CN211369699U - electric sunshade - Google Patents

Abstract

The utility model discloses an electric sunshade umbrella, which comprises a telescopic rod, a driving mechanism and a tarpaulin; the awning cloth comprises at least two sections of coaxial sleeves, and the adjacent sleeves can slide and stretch; the driving mechanism at least comprises a toothed belt, a power unit and a driving piece, and when the power unit drives the driving piece to rotate, the power unit pulls the toothed belt to enable the sleeve to selectively retract or extend; the tarpaulin is connected with the sleeve pipe, and the tarpaulin is unfolded or retracted along with the extension of the sleeve pipe. The toothed belt is pulled by the power unit to complete the retraction or extension of the sleeve, so that the tarpaulin is connected with the sleeve to retract or extend the tarpaulin along with the retraction of the sleeve; therefore, the driving mechanism is simple in structure, the parts are skillfully and reasonably arranged, the volume and the weight of the automatic sunshade can be reduced, the storage and the use are more convenient, the current miniaturization development trend is met, and the popularization and the application are facilitated; meanwhile, the electric sunshade umbrella with a simple structure can improve the stability and reliability in use.

Description

electric sunshade

technical field

The utility model relates to the technology in the field of sunshades, in particular to an electric sunshade, which is mainly suitable for vehicle use.

Background technique

With the development of the economy and the improvement of people's living standards, private cars have entered thousands of households as an advanced means of transportation. In daily life, cars are often parked in the open air. After high temperature exposure in summer, the temperature inside the car will reach above 70 degrees Celsius. Before driving, it is necessary to ventilate and cool down for a period of time. At the same time, it will cause the interior accessories to accelerate aging and release a large amount of gas. In order to To protect the car, umbrellas or car clothing are generally used for protection and cooling.

However, most of the existing sunshades are designed by manual retraction or purely mechanical design; however, the structure of this type of sunshade is generally complicated and the overall volume is large; It is particularly inconvenient, not easy to store, and does not conform to the current miniaturization development trend; and its structure itself is complex, and the stability and reliability of use are also poor.

Utility model content

In view of this, the main purpose of the present invention is to provide an electric sunshade with simple structure, few parts, small volume and convenient storage.

To achieve the above object, the present invention adopts the following technical scheme:

An electric sunshade includes

a telescopic rod, which is composed of at least two coaxial sleeves, and the adjacent sleeves can be slidably telescopic;

A driving mechanism includes at least one toothed belt, a power unit and a driving member; one end of the toothed belt is connected to a sleeve, and when the power unit drives the driving member to rotate, the toothed belt is pulled so that the sleeve can be selectively retracted back or out.

A tarpaulin is connected to the casing; the tarpaulin is unfolded or retracted with the extension of the casing.

As a preferred solution: the toothed belt is wound on the outer circumference of the driving member, and the inner side of the toothed belt has first meshing teeth arranged along its extending direction; the driving member is provided with second meshing teeth, the A meshing tooth is matched with the second meshing tooth; the power unit is connected with the driving member, and when the driving member rotates, the toothed belt is pulled so that the sleeve can be retracted or extended selectively.

As a preferred solution: the driving member includes an upper driving wheel and a lower driving wheel, the lower driving wheel is provided with a clutch structure, and the upper driving wheel can be rotatably installed on the clutch structure; the second meshing teeth are provided on the upper driving wheel The power unit is connected to the lower driving wheel; the upper driving wheel rotates synchronously with the lower driving wheel, and when the maximum extension and/or maximum retraction amount is reached, the clutch structure of the lower driving wheel is separated from the upper driving wheel to An idling state in which the lower driving wheel rotates relative to the upper driving wheel is formed.

As a preferred solution, a storage member for accommodating the toothed belt is arranged above the driving member, and the toothed belt is accommodated in the toothed belt storage member when retracted.

As a preferred solution, a pressing wheel is provided on the side of the driving member, and the toothed belt is located between the pressing wheel and the driving member.

As a preferred solution, the toothed belt can be selectively accommodated in the sleeve, and the end of the toothed belt is connected to the endmost sleeve.

As a preferred solution: it further includes a casing, the casing is composed of a bottom casing and an upper cover; the driving mechanism and the first sleeve are arranged in the casing.

As a preferred solution: a storage bag is further included, and the cabinet and the tarpaulin can be selectively stored in the storage bag.

As a preferred solution, a base is installed at the bottom of the storage bag, and the base is provided with a guide post; the bottom of the casing is provided with a cylinder, and the cylinder can be movably installed on the guide post.

As a preferred solution: the bottom of the base is exposed at the bottom of the storage bag, and the bottom of the base is also provided with a suction cup.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solutions that the telescopic rod can be driven by the driving mechanism to extend or extend through the provided telescopic rod, the driving mechanism and the tarpaulin. Retracted, so that the tarpaulin connected to the telescopic rod can be unfolded or retracted; compared with the previous sunshades that need to be manually retracted, it is more convenient to use;

In addition, the drive mechanism is mainly composed of two key components, the power unit and the toothed belt. The toothed belt is connected to the sleeve of the telescopic rod, and the power unit is used to pull the toothed belt to complete the retraction or extension of the sleeve, so that the tarpaulin can be retracted or extended. By connecting the sleeve, the tarpaulin can be retracted back to the tarpaulin or extended to unfold the tarpaulin with the sleeve; it can be seen that the structure of the driving mechanism is simple, the parts are set ingeniously and reasonably, and the volume and weight of the automatic sunshade can be reduced. It makes storage and use more convenient, conforms to the current miniaturization development trend, and is conducive to popularization and application; at the same time, the electric sunshade with a simple structure can improve the stability and reliability during use.

In order to illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Description of drawings

FIG. 1 is a schematic three-dimensional structure diagram of an electric telescopic rod according to a preferred embodiment of the present invention.

2 is a schematic structural diagram of the electric telescopic rod opening the upper cover according to the preferred embodiment of the present invention.

FIG. 3 is an exploded view of the electric telescopic rod according to the preferred embodiment of the present invention.

FIG. 4 is an enlarged schematic view at A of FIG. 3 .

FIG. 5 is a schematic structural diagram of a driving member of a preferred embodiment of the present invention.

FIG. 6 is an exploded view of the drive member of FIG. 5 .

FIG. 7 is a cross-sectional view of the driver of FIG. 5 .

FIG. 8 is a schematic diagram of a state in which the telescopic rod is extended according to the preferred embodiment of the present invention.

FIG. 9 is a schematic diagram of the state where the tarpaulin is opened according to the preferred embodiment of the present invention.

FIG. 10 is another perspective view of FIG. 9 .

Description of drawings:

10. Telescopic rod 11. Sleeve

20. Drive mechanism 21. Toothed belt

211, the first meshing tooth 22, the power unit

221, motor 222, reduction gear

23. Driving part 230, the second meshing tooth

231, upper driving wheel 232, lower driving wheel

24. Clutch structure 241 bullet blocks

242, spring 25, storage parts

251, silo body 26, pressing wheel

27. Chassis 271. Bottom case

272, upper cover 273, cylinder

28. Connecting gears 29. PCB control board

200, battery 30, tarpaulin

40. Storage bag 411. Guide post

412. Suction cups.

Detailed ways

Please refer to FIGS. 1 to 10 , which show the specific structure of a preferred embodiment of the present invention, which is an electric sunshade, including a telescopic rod 10 , a driving mechanism 20 and a tarpaulin 30 .

The telescopic rod 10 is composed of at least two coaxial sleeves 11, and the adjacent sleeves 11 can be moved and retracted. The driving mechanism 20 includes at least one toothed belt 21, a power unit 22 and a driving member 23; wherein, the toothed belt 21 is wound around the outer circumference of the driving member 23, and the inner side of the toothed belt 21 has A first meshing tooth 211 is provided along its extending direction; the driving member 23 is provided with a second meshing tooth 230, the first meshing tooth 211 is matched with the second meshing tooth 230; the power unit 22 is connected to the driving member 23, and the driving member 23 pulls the toothed belt 21 so that the sleeve 11 can be selectively retracted or extended. It can be seen that the structure of the electric telescopic rod is very simple. Compared with the traditional electric telescopic rod structure, its structure is simpler. Umbrellas and other products; and the electric telescopic rod with a simple structure has better telescopic effect and is easy to achieve, and its stability and reliability during use are higher.

In the embodiment of the present application, the driving member 23 includes an upper driving wheel 231 and a lower driving wheel 232, the lower driving wheel 232 is provided with a clutch structure 24, and the upper driving wheel 231 is rotatably mounted on the clutch structure 24; the The second meshing teeth 230 are arranged on the upper driving wheel 231 , and the power unit 22 is connected to the lower driving wheel 232 . Specifically, the upper driving wheel 231 rotates synchronously with the lower driving wheel 232, and at the maximum extension and/or maximum retraction amount, the clutch structure 24 of the lower driving wheel 232 is disengaged from the upper driving wheel 231 to form the lower driving wheel 231. The driving wheel 232 rotates relative to the idling state of the upper driving wheel 231 . Therefore, it is possible to prevent the toothed belt 21 and the sleeve 11 from being damaged when the power unit 22 continues to work at the maximum extension and/or maximum retraction. Specifically, the clutch structure 24 includes two elastic blocks 241 and a spring 242 abutting between the two elastic blocks 241. The spring 242 can make the elastic blocks 241 abut against the inner wall of the upper driving wheel 231; if When the maximum extension and/or maximum retraction occurs, the pressing force of the spring 242 will be less than the force of the telescopic rod 10 when the maximum extension and/or maximum retraction occurs, so that the upper driving wheel 231 and the lower The idling phenomenon occurs between the drive wheels 232 .

A storage member 25 for accommodating the toothed belt is arranged above the driving member 23 , and the storage member 25 has a box body 251 with an opening facing downward; In the bin body 251; specifically, one end of the toothed belt 21 is connected to the top of the bin body 251, so that when the driving member 23 rotates, the receiving member 25 can rotate synchronously; when retracting the toothed belt 21, The toothed belt 21 can be accommodated in the bin body 251 along with the rotation of the storage member 25 . In addition, a pressing wheel 26 is provided on the side of the driving member 23, and the pressing wheel 26 is at the same height as the upper driving wheel 231; the toothed belt 21 is located between the pressing wheel 26 and the driving member 23. . And, the toothed belt 21 can be selectively accommodated in the sleeve 11 , and the end of the toothed belt 21 is connected to the endmost sleeve 11 . Through the provided pressing wheel 26, when the telescopic rod 10 is extended, the toothed belt 21 can be accurately inserted into the sleeve 11; and, when the telescopic rod 10 is retracted, the toothed belt 21 can be turned toward the warehouse in sequence body 251.

The power unit 22 includes a motor 221 and a reduction gear 222 , the outer surface of the lower driving wheel 232 is provided with convex teeth matching the reduction gear 222 , and the motor 221 is connected to the lower driving wheel 232 through the reduction gear 222 . Power is provided to lower drive wheels 232 .

It further includes a casing 27, the casing 27 is composed of a bottom casing 271 and an upper cover 272; the driving mechanism 20 and the first sleeve 11 are provided in the casing 27 for protection.

In the embodiment of the present application, there are four telescopic rods 10 , and a power unit 22 is used to drive each two telescopic rods 10 . Specifically, between every two driving members, the connecting gear 28 is connected to the lower driving wheels 232 of the two driving members 23, and the power unit 22 is connected to one of the lower driving wheels 232 to drive the two driving members at the same time. 23 to work, this structure can reduce the number of parts. The four telescopic rods 10 are connected to the end points of the tarpaulin 30 , and the tarpaulin 30 can be opened when the telescopic rods 10 are extended (as shown in FIG. 9 and FIG. 10 ). Moreover, a PCB control board 29 and a battery 200 are arranged in the casing 27, the battery 200 is connected to the power unit 22 to provide power for the power unit 22, and the automatic operation of the telescopic rod 10 can be realized by using the PCB control board 29 to control the working state of the power unit 22 . Of course, the tarpaulin 30 can also be opened and folded by arranging one or two or three or other numbers of telescopic rods 10. These changes usually depend on the specific shape and size of the sunshade. Therefore, the sunshade The umbrella is not limited to the case of this embodiment.

Further, a storage bag 40 is included. When the tarpaulin 30 is retracted, the cabinet and the tarpaulin can be stored in the storage bag 40 by using the storage bag. In the embodiment of the present application, a base 41 is installed at the bottom of the storage bag 40 , and the base 41 is provided with a guide post 411 ; If it is necessary to open the tarpaulin 30, move the casing 27 upward to expose the outside of the storage bag 40, and then drive the telescopic rod 10 to work; if the tarpaulin 30 is retracted, move the casing 27 downward and store it, and then The tarpaulin 30 and the casing 27 are stored in the storage bag 40; of course, when in use, for example, the electric sunshade is placed on the roof, the casing 27 is moved upward to reveal the outside of the storage bag 40, and after the tarpaulin 30 is opened , The tarpaulin 30 can have a certain distance from the roof, which can improve the cooling effect and make the sunshade effect better. The provided storage bag 40 can make the entire electric sunshade easy to carry and to store the tarpaulin 30 . And the bottom of the base 41 is exposed at the bottom of the storage bag 40, and the bottom of the base 41 is also provided with a suction cup 412; when using the electric sunshade, the suction cup 412 can be used to adsorb on the corresponding object to ensure that the electric sunshade is not easily affected by the outside. The influence of factors makes the use unreliable.

The key point of the design of the present invention is that: the telescopic rod 10 can be driven by the driving mechanism 20 to extend or retract through the provided telescopic rod 10 , the driving mechanism 20 and the tarpaulin 30 , so that the tarpaulin connected to the telescopic rod 10 can be made to extend or retract. 30 can be unfolded or retracted; compared with the previous sunshades that need to be manually retracted, it is more convenient to use;

In addition, the driving mechanism 20 is mainly composed of two key components, a power unit 22 and a toothed belt 21. The toothed belt 21 is connected to the sleeve 11 of the telescopic rod 10, and the power unit 22 is used to pull the toothed belt 21 to complete the shrinkage of the sleeve 11. In this way, connecting the tarpaulin 30 to the sleeve 11 can make the tarpaulin 30 retract back into the tarpaulin 30 with the sleeve 11 or extend and unfold the tarpaulin 30; it can be seen that the structure of the driving mechanism 20 is simple, The ingenious and reasonable setting of parts can reduce the volume and weight of the automatic sunshade, make storage and use more convenient, conform to the current miniaturization development trend, and facilitate popularization and application; at the same time, the structure of the electric sunshade is simple, which can improve the stability during use and reliability.

The above descriptions are only preferred embodiments of the present invention, and do not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention , all still belong to the scope of the technical solution of the present invention.

Claims (10)

1. a kind of electric sunshade is characterized in that: including having A telescopic rod (10), comprising at least two coaxial sleeves (11), and adjacent sleeves (11) can be slidably telescopic; A driving mechanism (20), comprising at least one toothed belt (21), a power unit (22) and a driving member (23); one end of the toothed belt (21) is connected to the sleeve (11), the power When the unit (22) drives the driving member (23) to rotate, the toothed belt (21) is pulled so that the sleeve (11) can be selectively retracted or extended; A tarpaulin (30) is connected to the sleeve (11); the tarpaulin (30) is unfolded or retracted into the tarpaulin (30) with the extension of the sleeve (11). 2 . The electric sunshade according to claim 1 , wherein the toothed belt ( 21 ) is wound around the outer circumference of the driving member ( 23 ), and the inner side of the toothed belt ( 21 ) has an extension along it. 3 . A first meshing tooth (211) is arranged in the direction; the driving member (23) is provided with a second meshing tooth (230), and the first meshing tooth (211) is matched with the second meshing tooth (230); the power unit ( 22) The driving member (23) is connected, and when the driving member (23) rotates, the toothed belt (21) is pulled so that the sleeve (11) can be retracted or extended selectively. 3. The electric sunshade according to claim 2, characterized in that: the driving member (23) comprises an upper driving wheel (231) and a lower driving wheel (232), and the lower driving wheel (232) is provided with a clutch Structure (24), the upper driving wheel (231) is rotatably mounted on the clutch structure (24); the second meshing teeth (230) are arranged on the upper driving wheel (231), and the power unit (22) is connected to the lower driving wheel (232); the upper driving wheel (231) rotates synchronously with the lower driving wheel (232), and the clutch structure (24) of the lower driving wheel (232) at the maximum extension and/or maximum retraction The upper driving wheel (231) is disengaged to form an idling state in which the lower driving wheel (232) rotates relative to the upper driving wheel (231). 4. The electric sunshade according to claim 2 or 3, characterized in that: a storage member (25) for accommodating a toothed belt is arranged above the driving member (23), and the toothed belt (21) is retracted When stored in the toothed belt storage part (25). 5. The electric sunshade according to claim 2 or 3, characterized in that: a pressing wheel (26) is provided on the side of the driving member (23), and the toothed belt (21) is located in the pressing wheel (26). between the wheel (26) and the drive (23). 6. The electric parasol according to claim 1, characterized in that: the toothed belt (21) can be selectively accommodated in the sleeve (11), and the ends of the toothed belt (21) are connected The endmost sleeve (11). 7. The electric sunshade according to claim 1, characterized in that: it further comprises a casing (27), and the casing (27) is composed of a bottom casing (271) and an upper cover (272); the drive The mechanism (20) and the first sleeve (11) are arranged in the casing (27). 8. The electric sunshade according to claim 7, characterized in that it further comprises a storage bag (40), and the casing (27) and the tarpaulin (30) can be selectively stored in the storage bag (40) middle. 9 . The electric sunshade according to claim 8 , characterized in that: a base ( 41 ) is installed at the bottom of the storage bag ( 40 ), and the base ( 41 ) is provided with a guide post ( 411 ); the casing ( 27) A cylindrical body (273) is provided at the bottom, and the cylindrical body (273) is movably installed on the guide post (411). 10 . The electric sunshade according to claim 9 , wherein the bottom of the base ( 41 ) is exposed at the bottom of the storage bag ( 40 ), and the bottom of the base ( 41 ) is further provided with a suction cup ( 412 ). 11 .

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