RU98677U1 - SAFE DESIGN FOR CONTROL OF EXTRACTION AND EXTRACTION OF THE CENTRAL ROD OF AUTOMATICALLY OPENING / CLOSING UMBRELLA - Google Patents

Abstract

 1. A safe design for controlling the pulling and pulling of the central shaft of an automatically opening / closing umbrella, having a main body, a cuff, an actuating plate, a locking plate and an anti-return wheel that fits in the handle of the umbrella, the central shaft of the umbrella has a first segment at the lower end of which an insertion tube is inserted and fixed in it, having an opening on one of its sides, and which is included in the main body and fixed in it, is located in the cuff the rug mounted on the first segment, the actuating plate and the locking plate are engaged with each other and are mounted on the main body under one of the sides of the cuff, one of the sides of the locking plate is biased by a spring, the wheel located under the a plate and having one of the sides with a gear surface on which a plurality of interlocking teeth are made, inclined in one direction, the wheel enters the anti-return stroke and is fixed a cylindrical spring is drawn in it, a safety cable is wound on the wheel preventing the reverse stroke, one end of which is attached to the wheel preventing the reverse stroke, and the opposite end of which is attached to the top of the umbrella, and in case of an erroneous operation of compression of the central stem of the umbrella when closing the umbrella due to immediate the entry of the locking plate and preventing the wheel from returning into engagement with each other and the pulling action carried out by the safety cable, compressible central

Description

FIELD OF THE INVENTION

The present invention relates generally to an automatically opening / closing umbrella, more specifically, to a control structure of a central shaft of an automatically opening / closing umbrella.

Description of the prior art

U.S. Pat. No. 6,684,893 describes an automatically opening / closing umbrella 10 shown in FIGS. 1-3. The known umbrella has a handle 1, inside which an actuator 2 is placed, a central rod assembly 3, inside which a spring 6 opening the umbrella enters, and a runner 4 connected to the ribs 7 and having a pull cable 51 wound thereon, one end of which is attached to the apex 41 and the opposite end is attached to the ball head 5. The actuator 2 has a hollow body, within which its components are located, including the control ring 201, the control rod 202 and the key 203.

As shown in figure 1, the control ring 201 has a spring 2011, which is installed externally from one of its sides. The control ring 201 has a protruding rod 2012 at the location of the spring 2011, for gripping and fixing the slider 4, to keep the umbrella folded. In addition, the control rod 202 is connected by a pivot pin 2021 to the bottom of the control ring 201 in a position close to the key and has a torsion spring 2022 that typically holds the control rod 202 in a horizontal position. The inner tube 34 included in the third segment 33 of the central shaft and offset by a flat spring 311 pushes the ball head 5, which engages with the locking hole in the first segment 31 of the central shaft of the center shaft assembly 3.

To close the umbrella, press the key 203, and the control rod 202 presses on the ball head 5, forcing it to disengage from the first segment 31 of the central rod and allowing the slider 4 to move. Under the action of the umbrella closing springs 71 located on the ribs 7, the ribs 7 and the umbrella dome are folded, and the slider 4 moves down (see FIG. 3). Then, they press on the upper end of the umbrella to compress the node 3 of the central rod in the direction of the handle 1, as a result of which the closing of the umbrella is completed, as shown in figure 1.

However, to close the umbrella, it is necessary to compress the spring 6 opening the umbrella, which is located inside the center rod assembly 3. Since the umbrella opening spring 6 has sufficient rigidity and compression force, the user must exert a great effort to fold the umbrella. If the force is applied erroneously, the compressed spring opening the umbrella 6 with a great force elastically pushes back the node 3 of the Central rod. In this case, the user often injures his hands or other parts of the body. Thus, the closing operation of a known auto-open / close umbrella is dangerous and needs to be improved.

Summary of the invention

The present invention provides a safe control structure for safely controlling the pulling and pulling of a central shaft of a folding umbrella, generally indicated by 2 in FIG. 4. The control structure 2 according to the present invention has the following constituent elements, including a main body 20, a cuff 21, an actuation plate 22, a locking plate 23 and a wheel 24 preventing the wheel from returning. At the lower end of the first segment 31 of the rod assembly 3 of the central umbrella shaft, which will be further described. further and which enters the main body 20 and is fixed inside it, an insert tube 35 with an opening on one of its sides enters and is fixed in it. The first segment of the rod 31 also has an opening 311 on one of its sides near the lower end and also has an elongated groove 312, at the upper end of which an opening 313 is made from a side proximal to the first segment 31 of the rod. The cuff 21 includes a spring 28, which is mounted on the first segment 31 of the rod. The actuating plate 22 and the locking plate 23 are engaged with each other on the main body 20 and are located under one of the sides of the sleeve 21. One of the sides of the locking plate 23 is biased by the spring 29. The anti-return wheel 24 is mounted on the main body 20 and is located under the locking the plate 23, while one of its sides has a gear surface 241 with many interlocking teeth that are inclined in one direction. A cylindrical spring 242 enters the return-preventing wheel 24. A safety cable 25 is wound on the return-preventing wheel 24, one end of which is attached to the return-preventing wheel 24, and the opposite end passes through an elongated groove 312 of the first shaft segment 31 and through the hole 313 , goes into the inner space of the node 3 of the Central rod and is attached to the top 41 of the umbrella. If during the closing of the umbrella erroneous compression of the central stem of the umbrella occurs, due to the engagement that immediately forms between the locking plate 23 and the wheel 24 preventing the back stroke, and the pulling action provided by the safety cable 25, the central stem assembly 3, which is under compression, remains in place, and this prevents a sharp stretching of the node 3 of the Central rod under the action of the spring opening umbrella 6. Through the use of a device of this kind, which affects Directly on the central shaft of the umbrella, absolute safety can be guaranteed when using and controlling the opening of the umbrella.

Brief Description of the Drawings

Figure 1-3 schematically illustrates the design and operation of a conventional automatically opening / closing umbrella,

figure 4 shows a three-dimensional image with a spatial separation of parts of a safe structure for controlling the pulling and pulling of the Central rod according to one embodiments of the present invention,

5-7 schematically illustrate the structure and operation of a safe structure for controlling the pulling and pulling of a central shaft according to the present invention,

FIGS. 8 and 9 schematically illustrate an improvement in a safe structure for controlling the pulling and pulling of a central shaft according to another embodiment of the present invention.

Detailed Description of Preferred Embodiments

The present invention provides a safe control structure for safely controlling the pulling and pulling of a central shaft of a folding umbrella, which is generally indicated by 2 in FIG. 4. The control structure 2 according to the present invention has the following constituent elements, including a main body 20, a cuff 21, an actuation plate 22, a locking plate 23 and a wheel 24 preventing the wheel from returning. At the lower end of the first segment 31 of the rod assembly 3 of the central umbrella shaft, which will be further described. further and which enters the main body 20 and is fixed inside it, an insert tube 35 with an opening 351 on one of its sides enters and is fixed in it. The first segment of the rod 31 also has an opening 311 on one of its sides near the lower end and also has an elongated groove 312, at the upper end of which an opening 313 is made from a side proximal to the first segment 31 of the rod. The cuff 21 includes a spring 28, which is mounted on the first segment 31 of the rod. The actuating plate 22 and the locking plate 23 are engaged with each other on the main body 20 and are located under one of the sides of the sleeve 21. One of the sides of the locking plate 23 is biased by the spring 29. The anti-return wheel 24 is mounted on the main body 20 and is located under the locking the plate 23, while one of its sides has a gear surface 241 with many interlocking teeth that are inclined in one direction. A cylindrical spring 242 enters the return-preventing wheel 24. A safety cable 25 is wound on the return-preventing wheel 24, one end of which is attached to the return-preventing wheel 24, and the opposite end passes through an elongated groove 312 of the first shaft segment 31 and through the hole 313 , goes into the inner space of the node 3 of the Central rod and is attached to the top 41 of the umbrella. If during the closing of the umbrella there is an erroneous compression of the central stem of the umbrella, due to the engagement that immediately forms between the locking plate 23 of the wheel 24 preventing the return stroke and the pulling action provided by the safety cable 25, the central shaft assembly 3, which is under compression, remains in place, and thereby preventing a sharp stretching of the node 3 of the Central rod under the action of the umbrella opening spring 6 (which will be further described below). By using a device of this kind that acts directly on the central shaft of the umbrella, absolute safety can be guaranteed when using and controlling the opening of the umbrella.

As shown in FIG. 5, the present invention provides a safe structure for controlling the pulling and pulling of a central shaft of an automatically opening / closing umbrella, which will be illustrated with an example of a triple-folded umbrella, typically having the following constituent elements including a handle 1, a central rod assembly 3, the runner 4, the ball head 5, revealing the umbrella spring 6 and the ribs 7. The handle 1 is equipped with a key 11, which has a control ring 26 and a control rod 27. Node 3 of the Central The rod consists of the first segment 31 of the rod, the second 32 segment of the rod and the third 33 segment of the rod, which are telescopically mounted on top of each other. The third 33th segment of the shaft has an upper end on which a top 41 is fixed, and a lower end with a locking hole 331 on one of its sides. The top 41 has a lower end to which the inner tube 34 is attached. Between the first rod segment 31 and the inner tube 34, an umbrella opening spring 60 is arranged.

Under the inner tube 34, there is a ball head 50, which has an upper end with a pull cable 51 attached to it, which extends upward through the inner tube 34, is wound onto a pulley inside the apex 41, and then comes out and wound onto a pulley inside the runner 4, while its distal end is attached to the top 41. The control structure according to the present invention, generally indicated by 2, is placed in the handle 1 and attached to the lower end of the first segment 31 of the rod.

Figure 5 shows the design of an automatically opening / closing umbrella according to the present invention in a compressed and closed state in which the locking hole 331 of the third 33 segment of the rod and the protrusion 261 on the control ring 26 are engaged with each other to hold in place the node 3 of the Central the rod. At the same time, the control rod 27 is shifted down by the third 33 segment of the rod and is inclined. The ball head 50, which is connected to the runner 4 by the pulling cable 51, is shifted downward by the inner tube 34 and offset by a flat spring 36 located inside the insertion tube 35, which is included in the first segment 31 of the rod and is part of the control structure according to the present invention, as a result of which it engages and is thereby fixed in the hole 351 of the insertion tube 35. At the same time, the second 32 segment of the rod pushes the sleeve 21 down so that the upper flange of the sleeve 21 comes into contact with the upper end of the actuator plate 22, as a result, the actuating plate 22 is rotated and its upper end moves to the right, as shown in the drawing. The actuating plate 22 has a lower end that is engaged with the upper end of the locking plate 23, is in contact with the locking plate 23 and rotates it so that the upper end of the locking plate 23 moves to the left, whereby the lower end of the locking plate 23 moves to the right and thereby leaves out of engagement with the gear surface 241 preventing the reverse stroke of the wheel 24. In this case, the cylindrical spring 242, located in the anti-return wheel 24, is in a fully released state, and dohranitelny cable 25 is wound on preventing reverse wheel 24.

As shown in FIG. 6, to open the umbrella, press the key 11 to thereby shift the control ring 26 inward and disengage the protrusion 261 from the locking hole 331 of the third 33 segment of the rod. Under the action of the spring-opening umbrella 6 located inside the central shaft assembly 3, the central shaft assembly 3 is fully extended and the slider 4, which moves upward together with the central shaft assembly 3, forcibly opens all the ribs 7 to complete the umbrella opening operation. In this case, the control rod 27 returns to the horizontal position and is in contact with the ball head 5. The safety cable 25, the upper end of which is attached to the top 41, is pulled upward together with the upward movement of the top 41 and causes a counterclockwise rotation preventing the wheel 24 from returning, as a result of which the coil spring 242 is twisted inside the wheel 24 preventing the reverse stroke.

As shown in Fig. 7, to close the umbrella, press the button 11 again, and the control rod 27 pushes the ball head 5 so that it disengages from the hole 351 of the insertion tube 35. Under the action of the spring closing the umbrella 71, which is provided with each rib 7, rib 7 folds and moves the slider 4 down. The traction cable 51 moves the ball head 5 up to the lower end of the inner tube 34. In this case, the cuff 21 is no longer fixed in place by the second 32 segment of the rod, is displaced upward by the spring 28 and returns to its original position. The spring 29, located on one side of the locking plate 23, forces the upper end of the locking plate 23 to rotate to the right, as a result of which its lower end rotates to the left and again engages with the gear surface 241 of the anti-return wheel 24.

As shown in FIGS. 5 and 7, the final stage of closing the umbrella consists in compressing the node 3 of the central stem of the umbrella. When an external force is applied to the central shaft assembly 3 and thereby compressing it, the safety cable 25 follows the inwardly directed compression of the central shaft assembly 3 and is released. At the same time, the return force of the cylindrical spring 242 acts on the wheel preventing the reverse stroke 24, and it rotates clockwise. Due to the fact that the engaging teeth of the gear surface 241 of the anti-return wheel 24 are inclined to one side, when the anti-reverse wheel 24 is turned clockwise, the locking plate 23 does not limit the gear surface 241, but when the compressive force ceases, the spring force exerted by the opening umbrella 6 spring inside the node 3 of the Central rod, tends to stretch the node 3 of the Central rod, but since the end of the safety cable 25 mounted on the prevent reverse One wheel 24 is attached to the apex 41, the tensile force is transmitted through the safety cable 25, which tries to rotate the wheel 24, which prevents the reverse movement, counterclockwise, as a result of which the locking plate 23 engages and fixes the clutch teeth of the anti-tooth surface 241 that are inclined to one side the return stroke of the wheel 24, in order to prevent the reverse wheel 24 from turning counterclockwise, and directly holds the third 33 segment of the shaft in place, so that immediately stop unwanted sharp pulling of the node 3 of the Central rod. Thus, if the compression operation of the umbrella is incorrect and erroneous, the locking plate 23 holds in place the anti-return wheel 24, which directly holds the central rod assembly 3 in place so as to prevent the compressed spring opening umbrella 6 from acting on the central rod assembly 3 and prevent unwanted stretching, due to which the safety of the automatically opening / closing umbrella can be guaranteed.

On Fig and 9 shows one of the improvements of the present invention, in which on the handle 1 of the umbrella there are two keys for opening and closing the umbrella, respectively. In addition, inside the handle 1 are two corresponding control rings 26, interacting with two keys 11 to perform the corresponding operations. This design provides the same result as the one-key design.

Claims (2)

1. A safe design for controlling the pulling and pulling of the central shaft of an automatically opening / closing umbrella, having a main body, a cuff, an actuating plate, a locking plate and an anti-return wheel that fits in the handle of the umbrella, the central shaft of the umbrella has a first segment at the lower end of which an insertion tube is inserted and fixed in it, having an opening on one of its sides, and which is included in the main body and fixed in it, is located in the cuff the rug mounted on the first segment, the actuating plate and the locking plate are engaged with each other and are mounted on the main body under one of the sides of the cuff, one of the sides of the locking plate is biased by a spring, the wheel located under the a plate and having one of the sides with a gear surface on which a plurality of interlocking teeth are made, inclined in one direction, the wheel enters the anti-return stroke and is fixed a cylindrical spring is drawn in it, a safety cable is wound on the wheel preventing the return stroke, one end of which is attached to the wheel preventing the reverse stroke, and the opposite end of which is attached to the top of the umbrella, in case of an erroneous operation of compression of the central stem of the umbrella when closing the umbrella due to the immediate the entry of the locking plate and preventing the wheel from returning into engagement with each other and the pulling action carried out by the safety cable, the compressible central the rod remains in place, thereby preventing a sharp extension of the central rod of the umbrella under the action of the spring opening umbrella. 2. The safe design for controlling the pulling and pulling of the central shaft according to claim 1, wherein the first segment has an opening located on one of its sides near the lower end and also has an elongated groove with an opening at its upper end from the side proximal to the first segment rod, while the safety cable runs along the elongated groove of the first segment and through the hole enters the inner space of the central rod and is attached to the top of the umbrella.