CN210581331U

CN210581331U - Umbrella with automatic folding and unfolding umbrella rod and umbrella cover

Info

Publication number: CN210581331U
Application number: CN201921792509.9U
Authority: CN
Inventors: 汤伟; 王强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-05-22
Anticipated expiration: 2029-10-23

Abstract

The utility model provides an automatic umbrella that receive and releases of umbrella pole umbrella face relates to the technical field of umbrella, has solved the complicated technical problem that the degree of difficulty is high with high costs of manufacturing of automatic flexible umbrella pole structure among the prior art. The umbrella with the umbrella rod and the umbrella cover capable of being automatically folded and unfolded comprises a handle, a telescopic umbrella rod, a transmission threaded rod, an umbrella cover unfolding device and a driving device, wherein the handle and the umbrella cover unfolding device are respectively connected with two ends of the telescopic umbrella rod. The driving device is in transmission connection with the transmission threaded rod to drive the transmission threaded rod to rotate. The telescopic umbrella rod is internally provided with an internal thread matched with the transmission threaded rod, and the telescopic umbrella rod is sleeved on the transmission threaded rod. One end of the transmission threaded rod is connected with the handle, and the other end of the transmission threaded rod is connected with an umbrella cover supporting and releasing pull rope in the umbrella cover supporting and releasing device. The transmission threaded rod drives the telescopic rod to stretch and adjust the tightness of the umbrella cover stretching stay cord when stretching, so that the structure of the automatic telescopic umbrella rod can be simplified, the umbrella rod and the umbrella cover can be folded and unfolded, and convenience is brought to a user.

Description

Umbrella with automatic folding and unfolding umbrella rod and umbrella cover

Technical Field

The utility model relates to a technical field of umbrella especially relates to an automatic umbrella that receive and releases of umbrella pole umbrella face.

Background

The umbrella is used as a daily necessity, can shade sun in sunny days and rain in rainy days, and is convenient for people to go out.

The umbrella in the prior art comprises a manual common umbrella and an automatic umbrella which is opened by means of elasticity. The manual common umbrella completely depends on manual power to drive the umbrella cover and the umbrella rod to be folded and unfolded, and the automatic umbrella which is unfolded by means of elastic force cannot be unfolded by manual power, but the umbrella can be completely folded and unfolded by means of manual power when being folded.

In order to facilitate the folding and unfolding of the umbrella, although a type of automatic umbrella on the market can realize the automatic folding and unfolding of the umbrella cover on the basis of realizing the automatic unfolding of the umbrella rod and the umbrella cover, the folding and unfolding of the umbrella rod still needs to be manually folded. And when the umbrella is folded, enough force is needed to overcome the elasticity of the spring in the umbrella rod to fold the umbrella rod.

In order to realize the automatic retraction of the umbrella rod and the umbrella cover, a full-automatic opening and closing umbrella (patent publication No. CN206866789U) discloses an umbrella structure which utilizes elasticity to open the umbrella rod and the umbrella cover and utilizes a motor to drive a worm gear to retract and release a pull rope to fold the umbrella rod and the umbrella cover. Although, above-mentioned full-automatic umbrella that opens and shuts has realized the automation of umbrella and has opened and close, still have a great deal of not enough, on the one hand when closing the umbrella, need whole journey compression spring, the spring compression volume is too big, and mechanism working resistance is too big, and it is high to driving motor's output requirement, and the umbrella face auto-lock relies on the motor to tighten up the cable all the time, and is serious to the motor damage, can not last, and on the other hand, this structure is complicated, and it is big to make the degree of difficulty, and is with high costs.

Therefore, the umbrella rod which has a simple structure and can realize automatic extension and retraction of the umbrella rod is urgently needed.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to provide an automatic umbrella that receive and releases of umbrella pole umbrella face, solved the complicated technical problem who makes the degree of difficulty with high costs of automatic flexible umbrella pole structure among the prior art. The utility model discloses preferred technical scheme can reach a great deal of beneficial technological effect, specifically see the following explanation.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the umbrella with the umbrella rod and the umbrella cover capable of being automatically folded and unfolded comprises a handle, a telescopic umbrella rod, a transmission threaded rod, an umbrella cover unfolding device and a driving device, wherein the handle and the umbrella cover unfolding device are respectively connected with two ends of the telescopic umbrella rod. The driving device is in transmission connection with the transmission threaded rod to drive the transmission threaded rod to rotate. The telescopic umbrella rod is internally provided with an internal thread matched with the transmission threaded rod, and the telescopic umbrella rod is sleeved on the transmission threaded rod so that the transmission threaded rod can drive the telescopic umbrella rod to extend and/or shorten. One end of the transmission threaded rod is connected with the handle, and the other end of the transmission threaded rod is connected with an umbrella cover spreading pull rope in the umbrella cover spreading device.

According to further preferred technical scheme, flexible umbrella pole includes first umbrella pole and second umbrella pole, and the aperture of first umbrella pole and the external diameter looks adaptation of second umbrella pole, and the second umbrella pole is kept away from the one end embedding first umbrella pole of handle in from first umbrella pole. Preferably, the second umbrella rod is provided with an internal thread matched with the transmission threaded rod, one end, far away from the handle, of the transmission threaded rod is embedded into the second umbrella rod, the transmission threaded rod is movably connected with the second umbrella rod through threads, and when the umbrella is folded and unfolded, the transmission threaded rod drives the second umbrella rod to move along the first umbrella rod.

According to a further preferred technical scheme, the telescopic umbrella rod further comprises a first stop piece, the first stop piece is located at one end, far away from the handle, of the transmission threaded rod, the diameter of the first stop piece is larger than that of the inner thread of the second umbrella rod, and when the umbrella is folded and unfolded, the first stop piece prevents the second umbrella rod from being separated from the transmission threaded rod.

According to a further preferred technical scheme, the first umbrella rod comprises a fixed section and a movable section, the aperture of the fixed section is matched with the outer diameter of the movable section, the fixed section is sleeved on the movable section, and when the umbrella is folded and unfolded, the movable section moves along the fixed section.

According to further preferred technical scheme, the one end that the movable segment is close to the fixed segment is provided with the dog, is provided with the through-hole on the dog, and the diameter of through-hole is greater than the external diameter of transmission threaded rod, and the diameter of through-hole is less than the external diameter of second umbrella pole.

According to further preferred technical scheme, the transmission threaded rod includes drive screw and drive screw pipe, and drive screw is located the fixed section, is provided with the internal thread that matches with drive screw on the drive screw pipe, and drive screw pipe passes through screw thread swing joint with drive screw. The external thread on the transmission screw pipe is matched with the internal thread on the second umbrella rod, and the transmission screw pipe is movably connected with the second umbrella rod through the thread.

According to a further preferred technical scheme, the transmission screw pipe comprises a connecting section and an extension section, the aperture of the extension section is larger than that of the connecting section, and an internal thread matched with the transmission screw is arranged on the inner wall of the connecting section.

According to a further preferred technical scheme, the transmission threaded rod further comprises a second stopping piece, and the second stopping piece is connected with one end, far away from the handle, of the transmission threaded rod; the outer diameter of the second stopping piece is larger than the aperture of the connecting section and smaller than the aperture of the extending section, and when the umbrella is folded and unfolded, the second stopping piece prevents the transmission screw from being separated from the transmission screw pipe.

According to a further preferred technical scheme, the driving device is positioned in the handle and at least comprises a motor, the motor is connected with the transmission threaded rod, and when the umbrella is folded and unfolded, the motor drives the transmission threaded rod to rotate forwards or backwards.

According to a further preferable technical scheme, the driving device further comprises an electric storage unit and a control unit, the electric storage unit is connected with the control unit and the motor, the control unit is connected with the motor, and when the umbrella is folded and unfolded, the control unit controls the motor to drive the transmission threaded rod to rotate forwards or backwards.

The utility model provides an automatic umbrella that receive and releases of umbrella pole umbrella face has following beneficial technological effect at least:

umbrella through setting up drive threaded rod to drive threaded rod passes through threaded connection with flexible umbrella pole, makes drive threaded rod can drive flexible umbrella pole extension and/or shorten, and then realizes the automation of umbrella pole and receive and release. Further, the umbrella in, transmission threaded rod props with the umbrella face in the umbrella face props puts the device and props and put the stay cord and be connected, and then make transmission threaded rod can stimulate the umbrella face when the flexible umbrella pole of drive is extended and prop the umbrella face in putting the device and prop and put the stay cord, and then realize that the umbrella face is automatic to be opened when flexible umbrella pole extends. When the umbrella needs to be folded, the transmission threaded rod drives the telescopic umbrella rod to be shortened, so that the umbrella surface stretching and releasing stay cord in the umbrella surface stretching and releasing device is loosened, and the umbrella surface stretching and releasing device can be retracted through the elasticity in the structure of the umbrella surface stretching and releasing device.

The umbrella rod of the umbrella has simple structure, is favorable for reducing the production and manufacturing difficulty and reduces the manufacturing cost for manufacturing the umbrella rod.

The umbrella pole of umbrella adopts screw drive for the umbrella face struts and/or withdraws speed controllable, and, can realize that umbrella pole and umbrella face strut simultaneously, avoids umbrella pole and/or umbrella face to receive great instantaneous impulsive force when strutting.

Drawings

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

FIG. 1 is a schematic view of a first preferred embodiment of the telescopic umbrella shaft of the present invention;

FIG. 2 is a schematic view of a second preferred embodiment of the telescopic umbrella shaft of the present invention;

FIG. 3 is an enlarged partial view of a preferred embodiment at B in FIG. 2;

FIG. 4 is an enlarged partial view of a preferred embodiment at D of FIG. 2;

FIG. 5 is an enlarged partial view of a preferred embodiment at A in FIG. 2;

FIG. 6 is an enlarged partial view of a preferred embodiment at C of FIG. 2;

FIG. 7 is a schematic view of a preferred embodiment drive screw tube of the present invention;

fig. 8 is a schematic diagram of a preferred embodiment umbrella cover supporting device of the present invention.

In the figure: 1-a handle; 2-telescopic umbrella rod; 21-a first umbrella pole; 211-a fixed segment; 212-active segment; 213-a stop block; 22-a second umbrella pole; 23-a first stop; 3-a transmission threaded rod; 31-a drive screw; 32-drive screw tube; 33-a second stop; 321-a connecting segment; 322-an extension section; 4-umbrella surface supporting and placing device; 41-umbrella surface stretching and releasing pull ropes; 42-umbrella cover fixing head; 43-canopy sliding sleeve; 44-an upper pulley; 45-lower pulley; 46-umbrella surface skeleton; 47-a spring; 48-elastic steel wire; 5-motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 or fig. 2, as a preferred embodiment, the umbrella with an umbrella rod and an umbrella cover capable of automatically folding and unfolding comprises a handle 1, a telescopic umbrella rod 2, a transmission threaded rod 3, an umbrella cover unfolding device 4 and a driving device, wherein the handle 1 and the umbrella cover unfolding device 4 are respectively connected with two ends of the telescopic umbrella rod 2. The driving device is in transmission connection with the transmission threaded rod 3 to drive the transmission threaded rod 3 to rotate. The telescopic umbrella rod 2 is internally provided with an internal thread matched with the transmission threaded rod 3, and the telescopic umbrella rod 2 is sleeved on the transmission threaded rod 3, so that the transmission threaded rod 3 can drive the telescopic umbrella rod 2 to extend and/or shorten. One end of the transmission threaded rod 3 is connected with the handle 1, and the other end of the transmission threaded rod 3 is connected with an umbrella cover spreading pull rope 41 in the umbrella cover spreading device 4.

The spring is embedded in the umbrella rod in the prior art, the elastic force of the spring is utilized to automatically extend the telescopic umbrella rod 2, and then the umbrella cover stretching and releasing stay cord 41 in the umbrella cover stretching and releasing device 4 is pulled, so that the umbrella cover stretching and releasing device 4 is unfolded, and the automatic stretching and releasing of the umbrella cover is realized. Because the spring can only drive the umbrella rod to extend, the umbrella rod can not be retracted, and further, the automatic folding of the umbrella rod can not be realized.

Above-mentioned preferred embodiment utilizes transmission threaded rod 3 not only can drive flexible umbrella pole 2 extension or shorten, can also adjust the umbrella face and prop and put the stay cord 41 elasticity, and then realizes the receipts of umbrella face or opens, reaches the purpose that umbrella pole and umbrella face homoenergetic receive and release automatically. The preferred embodiment solves the technical problems that the automatic umbrella in the prior art can only realize the automatic opening and closing of the umbrella rod and the umbrella cover and can not realize the simultaneous closing and opening of the umbrella rod and the umbrella cover. Moreover, the telescopic umbrella rod 2 in the preferred embodiment has simple structure and low manufacturing difficulty, and can effectively reduce the production cost of the telescopic umbrella rod 2.

Referring to FIG. 8, in a preferred embodiment, canopy supporting mechanism 4 further comprises a canopy anchor 42 for mounting a canopy framework 46, and a canopy runner 43. Wherein, the umbrella surface fixing head 42 is located at one end of the telescopic umbrella rod 2 far away from the handle 1, and the umbrella surface fixing head 42 is fixedly connected with the telescopic umbrella rod 2. Preferably, the umbrella cover fixing head 42 is sleeved on one end of the telescopic umbrella rod 2 far away from the handle 1 and is fixed by a pin and/or a screw. The umbrella cover sliding sleeve 43 is sleeved on the telescopic umbrella rod 2, and the aperture of the umbrella cover sliding sleeve 43 is larger than the outer diameter of the telescopic umbrella rod 2, so that the umbrella cover sliding sleeve 43 can slide along the telescopic umbrella rod 2.

With further reference to FIG. 8, a preferred embodiment canopy supporting mechanism 4 further includes an upper pulley 44 and a lower pulley 45. Preferably, one end of canopy extension cord 41 is fixedly connected to canopy fixing head 42, and canopy fixing head 42 passes around lower pulley 45 and upper pulley 44 along the sliding grooves of lower pulley 45 and upper pulley 44 to form a pulley set, and lower pulley 45 is a movable pulley in the pulley set.

Specifically, when the umbrella is opened, the pulling umbrella cover is used for stretching the pulling rope 41, i.e. stretching the telescopic umbrella rod 2, so that the umbrella cover sliding sleeve 43 slides upwards along the telescopic umbrella rod 2, and further overcomes the elasticity generated by the spring 47 and/or the elastic steel wire 48, so that the umbrella cover framework 46 is unfolded, and the umbrella cover is stretched. When the umbrella is closed, the canopy framework 46 is closed by releasing the canopy extension cord 41, i.e., contracting the telescopic shaft 2, and the elastic force generated by the spring 47 and/or the elastic wire 48.

Referring to fig. 1, as a preferred embodiment, the telescopic umbrella rod 2 comprises a first umbrella rod 21 and a second umbrella rod 22, the aperture of the first umbrella rod 21 is matched with the outer diameter of the second umbrella rod 22, and the second umbrella rod 22 is embedded in the first umbrella rod 21 from the end of the first umbrella rod 21 far away from the handle 1.

As a preferred embodiment, the second umbrella rod 22 is provided with an internal thread matched with the transmission threaded rod 3, one end of the transmission threaded rod 3, which is far away from the handle 1, is embedded into the second umbrella rod 22, and the transmission threaded rod 3 is movably connected with the second umbrella rod 22 through a thread, so that when the umbrella is folded and unfolded, the transmission threaded rod 3 drives the second umbrella rod 22 to move along the first umbrella rod 21.

In the above preferred embodiment, the telescopic umbrella rod 2 drives the second umbrella rod 22 to move along the first umbrella rod 21 by using the threaded connection between the transmission threaded rod 3 and the second umbrella rod 22 during the telescopic process, so that the telescopic speed of the telescopic umbrella rod 2 can be adjusted by the rotation speed of the transmission threaded rod 3. In the preferred embodiment, when the umbrella cover is in the stretched state, the umbrella cover is kept stretched without the driving force generated by the driving device, thereby being beneficial to protecting the driving device.

It should be noted that, in the fully automatic opening and closing umbrella in the prior art, the motor drives the worm and gear to retract and release the pull rope to realize the umbrella structure that the umbrella rod and the umbrella cover are folded, when the umbrella is opened, the driving force generated by the motor is needed to maintain the opening of the umbrella cover, and further the motor is easily damaged. On the other hand, the motor consumes a large amount of electric energy when working for a long time, and is not favorable for long-time use. In the preferred embodiment, the umbrella cover is kept to be unfolded without the driving force generated by the driving device, namely the driving device only needs to work when the umbrella is folded and unfolded, so that the electric energy is saved, and the umbrella cover can be used for a long time after being unfolded.

In a preferred embodiment, the first and

second shafts

21 and 22 are provided in a prism shape. The first and

second shafts

21, 22 are preferably hexagonal prisms. Further preferably, the first umbrella shaft 21 and the second umbrella shaft 22 are metal tubes in a hexagonal prism shape.

Referring to fig. 1, as a preferred embodiment, the telescopic umbrella rod 2 further comprises a first stopper 23, the first stopper 23 is positioned at one end of the transmission threaded rod 3 far away from the handle 1, the diameter of the first stopper 23 is larger than that of the internal thread of the second umbrella rod 22, and when the umbrella is folded and unfolded, the first stopper 23 prevents the second umbrella rod 22 from being separated from the transmission threaded rod 3.

Preferably, the first stop 23 is fitted over the second shaft 22. Further preferably, the first stop 23 is fixed to the second shaft 22 by a screw connection. More preferably, the first stopper 23 is provided with a through hole so that the canopy extension cord 41 can pass through the first stopper 23.

Referring to fig. 2, the first umbrella rod 21 includes a fixed section 211 and a movable section 212, the aperture of the fixed section 211 is matched with the outer diameter of the movable section 212, the fixed section 211 is sleeved on the movable section 212, and when the umbrella is folded and unfolded, the movable section 212 moves along the fixed section 211.

In the preferred embodiment, the first shaft 21 is provided with the fixed section 211 and the movable section 212, which is advantageous for shortening the shortened length of the telescopic shaft 2 to improve portability when the length of the telescopic shaft 2 is fixed.

Referring to fig. 2 and 3, a stopper 213 is disposed at one end of the movable section 212 close to the fixed section 211, a through hole is disposed on the stopper 213, the diameter of the through hole is greater than the outer diameter of the transmission threaded rod 3, and the diameter of the through hole is smaller than the outer diameter of the second umbrella rod 22.

In the above preferred embodiment, the stopper 213 is disposed such that the end of the second umbrella shaft 22 close to the handle 1 reaches the bottom of the movable section 212, i.e. when the movable section 212 is close to the end of the handle 1, the movable section 212 is pushed to move along the fixed section 211, so as to realize the gradual retraction of the telescopic umbrella shaft 2.

Referring to fig. 2 and 3, as a preferred embodiment, the driving threaded rod 3 includes a driving threaded rod 31 and a driving threaded rod tube 32, the driving threaded rod 31 is located in the fixing section 211, the driving threaded rod tube 32 is provided with an internal thread matching with the driving threaded rod 31, and the driving threaded rod tube 32 is movably connected with the driving threaded rod 31 through a thread.

Preferably, the external threads on the drive screw tube 32 match the internal threads on the second shaft 22, and the drive screw tube 32 is threadably removably connected to the second shaft 22. It is further preferred that the internal thread in the drive screw tube 32 is provided at the end of the drive screw tube 32 near the handle 1.

Referring to fig. 3 and 7, as a preferred embodiment, the driving screw pipe 32 includes a connecting section 321 and an extending section 322, the aperture of the extending section 322 is larger than that of the connecting section 321, and the inner wall of the connecting section 321 is provided with an internal thread matching with the driving screw 31.

Referring again to fig. 3, the drive screw rod 3 further includes a second stop 33, the second stop 33 being connected to an end of the drive screw 31 remote from the handle 1. The second stopper 33 has an outer diameter larger than the bore diameter of the connecting section 321 and smaller than the bore diameter of the extending section 322, and when the umbrella is stored, the second stopper 33 prevents the driving screw 31 from being separated from the driving screw tube 32.

Referring to fig. 2 and 3, canopy extension cord 41 is connected to drive screw 31 via second stopper 33. Preferably, the second stop 33 is a screw.

Referring to fig. 3, the driving screw pipe 32 is sleeved on the driving screw 31, and the driving screw 31 passes through the connecting section 321 and is in threaded connection with the connecting section 321. The second stopper 33 is provided at the end of the drive screw 31, and the second stopper 33 is located in the extension section 322 so that the second stopper 33 can prevent the drive screw 31 from being separated from the drive screw tube 32.

Referring to fig. 2 and 3, the end of the drive screw 31 adjacent the handle 1 is provided with an annular support block. Preferably, the annular support block outer diameter is the same as the outer diameter of the drive screw tube 32. When the telescopic umbrella rod 2 is extended, the annular supporting block abuts against the bottom of the driving screw pipe 32, that is, one end of the driving screw pipe 32 close to the handle 1, so as to push the movable section 212 to move along the fixed section 211.

It should be noted that the first umbrella rod 21 can include a multi-stage movable stage 212, and the transmission screw rod 3 includes a multi-stage transmission screw tube 32. Preferably, the connection between the respective movable segments 212 is the same as the connection between the fixed segments 211 and the movable segments 212. It is further preferred that the connection between the drive screw tubes 32 is the same as the connection between the drive screw 31 and the drive screw tube 32.

Referring to fig. 1 or fig. 2, as a preferred embodiment, the driving device is located in the handle 1, and the driving device at least comprises a motor 5, the motor 5 is connected with the transmission threaded rod 3, and when the umbrella is folded and unfolded, the control unit controls the motor 5 to drive the transmission threaded rod 3 to rotate forwards or backwards. Preferably, the motor 5 is a step motor. Further preferably, an output shaft of the motor 5 is connected with the transmission threaded rod 3 and fixed through a pin, so that the motor 5 can drive the transmission threaded rod 3 to rotate.

In a preferred embodiment, the driving device further comprises an electric storage unit and a control unit, the electric storage unit is connected with the control unit and the motor 5, the control unit is connected with the motor 5, and when the umbrella is folded and unfolded, the control unit controls the motor 5 to drive the transmission threaded rod 3 to rotate forwards or backwards. Preferably, the electric storage unit is a battery. More preferably, the electricity storage unit is a lithium battery. Preferably, the power storage unit is provided in the handle 1. Preferably, the control unit is a motor controller, so that the control unit can control the steering of the motor 5. Preferably, the control unit can be a motor control chip or a single chip microcomputer.

As a preferred embodiment, a control button is provided on the handle 1, and the control button is connected with the control unit, so that the user can control the motor 5 to rotate forward or backward through the control button. Preferably, the control buttons include a close button and an open button.

Referring to fig. 1 or 2, when the umbrella folding button is pressed, the motor 5 rotates in the forward direction, and then drives the transmission threaded rod 3 to rotate, so that the second umbrella rod 22 is retracted into the first umbrella rod 21. When the second shaft 22 retracts into the first shaft 21, the canopy extension cord 41 is released, and the canopy framework 46 is retracted by the spring 47 and/or the elastic wire 48, thereby achieving the purpose of automatic retraction of the shaft and the canopy.

Referring to fig. 2, when the bottom of the second shaft 22 is abutted against the stopper 213 at the bottom of the movable section 212. When the driving screw 31 continues to rotate, the driving screw tube 32 moves relative to the driving screw 31 and drives the movable section 212 to move along the fixed section 211. The telescopic umbrella rod 2 is further contracted, and the umbrella cover is further contracted, so that the telescopic umbrella rod 2 is completely contracted, and the umbrella cover is completely contracted. Thereby realizing the automatic folding of the telescopic umbrella rod 2 and the umbrella cover with a plurality of telescopic sections.

Referring again to fig. 2, when the open button is pressed, the motor 5 is reversed, i.e. the direction of rotation of the motor 5 is opposite to the direction of rotation of the motor 5 when the close button is pressed. And, motor 5 drives transmission threaded rod 3 reversal for second umbrella pole 22 moves up along first umbrella pole 21, and then realizes that flexible umbrella pole 2 extends.

Specifically, referring to fig. 3, the motor 5 drives the transmission screw 31 to rotate, and pushes the transmission screw tube 32 to move upwards, and then drives the second umbrella rod 22 to move along the first umbrella rod 21, and pulls the umbrella cover stretching and releasing pull rope 41, so that the umbrella cover stretching and releasing pull rope 41 can pull the umbrella cover sliding sleeve 43 to move upwards along the telescopic umbrella rod 2, and then drives the umbrella cover framework 46 to unfold, thereby achieving the purpose of automatically stretching the umbrella rod and the umbrella cover.

When the drive screw tube 32 moves to the top end of the drive screw 31, the second stopper 33 prevents the drive screw tube 32 and the drive screw 31 from moving relative to each other, so that the drive screw 31 can drive the drive screw tube 32 to rotate. Because the drive screw tube 32 is threaded into the second shaft 22, the rotating drive screw tube 32 pushes the first shaft 21 further up. The bottom of the driving screw pipe 32 is provided with a supporting block, so that the driving screw pipe 32 can push the movable section 212 in the first umbrella rod 21 to move along the extending direction of the telescopic umbrella rod 2. Alternatively, the second shaft 22 drives the movable section 212 to move along the extending direction of the telescopic shaft 2. Simultaneously, canopy stretching cord 41 is further pulled and canopy is further stretched. When the second shaft 22 reaches the top of the drive screw tube 32, the motor 5 is stopped and both the shaft and the canopy are fully open.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The umbrella with the umbrella rod and the umbrella cover capable of being automatically folded and unfolded is characterized by comprising a handle (1), a telescopic umbrella rod (2), a transmission threaded rod (3), an umbrella cover supporting and releasing device (4) and a driving device, wherein the handle (1) and the umbrella cover supporting and releasing device (4) are respectively connected with two ends of the telescopic umbrella rod (2); the driving device is in transmission connection with the transmission threaded rod (3) so as to drive the transmission threaded rod (3) to rotate;

an internal thread matched with the transmission threaded rod (3) is arranged in the telescopic umbrella rod (2), and the telescopic umbrella rod (2) is sleeved on the transmission threaded rod (3) so that the transmission threaded rod (3) can drive the telescopic umbrella rod (2) to extend and/or shorten;

one end of the transmission threaded rod (3) is connected with the handle (1), and the other end of the transmission threaded rod (3) is connected with an umbrella cover supporting and releasing pull rope (41) in the umbrella cover supporting and releasing device (4).

2. The umbrella with the umbrella rod and the umbrella cover capable of being automatically folded and unfolded as claimed in claim 1, wherein the telescopic umbrella rod (2) comprises a first umbrella rod (21) and a second umbrella rod (22), the aperture of the first umbrella rod (21) is matched with the outer diameter of the second umbrella rod (22), and the second umbrella rod (22) is embedded into the first umbrella rod (21) from one end of the first umbrella rod (21) far away from the handle (1);

be provided with on second umbrella pole (22) with the internal thread that transmission threaded rod (3) match, keep away from transmission threaded rod (3) the one end embedding of handle (1) in second umbrella pole (22), just transmission threaded rod (3) with second umbrella pole (22) are through screw thread swing joint, when receiving and releasing the umbrella, transmission threaded rod (3) drive second umbrella pole (22) are along first umbrella pole (21) remove.

3. The umbrella with the umbrella rod and the umbrella cover capable of being automatically folded and unfolded as claimed in claim 2, further comprising a first stopper (23), wherein the first stopper (23) is positioned at one end of the transmission threaded rod (3) far away from the handle (1), the diameter of the first stopper (23) is larger than that of the internal thread in the second umbrella rod (22), and when the umbrella is folded and unfolded, the first stopper (23) prevents the second umbrella rod (22) from being separated from the transmission threaded rod (3).

4. The umbrella with the umbrella rod and the umbrella cover capable of being automatically folded and unfolded according to claim 3, wherein the first umbrella rod (21) comprises a fixed section (211) and a movable section (212), the aperture of the fixed section (211) is matched with the outer diameter of the movable section (212), the fixed section (211) is sleeved on the movable section (212), and when the umbrella is folded and unfolded, the movable section (212) moves along the fixed section (211).

5. The umbrella with the umbrella rod and the umbrella cover capable of being automatically folded and unfolded as claimed in claim 4, wherein a stopper (213) is arranged at one end of the movable section (212) close to the fixed section (211), a through hole is arranged on the stopper (213), the diameter of the through hole is larger than the outer diameter of the transmission threaded rod (3), and the diameter of the through hole is smaller than the outer diameter of the second umbrella rod (22).

6. The umbrella with the automatic umbrella rod and umbrella cover folding and unfolding as claimed in claim 4, wherein the transmission threaded rod (3) comprises a transmission screw rod (31) and a transmission screw rod pipe (32), the transmission screw rod (31) is positioned in the fixed section (211), the transmission screw rod pipe (32) is provided with an internal thread matched with the transmission screw rod (31), and the transmission screw rod pipe (32) is movably connected with the transmission screw rod (31) through a thread;

the external thread on the transmission screw pipe (32) is matched with the internal thread on the second umbrella rod (22), and the transmission screw pipe (32) is movably connected with the second umbrella rod (22) through the thread.

7. The umbrella with the automatic umbrella rod and umbrella cover folding and unfolding as claimed in claim 6, wherein the transmission screw tube (32) comprises a connecting section (321) and an extending section (322), the aperture of the extending section (322) is larger than that of the connecting section (321), and the inner wall of the connecting section (321) is provided with an internal thread matched with the transmission screw (31).

8. Umbrella with automatic retraction of umbrella stick and umbrella cover according to claim 7, characterized in that the transmission threaded rod (3) further comprises a second stop (33), the second stop (33) being connected to the end of the transmission threaded rod (31) remote from the handle (1);

the outer diameter of the second stop piece (33) is larger than the aperture of the connecting section (321) and smaller than the aperture of the extending section (322), and when the umbrella is folded and unfolded, the second stop piece (33) prevents the transmission screw rod (31) from being separated from the transmission screw rod tube (32).

9. The umbrella with the umbrella rod and the umbrella cover capable of being automatically folded and unfolded according to any one of claims 1 to 8, characterized in that the driving device is located in the handle (1) and at least comprises a motor (5), the motor (5) is connected with the transmission threaded rod (3), and when the umbrella is folded and unfolded, the motor (5) drives the transmission threaded rod (3) to rotate forwards or backwards.

10. The umbrella with the umbrella rod and the umbrella cover capable of being automatically folded and unfolded according to claim 9, wherein the driving device further comprises an electric power storage unit and a control unit, the electric power storage unit is connected with the control unit and the motor (5), the control unit is connected with the motor (5), and when the umbrella is folded and unfolded, the control unit controls the motor (5) to drive the transmission threaded rod (3) to rotate forwards or backwards.