CN111000343A - Push-pull type opening and closing device on umbrella and umbrella - Google Patents

Abstract

The invention provides a push-pull type opening and closing device on an umbrella and the umbrella, and relates to the field of umbrellas, wherein the opening and closing device specifically comprises a middle rod, an upper nest, a lower nest and an opening and closing structure for locking and opening the lower nest and the middle rod or the lower nest and the upper nest, and the opening and closing structure sequentially comprises the following components from inside to outside: the clamping hole is arranged on the middle rod or the upper nest; the ball is arranged on the lower nest and can slide along the radial direction of the middle rod and lock or unlock the sliding of the lower nest along the middle rod; and the pull cylinder is sleeved on the lower nest and can be pushed and pulled along the axial direction of the middle rod relative to the lower nest, the inner side wall of the pull cylinder is abutted against the ball, and the sliding part of the ball can be clamped into the clamping hole or separated from the clamping hole by pushing and pulling the pull cylinder. The structure can be well guaranteed in the aspects of stability, reliability, noise, service life and the like, and can bring better use experience to users.

Description

Push-pull type opening and closing device on umbrella and umbrella

Technical Field

The invention relates to the field of umbrellas, in particular to a push-pull type opening and closing device on an umbrella and an umbrella.

Background

The honeycomb structure device on the umbrella is responsible for connecting the middle rod and the supporting rib of the umbrella and plays a role in fixing and opening. Honeycomb devices on the market are roughly divided into two types, namely press type honeycombs and push-pull honeycombs, the first type of honeycomb is opened and closed by triggering a preset arch sheet through a button, the honeycomb needs to be pulled down after the button is pressed in the umbrella folding process, and the action process is complicated. And the button is easy to damage, which affects the service life of the umbrella. The second push-pull honeycomb is mostly in a hook buckle form at present, a lower honeycomb and an upper honeycomb are utilized to form buckle fixation, and then the buckle is unlocked through a pull cylinder. The structure is complicated relatively, and the buckle is inefficacy easily after atress rubs many times, and stability is low. Meanwhile, the rubber part is low in strength, easy to age, easy to break in buckling position and not as stable as a hardware buckle after long-term use.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the honeycomb structure in the prior art has the defects of stability, reliability, noise, service life and the like.

In order to solve the technical problem, the invention discloses a push-pull type opening and closing device on an umbrella, namely, the opening and closing of a honeycomb structure, comprising a middle rod, wherein the middle rod is provided with an upper nest, a lower nest and an opening and closing structure for locking and opening the lower nest and the middle rod or the lower nest and the upper nest, and the opening and closing structure sequentially comprises the following components from inside to outside:

the clamping hole is arranged on the middle rod or the upper nest;

the ball is arranged on the lower nest and can slide along the radial direction of the middle rod and lock or unlock the sliding of the lower nest along the middle rod; and

the pull cylinder is sleeved on the lower nest and can be pushed and pulled along the axial direction of the middle rod relative to the lower nest, the inner side wall of the pull cylinder is abutted to the ball, and the ball can slide and be partially clamped into the clamping hole or separated from the clamping hole by pushing and pulling the pull cylinder.

In a further scheme, a through hole is formed in the side wall of the lower nest, the ball is arranged in the through hole, one side of the ball abuts against the middle rod or the upper nest in the radial direction, and the other opposite side of the ball abuts against the inner side wall of the pull cylinder.

In a further scheme, the inner side of the pull cylinder comprises an inclined surface capable of pushing the ball to slide and a vertical surface for keeping the ball in a temporary fixed state, and the vertical surface is perpendicular to the radial direction of the middle rod.

In a further scheme, along the direction from the upper nest to the lower nest, the vertical surfaces sequentially comprise a first vertical surface and a second vertical surface, the distance from the first vertical surface to the axis of the middle rod is greater than the distance from the second vertical surface to the axis of the middle rod, and the first vertical surface and the second vertical surface are connected through the inclined surface.

In a further scheme, a limiting part for limiting the pull cylinder to slide along the axial direction is arranged on the lower nest.

In a further scheme, a groove or a protrusion which is convenient for a human hand to push and pull is arranged on the pull cylinder.

In a further scheme, the clamping hole is a through hole which directly penetrates through the middle rod;

or the upper nest comprises an extension section, the extension section extends from the upper nest to the lower nest, the extension section is fixedly or movably sleeved on the middle rod, and the clamping hole is a through hole penetrating through the extension section.

In a further aspect, the ball is spherical; or the ball is cylindrical, and the cylindrical ball is contacted and propped against the inner wall of the pull cylinder through a cylindrical surface.

In a further scheme, the material of the ball is metal, ceramic or plastic.

In addition, an umbrella is also disclosed, which comprises the push-pull type opening and closing device on the umbrella.

According to the push-pull type opening and closing device on the umbrella, when the umbrella is opened, the pull cylinder is pushed, the ball is clamped into the clamping hole in the middle rod, and the pull cylinder is propped by the force exerted by the lower nest (the tension force of the opened umbrella and the downward force of the lower nest along the middle rod formed by gravity) due to the ball. The pull cylinder and the ball have friction force, so that the pull cylinder and the ball do not generate relative displacement in the axial direction, the lower nest is locked, and the umbrella opening fixing state is realized. When the umbrella is folded, the pull cylinder is pulled by hand to overcome the friction force between the balls and the pull cylinder, so that the pull cylinder slides downwards, the balls are automatically separated from the clamping holes of the middle rod under the action of the runner, and the runner is unlocked, so that the runner can move along the middle rod towards the handle, and the folding action of the umbrella is completed.

The structure avoids the complicated action of the button type honeycomb umbrella folding, and simultaneously overturns the structure of the existing push-pull type honeycomb, and the structure is more reliable and stable. Because of realize that the block locking is the ball, whole process is rolling friction, and the stick in effectual protection has overcome the stick in traditional five metals buckle card, the defect of stick in the easy fish tail. (for iron medium bars, rust can be caused by scratching the medium bars, and for aluminum medium bars, appearance can be influenced, and buckling points can be abraded to influence reliability). Meanwhile, the structure is not afraid of abrasion of the balls, automatic adaptation can be realized, the requirement on product precision is low, and the universality is high. The processing and production difficulty is reduced. Stability, reliability and interchangeability are guaranteed.

In addition, this structure dropout process is mild, so, the noise of receiving the umbrella obviously reduces, promotes to use and experiences. (when the market umbrella is closed, the structure of the umbrella is limited, the umbrella can be slammed, which can bring bad feeling to users and surrounding people)

Drawings

The detailed structure of the invention is described in detail below with reference to the accompanying drawings

FIG. 1 is a front view of a push-pull type opening and closing device on an umbrella;

FIG. 2 is a corresponding exploded view of FIG. 1;

FIG. 3 is a cross-sectional view of the push-pull type opening and closing device of the umbrella shown in FIG. 1;

FIG. 4 is a cross-sectional view of the push-pull type opening and closing device of the umbrella of FIG. 1 in an umbrella closing state;

FIG. 5 is a cross-sectional view of a pull cup of the push-pull type opening and closing device on an umbrella;

FIG. 6 is a cross-sectional view of a push-pull type opening and closing device on another umbrella;

fig. 7 is an exploded view corresponding to fig. 6.

The drawing comprises an upper nest 1, a clamping hole 11, a middle rod 2, a clamping hole 21, a lower nest 3, a through hole 31, a sliding chute 32, a limiting part 33, a pull cylinder 4, a first vertical surface 41, an inclined surface 42, a second vertical surface 43, a ball 5 and a sliding part 51.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

With reference to fig. 1-5, in an embodiment, a push-pull type opening and closing device on an umbrella is disclosed, that is, an opening and closing of a honeycomb structure is specifically disclosed, which includes a middle rod 2, an upper nest 1, a lower nest 3 and an opening and closing structure for locking and opening the lower nest 3, for an umbrella, the honeycomb structure is common, but the technical essential point of this embodiment lies in the unique design of the opening and closing structure for locking and opening the lower nest 3 of this honeycomb structure. Specifically, the structure of opening and shutting from inside to outside includes in proper order:

the clamping holes 11 are formed in the middle rod 2, the opening and closing of the umbrella are usually realized by axially sliding the lower nest 3 relative to the middle rod 2, and the clamping holes 11 are used for being matched with other structures to lock or release the lower nest 3;

the ball 5 is arranged on the lower nest 3 and can slide along the radial direction of the middle rod 2 and lock or unlock the sliding of the lower nest 3 along the middle rod 2, namely, the lower nest 3 and the middle rod 2 can be clamped together through the radial movement of the ball 5, so that the axial sliding of the lower nest 3 is limited; and

the pull cylinder 4 is sleeved on the lower nest 3 and can be pushed and pulled along the axial direction of the middle rod 2 relative to the lower nest 3, the inner side wall of the pull cylinder 4 is in contact with and abuts against the ball 5, and the ball 5 can slide and be partially clamped into the clamping hole 11 or be separated from the clamping hole 11 by pushing and pulling the pull cylinder 4. The inner side wall of the pull cylinder 4 is abutted against the ball 5, so that the radial movement of the ball 5 is limited, and the ball 5 can be prevented from being separated from the lower nest 3. Meanwhile, the ball 5 can be promoted to slide towards the center of the middle rod 2 by the pushing of the pull cylinder 4, so that the middle rod 2 and the lower nest 3 can be clamped together.

Referring to fig. 2-4 again, in a specific embodiment, the side wall of the lower nest 3 is provided with a through hole 31, the ball 5 is disposed in the through hole 31, in the radial direction, one side of the ball 5 abuts against the middle rod 2, and the other opposite side of the ball 5 abuts against the inner side wall of the pull cylinder 4. Namely, the ball 5 penetrates the side wall of the lower nest 3 and simultaneously abuts against the space between the middle rod 2 and the pull cylinder 4, and then the pull cylinder 4 is pushed and pulled, on one hand, the ball 5 receives the force applied by the pull cylinder 4, on the other hand, the ball 5 can also receive the force applied by the lower nest 3 (along with the gradual opening of the umbrella, the lower nest 3 of the honeycomb structure can receive an axial force to lead the umbrella to tend to close, and the force received by the lower nest 3 can naturally also be applied to the ball 5 in the lower nest 3), and by combining the forces, the ball 5 can partially slide along the radial direction on one hand and can also slide along the axial direction along with the lower nest 3 on the other hand. In a preferred embodiment, the through hole 31 may be provided with a sliding groove 32, the sliding groove 32 extends in a radial direction, and sliding portions 51 are provided at both sides of the balls 5, the sliding portions 51 are disposed in the sliding groove 32, so as to facilitate the balls 5 to slide on the lower nest 3 in a radial direction.

In a further embodiment, referring to fig. 3-5, the inner side of the pulling cylinder 4 comprises an inclined surface 42 capable of pushing the ball 5 to slide and a vertical surface for keeping the ball 5 in a temporarily fixed state, and the vertical surface is perpendicular to the radial direction of the middle rod 2. When the pulling cylinder 4 is pushed, the inclined surface 42 applies a force to the balls 5, on the one hand with a component pushing the balls 5 radially inwards along the central rod 2 and on the other hand with a component pushing the balls 5 axially sliding along the central rod 2. Preferably, in the direction from the upper nest 1 to the lower nest 3, the vertical surfaces sequentially include a first vertical surface 41 and a second vertical surface 43, the distance from the first vertical surface 41 to the axis of the middle rod 2 is greater than the distance from the second vertical surface 43 to the axis of the middle rod 2, and the first vertical surface 41 and the second vertical surface 43 are connected through the inclined surface 42. Thus, when the push-pull slide 4 is engaged with the umbrella, the ball 5 is partially engaged in the engaging hole 11 of the middle rod 2 and the ball 5 abuts against the second vertical surface 43 of the slide 4 in the open state, while the ball 5 is completely disengaged from the engaging hole 11 and the ball 5 abuts against the first vertical surface 41 of the slide 4 in the close state.

With reference to the accompanying drawings, the lower nest 3 is provided with a limiting portion 33 for limiting the pull cylinder 4 to slide along the axial direction, the pull cylinder 4 is pushed and pulled to drive the balls 5 to slide on one hand and simultaneously drive the lower nest 3 to slide along the axial direction on the other hand, and in order to limit the relative position of the pull cylinder 4 and the lower nest 3, the surface of the lower nest 3 can be provided with the limiting portion 33 for limiting the pull cylinder 4 to slide excessively along the two axial ends. And if the pull can 4 slides excessively, the pull can 4 may lose contact with the balls 5 to disengage the balls 5 from the lower nest 3, or the pull can 4 may disengage itself from the lower nest 3.

In a specific embodiment, the pull cylinder 4 is provided with a groove or a protrusion for facilitating the pushing and pulling of a human hand. When the umbrella is used, a user is required to manually push and pull the pull cylinder 4, so that the pull cylinder 4 is provided with a groove or a bulge which is convenient to hold and push and pull.

Referring to fig. 1-4, in an embodiment, the locking hole 11 is a through hole directly penetrating through the middle rod 2, and is locked and fixed between the lower nest 3 and the middle rod 2 by locking the ball 5 into the locking hole 11. Referring to fig. 6-7, in another embodiment, the lower nest 3 can be directly locked with the upper nest 1 by sliding the lower nest 3, wherein the upper nest 1 includes an extension section, the extension section extends from the upper nest 1 to the lower nest 3, the extension section is fixedly or movably sleeved on the middle rod 2, and the fastening hole 21 is a through hole penetrating through the extension section. The upper nest 1 is fixedly or movably arranged on the middle rod 2, and the lower nest 3 and the upper nest 1 can be clamped and fixed by arranging the clamping hole 21 on the extension section of the lower nest 3 and clamping the ball 5 into the clamping hole 21. In addition, naturally, the other structures fixedly arranged on the middle rod 2 can be provided with clamping holes, so that the balls 5 can be clamped into the clamping holes when the lower nest 3 axially slides. No matter where the clamping hole is arranged, the key point is that the ball can lock the lower nest and the middle rod or the upper nest when sliding into the clamping hole, so that the lower nest is kept in a temporary fixed state, and the umbrella is opened.

In one embodiment, the balls 5 may be spherical. As shown in fig. 2, the balls 5 may preferably be cylindrical, and the cylindrical balls 5 may be in contact with the inner wall of the pulling cylinder 4 through a cylindrical surface. The spherical surface or the cylindrical surface of the ball 5 is in contact with the inner wall of the pull cylinder 4, one placing surface can ensure enough friction force for maintaining a concerned stable state, and the other hand is convenient for sliding when the pull cylinder 4 is pushed and pulled. Specifically, the ball 5 is made of hard materials such as metal, ceramic or plastic.

Finally, an umbrella is also disclosed, which comprises the push-pull type opening and closing device on the umbrella. Naturally, the umbrella also comprises conventional items such as covers, ribs, shafts, etc.

Here, the upper, lower, left, right, front, and rear represent only relative positions thereof and do not represent absolute positions thereof. The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The utility model provides a plug-type device that opens and shuts on parachute kit, includes well stick, is equipped with nest, lower nest on the well stick to and one will be nest down with well stick or will nest down with last nest locking and the structure that opens and shuts of opening and shutting, its characterized in that, the structure that opens and shuts from interior to exterior includes in proper order:

the clamping hole is arranged on the middle rod or the upper nest;

the ball is arranged on the lower nest and can slide along the radial direction of the middle rod and lock or unlock the sliding of the lower nest along the middle rod; and

the pull cylinder is sleeved on the lower nest and can be pushed and pulled along the axial direction of the middle rod relative to the lower nest, the inner side wall of the pull cylinder is abutted to the ball, and the ball can slide and be partially clamped into the clamping hole or separated from the clamping hole by pushing and pulling the pull cylinder.

2. A push-pull opening and closing device on an umbrella as claimed in claim 1, wherein: the side wall of the lower nest is provided with a through hole, the ball is arranged in the through hole, one side of the ball is abutted against the middle rod or the upper nest in the radial direction of the middle rod, and the other opposite side of the ball is abutted against the inner side wall of the pull cylinder.

3. A push-pull opening and closing device on an umbrella as claimed in claim 2, wherein: the inner side of the pull cylinder comprises an inclined surface capable of pushing the ball to slide and a vertical surface for keeping the ball in a temporary fixed state, and the vertical surface is vertical to the radial direction of the middle rod.

4. A push-pull opening and closing device on an umbrella as claimed in claim 3, wherein: along go up nest extremely the direction of nest down, the vertical includes first vertical and second vertical in proper order, first vertical to the distance of well stick axis is greater than the distance of second vertical to well stick axis, first vertical with the second vertical passes through the inclined plane links to each other.

5. A push-pull type opening and closing device on an umbrella as claimed in claim 4, wherein: and the lower nest is provided with a limiting part for limiting the pull cylinder to slide along the axial direction.

6. A push-pull type opening and closing device on an umbrella as claimed in claim 5, wherein: the pull cylinder is provided with a groove or a bulge which is convenient for a human hand to push and pull.

7. A push-pull opening and closing device on an umbrella as claimed in claim 1, wherein: the clamping hole is a through hole which directly penetrates through the middle rod;

or the upper nest comprises an extension section, the extension section extends from the upper nest to the lower nest, the extension section is fixedly or movably sleeved on the middle rod, and the clamping hole is a through hole penetrating through the extension section.

8. A push-pull opening and closing device on an umbrella as claimed in claim 1, wherein: the ball is spherical; or the ball is cylindrical, and the cylindrical ball is contacted and propped against the inner wall of the pull cylinder through a cylindrical surface.

9. A push-pull opening and closing device on an umbrella as claimed in claim 8, wherein: the material of the ball is metal, ceramic or plastic.

10. An umbrella, characterized in that: comprising a push-pull opening and closing device on an umbrella as claimed in any of claims 1-9.

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