CN112641192B - Stable automatic umbrella opening mechanism and automatic telescopic umbrella - Google Patents
Stable automatic umbrella opening mechanism and automatic telescopic umbrella Download PDFInfo
- Publication number
- CN112641192B CN112641192B CN202011517365.3A CN202011517365A CN112641192B CN 112641192 B CN112641192 B CN 112641192B CN 202011517365 A CN202011517365 A CN 202011517365A CN 112641192 B CN112641192 B CN 112641192B
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- umbrella
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- opening mechanism
- steel bar
- stable automatic
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 58
- 239000010959 steel Substances 0.000 claims abstract description 58
- 239000000178 monomer Substances 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 16
- 238000009434 installation Methods 0.000 description 8
- 230000008093 supporting effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B25/00—Details of umbrellas
- A45B25/16—Automatic openers, e.g. frames with spring mechanisms
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B19/00—Special folding or telescoping of umbrellas
- A45B19/04—Special folding or telescoping of umbrellas with telescopic sticks
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B25/00—Details of umbrellas
- A45B25/02—Umbrella frames
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B25/00—Details of umbrellas
- A45B25/14—Devices for opening and for closing umbrellas
- A45B25/143—Devices for opening and for closing umbrellas automatic
Landscapes
- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
The invention discloses a stable automatic umbrella opening mechanism, which comprises an umbrella handle and an opening and closing device, wherein the opening and closing device comprises a flexible steel bar, a telescopic connecting piece and a steel bar driving device, the steel bar driving device is arranged at the lower end of the umbrella handle, the flexible steel bar and the telescopic connecting piece are arranged in the umbrella handle, the telescopic connecting piece is provided with a fixing hole for the flexible steel bar to pass through, the telescopic connecting piece comprises a connecting monomer and a spring, the steel bar driving device comprises a motor and a driving wheel, the motor is connected with the driving wheel, spiral driving teeth are arranged on the outer circumferential surface of the driving wheel, and inclined strip-shaped holes matched with the spiral driving teeth are arranged on the side surface of the flexible steel bar. Compared with the prior art, the mechanism has larger transmission force, firm and compact structure and can enable the umbrella handle to be opened and closed more stably. The invention also discloses an automatic telescopic umbrella, which also comprises an umbrella rib and an umbrella cover, wherein the umbrella rib is connected with the upper nest and the lower nest, and the umbrella cover is connected with the umbrella rib. Compared with the prior art, the automatic and stable opening and closing device has the advantages of high structural strength and convenient opening and closing operation.
Description
Technical Field
The invention relates to the technical field of umbrellas, in particular to a stable automatic umbrella opening mechanism and an automatic telescopic umbrella.
Background
Umbrella is a tool for shading sun or rain and snow. When the umbrella is opened and closed, two hands are needed to operate, and the umbrella is very inconvenient to use. Therefore, an umbrella capable of automatically opening and closing is developed, the existing automatic telescopic umbrella mainly drives an umbrella handle to automatically stretch and retract through a screw rod structure or a flexible rack, however, the umbrella opened and closed through the screw rod structure is easy to lock with the screw rod by a nut, and the lifting of the umbrella handle is quite unstable. The umbrella which is opened and closed through the flexible rack is soft, the flexible rack is easy to bend when the flexible rack is stretched, so that the flexible rack is easy to damage due to the fact that the flexible rack is instantly lost in supporting force, and the transmission part of the flexible rack and the gear is in incomplete meshing transmission connection only through one or two meshing teeth, so that the structure of the transmission part is not firm enough, the transmission force is small, and the umbrella cannot be opened automatically.
In view of the above, the present inventors have made intensive studies to solve the above problems, and have made the present application.
Disclosure of Invention
One purpose of the invention is to provide a stable automatic umbrella opening mechanism which has larger transmission force, firm and compact structure and can enable the umbrella handle to be opened and closed more stably.
The invention aims at providing an automatic telescopic umbrella which can be automatically and stably opened and closed, and has high structural strength and convenient opening and closing operation.
In order to achieve the above object, the solution of the present invention is:
The utility model provides a stable automatic umbrella mechanism that opens and shuts, includes telescopic umbrella stick and the flexible device that opens and shuts of drive umbrella stick, wherein, the device that opens and shuts includes flexible billet, telescopic link and billet drive arrangement, billet drive arrangement establishes the lower extreme at the umbrella stick, the one end and the upper end of umbrella stick of flexible billet are connected and the other end is connected with billet drive arrangement, telescopic link's upper end is connected and the lower extreme is connected with the lower extreme of umbrella stick with the upper end of umbrella stick, telescopic link is equipped with the fixed orifices that supplies flexible billet to pass, telescopic link includes the connection monomer, through spring coupling between the adjacent connection monomer, billet drive arrangement includes motor and drive wheel, the power take off end and the drive wheel of motor are connected, the outer periphery of drive wheel is equipped with spiral drive tooth, flexible billet's side is equipped with the slope hole with spiral drive tooth complex.
Further, the inclination angle of the inclined strip-shaped hole is the same as that of the spiral driving teeth.
Further, the inclined strip-shaped holes are uniformly distributed along the extending direction of the flexible steel strip.
Further, the cross section of the flexible steel bar is an arc surface with the middle part outwards arched.
Further, the opening and closing device comprises an installation handle arranged at the lower end of the umbrella handle, the installation handle is provided with an installation cavity, the motor is arranged on the installation handle, the driving wheel is arranged in the installation cavity, and an installation groove for the flexible steel bar to pass through is formed in the upper surface of the installation cavity.
Further, the opening and closing device further comprises a scroll spring, a mounting plate is further arranged at the lower end of the mounting handle, a recovery shell is arranged on the mounting plate, and the scroll spring is arranged in the recovery shell.
Furthermore, the upper end of the mounting handle is also provided with an umbrella handle connecting groove for inserting an umbrella handle.
Further, the upper end of the connecting unit is provided with a connecting groove connected with the spring, and the lower end of the connecting unit is provided with a connecting protrusion connected with the spring.
Further, the lower end of the connecting protrusion is provided with a connecting rod, the spring is sleeved on the connecting rod, and the bottom of the connecting groove is provided with a connecting rod abdicating hole for the connecting rod to extend in.
Further, a fixing boss protruding towards the outer circumferential surface is arranged on the connecting rod, and a fixing sleeve sleeved on the fixing boss is arranged at the upper end of the spring.
Further, the lower end of the connecting rod is provided with a guiding tip, and the side wall of the guiding tip gradually inclines from top to bottom to the center of the guiding tip.
Further, a connecting sheet is arranged at the lower end of the spring and is connected with the bottom of the connecting groove.
Further, the connecting piece is locked with the bottom of the connecting groove through a screw.
Further, the diameter of the spring gradually becomes smaller from top to bottom.
Further, the side wall of the connecting protrusion gradually inclines to the center of the connecting protrusion from top to bottom, and the inner side wall of the connecting groove gradually inclines to the center of the connecting groove from top to bottom.
Further, the umbrella handle comprises a lower section part, a middle section part sleeved on the lower section part and an upper section part sleeved on the middle section part, and the installation handle is arranged at the lower end of the lower section part.
Further, the opening and closing device further comprises an upper nest, a lower nest, a pull rope, a fixed pulley and a reset spring, wherein the upper nest is arranged at the upper end of the upper section, the lower nest is sleeved on the upper section, the fixed pulley is rotationally connected with the upper end of the upper section, the pull rope is wound on the fixed pulley, one end of the pull rope is connected with the upper end of the middle section and the other end of the pull rope is connected with the lower nest, the reset spring is sleeved on the upper section, and the upper end and the lower end of the reset spring are respectively propped against the upper nest and the lower nest.
Further, one end of the pull rope is provided with a clamping head, the upper end of the inner side wall of the middle section part is provided with an inward protruding clamping ring, and the clamping head is clamped in the clamping ring; the lower nest is provided with a fixed mounting hole, and the other end of the pull rope is embedded in the fixed mounting hole.
Further, the upper nest comprises a fixed block fixed at the upper end of the upper section, the fixed block is provided with a containing groove for containing the fixed pulley, a first rotating shaft is arranged on the side wall of the containing groove, and the fixed pulley is sleeved on the first rotating shaft.
Further, the lower extreme of fixed block is equipped with the fixed slot that supplies flexible billet male, the fixed chamber with fixed slot intercommunication has been seted up to the lateral surface of fixed block, be equipped with on the cell wall of fixed slot to the bellied fixed arch of fixed intracavity, the upper end of flexible billet is equipped with and fixes protruding corresponding complex fixed through-hole.
After the structure is adopted, when the umbrella is opened, the motor drives the driving wheel to rotate positively, and the spiral driving teeth on the outer circumferential surface of the driving wheel are matched with the inclined strip-shaped holes, so that the flexible steel bars are driven to move upwards, the flexible steel bars are upwards propped against the umbrella handle to extend, and the telescopic connecting pieces are driven to extend upwards together when the umbrella handle extends. When the umbrella is closed, the motor drives the reverse rotation, so that the spiral driving teeth are matched with the inclined strip-shaped holes, the flexible steel bars are driven to move downwards, the umbrella handle is retracted under the pulling of the flexible steel bars, and the telescopic connecting piece is driven to retract together when the umbrella handle is retracted.
Compared with the prior art, the invention has compact structure, and the driving wheel is provided with the spiral driving teeth which surround along the axial direction of the driving wheel in a plurality of circles, so that when the driving wheel drives the flexible steel bar, the driving wheel always has a plurality of spiral driving teeth to be in complete meshed transmission with the inclined strip-shaped holes, and the driving wheel is enabled to be more stable in transmission and better in transmission effect. In addition, the inside of umbrella stick is equipped with flexible connecting piece, and flexible connecting piece carries out even fastening to the flexible billet and stretches out and draws back together along with the flexible billet. Therefore, the flexible steel bar is not easy to bend when being stretched against the umbrella handle, the propping force of the flexible steel bar is enhanced, and the umbrella handle is stretched more stably and smoothly. Meanwhile, the telescopic connecting piece has a certain supporting effect on the umbrella handle, so that the overall structural strength of the umbrella handle can be enhanced, and the service life of the umbrella handle is prolonged.
An automatic telescopic umbrella based on the stable automatic umbrella opening mechanism of the above claims, further comprising umbrella ribs and umbrella cover, wherein the umbrella ribs are connected with the upper nest and the lower nest, and the umbrella cover is connected with the umbrella ribs.
After adopting above-mentioned structure, compare with prior art, automatic flexible umbrella can be automatic steadily open and shut, and structural strength is high, and it is more convenient to open and shut the operation.
Drawings
FIG. 1 is a perspective view of the structure of the umbrella of the present invention when the mechanism is folded.
FIG. 2 is a perspective view showing the structure of the umbrella opening mechanism according to the present invention when extended.
FIG. 3 is a schematic cross-sectional view of the mechanism of the present invention when the mechanism is retracted.
FIG. 4 is a schematic cross-sectional view of the mechanism of the invention when extended.
Fig. 5 is a partial enlarged view of the area a in fig. 4.
Fig. 6 is a partial enlarged view of the area B in fig. 4.
Fig. 7 is a schematic view of a partial structure of a flexible steel rod.
Detailed Description
In order to further explain the technical scheme of the invention, the invention is explained in detail by specific examples.
As shown in fig. 1-4, a stable automatic umbrella opening mechanism comprises a telescopic umbrella handle 1 and an opening and closing device for driving the telescopic umbrella handle 1, wherein the opening and closing device comprises a flexible steel bar 2, a telescopic connecting piece 3 and a steel bar driving device 4, the steel bar driving device 4 is arranged at the lower end of the umbrella handle 1, one end of the flexible steel bar 2 is connected with the upper end of the umbrella handle 1, the other end of the flexible steel bar 2 is connected with the steel bar driving device 4, the upper end of the telescopic connecting piece 3 is connected with the upper end of the umbrella handle 1, the lower end of the telescopic connecting piece 3 is connected with the lower end of the umbrella handle 1, the telescopic connecting piece 3 is provided with a fixing hole 313 for the flexible steel bar 2 to pass through, the telescopic connecting piece 3 comprises connecting monomers 31, the adjacent connecting monomers 31 are connected through springs 32, the steel bar driving device 4 comprises a motor 41 and a driving wheel 42, the power output end of the motor 41 is connected with the driving wheel 42, the outer circumferential surface of the driving wheel 42 is provided with spiral driving teeth, and the side 421 of the flexible steel bar 2 is provided with inclined strip-shaped holes 21 matched with the spiral driving teeth 421.
After the structure is adopted, when the umbrella is opened, the motor 41 drives the driving wheel 42 to rotate positively, and the spiral driving teeth 421 on the outer circumferential surface of the driving wheel 42 are matched with the inclined strip-shaped holes 21, so that the flexible steel bars 2 are driven to move upwards, the flexible steel bars 2 are upwards abutted against the umbrella handle 1 to stretch, and the telescopic connecting pieces 3 are driven to extend upwards together when the umbrella handle 1 stretches. When closing the umbrella, the motor 41 drives the reverse rotation, so that the spiral driving teeth 421 are matched with the inclined strip-shaped holes 21, thereby driving the flexible steel bars 2 to move downwards, the umbrella handle 1 is retracted under the pulling of the flexible steel bars 2, and the telescopic connecting pieces 3 are driven to retract together when the umbrella handle 1 is retracted.
Compared with the prior art, the invention has compact structure, and the driving wheel 42 is provided with the spiral driving teeth 421 which surround along the axial direction of the driving wheel 42 in a plurality of circles, so that when the driving wheel 42 drives the flexible steel bar 2, the plurality of spiral driving teeth 421 and the inclined bar-shaped holes 21 are always in complete meshed transmission, and the driving wheel 42 is enabled to be more stable in transmission and better in transmission effect. In addition, the inside of umbrella stick 1 is equipped with flexible connecting piece 3, and flexible connecting piece 3 carries out even fastening to flexible billet 2 and stretches out and draws back along with flexible billet 2 together. Therefore, the flexible steel bar 2 is not easy to bend when the umbrella handle 1 is stretched, the propping force of the flexible steel bar 2 is enhanced, and the umbrella handle 1 is stretched more stably and smoothly. Meanwhile, the telescopic connecting piece 3 has a certain supporting effect on the umbrella handle 1, so that the overall structural strength of the umbrella handle 1 can be enhanced, and the service life of the umbrella handle 1 is prolonged.
Preferably, the inclination angle of the inclined strip-shaped hole 21 is the same as the inclination angle of the screw driving teeth 421. By adopting the structure, the spiral driving teeth 421 can be matched with the inclined strip-shaped holes 21 more accurately, and the transmission precision of the transmission wheel 42 is improved.
Preferably, the inclined strip-shaped holes 21 are uniformly distributed along the extending direction of the flexible steel strip 2. With the above structure, the inclined strip-shaped hole 21 can be matched with each circle of spiral driving teeth 421, and the transmission precision of the transmission wheel 42 is further improved.
Preferably, the cross section of the flexible steel bar 2 is an arc surface with the middle part outwards arched. By adopting the structure, the flexible steel bar 2 has a better supporting structure when stretching, and the flexible steel bar 2 can be further prevented from bending. And the part of the middle part of the flexible steel bar 2 outwards arched can be close to the spiral driving teeth 421, and the inclined strip-shaped hole 21 is matched with the spiral driving teeth 421 more tightly.
Preferably, the opening and closing device comprises a mounting handle 14 arranged at the lower end of the umbrella handle 1, the mounting handle 14 is provided with a mounting cavity 141, the motor 41 is arranged on the mounting handle 14, the driving wheel 42 is arranged in the mounting cavity 141, and the upper surface of the mounting cavity 141 is provided with a mounting groove 142 for the flexible steel bar 2 to pass through.
Preferably, the opening and closing device further comprises a scroll spring 5, a mounting plate 143 is further arranged at the lower end of the mounting handle 14, a recovery shell 144 is arranged on the mounting plate 143, and the scroll spring 5 is arranged in the recovery shell 144. By adopting the structure, when closing the umbrella, the spiral spring 5 pulls the flexible steel bar 2 to retract into the recovery shell 144, so that the flexible steel bar 2 is more convenient to recover, and the function of protecting the flexible steel bar 2 is achieved.
Preferably, the upper end of the mounting handle 14 is further provided with a handle connecting groove 312145 into which the handle 1 is inserted. With the structure, the umbrella handle 1 is more firmly connected with the mounting handle 14.
Preferably, the upper end of the connection unit 31 is provided with a connection groove 312 connected with the spring 32, the lower end of the connection unit 31 is provided with a connection protrusion 311 connected with the spring 32, a fixing hole 313 is formed in the connection unit 31, the connection protrusion 311 is slidably connected in the connection groove 312, so that the connection unit 31 slides more stably, the telescopic connecting piece 3 is higher in structural strength, the connection unit 31 is provided with a fixing hole 313 for the flexible steel bar 2 to pass through and be slidably connected, and after the structure is adopted, each small distance on the flexible steel bar 2 can be fixed through the fixing hole 313, so that the flexible steel bar 2 is effectively prevented from bending. In addition, when the umbrella handle 1 stretches, the connecting monomer 31 in the telescopic connecting piece 3 is relatively far away from the spring 32 and is pulled to be in a tight state, so that the telescopic connecting piece 3 has certain rigidity, and therefore the umbrella handle 1 has certain supporting effect, the overall structural strength of the umbrella handle 1 can be enhanced, and the service life of the umbrella handle 1 is prolonged. When the umbrella handle 1 is retracted, the connecting monomers 31 are mutually close under the elastic force of the springs 32, so that the telescopic connecting piece 3 is convenient to shorten and restore.
Preferably, the lower end of the connecting protrusion 311 is provided with a connecting rod 314, the spring 32 is sleeved on the connecting rod 314, the bottom of the connecting groove 312 is provided with a connecting rod abdicating hole 316 for the connecting rod 314 to extend into, and when the telescopic connecting piece 3 is shortened, the connecting rod 314 is inserted into the connecting rod abdicating hole 316. After the structure is adopted, the spring 32 is prevented from bending and deforming in the connecting groove 312, the structural strength of the spring 32 is enhanced, and the spring 32 is connected with the connecting unit 31 more firmly.
Preferably, the connecting rod 314 is provided with a fixing boss 315 protruding towards the outer circumferential surface, the upper end of the spring 32 is provided with a fixing sleeve 321 sleeved on the fixing boss, and after the structure is adopted, the upper end of the spring 32 is connected with the connecting rod 314 more firmly, and the structural strength of the telescopic connecting piece 3 is further improved.
Preferably, the lower end of the connecting rod 314 is provided with a guiding tip, the side wall of the guiding tip is gradually inclined towards the center of the guiding tip from top to bottom, and after the structure is adopted, when the telescopic connecting piece 3 is retracted, the connecting rod 314 can be more easily inserted into the middle of the spring 32, so that the telescopic connecting piece 3 is convenient to retract.
Preferably, the lower end of the spring 32 is provided with a connecting piece 322, and the connecting piece 322 is connected with the bottom of the connecting groove 312. More specifically, the connecting piece 322 is locked with the bottom of the connecting groove 312 by a screw. After adopting above-mentioned structure, make the lower extreme of spring 32 more firm with connecting rod 314 connection, further promote the structural strength of telescopic connection spare 3. And the disassembly and assembly are more convenient.
Preferably, the diameter of the spring 32 tapers from top to bottom. With the above structure, the spring 32 is a conical coil spring 32, which has a larger lateral stability, and can avoid bending of the spring 32, and the connecting rod 314 can be inserted into the middle of the spring 32 more easily when the telescopic connecting piece 3 is retracted.
Preferably, the side walls of the coupling protrusion 311 are gradually inclined from top to bottom toward the center of the coupling protrusion 311, and the inner side walls of the coupling groove 312 are gradually inclined from top to bottom toward the center of the coupling groove 312. After adopting above-mentioned structure, connecting protrusion 311 and spread groove 312 are conical structure, and telescopic connector 3 when extension or retracting, the connecting protrusion 311 of the connection monomer 31 that is in the upper end can insert in the spread groove 312 of the connection monomer 31 that is in the lower extreme more easily to the adjacent connection monomer 31 is fixed a position about, avoids connection monomer 31 to take place the skew when being close to the cooperation.
Preferably, the umbrella handle 1 comprises a lower section 11, a middle section 12 sleeved on the lower section 11, and an upper section 13 sleeved on the middle section 12, and the mounting handle 14 is arranged at the lower end of the lower section 11.
Preferably, the opening and closing device further comprises an upper nest 61, a lower nest 62, a pull rope 63, a fixed pulley 64 and a reset spring (not shown), wherein the upper nest 61 is arranged at the upper end of the upper section 13, the lower nest 62 is sleeved on the upper section 13, the fixed pulley 64 is rotationally connected with the upper end of the upper section 13, the pull rope 63 is wound on the fixed pulley 64, one end of the pull rope 63 is connected with the upper end of the middle section 12, the other end of the pull rope is connected with the lower nest 62, the reset spring is sleeved on the upper section 13, and the upper end and the lower end of the reset spring respectively abut against the upper nest 61 and the lower nest 62. After the structure is adopted, when the umbrella is opened, the steel bar driving device 4 drives the flexible steel bar 2 to prop against the upper section 13 to move upwards, so that the upper end of the upper section 13 is far away from the upper end of the middle section 12, and the pull rope 63 surrounds the fixed pulley 64 to pull the lower nest 62 to be close to the upper nest 61, thereby realizing the umbrella opening; when the umbrella is closed, the steel bar driving device 4 drives the flexible steel bar 2 to drive the upper section 13 to move downwards, so that the upper end of the upper section 13 is close to the upper end of the middle section 12, and the upper nest 61 abuts against the lower nest 62 to be far away from the upper nest 61 under the action of the elasticity of the reset spring, thereby closing the umbrella.
Preferably, one end of the pull rope 63 is provided with a clamping head 631, the upper end of the inner side wall of the middle section 12 is provided with a clamping ring 121 protruding inwards, and the clamping head 631 is clamped in the clamping ring 121; the lower nest 62 is provided with a fixed mounting hole 621, and the other end of the pull rope 63 is embedded in the fixed mounting hole 621, and then can be bonded by adopting an adhesive to prevent the pull rope 63 from falling off. By adopting the structure, the pull rope 63 is more convenient to install and is more firm in connection.
Preferably, the upper nest 61 includes a fixing block 611 fixed at the upper end of the upper section 13, the upper nest 61 is provided with a sleeve portion with a fixing sleeve 321 arranged outside the upper section 13, the fixing block 611 is arranged in the sleeve portion, and a connecting protrusion embedded in a positioning groove is also arranged on the lower end surface of the fixing block 611, so that the fixing block 611 is more firmly connected with the telescopic connecting piece 3. The fixed block 611 is provided with a containing groove 612 for containing the fixed pulley 64, the containing groove 612 forms an opening for the pull rope 63 to extend in and out on the lower surface and the outer side surface of the fixed block 611, a first rotating shaft is arranged on the side wall of the containing groove 612, and the fixed pulley 64 is sleeved on the first rotating shaft.
Preferably, the lower end of the fixing block 611 is provided with a fixing groove 613 for inserting the flexible steel bar 2, the outer side surface of the fixing block 611 is provided with a fixing cavity 614 communicated with the fixing groove 613, the groove wall of the fixing groove 613 is provided with a fixing protrusion 615 protruding into the fixing cavity 614, and the upper end of the flexible steel bar 2 is provided with a fixing through hole correspondingly matched with the fixing protrusion 615. With the above structure, the connection between the flexible steel bar 2 and the fixing block 611 is more firm.
An automatic telescopic umbrella based on the stable automatic opening mechanism of the above claim, further comprising an umbrella rib and an umbrella cover, wherein the umbrella rib is connected with the upper nest 61 and the lower nest 62, and the umbrella cover is connected with the umbrella rib.
After adopting above-mentioned structure, compare with prior art, automatic flexible umbrella can automatic steady open and shut, structural strength is high, and the operation of opening and shutting is more convenient.
The above examples and drawings are not intended to limit the form or form of the present invention, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present invention.
Claims (18)
1. The utility model provides a stable automatic umbrella mechanism that opens and shuts, includes telescopic umbrella stick and the flexible device that opens and shuts of drive umbrella stick, its characterized in that, the device that opens and shuts includes flexible billet, telescopic connection spare and billet drive arrangement, billet drive arrangement establishes the lower extreme at the umbrella stick, the one end and the upper end of umbrella stick of flexible billet are connected and the other end is connected with billet drive arrangement, telescopic connection spare's upper end is connected and the lower extreme is connected with the lower extreme of umbrella stick with the upper end of umbrella stick, telescopic connection spare is equipped with the fixed orifices that supplies flexible billet to pass, telescopic connection spare includes the connection monomer, connects through the spring coupling between the adjacent connection monomer, billet drive arrangement includes motor and drive wheel, the power take off end and the drive wheel of motor are connected, the outer periphery of drive wheel is equipped with helical drive tooth, flexible side be equipped with helical drive tooth complex inclined hole, the upper end of connection monomer is equipped with the spread groove with spring coupling, the lower extreme of connection monomer is equipped with the connection boss with spring coupling, the lower extreme of connection boss is equipped with the connecting rod, the boss is equipped with the boss that supplies the boss to be equipped with on the outer periphery of connecting rod to the boss.
2. A stable automatic umbrella opening mechanism according to claim 1, wherein the inclined bar-shaped hole has the same inclination angle as the screw drive teeth.
3. A stable automatic umbrella opening mechanism according to claim 2, wherein said inclined strip-shaped holes are uniformly distributed along the extending direction of the flexible steel strip.
4. A stable automatic umbrella opening mechanism according to claim 1, wherein the cross section of the flexible steel bar is in an arc shape with the middle part outwards arched.
5. A stable automatic umbrella opening mechanism according to claim 1, wherein the opening and closing device comprises a mounting handle arranged at the lower end of the umbrella handle, the mounting handle is provided with a mounting cavity, the motor is arranged on the mounting handle, the driving wheel is arranged in the mounting cavity, and the upper surface of the mounting cavity is provided with a mounting groove for a flexible steel bar to pass through.
6. The stable automatic umbrella opening mechanism according to claim 5, wherein the opening and closing device further comprises a spiral spring, the lower end of the mounting handle is further provided with a mounting plate, the mounting plate is provided with a recovery shell, and the spiral spring is arranged in the recovery shell.
7. The stable automatic umbrella opening mechanism according to claim 6, wherein the upper end of the mounting handle is further provided with an umbrella handle connecting groove for inserting an umbrella handle.
8. A stable automatic umbrella mechanism according to claim 1, wherein the lower end of the connecting rod has a guiding tip, and the side wall of the guiding tip is gradually inclined from top to bottom toward the center of the guiding tip.
9. A stable automatic umbrella opening mechanism according to claim 1, wherein the lower end of the spring is provided with a connecting sheet, and the connecting sheet is connected with the bottom of the connecting groove.
10. A stable automatic umbrella opening mechanism according to claim 9, wherein the connecting piece is locked with the bottom of the connecting groove by a screw.
11. A stable automatic umbrella opening mechanism according to claim 1, wherein the diameter of the spring is gradually reduced from top to bottom.
12. A stable automatic umbrella opening mechanism according to claim 1, wherein the side walls of the connecting protrusions are gradually inclined from top to bottom toward the center of the connecting protrusions, and the inner side walls of the connecting grooves are gradually inclined from top to bottom toward the center of the connecting grooves.
13. The stable automatic umbrella opening mechanism according to claim 5, wherein the umbrella handle comprises a lower section, a middle section sleeved on the lower section, and an upper section sleeved on the middle section, and the mounting handle is arranged at the lower end of the lower section.
14. The mechanism of claim 13, wherein the opening and closing device further comprises an upper nest, a lower nest, a pull rope, a fixed pulley and a return spring, wherein the upper nest is arranged at the upper end of the upper section, the lower nest is sleeved on the upper section, the fixed pulley is rotatably connected with the upper end of the upper section, the pull rope is wound on the fixed pulley, one end of the pull rope is connected with the upper end of the middle section and the other end of the pull rope is connected with the lower nest, the return spring is sleeved on the upper section, and the upper end and the lower end of the return spring respectively abut against the upper nest and the lower nest.
15. The stable automatic umbrella opening mechanism according to claim 14, wherein one end of the pull rope is provided with a clamping head, the upper end of the inner side wall of the middle section part is provided with an inward protruding clamping ring, and the clamping head is clamped in the clamping ring; the lower nest is provided with a fixed mounting hole, and the other end of the pull rope is embedded in the fixed mounting hole.
16. The stable automatic umbrella opening mechanism according to claim 15, wherein the upper nest comprises a fixed block fixed at the upper end of the upper section, the fixed block is provided with a containing groove for containing a fixed pulley, a first rotating shaft is arranged on the side wall of the containing groove, and the fixed pulley is sleeved on the first rotating shaft.
17. The stable automatic umbrella opening mechanism according to claim 16, wherein the lower end of the fixing block is provided with a fixing groove for inserting the flexible steel bar, the outer side surface of the fixing block is provided with a fixing cavity communicated with the fixing groove, the groove wall of the fixing groove is provided with a fixing protrusion protruding into the fixing cavity, and the upper end of the flexible steel bar is provided with a fixing through hole correspondingly matched with the fixing protrusion.
18. An automatic telescopic umbrella based on a stable automatic umbrella opening mechanism according to any one of claims 1-17, further comprising ribs and an umbrella cover, wherein the ribs are connected with the upper nest and the lower nest, and the umbrella cover is connected with the ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011517365.3A CN112641192B (en) | 2020-12-21 | 2020-12-21 | Stable automatic umbrella opening mechanism and automatic telescopic umbrella |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011517365.3A CN112641192B (en) | 2020-12-21 | 2020-12-21 | Stable automatic umbrella opening mechanism and automatic telescopic umbrella |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112641192A CN112641192A (en) | 2021-04-13 |
| CN112641192B true CN112641192B (en) | 2024-05-17 |
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| CN202011517365.3A Active CN112641192B (en) | 2020-12-21 | 2020-12-21 | Stable automatic umbrella opening mechanism and automatic telescopic umbrella |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067950A (en) * | 1991-05-17 | 1993-01-13 | 日本空中机器人株式会社 | Flexible pillar type movable machinery |
| CN205233691U (en) * | 2015-12-08 | 2016-05-18 | 谢溢河 | Automatic open and receive umbrella drive structure |
| CN112006396A (en) * | 2020-07-30 | 2020-12-01 | 海峡(晋江)伞业科技创新中心有限公司 | Automatic opening and closing umbrella |
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2020
- 2020-12-21 CN CN202011517365.3A patent/CN112641192B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067950A (en) * | 1991-05-17 | 1993-01-13 | 日本空中机器人株式会社 | Flexible pillar type movable machinery |
| CN205233691U (en) * | 2015-12-08 | 2016-05-18 | 谢溢河 | Automatic open and receive umbrella drive structure |
| CN112006396A (en) * | 2020-07-30 | 2020-12-01 | 海峡(晋江)伞业科技创新中心有限公司 | Automatic opening and closing umbrella |
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| CN112641192A (en) | 2021-04-13 |
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Address after: No. 130, Jinou Industrial Zone, Dongshi Town, Jinjiang City, Quanzhou City, Fujian Province 362271 Patentee after: Strait (Jinjiang) Technology Innovation Center Co.,Ltd. Country or region after: China Address before: No.130, Jinou Industrial Zone, Dongshi Town, Jinjiang City, Quanzhou City, Fujian Province, 362200 Patentee before: Straits (Jinjiang) Umbrella Science and Technology Innovation Center Co.,Ltd. Country or region before: China |