JP3006214U - Spring Guard Mechanism for Western Umbrella - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent the injury of the user and the damage to the umbrella ground when the western umbrella is closed by guarding the spring portion of the western umbrella. [Structure] A slider wheel 8 provided below the lower wheel 5 and slidable in the axial direction of the center rod 3, a spring 9 provided between the lower wheel and the slider wheel, and one end of which is opposed to the slider wheel. A plurality of auxiliary ribs 10 pivotally connected at a fixed angular interval and the other end pivotally connected to an intermediate portion of the rib 7 and a sub-bracket 10 provided below the upper wheel 4 and contacting the lower wheel 4. In the umbrella 1 provided with the stopper 11 and the locking mechanism 12 provided above the handle 2 for locking the slider wheel, the cylindrical member 14 surrounding the spring is provided between the lower wheel and the slider wheel. The tubular member is characterized in that one end is connected to the lower wheel and the other end is housed in the slider wheel so that the tubular member moves in the axial direction of the center rod together with the slider wheel.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a spring guard mechanism for a western umbrella that prevents fingers or umbrellas from being caught between the lines of the spring when the umbrella is closed.

[0002]

[Prior art]

 FIG. 3 shows a conventional western umbrella. In the figure, the umbrella 15 has a center rod 3 having a handle 2 at one end, an upper wheel 4 attached to the other end of the center rod 3, and a middle rod 3 which is inserted through the center rod 3 and slides in the axial direction of the center rod 3. A movable lower rocker 5 is provided, and a plurality of ribs 6 are pivotally connected to the upper rocker 4, and an intermediate portion of the rib 6 and the lower rocker 5 are pivotally connected by a plurality of ribs 7. ing. Further, a slider lock 8 is provided below the lower lock 5 via a spring 9, and the slider lock 8 is pivotally connected to an intermediate portion of the support 7 via a plurality of sub-supports 10. A stopper 11 with which the lower wheel 5 abuts is provided below the upper wheel 4, and a locking mechanism 12 for locking the slider wheel 8 is provided above the handle 2 and the locking mechanism 12 is provided. Is provided with a locking piece 12a that engages the slider wheel 8 and an operating portion 12b that releases the engagement between the locking piece 12a and the slider wheel 8.

In the above-mentioned western umbrella 15, when the slider rocker 8 is moved downward by hand, the rib 6 pivots around the pivot point of the upper rocker 4 and closes, and the lower rocker 5 moves downward. When the lower wheel 5 and the slider wheel 8 move downward, the lower wheel 5 approaches the slider wheel 8 and the spring 9 is compressed between the lower wheel 5 and the slider wheel 8. Then, when the slider wheel 8 is engaged with the locking piece 12a of the locking mechanism 12, the slider wheel 8 is locked by the locking piece 12a, and the western umbrella 15 is closed. When the operating portion 12b of the locking mechanism 12 is operated to release the engagement between the locking piece 12a and the slider lock 8, the elasticity of the spring 9 pushes up the lower lock 5 and the lower lock 5 and the slider lock 8 Moves upward along the center rod 3 and the rib 6 pivots around the pivot point of the upper wheel 4 to open the umbrella 15 as shown in FIG.

[0004]

[Problems to be solved by the device]

 In the umbrella having the above structure, the spring 9 is exposed, and when the slider rocker 8 is moved downward by hand, the fingers or the umbrella cloth is easily caught between the lines of the spring 9, which may cause an injury or an umbrella cloth. There was a problem such as damage to. Therefore, the problem to be solved by the present invention is to prevent the injury of the user when opening the umbrella and the damage to the umbrella ground by guarding the spring portion of the umbrella.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned subject, the present invention provides a center rod 3 having a handle 2 at one end, an upper roller 4 attached to the other end of the center rod 3, and a center rod 3 inserted through the center rod 3. A lower roller 5 slidable in the axial direction of the rod 3 and a plurality of ribs 6 having one end pivotally connected to the upper roller 4 at a constant angular interval and the other end extending in the radial direction. And a plurality of ribs 7 having one end pivotally connected to the lower rocker 5 at a constant angular interval and the other end pivotally connected to an intermediate portion of the rib 6. There is a slider wheel 8 which is provided below the lower wheel 5, is inserted through the center rod 3, and is slidable in the axial direction of the center rod 3, the lower wheel 5, and the slider wheel 8. Between the spring 9 and one end of the slider rocker 8 at a constant angle. A plurality of auxiliary ribs 10 pivotally connected at intervals and the other end of which is pivotally connected to an intermediate portion of the rib 7, and the lower ribs 5 are provided below the upper lock 4 and the lower lock 5. A stopper 11 which comes into contact with the slider 2 is provided above the handle 2 and engages with the slider wheel 8 to lock the slider wheel 8 and the engagement piece 12a with the slider wheel 8. And a locking mechanism 12 having an operating portion 12b for releasing the lock. When the slider rocker 8 is moved downward along the center rod 3, the rib 6 is closed and the lower rocker 5 is brought close to the slider rocker 8. Then, the spring 9 is compressed between the lower wheel 5 and the slider wheel 8, and when the slider wheel 8 is engaged with the locking piece 12a, the compressed state of the spring 9 is maintained, When the engagement between the idling wheel 8 and the locking piece 12a is released, the elastic force of the spring 9 causes the lower roller 5 and the slider wheel 8 to move upward, so that the rib 6 is opened. A tubular member 14 that surrounds the spring 9 is provided between the lower wheel 5 and the slider wheel 8. One end of the tubular member 14 is connected to the lower wheel 5 and the other end thereof is the slider wheel 8. 8 is a guard mechanism for a spring in a western umbrella, which is housed in the inside and is moved along with the lower wheel 5 in the axial direction of the center rod 3.

[0006]

[Action]

 Since the spring 9 is surrounded by the tubular member 14, when the slider lock 8 is manually moved downward, no finger or umbrella is caught between the lines of the spring 9.

[0007]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a schematic side view of a guard mechanism in a western umbrella according to the present invention, and FIG. 2 is a schematic side view showing an overall configuration of a western umbrella 1 having the guard mechanism of FIG. In FIG. 2, the western umbrella 1 is inserted through the center rod 3 having the handle 2 at one end, the upper wheel 4 attached to the other end of the center rod 3, and the center rod 3 in the axial direction. A lower roller 5 that is slidable, one end of which is pivotally connected to the upper roller 4 at a constant angular interval, and the other end of which extends in the radial direction. And a plurality of ribs 7 pivotally connected to each other at a constant angular interval and the other end of which is pivotally connected to an intermediate portion of the main rib 6. Further, the western umbrella 1 is provided below the lower wheel 5, is inserted into the center rod 3, and is slidable in the axial direction of the center rod 3, and between the lower wheel 5 and the slider wheel 8. The spring 9 (shown in FIG. 1) provided at the one end is pivotally connected to the slider lock 8 at a constant angular interval, and the other end is pivotally connected to the intermediate portion of the rib 7. A plurality of auxiliary ribs 10, a stopper 11 provided below the upper lock 4 and contacting the lower lock 5, and a locking mechanism 12 provided above the handle 2 for locking the slider lock 8. It is equipped with. As shown in FIG. 1, the slider wheel 8 has a through hole 13 extending in the axial direction and having a circular cross section. The through hole 13 has a small diameter portion 13a having a reduced inner diameter at the lower end, and the small diameter portion 13a forms an annular shoulder 13b. The shoulder 13b receives one end of the spring 9. As shown in FIG. 2, the locking mechanism 12 includes a locking piece 12a that automatically engages with the slider lock 8 when the slider lock 8 is abutted to lock the slider lock 8, and the locking piece 12a. The operating unit 12b for releasing the engagement of the slide lock 8 is provided. When the slider wheel 8 is moved downward along the center rod 3, the rib 6 is pivoted around the pivot point of the upper wheel 4 and closed, and the lower wheel 5 is moved downward along the center rod 3, The roller 5 approaches the slider roller 8, and the spring 9 is compressed between the lower roller 5 and the slider roller 8.

Further, according to the present invention, a tubular member 14 for surrounding the spring 9 is provided between the lower wheel 5 and the slider wheel 8. In this embodiment, the cylindrical member 14 is made of a metal ground product and has a circular cross-sectional shape. The outer diameter of the cylindrical member 14 is smaller than the inner diameter of the through hole 13 on the upper end side. The diameter is larger than the diameter, one end is connected to the lower end of the lower lock 5, and the other end is housed in the through hole 13, so that it moves together with the lower lock 5 in the axial direction of the center rod 3. The length of the tubular member 14 and the position of the shoulder 13b of the through hole 13 are set such that when the lower wheel 5 is moved to the lowest position, that is, when the lower wheel 5 and the slider wheel 8 are closest to each other. When the lower end of the member 14 is not in contact with the shoulder 13b of the through hole 13 and the lower wheel 5 is moved to the uppermost position, that is, when the lower wheel 5 and the slider wheel 8 are farthest apart, the tubular shape The lower end of the member 14 is set so as not to come out of the through hole 13.

The method of opening and closing the western umbrella 1 having the above-mentioned configuration is the same as that of the conventional western umbrella. When closing, the slider lock 8 is manually moved downward to lock the slider lock 8 by the locking mechanism 12. Engage with piece 12a. When the slider wheel 8 is moved downward, the rib 6 pivots around the pivot point of the upper wheel 4 and closes, the lower wheel 5 moves downward, the lower wheel 5 approaches the slider wheel 8, and the lower wheel 8 moves. The spring 9 is compressed between the slider 5 and the slider wheel 8. The cylindrical member 14 moves together with the lower wheel 5 and is inserted deeper into the through hole 13 of the slider wheel 8. When the slider wheel 8 is moved downward, since the spring 9 is guarded by the tubular member 14, the fingers and the umbrella cloth are not caught between the lines of the spring 9. When the slider lock 8 is engaged with the locking piece 12a of the locking mechanism 12, the slider lock 8 is locked by the locking piece 12a and the compressed state of the spring 9 is maintained. When the western umbrella 1 is opened, the operating portion 12b of the locking mechanism 12 is operated to release the engagement between the slider lock 8 and the locking piece 12a. The lower rocker 5 is pushed up by the elastic force of the spring 9, the lower rocker 5 and the slider rocker 8 move upward along the center rod 3, and the rib 6 rotates about the pivot point with the upper rocker 4. open. When the lower wheel 5 comes into contact with the stopper 11, the movement of the lower roller 5 and the slider wheel 8 and the rotation of the rib 6 are stopped, and the umbrella 1 is opened as shown in FIG.

The material of the tubular member 14 may be other than metal, for example, synthetic resin. Further, the cross-sectional shape of the tubular member 14 may be other than circular, for example, polygonal. The tubular member 14 may be formed integrally with the slider wheel 8.

[0011]

[Effect of device]

 When the Western umbrella provided with the spring guard mechanism according to the present invention is used, since the spring 9 is surrounded by the tubular member 14, when the slider wheel 8 is moved by hand, the fingers or the umbrella cloth are not covered by the line of the spring 9. It will not get caught between the user and it will not injure the user or damage the umbrella. Therefore, it is safe.

[Brief description of drawings]

FIG. 1 is a partially cutaway side view showing an embodiment of a spring guard mechanism in a western umbrella according to the present invention.

FIG. 2 is a schematic side view showing an overall configuration of a western umbrella 1 including the guard mechanism of FIG.

FIG. 3 is a schematic side view showing an overall configuration of a conventional western umbrella 15.

[Explanation of symbols]

 1 Western-style umbrella 2 Handle 3 Middle rod 4 Upper wheel 5 Lower wheel 6 Ribbon 7 Ribbon 8 Slider rocker 9 Spring 10 Secondary bone 11 Stopper 12 Locking mechanism 12a Locking piece 12b Operating part 14 Cylindrical member

Claims (2)

[Scope of utility model registration request] 1. A center rod 3 having a handle 2 at one end, an upper roller 4 attached to the other end of the center rod 3, and an intermediate rod 3 inserted through the center rod 3 and sliding in the axial direction of the center rod 3. A possible lower roller 5, a plurality of ribs 6 having one end pivotally connected to the upper roller 4 at a constant angular interval, and the other end extending in the radial direction, and one end having the lower roller 5 Is pivotally connected at a constant angular interval with respect to
And a plurality of skeletons 7 pivotally connected to the middle part of the umbrella, which is provided below the lower wheel 5 and is inserted into the center rod 3 and has a shaft of the center rod 3. A slider wheel 8 slidable in any direction, a spring 9 provided between the lower roller 5 and the slider wheel 8, and one end thereof is pivotally connected to the slider wheel 8 at a constant angular interval. , A plurality of auxiliary ribs 10 whose other ends are pivotally connected to an intermediate portion of the ribs 7, a stopper 11 provided below the upper wheel 4 and contacting the lower wheel 5, and the handle 2 Provided above the slider 8
A locking piece 12 for engaging the slider and locking the slider wheel 8
a and the locking piece 12a and a locking mechanism 12 having an operating portion 12b for releasing the engagement of the slider rocker 8, and when the slider rocker 8 is moved downward along the center rod 3, the rib 6 is formed. Closes with the lower rocker 5
Approaches the slider wheel 8, the spring 9 is compressed between the lower wheel 5 and the slider wheel 8, and when the slider wheel 8 is engaged with the locking piece 12a, the compressed state of the spring 9 is maintained. When the engagement between the slider wheel 8 and the locking piece 12a is released, the lower roller 5 and the slider wheel 8 are moved upward by the elastic force of the spring 9 so that the rib 6 is opened. In the above, a tubular member 14 surrounding the spring 9 is provided between the lower wheel 5 and the slider wheel 8, and the tubular member 14 has one end connected to the lower wheel 5 and the other end It is housed in a slider wheel 8, and is adapted to move in the axial direction of the center rod 3 together with the lower wheel 5, which is a spring guard for a western umbrella. De mechanism. 2. The spring guard mechanism for a western umbrella according to claim 1, wherein the lower wheel 5 and the tubular member 14 are integrally formed.