JP5916699B2 - Folding umbrella opening and closing device - Google Patents

Description

  The present invention relates to a folding umbrella opening and closing device.

  Conventionally, an umbrella is fixed to the upper end of a center rod that can be vertically extended and retracted in a nested manner along a predetermined axial direction, and can be slid up and down along the axial direction below the upper cross rod of the middle rod. A slot that is extended along the axial direction is provided on the upper pole side of the center rod, and the slot hole is elastic enough to prevent upper pegs from moving downward in the slot. It is provided to have a repulsive force. When opening this umbrella, grab the bottom of the umbrella with your finger and slide it along the axial direction of the center rod.If you pass over the slot, immediately after the upper repel is pushed into the slot and retreats, The umbrella can be held in an open state at the same time as it is locked by the elastic repelling force so as to prevent the downward movement of the skull. Further, the umbrella can be closed by pushing the upper repel into the slot with a finger and moving it downward in the axial direction while pulling the bottom rail (see, for example, Patent Document 1).

Taiwan registered utility model No. 450041

  In the above umbrella, the upper repel is made by press-molding a metal material with rigidity that can prevent the downward movement of the bottom cross, so that when the umbrella is opened and closed, the user's finger flips from the bottom cross and the slot. There is a risk of getting injured by getting caught between the tops. For this purpose, a separator made of a soft material is provided on the bottom pole so that the top can be pushed from above with a finger. However, the separator is worn by a rigid top so that it is damaged as it is used. There is a problem. Further, since the slot is provided in the middle bar, there is a problem that the strength of the middle bar is affected and the stability when the umbrella is held in the opened state is lowered. Moreover, since the center rod has a nested structure with a plurality of pipes whose tube diameter is narrowed from the bottom to the top, for example, the bottom rod is fitted in accordance with the lowest one of the plurality of pipes. As a result, the bottom roller forms a large gap with the thinnest pipe on the top, so the bottom wheel vibrates against the center rod and adversely affects the umbrella cloth, frame, etc. There is also a problem that it cannot be kept in a state and is easily broken.

  The present invention has been made in view of the above-described problems, and is a folding device that can stably open and close an umbrella without damaging the strength of the middle bar and without shaking in the usage state of the umbrella. An object is to provide an opening and closing device for an umbrella.

  In order to achieve the above object, a folding umbrella opening and closing device according to the present invention includes a plurality of shaft pipes each having a different shaft diameter, including at least a top pipe and a middle pipe having a shaft diameter larger than that of the top pipe. It is provided in the middle rod of the umbrella having a middle rod that is telescopically combined in a nested manner, and the umbrella is in an opened state and a closed state that is closed The bottom rod attached to the middle rod so as to be slidable up and down along the axial direction which is the direction along the central axis of the middle rod so as to be switched, and the bottom rod is fixedly positioned relative to the middle rod. For this purpose, the fixing member provided on the intermediate rod, the first position where the lower ring is locked to the fixing member, and the locked state are released, and the vertical position together with the lower ring Slidable A movable member is pressed to move in the shaft diameter direction along a direction transverse to said central axis and the position of, is made comprising a. The lower crosspiece includes an inner peripheral surface defining an inner hole having an axial diameter that can be fitted onto the intermediate rod so that a gap is formed between the top pipe and the outer peripheral surface of the inner peripheral surface and the back surface. A guide shaft that is guided so that the movable member moves along the axial radial direction, and communicates with the guide groove through the inner peripheral surface and the outer peripheral surface. And the fixing member is attached to the upper end of the middle pipe so that the upper end surface corresponding to the upper end surface of the middle pipe is prevented from moving the lower ring. An upper peripheral portion, a lower portion opposite to the upper portion, and an annular peripheral wall formed by connecting the upper portion and the lower portion, and the movable member is slidably movable along the axial radial direction. Attached to the bottom and above the fixing member A U-shape having an opening opened along the axial radial direction in a top view by a web portion that is locked and positioned by striking the upper end surface of the web, and two flange portions that protrude in the axial radial direction from both ends of the web portion The movable frame is connected to the two flange portions through the communication hole, and the web portion is engaged with the upper end surface of the upper portion of the fixing member along the axial direction. A pressing operation is slidably moved from a first position where the movable member is positioned to a second position where the movable member can move integrally with the bottom rail along the guide groove away from the first position. A pressing plate configured as described above, and between the lower wheel and the movable member, the web portion is always pushed toward the middle rod side to contact the upper end surface of the fixed member and Set to Wherein the elastic member is attached in order to.

  The umbrella opening and closing device configured as described above does not have a groove for accommodating the upper whistles up and down in the center rod as in the prior art, and therefore does not impair the strength of the center rod. The rigidity can be maintained, and the safety of use can be improved. In addition, since an elastic member connected to the movable member and the bottom pole is provided between the bottom pole and the middle rod, when the bottom rail slides up and down with respect to the middle rod, Even when there is a gap between the bottom wheel and the middle bar in the state of being closed or closed, the elastic member biases the web part so that it is always pushed toward the middle bar, so it slides stably. Therefore, it is possible to stably maintain the opened state or the closed state.

It is a disassembled perspective view which shows one Embodiment of the opening / closing apparatus of the folding umbrella which concerns on this invention. It is a perspective view which decomposes | disassembles and shows a part of one Embodiment of the folding umbrella opening / closing apparatus which concerns on this invention. It is assembly sectional drawing when one Embodiment of the folding umbrella opening / closing apparatus which concerns on this invention is attached to the center stick. FIG. 4 is an enlarged view of FIG. 3. It is a figure explaining the use condition of the opening / closing apparatus of the folding umbrella which concerns on this invention. It is a figure explaining the use condition of the opening / closing apparatus of the folding umbrella which concerns on this invention.

  Hereinafter, an embodiment of a folding umbrella opening and closing apparatus according to the present invention will be described with reference to the drawings.

(Embodiment)
1 is an exploded perspective view showing an embodiment of a folding umbrella opening and closing device according to the present invention, FIG. 2 is an exploded perspective view showing a part of an embodiment of a folding umbrella opening and closing device according to the present invention, FIG. 3 is an assembled cross-sectional view of an embodiment of a folding umbrella opening / closing device according to the present invention attached to a center rod, and FIG. 4 is an enlarged view of FIG.

  In the drawing, reference numeral 100 indicates several shaft pipes having different shaft diameters, for example, a top pipe 110, a middle pipe 120 having a shaft diameter larger than that of the top pipe 110, and a bottom pipe 130 having a shaft diameter larger than that of the middle pipe 120. 1 is an opening / closing device provided on the intermediate rod 100 for opening and closing the umbrella, and the opening / closing device 1 includes a lower crosspiece 20, A fixed member 10 and a movable member 30 are provided.

  The bottom pole 20 has an intermediate rod 100 along an axial direction that is a direction along the central axis L of the intermediate rod 100 so as to be switched between an opened umbrella state in which the umbrella is open and a closed umbrella state in which the umbrella is closed. Is attached to the middle rod 100 so as to be slidable in the vertical direction, and is formed so as to surround the central axis L, and a gap is formed between the shaft pipes having the smallest shaft diameter, for example, the top pipe 110. As shown in the drawing, the hollow having the largest shaft diameter, for example, the inner peripheral surface 21 defining the inner hole 211 having the shaft diameter that can be fitted onto the bottom pipe 130, the inner peripheral surface 21 and the back-to-back outer peripheral surface 22 is formed. This is an axial tube body. A guide groove 23 that guides the movable member 30 to move along an axial radial direction that crosses the central axis L, and an inner peripheral surface 21 and an outer peripheral surface 22 along the axial radial direction are provided on the lower rail 20. And a communication hole 24 that communicates with the guide groove 23.

  The fixing member 10 is attached by fitting the middle pipe 120 on the upper end of the middle pipe 120 of the middle rod 100, for example, so as to be detachably locked to the middle rod 100. The upper part 11 having the upper end surface 13 corresponding to the upper end surface of the middle pipe 120 as a surface for preventing the movement of the lower rail 20, the lower part 12 opposite to the upper part 11, and the upper part 11 and the lower part 12 are connected. It is comprised as a bracket frame which has the annular surrounding wall 14 formed in this way. Further, the fixing member 10 has an inner peripheral surface in which a hollow portion into which the middle pipe 120 is inserted is defined by the upper portion 11, the lower portion 12 and the annular peripheral wall 14. A projecting piece 15 protruding in a tab shape upward from one side in the axial radial direction of the upper portion 11 is provided, and the annular peripheral wall 14 has an outer ring surface 141 formed in a smaller diameter from the upper portion 11 toward the lower portion 12.

  In addition, the fixing member 10 should just be made according to the material of the center rod 100, for example, may be made using a metal. The fixing member 10 is fixed to the upper end portion of the middle pipe 120 by being inserted into a pin hole penetrating the annular peripheral wall 14 along the axial radial direction by a pin member (not shown). The protruding piece 15 has such a size that it cannot be pulled out from the communication hole 24. For example, the protruding piece 15 has a width along the axial direction larger than a radial width along the axial direction of the communicating hole 24. And good. The annular peripheral wall 14 of the fixing member 10 has a shape and a size formed corresponding to the inner peripheral surface of the inner hole 211 of the lower crosspiece 20, and the inner peripheral surface defining the hollow portion of the fixing member 10 is: It has a shape and a size formed corresponding to the outer peripheral surface of the middle pipe 120. The upper end surface 13 is formed so as to be perpendicular to the axial direction and horizontally in the axial diameter direction.

  The movable member 30 can be slidably moved along the axial direction, a part of which can be pressed from the outside of the bottom rail 20, and the other portion can be moved along the guide groove 23 via the communication hole 24. It is attached so that it can be engaged with and disengaged from the fixing member 10 so as to maintain and release the position of the lower rod 20 relative to the middle rod 100. In this embodiment, the movable member 30 slides on the center rod 100 together with the bottom rod 20 so as to slide along the axial direction integrally with the bottom rod 20 when the position relative to the center rod 100 of the bottom rod 20 is released. The web part 31a is provided so as to have a shape corresponding to the outer shape of the middle rod 100 and is fixed to the upper end surface 13 of the upper part 11 of the fixing member 10 and protrudes from both ends of the web part 31a. A moving frame 31 formed in a U-shaped frame having an opening opened toward the middle rod 100 side in a top view by the two flange portions 31b and 31b, and two flange portions 31b corresponding to the communication holes 24 31b from the first position where the web portion 31a abuts against the upper end surface 13 of the upper portion 11 of the fixing member 10 along the axial direction and is locked and fixed. Having a pressing plate 32 that is configured to the movable pressing sliding to the second position which can be moved together with the lower runner 20 and put al away.

  In addition, an elastic member 40 is provided between the lower rail 20 and the movable member 30 to push the web portion 31a toward the middle rod 100 side and abut against the upper end surface 13 of the fixed member 10 so as to be localized at the first position. It is attached. The elastic member 40 is formed in a longitudinal shape so as to have two ends opposite to each other in the longitudinal direction. One end of the elastic member 40 is fixed to the bottom rail 20, and the web portion 31 a is formed. A first receiving hole 26 that is slid and moved away from the first position and accommodated in the second position is formed to be recessed from the inner peripheral surface 21 in the axial direction, and the web portion 31 a has an elastic member 40. A second receiving hole 312 in which the other end portion is fixed and the elastic member 40 is accommodated is formed so as to be recessed from the outer peripheral surface 311 of the web portion 31a.

  On the outer peripheral surface 22 of the lower cross hole 20, the pressure plate 32 is left outside the communication hole 24 and can be accommodated, and communicates with the inside of the bottom runner 20 through the communication hole 24 and is larger in diameter than the communication hole 24. The formed slot 25 is recessed in the axial direction. The guide groove 23 is provided in communication with the groove hole 25 through the communication hole 24 so as to guide the moving frame 31 so as to be slidable. When the pressing plate 32 is pressed, the moving frame 31 slides from the first position to the second position along the guide groove 23 via the communication hole 24 and the pressing plate 32 is accommodated in the groove 25. .

  On the inner side 313 of the web portion 31a on the side of the middle rod 100, a first inclined surface portion 314 formed to be inclined toward the middle rod 100 side from the top along the axial direction and from the bottom along the axial direction. A second inclined surface portion 315 formed to be inclined toward the middle rod 100 side as it is upward is formed.

  Next, the operation and action of the umbrella opening and closing device according to the present invention configured as described above will be described with reference to the drawings.

  FIG. 4 shows a state when the umbrella 20 and the movable member 30 are opened with the elastic member 40 locked to the fixed member 10. As shown in FIG. 5, when the pressing plate 32 is pressed by a pressing operation while the umbrella is in the open state, the pressing plate 32 approaches the communication hole 24 and is accommodated in the groove 25, and the moving frame 31 is guided by The web portion 31a is accommodated in the first receiving hole 26 from the first position where the web portion 31a is locked and fixed to the upper end surface 13 of the fixing member 10 along the groove 23, and is slidable together with the lower crosspiece 20. It is slid to position 2. Then, even after the state where the web portion 31a is locked to the upper end surface 13 is moved to the second position and released, the web portion 31a is pushed while the elastic member 40 is pushed by continuing to push the pressing plate 32. When the movable member 30 is slid downward together with the bottom rail 20 while being accommodated in the first receiving hole 26, the umbrella is separated from the fixed member 10 and closed as shown in FIG. 6. When the movable member 30 is slid downward together with the lower crosspiece 20, the second inclined surface portion 315 can slip over without being caught on the upper portion of the fixed member 10. When the pressing with respect to the movable member 30 is released, the web portion 31 a is pressed toward the middle rod 100 by the elastic force of the elastic member 40, and the pressing plate 32 is separated from the communication hole 24 and detached from the groove hole 25. By the web portion 31a pushed to the side of the middle bar 100, the lower rail 20 is locked and fixed with respect to the middle bar 100, and the closed state can be maintained.

  On the other hand, when the pressing plate 32 is pressed by the pressing operation with the umbrella closed, the pressing plate 32 again approaches the communication hole 24 and is accommodated in the groove hole 25, and the moving frame 31 is guided along the guide groove 23. Then, the web part 31 a is accommodated in the first receiving hole 26 and is slid from the first position where the web part 31 a is locked to the upper end surface 13 to the second position where the web part 31 a is slidable together with the bottom rail 20. Is done. Then, the moving frame 31 is moved to the upper side of the upper portion 11 while sliding upward with the lower crosspiece 20 while pushing the pressing plate 32 and sliding over the outer ring surface 141 by the first inclined surface portion 314. When the pressing to the pressing plate 32 is released, the elastic member 40 elastically pushes the web portion 31a toward the middle rod 100 side, the pressing plate 32 is separated from the communication hole 24 and detached from the groove 25, and the web The portion 31 a is abutted and locked to the upper end surface 13 of the fixing member 10. This positions the umbrella in the opened state shown in FIG.

  As described above, since the center rod 100 is not provided with a slot for accommodating the upper fountain so as to float up and down, it is possible to maintain a predetermined rigidity without weakening the strength of the center rod 100. Can improve the safety.

  Further, the annular peripheral wall 14 of the fixing member 10 is formed in accordance with the shape of the inner peripheral surface of the inner hole 211 of the lower ring 20, and the inner peripheral surface of the fixing member 10 is formed in accordance with the shape of the outer peripheral surface of the middle pipe 120. Therefore, a large gap is not generated between the bottom rail 20 and the fixing member 10. Therefore, the bottom rail 20 can be stably positioned without wobbling with respect to the fixing member 10.

  Moreover, since the protrusion 15 is provided so that it may contact | abut with respect to the internal peripheral surface of the bottom rail 20 in the state opened, for example, it can maintain an opened state stably. In addition, since the elastic member 40 connected to the movable member 30 and the bottom rod 20 is provided between the bottom rod 20 and the middle rod 100, the bottom rod 20 slides up and down with respect to the middle rod 100. The web portion 31a is always pushed by the elastic member 40 toward the center rod 100 even when there is a gap between the bottom rail 20 and the center rod 100 in the open state or the closed state. Therefore, it can slide stably, and can maintain an open state or a closed state stably.

  In this embodiment, even if the fixed member 10 is made of a metal material and the movable member 30 is made of a material that is easily worn, for example, a plastic material, the movable frame 31 is slidable with respect to the fixed member 10. Since it can be locked without colliding with the end face 13, the movable member 30 can be used for a long time.

  In addition, this invention is not limited to the structure of the said embodiment. That is, the above-described embodiment is intended to clarify the technical contents of the present invention, and the present invention is not limited to this embodiment and is not interpreted in a narrow sense. Various modifications can be made within the scope described in the spirit and claims.

  The umbrella opening and closing device according to the present invention is useful as a folding umbrella opening and closing device.

100 Middle rod 23 Guide groove 110 Top pipe 24 Communication hole 120 Middle pipe 25 Groove hole 130 Bottom pipe 26 First receiving hole 1 Opening and closing device 30 Movable member 10 Fixed member 31 Moving frame 11 Upper part 31a Web part 12 Lower part 31b Flange part 13 Upper end surface 311 Outer peripheral surface 14 Annular peripheral wall 312 Second receiving hole 141 Outer ring surface 313 Inner side surface 15 Projection piece 314 First inclined surface portion 20 Lower hole 315 Second inclined surface portion 21 Inner peripheral surface 32 Press plate 211 Inner hole 40 Elastic member 22 outer peripheral surface

Claims (5)

The middle part of the umbrella having an intermediate rod formed by combining several axial pipes each having a different axial diameter, including at least a top pipe and a middle pipe having a larger axial diameter than the top pipe, in a vertically nested manner. Along the axial direction, which is a direction along the central axis of the middle bar, so as to be switched between an opened state in which the umbrella is open and a closed state in which the umbrella is closed. The bottom rod attached to the middle rod so as to be slidable up and down, the fixing member provided on the middle rod so that the bottom rod is locked with respect to the middle rod, and the bottom rod is fixed. The central axis is traversed to a first position where it is locked with respect to the member and a second position where the locked state is released so that it can slide up and down together with the bottom roller. Direction along the axial direction. , A movable member is pressed to be made of comprises a,
The lower crosspiece includes an inner peripheral surface defining an inner hole having an axial diameter that can be fitted onto the intermediate rod so that a gap is formed between the top pipe and the outer peripheral surface of the inner peripheral surface and the back surface. A guide shaft that is guided so that the movable member moves along the axial radial direction, and the guide groove that penetrates the inner peripheral surface and the outer peripheral surface. A communication hole that communicates, and
The fixing member is externally fitted to the upper end of the middle pipe, and has an upper portion having an upper end surface corresponding to the upper end surface of the middle pipe as a surface for preventing the bottom rail from moving, and an opposite of the upper portion. A lower part on the side, and an annular peripheral wall formed by connecting the upper part and the lower part,
The movable member is attached to the bottom pole so as to be slidable along the axial diameter direction, and comes into contact with the upper end surface of the upper portion of the fixed member, and is positioned from both ends of the web portion. A moving frame formed in a U shape having an opening opened along the axial radial direction when viewed from above by two flanges protruding in the axial radial direction, and connected to the two flanges via the communication hole The guide groove is moved away from the first position from the first position where the web portion abuts against the upper end surface of the upper portion of the fixing member along the axial radial direction and is locked and fixed. A pressing plate configured to perform a pressing operation so as to be slidable to a second position where the movable member can move integrally with the bottom crosspiece, and
An elastic member is attached between the lower wheel and the movable member so as to always push the web portion toward the middle rod and abut against the upper end surface of the fixed member so as to be localized at the first position. ,
The fixing member defines a hollow portion into which the middle pipe is inserted by the upper portion, the lower portion, and the annular peripheral wall, and a protruding piece protruding in a tab shape upward from the upper portion corresponds to the communication hole. And abutting against the inner peripheral surface of the lower wheel,
The upper end surface of the fixing member is formed horizontally in the axial direction perpendicular to the axial direction,
The projecting piece has a width along the axial direction larger than a radial width along the axial direction of the communication hole,
On the outer peripheral surface of the bottom roller, the pressure plate is left outside the communication hole and can be accommodated, and communicates with the inside of the bottom hole through the communication hole and has a diameter larger than that of the communication hole. The formed slot is formed to be depressed in the axial direction,
The elastic member is formed in a longitudinal shape so as to have two opposite ends in the longitudinal direction,
A first receiving hole in which one end of the elastic member is fixed and the web portion is slid and moved to the second position away from the first position is accommodated in the lower hole. It is formed to be recessed in the axial direction from the inner peripheral surface of the potter's wheel,
The other end of the elastic member is fixed to the web portion, and a second receiving hole in which the elastic member is accommodated is formed to be recessed from the outer peripheral surface of the web portion. Switchgear . Further prior SL in bars, the runner is fitted, the opening and closing of the folding umbrella according to claim 1, characterized in that it comprises a bottom pipe shaft diameter is fitted to increase the middle pipe than said middle pipe apparatus.   2. The folding umbrella opening and closing device according to claim 1, wherein the annular peripheral wall of the fixing member has an outer ring surface formed so as to incline toward the middle rod from the upper part toward the lower part. . On the inside of the web portion on the middle rod side, a first inclined surface portion formed to be inclined toward the middle rod side from the top along the axial direction, and from the bottom along the axial direction. The folding umbrella opening and closing device according to claim 3 , further comprising a second inclined surface portion that is formed to be inclined toward the middle rod side.   2. The folding umbrella opening and closing device according to claim 1, wherein the annular peripheral wall of the fixing member has a shape and a size corresponding to the inner peripheral surface of the inner hole of the lower ring.

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