阅读说明：本技术 一种结构强度高的自动伸缩伞 (Automatic telescopic umbrella with high structural strength ) 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强度高的自动伸缩伞,包括可伸缩的伞柄以及驱动伞柄伸缩的开合装置,其中,开合装置包括柔性钢条,伸缩连接件以及钢条驱动装置,钢条驱动装置设在伞柄的下端,柔性钢条的一端与伞柄的上端连接且另一端与钢条驱动装置连接,伸缩连接件的上端与伞柄的上端连接且下端与伞柄的下端连接,伸缩连接件包括间隔设置的连接单体和松紧绳,连接单体的上端设有与松紧绳连接的连接槽,连接单体的下端设有与松紧绳连接的连接凸起,连接单体设有供柔性钢条穿过的固定孔。与现有技术相比,本发明自动伸缩伞的结构牢固紧凑且结构强度高,能够实现伞柄平稳伸缩,开合操作更加方便。(The invention discloses an automatic telescopic umbrella with high structural strength, which comprises a telescopic umbrella handle and an opening and closing device for driving the umbrella handle to stretch, 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, one end of the flexible steel bar is connected with the upper end of the umbrella handle, the other 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 connecting monomers and elastic ropes which are arranged at intervals, the upper end of the connecting monomers is provided with connecting grooves connected with the elastic ropes, the lower end of the connecting monomers is provided with connecting. Compared with the prior art, the automatic telescopic umbrella has firm and compact structure and high structural strength, can realize stable telescopic of the umbrella handle, and is more convenient to open and close.)

1. The utility model provides an automatic flexible umbrella that structural strength is high, 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, 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 includes the connection monomer and the bungee cord that the interval set up, it is equipped with the spread groove of being connected with the bungee cord to connect the free upper end, it is protruding to connect the free lower extreme and be equipped with the connection of being connected with the bungee cord, it is equipped with the fixed orifices that supplies flexible billet to.

2. The automatic telescopic umbrella with high structural strength as claimed in claim 1, wherein a first coupling ring is provided on a groove bottom of the coupling groove, a second coupling ring is provided on a lower surface of the coupling protrusion, and both ends of the elastic cord are coupled to the first coupling ring and the second coupling ring, respectively.

3. The automatic telescopic umbrella with high structural strength as claimed in claim 2, 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.

4. A structurally strong automatic telescopic umbrella as claimed in claim 1, wherein said flexible steel strips have a cross section in an arc-shaped configuration with a central portion thereof arched to the outside.

5. An automatic telescopic umbrella with high structural strength as claimed in any one of claims 1 to 4, wherein said umbrella handle includes a lower section, a middle section sleeved on said lower section, and an upper section sleeved on said middle section, said lower section having a mounting handle at its lower end, said steel rod driving means being provided on said mounting handle.

6. The umbrella as claimed in claim 5, wherein the opening and closing device further comprises an upper nest, a lower nest, a pulling rope, a fixed pulley and a return spring, the upper nest is disposed at the upper end of the upper section, the lower nest is sleeved on the upper section, the fixed pulley is rotatably connected to the upper end of the upper section, the pulling rope is wound around the fixed pulley, one end of the pulling rope is connected to the upper end of the middle section and the other end is connected to the lower nest, the return spring is sleeved on the upper section, and the upper and lower ends of the return spring respectively abut against the upper nest and the lower nest.

7. The automatic telescopic umbrella with high structural strength as claimed in claim 6, wherein a clip is provided at one end of the pulling rope, and a snap ring protruding inward is provided at an upper end of an inner side wall of the middle section part, and the clip is snapped in the snap ring; the lower nest is provided with a fixing hole for installation, and the other end of the pull rope is embedded into the fixing hole.

8. The umbrella as claimed in claim 5, wherein the upper nest comprises a fixing block fixed to an upper end of the upper portion, the fixing block having a receiving groove for receiving the fixed pulley, a first shaft provided on a sidewall of the receiving groove, and the fixed pulley being fitted around the first shaft.

9. The automatic telescopic umbrella with high structural strength as claimed in claim 8, wherein the lower end of the fixing block is provided with a fixing groove for the flexible steel rod to be inserted into, the outer side of the fixing block is provided with a fixing cavity communicated with the fixing groove, a fixing protrusion protruding into the fixing cavity is provided on the wall of the fixing groove, and the upper end of the flexible steel rod is provided with a fixing through hole correspondingly engaged with the fixing protrusion.

10. The automatic telescopic umbrella with high structural strength as claimed in claim 5, wherein the steel bar driving device comprises a motor, a worm wheel and a driving gear, the installation handle is internally provided with an installation cavity communicated with the installation handle, the installation through groove and the installation hole are provided with a second rotating shaft in the installation cavity, the driving gear and the worm wheel are sleeved on the second rotating shaft, the motor is arranged in the installation hole, the power output end of the motor is connected with the worm, the worm is meshed with the worm wheel and is connected, the flexible steel bar is arranged in the installation through groove in a penetrating manner, the outer circumferential surface of the driving gear is provided with driving teeth, and the side surface of the flexible steel bar is provided with driving through holes matched with the driving.

Technical Field

The invention relates to the technical field of umbrellas, in particular to an automatic telescopic umbrella with high structural strength.

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 rod 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 rod is very unstable. And the umbrella that opens and shuts through the flexible rack, because the flexible rack is comparatively soft, the flexible rack is bent easily when the umbrella pole extends, makes the flexible billet lose the holding power in the twinkling of an eye, just so leads to the flexible rack to damage easily, and the umbrella can't open 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 mainly aims to provide an automatic telescopic umbrella with high structural strength, which has firm and compact structure and high structural strength, can realize stable extension of an umbrella handle and is more convenient to open and close.

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

the utility model provides an automatic flexible umbrella that structural strength is high, 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, 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 is connected with the lower extreme of umbrella stick with the upper end of umbrella stick, telescopic connection spare includes the connection monomer and the bungee cord that the interval set up, it is equipped with the spread groove of being connected with the bungee cord to connect free upper end, it is protruding to be equipped with the connection of being connected with the bungee cord to connect free lower extreme, it is equipped with the fixed orifices.

Furthermore, be equipped with first go-between on the tank bottom of spread groove, connect bellied lower surface and be equipped with the second go-between, the both ends of bungee are connected respectively on first go-between and second go-between.

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, its characterized in that, 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 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 fixing hole for installation, and the other end of the pull rope is embedded into the fixing 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.

Furthermore, still include rib and umbrella face, the rib is connected with last nest and lower nest, the umbrella face is connected on the rib.

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 units in the telescopic connecting piece are relatively far away from the elastic ropes 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 units are close to each other under the elastic action of the elastic ropes, and the telescopic connecting pieces are convenient to shorten and restore, so that the umbrella handle can be stably stretched, and the opening and closing operation is more convenient.

Drawings

Fig. 1 is a perspective view of the outline structure of the umbrella handle when the umbrella handle is folded.

Fig. 2 is a perspective view of the external structure of the umbrella handle when the umbrella handle is extended.

Fig. 3 is a structural section schematic view when the umbrella handle is folded.

Fig. 4 is a schematic sectional view of the umbrella handle when it is 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 to 6, an automatic telescopic umbrella with high structural strength 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 rod 2, a telescopic connecting member 3 and a steel rod driving device 4, the steel rod driving device 4 is arranged at the lower end of the umbrella handle 1, one end of the flexible steel rod 2 is connected with the upper end of the umbrella handle 1 and the other end is connected with the steel rod 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 connecting single body 31 and a bungee cord 32 which are arranged at intervals, the upper end of the connecting single body 31 is provided with a connecting groove 311 connected with the bungee cord 32, the lower end of the connecting single body 31 is provided with a connecting protrusion 312 connected with the bungee cord 32, the, the telescopic connecting piece 3 has higher structural strength and can play a role of supporting the umbrella handle 1, and the connecting unit 31 is provided with a fixing hole 33 for the flexible steel bar 2 to pass through and slide.

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 single body 31 in the telescopic connecting piece 3 is relatively far away from the elastic rope 32 to be pulled to be in 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 units 31 are close to each other under the elastic action of the elastic ropes 32, and the telescopic connecting pieces 3 are convenient to shorten and restore, so that the umbrella handle 1 can be stably stretched, and the opening and closing operation is more convenient.

Preferably, a first coupling ring 313 is provided on the groove bottom of the coupling groove 311, a second coupling ring 314 is provided on the lower surface of the coupling protrusion 312, and both ends of the elastic cord 32 are coupled to the first coupling ring 313 and the second coupling ring 314, respectively. With the above structure, the elastic cord 32 is fixed more firmly with the connecting groove 311 and the connecting projection 312. The phenomenon that the elastic cord 32 is dropped off is effectively prevented.

Preferably, the side wall of the coupling protrusion 312 gradually inclines toward the center of the coupling protrusion 312 from top to bottom, and the inner side wall of the coupling slot 311 gradually inclines toward the center of the coupling slot 311 from top to bottom. After adopting above-mentioned structure, connecting protrusion 312 and connecting groove 311 are the conical structure, and telescopic connector 3 is when extension or retraction, and the connecting protrusion 312 of the connection monomer 31 that is in the upper end can insert in the connecting groove 311 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 cross section of the flexible steel bar 2 is in an arc-shaped surface structure with the middle part arched outwards. Adopt above-mentioned structure, flexible billet 2 has better supporting effect when flexible, can further prevent that flexible billet 2 from bending.

Preferably, it is characterized in that 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, 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 143531, and the other end of the pulling rope 53 is inserted into the fixing mounting hole 143531 and then bonded with an adhesive to prevent the pulling 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 at the upper end of the upper section 13, the upper nest 51 is provided with a sleeve portion fixedly sleeved outside the upper section 13, the fixing block 511 is arranged inside the sleeve portion, and the lower end surface of the fixing block 511 is also provided with a connecting protrusion 312 embedded in the connecting groove 311, 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 matched with the driving tooth is provided on. During operation, the motor 41 rotates to drive the worm 42 to drive the worm wheel 43 to rotate, and simultaneously, the driving gear 44 rotates, and the driving gear 44 drives the flexible steel bar 2 to ascend or descend through the meshing of the driving teeth and the driving through holes. 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.

Preferably, the umbrella also 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 with the umbrella ribs.

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.