JP2811438B2 - Independent umbrella - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an independent umbrella which can be placed in an independent state even in a place without an umbrella stand, for example, at a station platform or in a train.

[0002]

2. Description of the Related Art Conventionally, an umbrella of this type is known from Japanese Utility Model Laid-Open No. 138812/1988. As shown in FIG. 10, this self-standing umbrella has a handle B attached to the base end of a tube shaft A, and a plurality of legs P which can be opened and closed at the front end of the tube shaft A.
Is provided with a stone peg C on which is formed.

[0003] A transmission shaft F to which a gear D is attached is provided at an end on the handle side in the tube shaft A, and a worm E is attached to the other end of the transmission shaft F.
And the tip of the transmission shaft F is rotatably supported by the bearing cap G. Further, three worm wheels H are meshed with the worm E, and a leg P is attached to the shaft H 'of each worm wheel H. To form an extension.

Next, a ring gear I is rotatably provided on the handle B, and this is meshed with the gear D as shown in the right diagram of FIG.

When a ring gear I protruding laterally of the handle A is rotated about its axis J in the direction shown by an arrow in FIG. 10, a gear D meshed with the ring gear I is rotated, and this is transmitted. The worm E attached to the other end of the transmission shaft F is rotated by the shaft F. As a result, the three worm wheels H meshed with the worm E also rotate, as shown in FIG.
As shown in FIG. 7, each leg P extending from the axis H 'also rotates, and each leg P opens and closes.

However, this self-standing umbrella has a complicated structure and a high cost because a worm gear is used as a ram. Moreover, the ring gear I protrudes greatly from the handle B, and when pointing to the umbrella, the umbrella is difficult to hold.

[0007]

An object of the present invention is to provide a self-standing umbrella that has a simple structure, is easy to operate, and is easy to hold when pointing to an umbrella.

[0008]

Means for Solving the Problems The present invention has been made to solve the above-mentioned problems, and includes means for attaching a handle to a base end portion of a tube shaft as described in claim 1, In the self-standing umbrella provided with a ram formed by an openable and closable leg at the distal end of the umbrella, the base end of each leg is pivotally attached to a ram of the leg attached to the distal end side of the tube shaft, and a wire spring is mounted. A movable pin having both ends protruding out of the slit into a slit provided in the longitudinal direction on the handle side of the tube shaft by attaching to the stone base and the leg to urge the leg in the opening direction. A connecting line is stretched between the pin and the foot of the shingle, a cylindrical bolt is fixed to the pipe shaft near the slit, and an adjusting cylinder with a female thread having an end face facing the handle side is provided in the cylinder. And the end face of the female screw adjusting cylinder is engaged with both ends of the pin to move the pin. The self-standing umbrella is characterized by opening and closing the legs of the ram.

When the adjusting cylinder with female thread is rotated to open the legs, the adjusting cylinder with female threads is engaged with the cylindrical bolt so that the adjusting cylinder with female threads moves in the leg opening direction along the cylindrical bolt.
That is, the pin moves in the direction of the ram, but the pin moves due to the urging force of the wire spring attached to the base of the ram and the leg in the opening direction, and the pin is moved between the pin and the leg of the ram. Since the connection line provided also moves, the leg of the stone shovel is opened. When the adjusting cylinder with female screw is rotated to close the legs, the adjusting screw with female screw is moved in the closing direction, that is, in the direction of the handle along the cylindrical bolt because the female screw of the adjusting cylinder is engaged with the cylindrical bolt. Then, the pin engaged with the end face facing the handle of the female threaded adjusting cylinder also moves.
As a result, the connecting line extended between the pin and the foot of the ram also moves, so that the foot of the ram is closed.

[0010]

1 to 8 show an independent umbrella according to one embodiment of the present invention. In FIG. 1, 1 is an independent umbrella, 2 is its tube axis, 3 is a handle, and 4 is a stone stick formed by an openable and closable leg 4a. An unillustrated upper wheel is provided on the base 4A of the stone foot 4, and a plurality of ribs 1 are provided on the upper wheel.
a, 1a are attached so as to be openable and closable, and an umbrella ground 1b is stretched over each rib 1a.

An adhesive is applied to the base end 2a of the tube shaft 2,
As shown in FIG. 2, the base end portion 2 is provided in the mounting hole 3a of the handle 3.
The handle 3 is attached to the pipe shaft 2 by inserting the base end 2a into the mounting hole 3a of the handle 3 by inserting the handle a.
The leg opening / closing means described later is attached to the pipe shaft 2 and then attached.

Further, as shown in FIG.
A stone butt 4 formed by a leg 4a that can be opened and closed is provided at the tip 2b of the tube shaft 2.

As shown in FIG. 2, a slit 2c penetrating in the diameter direction and extending in the longitudinal direction is provided on the handle side of the tube shaft 2.

As shown in FIG. 2, a cylindrical bolt 6 is fixed to the pipe shaft 2 by an adhesive near the slit 2c. As shown in FIG. 4, the cylindrical bolt 6 is a member formed by a screw portion 6A having an insertion hole 6a formed in the center of the tube shaft 2 and a push button housing portion 6B. When the cylindrical bolt 6 is fixed to the pipe shaft 2, a thread 6 A is formed on the handle 3 side.
Is provided, and a void portion 6b for attaching the push button 11 for opening the umbrella is provided in the push button storage portion 6B far from the handle 3.

As shown in FIG. 2, one end 10a of a leaf spring 10 provided with a push button 11 for opening an umbrella is disposed in the gap 6b, and the one end 10a of the leaf spring 10 is opened from the hole 6c on the gap 6b of the push button housing 6B. The push button 11 is projected outside. As shown in FIG. 2, the leaf spring 10 has the other end 10 b hooked on the slit 2 d on the side of the stone of the pipe shaft 2, and has a lower repelling 10 c in the center. The lower repelling member 10c is moved from the middle slit 2e of the tube shaft 2 to the tube shaft 2c.
Of the umbrella, and hook the bottom of the umbrella on it,
Keep the umbrella closed. When the push button 11 is pressed, the pipe shaft 2
The lower repelling member 10c protruding out of the tube retracts inside the pipe shaft 2, and the hook of the lower wheel is released and the umbrella is opened.

As shown in FIG. 5, the adjusting cylinder 7 with female threads has cavities at both ends and female threads 7a inside the center. The adjusting cylinder 7 with internal threads is provided with an internal thread 7a provided inside.
Is engaged with the threaded portion 6A of the cylindrical bolt 6, and is attached movably over the handle 3 and the cylindrical bolt 6.

The pin 8 is a punch-shaped member whose center is narrowed as shown in FIG.
3, one end 12a of each of the connecting wires 12 such as three wires or a piano wire is wrapped around as shown in FIG. 3, and the wrapped one end 12a and the portion 12b of each connecting wire 12 are put together. It is bound by the lock member 13.

Further, an adjusting cylinder 7 with a female thread is provided below the closed leg position as shown in FIG. 2, that is, on the side of the stone, and a pin 8 is provided so as to be movable in the slit 2c.
Is inserted into the slit 2c, and both ends of the pin 8 are projected outside the slit.

An end face 7b of the adjusting cylinder 7 with the female thread facing the handle of the female screw 7a is engaged with both ends of the pin 8.

As shown in FIG. 2, a cavity 3b larger than the mounting hole 3a is formed at the tip of the handle 3 on the tube shaft side, and a spring 9 is provided therein. The spring 9
Urges the pin 8 in the direction of the ram 4 to facilitate movement of the pin 8 in the slit 2c provided in the tube shaft 2.

Then, the three connecting lines 12 are inserted into the tube shaft 2, and as shown by the dotted lines in FIG.
2 of the other end 12c of the hole 4b and the recess 4b ₁ was drilled in the middle of the leg portion 4a of the ferrule 4 is taken out to the outside, ferrule 4
The legs 4a are closed, the ends 12c of the connection lines 12 are connected by another lock member 18, and the excess portion is cut off. The lock member 18 is a thin pipe, and is fixed by squeezing the tip of the wire through the pipe. At this time,
The lengths of the three connecting lines 12 are adjusted so that they do not become irregular.

[0022] The another locking member 18 is held in the recess 4b _1,該連connection 12 is prevented escape behind the leg 4a. Furthermore, the recess 4b ₁ is closed by closely fitted a closing member 19 from the top of the locking member 18.

Then, the adjusting cylinder 7 with female threads is rotated,
Returning to the closed leg position shown in FIG.
Is stretched between the pin 8 and the leg 4a, and the leg 4a maintains the closed state as shown by a solid line in FIG.

Alternatively, the extension of the connecting line 12 and the closing of the legs 4a may be maintained by another method. The method is as follows. First, the adjusting cylinder 7 with a female thread is moved downward in FIG.
That is, the other ends 12c of the three connecting wires 12 adjusted in advance to the same length are connected to each other with a lock member 18 and the lock members 18 are connected to the recesses 4 in advance.
b, each connecting wire 12 is inserted into the tube shaft 2 to close the leg 4a, and one end 12a of each connecting wire 12 is taken out of the slit 2c, and they are put together. It is wrapped around the constricted portion 8a at the center of the pin 8, and the wrapped one end 12a and the portion 1 of the connecting wire 12
2b is fixed by a lock member 13, the pin 8 is mounted on the slit 2c, and the adjusting cylinder 7 with female thread is rotated to return to the closed leg position shown in FIG.

As shown in FIG. 7, the stone base 4A has a tubular insertion portion 4B inserted into the distal end portion 2b of the tube shaft 2 and a mounting portion 4 for attaching an unillustrated upper wheel.
And a base body 4C having a D. As shown in FIG. 6, hinge mounting holes 4E are provided at three places 120 ° apart from each other on the end face of the base body 4C on the side of the stone.

As shown in FIGS. 6 and 7, one end 14a of each of the three hinges 14 is inserted into each of the three hinge mounting holes 4E, and as shown in FIG.
The one end 14a of each hinge 14 is fixed to the stone foot base 4A by a. As shown in FIG. 6, a hole 4 for attaching a hinge is formed in a base end 4c of each leg 4a.
d is provided, the other end 14b of the hinge 14 is inserted into the hole 4d, and the hinge 1
The other end 14b of 4 is fixed to the legs 4a, whereby each leg 4a is pivotally attached to the ramming base 4A.

The wire spring 15 is attached to the shaft 14c of the hinge 14, and when no force is applied, the wire spring 15
It is bent as shown in FIG. FIG. 8B shows a state where the wire spring 15 is extended.

As shown in FIG. 7, the tube 17 is
The outer surface thereof has three grooves 16 for holding one end 15a of the wire spring 15, and by inserting the tube 17 from the insertion opening 4F of the ramming base 4A, the three wire springs 15 are formed. Are respectively held by the stone base 4A.

Further, as shown in FIG. 8B, the other end 15b of each wire spring 15 is caused to rise, and as shown in FIG. 4e. Thereby, each wire spring 15 urges each leg 4a of the shingle in the leg opening direction, that is, the direction shown by the dotted line in FIG.

From the position of the female threaded adjusting cylinder 7 shown in FIG. 2, that is, the closed position of the stone foot, the female threaded adjusting cylinder 7 is rotated by hand and moved to the open leg side, that is, to the lower side in FIG. , The spring 9 and the wire springs 15 urge the connecting wire 12 to the leg 4 a of the ram 4 and the pin 8.
The pin 8 moves to the open leg side, that is, the lower side in FIG.

When the adjusting cylinder 7 with the female thread is rotated in the reverse direction and returned to the original position, the end face 7 of the adjusting cylinder 7 with the female thread facing the handle side is rotated.
The pin 8 engaged with the b moves to the closing side, that is, the upper side in FIG. 2, with the movement of the adjusting cylinder 7 with the female thread, and closes the leg 4 a of the ram 4.

The illustrated free standing umbrella is configured such that a stone butt is divided into three parts at 120 degrees and the legs are opened, and a hinge 14 having a wire spring 15 attached to each of the three legs 4a and a connecting line. 12, the number of the legs 4a may be increased to a greater number. In this case, the hinge 14 to which the wire spring 15 is attached and the connecting wire 12 are attached.
Must be increased according to the number of legs 4a.

FIG. 9 shows an independent umbrella according to another embodiment different from the above-described embodiment. This independent umbrella is different from the above-described independent umbrella without using the spring 9. The cylindrical bolt 6 is composed of only the threaded portion 6A, and an inward flange is provided at the end of the female threaded adjusting cylinder 7 on the butt end, and the end face 7b of the flange facing the handle side is provided with the pin 8. They differ in that they are engaged.

In this self-standing umbrella, when the adjusting cylinder 7 with a female thread is turned by hand to move it to the open leg side, that is, to the lower side in FIG. With the tension between the leg 4a of the butt 4 and the pin 8, the pin 8 moves to the open leg side, that is, the lower side in FIG.

Further, since the end surface 7b of the adjusting cylinder 7 with a female thread facing the handle is engaged with the pin 8, when the adjusting cylinder 7 with the female thread is rotated back to the original position, the adjusting cylinder with the female thread is rotated. 7, the connecting line 12 causes the leg 4 of the ram 4 to move.
The pin 8 on which the “a” is stretched moves to the closed leg side, that is, the upper side in FIG.

As shown in FIG. 2, in the self-standing umbrella of the present invention, a suction cup 21 may be attached to the end of a string or a chain 20 hanging on the end of the cylindrical bolt 6, 21 allows the self-supporting umbrella to be adsorbed on a nearby wall or the like and temporarily stored.

Further, a non-slip 22 made of rubber or the like may be attached to the end 3c of the handle 3 of the umbrella, and even when the umbrella is temporarily hung on a table or the like, the non-slip 22 can be used. Independent umbrella does not slip.

In addition, when the self-standing umbrella of the present invention is opened in a train or the like, the umbrella does not fall down easily by stepping on one of the legs 4a with shoes, You can move both hands freely with peace of mind.

[0039]

According to the first aspect of the present invention, there is provided an independent umbrella.
You can open and close the legs of the stone shovel just by turning the adjusting cylinder with female threads at hand, so you can easily open and close the legs without touching the tip of the dirty umbrella and stand alone, and This has the effect that the degree of opening of the legs can be freely adjusted.

Further, since the self-standing umbrella of the present invention uses a hinge and a wire spring without using a gear or the like for a ram, it has an effect that the leg can be opened and closed with a simple structure and the manufacturing cost can be reduced. .

The self-standing umbrella of the present invention is easy to hold when holding the umbrella because the diameter of the handle and the diameter of the adjusting cylinder with female threads are almost the same.

[Brief description of the drawings]

FIG. 1 is a schematic view of a self-standing umbrella of the present invention in a state where a part of an umbrella ground has been removed.

FIG. 2 is a schematic diagram showing the arrangement of an adjusting cylinder with a female thread when the self-standing umbrella is closed.

FIG. 3 is a front view of a pin.

FIG. 4 is a sectional view of a cylindrical bolt.

FIG. 5 is a sectional view of an adjusting cylinder with a female thread.

FIG. 6 is an enlarged view of a stone stick of an independent umbrella.

FIG. 7 is an assembly view showing a state in which a hinge to which a wire spring is attached is attached to a base of a stone by a tube.

FIG. 8A is a schematic view showing the wire spring in a state where no force is applied. (B) Schematic which shows the state which attached the wire spring to the hinge in the state which extended the wire spring.

FIG. 9 is a schematic view showing an arrangement of an adjusting cylinder with a female thread when the leg of the self-standing umbrella of another embodiment of the present invention is closed.

FIG. 10 is a schematic diagram showing a conventional self-standing umbrella.

[Explanation of symbols]

Reference Signs List 1 self-standing umbrella 2 tube shaft 2a base end of tube shaft 2b distal end of tube shaft 2c slit provided on handle side of tube shaft 3
Handle 4 Foot 4A Foot base 4a Foot of foot 4c Base end of leg 6 Cylindrical bolt 7 Adjustable cylinder with female thread 7a Female screw 7b End face of control cylinder facing handle 8 Pin 12 Connection line 14 Hinge 15
Wire spring

Claims (1)

(57) [Claims] 1. A self-standing umbrella in which a handle is attached to a base end of a tube shaft, and a sword formed by openable legs is provided at a front end of the tube shaft. A wire spring is attached to the base of the butt attached to the tip end side of the shaft, and a wire spring is attached to the base of the butt and the leg to urge the leg in a direction to open the leg. A movable pin having both ends protruding out of the slit is provided in the slit provided in the slit, and a connecting line is stretched between the pin and the leg of the stone butt,
A cylindrical bolt is fixed to the pipe shaft near the slit,
An adjusting cylinder with a female thread having an end face facing the handle is engaged with a cylindrical bolt, and the end face of the female screw adjusting cylinder is engaged with both ends of the pin, and the pin is moved to open and close the leg of the shingle. An independent umbrella characterized by the following.