JP3213475U - Opening and closing mechanism for umbrellas - Google Patents

Abstract

An umbrella opening / closing mechanism for an umbrella, which is provided with a locking portion inside, is difficult to fit, and does not hurt hands during use. A potter's wheel body including an upper potter's wheel 12 and a lower potter's wheel 6 and an intermediate rod are provided, the potter's wheel body is provided with a locking cover, and an engaging portion is provided between the potter's wheel body and the intermediate rod. A control mechanism is provided between the potter's wheel body and the locking cover. The locking portion includes two arc-shaped locking members 5, and an annular locking groove is provided on the circumferential side wall of the potter's wheel body, and the outer diameter of the arc-shaped locking member is an annular locking position at the position of the annular locking groove. A locking hole is provided in the annular locking groove that is larger than the outer diameter of the locking groove, and a locking block 3 that engages with the locking hole is provided on the circumferential inner wall of the arc-shaped locking member. Is provided with a fixing hole for engaging with the locking block. [Selection] Figure 1

Description

  The present invention relates to an umbrella region, and more specifically, to an opening and closing mechanism for an umbrella.

  Umbrellas provide a cool environment while being a tool for shielding rain and snow. Umbrella is a tool that people always use when going out. Currently, a commercially available umbrella has a push button on the potter's wheel and is used to fix and store the umbrella, but the exposed control push button Is not beautiful and sometimes easily hurts your hands.

  Regarding the shortcomings of the prior art, the present invention provides an umbrella opening / closing mechanism for an umbrella that is provided with a locking portion inside and is difficult to fit.

  In order to achieve the above object, the present invention provides the following technical means. A wheel opening and closing mechanism for an umbrella, comprising a wheel body and a center rod, and a locking cover is coated on the outside of the wheel body, and a locking portion is provided between the wheel body and the center rod, A control mechanism is provided between the potter's wheel body and the locking cover.

Further, the locking portion includes two arc-shaped locking members, and an annular locking groove is provided on a circumferential side wall of the potter's wheel body. The diameter is larger than the outer diameter of the annular locking groove, a locking hole is installed in the annular locking groove, and a locking block that engages with the locking hole is formed on the circumferential inner wall of the arc-shaped locking member. The center rod is provided with a fixing hole that engages with the locking block.
Further, the control mechanism includes an annular convex edge provided on the inner wall of the locking cover and inclined toward the axis of the locking cover, and the potter body and the inner wall of the annular convex edge are in sliding engagement.

  Further, an annular positioning block is provided on the circumferential side wall of the potter's wheel body, and a positioning groove for engaging with the positioning block is provided on the locking cover.

  Further, an annular backing plate that adheres to the inner wall of the locking cover is provided above the circumferential inner wall of the potter's wheel body corresponding to the annular locking groove.

  Further, a position limiting block is provided symmetrically on the circumferential inner wall of the locking cover, and a slide groove that engages with the position limiting block is provided on the circumferential side wall of the potter's wheel body.

  Further, the position limiting block extends between two arc-shaped locking members, the bottom of the position limiting block forms a V shape, and the opposite ends of the two arc-shaped locking members are inclined to form V It is shaped and engages the V-shaped bottom of the position limiting block.

Furthermore, a friction pattern is provided on the circumferential side wall of the locking cover.
Furthermore, the inner circumferential wall of the potter's wheel body is a regular polygon.
Further, the potter's wheel body includes an upper potter's wheel and a lower potter's wheel, and the upper potter's wheel and the lower potter's wheel are provided separately.

  In the present invention, a locking portion is installed between the potter's wheel body and the middle bar to achieve mutual fixation between the potter's wheel body and the middle bar, and a control mechanism is provided between the potter's wheel body and the hooking cover. It is possible to control fixing and loosening with the locking portion. This eliminates the need for an external control mechanism, realizes control of opening and closing the umbrella, is beautiful, and does not hurt hands during use.

FIG. 1 is a schematic view of a structure of a potter's wheel body of a potter's wheel opening / closing mechanism for an umbrella of the present invention. FIG. 2 is a schematic view of the locking cover structure of the umbrella opening / closing mechanism for an umbrella according to the present invention. FIG. 3 is a view showing a structure in which an arc-shaped locking member is not provided in the locking cover of the umbrella opening and closing mechanism of the present invention.

  An embodiment of the umbrella opening / closing mechanism for an umbrella according to the present invention will be further described with reference to FIGS. 1 to 3.

  The umbrella opening / closing mechanism for an umbrella includes a potter's wheel body and a middle bar, the potter's wheel body is provided with a locking cover 11, and a hooking portion is provided between the potter's wheel body and the middle bar, A control mechanism is provided between the potter's wheel body and the locking cover 11.

  By providing a latching portion between the potter's wheel body and the middle rod, the space between the potter's wheel body and the middle rod is fixed, and further by providing a control mechanism between the potter's wheel body and the latching cover 11, Fixing and loosening can be realized. This makes it possible to control the opening and closing of the umbrella without providing an external control mechanism, which is beautiful and does not hurt the hand during use.

  In the present embodiment, preferably, the locking portion includes two arc-shaped locking members 5, and an annular locking groove 13 is provided on the circumferential side wall of the potter's wheel body. At the position of the annular locking groove 13, the outer diameter of the arc-shaped locking member 5 is larger than the outer diameter of the annular locking groove 13, and a locking hole 14 is provided in the annular locking groove 13. A locking block 3 that engages with the locking hole 14 is provided on the circumferential inner wall of the arc-shaped locking member 5, and a fixing hole that is engaged with the locking block 3 is provided on the center rod. . The arcuate locking member 5 in the present embodiment is plastically deformable and has a gap between the arcuate locking member 5 and the locking groove, so that the arcuate locking is achieved through plastic deformation of the arcuate locking member 5. The locking block 3 on the member 5 can be controlled to enter the locking hole 14 and to be detached from the locking hole 14. The control mechanism between the locking cover 11 and the wheel body can control the engagement of the arc-shaped locking member 5 into the locking groove and the detachment of the arc-shaped locking member 5 from the locking groove. As a result, the locking block 3 on the arc-shaped locking member 5 is engaged with the locking hole 14 and the separation of the locking block 3 from the locking hole 14 is controlled. Can be fixed and loosened, and the purpose of opening and closing the umbrella can be realized.

  In the present embodiment, preferably, the control mechanism includes an annular convex edge 9 provided on an inner wall of the locking cover 11 and inclined toward the axis of the locking cover 11, and the wheel body and the annular convex edge 9. The inner wall is slidably engaged. When the umbrella cover is opened, when the locking cover 11 is pushed upward, the inclined surface of the annular convex edge 9 on the locking cover 11 gradually presses the arc-shaped locking member 5. The arcuate locking member 5 is completely deformed and inserted into the locking groove. Thereby, since the locking block 3 of the arc-shaped locking member 5 is engaged in the locking hole 14, it is automatically fitted and fixed without a push button. When closing the umbrella, when the locking cover 11 is pulled downward, the locking cover 11 does not press the arc-shaped locking member 5, so that the arc-shaped locking member 5 is automatically deformed and recovered, and the locking block 3 Detaches from the locking hole 14 and is not engaged with the fixing hole, and the umbrella can be closed.

  In the present embodiment, preferably, an annular positioning block 4 is provided on the circumferential side wall of the potter's wheel body, and a positioning groove 7 for engaging with the positioning block is provided on the locking cover 11. Since the bottom part of the potter's wheel body in this embodiment is divided symmetrically, the annular positioning block 4 is deformed in the locking cover 11 and is engaged in the locking cover 11. Through the positioning engagement between the annular positioning block 4 and the positioning groove 7, the crimping position of the arc-shaped locking member 5 is fixed, and further, the locking cover 11 and the potter's wheel body are fixed to each other. As a result, the locking cover 11 does not fall naturally, and the crocodile body and the locking cover 11 are positioned by the annular convex edge 9 and the annular positioning block 4, and the crocodile body and the locking cover 11 are slid up and down. Do not leave each other.

  In the present embodiment, preferably, an annular backing plate 1 that adheres to the inner wall of the locking cover 11 is provided above the circumferential inner wall of the potter's wheel body corresponding to the annular locking groove 13. The position of the arc-shaped locking member is limited so that the locking member is not detached from the annular locking groove 13.

  In the present embodiment, preferably, the position limiting block 8 is provided symmetrically on the circumferential inner wall of the locking cover 11. Since the slide groove 2 that engages with the position limiting block 8 is provided on the circumferential side wall of the potter's wheel body, the positioning of the locking cover 11 and the potter's wheel body is further improved, and mutual rotation does not occur.

  In the present embodiment, preferably, the position limiting block 8 extends between two arc-shaped locking members, and the bottom of the position limiting block 8 has a V shape, and the two arc-shaped locking members The opposite end is inclined to be V-shaped and engages with the V-shaped bottom of the position limiting block 8. The two arcuate locking members 5 in this embodiment are provided symmetrically. When closing the umbrella, if the locking cover 11 is pulled downward, the locking cover 11 tends to slide downward along the slide groove 2. A force is generated at the bottom of the arc-shaped locking member to press both ends of the arc-shaped locking member to the outside, so that the locking cover 11 can be moved by a predetermined distance with respect to the potter's body, and the arc-shaped locking member is further pushed outward. Then, the locking block 3 is automatically detached from the locking hole 14. Thereby, the umbrella can be closed smoothly, and the locking block 3 and the locking hole 14 are prevented from being fitted and damaged when the umbrella is closed.

  In the present embodiment, preferably, the circumferential side wall of the locking cover 11 is provided with a friction pattern. Therefore, when the hand gets wet by rainwater, the friction between the hand and the locking cover 11 is caused through the friction pattern. It increases and the situation where the latching cover 11 cannot be pulled by the slip of the hand is prevented.

  In this embodiment, preferably, the circumferential inner wall of the potter's wheel body forms a regular octagon to prevent relative rotation of the potter's wheel body and the middle bar. As a result, the locking block 3 of the potter's wheel body and the fixing hole of the intermediate rod are fixed, and the locking block 3 and the fixing hole are improperly positioned in the circumferential direction, so that the locking block 3 is fixed accurately. It is possible to prevent a situation where it is impossible to engage with the hole. Of course, you may form a regular hexagon and a regular decagon.

  In the present embodiment, preferably, the main body of the potter's wheel includes an upper potter's wheel 12 and a lower potter's wheel 6, the upper potter's wheel 12 and the lower potter's wheel 6 are installed separately, and when the lower potter's wheel 6 breaks, the upper potter's wheel 12 is replaced. There is no need to do so, and only the bottom wheel and the locking cover 11 need to be replaced. In the present embodiment, the skull 12 is fixed to the umbrella bone through the wire, so that the operation and cost in replacement and repair can be reduced.

  The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiment, and the technical solution of the idea of the present invention falls within the protection scope of the present invention. It should be pointed out to those skilled in the art that some improvements and modifications can be made on the premise that they do not depart from the principles of the present invention, but these improvements and modifications are also within the protection scope of the present invention.

DESCRIPTION OF SYMBOLS 1, Ring plate 2, Slide groove 3, Locking block 4, Ring-shaped positioning block 5, Arc-shaped locking member 6, Bottom hole 7, Positioning groove 8, Position limit block 9, Ring-shaped convex edge 11, Locking cover 12 , Upper wheel 13, annular locking groove 14, locking hole

Claims (10)

  A wheel opening and closing mechanism for an umbrella including a potter's wheel body and a center rod, wherein the wheel body is covered with a locking cover, and a locking portion is installed between the wheel body and the middle bar, A umbrella opening / closing mechanism for an umbrella, wherein a control mechanism is provided between the potter's wheel body and the locking cover.   The locking portion includes two arc-shaped locking members, an annular locking groove is provided on a circumferential side wall of the potter's wheel body, and the outer diameter of the arc-shaped locking member is An outer diameter of the annular locking groove is larger, a locking hole is provided in the annular locking groove, and a locking block that engages with the locking hole is provided on a circumferential inner wall of the arc-shaped locking member. 2. The umbrella opening and closing mechanism according to claim 1, wherein the center rod is provided with a fixing hole that engages with a locking block.   The control mechanism includes an annular convex edge provided on an inner wall of the locking cover and inclined toward the axis of the locking cover, and the potter body and the inner wall of the annular convex edge are slidingly engaged. The umbrella opening and closing mechanism for an umbrella according to claim 2.   The umbrella body according to claim 3, wherein an annular positioning block is provided on a circumferential side wall of the potter's wheel body, and a positioning groove that engages with the positioning block is provided on the locking cover. Roller opening and closing mechanism.   5. The umbrella wheel for an umbrella according to claim 4, wherein an annular backing plate that adheres to the inner wall of the latching cover is provided above the circumferential inner wall of the potter's wheel corresponding to the annular latching groove. Opening and closing mechanism.   A position restriction block is provided symmetrically on the circumferential inner wall of the locking cover, and a slide groove that engages with the position restriction block is provided on the circumferential side wall of the potter's wheel body. The umbrella opening and closing mechanism for an umbrella according to claim 5.   The position limiting block extends between two arc-shaped locking members, the bottom of the position limiting block forms a V-shape, and the opposite ends of the two arc-shaped locking members are inclined to form a V-shape. The umbrella opening / closing mechanism for an umbrella according to claim 6, which is configured to engage with a V-shaped bottom portion of the position limiting block.   The umbrella opening and closing mechanism for an umbrella according to claim 7, wherein a friction pattern is provided on a circumferential side wall of the locking cover.   9. The opening / closing mechanism for an umbrella according to claim 8, wherein a circumferential inner wall of the potter's wheel body forms a regular polygon.   10. The umbrella opening / closing mechanism for an umbrella according to claim 9, wherein the potter's wheel body includes an upper potter's wheel and a lower potter's wheel, and the upper potter's wheel and the lower potter's wheel are provided separately.