WO2020034262A1

WO2020034262A1 - Windproof torsion-resistant umbrella frame

Info

Publication number: WO2020034262A1
Application number: PCT/CN2018/103119
Authority: WO
Inventors: 坂卷谦一
Original assignee: 冲绳高登发展株式会社; 坂卷谦一
Priority date: 2018-08-17
Filing date: 2018-08-30
Publication date: 2020-02-20

Abstract

A windproof torsion-resistant umbrella frame comprises: a shaft (1), an upper hub (2) fixedly sleeved on the shaft (1) near a top portion thereof, a lower hub (3) slidably sleeved on the shaft (1) below the upper hub (2), a main rib (4) having one end rotatable with respect to the upper hub (2), and a support rib (5) having one end rotatable with respect to the lower hub (3), an auxiliary rib (6) having one free end, a connector member (7) fixed to a section at the other end of the main rib (4), and a rotatable sleeve (8) sleeved on the main rib (4) near the connector member (7). The other end of the support rib (5) is rotatable with respect to the rotatable sleeve (8). One end of the auxiliary rib (6) is rotatable with respect to the connector member (7). A rotation direction of the auxiliary rib (6) is an upward inversion direction of an umbrella. The auxiliary rib (6) can engage with the connector member (7). The auxiliary rib (6) is engaged with the connector member (7). When the umbrella is inverted, a tensile force on the auxiliary rib (6) from a periphery of a canopy drives, via the provided rotatable sleeve (8), the entire main rib (4), the connector member (7), and the auxiliary rib (6) to rotate together, thereby preventing a problem in which an inverting torsion force on a conventional umbrella is concentrated at the pivoting point between the support rib (5) and the main rib (4) or the pivoting point between the auxiliary rib (6) and the connector member (7).

Description

Windproof and twist-resistant umbrella bone

Technical field

The invention relates to an umbrella bone, in particular to an umbrella bone capable of preventing wind and twisting.

Background technique

Umbrellas are the most commonly used daily necessities. They have functions of sheltering from the wind, rain and sun. Existing umbrellas, especially straight bone umbrellas, are easy to turn out if the strong wind blows from the bottom of the umbrella when used under strong wind conditions. Deformation of the umbrella bone or damage to the umbrella connector.

Summary of the Invention

The present invention addresses the above technical problems, and proposes a windproof and twist-resistant umbrella bone. When a strong wind umbrella bone is turned out, it can effectively prevent the edges of the umbrella face from pulling each umbrella bone to cause deformation of the umbrella bone body and facilitate the restoration of the umbrella bone. Under normal use, it will not damage the umbrella bone and the connecting parts.

In order to achieve the above purpose, it is achieved through the following technical solutions:

A windproof and torsion-resistant umbrella bone includes a middle pole, an upper nest fixed on the middle pole near the top, a lower nest slidably sleeved on the middle pole below the upper nest, a main bone hinged to the upper nest at one end, and One end articulated to the lower nest;

It also includes: an auxiliary bone with a free end at one end, a connecting member fixed to the other end section of the main bone, and a rotating sleeve sleeved on the main bone near the connecting member;

The other end of the supporting bone is hinged with the rotating sleeve;

One end of the auxiliary bone is hinged with the connecting piece. The hinged flipping direction of the auxiliary bone is the upward turning direction of the umbrella, and the auxiliary bone and the connecting piece can be engaged with each other. When the auxiliary bone and the connecting piece are engaged with each other, the clamp between the main bone and the auxiliary bone Angle is greater than or equal to 0 degrees and less than 180 degrees;

The rotation sleeve and the main bone are rotationally assembled at a limit position of 90 degrees in the circumferential direction, and the rotation sleeve and the main bone slide upwardly along the main bone tilt direction to limit the rotation.

Specifically, the engaging structure between the accessory bone and the connecting member is formed on the connecting member with a U-shaped cross-section and an upward opening groove. The auxiliary bone is embedded in the groove, and is provided on the left and right sides of the surface of the auxiliary bone. Radially protruding engaging projections are provided with limiting clamping grooves for engaging with the engaging projections to engage and engage on the two side walls of the groove of the connecting member.

Specifically, the rotation matching structure of the rotation sleeve and the main bone is provided with radial protruding rotation protrusions on both sides of the surface of the main bone, and the inner wall of the rotation sleeve is provided with a rotation groove having a radial depth and an axial width capable of accommodating the rotation protrusion. The rotation limit between the rotation sleeve and the main bone is achieved by the length and arc of the rotation groove.

According to the present invention adopting the above technical solution, under normal circumstances (the state where the auxiliary bone and the connecting member are engaged), the included angle between the auxiliary bone and the main bone is close to or equal to 180 degrees. The extension of the auxiliary bone will deflect the entire main bone, the connecting piece and the auxiliary bone together through the setting of the rotating sleeve, thereby avoiding the hinge point between the supporting bone and the main bone and the auxiliary bone and the auxiliary bone where the existing umbrella valgus torque is concentrated. The hinge point between the connecting parts realizes that the supporting bone and the main bone are not affected by torsion. The torsional force of the auxiliary bone and the connecting part is shared by the main bone to distribute the torsion and effectively avoid stress concentration. The auxiliary bone and the connecting part are reset and engaged. That is to restore the normal state of the umbrella.

Further, the connecting member is provided with an extension for supporting the auxiliary bone in a state where the auxiliary bone and the connecting member are engaged with each other, and the main purpose of this structure is to increase the supporting strength of the auxiliary bone.

Further, the lower end surface of the extension portion is a curved surface. The main purpose of this structure is to increase the support strength of the accessory bone, and at the same time increase the strength of the extension portion. The stress is dispersed through the curved surface to ensure the safety of the extension portion 71 itself.

Further, the thickness of the extension part gradually increases from the hinge position of the accessory bone to the end of the extension part. The main purpose of this structure is to increase the strength of the support for the accessory bone and increase the strength of the extension part. Further guarantee the security of the extension department itself.

Further, it also includes: a limit sleeve;

The limiting sleeve is fixed to the main bone, and is located in front of the rotating sleeve and the connecting piece forms the front and rear limits of the rotating sleeve, and the length of the main bone rod body between the limiting sleeve and the connecting piece is greater than or equal to the length of the rotating sleeve. This structure The purpose is to form a limit interval for the rotation sleeve (the length of the main bone rod body reserved between the limit sleeve and the connecting piece). When the reserved length is equal to the length of the rotation sleeve, then the rotation sleeve only rotates and does not move in this limit interval. When the reserved length is greater than the length of the rotating sleeve, the rotating sleeve can be oscillated in this limit interval, which can more effectively avoid the generation of torque.

Further, the rotating sleeve and the connecting member are rotationally assembled with the central axis of the main bone as an axis.

Further, there is a detachable hinge structure between the auxiliary bone and the connecting piece. The main purpose here is to assemble the auxiliary bone and the umbrella cloth first, and then articulate the auxiliary bone and the connecting piece to finally form an integral umbrella. Detachable hinge structure, one option is that the auxiliary bone has a protruding structure and the connecting member has a groove structure to achieve a rotational fit, and the other is that the auxiliary bone and the connecting member are machined with aligned shaft holes. By assembling the rotating shaft in the shaft hole, there is also a joint structure with a convex structure in the groove of the connecting member and a groove structure with the auxiliary bone to realize hinged assembly.

The above description is only an overview of the technical solution of the present invention. In order to understand the technical means of the present invention more clearly, it can be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more comprehensible. The following describes the preferred embodiments and the accompanying drawings in detail as follows.

BRIEF DESCRIPTION OF THE DRAWINGS

There are 7 drawings in the present invention, of which:

FIG. 1 is a schematic diagram of the overall structure of an umbrella bone under normal conditions of the umbrella of the present invention; FIG.

2 is a schematic diagram of the overall structure of the umbrella bone in the case of the umbrella of the present invention being turned out;

FIG. 3 is a partially enlarged view at FIG. 2A;

4 is a cross-sectional view when the umbrella bone of the rotating sleeve assembly position of the present invention is not deflected;

FIG. 5 is a cross-sectional view of the rotating sleeve assembly position when the umbrella bone is deflected; FIG.

FIG. 6 is a schematic diagram of a rotating assembly structure of a rotating sleeve and a connecting member of the present invention; FIG.

7 is a schematic diagram of a torsional deformation of an accessory bone when the umbrella is turned out;

FIG. 8 is a schematic diagram of a detachable hinge structure adopted by the umbrella of the present invention; FIG.

FIG. 9 is a schematic structural diagram of a sub-bone head under an articulation mechanism according to the present invention; FIG.

FIG. 10 is a schematic top plan view of a connector under a structure corresponding to the accessory bone shown in FIG. 9.

detailed description

A windproof and torsion-resistant umbrella bone as shown in FIG. 1 and FIG. 2 includes: a middle rod 1, a fixed sleeve set on the middle rod 1 near the top of the upper nest 2, and a slidable sleeve set on the middle rod 1 on the upper nest 2 The lower lower nest 3, the main bone 4 hinged at one end with the upper nest 2 and the support bone 5 hinged at one end with the lower nest 3;

It also includes: an auxiliary bone 6 with a free end at one end, a connecting piece 7 fixed to the other end section of the main bone 4 and a rotating sleeve 8 sleeved on the main bone 4 near the connecting piece 7;

The other end of the support bone 5 is hinged with the rotation sleeve 8;

One end of the auxiliary bone 6 is articulated with the connecting member 7. The hinged turning direction of the auxiliary bone 6 is the umbrella upside down direction. The auxiliary bone 6 and the connecting member 7 can be engaged with each other. When the auxiliary bone 6 and the connecting member 7 are engaged with each other, the main bone The angle between 4 and accessory bone 6 is greater than or equal to 0 degrees and less than 180 degrees;

The rotation sleeve 8 and the main bone 4 are a rotation assembly with a limit position of 90 degrees in the circumferential direction, and the rotation sleeve 8 and the main bone 4 slide upward in the tilt direction of the main bone 4 to limit the rotation.

Specifically, as shown in FIG. 3, the engaging structure between the auxiliary bone 6 and the connecting member 7 is formed on the connecting member 7 with a U-shaped cross-section and an upward opening groove, and the auxiliary bone 6 is embedded in the groove. Radially convex engaging projections 61 are provided on the left and right sides of the surface of the auxiliary bone 6. Limiting grooves for inserting and engaging with the engaging projections 61 are processed on both side walls of the groove of the connecting member 7. 72.

Specifically, as shown in FIG. 4 and FIG. 5, the rotation matching structure of the rotation sleeve 8 and the main bone 4 is provided with radial protruding rotation protrusions 41 on both sides of the surface of the main bone 4, and the inner wall of the rotation sleeve 8 has a diameter. The depth and the axial width can accommodate the rotation groove 81 of the rotation protrusion 41, and the rotation limit between the rotation sleeve 8 and the main bone 4 is achieved by the length and the radian of the rotation groove 81.

According to the invention adopting the above technical solution, under normal circumstances (the auxiliary bone 6 and the connecting member 7 are engaged), the angle between the auxiliary bone 6 and the main bone 4 is close to or equal to 180 degrees, and when the umbrella is turned out (at this time, the auxiliary bone 6 The tensile deformation between the connecting member 7 and the connecting member 7 is shown in FIG. 7. At this time, the stretching of the umbrella bone (auxiliary bone) by the edge of the umbrella cloth will realize the entire main bone 4, the connecting member 7 and the auxiliary bone through the setting of the rotating sleeve 8. 6 to deflect together, avoiding the hinge point between the supporting bone 5 and the main bone 4 and the hinge point between the auxiliary bone 6 and the connecting member 7 where the existing umbrella valgus torque is concentrated, so that the supporting bone 5 and the main bone 4 can be realized. The torsion between the auxiliary bone 6 and the connecting member 7 is shared by the main bone 4 as a whole, and the torsion is dispersed to effectively avoid stress concentration. The auxiliary bone 6 and the connecting member 7 reset and engage to restore the normal state of the umbrella.

Further, the connecting member 7 is provided with an extension portion 71 for supporting the auxiliary bone 6 in a state where the auxiliary bone 6 and the connecting member 7 are engaged with each other. The main purpose of this structure is to increase the supporting strength of the auxiliary bone 6.

Further, as shown in FIG. 3, the lower end surface of the extension portion 71 is a curved surface. The main purpose of this structure is to increase the supporting strength of the accessory bone 6, and at the same time increase the strength of the extension portion 71 itself. The stress is dispersed through the curved surface to ensure the extension portion. 71 itself security.

Further, as shown in FIG. 3, the thickness of the extension portion 71 is gradually increased from the hinged position of the auxiliary bone 6 to the end of the extension portion 71. The main purpose of this structure is to increase the support strength of the auxiliary bone 6, while increasing the strength of the extension portion 71 itself. The stress dispersion is performed by a curved surface and a thickness gradation method, thereby further ensuring the safety of the extension portion 71 itself.

Further, it also includes: a limit sleeve 9;

As shown in FIG. 1 and FIG. 3, the limit sleeve 9 is fixed on the main bone 4, located in front of the rotation sleeve 8 and the connecting piece 7 forms the front and rear limits of the rotation sleeve 8, and the limit sleeve 9 and the connecting piece 7 The length of the main bone 4 rod is greater than or equal to the length of the rotating sleeve 8. The purpose of this structure is to form a limit interval for the rotating sleeve 8 (the length of the main bone rod is reserved between the limiting sleeve and the connector). If the length is equal to the length of the rotating sleeve 8, then the rotating sleeve 8 only rotates and does not move in this limit interval. When the reserved length is longer than the length of the rotating sleeve 8, the rotating sleeve 8 can move in this limit interval, which can be more effectively avoided. Generation of torque.

Further, as shown in FIG. 5, the rotating sleeve 8 and the connecting member 7 are rotatably assembled with the central axis of the main bone 4 as an axis.

Further, as shown in FIG. 8, the auxiliary bone 6 and the connecting member 7 are a detachable hinge structure. The main purpose here is to assemble the auxiliary bone 6 and the umbrella cloth first, and then connect the auxiliary bone 6 and the connecting member 7. The hinged connection finally forms an integrated umbrella. One of the detachable hinge structures here is the auxiliary bone 6 with a convex structure and the connecting member 7 with a groove structure to achieve a rotational fit. The other is the auxiliary bone. Aligned shaft holes are processed between 6 and connecting piece 7, and the hinge is assembled by assembling the rotating shaft in the shaft hole.

When the groove of the connecting member 7 is provided with a convex structure and the auxiliary bone 6 is provided with a groove structure to achieve articulation, the specific structure is shown in FIGS. 9 and 10;

The width of the front head 62 of the auxiliary bone 6 is larger than the width of the auxiliary bone 6. The specific shape is spherical, and the center of the front head 62 is not on the central axis of the auxiliary bone 6. Finally, the front head 62 of the auxiliary bone 6 and the rod body The portion 63 is in the shape of a chicken leg, and the through-hole 65 is processed near the center point of the front head 62 or the center point is selected. A spherical guide groove is processed on the upper edge of the front head 62 on the right of the longitudinal centerline (that is, near the shaft portion 63). 64 (the position and size of the spherical guide groove 64 can be adjusted according to actual needs);

A pair of columnar bosses 73 are oppositely provided on the inner walls of the two sidewalls of the connector 7. The columnar bosses 73 are coaxial, and the front end of the columnar boss 73 is chamfered. The slot of the connector 7 is located below the columnar boss 73. The bottom is processed with an assembly hole 74 for inserting the front head 62 of the accessory bone 6;

When the connecting member 7 is assembled with the auxiliary bone 6, first, the front head 62 of the auxiliary bone 6 is embedded in the assembling hole 74 of the connecting member 7. When the columnar boss 73 is just aligned with the spherical guide groove 64 (ie, the columnar boss 73) When the head is embedded in the spherical guide groove 64), the front head 62 of the auxiliary bone 6 is moved obliquely upwards. When the spherical guide groove 64 is guided, the force will gradually squeeze the columnar boss 73 and eventually promote the connecting member 7 The two side walls of the columnar bosses 73 are deformed, and finally the columnar bosses 73 are embedded in the through holes 65 of the auxiliary bones 6 to realize rotational assembly. The above-mentioned connecting members 7 and the auxiliary bones 6 are integrally formed of plastic.

The above-mentioned hinge structure is simple to assemble, and it is not easy to separate after assembly. The shape of the head of the accessory bone 6 greatly enhances the structural strength and significantly improves the bearing capacity.

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed as above with the preferred embodiments, they are not intended to limit the present invention. Without departing from the scope of the technical solution of the present invention, a skilled person can use the disclosed technical content to make a few changes or modify the equivalent embodiment of equivalent changes. Anything that does not depart from the technical solution of the present invention, according to the present invention Any simple modifications, equivalent changes, and modifications made to the above embodiments by the technical essence of the invention still fall within the scope of the technical solution of the present invention.

Claims

A windproof and twist-resistant umbrella bone includes: a middle pole (1), an upper nest (2) fixed on the middle pole (6) near the top, and a slidable sleeve on the middle pole (1) located in the upper nest (2) ) The lower nest (3) below, the main bone (4) hinged on one end and the upper nest (2), and the support bone (5) hinged on one end and the lower nest (3);

The utility model is characterized in that it further comprises an auxiliary bone (6) with a free end at one end, a connecting piece (7) fixed to the other end section of the main bone (4), and a connecting piece (7) sleeved on the main bone (4). Position rotating sleeve (8);

The other end of the supporting bone (5) is hinged with the rotating sleeve (8);

One end of the auxiliary bone (6) is hinged with the connecting member (7). The hinged flipping direction of the auxiliary bone (6) is the umbrella upside-down turning direction. The auxiliary bone (6) and the connecting member (7) can be engaged with each other. The bone (6) and the connecting member (7) are engaged with each other, and the angle between the main bone (4) and the auxiliary bone (6) is greater than or equal to 0 degrees and less than 180 degrees;

The rotation sleeve (8) and the main bone (4) are a rotation assembly of a limit position of 90 degrees in the circumferential direction, and the rotation sleeve (8) and the main bone (4) slide upwardly along the main bone (4) in an inclined direction. .
According to claim 1, a windproof and twist-resistant umbrella bone is characterized in that:

The connecting member (7) is provided with an extension (71) for supporting the auxiliary bone (6) in a state where the auxiliary bone (6) and the connecting member (7) are engaged with each other.
The wind-resistant and twist-resistant umbrella bone according to claim 2, characterized in that:

A lower end surface of the extension portion (71) is a curved surface.
The wind-resistant and twist-resistant umbrella bone according to claim 3, characterized in that:

The extension (71) gradually increases in thickness from the hinged position of the accessory bone (6) to the end of the extension (71).
The wind-resistant and twist-resistant umbrella bone according to claim 1, characterized in that:

Also includes: limit sleeve (9);

The limit sleeve (9) is fixed to the main bone (4), is located in front of the rotation sleeve (8), and the connecting member (7) forms the front and rear limits of the rotation sleeve (8), and the limit sleeve (9) and The length of the rod body of the main bone (4) reserved between the connecting pieces (7) is greater than or equal to the length of the rotating sleeve (8).
The wind-resistant and twist-resistant umbrella bone according to claim 1, characterized in that:

The rotating sleeve (8) and the connecting member (7) are assembled by rotating the central axis of the main bone (4) as an axis.
The wind-resistant and torsion-resistant umbrella bone according to claim 1, wherein:

A removable hinge structure is formed between the auxiliary bone (6) and the connecting member (7).