Four-fold windproof umbrella ribs

The four-fold windproof umbrella rib structure addresses the portability and wind resistance challenge by employing offset joints and grooved aluminum alloy ribs, ensuring compact folding and robust wind resistance.

JP3253023UActive Publication Date: 2025-09-29XIAMEN XINHONG UMBRELLA CO LTD
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Patent Information

Application Number
JP2025002592U
Authority / Receiving Office
JP · JP
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2025-07-31
Publication Date
2025-09-29
Estimated Expiration
2035-07-31

AI Technical Summary

Technical Problem

Existing folding umbrellas face a trade-off between ultra-short folding for portability and wind resistance, with traditional wind-resistant umbrellas being bulky and heavy, while ultra-short umbrellas lack structural rigidity in windy conditions.

Method used

A four-fold windproof umbrella rib structure featuring a center rod, upper and lower links, and multiple ribs with offset joints and grooved aluminum alloy auxiliary ribs, optimized for lightweight and compact folding with enhanced wind resistance.

Benefits of technology

The innovative rib structure achieves compact folding and high wind resistance by using lightweight materials and offset joints, reducing storage volume and maintaining structural integrity in strong winds.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a four-fold windproof umbrella rib that is small in volume after folding, lightweight, and has excellent wind resistance. The four-fold windproof umbrella ribs are composed of a center rod 2, an upper web 3, a lower web 4, and multiple sets of ribs 1, each set of ribs consisting of a support rib 5 and a main rib 6, which in turn consists of four parts: a first main rib 6a, a second main rib 6b, a third main rib 6c, and a tail rib 6d. One end of the support rib and the first main rib are fixedly attached to the upper web and the lower web, respectively, and the other ends are connected to a first joint 9, and one end of the support rib and the first main rib are connected to the first joint extension end 9a. By combining the optimized structure of the offset joint and the long loop fixed to the side, the wind resistance of the umbrella ribs is improved, and the folded volume of the umbrella ribs is greatly reduced, reducing the radial stacking space, thereby resolving the contradiction between the large folding size of traditional windproof umbrellas and the lack of wind resistance of ultra-short umbrellas.
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Description

[Technical Field]

[0001] This invention belongs to the field of umbrella technology, and specifically relates to four-fold windproof umbrella ribs. [Background technology]

[0002] Umbrellas are essential for people's daily travels as a means of protection from rain and sun, and are a key element that is attracting attention for their portability and usability. Folding umbrellas are popular among the public because they are easy to store and carry.

[0003] To achieve the ultimate folding length, ultra-short folding umbrellas currently on the market often have to reduce the number of ribs or use thin materials to reduce weight and folding volume, resulting in structural compromises. However, this directly reduces the overall rigidity of the rib structure, making it difficult to withstand common windy weather. Meanwhile, traditional wind-resistant umbrellas increase strength by adding more ribs or reinforcing joints, but this significantly increases the volume and weight of the umbrella when folded, resulting in reduced portability.

[0004] Therefore, there is an urgent need in the market for an innovative folding umbrella structure that can achieve ultra-short folding while also being wind-resistant, durable, and highly portable, meeting the demand for such umbrellas. Summary of the Invention [Problem to be solved by the invention]

[0005] To solve the problems raised in the background art above, the present invention provides a four-fold windproof umbrella frame, which is small in volume and light in weight after folding, making it easy to put into a small bag, and has excellent wind resistance, allowing it to be used stably even in bad weather with strong winds and rain. [Means for solving the problem]

[0006] To achieve the above objectives, the present invention provides a four-fold windproof umbrella rib, which consists of a center rod, an upper link, a lower link, and several sets of ribs. The center rod is connected to five short tubes, and the upper link and the lower link are installed on the short tube at the first section of the upper end of the center rod. Each set of ribs is fixedly attached to the center rod by pivoting to the upper link and the lower link. Each set of ribs consists of a supporting rib and a main rib. The main rib is made up of four parts: a first main rib, a second main rib, a third main rib, and a tail rib. One end of the supporting rib and the first main rib are fixedly attached to the upper link and the lower link, respectively, and the other end is connected to a first joint. One end of the first joint is an extension structure, and one end of the supporting rib and one end of the first main rib are connected to the extension end of the first joint.

[0007] Furthermore, the first main rib is connected to the second main rib via the first joint, the second main rib is connected to the third main rib via the second joint, and the third main rib is connected to the coccyx via the third joint, and the first joint and the third joint are of a lopsided joint structure, so that when the umbrella ribs are folded, the second main rib is folded to the side of the first main rib, and the coccyx is folded to the side of the third main rib.

[0008] Furthermore, the upper nest is fixedly attached to the top of the middle rod, and the lower nest is movably fitted to the short tube of the first section of the middle rod to control the opening and folding of the ribs.

[0009] Furthermore, a short loop is connected between the adjacent end of the auxiliary rib and the second main rib to pull them together, and the auxiliary rib is made of aluminum alloy and designed in the shape of a groove, so that the short loop is stored in the groove when the umbrella rib is folded.

[0010] Furthermore, long loops are connected between the adjacent ends of the first main bone and the third main bone, and between the adjacent ends of the second main bone and the coccyx, and the long loops connecting the first main bone and the third main bone have a side-mounted structure, and the long loops are fixedly attached to the lateral sides of the second main bone via loop buckles. [Effects of the Invention]

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention achieves the dual benefits of short folding and small volume while maintaining high wind resistance through a collaborative design that optimizes the umbrella rib structure and uses lightweight materials. The umbrella ribs of this invention are made of a combination of aluminum alloy and fiber material, with the auxiliary ribs featuring an aluminum alloy groove design, which is lightweight and ensures the strength of the ribs. The groove design allows the ribs to fold when folded, reducing storage volume. The optimized structure of the offset joint and the long loop fixed on the side not only improves the wind resistance of the ribs, but also significantly reduces the folded volume of the ribs and reduces the radial stacking space. This solves the contradiction between the large folding size of traditional windproof umbrellas and the lack of wind resistance of ultra-short umbrellas. [Brief explanation of the drawings]

[0012] Other features, objects and advantages of the invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the drawings, in which: [Figure 1] FIG. 2 is a side view of the umbrella rib unfolding mechanism according to the present invention. [Figure 2] 1 is a side view of the umbrella ribs in a semi-folded state according to the present invention; [Figure 3] 1 is a schematic diagram of a portion of the three-dimensional structure of the umbrella bones of the present invention when unfolded. [Figure 4] FIG. 2 is a side view of the umbrella ribs according to the present invention when folded. [Figure 5] FIG. 2 is a plan view of a portion of the umbrella ribs according to the present invention when unfolded. [Figure 6] FIG. 2 is a bottom view of a portion of the umbrella ribs according to the present invention when unfolded. [Figure 7] FIG. 2 is a plan view of the second joint when the umbrella ribs of the present invention are unfolded. [Figure 8] FIG. 2 is a bottom view of the second joint when the umbrella ribs of the present invention are unfolded. [Figure 9] FIG. 2 is a plan view of the third joint when the umbrella ribs of the present invention are unfolded. [Figure 10] FIG. 10 is a bottom view of the third joint when the umbrella ribs of the present invention are unfolded. [Figure 11] This is an image of how the umbrella ribs of this invention respond to strong winds. DETAILED DESCRIPTION OF THE INVENTION

[0013] Hereinafter, the embodiments of the present invention will be described in detail. An example of this embodiment is shown in the drawings, and the same or similar reference numerals throughout the drawings indicate the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are illustrative and are used only to explain the present invention, and cannot be understood as limiting the present invention.

[0014] Referring to Figures 1 to 11, this invention provides a technical solution for a four-fold windproof umbrella rib, which consists of a center pole 2, an upper nest 3, a lower nest 4 and multiple sets of umbrella ribs 1. The center pole 2 is connected to five short tubes, and the upper nest 3 and the lower nest 4 are installed on the short tubes at the first section of the upper end of the center pole 2. Each set of umbrella ribs 1 is fixedly attached to the center pole 2 by pivoting to the upper nest 3 and the lower nest 4. The rib 1 consists of a secondary rib 5 and a main rib 6. The main rib 6 is made up of four parts: a first rib 6a, a second rib 6b, a third rib 6c, and a tail rib 6d. One end of the secondary rib 5 and the first main rib 6a are fixedly attached to the upper nest 3 and the lower nest 4, respectively, and the other ends are connected to a first joint 9. One end of the first joint 9 is extended, and one end of the secondary rib 5 and the first main rib 6a is connected to a first joint extension 9a. This not only improves the wind resistance of the umbrella ribs, but also prevents the ribs from becoming too heavy. When the umbrella is blown backward by strong winds, the first main rib 6a is supported by the secondary rib 5 and the first joint extension 9a and is less likely to break.

[0015] In this embodiment, the first main rib 6a is connected to the second main rib 6b via the first joint 9, the second main rib 6b is connected to the third main rib 6c via the second joint 10, and the third main rib 6c is connected to the coccyx 6d via the third joint 11. The first joint 9 and the third joint 11 are of an offset joint structure, and when the umbrella ribs are folded, the second main rib 6b is folded to the side of the first main rib 6a, and the coccyx 6d is folded to the side of the third main rib 6c.

[0016] In this embodiment, the main frame 6 is made of glass fiber or carbon fiber reinforced material.

[0017] In this embodiment, the upper nest 3 is fixedly attached to the top of the middle rod 2, and the lower nest 4 is movably fitted to the short tube of the first section of the middle rod 2, which controls the opening and folding of the umbrella ribs 1.

[0018] To reduce the thickness of the ribs when folded, short loops 7 are connected between the adjacent ends of the auxiliary ribs 5 and the second main rib 6b, and the auxiliary ribs 5 are made of aluminum alloy and designed with a groove shape, so that the short loops 7 are stored in the grooves when the ribs 1 are folded. The offset structure and groove design of this practical new model effectively reduce the thickness of the ribs when folded.

[0019] To further enhance the wind resistance of the umbrella ribs, long loops 8 are connected between the adjacent ends of the first main rib 6a and the third main rib 6c, and between the adjacent ends of the second main rib 6b and the tail rib 6d. The long loops 8 connecting the first main rib 6a and the third main rib 6c have an offset structure and are fixedly attached to the sides of the second main rib 6b via loop buckles 12. The second main rib 6b, the third main rib 6c, and the tail rib 6d also effectively dissipate the force of strong winds in cooperation with the second joint 10, the third joint 11, the short loops 7, and the long loops 8. In particular, the long loops 8, which secure the sides via the loop buckles 12, provide additional support and reinforcement to the umbrella ribs 1.

[0020] In addition, an umbrella handle 13 is connected to the bottom of the center rod 2.

[0021] Operating principle and usage process of this invention: When using this invention, the fifth-section center rod 2 and ribs 1 can be opened or closed by holding the umbrella handle 13 and pushing the lower link 4 up or down. One end of the secondary ribs 5 and the main ribs 6 are fixedly attached to the upper link 3 and the lower link 4, respectively, and the other ends are both connected to the first joint extension 9a. When the lower link 4 is pushed up, the first main rib 6a and the first joint extension 9a spread the secondary ribs 5 outward. The second main rib 6b, the third main rib 6c, and the tail rib 6d are pulled outward by the short loop 7 and the long loop 8. Similarly, when the lower link 4 is pulled downward, the first main rib 6a and the first joint extension 9a fold the secondary ribs 5 inward. The second main rib 6b, the third main rib 6c, and the tail rib 6d are pulled inward by the short loop 7 and the long loop 8.

[0022] In addition, the first joint 9, the third joint 11, and the long loop 8 connecting the first and third main ribs are of a lopsided structure. When the ribs are folded, the second main rib 6b is folded to the side of the first main rib 6a. The tailbone 6d is folded to the side of the third main rib 6c. The long loop 8 is fixedly attached to the side of the second main rib 6b via a loop buckle 12. The auxiliary ribs 5 are made of aluminum alloy and are designed with a groove shape, so that the short loop 7 is stored in the groove when the rib 1 is folded. The lopsided structure and groove design of this invention effectively reduce the thickness of the ribs when folded.

[0023] In terms of wind resistance, this invention uses a long resin joint for the first joint 9 and connects it to the first main rib 6a, improving the wind resistance of the ribs and preventing the ribs from becoming too heavy. As shown in Figure 11, when the umbrella is blown backward by a strong wind, the first main rib 6a is supported by the auxiliary ribs 5 and the first joint extension 9a and is therefore less likely to break. The second main rib 6b, the third main rib 6c, and the tail rib 6d also effectively dissipate the force of the strong wind through the cooperation of the second joint 10, the third joint 11, the short loop 7, and the long loop 8. In particular, the long loop 8, which secures the side edge via the loop buckle 12, provides additional support and reinforcement to the rib 1, further improving the wind resistance of the ribs.

[0024] The present invention can be applied to round or flat bone umbrellas when in use.

[0025] The above is merely a specific embodiment of the present invention, and the scope of protection of the present invention is not limited thereto, and any changes or substitutions that can be conceived without creative labor are also included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be equivalent to the scope of protection limited by the claims. [Explanation of symbols]

[0026] 1 Umbrella bone 2 Middle pole 3 Upper nest 4 Lower nest 5. Auxiliary bones 6 main bone 6a First main bone 6b Second main bone 6c Third main bone 6d coccyx 7 Short Loops 8 Long Loop 9 First joint 9a First joint extension end 10 Second joint 11 Third joint 12 Loop Buckle 13 Umbrella handle

Claims

1. A four-fold windproof umbrella rib, consisting of a center rod (2), an upper nest (3), a lower nest (4) and multiple sets of ribs (1), the center rod (2) is connected to five short tubes, the upper nest (3) and the lower nest (4) are installed on the short tubes at the first section at the top of the center rod (2), each set of ribs (1) is fixedly attached to the center rod (2) by pivoting to the upper nest (3) and the lower nest (4), each set of ribs (1) consists of auxiliary ribs (5) and main ribs (6), the main ribs ( The four-fold windproof umbrella ribs are characterized in that the four-fold windproof umbrella ribs (6) are composed of four parts: a first main rib (6a), a second main rib (6b), a third main rib (6c) and a tail rib (6d), one end of the auxiliary rib (5) and the first main rib (6a) are fixedly attached to the upper web (3) and the lower web (4) respectively, and the other end is connected to a first joint (9), one end of the first joint (9) is an extension structure, and one end of the auxiliary rib (5) and the first main rib (6a) is connected to the first joint extension end (9a).

2. The four-fold windproof umbrella ribs according to claim 1, characterized in that the first main rib (6a) is connected to the second main rib (6b) via the first joint (9), the second main rib (6b) is connected to the third main rib (6c) via the second joint (10), and the third main rib (6c) is connected to the tailbone (6d) via the third joint (11), the first joint (9) and the third joint (11) are of an offset joint structure, and when the umbrella ribs are folded, the second main rib (6b) is folded to the side of the first main rib (6a), and the tailbone (6d) is folded to the side of the third main rib (6c).

3. The four-fold windproof umbrella ribs according to claim 1, characterized in that the main ribs (6) are made of glass fiber or carbon fiber reinforced material.

4. The four-fold windproof umbrella rib of claim 1, characterized in that the upper nest (3) is fixedly attached to the top of the center rod (2), and the lower nest (4) is movably fitted to the short tube of the first section of the center rod (2), controlling the opening and folding of the umbrella rib (1).

5. The four-fold windproof umbrella rib of claim 1, characterized in that a short loop (7) is connected between the adjacent ends of the auxiliary rib (5) and the second main rib (6b) to pull each other, the auxiliary rib (5) is made of aluminum alloy and designed in the shape of a groove, and the short loop (7) is stored in the groove when the umbrella rib (1) is folded.

6. The four-fold windproof umbrella ribs according to claim 1, characterized in that the adjacent ends of the first main rib (6a) and the third main rib (6c), and the adjacent ends of the second main rib (6b) and the tail rib (6d) are connected by long loops (8) that pull each other, and the long loops (8) connecting the first main rib (6a) and the third main rib (6c) are of a lopsided structure, and the long loops (8) are fixedly attached to the lateral sides of the second main rib (6b) via loop buckles (12).