CN215189749U

CN215189749U - Electric umbrella

Info

Publication number: CN215189749U
Application number: CN202120660879.8U
Authority: CN
Inventors: 宋治明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-12-17
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses an electric umbrella, this umbrella includes: the umbrella comprises an umbrella framework, umbrella cloth fixed on the umbrella framework, a middle rod group, an upper nest, a lower nest, an umbrella handle and an umbrella opening and closing control mechanism; the upper nest is fixed at the upper end of the middle rod group, the lower nest is slidably sleeved on the middle rod group, and the umbrella handle is fixed at the lower end of the middle rod group; the umbrella opening and closing control mechanism comprises a wire collecting mechanism, the wire collecting mechanism is arranged in the umbrella handle and comprises an elastic device and a wire collecting wheel, the upper end of an electric wire is fixed above the middle rod set and is electrically connected with a motor, and the lower end of the electric wire penetrates through the inside of the middle rod set, is fixed with the wire collecting wheel of the wire collecting mechanism and is electrically connected with a control assembly; the take-up pulley can rotate along with the deformation and recovery of the elastic device, so that the wire can be taken up and paid off. The electric wire can be in long straight shape and wear to locate in the well excellent group, can not occupy too much space in the excellent group, avoids electric wire and the circumstances of stay cord mutual interference to take place.

Description

Electric umbrella

Technical Field

The utility model relates to an parachute kit field, especially an electric umbrella.

Background

The umbrella can be used for wind resistance, rain resistance, sun shading and sun protection, and is an essential tool in daily life of people. Traditional parachute kit needs the user to hold the umbrella stick with one hand, and another hand pushes umbrella skeleton to a certain position rear can expand fixed umbrella face, and whole process is comparatively consuming time hard. Therefore, various automatic umbrella opening and closing structures appear in the market, and the common automatic umbrella opening and closing structure is that a control button is arranged at the umbrella handle, so that the umbrella cover can be automatically opened and closed only by holding the umbrella handle and pressing the button during use, and the umbrella cover is labor-saving and rapid.

Most of the existing common automatic umbrella opening and closing structures utilize a motor to drive an opening and closing structure formed by a screw rod and a nut to control the opening and closing of the umbrella surface, so that the motor and the opening and closing structure are often arranged and integrated on an umbrella handle, the weight of the umbrella handle in the whole umbrella is too high, and a user is not comfortable to hold the umbrella. Therefore, there is a chinese utility model patent with publication number CN209788759U, which discloses an "open and close structure, a middle rod and an umbrella", as issued by 12, and 17 days in 2019. This structure that opens and shuts for open or folding umbrella, the lower nest of well stick other end is located to last nest and slidable ground cover that the umbrella includes well stick, locates well stick one end, the structure that opens and shuts is including locating pulley and first fixed pulley, stay cord in the nest and locating the second fixed pulley of nest down, pulley and first fixed pulley interval set up, just first fixed pulley and second fixed pulley set up relatively, the stay cord passes well stick and walks around pulley, second fixed pulley and first fixed pulley in proper order, it still is equipped with the motor that is connected with the pulley to go up the nest. The motor is arranged in the upper nest to be separated from the battery and the control assembly in the umbrella handle, so that the weight of the umbrella is uniformly distributed, and the use comfort level is improved.

However, in order to operate the motor, it is necessary to connect the motor to the battery through a wire, and the control assembly of the aforementioned patent includes a battery, two terminals disposed on the circuit board, and a spring-type wire, one end of the spring-type wire passing through the middle rod is connected to the motor, the other end of the spring-type wire is connected to one terminal, and the battery is connected to the other terminal. The spring electric wire has a structure similar to a spring, is arranged in the middle rod in a penetrating mode, can occupy a certain volume, is provided with the spring and the pull rope in the middle rod in a penetrating mode, is narrow in space, is difficult to assemble and produce, is easy to interfere with the spring electric wire and the spring and the pull rope inside the middle rod, and can be worn or wound with the spring and the pull rope, so that the umbrella cannot be smoothly opened and closed, and the stability and the reliability of the umbrella can be reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric umbrella, it has that whole umbrella weight distributes evenly, easily grips, and electric wire and stay cord can not mutual interference, open and receive the advantage that umbrella stable in structure is reliable.

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

an electric umbrella, comprising: the umbrella comprises an umbrella framework, umbrella cloth fixed on the umbrella framework, a middle rod group, an upper nest, a lower nest, an umbrella handle and an umbrella opening and closing control mechanism;

the umbrella frame is characterized in that each umbrella rib is arranged between an upper nest and a lower nest in a matching manner, the middle rod group comprises a plurality of sections of sleeves which are sequentially sleeved in a sliding manner from top to bottom, the upper nest is fixedly arranged at the upper end of the middle rod group, the lower nest is sleeved on the middle rod group in a sliding manner, and the umbrella handle is fixedly arranged at the lower end of the middle rod group;

the umbrella opening and closing control mechanism comprises a control assembly, a power assembly and a driving assembly;

the control assembly is arranged on the umbrella handle, the power assembly comprises a motor, the motor is arranged above the middle rod group, and the driving assembly comprises a driving wheel, a sliding device and a pull rope; the driving wheel is arranged above the middle rod group and is linked with the motor, the sliding device is arranged on the lower nest, one end of the pull rope is fixed below the middle rod group, and the other end of the pull rope sequentially bypasses the driving wheel and the sliding device after penetrating through the interior of the middle rod group and is finally fixed above the middle rod group;

the power assembly further comprises a wire rewinding mechanism and an electric wire, the wire rewinding mechanism is arranged in the umbrella handle and comprises an elastic device and a wire rewinding wheel, the upper end of the electric wire is fixed above the middle rod set and is electrically connected with the motor, and the lower end of the electric wire penetrates through the interior of the middle rod set, is fixed with the wire rewinding wheel of the wire rewinding mechanism and is electrically connected with the control assembly; the take-up pulley can rotate along with the deformation and recovery of the elastic device, so that the wire can be taken up and paid off.

Preferably, the elastic device is a spring, the take-up pulley is coupled to a spring shaft of the spring, and the take-up pulley can rotate along with the winding and unwinding of the spring.

Preferably, the motor and the driving wheel are arranged in an upper nest above the middle rod group, and the sliding device is a first pulley.

Preferably, the middle rod group comprises three sections of sleeves, namely an outer tube, a middle tube and an inner tube; the upper nest is fixed at the upper end of the outer tube, and the lower nest is slidably sleeved on the outer tube of the middle rod group.

Preferably, a supporting piece can be further arranged below the middle rod group, the supporting piece can be inserted into the lower end of the middle rod group, the umbrella handle can be fixed with the middle rod group through the supporting piece, and the electric wire penetrates through the supporting piece, is fixed with a wire take-up pulley of the wire take-up mechanism and is electrically connected with the control assembly; the end of the pull rope below the middle rod group is fixed on the bearing part, and the other end of the pull rope penetrates through the interior of the middle rod group and then sequentially bypasses the driving wheel and the sliding device to be fixed on the upper nest.

Preferably, the control assembly comprises a button for controlling opening and closing of the umbrella, a control circuit board, a battery and a charging interface, the control circuit board is electrically connected with the button, the battery and the charging interface respectively, the battery is a rechargeable battery, the charging interface is used for charging the battery, the button is exposed on the outer surface of the umbrella handle, and the lower end of the electric wire is electrically connected with the control circuit board.

Preferably, the button includes an umbrella opening button and an umbrella closing button, the button is electrically connected with the control circuit board respectively, the umbrella opening button is used for driving the motor to rotate positively, and the umbrella closing button is used for driving the motor to rotate negatively.

Preferably, the middle rod group comprises three sections of sleeves, namely an outer tube, a middle tube and an inner tube; the umbrella opening button is linked with a locking mechanism arranged on the upper part of the umbrella handle, and the lower end of the outer tube is provided with a clamping block which is matched with the locking mechanism.

Preferably, the driving assembly further comprises a first gear and a worm, the driving wheel is coupled to the first gear through a connecting rod, the worm is linked with the motor, and the worm is meshed with the first gear.

Preferably, an umbrella opening spring is arranged in the middle rod group, the upper end of the umbrella opening spring abuts against an upper nest at the upper end of the middle rod group, the other end of the umbrella opening spring abuts against the lower part of the middle rod group, and the pull rope and the electric wire penetrate through the spring; an umbrella folding spring is arranged on the umbrella framework and connected with each umbrella rib.

After the structure of the oil adding device is adopted, the utility model discloses an electric umbrella sets up the motor through excellent group top in, and the motor passes through the electric wire and locates the control assembly electric connection in the umbrella stick, and the electric wire wears to locate excellent group in, when the parachute kit is opened, well excellent group length can change, the one end of electric wire is fixed in excellent group top in, an admission machine in the umbrella stick of excellent group below in the other end connection, admission machine receives and releases the line to the electric wire, so that the length variation of excellent group in the electric wire cooperation, this electric wire can be long straight form and wear to locate excellent group in promptly, need not be like the spring electric wire as current design, just can not occupy the interior too many spaces of excellent group in, can avoid the installation difficulty, and avoid the condition of electric wire and stay cord mutual interference to take place.

Drawings

FIG. 1 is a perspective view of the present embodiment;

FIG. 2 is an exploded view of the present embodiment;

FIG. 3 is a schematic cross-sectional view of the present embodiment;

FIG. 4 is a schematic view of the motor driving assembly of the present embodiment;

FIG. 5 is a schematic view of a power assembly and a driving assembly according to the present embodiment;

FIG. 6 is a perspective view of the open state of the present embodiment;

FIG. 7 is a first schematic diagram illustrating the operation of the present embodiment in the open state;

FIG. 8 is a second schematic view illustrating the operation of the present embodiment in the open state;

FIG. 9 is an enlarged view taken at A of FIG. 8;

FIG. 10 is a first schematic view illustrating the operation of the present embodiment in the umbrella-closing state;

FIG. 11 is a second schematic view of the operation of the present embodiment in the umbrella-closing state;

fig. 12 is an enlarged view of fig. 11 at B.

Description of the symbols:

umbrella frame 1, umbrella closing spring 11, umbrella frame 12

Middle rod group 2, outer pipe 21, middle pipe 22, inner pipe 23 and bearing piece 24

Upper nest 3

Lower nest 4

Umbrella handle 5

Control assembly 7, button 71, control circuit board 72, battery 73, charging interface 74

Umbrella opening button 711 and umbrella closing button 712

Power assembly 8, motor 81, electric wire 82, take-up mechanism 83 and small pulley 84

Spring 831, take-up pulley 832, wire 821 and metal sheet 834

Drive assembly 9, drive wheel 91, first gear 92, worm 93, first pulley 94, pull rope 95, connecting rod 96

A locking mechanism 10, a fixture block 20 and an umbrella opening spring 30.

Detailed Description

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

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 to 5, the present invention provides an electric umbrella, which is described by taking a three-folding umbrella as an example, and comprises: the umbrella comprises an umbrella framework 1, umbrella cloth (not shown) fixed on the umbrella framework 1, a middle rod group 2, an upper nest 3, a lower nest 4, an umbrella handle 5 and an umbrella opening and closing control mechanism.

As shown in fig. 2, each rib 12 of the umbrella frame 1 is arranged between the upper nest 3 and the lower nest 4 in a matching manner, an umbrella folding spring 11 is arranged on the umbrella frame 1, and each rib 12 can be automatically folded when the umbrella is folded through the umbrella folding spring 11.

As shown in fig. 2 and 3, the middle rod set 2 comprises three sections of sleeves which are sequentially sleeved from top to bottom in a sliding manner, namely an outer pipe 21, a middle pipe 22 and an inner pipe 23; the upper nest 3 is fixed on the upper end of the outer tube 21, the lower nest 4 is slidably sleeved on the outer tube 21 of the middle rod group 2, and the umbrella handle 5 is fixed on the lower end of the middle rod group 2.

The umbrella opening and closing control mechanism comprises a control component 7, a power component 8 and a driving component 9, wherein the control component 7 controls the power component 8 to output positive and negative rotation power, and the driving component 9 provides power by virtue of the power component 8 so as to drive the umbrella to open or close.

As shown in fig. 2, the control assembly 7 of the present embodiment is disposed on the umbrella handle 5, and includes a button 71 for controlling opening and closing of the umbrella, a control circuit board 72, a battery 73 and a charging interface 74, wherein the control circuit board 72 is electrically connected to the button 71, the battery 73 and the charging interface 74 respectively, the battery 73 is a rechargeable battery, the charging interface 74 is used for charging the battery 73, and the button 71 is exposed on the outer surface of the umbrella handle 5.

The power assembly 8 of the present embodiment includes a motor 81, an electric wire 82, and a take-up mechanism 83; the motor 81 is arranged in the upper nest 3 above the middle rod set 2, the take-up mechanism 83 is arranged in the umbrella handle 5 below the middle rod set 2, the take-up mechanism 83 comprises a spring 831 and a take-up pulley 832, the take-up pulley 832 is coupled to a spring shaft of the spring 831, the upper end of the wire 82 is fixed in the upper nest 3 above the middle rod set 2 and is electrically connected with the motor 81, and the lower end of the wire 82 penetrates through the interior of the middle rod set 2 and is fixed with the take-up pulley 832 of the take-up mechanism 83 and is electrically connected with the control circuit board 72; the take-up pulley 832 is rotatable as the spring 831 is wound up and unwound, thereby taking up and paying out the electric wire 82.

The wire 82 includes two wires 821, the upper end of the wire 821 is electrically connected to the motor 81, the lower end of the wire 821 is electrically connected to a spring 831 made of metal and a metal plate 834 on the winding wheel 832 respectively, the spring 831 and the metal plate 834 on the winding wheel 832 are electrically connected to the control circuit board 72, and the lower end of the wire 821 is also electrically connected to the control circuit board 72 directly.

The driving assembly 9 of the present embodiment includes a driving wheel 91, a first gear 92, a worm 93, a first pulley 94, and a pull rope 95; the driving wheel 91 is arranged in the upper nest 3 above the middle bar group 2 and is connected with the first gear 92 through a connecting rod 96 in a shaft mode, the worm 93 is linked with the motor 81, the worm 93 is meshed with the first gear 92 (as shown in fig. 4), the first pulley 94 is arranged on the lower nest 4, one end of the pull rope 95 is fixed below the middle bar group 2, and the other end of the pull rope passes through the inside of the middle bar group 2 and then sequentially bypasses the driving wheel 91 and the first pulley 94 to be finally fixed above the middle bar group 2; the motor 81 can rotate forward or backward by pressing the button 71, so as to drive the worm 93 to rotate and drive the first gear 92 and the driving wheel 91 to rotate forward or backward, further control the movement of the pull rope 95, drive the lower nest 4 to move in the direction close to the upper nest 3 or move in the direction far from the upper nest 3, and open or fold the umbrella.

The lower part of the middle rod set 2 can be further provided with a bearing part 24, the bearing part 24 can be inserted into the lower end of the inner tube 23, the umbrella handle 5 can be fixed with the inner tube 23 of the middle rod set 2 through the bearing part 24, the electric wire 82 penetrates through the bearing part 24, and the end of the pull rope 95 located below the middle rod set 2 can be fixed on the bearing part 24.

As shown in fig. 5, the electric wire 82 may further slide on a small pulley 84, the small pulley 84 is located below the driving wheel 91, and the small pulley 84 limits the electric wire 82 to prevent the electric wire 82 from interfering with the movement of the pulling rope 95.

As shown in fig. 2 and 3, an umbrella unfolding spring 30 may be further disposed inside the middle rod set 2, an upper end of the umbrella unfolding spring 30 abuts against the upper nest 3 at the upper end of the outer tube 21, the other end of the umbrella unfolding spring abuts against the supporting member 24 at the lower end of the inner tube 23, the pulling rope 95 and the electric wire 82 penetrate through the umbrella unfolding spring 30, the umbrella unfolding spring 30 may be used to assist in unfolding an umbrella, that is, when the umbrella is unfolded, the outer tube 21, the middle tube 22 and the inner tube 23 of the middle rod set 2 extend and spring open, and the lower nest 4 slides along the outer tube 21 towards the direction close to the upper nest 3 under the driving of the pulling rope 95 to unfold the umbrella frame 1, thereby achieving an umbrella unfolding operation.

As shown in fig. 1 to fig. 3, the button 71 includes an umbrella opening button 711 and an umbrella closing button 712 electrically connected to the control circuit board 72, the umbrella opening button 711 is used for driving the motor 81 to rotate forward, the umbrella closing button 712 is used for driving the motor 81 to rotate backward, the umbrella opening button 711 can also be coupled to a locking mechanism 10 disposed on the upper portion of the umbrella handle 5, and a locking block 20 is disposed at the lower end of the outer tube 21 and is used for cooperatively locking the locking mechanism 10.

As shown in fig. 6 to 9, according to the electric umbrella of the present invention, by pressing the umbrella opening button 711 on the umbrella handle 5, the upper end of the umbrella opening button 711 is linked with the locking mechanism 10 to release and unlock the locking block 20, so that the umbrella opening spring 30 in the middle rod set 2 releases elastic potential energy to drive the outer tube 21, the middle tube 22 and the inner tube 23 to extend and pop open, and as the length of the middle rod set 2 is increased, the pull rope 95 penetrating through the middle rod set 2 is synchronously increased, and further the pull rope 95 connected with the lower nest 4 outside the middle rod set 2 is shortened, that is, the lower nest 4 is moved toward the direction close to the upper nest 3; the umbrella unfolding button 711 is pressed and simultaneously communicated with an umbrella unfolding circuit, the control circuit board 72 controls the motor 81 to rotate forwards, the motor 81 drives the worm 93, the first gear 92 and the driving wheel 91 to rotate, and then the driving wheel 91 drives the pull rope 95 to move, so that the lower nest 4 moves towards the upper nest 3, and finally the umbrella framework 1 can be unfolded under the driving of the elastic force of the umbrella unfolding spring 30 and the forward rotation of the motor 81, so that the umbrella unfolding action is realized. Before the umbrella is unfolded, the umbrella is in a folded state, at the moment, the clockwork 831 of the take-up mechanism 83 is in a relaxed state, a part of the electric wire 82 is taken up on the take-up pulley 832, when the umbrella is unfolded, because the upper end of the electric wire 82 is fixed in the upper nest 3 above the middle rod set 2 for supplying power to the motor 81, and the length of the middle rod set 2 is lengthened, the length of the electric wire 82 which is penetrated in the middle rod set 2 also needs to be lengthened synchronously, the upper end of the electric wire 82 applies force to pull the take-up pulley 832 to rotate and pay off, simultaneously, the clockwork 831 is gradually tightened, and after the umbrella is completely unfolded, the clockwork 831 is in a tightened state.

As shown in fig. 10 to 12, the electric umbrella of the present invention, by pressing the umbrella folding button 712 on the umbrella handle 5, can communicate with the umbrella folding circuit, the control circuit board 72 controls the motor 81 to rotate reversely, the motor 81 drives the worm 93, the first gear 92 and the driving wheel 91 to rotate, and further the driving wheel 91 drives the pulling rope 95 to move, so as to compress the umbrella unfolding spring 30, and fold the outer tube 21, the middle tube 22 and the inner tube 23, so that the lower nest 4 moves towards the direction away from the upper nest 3, so as to shorten the length of the middle rod set 2, and simultaneously fold the umbrella frame 1, and the outer tube 21 can finally extend into the umbrella handle 5, so that the clamping block 20 of the outer tube 21 can be clamped to the clamping mechanism 10 on the umbrella handle 5, thereby locking the umbrella and locking the umbrella unfolding spring 30, and completing the umbrella folding action; in the umbrella folding process, when the length of the middle stick group 2 is shortened, the force of the upper end of the wire 82 for winding the spring 831 gradually weakens and disappears, so that the wound spring 831 gradually loosens to generate corresponding power to drive the winding wheel 832 to wind up the wire 82, when the umbrella is completely folded, the spring 831 returns to a relaxed state, and the redundant wire 82 is wound up to the winding wheel 832 of the winding mechanism 83, so that the pull rope 95 and the umbrella opening spring 30 in the middle stick group 2 cannot be influenced, and the stability and the reliability of the opening and closing of the umbrella are ensured.

To sum up, the utility model discloses an electric umbrella, through setting up motor 81 in last nest 3 department, and motor 81 passes through electric wire 82 and locates the control assembly 7 electric connection in umbrella stick 5, and electric wire 82 wears to locate in excellent group 2, when the parachute kit is opened, well excellent group 2 length can change, so the one end of electric wire 82 is fixed in outer tube 21 upper end, a take-up mechanism 83 is connected to the other end, take-up mechanism 83 carries out the receipts and payoff to electric wire 82, so that the length change of excellent group 2 in the cooperation of electric wire 82, this electric wire 82 can be long straight form and wear to locate in excellent group 2 promptly, need not be the spring electric wire as current design, just can not occupy too many spaces in excellent group 2, can avoid the installation difficulty, and avoid the condition emergence of electric wire 82 and parachute opening spring 30 or stay cord 95 mutual interference.

As mentioned above, the present invention is only a preferred embodiment, and therefore the scope of the present invention can not be limited thereby, for example, the spring 831 is used to provide a rotational force to the winding wheel 832 for winding or unwinding, so that the spring can be replaced by other elastic devices to provide a corresponding rotational force to the winding wheel 832. For another example, the first pulley 94 is disposed on the lower nest 4 for the pull rope 95 to go around, so as to save more labor when opening and closing the umbrella, and is mainly used for assisting the movement of the lower nest 4, so the lower nest 4 may not be disposed with the first pulley 94, but with a sliding device such as a corresponding sliding block, and the sliding device for the pull rope 95 to go around the lower nest after going around the driving wheel 91 is fixed above the middle rod group 2, and at this time, when opening and closing the umbrella, the pull rope 95 can slide on the sliding device, and also has a function of moving the lower nest 4. For another example, the middle rod group 2 is not limited to three-section sleeve joint, and can be a multi-section sleeve pipe with four sections, five sections and the like; the motor 81 can be disposed above the middle rod set, i.e. not only in the upper nest 3, but also in the upper end of the outer tube 21, the upper end of the corresponding electric wire 82 can also be fixed in the upper end of the outer tube 21, and the driving wheel 91 can also be disposed in the upper end of the outer tube 21, one end of the pulling rope 95 can be fixed in the umbrella handle 5 below the middle rod set, and the other end of the pulling rope can penetrate through the inside of the middle rod set 2 and finally can be fixed in the upper end of the outer tube 21 above the middle rod set 2 or the upper nest 3. The equivalent changes and modifications made in the claims and the contents of the specification should be within the scope of the present invention.

Claims

1. An electric umbrella, comprising: the umbrella comprises an umbrella framework, umbrella cloth fixed on the umbrella framework, a middle rod group, an upper nest, a lower nest, an umbrella handle and an umbrella opening and closing control mechanism;

the control assembly is arranged on the umbrella handle, the power assembly comprises a motor, the motor is arranged above the middle rod group, and the driving assembly comprises a driving wheel, a sliding device and a pull rope; the driving wheel is arranged above the middle rod group and is linked with the motor, the sliding device is arranged on the lower nest, one end of the pull rope is fixed below the middle rod group, and the other end of the pull rope sequentially bypasses the driving wheel and the sliding device after penetrating through the interior of the middle rod group and is finally fixed above the middle rod group; the method is characterized in that:

2. An umbrella as claimed in claim 1, wherein: the elastic device is a clockwork spring, the take-up pulley is coupled to a clockwork spring shaft, and the take-up pulley can rotate along with the tightening and loosening of the clockwork spring.

3. An umbrella as claimed in claim 1, wherein: the motor and the driving wheel are arranged in the upper nest above the middle rod group, and the sliding device is a first pulley.

4. An umbrella as claimed in claim 1, wherein: the middle rod group comprises three sections of sleeves, namely an outer tube, a middle tube and an inner tube; the upper nest is fixed at the upper end of the outer tube, and the lower nest is slidably sleeved on the outer tube of the middle rod group.

5. An umbrella as claimed in claim 1, wherein: a supporting part can be arranged below the middle rod group and can be inserted into the lower end of the middle rod group, the umbrella handle can be fixed with the middle rod group through the supporting part, and the electric wire penetrates through the supporting part, is fixed with a take-up pulley of the take-up mechanism and is electrically connected with the control assembly; the end of the pull rope below the middle rod group is fixed on the bearing part, and the other end of the pull rope penetrates through the interior of the middle rod group and then sequentially bypasses the driving wheel and the sliding device to be fixed on the upper nest.

6. An umbrella as claimed in claim 1, wherein: the control assembly comprises a button for controlling the opening and closing of the umbrella, a control circuit board, a battery and a charging interface, the control circuit board is electrically connected with the button, the battery and the charging interface respectively, the battery is a rechargeable battery, the charging interface is used for charging the battery, the button is exposed on the outer surface of the umbrella handle, and the lower end of the electric wire is electrically connected with the control circuit board.

7. An umbrella as claimed in claim 6, wherein: the button is including opening the umbrella button and receiving the umbrella button, respectively electric connection control circuit board, and the button of opening the umbrella is used for driving motor corotation, receives the umbrella button and is used for driving motor reversal.

8. An umbrella as claimed in claim 7, wherein: the middle rod group comprises three sections of sleeves, namely an outer tube, a middle tube and an inner tube; the umbrella opening button is linked with a locking mechanism arranged on the upper part of the umbrella handle, and the lower end of the outer tube is provided with a clamping block which is matched with the locking mechanism.

9. An umbrella as claimed in claim 1, wherein: the driving assembly further comprises a first gear and a worm, the driving wheel is connected with the first gear through a connecting rod in a shaft mode, the worm is linked with the motor, and the worm is meshed with the first gear.

10. An umbrella as claimed in any one of claims 1 to 9, wherein: an umbrella opening spring is arranged in the middle rod group, the upper end of the umbrella opening spring abuts against an upper nest at the upper end of the middle rod group, the other end of the umbrella opening spring abuts against the lower part of the middle rod group, and the pull rope and the electric wire penetrate through the spring; an umbrella folding spring is arranged on the umbrella framework and connected with each umbrella rib.