CN112932042B - Automatic telescopic structure of electric umbrella - Google Patents
Automatic telescopic structure of electric umbrella Download PDFInfo
- Publication number
- CN112932042B CN112932042B CN202110473104.4A CN202110473104A CN112932042B CN 112932042 B CN112932042 B CN 112932042B CN 202110473104 A CN202110473104 A CN 202110473104A CN 112932042 B CN112932042 B CN 112932042B
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- screw rod
- bidirectional screw
- umbrella
- pulley
- tube
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 68
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 238000007906 compression Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B19/00—Special folding or telescoping of umbrellas
- A45B19/04—Special folding or telescoping of umbrellas with telescopic sticks
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B19/00—Special folding or telescoping of umbrellas
- A45B19/10—Special folding or telescoping of umbrellas with collapsible ribs
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B25/00—Details of umbrellas
- A45B25/14—Devices for opening and for closing umbrellas
- A45B25/143—Devices for opening and for closing umbrellas automatic
Landscapes
- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
一种电动伞的自动伸缩结构，包括：中棒（1），上巢（21），下巢（22），伞把（3），转动动力组件（41），下巢拉线（81），外管拉线（82），传动滑轴（5），双向旋丝杆（6），固定于中管（12）内腔的上套管（71），固定于内管（11）内腔的下套管（72）；所述双向旋丝杆（6）为中空结构，其一边外侧壁设有左旋螺牙、另一边外侧壁设有右旋螺牙；所述转动动力组件（41）通过传动滑轴（5）带动双向旋丝杆（6）转动；所述下套管（72）和上套管（71）的内侧壁设有内螺纹并分别与双向旋丝杆（6）的两边螺纹连接。本发明的电动伞的自动伸缩结构工作时噪声小，而且更加省力省电，更经久耐用。
An automatic telescopic structure of an electric umbrella comprises: a middle rod (1), an upper nest (21), a lower nest (22), an umbrella handle (3), a rotating power assembly (41), a lower nest pull wire (81), an outer tube pull wire (82), a transmission slide shaft (5), a bidirectional screw rod (6), an upper sleeve (71) fixed to the inner cavity of the middle tube (12), and a lower sleeve (72) fixed to the inner cavity of the inner tube (11); the bidirectional screw rod (6) is a hollow structure, one side of the outer wall of which is provided with a left-handed screw thread, and the other side of the outer wall of which is provided with a right-handed screw thread; the rotating power assembly (41) drives the bidirectional screw rod (6) to rotate through the transmission slide shaft (5); the inner side walls of the lower sleeve (72) and the upper sleeve (71) are provided with internal threads and are respectively connected to the two sides of the bidirectional screw rod (6) by threads. The automatic telescopic structure of the electric umbrella of the present invention has low noise when working, is more labor-saving and power-saving, and is more durable.
Description
Technical Field
The invention relates to an umbrella component for daily use, in particular to an automatic telescopic structure for controlling an electric umbrella to open and close.
Background
The automatic multi-fold umbrella of opening in the existing market is popular because of convenient to use and carry, the purpose of automatic opening is accomplished through setting up the spring piece of opening the umbrella in the interior of well stick external member to general automatic multi-fold umbrella, and the speed is fast when opening the umbrella but sound is also very loud when inside spring pops open, and empty spring also causes in the extrusion stick contact surface to lead to well stick impaired, and when receiving the umbrella, the operator needs the stick external member in the umbrella of hand external force pressing, and inside long spring compression process dynamics is very strong, causes the user to experience the sense extremely poor. At present, the whole electric umbrella uses a plurality of pull wires to control the lifting of each pipe fitting of the middle rod, which consumes more power, and often causes the situation that the electric umbrella can not be opened and folded due to no power.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an automatic telescopic structure of an electric umbrella, which has small noise, saves labor and electricity.
The technical scheme of the invention is as follows:
An automatic telescopic structure of an electric umbrella, comprising: a middle rod formed by sequentially sleeving an inner pipe, a middle pipe and an outer pipe from inside to outside in a sliding way, an upper nest arranged at the top of the outer pipe, a lower nest sleeved outside the middle rod in a sliding way, an umbrella handle fixedly connected with the bottom of the inner pipe, the rotating power assembly is arranged in the umbrella handle and is used for pulling the lower nest stay wire which moves upwards from the lower nest when the umbrella is opened and pulling the outer pipe stay wire which stretches upwards from the outer pipe when the umbrella is opened;
Further comprises: the device comprises a transmission sliding shaft, a bidirectional screw rod, an upper sleeve fixed in the inner cavity of the middle tube and a lower sleeve fixed in the inner cavity of the inner tube;
The bidirectional screw rod is of a hollow structure, the outer side wall of one side of the bidirectional screw rod is provided with left-handed screw teeth, and the outer side wall of the other side of the bidirectional screw rod is provided with right-handed screw teeth; one end of the transmission sliding shaft is connected with the rotation power assembly, the other end of the transmission sliding shaft is connected with the inner cavity of the bidirectional screw rod in a sliding and inserting mode, and the rotation power assembly drives the bidirectional screw rod to rotate through the transmission sliding shaft; the inner side wall of the lower sleeve is provided with an internal thread and is in threaded connection with one side of the bidirectional screw rod, and the inner side wall of the upper sleeve is provided with an internal thread and is in threaded connection with the other side of the bidirectional screw rod.
The top of the outer tube is fixedly provided with a first pulley seat, and a pulley is arranged on the first pulley seat; one end of the lower nest stay wire is connected to the middle pipe, and the other end of the lower nest stay wire is connected to the first pulley seat after sequentially winding around the pulley arranged at the first pulley seat and the pulley arranged at the lower nest.
The top of the upper sleeve is provided with a second pulley seat, and a pulley is arranged on the second pulley seat and positioned at the top of the middle tube; one end of the outer tube pull wire is connected with the bidirectional screw rod, and the other end of the outer tube pull wire is connected to the first pulley seat after sequentially winding a pulley arranged on the second pulley seat and a pulley arranged at the bottom of the outer tube.
The umbrella handle is internally provided with an electronic control assembly, the rotating power assembly comprises a motor, and a placing groove for installing a battery is formed in the umbrella handle.
The invention relates to an automatic telescopic structure of an electric umbrella, which comprises: the umbrella comprises a middle rod, an upper nest, a lower nest, an umbrella handle, a rotating power assembly and a lower nest stay wire, wherein the middle rod is formed by sequentially sleeving an inner pipe, a middle pipe and an outer pipe in a sliding manner from inside to outside, the upper nest is arranged at the top of the outer pipe, the lower nest is sleeved outside the middle rod in a sliding manner, the umbrella handle is fixedly connected with the bottom of the inner pipe, and the rotating power assembly is arranged in the umbrella handle and is used for pulling the lower nest stay wire which moves upwards when an umbrella is opened;
Further comprises: the device comprises a transmission sliding shaft, a bidirectional screw rod, an upper sleeve fixed in the inner cavity of the outer tube and a lower sleeve fixed in the inner cavity of the inner tube;
The bidirectional screw rod is of a hollow structure, the outer side wall of one side of the bidirectional screw rod is provided with left-handed screw teeth, and the outer side wall of the other side of the bidirectional screw rod is provided with right-handed screw teeth; one end of the transmission sliding shaft is connected with the rotation power assembly, the other end of the transmission sliding shaft is inserted into the inner cavity of the bidirectional screw rod, and the rotation power assembly drives the bidirectional screw rod to rotate through the transmission sliding shaft; the inner side wall of the lower sleeve is provided with an internal thread and is in threaded connection with one side of the bidirectional screw rod, and the inner side wall of the upper sleeve is provided with an internal thread and is in threaded connection with the other side of the bidirectional screw rod.
A third pulley seat is fixedly arranged at the top of the outer tube, and a pulley is arranged on the third pulley seat; one end of the lower nest stay wire is connected to the bidirectional screw rod, and the other end of the lower nest stay wire is connected to the third pulley seat after sequentially winding around the pulley arranged at the third pulley seat and the pulley arranged at the lower nest.
The third pulley seat is fixedly connected with the top of the upper sleeve.
And a compression spring is arranged in the outer tube, and the bottom of the compression spring is propped against the middle tube.
The umbrella handle is internally provided with an electronic control assembly, the rotating power assembly comprises a motor, and a placing groove for installing a battery is formed in the umbrella handle.
Compared with the prior art, the automatic telescopic structure of the electric umbrella adopts the bidirectional screw rod to drive the pipe fittings of the middle rod to move, so that the double moving length between the pipe fittings of the middle rod can be realized when the pipe fittings move by one time, the number of turns of the bidirectional screw rod is only half of that of the unidirectional screw rod, the moving distance is shorter, and half of time can be saved, therefore, the electric umbrella is more power-saving and durable; compared with the traditional structure adopting an umbrella opening spring, the umbrella opening spring has the advantages that the noise is much smaller during operation, and the middle rod is not required to be compressed with force during umbrella folding, so that the umbrella opening spring is more labor-saving and has better use experience.
Drawings
FIG. 1 is a schematic view of an automatic telescopic structure of an electric umbrella according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the outer tube and the upper section of the middle tube of FIG. 1;
FIG. 3 is an enlarged view of the lower section of the middle tube and the upper section of the inner tube of FIG. 1;
FIG. 4 is a schematic view of an automatic telescopic structure of an electric umbrella according to an embodiment of the present invention;
FIG. 5 is a schematic view of a two-way screw rod, a lower nest stay wire and an outer tube stay wire when an umbrella is retracted;
FIG. 6 is an exploded view of a first embodiment of the present invention;
FIG. 7 is an exploded view of a power transmission structure according to a first embodiment of the present invention;
FIG. 8 is a schematic view of a second embodiment of the present invention when the umbrella is opened;
FIG. 9 is an enlarged view of the outer tube and the upper section of the middle tube of FIG. 8;
fig. 10 is a schematic structural view of a second embodiment of the present invention when the umbrella is retracted.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings.
Example 1
As shown in fig. 1,2 and 3, the automatic telescopic structure of the electric umbrella of the present invention comprises: the umbrella comprises a middle rod 1, an upper nest 21 arranged at the top of the middle rod 1, a lower nest 22 sleeved outside the middle rod 1 in a sliding manner, an umbrella handle 3 fixedly connected with the bottom of the middle rod 1, a rotating power assembly 41 arranged in the umbrella handle 3, a lower nest stay wire 81 used for pulling the lower nest 22 to move upwards when the umbrella is opened, an outer pipe stay wire 82 used for pulling the outer pipe 13 to extend upwards when the umbrella is opened, a transmission sliding shaft 5, a bidirectional spiral rod 6, an upper sleeve 71 and a lower sleeve 72. The middle rod 1 is formed by sleeving an inner pipe 11, a middle pipe 12 and an outer pipe 13 in a sliding manner from inside to outside, the upper nest 21 is fixed at the top of the outer pipe 13, the umbrella handle 3 is fixedly connected with the bottom of the inner pipe 11, the inner end of the umbrella rib 10 is connected with the upper nest 21 and the lower nest 22, and the umbrella rib 10 can be unfolded or folded by sliding the lower nest 22 up and down.
As shown in fig. 5 and 7, the bidirectional screw rod 6 has a hollow structure, the inner cavity of which is provided with a sliding slot 63 penetrating to the bottom surface, the lower outer side wall of the bidirectional screw rod 6 is provided with a left-handed screw 61, and the upper outer side wall is provided with a right-handed screw 62. The lower end of the transmission sliding shaft 5 is connected with the rotation power assembly 41, and the upper end of the transmission sliding shaft is in sliding insertion connection with a sliding long hole 63 in the inner cavity of the bidirectional screw rod 6. The cross section of the transmission sliding shaft 5 is of a polygonal structure, and the cross section of the sliding long hole 63 is of a polygonal shape matched with the outer side wall of the transmission sliding shaft 5, so that the transmission sliding shaft 5 and the bidirectional screw rod 6 can vertically slide relatively but cannot rotate relatively, and the rotation power assembly 41 can drive the bidirectional screw rod 6 to rotate through the transmission sliding shaft 5.
The inner side wall of the upper sleeve 71 is provided with an internal thread matched with the right-handed screw 62 and is in threaded connection with the upper part of the bidirectional screw rod 6. The inner side wall of the lower sleeve 72 is provided with an internal thread matched with the left-handed screw 61 and is in threaded connection with the lower part of the bidirectional screw rod 6. Thus, when the rotary power unit 41 drives the bi-directional screw rod 6 to rotate through the transmission sliding shaft 5, the upper sleeve 71 and the lower sleeve 72 simultaneously move vertically in opposite directions relative to the bi-directional screw rod 6, so that the relative movement distance between the upper sleeve 71 and the lower sleeve 72 is twice as long as that of the bi-directional screw rod 6 relative to the upper sleeve 71 or the lower sleeve 72, and the required time is only half as long as that of the unidirectional screw rod.
As shown in fig. 1 and 6, the upper sleeve 71 is fixed to the inner cavity of the middle tube 12, the lower sleeve 72 is fixed to the inner cavity of the inner tube 11, and a common structure of matching a protrusion and a notch can be adopted to realize the fixation between the upper sleeve 71 and the middle tube 12, and the fixation between the lower sleeve 72 and the inner tube 11, and the fixation cannot rotate relatively. When the bidirectional screw rod 6 rotates, the middle tube 12 and the inner tube 11 can be driven to move vertically relatively in opposite directions simultaneously by the upper sleeve 71 and the lower sleeve 72.
In this embodiment, as shown in fig. 2, 5 and 6, a first pulley seat 83 is fixedly disposed on the top of the outer tube 13, and a groove for installing a pulley 86 and a slot for accommodating and fixing a pull wire are disposed on the first pulley seat 83. The top of the upper sleeve 71 is fixedly provided with a second pulley seat 84, and the second pulley seat 84 is also positioned at the top of the middle tube 12, and is provided with a groove for installing a pulley 88 and a slot hole for fixing a stay wire. A through hole 132 is formed in the bottom side wall of the outer tube 13, a pulley cover assembly 131 is buckled in the through hole 132, and a pulley 89 is installed in the pulley cover assembly 131.
One end of the lower nest stay wire 81 is connected to the slot hole of the second pulley seat 84 arranged at the top of the middle tube 12, and the other end is sequentially wound around the pulley 86 and the pulley 87 arranged at the lower nest 22 and then is connected to the slot hole of the first pulley seat 83. One end of the outer tube pull wire 82 is connected to the slot hole 64 arranged at the top of the bidirectional screw rod 6, and the other end sequentially passes through the pulley 88 arranged on the second pulley seat 84 and the pulley 89 arranged at the bottom of the outer tube 13, and then is upwards connected to the slot hole of the first pulley seat 83. The wire winding utilizes the principle of a linkage pulley block, and the pull wire can save labor when pulling the lower nest 22 or the outer tube 13.
As shown in fig. 4 and 6, the umbrella handle 3 comprises an outer shell 32 and an inner seat 33, an electronic control assembly 42 is also installed at the inner seat 33, the rotating power assembly 41 can comprise a motor, and the like, and a placing groove 43 for installing a battery is arranged in the umbrella handle 3 and is used for supplying power to the motor by the battery. The umbrella handle 3 is also provided with a button 31 for controlling the opening and closing of the umbrella.
As shown in fig. 1,2 and 3, when the umbrella is to be opened, the electronic control assembly 42 is pressed by pressing the button 31 on the umbrella handle 3 to release electric energy to drive the rotary power assembly 41 to reversely rotate the transmission sliding shaft 5, and the transmission sliding shaft 5 drives the bidirectional screw rod 6 to reversely rotate, so that the upper sleeve 71 and the lower sleeve 72 synchronously move in a direction away from the middle part of the bidirectional screw rod 6, thereby driving the inner tube 11 to move downwards relative to the bidirectional screw rod 6 and the middle tube 12 to move upwards relative to the bidirectional screw rod 6, because the inner tube 11 is fixed on the umbrella handle 3, and as a result, the middle tube 12 moves upwards relative to the inner tube 11 by a distance twice as much as the displacement of the bidirectional screw rod 6. In this process, as the distance between the top of the bidirectional screw rod 6 and the top of the middle tube 23 is lengthened, the outer tube pull wire 82 pulls the bottom of the outer tube 13 upward through the pulley 88 so that the outer tube 13 moves upward relative to the middle tube 12, further, as the outer tube 13 moves upward, the lower nest pull wire 81 pulls the lower nest 22 upward through the pulley 87 so that the rib 10 is opened, and the electronic control unit 42 automatically controls to stop releasing the electric energy to the rotating power unit 41, so that the umbrella is in the open state as shown in fig. 1.
When the umbrella is to be folded, the button 31 on the umbrella handle 3 is pressed again to press the electronic control assembly 42 to release electric energy to drive the rotary power assembly 41 to rotate the transmission sliding shaft 5 positively, and the transmission sliding shaft 5 drives the bidirectional screw rod 6 to rotate positively, so that the upper sleeve 71 and the lower sleeve 72 synchronously move towards the direction close to the middle part of the bidirectional screw rod 6, thereby driving the inner tube 11 to move upwards relative to the bidirectional screw rod 6, and the middle tube 12 to move downwards relative to the bidirectional screw rod 6, and as a result, the middle tube 12 moves downwards relative to the inner tube 11 by a distance twice as much as the displacement of the bidirectional screw rod 6 and is folded and sleeved outside the inner tube 11. In this process, as the distance between the top of the bidirectional screw rod 6 and the top of the middle tube 23 is shortened, the outer tube 13 loses the tension of the outer tube pull wire 82 and moves downwards under the action of gravity and is sleeved outside the middle tube 12, further, the lower nest 22 also loses the tension of the lower nest pull wire 81 and moves downwards under the action of the furling force and gravity of the umbrella rib 10, further, the upper sleeve 71 is pulled upwards by the lower nest pull wire 81 to further accelerate the folding and sleeving between the outer tube 13 and the middle tube 12, and as one end of the outer tube pull wire 82 is fixed on the first pulley seat 83 and the other end is fixed on the bidirectional screw rod 6 to form mutual tension limitation, each tube of the middle rod 1 cannot be stretched, and the electronic control assembly 42 automatically controls to stop releasing electric energy to the rotating power assembly 41, and at this time, the umbrella is in the umbrella furling state as shown in fig. 4.
Example two
As shown in fig. 8 and 9, the second embodiment has a structure largely identical to that of the first embodiment, and includes: the umbrella comprises a middle rod 1, an upper nest 21 arranged at the top of the middle rod 1, a lower nest 22 sleeved outside the middle rod 1 in a sliding way, an umbrella handle 3 fixedly connected with the bottom of the middle rod 1, a rotating power assembly 41 arranged in the umbrella handle 3, a lower nest stay wire 81 used for pulling the lower nest 22 to move upwards when the umbrella is opened, a transmission sliding shaft 5, a bidirectional screw rod 6, an upper sleeve 71 and a lower sleeve 72. The umbrella handle 3 can also be further provided with an electronic control component 42.
The second embodiment is different from the first embodiment in that: the upper sleeve 71 is fixed to the inner cavity of the outer tube 13, and there is no need to provide an outer tube pull wire 82, and there is no need to provide a second pulley seat 84, and accordingly there is no need to provide a pulley or other component at the bottom of the outer tube 13. As shown in fig. 9, a third pulley seat 85 is fixedly arranged on the top of the outer tube 13, and a pulley 86 is mounted on the third pulley seat 85. One end of the lower nest stay wire 81 is fixedly connected to a slot hole formed in the top of the bidirectional screw rod 6, and the other end sequentially passes around a pulley 86 installed at the third pulley seat 85 and a pulley 87 installed at the lower nest 22 and then is upwards connected to the third pulley seat 85. In the second embodiment, the third pulley seat 85 is fixedly connected to the top of the upper sleeve 71.
In addition, a compression spring 9 is further installed in the outer tube 13, the top of the compression spring 9 abuts against the third pulley seat 85, and the bottom abuts against the middle tube 12, so that the middle tube 12 can be prevented from retracting into the outer tube 13 when the umbrella is opened.
As shown in fig. 8 and 9, when the umbrella is to be opened, the upper sleeve 71 and the lower sleeve 72 respectively drive the outer tube 13 and the inner tube 11 to synchronously move in a direction away from the middle of the bidirectional screw rod 6, so that the outer tube 13, the middle tube 12 and the inner tube 11 are stretched, the compression spring 9 can assist the stretching between the middle tube 12 and the outer tube 13 at the moment, in the process, the upper sleeve 71 and the outer tube 13 move upwards relative to the bidirectional screw rod 6, the lower nest pull wire 81 is pulled to pull the lower nest 22 upwards through the pulley 87, so that the umbrella rib 10 is opened until the umbrella is in an umbrella opening state as shown in fig. 8, and the electronic control assembly 42 automatically controls to stop releasing electric energy to the rotating power assembly 41.
When the umbrella is to be folded, the upper sleeve 71 and the lower sleeve 72 respectively drive the outer tube 13 and the inner tube 11 to synchronously move in the direction close to the middle part of the bidirectional screw rod 6, so that the outer tube 13, the middle tube 12 and the inner tube 11 are compressed and sleeved together, at this time, the upper sleeve 71 and the outer tube 13 move downwards relative to the bidirectional screw rod 6, the lower nest 22 also loses the pulling force of the lower nest pull wire 81 and moves downwards under the action of the folding force and gravity of the umbrella rib 10, and because one end of the lower nest pull wire 81 is fixed on the third pulley seat 85 and the other end is fixed on the bidirectional screw rod 6 to form mutual pulling force limitation, each tube fitting of the middle rod 1 cannot be stretched, and the electronic control assembly 42 automatically controls to stop releasing electric energy to the rotating power assembly 41, so that the umbrella is in the umbrella folding state shown in fig. 10.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110473104.4A CN112932042B (en) | 2021-04-29 | 2021-04-29 | Automatic telescopic structure of electric umbrella |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110473104.4A CN112932042B (en) | 2021-04-29 | 2021-04-29 | Automatic telescopic structure of electric umbrella |
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| Publication Number | Publication Date |
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| CN112932042A CN112932042A (en) | 2021-06-11 |
| CN112932042B true CN112932042B (en) | 2024-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110473104.4A Active CN112932042B (en) | 2021-04-29 | 2021-04-29 | Automatic telescopic structure of electric umbrella |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN218185612U (en) * | 2022-09-21 | 2023-01-03 | 杭州小壹创新科技有限公司 | Lifting device for sunshade umbrella and sunshade equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214710934U (en) * | 2021-04-29 | 2021-11-16 | 巫小彦 | Automatic telescopic structure of electric umbrella |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101773325B (en) * | 2009-12-29 | 2014-04-23 | 张书闵 | Pull wire structure of automatic opening and closing umbrella |
| CN202005333U (en) * | 2010-12-21 | 2011-10-12 | 马准安 | Cantilever umbrella |
| CN208463123U (en) * | 2018-06-29 | 2019-02-05 | 金欧（福建）投资有限公司 | The Telescopic rod structure of full-automatic opening and closing umbrella |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN214710934U (en) * | 2021-04-29 | 2021-11-16 | 巫小彦 | Automatic telescopic structure of electric umbrella |
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