Large-size membrane structure folding umbrella with double folding mechanisms

Abstract

The utility model provides a large-size membrane structure folding umbrella with a double folding mechanism, which can be adapted to a large-size sunshade pavilion structure with the height range of more than 5 meters and even 20 meters, and mainly comprises a support column and an umbrella stand, the outer side of the umbrella stand is connected through a main body membrane in a membrane structure, and the outer side of the umbrella stand is connected with the main body membrane. A membrane structure is used for replacing a traditional steel structure and a traditional plate structure to serve as sun shading and rain sheltering, installation is easy, folding is easy in the later period, the folding umbrella comprises two folding mechanisms, namely the upper folding umbrella frame and the lower folding umbrella frame, the upper folding umbrella frame provides power through upward or downward stretching of a power rod, the upper folding umbrella frame is hinged to the lower folding umbrella frame, and the lower folding umbrella frame is hinged to the upper folding umbrella frame. When the upper folding umbrella stand stretches out and draws back along with the power rod, the outer cantilever beam in the lower folding umbrella stand can be driven to stretch out and draw back up and down so as to complete folding and unfolding, the whole structure is simple, installation is easy, a street lamp installation mode can be adopted for installation, and flexibility is high.

Description

Technical Field

[0001] The utility model relates to the technical field of folding umbrellas, in particular to a large-size membrane structure folding umbrella with a double folding mechanism. Background Art

[0002] Parasols are widely used in modern garden design, park design, seaside sun protection design, and many catering sun protection and rain protection aspects. However, traditional parasols of this type are mostly fixed in shape. On the one hand, such parasols are expensive and difficult to install. At the same time, they cannot be moved and have poor flexibility. This type of fixed parasol has poor wind resistance when encountering strong winds and typhoons, especially in the design of seaside sun protection structures. Traditional foldable parasols, because they need to be opened and closed manually, their maximum size basically does not exceed 5 meters in height. For the custom design of parasols that need to exceed 5 meters, or even 10 meters or 20 meters, how to fold the large-sized beams is another technical problem, and what kind of sun protection and rain protection structure to use is also a technical problem. If traditional panels are used as sunshade materials, the material properties are difficult to meet, and the engineering workload will be huge. It is also necessary to consider the folding and unfolding structure, and its assembly will be more complicated. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a large-sized membrane structure folding umbrella with a double folding mechanism to solve the technical problems mentioned in the background technology.

[0004] In order to solve the technical problem, the utility model adopts the following technical solution:

[0005] A large-size membrane structure folding umbrella with a double folding mechanism comprises a support column, a main membrane and an umbrella frame, wherein the umbrella frame is movably mounted on the support column, and the upper and lower ends of the main membrane are connected to the umbrella frame and are opened and closed in conjunction with the umbrella frame. The upper end of the support column is also telescopically connected to a power rod, and the power rod relies on a power device arranged on the inner side of the support column to provide power for lifting and lowering. The umbrella frame comprises an upper folding umbrella frame and a lower folding umbrella frame, one end of the upper folding umbrella frame is hinged to the upper end of the power rod, and the other end is hinged to one end of the lower folding umbrella frame, and the upper and lower ends of the lower folding umbrella frame are telescopically sleeved on the support column and rely on the upper support umbrella frame to provide power for folding and unfolding.

[0006] Specifically, the upper folding umbrella frame includes an upper connection disk and an upper support rod, the lower folding umbrella frame includes a cantilever beam, a lower support rod and a lower connection disk. The upper connection disk is fixedly connected to the upper end of the power rod. The upper end of the upper support rod is hinged to the upper connection disk, and the lower end is hinged to the cantilever beam. The inner side of the cantilever beam is hinged to the beam connection disk. The upper end of the lower support rod is hinged to the other side of the cantilever beam, and the lower end is hinged to the lower connection disk. Both the beam connection disk and the lower connection disk are sleeved on the support column.

[0007] Specifically, the cantilever beam includes an outer folding part and an inner folding part, which are hinged through a first hinge point. The upper end of the lower support rod is hinged to the cantilever beam through a second hinge point, and the lower end is hinged to the lower connection disk through a third hinge point. The inner side of the cantilever beam is hinged to the beam connection disk through a fourth hinge point. The upper end of the upper support rod is hinged to the upper connection disk through a fifth hinge point, and the lower end is hinged to the cantilever beam through a sixth hinge point.

[0008] Specifically, the power device is a hydraulic cylinder assembly, including an oil cylinder and an oil pipe. The oil pipe includes an input oil pipe and an output oil pipe. The output end of the oil cylinder is connected to the power rod. Both the input oil pipe and the output oil pipe are connected to an oil station or an oil pump to provide power for the oil cylinder.

[0009] Specifically, the power device is a motor screw rod assembly, including a stepping motor and a screw rod. The upper end of the screw rod is fixedly connected to the power rod, and the lower end is connected to the stepping motor. The stepping motor is a through screw type stepping motor.

[0010] Specifically, the outer ring of the main body film is connected to the outer side of the cantilever beam through a film fixing mechanism, and the inner ring is fixed by a bottom clamping disk. The bottom clamping disk is arranged at the lower end of the lower connection disk and is linked with it. The film fixing mechanism includes a film fixing connecting plate, a film fixing cover plate, an adjusting bolt, a U-shaped clamp and a connecting piece. One end of the connecting piece is fixedly connected to the lower end of the outer side of the cantilever beam, and the other end is hinged to the U-shaped clamp. The other end of the U-shaped clamp has a first through hole. One end of the film fixing connecting plate has a second through hole. The adjusting bolt is installed and connected in the first through hole and the second through hole to adjust and tighten the film main body. The other end of the film fixing connecting plate forms a film fixing end face. The film main body is clamped between the film fixing end face and the film fixing cover plate. Both the film fixing connecting plate and the film fixing cover plate are provided with film fixing holes. The fixing screws pass through the film fixing through holes and the film main body at the same time to complete the clamping of the film main body.

[0011] Specifically, the film main body includes a main film layer and side ropes. The outer edge of the main film layer is adhesively bonded with side ropes in a wrapping manner. The two sides of the film fixing connecting plate are also provided with cable sleeves for fixing the side ropes. The cable sleeve is a C-shaped cable sleeve with an opening.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] The utility model provides a large-sized membrane structure folding umbrella with a double folding mechanism, which can be adapted to large-sized sunshade pavilion structures with a height range exceeding 5 meters, even up to 20 meters. It mainly consists of a support column and an umbrella frame. The outside of the umbrella frame is connected by a main membrane in the membrane structure. The membrane structure is used to replace the traditional steel structure and plate structure for sunshading and rain protection. It is relatively easy to install and can be easily folded later. In this folding umbrella, there are two folding mechanisms, namely an upper folding umbrella frame and a lower folding umbrella frame. Among them, the upper folding umbrella frame relies on the upward or downward telescoping of a power rod to provide power. The upper folding umbrella frame is hinged to the lower folding umbrella frame. When the upper folding umbrella frame telescopes up and down with the power rod, it will also drive the outrigger beam in the lower folding umbrella frame to telescope up and down to complete folding and unfolding. The overall structure is simple and easy to install. It can be installed in the form of installing street lights, with high flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 : Schematic diagram of the overall structure of the utility model patent (umbrella frame in the unfolded state);

[0015] Figure 2 : is Figure 1 Hidden main membrane state diagram in

[0016] Figure 3 : Schematic diagram of the installation of the power device of the hydraulic cylinder embodiment in the utility model patent;

[0017] Figure 4 : is Figure 2 State diagram when the umbrella frame in is merged to half;

[0018] Figure 5 : is Figure 1 State diagram when the umbrella frame in is completely merged;

[0019] Figure 6 : is Figure 1 Bottom angle three-dimensional diagram in ;

[0020] Figure 7 : is Figure 2 Bottom angle three-dimensional diagram;

[0021] Figure 8 : is Figure 4 Bottom angle three-dimensional diagram;

[0022] Figure 9 : is Figure 1 Enlarged view of part A in ;

[0023] Figure 10 : is Figure 9 Schematic diagram of the fixed membrane mechanism 5 from the top view angle in ;

[0024] In the figure: support column 10, main membrane 20, umbrella frame 30, power rod 1, power device 2, upper folding umbrella frame 3, lower folding umbrella frame 4, upper connecting plate 31, upper support rod 32, outer cantilever beam 41, lower support rod 42, lower connecting plate 43, outer folding part 411, inner folding part 412, first hinge point 301, second hinge point 302, third hinge point 303, fourth hinge point 304, fifth hinge point 305, sixth hinge point 306, film fixing mechanism 5, bottom clamping plate 431, film fixing connecting plate 51, film fixing cover plate 52, adjusting bolt 53, U-shaped clamp 54, connecting plate 55, first through hole 541, second through hole 511, fixing hole 521, rope sleeve 512, cantilever beam connecting plate 401. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0026] refer to Figures 1 to 10 :

[0027] The utility model discloses a large-size membrane structure folding umbrella with a double folding mechanism, comprising a support column 10, a main body membrane 20 and an umbrella frame 30, wherein the umbrella frame 30 is movably mounted on the support column 10, and the upper and lower ends of the main body membrane 20 are connected to the umbrella frame 30 and are opened and closed in conjunction with the umbrella frame 30, and the upper end of the support column 10 is also telescopically connected to a power rod 1, that is, the power rod 1 is sleeved or plugged into the outer side or inner side of the upper end of the support column 10, and the power rod 1 relies on a power device 2 arranged on the inner side of the support column 10 to provide power for lifting relative to the support column 10, and the umbrella frame 30 comprises an upper folding umbrella frame 330 and a lower folding umbrella frame 430, one end of the upper folding umbrella frame 330 is hinged to the upper end of the power rod 1, and the other end is hinged to one end of the lower folding umbrella frame 430, and the upper and lower ends of the lower folding umbrella frame 430 are both hinged. The telescopic umbrella frame is sleeved on the support column 10 and relies on the upper support umbrella frame 30 to provide power for folding and unfolding. Specifically, the upper folding umbrella frame 330 includes an upper connecting plate 31 and an upper support rod 32, and the lower folding umbrella frame 430 includes an outer cantilever beam 41, a lower support rod 42 and a lower connecting plate 43. The upper connecting plate 31 is fixedly connected to the upper end of the power rod 1, the upper end of the upper support rod 32 is hinged to the upper connecting plate 31, and the lower end is hinged to the upper end surface of the outer cantilever beam 41 near the inner end, the inner side / inner end of the outer cantilever beam 41 is hinged to the cantilever beam connecting plate 401, the upper end of the lower support rod 42 is hinged to the bottom end surface of the outer cantilever beam 41 near the outer end, and the lower end is hinged to the lower connecting plate 43, the cantilever beam connecting plate 401 and the lower connecting plate 43 are both sleeved on the support column 10, and the cantilever beam connecting plate 401 is located at the upper end of the lower connecting plate 43.

[0028] The cantilever beam 41 includes an outer folding portion 411 and an inner folding portion 412. The outer folding portion 411 and the inner folding portion 412 are hinged through a first hinge point 301. In a specific installation structure, the upper end of the lower support rod 42 is hinged to the outer folding portion 411, and the outer folding portion 411 is hinged to the inner folding portion 412. Therefore, there are two hinge points on the cantilever beam 41. The upper end of the lower support rod 42 is hinged to the cantilever beam 41 through a second hinge point 302, and the lower end is hinged to the lower connection disk 43 through a third hinge point 303. The inner side of the cantilever beam 41 is hinged to the cantilever connection disk 401 through a fourth hinge point 304. The upper end of the upper support rod 32 is hinged to the upper connection disk 31 through a fifth hinge point 305, and the lower end is hinged to the cantilever beam 41 through a sixth hinge point 306. All the above hinge points are rotatable structures. For example, a rotating shaft is installed in the middle of both sides. In the first hinge point 301, the hinged parts of the outer folding portion 411 and the inner folding portion 412 are prone to cross. Here, the diameters between the outer folding portion 411 and the inner folding portion 412 can be made different, and one side can wrap the other side to solve the crossing problem.

[0029] Specifically, the power device 2 is a hydraulic cylinder assembly, including a hydraulic cylinder and oil pipes. The oil pipes include an input oil pipe and an output oil pipe. The output end of the hydraulic cylinder is connected to the power rod 1 (or the hydraulic cylinder is directly integrally formed with the power rod, or the power rod is directly used as a piston-type hydraulic cylinder). The input oil pipe and the output oil pipe are both connected to an oil station or an oil pump to provide power for the oil cylinder. During installation, the hydraulic cylinder mechanism is installed inside the support column 10 in advance, and the power rod 1 is installed under the condition of meeting the sealing requirements. At the same time, the input oil pipe and the output oil pipe are buried underground. The support column 10 adopts a buried installation structure, and finally tightened with bolts. Specifically, the installation method of street lights can be referred to.

[0030] In other alternative embodiments, the power device 2 is a motor screw rod assembly (not shown in the figure), including a stepping motor and a screw rod / screw. The upper end of the screw rod is fixedly connected to the power rod 1, and the lower end is connected to the stepping motor. The stepping motor preferably adopts a through screw type stepping motor. The stepping motor is installed inside the support column 10. The rotation of the stepping motor can drive the screw rod to slide up and down, thereby driving the upper power rod 1 to expand and contract.

[0031] Specifically, the outer ring of the main body film 20 is connected to the outer side of the outer cantilever beam 41 through the film fixing mechanism 5, and the inner ring is fixed by the bottom chuck 431. The bottom chuck 431 is arranged at the lower end of the lower connecting plate 43 and is linked with it. Here, the lower connecting plate 43 is actually fixed on the support column 10, so the lower connecting plate 43 will not actually slide up and down. The film fixing mechanism 5 includes a film fixing connecting plate 51, a film fixing cover plate 52, an adjusting bolt 53, a U-shaped clamp 54 and a connecting piece 55. One end of the connecting piece 55 is fixedly connected to the lower outer side of the outer cantilever beam 41, and the other end is hinged to the U-shaped clamp 54. The other end of the U-shaped clamp 54 has a first through hole 541, and one end of the film fixing connecting plate 51 has a second through hole 511. The adjusting bolt 53 is installed and connected in the first through hole 541 and the second through hole 511 to adjust and tighten the film body. The other end of the film fixing connecting plate 51 forms a film fixing end face, and the film body is clamped between the film fixing end face and the film fixing cover plate 52. The film fixing connecting plate 51 and the film fixing cover plate 52 are both provided with film fixing holes 521, and the fixing screws pass through the film fixing through holes and the film body at the same time to complete the clamping of the film body.

[0032] Specifically, the film body includes a main film layer and edge ropes. The outer edge of the main film layer is wrapped and bonded with edge ropes. The edge ropes can help the main body film 20 to be stressed as a whole when being pulled, and the main body film 20 will not be torn due to the stress at individual points. The two sides of the film fixing connecting plate 51 are also provided with cable sleeves 512 for fixing the edge ropes. The cable sleeve 512 is a C-shaped cable sleeve with an opening.

[0033] The umbrella-opening principle of the present utility model:

[0034] When the umbrella frame 30 is in the closed state, the power device 2 (hydraulic cylinder / stepping motor) works, driving the upper power rod 1 to slide downward. At this time, the upper support rod 32 is driven to press downward, thereby driving the outer cantilever beam 41 to be lifted upward. Since the cantilever beam connecting plate 401 and the lower connecting plate 43 are fixed to the support column 10, that is, the cantilever beam connecting plate 401 and the lower connecting plate 43 will not slide up and down. The upward lifting of the outer cantilever beam 41 drives the lower support rod 42 at the lower end to be pulled upward (rotated upward). When the entire outer cantilever beam 41 becomes straight, at this time, after being limited, the power rod 1 stops working through the preset stroke inside the power device 2 or when the pressure sensor reaches the threshold. It should be noted that during the umbrella-opening process, the unfolding between the inner folding part 412 and the outer folding part 411 of the outer cantilever beam 41 is completed through the combined action of the lower support rod 42 and the upper support rod 32. Among them, the upper support rod 32 pulls the inner folding part 412 to rotate upward, thereby pulling the lower support rod 42 to open upward. Since the outer folding part 411 is the hinge point with the upper end of the lower support rod 42, when the upper end of the lower support rod 42 is pushed outward and upward, it will also drive the outer folding part 411 to open outward until it stops when it is completely flattened.

[0035] Principle of closing the umbrella of the present utility model:

[0036] When the umbrella frame 30 is in the open state, the power device 2 works in reverse, driving the power rod 1 at the upper end to rise, thereby pulling the upper end of the upper support rod 32 upward. Since the upper end of the upper support rod 32 moves upward, it drives the lower end thereof to move inward towards the axis of the inner support column 10, thereby lifting the outside of the inner folding part 412 of the outer cantilever beam 41 upward, thereby driving the lower support rod 42 at the lower end to close inward, and finally completing the folding of the entire umbrella frame 30. Here, it is also folded by two folding mechanisms, one is the upper folding umbrella frame 330 and the other is the lower folding umbrella frame 430. The two folding umbrella frames 30 work together to complete the opening and closing of the entire umbrella frame 30, and it is completely driven by the power device 2 without manual assistance. In principle, its height can be enlarged proportionally to exceed 20 meters.

[0037] The above-mentioned embodiments are only the preferred embodiments of the present utility model, and the scope of protection of the present utility model cannot be limited thereby. Any non-substantial changes and substitutions made by those skilled in the art based on the present utility model belong to the scope of protection required by the present utility model.

Claims

1. A large-size membrane structure folding umbrella with a double folding mechanism, comprising a support column, a main membrane and an umbrella frame, wherein the umbrella frame is movably mounted on the support column, the main membrane is connected to the umbrella frame and opens and closes in conjunction with the umbrella frame, and is characterized in that: The upper end of the support column is also telescopically connected to a power rod, and the power rod relies on a power device arranged on the inner side of the support column to provide power for lifting and lowering. The umbrella frame includes an upper folding umbrella frame and a lower folding umbrella frame. One end of the upper folding umbrella frame is hinged to the upper end of the power rod, and the other end is hinged to one end of the lower folding umbrella frame. The lower folding umbrella frame is connected to the support column and relies on the upper support umbrella frame to provide power for folding and unfolding.

2. A large-size membrane structure folding umbrella with a double folding mechanism as claimed in claim 1, characterized in that: The upper folding umbrella frame includes an upper connecting plate and an upper supporting rod, and the lower folding umbrella frame includes an outer cantilever beam, a lower supporting rod and a lower connecting plate. The upper connecting plate is fixedly connected to the upper end of the power rod, the upper end of the upper supporting rod is hinged to the upper connecting plate, and the lower end is hinged to the outer cantilever beam, the inner side of the outer cantilever beam is hinged to the cantilever beam connecting plate, the upper end of the lower supporting rod is hinged to the other side of the outer cantilever beam, and the lower end is hinged to the lower connecting plate, and the cantilever beam connecting plate and the lower connecting plate are both sleeved with the support column.

3. A large-size membrane structure folding umbrella with a double folding mechanism as claimed in claim 2, characterized in that: The cantilever beam includes an outer folding part and an inner folding part, the outer folding part and the inner folding part are hinged through a first hinge point, the upper end of the lower support rod is hinged to the outer cantilever beam through a second hinge point, and the lower end is hinged to the lower connecting plate through a third hinge point, the inner side of the outer cantilever beam is hinged to the cantilever beam connecting plate through a fourth hinge point, the upper end of the upper support rod is hinged to the upper connecting plate through a fifth hinge point, and the lower end is hinged to the outer cantilever beam through a sixth hinge point.

4. A large-size membrane structure folding umbrella with a double folding mechanism as claimed in claim 1, characterized in that: The power device is a hydraulic cylinder assembly, including a cylinder and an oil pipe, the oil pipe includes an input oil pipe and an output oil pipe, the output end of the cylinder is connected to the power rod, and the input oil pipe and the output oil pipe are both connected to an oil station or an oil pump to provide power to the cylinder.

5. The large-size membrane structure folding umbrella with a double folding mechanism as claimed in claim 1, characterized in that: The power device is a motor-screw assembly, including a stepping motor and a screw. The upper end of the screw is fixedly connected to the power rod, and the lower end is connected to the stepping motor. The stepping motor is a through-screw stepping motor.

6. A large-size membrane structure folding umbrella with a double folding mechanism as claimed in claim 2, characterized in that: The outer ring of the main membrane is connected to the outer side of the outer cantilever beam by a solid membrane mechanism, and the inner ring is fixed by a bottom clamping plate, wherein the bottom clamping plate is arranged at the lower end of the lower connecting plate and is linked thereto. The solid membrane mechanism comprises a solid membrane connecting plate, a solid membrane cover plate, an adjusting bolt, a U-shaped clamp and a connecting piece, one end of the connecting piece is fixedly connected to the lower end of the outer side of the outer cantilever beam, and the other end is hinged to the U-shaped clamp, and the other end of the U-shaped clamp has a first through hole, and one end of the solid membrane connecting plate has a second through hole, and the adjusting bolt is installed and connected to the first through hole and the second through hole for adjusting and tightening the membrane main body, and the other end of the solid membrane connecting plate forms a solid membrane end face, and the membrane main body is clamped between the solid membrane end face and the solid membrane cover plate, and the solid membrane connecting plate and the solid membrane cover plate are both provided with solid membrane fixing holes, and the fixing screws pass through the solid membrane through holes and the membrane main body at the same time to complete the clamping of the membrane main body.

7. A large-size membrane structure folding umbrella with a double folding mechanism as claimed in claim 6, characterized in that: The membrane body includes a main membrane layer and a side rope. The outer edge of the main membrane layer is bonded with a side rope. Both sides of the solid membrane connecting plate are also provided with a rope insertion sleeve for fixing the side rope. The rope insertion sleeve is a C-shaped rope sleeve with an opening.

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