阅读说明：本技术 一种结构稳固的自动开伞机构及自动开合伞 (Automatic umbrella opening and closing mechanism with stable structure and automatic umbrella opening and closing function ) 是由 丁海波 许进鹏 王美珍 于 2020-12-21 设计创作，主要内容包括：本发明公开一种结构稳固的自动开伞机构,包括伞柄以及开合装置,其中,开合装置包括柔性钢条,伸缩连接件以及设在伞柄下端的钢条驱动装置,柔性钢条上端与伞柄上端连接且下端与钢条驱动装置连接,伸缩连接件上端与伞柄上端连接且下端与伞柄的下端连接,伸缩连接件包括连接单体和弹簧,连接单体的上端设有的连接槽,连接单体的下端设有连接凸起,连接单体设有供柔性钢条穿过的固定孔。与现有技术相比,本发明伸缩机构结构牢固紧凑,能够实现伞柄平稳伸缩。本发明还公开一种自动开合伞,还包括伞骨和伞面,所述伞骨与上巢和下巢连接,所述伞面连接在伞骨上。与现有技术相比,所述自动开合伞能够自动平稳开合,结构强度高,开合操作方便。(The invention discloses an automatic umbrella opening mechanism with a stable structure, 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 arranged at the lower end of the umbrella handle, the upper end of the flexible steel bar is connected with the upper end of the umbrella handle, the lower end of the flexible steel bar is connected with the steel bar driving device, the upper end of the telescopic connecting piece is connected with the upper end of the umbrella handle, the lower end of the telescopic connecting piece is connected with the lower end of the umbrella handle, the telescopic connecting piece comprises a connecting monomer and a spring, the upper end of the connecting monomer is provided with a connecting groove, the lower end of. Compared with the prior art, the telescopic mechanism has firm and compact structure and can realize stable telescopic of the umbrella handle. The invention also discloses an automatic opening and closing umbrella, which further comprises umbrella ribs and an umbrella cover, wherein the umbrella ribs are connected with the upper nest and the lower nest, and the umbrella cover is connected to the umbrella ribs. Compared with the prior art, the automatic opening and closing umbrella can be automatically and stably opened and closed, has high structural strength and is convenient to open and close.)

1. The utility model provides a firm automatic mechanism of opening umbrella of structure, includes the flexible device that opens and shuts of telescopic umbrella stick and drive umbrella stick, a serial communication port, 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 of flexible billet is connected and the other end is connected with billet drive arrangement with the upper end of umbrella stick, telescopic connection spare's upper end is connected and the lower extreme of lower extreme and umbrella stick with the upper end of umbrella stick is connected, telescopic connection spare is including connecting monomer and spring, it is equipped with the spread groove with spring coupling to connect free upper end, it is protruding to connect free lower extreme to be equipped with the connection with spring coupling, it is equipped with the fixed orifices that supplies flexible billet to pass to connect the monomer.

2. The automatic umbrella opening mechanism of claim 1, wherein 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 receding hole for the connecting rod to extend into.

3. A stable automatic umbrella opening mechanism as claimed in claim 2, wherein said connecting rod is provided with a fixing boss protruding outward from the circumferential surface thereof, and the upper end of said spring is provided with a fixing sleeve fitted over said fixing boss.

4. A stable automatic umbrella opening mechanism as claimed in claim 3, wherein the lower end of said connecting rod has a leading tip, the side wall of said leading tip is gradually inclined from top to bottom toward the center of said leading tip.

5. A stable structure automatic umbrella opening mechanism as claimed in claim 1, wherein the lower end of said spring is provided with a connecting piece, said connecting piece is connected with the bottom of the connecting groove.

6. A robust automatic umbrella opening mechanism as claimed in claim 5, wherein the coupling tab and slot base of the coupling slot are secured by screws.

7. A robust automatic umbrella opening mechanism as recited in claim 1, wherein said spring has a diameter that tapers from top to bottom.

8. The automatic umbrella opening mechanism of claim 1, wherein the side wall of the coupling protrusion is gradually inclined toward the center of the coupling protrusion from top to bottom, and the inner side wall of the coupling groove is gradually inclined toward the center of the coupling groove from top to bottom.

9. A stable automatic umbrella opening mechanism as claimed in claim 1, wherein said flexible steel rod has an arc-shaped cross section with a middle portion arched to the outside.

10. The automatic umbrella opening mechanism of claim 1, 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, the lower end of the lower section is provided with a mounting handle, and the steel bar driving device is arranged on the mounting handle.

Technical Field

The invention relates to the field of umbrellas, in particular to an automatic umbrella opening and closing mechanism with a stable structure and an automatic umbrella.

Background

The umbrella is a tool for shading sun or rain and snow. The umbrella needs to be operated by both hands when being opened and closed, and is very inconvenient to use. Therefore, people develop an umbrella capable of automatically opening and closing, the existing automatic opening and closing umbrella mainly drives an umbrella handle to automatically extend and retract through a screw rod structure or a flexible rack, and a nut is easily clamped with a screw rod through the umbrella opened and closed through the screw rod structure, so that the lifting of the umbrella handle is very unstable. The umbrella opened and closed by the flexible rack is easy to bend when the umbrella handle is extended due to the fact that the flexible rack is relatively soft, and the flexible rack loses supporting force instantly, so that the rack is easy to damage, and the umbrella cannot be opened automatically.

In view of the above, the applicant has made an intensive study to solve the above problems and has made the present invention.

Disclosure of Invention

The invention aims to provide an automatic umbrella opening mechanism with a stable and firm structure, which is firm and compact in structure and can realize stable extension of an umbrella handle.

The invention also aims to provide an automatic opening and closing umbrella which can be automatically and stably opened and closed, has high structural strength and is convenient to open and close.

In order to achieve the above purpose, the solution of the invention is:

the utility model provides a firm automatic mechanism of opening umbrella of structure, includes the flexible device that opens and shuts of telescopic umbrella stick and drive umbrella stick, wherein, the device that opens and shuts includes flexible billet, flexible connecting piece and billet drive arrangement, billet drive arrangement establishes the lower extreme at the umbrella stick, the one end of flexible billet is connected and the other end is connected with billet drive arrangement with the upper end of umbrella stick, flexible connecting piece's upper end is connected and the lower extreme of lower extreme and umbrella stick with the upper end of umbrella stick is connected, flexible connecting piece is including connecting monomer and spring, it is equipped with the spread groove with spring coupling to connect free upper end, it is protruding to connect free lower extreme to be equipped with the connection with spring coupling, it is equipped with the fixed orifices that supplies flexible billet to pass to connect the monomer.

Further, the lower extreme of connecting the arch is equipped with the connecting rod, the spring housing is established on the connecting rod, the tank bottom of spread groove is equipped with the connecting rod hole of stepping down that supplies the connecting rod to stretch into.

Furthermore, the connecting rod is provided with a fixing boss with a convex outward circumferential surface, and the upper end of the spring is provided with a fixing sleeve sleeved on the fixing boss.

Further, the lower extreme of connecting rod has the direction pointed end, the most advanced lateral wall of direction from top to bottom inclines to the most advanced center of direction gradually.

Furthermore, the lower extreme of spring is equipped with the connection piece, the connection piece is connected with the tank bottom of spread groove.

Furthermore, the connecting piece and the groove bottom of the connecting groove are locked and fixed through a screw.

Further, the diameter of the spring is gradually reduced from top to bottom.

Further, connect bellied lateral wall from top to bottom to connect bellied center slope gradually, the inside wall of spread groove from top to bottom inclines to the center of spread groove gradually.

Furthermore, the cross section of the flexible steel bar is of an arc-shaped surface structure with the middle part arched outwards.

Further, the umbrella stick includes lower segment portion, and the cover is established the middle-section portion on lower segment portion to and the cover is established the upper segment portion on the middle-section portion, lower segment portion lower extreme is equipped with the installation handle, billet drive arrangement sets up on the installation handle.

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 part, the lower nest is sleeved on the upper section part, the fixed pulley is rotatably connected with the upper end of the upper section part, 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 part, the other end of the pull rope is connected with the lower nest, the reset spring is sleeved on the upper section part, and the upper end and the lower end of the reset spring are respectively abutted against the upper nest and the lower nest.

Furthermore, 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 a clamping ring which protrudes inwards, 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 into the fixed mounting hole.

Furthermore, the upper nest comprises a fixing block fixed at the upper end of the upper section part, the fixing 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 and supplies flexible billet male fixed slot, the fixed chamber with the fixed slot intercommunication is 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 corresponds complex fixed through hole with fixed arch.

Further, billet drive arrangement includes the motor, the worm, turbine and drive gear, be equipped with the installation cavity of intercommunication in the installation handle, logical groove and mounting hole are led to in the installation be equipped with the second pivot in the installation cavity, drive gear and turbine cover are established in the second pivot, the motor is established in the mounting hole, the power take off end and the worm of motor are connected, and the worm is connected with the turbine meshing, the logical inslot is worn to establish in the installation to flexible billet, is equipped with on drive gear's the outer periphery and drives the tooth, be equipped with on flexible billet's the side with drive tooth complex drive through-hole.

Further, the opening and closing device further comprises a volute spiral 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 volute spiral 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 the lower section part.

After adopting above-mentioned structure, when the umbrella stick extends, billet drive arrangement drive flexible billet support umbrella stick upper end upward movement, make the umbrella stick constantly upwards extend. When the umbrella handle is extended, the telescopic connecting piece is driven to extend upwards together. When the umbrella handle retracts, the steel bar driving device drives the flexible steel bars to drive the upper end of the umbrella handle to move downwards, so that the umbrella handle retracts downwards continuously, and when the umbrella handle retracts, the telescopic connecting piece is driven to move downwards together.

Compared with the prior art, the umbrella handle is compact in structure, the flexible steel bars are used for driving the umbrella handle to stretch, the telescopic connecting pieces are arranged inside the umbrella handle, and the telescopic connecting pieces are used for uniformly fastening the flexible steel bars and stretch together with the flexible steel bars. Therefore, the flexible steel bars are not easy to bend when being extended, and the propping force of the flexible steel bars is enhanced, so that the umbrella handle is more stable and smooth in extension. In addition, when the umbrella handle extends, the connecting monomer in the telescopic connecting piece is relatively far away from the spring to be pulled to a tight state, so that the telescopic connecting piece has certain rigidity, the umbrella handle is supported to a certain degree, the overall structural strength of the umbrella handle can be enhanced, and the service life of the umbrella handle is prolonged. When the umbrella handle retracts, the connecting monomers are close to each other under the elastic force action of the spring, so that the telescopic connecting piece is convenient to shorten and restore.

The automatic opening and closing umbrella adopting the umbrella handle telescopic mechanism further comprises umbrella ribs and an umbrella cover, wherein the umbrella ribs are connected with the upper nest and the lower nest, and the umbrella cover is connected onto the umbrella ribs.

After adopting above-mentioned structure, compared with prior art, automatic umbrella that opens and shuts can automatic steady opening and shutting, structural strength is high, and the operation of opening and shutting is convenient.

Drawings

FIG. 1 is a perspective view showing the configuration of the umbrella opening mechanism of the present invention when it is folded.

FIG. 2 is a perspective view of the configuration of the umbrella opening mechanism of the present invention when it is extended.

FIG. 3 is a schematic sectional view of the umbrella opening mechanism of the present invention when it is folded.

FIG. 4 is a schematic sectional view of the umbrella opening mechanism of the present invention when extended.

Fig. 5 is a partially enlarged view of the area a in fig. 4.

Fig. 6 is a partially enlarged view of the region B in fig. 4.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.

As shown in fig. 1-6, an automatic umbrella opening mechanism with stable structure comprises a telescopic umbrella handle 1 and an opening and closing device for driving the umbrella handle 1 to stretch, wherein the opening and closing device comprises a flexible steel bar 2, a telescopic connecting member 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, and the other end is connected with the steel bar driving device 4, the upper end of the telescopic connecting member 3 is connected with the upper end of the umbrella handle 1, and the lower end is connected with the lower end of the umbrella handle 1, the telescopic connecting member 3 comprises a plurality of connecting monomers 31 and springs 32 arranged up and down, adjacent connecting monomers 31 are connected through the springs 32, the upper end of the connecting monomer 31 is provided with a connecting groove 312 connected with the lower end of the spring 32, the lower end of the connecting monomer 31 is provided with, connect protruding 311 sliding connection in spread groove 312 for it is more steady to slide between connecting the monomer 31, and 3 structural strength of telescopic connection spare are higher, can play the effect of supporting umbrella stick 1, connect monomer 31 and be equipped with the fixed orifices 313 that supplies flexible billet 2 to pass and sliding connection, each minor distance can both be fixed through fixed orifices 313 on flexible billet 2, thereby effectively avoid flexible billet 2 to bend.

After adopting above-mentioned structure, when umbrella stick 1 extends, billet drive arrangement 4 drive flexible billet 2 support umbrella stick 1 upper end upward movement, make umbrella stick 1 constantly upwards extend. When the umbrella handle 1 is extended, the telescopic connecting piece 3 is driven to extend upwards together. When the umbrella handle 1 retracts, the steel bar driving device 4 drives the flexible steel bar 2 to drive the upper end of the umbrella handle 1 to move downwards, so that the umbrella handle 1 retracts downwards continuously, and the umbrella handle 1 retracts to drive the telescopic connecting piece 3 to move downwards together.

Compared with the prior art, the umbrella handle is compact in structure, the flexible steel bars 2 drive the umbrella handle 1 to stretch, the telescopic connecting pieces 3 are arranged inside the umbrella handle 1, and the telescopic connecting pieces 3 uniformly fasten the flexible steel bars 2 and stretch together with the flexible steel bars 2. Therefore, the flexible steel bar 2 is not easy to bend when being extended, and the propping force of the flexible steel bar 2 is enhanced, so that the umbrella handle 1 is more stably and smoothly extended. In addition, when the umbrella handle 1 extends, the connecting monomer 31 in the telescopic connecting piece 3 is relatively far away from the spring 32 to be pulled to a tight state, so that the telescopic connecting piece 3 has certain rigidity, the umbrella handle 1 has a 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 retracts, the connecting single bodies 31 approach each other under the elastic force of the spring 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 member 3 is shortened, the connecting rod 314 is inserted into the connecting rod abdicating hole 316. With the structure, 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 and the connecting single body 31 are connected more firmly.

Preferably, the connecting rod 314 is provided with a fixing boss 315 protruding outward from the circumferential surface, and the upper end of the spring 32 is provided with a fixing sleeve 321 sleeved on the fixing boss 315.

Preferably, the lower extreme of connecting rod 314 has the direction pointed end, and the lateral wall at the direction pointed end from top to bottom inclines to the center at the direction pointed end gradually, adopts above-mentioned structure after, makes telescopic connection spare 3 when retracting, and connecting rod 314 can be more easy inserts spring 32 middle part, makes things convenient for telescopic connection spare 3 to receive and close.

Preferably, the lower end of the spring 32 is provided with a connecting piece 322, and the connecting piece 322 is connected with the groove bottom of the connecting groove 312. More specifically, the connecting piece 322 and the groove bottom of the connecting groove 312 are locked by a screw. After adopting above-mentioned structure, make the lower extreme of spring 32 be connected more firmly with connecting rod 314, further promote the structural strength of telescopic connection 3. And the disassembly and assembly are more convenient.

Preferably, the diameter of the spring 32 is tapered from top to bottom. With the above structure, the spring 32 is a conical coil spring 32, which has greater lateral stability, and can prevent the spring 32 from bending, and when the telescopic connector 3 retracts, the connecting rod 314 can be inserted into the middle of the spring 32 more easily.

Preferably, the side wall of the coupling protrusion 311 is gradually inclined toward the center of the coupling protrusion 311 from top to bottom, and the inner side wall of the coupling groove 312 is gradually inclined toward the center of the coupling groove 312 from top to bottom. After adopting above-mentioned structure, coupling protrusion 311 and connecting groove 312 are the conical structure, and telescopic connector 3 is when extension or retraction, and the coupling protrusion 311 of the connection monomer 31 that is in the upper end can insert in the connecting groove 312 of the connection monomer 31 that is in the lower extreme more easily to adjacent connection monomer 31 is fixed a position about the subtend, takes place the skew when avoiding connecting monomer 31 and being close to the cooperation.

Preferably, the transversal arc face structure of personally submitting the middle part to outside hunch-up of flexible billet 2 adopts above-mentioned structure, and flexible billet 2 has better supporting effect when flexible, can further prevent that flexible billet 2 from bending.

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, wherein the lower end of the lower section 11 is provided with a mounting handle 14, and the steel bar driving device 4 is arranged on the mounting handle 14.

Preferably, the opening and closing device further comprises an upper nest 51, a lower nest 52, a pulling rope 53, a fixed pulley 54 and a return spring (not shown), wherein the upper nest 51 is arranged at the upper end of the upper section 13, the lower nest 52 is sleeved on the upper section 13, the fixed pulley 54 is rotatably connected with the upper end of the upper section 13, the pulling rope 53 is wound on the fixed pulley 54, one end of the pulling rope 53 is connected with the upper end of the middle section 12, the other end of the pulling rope is connected with the lower nest 52, the return spring is sleeved on the upper section 13, and the upper end and the lower end of the return spring respectively abut against the upper nest 51 and the lower nest 52. 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 part 13 to move upwards, so that the upper end of the upper section part 13 is far away from the upper end of the middle section part 12, and the pull rope 53 encircles the fixed pulley 54 to pull the lower nest 52 to be close to the upper nest 51, 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 part 13 to move downwards, so that the upper end of the upper section part 13 is close to the upper end of the middle section part 12, and the upper nest 51 pushes the lower nest 52 to be away from the upper nest 51 under the elastic force action of the return spring, thereby realizing the closing of the umbrella.

Preferably, one end of the pull rope 53 is provided with a clamping head 531, the upper end of the inner side wall of the middle section part 12 is provided with a clamping ring 121 which protrudes inwards, and the clamping head 531 is clamped in the clamping ring 121; the lower nest 52 is provided with a fixing mounting hole 521, and the other end of the pull rope 53 is embedded in the fixing mounting hole 521 and then can be bonded by an adhesive to prevent the pull rope 53 from falling off. By adopting the structure, the pull rope 53 is more convenient to install and is more firm to connect.

Preferably, the upper nest 51 includes a fixing block 511 fixed on the upper end of the upper section 13, the upper nest 51 is provided with a sleeve portion having a fixing sleeve 321 arranged outside the upper section 13, the fixing block 511 is arranged in the sleeve portion, and the lower end surface of the fixing block 511 is also provided with a connecting protrusion 311 embedded in the connecting groove 312, so that the fixing block 511 and the telescopic connecting member 3 are more firmly connected. The fixing block 511 has an accommodating groove 512 for accommodating the fixed pulley 54, the accommodating groove 512 forms an opening for the rope 53 to extend into and out of on the lower surface and the outer side surface of the fixing block 511, a first rotating shaft is arranged on the side wall of the accommodating groove 512, and the fixed pulley 54 is sleeved on the first rotating shaft.

Preferably, the lower extreme of fixed block 511 is equipped with and supplies flexible billet 2 male fixed slot 513, and the fixed chamber 514 that communicates with fixed slot 513 is seted up to the lateral surface of fixed block 511, is equipped with on the cell wall of fixed slot 513 to the bellied fixed protrusion 515 in the fixed chamber 514, and the upper end of flexible billet 2 is equipped with the fixed through-hole that corresponds the complex with fixed protrusion 515. By adopting the structure, the flexible steel bar 2 is more firmly connected with the fixing block 511.

Preferably, in this embodiment, the steel bar driving device 4 includes a motor 41, a worm 42, a worm wheel 43 and a driving gear 44, a communicating installation cavity 141 is provided in the installation handle 14, an installation through groove 142 and an installation hole 143 are provided, a second rotating shaft is provided in the installation cavity 141, the driving gear 44 and the worm wheel 43 are sleeved on the second rotating shaft, the motor 41 is provided in the installation hole 143, a power output end of the motor 41 extends into the installation cavity 141 to be connected with the worm 42, the worm 42 is engaged with the worm wheel 43, the flexible steel bar 2 is slidably connected in the installation through groove 142 in a penetrating manner, a driving tooth is provided on an outer circumferential surface of the driving gear 44, and a driving through hole 21 matched with the driving tooth is provided on. In operation, the motor 41 rotates to drive the worm 42 to drive the worm wheel 43 to rotate, and at the same time, the driving gear 44 rotates, and the driving gear 44 is engaged with the driving through hole 21 through the driving teeth to drive the flexible steel strip 2 to ascend or descend. By adopting the structure, the structure is compact, and the transmission ratio is larger.

Preferably, the opening and closing device further comprises a spiral spring 6, a mounting plate 144 is further arranged at the lower end of the mounting handle 14, a recovery housing 145 is arranged on the mounting plate 144, and the spiral spring 6 is arranged in the recovery housing 145. Adopt above-mentioned structure, when closing the umbrella, volute spiral spring 6 pulling flexible steel strip 2 withdraws in retrieving casing 145 for flexible steel strip 2 retrieves more conveniently, plays the effect of protection flexible steel strip 2 simultaneously.

Preferably, the upper end of the mounting handle 14 is further provided with a stem connecting groove 146 into which the lower section 11 is inserted. After adopting above-mentioned structure, make lower segment portion 11 and installation handle 14 be connected more firmly.

An automatic opening and closing umbrella adopting the telescopic mechanism of the umbrella handle 1 further comprises umbrella ribs and an umbrella cover, wherein the umbrella ribs are connected with the upper nest 51 and the lower nest 52, and the umbrella cover is connected to the umbrella ribs.

After adopting above-mentioned structure, compared with prior art, automatic umbrella that opens and shuts can automatic steady opening and shutting, and structural strength is high, and the operation of opening and shutting is convenient.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.