JP2003153717A - Umbrella - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an umbrella which prevents breakage thereof by arranging a skeleton structure made up of an inside cap, a runner, ribs, stretchers and the like to be made freely rotatably on the exis of a shaft under strong winds or other external forces when it is opened. SOLUTION: The skeleton structure comprises the shaft, an inside cap provided at the upper end part thereof, the runner externally inserted into the shaft made freely slidable below the upper inside cap, the ribs with the base end part thereof pivoted on the inside cap and the stretchers with both end part thereof separately pivoted on the runner and the ribs. In a lengthy umbrella, the highest position of opening the umbrella and the lowest position of closing the umbrella are regulated by the runner vertically sliding along the wood shaft. The shaft is made of upper and lower pipes which are divided vertically being located between the umbrella opening and closing positions. A rotary link means is provided to make the upper and lower pipes link coaxially while being rotatably linked mutually about the axis thereof.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a western umbrella, and in particular, when the umbrella is opened and it is exposed to strong winds or hits nearby people or objects, the upper and lower rockers and the ribs and skeletons, etc. The present invention relates to a western umbrella in which a frame mechanism composed of is freely rotatable around the center axis of the center rod so that damage can be prevented.

[0002]

2. Description of the Related Art Conventionally, in both a long umbrella and a folding umbrella, a western umbrella has its proximal end pivotally connected to the upper rokuro and the both ends of the fulcrum to the lower rokuro and the main bone. The structure is fragile due to the structure of opening and closing the umbrella by sliding the rocker up and down with respect to the center rod. For example, strong winds or impacts with nearby people or things In this case, a part of the bone may be easily broken.

[0003]

Therefore, as measures for preventing the skeleton structure from being damaged by an external force, firstly, the bone itself is strengthened, and secondly, the external force received by the bone is absorbed or absorbed. Two methods are discovered.

However, according to the first method, it is inevitable that the weight of the entire umbrella is increased due to the strengthening of the bone material and the increase of the wall thickness. We do not meet the needs of our customers.

On the other hand, according to the second method, for example, the upper and lower wheels are configured to be rotatable with respect to the center rod, and when an external force is applied, the frame mechanism is moved around the center rod. There is an advantage that the impact can be absorbed and absorbed by rotating it, and furthermore, a Western umbrella having a good taste can be provided by such rotation. However, if the rotation mechanism is installed between the center rod and the rocker, there is a problem that the fragile rocker is easily damaged.In addition, when the user operates the lower rocker when opening and closing the umbrella, the lower rocker and There is a danger that your fingers will get injured and your fingers will get injured.

[0006]

SUMMARY OF THE INVENTION The present invention provides a western umbrella that solves the above-mentioned problems while the structure of the frame is rotatably configured. The umbrella includes a long umbrella and a folding umbrella. Two types of umbrellas are offered.

Therefore, the long umbrella provided by the present invention is configured as a means, that is, the middle rod, the upper wheel provided at the upper end of the middle rod, and the outer rod which is slidable on the middle rod below the upper wheel. It is equipped with a lower rocker inserted, a rib that pivotally connects the base end to the upper rocker, and a skeleton that has both ends pivoted to the lower rock and ribs, and slides up and down along the center rod. In the long umbrella that defines the uppermost open position and the lowermost closed position by the lower wheel, the middle rod is an upper pipe that is located between the open and closed positions and that is divided into upper and lower pipes. The lower pipe is configured, and the upper pipe and the lower pipe are coaxially connected to each other, and a rotary connecting means for connecting the upper pipe and the lower pipe to each other so as to be rotatable about an axis is provided.

In a preferred embodiment, the rotary connecting means comprises a tubular member and a core member inserted into the tubular member, and a portion of the tubular member is deformed into an annular groove formed in the circumferential direction of the core member. By making it enter, a connecting unit that connects the tubular member and the core member to each other rotatably and immovably in the axial direction is configured, and the end of the tubular member that constitutes one end of the connecting unit and the other end of the connecting unit. The end portion of the core member constituting the above is inserted into and fixed to the upper pipe and the lower pipe.

Further, the folding umbrella provided by the present invention is configured as a means, in which the first pipe is telescopically inserted into the second pipe and the second pipe is telescopically inserted into the second pipe in order from the top. Inserted telescopic center rod, upper lock provided at the upper end of the center rod, lower lock that is slidably inserted into the center rod below the upper lock, and the base end is pivotally connected to the upper lock. It is equipped with a foldable free rib, and both ends with a lower rocker and a skeleton pivotally connected to the rib, and the lower rocker that slides up and down along the center rod is the topmost one located on the first pipe. In the folding umbrella that defines the open umbrella position and the lowest closed umbrella position located on the second pipe, with the second pipe pulled out from the third pipe and extended, between the second pipe and the third pipe. , A retaining means to prevent it from coming out, and an extension to prevent it from contracting At which is provided a temporary fixing means for temporarily fixing, the retaining means and temporary fixing means lies in comprising constitute rotational coupling means to permit mutual rotation about the axis of the second pipe and the third pipe.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described in detail below with reference to the drawings.

(Embodiment of Long Umbrella) FIGS. 1 to 3 show an embodiment in which the present invention is applied to a long umbrella.

As shown in FIG. 1 (A), the long umbrella is a center rod 1
And the upper wheel 2 fixed on the upper end of the center rod 1 and the upper wheel 1
A lower wheel 3 slidably inserted into the center rod 1 below
It has a skeleton structure including a rib 4 having a proximal end portion pivotally connected to the upper roller 2, and both ends having a lower bone 3 and a fulcrum 5 pivotally connected to the parent bone 4, respectively. Therefore, when the lower wheel 3 is raised to the open umbrella position U as shown by the solid line in the drawing, the fulcrum 5
Opens the frame while pushing up the ribs 4, and, on the contrary, lowers the lower rocker 3 to the closed umbrella position D as shown by the chain line in the figure, and the fulcrum 5 pulls down the ribs 4 and closes the frame,
In this way, the lower wheel 3 defines the uppermost opening position U and the lowermost closing position D, but it is preferable to provide cissings for locking and fixing the lower wheel 3 at each position. still,
A hand 6 is provided at the tail end of the center rod 1.

The center rod 1 is made of a pipe material having a circular cross section, and is positioned at a portion (a portion indicated by M in the drawing) between the opening position U and the closing position D of the lower wheel 3, and is divided into upper and lower parts. The upper pipe 1a and the lower pipe 1b are formed. The upper pipe 1a and the lower pipe 1b are coaxially connected to each other via the rotary connecting means 7, and are connected to each other so as to be rotatable about their axes.

As shown in the enlarged cross section of FIG. 1 (B), the rotary connecting means 7 has a tubular member 8 having an annular cross section and having an outer diameter adapted to be inserted and fitted into the upper pipe 1a and the lower pipe 1b, and the tubular member. A connecting unit 10 including a core member 9 having a circular cross section that is inserted into the member 8 constitutes.

As shown in FIG. 2, the core member 9 includes an upper pipe 1a or a lower pipe 1b (the upper pipe 1 in the illustrated example).
a) a large-diameter support portion 11 inserted into a) and a small-diameter rotary shaft portion 12 extending from the support portion 11 and rotatably inserted into the tubular member 8 are integrally provided, and the rotary shaft portion 12 is provided at an appropriate position. An annular groove 13 extending in the circumferential direction is formed.

On the other hand, the tubular member 8 has a core member 9
The rotary shaft portion 12 is provided with an end edge 14 that faces the stepped portion of different diameter of the support portion 11, and the deformable portion 15 is formed in a portion that faces the outer periphery of the annular groove 13. In the case of the illustrated example, the deformable portion 15 includes the cut groove 16 formed in the tubular member 8, but the configuration is not limited to such a configuration.

Therefore, as shown in FIG. 3, the core member 9
After inserting the rotary shaft portion 12 of the cylindrical member 8 into the cylindrical member 8,
When the deformable portion 15 is deformed in the centripetal direction from the outside by a press or the like to form the locking portion 17, the locking portion 17 enters the annular groove 13 as shown in FIG. 1 (B). The tubular member 8 and the core member 9 are prevented from coming off from each other, and the tubular member 8 and the core member 9 are rotatably connected to each other. That is, the engaging portion 17 and the annular groove 13 constitute the bearing means 18 which is retained and retained, whereby the coupling unit 10 is provided.
Is formed.

The connecting unit 10 is, as shown in FIG.
The outer diameter of the tubular member 8 and the outer diameter of the support portion 11 extending in the axial direction from the tubular member 8 are formed to have the same diameter, and the support portion 11 of the core member 9 is provided with a hole 19a penetrating in the diametrical direction. A hole 21a penetrating the extension portion 20 (the end portion extending beyond the rotary shaft portion 12) of the member 8 is provided. Correspondingly, holes 19b and 21b are provided in the upper pipe 1a and the lower pipe 1b, respectively. Therefore, the support portion 11 is inserted into the upper pipe 1a and the holes 19a and 19b are aligned with each other. When the member 8 is inserted into the lower pipe 1b and the holes 21a and 21b are aligned with each other and the pins 22 and 23 are fitted into the aligned holes as shown in FIG. A rotary connecting means 7 of the lower pipe 1b and the lower pipe 1b is achieved.

According to this embodiment, the upper wheel 2 and the lower wheel 3 are in the open state shown by the solid line in FIG. 1 (A).
The skeleton mechanism including the main ribs 4 and the supporting ribs 5 is rotatable integrally with the upper pipe 1a with respect to the lower pipe 1b provided with the hand 6. Therefore, when an external force such as a strong wind is received, the frame mechanism rotates integrally with the upper pipe 1a, so that stress is not concentrated on the bone portion and the rocker portion, and there is no risk of damage. Further, when the user holds the hand 6 with one hand and pushes up the lower wheel 3 with the other hand, the lower roller 3 forming a part of the skeleton mechanism has a portion M between the open umbrella position and the closed umbrella position. Is rotatable on the outer circumference of the lower pipe 1b until passing through the upper pipe 1a, but does not rotate on the outer circumference of the upper pipe 1a after passing through the portion M to reach the upper pipe 1a (integrated In particular, when force is applied to the finger holding the lower locker 3 due to the tension of the umbrella cloth immediately before reaching the opening position U, the fingertip is moved to the upper pipe 1
There is no risk of being injured by packing it between a and the lower wheel 3.

Further, if the connecting unit 10 is constructed as described above, it is easy to form the rotary connecting means 7 for connecting the upper pipe 1a and the lower pipe 1b, which is suitable for mass production. Alternatively, in the coupling unit 10, one pipe (the upper pipe 1a in the illustrated example) is reinforced by the support portion 11 of the core member 9, and the other pipe (the lower pipe 1b in the illustrated example) is inserted with the rotating shaft portion 12 inserted. Since it is reinforced by the tubular member 8, there is an advantage that the strength at the connecting portion of the upper pipe 1a and the lower pipe 1b, which is divided into upper and lower parts, is not lowered, but rather the strength can be improved.

(Embodiment of Folding Umbrella) FIGS. 4 and 5 show
It shows an embodiment in which the present invention is applied to a folding umbrella.

As shown in FIG. 4 (A), in the folding umbrella, the first pipe 31a is telescopically inserted into the second pipe 31b, and the second pipe 31b is telescopically inserted into the third pipe 31c. Inserted nesting center rod 31 and center rod 31
Upper wheel 32 provided at the upper end of the (first pipe 31a)
A lower lock 33 slidably inserted into the center rod 31 below the upper lock 32; a foldable rib 34 having a base end pivotally connected to the upper lock 32; It has a skeleton mechanism composed of 33 and a skeleton 35 pivotally connected to the ribs 34. At this time, when the lower wheel 33 is raised to the uppermost opening position U located on the first pipe 31a as shown by the solid line in the figure, the frame mechanism is opened and, conversely,
As shown by the chain line in the figure, the lower pipe 33 is the second pipe 31b.
When the lowermost umbrella closing position D located at is lowered, the framework mechanism is closed. Accordingly, the open umbrella position U defined by the lower wheel 3 is located on the first pipe 31a, and the closed umbrella position D is located on the second pipe 31b. That is, the lower wheel 33 at the closed umbrella position D does not reach the third pipe 31c. The skeleton mechanism in the illustrated example shows a so-called topless skeleton type, and the main rib 34 is
A base bone 34 pivotally connected to an intermediate portion of the upper wheel 32 and the fulcrum 35
a, a front bone 34b pivotally connected to the tip of the fulcrum 35, and a link bone 34c for linking and connecting the base bone 34a and the front bone 34b.
However, it is not limited to such a frame structure. The center rod 31 is preferably provided with a repellent for locking and fixing the lower wheel 33 at the open umbrella position U and / or the closed umbrella position D.
6 is preferably provided.

The first pipe 31a and the second pipe 31b are
In a mutually extended state, the second pipe 31b and the third pipe 31c are fixedly connected to each other so as not to be rotatable about the axis through the fixed connecting means 38, and the second pipe 31b and the third pipe 31c are in a mutually extended state in a rotational connecting means. Via 37, they are connected to each other so as to be rotatable about their axes.

As shown in FIG. 5, the first pipe 31a is
It is formed of a pipe material having a non-circular cross section, in the case of the illustrated example, a pipe material in which grooves 38 are provided at portions facing each other in the circumferential direction. On the other hand, the second pipe material 31b is formed of a pipe material having a circular cross section (annular shape) into which the first pipe 31a is slidably inserted, but the second pipe material 31b has the same cross-sectional outer shape as the first pipe 31a at the tip. A sleep 39 having an internal cross section is fixed by caulking 40 or the like, and the first pipe 31a is slidably inserted through the sleeve 39. Therefore, the first pipe 31a has a stopper 41 fixed to the groove 38 in the vicinity of the tail end, and when the first pipe 31a is extended from the second pipe 31b, the stopper 41 comes into contact with the sleep 39 to remove the first pipe 31a. It constitutes a stopping means. Furthermore, at the tail end of the first pipe 31a,
The ball 43 elastically held by the spring 42 is configured to project from the outer peripheral surface, and when the first pipe 31a is extended from the second pipe 31b, the ball 43 enters and locks in the hole 44 of the second pipe 31b. By doing so, a temporary fixing means for temporarily fixing the first pipe 31a to the second pipe 31b so as not to contract freely is configured. Therefore,
When the first pipe 31a is extended from the second pipe 31b, the first pipe 31a and the second pipe 31b cannot rotate about their axes, and the stopper 41 prevents the first pipe 31a from coming off. The balls 43 form the fixed connecting means 38 for temporarily fixing the first pipe 31a. When the first pipe 31a is pushed in from the extended state, the ball 43 retracts inward from the hole 44, and the first pipe 31a slides inside the second pipe 31b.

The third pipe 31c is formed of a pipe material having a circular cross section (annular shape) into which the second pipe 31b is slidably and slidably inserted. A guide portion 45 having an inner diameter matching the diameter is formed. Therefore, the second pipe 31
A stopper 46 is fixed to the outer periphery in the vicinity of the tail end of b, and when the second pipe 31b is extended from the third pipe 31c, the stopper 46 comes into contact with the guide portion 45 to form retaining means. To do. Furthermore, the second pipe 3
A hemispherical projection 48 elastically held by a spring 47 is configured to project from the outer peripheral surface at the tail end portion of 1b. When the second pipe 31b is extended from the third pipe 31c, the projection 48 is formed. The second pipe 31b temporarily protrudes from the end of the guide portion 45 of the third pipe 31c so as to be temporarily fixed to the third pipe 3cb so as not to contract freely. That is, as shown in FIG. 4 (B), when the second pipe 31b is extended from the third pipe 31c, the stopper 46 and the guide portion 45 contact each other to prevent the second pipe 31c from coming off, and the protrusion 48 is A rotary connecting means 37 that allows the second pipe 31b and the third pipe 31c to rotate around the axis while temporarily fixing the second pipe 31b so that the second pipe 31b does not freely return to the contracting direction outside the third pipe 31c. Is achieved. When the second pipe 31b is pushed in from the extended state, as shown in FIG. 4 (C),
The protrusion 48 is pushed inward by the guide portion 45, and the second pipe 31b slides inside the third pipe 31c.

According to this embodiment, the upper wheel 2 and the lower wheel 3 are in the open state shown by the solid line in FIG. 4 (A).
The skeleton mechanism including the main rib 4 and the fulcrum 5 is rotatable integrally with the first pipe 31a and the second pipe 31b with respect to the third pipe 31c provided with the hand 6. Therefore, when an external force such as a strong wind is received, the frame mechanism rotates integrally with the first pipe 31a and the second pipe 31b, so that stress is not concentrated on the bone portion and the rocker portion, and there is no risk of damage. . In addition, when the user holds the third pipe 31c or the hand 36 with one hand and pushes up the lower wheel 33 with the other hand, the lower roller 33 forming a part of the frame mechanism opens the umbrella from the closed position D. Until reaching the position U, it does not always rotate on the outer periphery of the second pipe 31b and the first pipe 31a (only rotates integrally), so the finger holding the lower lock 33 for performing the opening / closing operation is the first finger. There is no risk of being injured by being packed between the second pipe 31b or the first pipe 31a and the lower wheel 33.

[0027]

According to the present invention, since the skeleton mechanism is configured to be rotatable about the axis of the center rod, when a strong wind or other external force is applied when the umbrella is opened, the shock can be absorbed and absorbed by the rotation. Moreover, there is an advantage that such a rotation can provide a western umbrella having an excellent taste.

With respect to this point, for example, when the rotating mechanism is provided between the center rod and the wheel, there is a problem that the fragile wheel is easily damaged, and when the user operates the lower wheel when opening and closing the umbrella. According to the present invention, in the long umbrella, the open position and the closed position of the center rod 1 are closed while the fingers are stuffed between the rotatable lower wheel and the center rod, and the fingers are injured. The rotary connecting means 7 is provided in the portion M between the positions, and in the folding umbrella, the second pipe 31b and the third pipe 31 of the center rod 1 located below the closed umbrella position D.
Since the rotation connecting means 37 is provided in the portion between c, the frame structure is always a middle rod (in the case of a long umbrella, an upper pipe in the vicinity of the opening umbrella where force is applied to the finger holding the lower lock. In the case of the material 1a and the folding umbrella, it is rotated integrally with the first pipe 31a and the second pipe 31b), and there is an effect that the above-mentioned problems can be solved.

[Brief description of drawings]

1A and 1B show an embodiment in which the present invention is applied to a long umbrella, FIG. 1A is an explanatory view showing almost the entire umbrella, and FIG. 1B is a cross-sectional view showing a rotary connecting means.

FIG. 2 is an exploded perspective view of the rotary connecting means of the umbrella.

FIG. 3 is an exploded perspective view showing a state where a connecting unit is configured in the rotary connecting means of the long umbrella.

4A and 4B show an embodiment in which the present invention is applied to a folding umbrella, FIG. 4A is an explanatory view showing almost the entire umbrella, and FIG. 4B is a sectional view showing the rotary connecting means in an expanded state. [Fig. 4] is a cross-sectional view showing the rotary connecting means in an expanded state.

FIG. 5 is an exploded perspective view of the rotary connecting means of the folding umbrella.

[Explanation of symbols]

1 middle rod 1a Upper pipe 1b Lower pipe 7 Rotational connection means 8 tubular members 9 Core member 10 connection units 31 Middle Rod 31a First pipe 31b Second pipe 31c Third pipe 37 Rotational connection means

Claims (3)

[Claims] 1. A center rod 1, an upper wheel 2 provided at an upper end of the center rod, a lower wheel 3 slidably inserted on the center rod below the upper wheel, and a base end portion of the upper wheel. Bone 4 pivotally connected to
And a lower support 3 which is provided at both ends with a lower lock and a fulcrum 5 pivotally connected to the ribs, and the lower lock 3 which slides up and down along the center rod allows the uppermost umbrella position U and the lowermost closed position. In the long umbrella that defines the umbrella position D, the center rod 1 is located between the open and closed umbrella positions M to form an upper pipe 1a and a lower pipe 1b that are vertically divided. And a lower pipe are coaxially connected to each other, and a rotary connecting means 7 is provided for connecting the lower pipe and the lower pipe coaxially with each other so as to be rotatable about an axis. 2. The rotary connecting means 7 comprises a tubular member 8 and a core member 9 inserted into the tubular member, and a portion 17 of the tubular member is deformed into an annular groove 13 formed in the circumferential direction of the core member. The connecting unit 10 that connects the tubular member and the core member to each other so as to be rotatable and axially immovable by configuring the connecting unit 10 and the end portion 2 of the tubular member 8 that constitutes one end of the connecting unit 10
0 and the end 11 of the core member 9 constituting the other end of the connecting unit 10 are inserted into and fixed to the upper pipe 1a and the lower pipe 1b, respectively. . 3. A nesting center rod 3 in which the first pipe 31a is telescopically inserted into the second pipe 31b and the second pipe 31b is telescopically inserted into the third pipe 31c in order from the top.
3, an upper roller 32 provided at the upper end of the center rod, and a lower roller 33 slidably inserted on the center rod below the upper roller.
A foldable rib 34 whose base end is pivotally connected to the upper wheel.
And a lower rocker 3 having both ends each having a lower rocker and a fulcrum 35 pivotally connected to the ribs, which slides up and down along the center rod.
3 is the highest umbrella opening position U located in the first pipe 31a
And a folding umbrella that defines the lowest closed umbrella position D located on the second pipe 31b, in a state where the second pipe 31b is pulled out from the third pipe 31c and extended, and between the second pipe and the third pipe. In addition, the retaining means 45 and 46 for preventing the retainer from coming out and the temporary retaining means 45 and 48 for temporarily retaining the extended state so as not to contract.
Is provided, and by the retaining means and the temporary retaining means,
A western umbrella comprising a rotation connecting means 37 for allowing mutual rotation of the second pipe and the third pipe around the axis.