WO2022042107A1

WO2022042107A1 - Fully automatic opening and closing umbrella

Info

Publication number: WO2022042107A1
Application number: PCT/CN2021/106198
Authority: WO
Inventors: 陈传扬
Original assignee: 惠州市华美鸿基伞业制品有限公司
Priority date: 2020-08-25
Filing date: 2021-07-14
Publication date: 2022-03-03
Also published as: KR20230042361A; CN111772309A

Abstract

A fully automatic opening and closing umbrella comprises: a central pole (1), an upper runner (21), a lower runner (22), an umbrella handle (3), and umbrella ribs (4). The central pole (1) is formed of at least two tubes connected by means of slidably insertion in an outward direction, and comprises a first tube (11) connected to the umbrella handle (3), and a second tube (12) sleeved onto the first tube (11). A motor (5) is provided inside the umbrella handle (3). An output shaft of the motor (5) is connected to a transmission member provided in an internal cavity of the first tube (11). A gear rack (7) is fixedly provided inside the second tube (12) in a length direction thereof. The transmission member is provided with a structure engaging with the gear rack (7). Rotation of the motor (5) drives the gear rack (7) to move upwards or downwards by means of the transmission member. The fully automatic opening and closing umbrella transfers power by means of the transmission member provided at the first tube (11) and the gear rack (7) provided inside the second tube (12). The umbrella has enhanced reliability and durability, and a simple structure that realizes automatic extension and retraction of the central pole (1).

Description

Fully automatic opening and closing umbrella

technical field

The invention relates to umbrellas for daily use, in particular to an electric folding umbrella with automatic opening and closing functions.

Background technique

The existing automatic opening and closing umbrellas on the market mainly include mechanical and electric types. The control of the mechanical opening and closing umbrella is mainly through the opening spring, the bullet head, and the bullet head connected to one end. And it is realized by winding through the middle rod and the pulley set on the lower nest, the complex control device set in the umbrella handle and many other components. By pressing the control button on the umbrella handle, the umbrella can be automatically opened and automatically folded. However, after the umbrella surface is folded, the user still needs to forcefully compress the tubes of the unfolded middle rod until they are locked in order to completely fold the umbrella. In addition, in order to prevent the accident of the middle rod rebounding and hurting people caused by accidentally releasing the middle rod during the process of compressing the middle rod, the existing automatic opening and closing multi-fold umbrella also needs to be installed in the middle rod and umbrella handle. Umbrella retraction safety device for ropes, reels, ratchets, springs, ratchet clips and other components. This further causes the structure of the automatic opening and closing umbrella to be quite complicated, with many parts, and it is difficult to assemble, which increases the cost of the umbrella, and the work is not reliable enough. The electric structure, as disclosed in the Chinese utility model patent with the bulletin number CN205813811U, mainly controls the expansion and contraction of each section of the pipe fittings of the middle rod by driving the pulley and the rope group set in the middle rod through the motor in the umbrella handle. Although this kind of structure is relatively simple, all the force of unfolding each section of the middle rod needs to be transmitted through the pull rope in the pipe connected to the umbrella handle, which makes it difficult to open the umbrella and the pull rope is easily damaged after long-term use. And the problem that the umbrella cannot be used.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a fully automatic opening and closing umbrella that can automatically retract the middle rod when the umbrella is retracted, has a simpler structure, is more reliable in operation and is more durable.

The technical solution adopted by the present invention to solve the above-mentioned technical problems is to provide a fully automatic opening and closing umbrella, comprising: a middle rod, an upper nest installed on the top of the middle rod, a lower nest slidingly sleeved on the middle rod, and a middle rod installed in the middle rod. The umbrella handle at the bottom of the rod, and the umbrella rib connected with the upper nest and the lower nest; the middle rod is formed by sliding and sheathing at least two pipe pieces from the inside to the outside, including: a first pipe connected with the umbrella handle , a second pipe fitting adjacent to the first pipe fitting;

The umbrella handle is provided with a motor, and the output shaft of the motor is connected with the transmission member arranged in the inner cavity of the first pipe member;

A rack is fixedly arranged in the second pipe along its length direction, and the rack is engaged with the transmission element;

The rotation of the motor will drive the rack to move up or down through the transmission element.

The transmission member is a transmission worm, the bottom of the transmission worm is connected with the output shaft of the motor, and the top is provided with helical teeth meshing with the rack.

A sliding sleeve is fixedly arranged at the bottom of the rack, and the sliding sleeve is movably sleeved outside the rod portion of the transmission worm.

The transmission member includes a gear belt and a transmission gear arranged on the top of the first pipe member. The transmission gear meshes with the rack. The output shaft of the motor is fixedly sleeved with a motor gear. The motor drives the gear belt through the gear belt. The transmission gear rotates.

A first pulling rope is connected to the pipe fitting of the middle rod which is adjacent to the pipe connecting to the upper nest, and the other end of the first pulling rope is connected to the lower nest after passing through the upper nest pulley arranged on the upper nest.

The top of the second pipe is connected to the upper nest, and one end of the first drawstring is connected to the top of the first pipe.

The middle rod also includes a third pipe fitting adjacent to the second pipe fitting, the top of the third pipe fitting is connected to the upper nest, and one end of the first pulling rope is connected with the top of the second pipe fitting; One end of the rope is connected to the first pipe, and the other end is connected to the bottom of the third pipe after passing through the first pulley arranged on the top of the second pipe; the bottom of the rack is provided with a second pulley, and one end of a third pull rope is connected On the top of the first pipe, the other end is connected to the top of the third pipe or the upper nest after passing through the second pulley.

A first inner plug is fixedly installed on the top of the first pipe fitting, and one ends of the second pulling rope and the third pulling rope are respectively connected to the first inner plug; the top of the second pipe fitting is fixedly installed with a second inner plug, The second inner plug is simultaneously fixed on the top of the rack, and the first pulley is installed at the second inner plug.

An umbrella rib spring is installed on the umbrella rib.

Compared with the prior art, the fully automatic opening and closing umbrella of the present invention drives the rack of the second tubular part to move up and down by setting the transmission part in the first tubular part, thereby driving the expansion and contraction of the second tubular part, which is more efficient than the traditional mechanical automatic opening and closing umbrella. The structure is simpler, and the middle rod pipe can be automatically retracted. Compared with the traditional electric automatic umbrella opening and closing, the work is more reliable, labor-saving, and the service life is longer.

Description of drawings

Fig. 1 is the schematic diagram of the fully automatic opening and closing umbrella embodiment one of the present invention when the umbrella is opened;

Fig. 2 is the schematic diagram of the fully automatic opening and closing umbrella embodiment one of the present invention when the umbrella is closed;

3 is a schematic structural diagram of the rod 1 and the umbrella handle 3 when the umbrella is opened in the first embodiment of the present invention;

4 is a schematic structural diagram of the rod 1 and the umbrella handle 3 when the umbrella is opened in the second embodiment of the present invention;

5 is an exploded view of the middle rod 1 and the umbrella handle 3 of the first embodiment of the present invention;

6 is an enlarged view of the upper nest 21;

FIG. 7 is an enlarged view of the connection between the second pipe piece 12 and the third pipe piece 13;

8 is a schematic structural diagram of the connection between the transmission member and the rack 7 in the first embodiment of the present invention;

FIG. 9 is a schematic structural diagram of the connection between the transmission member and the rack 7 in the second embodiment of the present invention.

detailed description

The present invention will be described in further detail below in conjunction with the embodiments shown in the accompanying drawings.

As shown in Figures 1 and 2, the fully automatic opening and closing umbrella of the present invention comprises: a middle rod 1, an upper nest 21 mounted on the top of the middle rod 1, a lower nest 22 slidingly sleeved on the middle rod 1, The umbrella handle 3 at the bottom of the middle rod 1 and the umbrella rib 4 connected with the upper nest 21 and the lower nest 22 . Wherein, the middle rod 1 is formed by sliding sleeves of at least two sections of pipe fittings from the inside to the outside. In the open umbrella state as shown in FIG. Fully open; and in the umbrella-retracted state as shown in FIG.

The following is an example of the most common fully automatic opening and closing umbrella with a 3-stage middle rod shown in the accompanying drawings.

The middle rod 1 includes a first pipe piece 11 , a second pipe piece 12 and a third pipe piece 13 that are sleeved from the inside to the outside in sequence. The bottom of the first pipe 11 is connected to the umbrella handle 3 , and the top of the third pipe 13 is fixedly connected to the upper nest 21 .

The special feature of the present invention lies in the improvement of the automatic telescopic structure of the second pipe member 12. As shown in FIG. 3 and FIG. 5, the umbrella handle 3 is provided with a motor 5, and the output shaft of the motor 5 is connected to the The inner cavity of the first tube 11 is connected to the transmission member, and the second tube 12 is fixedly provided with a rack 7 along its length direction. The transmission member is provided with a structure that engages with the rack 7, and the motor 5 rotates The rack 7 and the second pipe member 12 are driven to move upward or downward through the transmission member.

In the first embodiment shown in Figures 3, 5 and 8, the transmission member is a transmission worm 61, the bottom of the transmission worm 61 is connected with the output shaft of the motor 5, and the top is provided with the rack 7 meshing helical teeth 62. The rotation of the motor 5 will drive the transmission worm 61 to rotate, and the helical teeth 62 on the transmission worm 61 act on the rack 7 to move up or down, so that the second pipe 12 also expands or contracts downward. At this time, preferably, a sliding sleeve 71 is fixedly disposed at the bottom of the rack 7 , and the sliding sleeve 71 is movably sleeved outside the rod portion of the transmission worm 61 . The guiding effect makes the telescopic action of the second pipe member 12 smoother.

In the second embodiment as shown in FIG. 4 and FIG. 9 , the transmission member includes a gear belt 63 and a transmission gear 64 provided on the top of the first pipe member 11 . The transmission gear 64 meshes with the rack 7 , so The output shaft of the motor 5 is fixedly sleeved with a motor gear 51, and the rotation of the motor 5 will drive the transmission gear 64 to rotate through the motor gear 51 and the gear belt 63, and then the transmission gear 112 will drive the rack 7 upward or downward. moving downward, whereby the second pipe member 12 also expands upward or contracts downward.

Therefore, the structure in which the output shaft of the motor 5 drives the rack 7 and the second pipe member 12 to move through the transmission member makes the telescopic structure of the second pipe member 12 more reliable and labor-saving, and is less prone to failure.

As shown in FIG. 5 , the motor 5 is powered by a battery arranged in the umbrella handle 3, and a control button 31 is installed on the side wall of the umbrella handle 3. Pressing the control button 31 can make the motor 5 rotate forward or reversely, thereby driving the first The second pipe member 12 ascends or descends relative to the first pipe member 11 .

In order to automatically open the umbrella rib 4 when the umbrella is opened, as shown in FIG. 3 and FIG. 6 , one end of a first pull rope 81 is connected to the top of the second pipe member 12 , and the other end of the first pull rope 81 is wound around the warp. The lower nest 22 is connected behind the upper nest pulley 211 of the upper nest 21 .

In order to stretch the third tubular member 13 upward when the umbrella is opened, as shown in FIGS. 3 and 7 , one end of a second pulling rope 82 is connected to the top of the first tubular member 11 , and the other end of the second pulling rope 82 is wound around the The first pulley 122 on the top of the second pipe 12 is then connected to the bottom of the third pipe 13 .

In order to shrink the third pipe 13 downward when the umbrella is retracted, as shown in Figure 3, Figure 4, Figure 5, Figure 6 and Figure 9, the bottom of the rack 7 is provided with a second pulley 123, a third One end of the pull rope 83 is connected to the top of the first pipe 11 , and the other end is connected to the top of the third pipe 13 or the upper nest 21 after passing through the second pulley 123 .

In order to facilitate the installation of components such as the transmission gear 112, the pulley and the pull rope, as shown in Figures 3 to 5, a first inner plug 111 can be fixedly installed on the top of the first pipe 11, and the top of the transmission worm 61 in the first embodiment is inserted into the The first inner plug 111 can be used for positioning, and the transmission gear 112 in the second embodiment can be installed at the first inner plug 111, and one ends of the second pull rope 82 and the third pull rope 83 are also respectively connected to the first inner plug 111 . A second inner plug 121 can be fixedly installed on the top of the second pipe piece 12 , the second inner plug 121 is also fixed on the top of the rack 7 , and the first pulley 122 is installed at the second inner plug 121 , One end of the first pull cord 81 is connected to the second inner plug 121 .

In addition, as shown in FIG. 1 , a rib spring 41 is installed on the rib 4 to provide the power to fold the rib. The configuration of the rib spring 41 is in the prior art and will not be repeated here.

When the umbrella is opened, as shown in FIG. 3 or FIG. 4 , the motor 5 rotates forward and drives the rack 7 through the transmission element (such as the transmission worm 61 in the first embodiment, or the gear belt 63 and the transmission gear 64 in the second embodiment) and its second pipe 12 rises, and with the rise of the second pipe 12, the second pull rope 82 pulls the third pipe 13 to rise relative to the second pipe 12, while the first pull rope 81 pulls the lower nest 22 to rise to open the rib 4. Thus, the three sections of the pipe fittings of the middle rod 1 are all stretched out to form the open umbrella state as shown in FIG. 1 .

When the umbrella is retracted, the motor 5 reverses and drives the rack 7 and its second pipe 12 to descend through the transmission element. The distance between them is elongated, and the third pulling rope 83 pulls the third pipe piece 13 to descend relative to the second pipe piece 12, so that all the three pipe pieces of the middle rod 1 are superimposed and compressed. The tension of the first pulling rope 81 is lost in the fall, and the umbrella rib 4 is folded up by the umbrella rib spring 41 to form the umbrella folded state as shown in FIG. 2 .

Of course, the present invention can also be applied to a fully automatic opening and closing umbrella with a middle rod having two, four or more sections of pipe fittings, and only some parts of the umbrella in the above embodiment need to be appropriately modified.

For example, for the fully automatic opening and closing umbrella of the middle rod with only the first pipe fitting 11 and the second pipe fitting 12, only the motor 5, the transmission member, the rack 7 and other components can realize the expansion and contraction of the middle rod 1, without the need for The components of the second pulley 82 , the third pulley 83 , the first pulley 122 and the second pulley 123 are provided. At this time, the top of the second pipe 12 is connected to the upper nest 21 , and one end of the first pull cord 81 is connected to the top of the first pipe 11 .

As for the fully automatic opening and closing umbrella with 4 pipe fittings in the middle rod, the middle rod 1 also includes a third pipe fitting adjacent to the second pipe fitting 12 and a fourth pipe fitting adjacent to the third pipe fitting, The top of the fourth pipe is connected with the upper nest 21 . One end of the first cable 81 is connected to the top of the third pipe; one end of the second cable 82 is connected to the first pipe 11 , and the other end is connected to the third The bottom of the pipe fitting 13 is connected; one end of the third pulling rope 83 is connected to the top of the first pipe fitting 11, and the other end is connected to the top or the upper nest of the fourth pipe fitting after passing through the second pulley 123; in addition, one end of the fourth pulling rope is provided It is connected to the second pipe piece 12, and the other end is connected to the bottom of the fourth pipe piece after passing through the pulley arranged on the top of the third pipe piece.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

A fully automatic opening and closing umbrella, comprising: a middle rod (1), an upper nest (21) mounted on the top of the middle rod (1), a lower nest (22) slidably sleeved on the middle rod (1), installed The umbrella handle (3) at the bottom of the middle rod (1), the umbrella rib (4) connected with the upper nest (21) and the lower nest (22); It is formed by sliding sleeve connection from inside to outside, including: a first pipe fitting (11) connected with the umbrella handle (3), and a second pipe fitting (12) adjacent to the first pipe fitting (11); in:

The umbrella handle (3) is provided with a motor (5), and the output shaft of the motor (5) is connected with a transmission member arranged in the inner cavity of the first pipe member (11);

A rack (7) is fixedly arranged in the second pipe member (12) along its length direction, and the transmission member is provided with a structure for engaging with the rack (7), and the rotation of the motor (5) will cause the rotation of the motor (5). The rack (7) is driven to move up or down by the transmission element.
The fully automatic opening and closing umbrella according to claim 1, characterized in that: the transmission member is a transmission worm (61), the bottom of the transmission worm (61) is connected with the output shaft of the motor (5), and the top is provided with Helical teeth (62) meshing with the rack (7).
The fully automatic opening and closing umbrella according to claim 2, wherein a sliding sleeve (71) is fixedly arranged at the bottom of the rack (7), and the sliding sleeve (71) is movably sleeved on the transmission worm (61). ) outside the stem.
The fully automatic opening and closing umbrella according to claim 1, characterized in that: the transmission member comprises a gear belt (63) and a transmission gear (64) arranged on the top of the first pipe member (11), the transmission gear (64) Meshing with the rack (7), the output shaft of the motor (5) is fixedly sleeved with a motor gear (51), and the motor (5) drives the transmission gear (64) to rotate through the gear belt (63). .
The fully automatic opening and closing umbrella according to any one of claims 1 to 4, characterized in that: the pipe fitting of the middle rod (1) is connected with the pipe fitting adjacent to the pipe fitting connecting the upper nest (21) with a first A pull rope (81), the other end of the first pull rope (81) is connected to the lower nest (22) after passing through the upper nest pulley (211) arranged on the upper nest (21).
The fully automatic opening and closing umbrella according to claim 5, characterized in that: the top of the second pipe (12) is connected to the upper nest (21), and one end of the first pull rope (81) is connected to the first pipe (11) TOP LINK.
The fully automatic opening and closing umbrella according to claim 5, characterized in that: the middle rod (1) further comprises a third pipe piece (13) that is sleeved adjacent to the second pipe piece (12), and the third pipe piece ( 13) The top is connected to the upper nest (21), one end of the first pull rope (81) is connected to the top of the second pipe (12); one end of a second pull rope (82) is connected to the first pipe (11) ), the other end is connected with the bottom of the third pipe (13) after passing through the first pulley (122) arranged on the top of the second pipe (12); the bottom of the rack (7) is provided with a second pulley (123) One end of a third pulling rope (83) is connected to the top of the first pipe (11), and the other end is connected to the top of the third pipe (13) or the upper nest (21) after passing through the second pulley (123).
The fully automatic opening and closing umbrella according to claim 7, characterized in that: a first inner plug (111) is fixedly installed on the top of the first pipe (11), the second pulling rope (82) and the third pulling One end of the rope (83) is respectively connected to the first inner plug (111); a second inner plug (121) is fixedly installed on the top of the second pipe (12), and the second inner plug (121) is simultaneously fixed to the On the top of the rack (7), the first pulley (122) is installed at the second inner plug (121).
The fully automatic opening and closing umbrella according to any one of claims 1 to 4, characterized in that: an umbrella rib spring (41) is installed on the umbrella rib (4).