JPH0731698Y2 - Prefabricated umbrella - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an umbrella, and more particularly to an assembled simple umbrella.

[0002]

2. Description of the Prior Art Disposable and easy-to-use simple umbrellas are disclosed in Japanese Utility Model Publication No. 48-31713 and Japanese Utility Model Publication No. 62-1.
There are many disclosed in Japanese Patent No. 31612. Since these are intended to withstand temporary use in an emergency, they are simply and inexpensively constructed from waterproof paper or synthetic resin film. These simple umbrellas are folded compactly in an unused state and are assembled so as to be expanded like an umbrella when used.However, these conventional umbrellas are usually used because of the purpose of use. No skeleton like the one seen in the umbrella is formed, and therefore, it is easy to be damaged due to losing its shape or being torn when the umbrella is in a deployed state. Therefore, it is difficult to expand and use the umbrella once, fold it back to its original state, and then reuse it, from the viewpoint of the durability of the umbrella. Once used, an umbrella is difficult to reuse and has to be thrown away. Durability is improved by providing a supporting frame on the umbrella material, but if it is provided like an ordinary umbrella, the structure becomes complicated, assembly becomes difficult, and it becomes difficult to manufacture at low cost. .

[0003]

[Technical Problem] The present invention is an "assembly type umbrella which can support the umbrella material (1) made of a waterproof sheet having a circular or polygonal shape in an unfolded state" at low cost and easily. The object is to be able to assemble and improve durability.

With respect to the device of claim 1,

[Technical Means] The technical means of the present invention for solving the above-mentioned problem is that "a pair of support shafts (11) (11) are provided near the peripheral portion of the back surface of the umbrella material (1) and mutually. A tension shaft (12) which is substantially parallel to each other and maintains a mutual distance is provided between the support shafts (11) (11), and the handle (2) is hung from the tension shaft (12) and the tension shaft is also extended. (12) The support shaft (11) (11) can be freely attached to and removed from the handle (2).
And the tension shaft (12) is foldable or separable ”.

[0005]

The above technical means operates as follows. Since the support shafts (11) and (11) are provided on the back surface of the umbrella cloth (1) in a substantially parallel state, the umbrella cloth (1) does not support the tension shafts (12) when not in use. (11) (1
It can be folded or rolled along 1). Then, when the umbrella cloth (1) is unfolded and the tension shaft (12) is laid between the support shafts (11) and (11) during use, the umbrella cloth (1) becomes the tension shaft. By (12), the expanded state can be maintained. Since the handle (2) is hung on the tension shaft (12), if the handle (2) is supported by hand, it can be used as an umbrella. Then, after use, the tension shaft (12) is removed from the support shafts (11) (11), and the umbrella cloth (1) is supported by the support shaft (11).
Fold or roll along (11).

[0006]

[Effect] Since it can be used as an umbrella simply by unfolding the umbrella cloth (1) and attaching the tension shaft (12) to the support shafts (11) and (11), it is easy to assemble and can be manufactured at low cost. or,
The umbrella shaft (1) is firmly supported by the support shafts (11) and (11) and the tension shaft (12) that supports these in an expanded state, so that the durability of the umbrella is improved and There is no inconvenience such as loss of shape, and it can be reused.

With regard to the invention of claim 2, even if the assembled simple umbrella devised in claim 1 can be reused, once it is taken home, it is expected that it will be used again as an umbrella. Can not. Therefore, the invention of claim 2 solves the same problem as in claim 1, and
Furthermore, it is an object to make the assembled umbrella usable as a kite after it has been used as an umbrella. The technical means taken for this purpose is to support the center of the umbrella side (1) on the surface side. By providing the fins (3) having a substantially triangular shape so as to be substantially parallel to the shafts (11) (11) and attaching the handle (2) to the tensioning shaft (12). ” is there.

In order to use the umbrella as an umbrella, the umbrella cloth (1) is unfolded and the tension shaft (12) is installed on the support shafts (11) (11) in the same manner as in the first aspect. Then, the handle (2) may be attached to the tension shaft (12). At this time, the directing wing (3) is located on the upper surface side of the umbrella cloth (1). When using it as a kite, the handle (2) is removed from the tension shaft (12), the front and back of the umbrella cloth (1) are reversed, and the directional wings (3) are moved downwards of the umbrella cloth (1). In addition, the kite thread hangs like a belly fin, and a kite thread prepared separately is provided in the vicinity of the apex of the directed blade (3). As a result, the supporting shaft (1
If the umbrella (1) between (1) and (11) is operated so as to receive the wind, it will levitate like a normal kite, and you can enjoy kite flying. In this way, after being used as an umbrella, it can also be used as a kite, so the product is not wasted.

[0009]

Embodiments of the present invention described above will be described in detail with reference to the drawings. In the first embodiment of the present invention, as shown in FIG. 1, the umbrella material (1) is made of a synthetic resin sheet into a circular shape having a predetermined size, and a pair of thermoplastics is provided in the vicinity of the opposite peripheral edges. Support shaft made of synthetic resin (1
1) (11) is provided, and further in this embodiment,
An intermediate shaft (13) passing through the center of the umbrella cloth (1) and parallel to the support shafts (11) (11) is provided between the support shafts (11) (11). These support shafts (1
1) The top surfaces of (11) and the intermediate shaft (13) and the back surface of the umbrella cloth (1) are adhered and integrated by high frequency welding or the like. These support shafts (11) (1
The tension shaft (12) installed between 1) is the support shaft (1).
1) A pair of first and second holdings, which are made of a square bar made of a material similar to that of 1) and are formed so as to face the central portions of the support shafts (11) (11) as shown in FIG. It is configured to be fitted into the tools (14) and (15).
Each of the first and second holders (14) and (15) is formed with a square hole that opens in the opposite direction, and the second holder (15) formed on one support shaft (11) is First holder (14) formed on the other support shaft (11)
It has a diagonally cutout shape. It should be noted that the size and shape of the square hole are substantially the same as the cross section of the tension shaft (12).

Further, a joint member (21) is integrally attached to the center of the tension shaft (12) and hangs downward. The joint member (21) has a top surface with a drawing. Two
As shown in FIG. 5, a recess groove (22) into which the intermediate shaft (13) is just fitted is formed, and a fitting inlet (20) of a size into which the handle (2) is just fitted is formed below the groove. It is formed in an open state.

In the first embodiment, the support shaft (1
1) An umbrella cloth (1) to which (11) and an intermediate shaft (13) are welded, and a joint member (21) corresponding to the length between the support shafts (11) and (11) and provided in the center. Extension shaft (12)
And the handle (2) are three parts to be assembled. In order to construct an umbrella from these parts, first, the joint member (21).
One end of the tension shaft (12) provided with is fitted into the first holder (14) of the one support shaft (11) of the umbrella cloth (1).
Then, the intermediate shaft (13) is fitted in the groove (22), and the other end of the tension shaft (12) is fitted in the second holder (15) of the other support shaft (11). At this time, the second holder (1
Since 5) is notched obliquely, it is easy to fit the end of the tension shaft (12) by inserting from the notch side. As a result, the umbrella cloth (1) is supported in the unfolded state. Then, by fitting the handle (2) into the fitting inlet (20) of the joint member (21), an umbrella as shown in FIG. 3 is completed.
In this embodiment, square members are used as the tension shafts (12), and each of them is fitted into a predetermined square hole.
Since the umbrella cloth (1) is supported in the unfolded state, there is no inconvenience that the shafts inadvertently rotate during use of the umbrella and the stability of the umbrella is maintained.

The second embodiment shown in FIG. 4 adopts the same umbrella material (1) as that of the first embodiment, and the supporting shaft (1)
As the 1) and the intermediate shaft (13), a round bar is adopted, and like the first embodiment, the support shafts (11) (11) and the intermediate shaft are provided at predetermined positions on the back surface of the umbrella fabric (1). Each top surface of the shaft (13) is welded by high frequency welding or the like. The tension shaft (12) that stretches between the support shafts (11) and (11) is configured so as to project from the vicinity of the upper end of the handle (2) to the left and right. As shown, a bearing portion (24) into which the support shafts (11) (11) are fitted.
(24) is formed. A bearing portion (23) into which the intermediate shaft (13) is fitted is formed at the upper end of the handle (2). The length from the bearing portion (23) to the bearing portion (24) is set to be slightly longer than the length from the intermediate shaft (13) to the support shaft (11), so that the umbrella cloth (1) is in a developed state. When the intermediate shaft (13) is fitted into the bearing portion (23) of the handle (2) and the support shafts (11) and (11) are fitted into the bearing portions (24) and (24) at the same time, the tension shaft ( 12) The umbrella material (1) is stretched and stretched in a manner in which (12) is slightly inclined upward. still,
In the support shafts (11) (11) and the intermediate shaft (13), the parts fitted into the bearing parts (24) (24) and the bearing part (23) are not welded to the umbrella cloth (1). To do. Also, near the base end of the tension shaft (12) (12),
When the umbrella is not used, the tension shafts (12) and (12) should be folded so as to be in parallel with the handle (2) as shown by the chain double-dashed line in the figure. You can Therefore, it can be stored compactly before assembly.

The third embodiment shown in FIGS. 5 and 6 is
It corresponds to the invention of claim 2, and after being used as an umbrella, it can also be played as a kite. In this embodiment, the umbrella wing (1) is formed in a substantially trapezoidal shape, and the directional wings (3) are formed in a substantially triangular shape from the same material as the umbrella hood (1), and the hypotenuse of the directional wings (3). The portion is adhered to the center line on the front surface side of the umbrella cloth (1), and the support shafts (11) and (11) are provided on both oblique sides on the back surface side of the umbrella cloth (1) as in the first and second embodiments. ) Was welded. A hole (30) for attaching a kite string (31) is formed near the top of the directing wing (3). And the tension shaft (1
2) is attached to the support shafts (11) and (11) so as to be bridged. For this mounting method, the same method as in the case of the first embodiment can be adopted. In this embodiment, a joint member (21) into which the handle (2) is inserted is previously provided at the center of the tension shaft (12), and the handle (2) is attached to the joint member (21). It is removable.

In order to use the umbrella of this embodiment as an umbrella, first, the umbrella material (1) is expanded and the tension shaft (11) is provided between the support shafts (11) and (11) provided on both hypotenuses. 12)
Install in a crossed state. As a result, the umbrella cloth (1) is supported in the expanded state by the support shafts (11) and (11) and the tension shaft (12). And the tension shaft (12)
By inserting the handle (2) into the joint member (21) provided at the center of the, an umbrella as shown in FIG. 5 is completed. In other words, when the umbrella is in use, the directional wings (3) are projected on the umbrella material (1). After use as an umbrella, the handle (2) is removed from the joint member (21), the tension shaft (12) is located above the umbrella material (1), and the directional wings (3) are attached to the umbrella material (1). The front and back of the umbrella fabric (1) are turned upside down so that they are located below. Then, the directional wing (3) hangs like a fin below the umbrella material (1), and the kite string (3) is inserted into the hole (30) formed near the apex of the directional wing (3).
By connecting 1), the kite as shown in Fig. 6 is completed.
The shape of the umbrella cloth (1) of the above-described first to third embodiments may be any shape as long as it has an area that can withstand rain, and may be paper if the material is waterproof.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a first embodiment of the present invention.

FIG. 2 is an enlarged perspective view of a main part.

FIG. 3 is an explanatory view of an assembled state.

FIG. 4 is an explanatory diagram of a second embodiment.

FIG. 5 is an explanatory diagram of the third embodiment.

FIG. 6 is an explanatory diagram when used as a kite.

[Explanation of sign]

 (1) ... Umbrella (11) ... Support shaft (12) ... Stretching shaft (2) ... Handle (3) ... Directional blade

Claims (2)

[Scope of utility model registration request] 1. A prefabricated umbrella in which an umbrella material (1) made of a waterproof sheet having a circular or polygonal shape can be supported in an expanded state, and each of the pair of support shafts (11) (11) is provided with an umbrella material ( 1) is provided in the vicinity of the peripheral portion of the back surface and is substantially parallel to each other, and a tension shaft (12) is provided between these support shafts (11) (11) to maintain the mutual distance, and the tension shaft (12) is provided. The handle (2) is hung from the handle and the tension shaft (12) is detachably attached to the support shafts (11) and (11).
And the tension shaft (12) are foldable or separable umbrellas. 2. The support shaft (1) is provided at the center of the surface side of the umbrella cloth (1).
(1) The direction vane (3) having a substantially triangular shape is provided in a fin shape so as to be substantially parallel to (1) (11), and the handle (2) is detachably attached to the tension shaft (12). Prefabricated umbrella.