CN212994981U - Automatic folding umbrella capable of being opened and closed stably - Google Patents
Automatic folding umbrella capable of being opened and closed stably Download PDFInfo
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- CN212994981U CN212994981U CN202021543424.XU CN202021543424U CN212994981U CN 212994981 U CN212994981 U CN 212994981U CN 202021543424 U CN202021543424 U CN 202021543424U CN 212994981 U CN212994981 U CN 212994981U
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- screw rod
- rib
- automatic folding
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Abstract
The utility model discloses an automatic folding umbrella that can steadily open and shut, wherein, including the umbrella stick includes upper segment portion, middle-segment portion and lower segment portion, still including establishing nest under the rib on the rib in upper segment portion, cover establish the rib on the umbrella stick nest down to and drive the umbrella stick and stretch and the device that opens and shuts that the nest reciprocated on the rib. After the structure is adopted, the utility model discloses the rib goes up nest and rib lower nest and is connected with the rib, and the rib is connected and is supported the umbrella face, and the device that opens and shuts drives the umbrella stick flexible to drive the rib lower nest simultaneously and reciprocate on the umbrella stick, thereby realize opening and shutting the folding umbrella. Compared with the prior art, the utility model discloses can the steady opening and shutting of one-hand control folding umbrella, protection umbrella structure prolongs the life of umbrella.
Description
Technical Field
The utility model relates to a folding umbrella technical field, concretely relates to automatic folding umbrella that can steadily open and shut.
Background
The umbrella is a tool for shading sun or rain and snow. The existing folding umbrella needs to be operated by both hands when being opened and closed, although some automatic umbrellas have the function of automatic opening, most of the automatic opening folding umbrellas rely on elastic force to open the umbrella ribs, the elastic force of the folding umbrellas is larger when being opened, the reaction force generated by the elastic force easily causes impact damage to the umbrella handle and the umbrella rib structure of the folding umbrella, the service life of the umbrella is shortened, and therefore the use is very inconvenient.
In view of the above, the applicant has made an intensive study to solve the above problems and has made the present invention.
Disclosure of Invention
The main object of the utility model is to provide an automatic folding umbrella that can steadily open and shut, can the steady opening and shutting of one-hand control folding umbrella, protection umbrella structure prolongs the life of umbrella.
In order to achieve the above purpose, the solution of the present invention is:
the utility model provides an automatic folding umbrella that can steadily open and shut, wherein, including the umbrella stick includes upper segment portion, middle-section portion and lower section portion, sliding connection is established in middle-section portion to upper segment portion cover, sliding connection is established in lower section portion to middle-section portion cover, still including establishing on the rib of upper segment portion nest, establish the rib nest under the rib on the umbrella stick to and the drive umbrella stick stretches and the device that opens and shuts that the nest reciprocated on the rib.
Furthermore, the opening and closing device comprises a first screw rod, a second screw rod driven by the first screw rod and a nut for driving the umbrella cover to open and close; the second screw rod is matched with the first screw rod through threads and is positioned above the first screw rod, and the nut is matched with the second screw rod; the upper end of the first screw rod is provided with a first clamping part which is clamped at the lower end of the second screw rod and drives the second screw rod to rotate, and the lower end of the second screw rod is provided with a second clamping part which is matched with the first clamping part and clamped together.
Furthermore, the second screw rod is provided with a threaded hole matched with the first screw rod, the first screw rod is provided with a first external thread matched with the threaded hole, and the second screw rod is provided with a second external thread matched with the nut.
Furthermore, the first clamping part comprises a clamping ring arranged at the upper end of the first screw rod; the second clamping portion comprises an accommodating hole which is formed in the second screw rod and used for the first screw rod to extend into, and a necking is formed in the communicating position of the accommodating hole and the threaded hole.
Furthermore, the opening and closing device also comprises a power device arranged at the lower end of the lower section part, a rope fixing block connected at the upper end of the middle section part, a guide rod and a rope arranged in the upper section part, and a pulley arranged at the upper end of the upper section part; the first screw rod is connected with the power device, the lower end of the guide rod is connected with the nut, the upper end of the guide rod is connected with the upper section, one end of the rope is connected with the rope fixing block, and the other end of the rope is connected with the lower nest of the umbrella rib by bypassing the pulley.
Furthermore, a guide rod fixing block is arranged at the upper end of the upper section part.
Furthermore, the guide rod fixing block is provided with a fixing groove for embedding the guide rod.
Furthermore, the guide rod comprises a butting part and a connecting part which are vertically connected, the butting part is connected with the nut, and the connecting part is embedded into the fixing groove.
Furthermore, a mounting groove is formed in the guide rod fixing block, and the pulley is rotatably connected in the mounting groove.
Further, the mounting groove comprises a first groove body and a second groove body, the first groove body is arranged above the inner side of the side wall of the upper section part, and the second groove body is arranged above the outer side of the side wall of the upper section part; the pulley is equipped with the axis of rotation that the level set up, the axis of rotation rotates to be connected in the mounting groove, the pulley cover is established in the axis of rotation to the tangent point of being connected with the rope of pulley is in first cell body and second cell body respectively.
Furthermore, the nut is provided with a plug-in groove for the guide rod to be inserted and connected.
Furthermore, the rope fixing block is provided with a guide hole for the guide rod to be inserted and guided.
Furthermore, the power device is a motor, and a control switch for controlling the forward rotation and the reverse rotation of the motor is arranged on the motor.
Furthermore, the lower end of the upper section part is provided with a limiting block.
Furthermore, the lower end of the middle section part is provided with a clamping convex block protruding outwards.
After adopting above-mentioned structure, when opening folding umbrella, power device drive first screw rod corotation drives second screw rod and nut rebound, and rope fixed block is supported to first screw rod upper end and takes middle-section portion rebound even, and the screw drives to lead and takes upper segment portion rebound. Then first screw rod removes to second screw rod bottom, and the snap ring supports with the lateral wall of throat and pushes up fixedly for first screw rod becomes an organic whole with second screw rod fixed connection, and power device continues to rotate at this moment and drives first screw rod and drive second screw rod corotation, makes the nut remove to the upper end of second screw rod, and the nut drives the guide arm and takes upper segment portion to continue the rebound, and the distance between rope fixed block and the guide arm fixed block is elongated, and rope pulling rib lower nest is close to rib upper nest, drives the rib and opens and struts the umbrella face. And because the rope encircles the pulley, the pulley moves upwards along with the guide rod fixing block, so that the rising speed of the lower nest of the umbrella ribs is twice of that of the upper section.
When the folding umbrella is combined, the power device drives the first screw rod to rotate reversely, and the snap ring and the necking are still propped against and fixed at the moment, so that the first screw rod drives the second screw rod to rotate reversely, and the nut moves downwards and carries the guide rod and the upper section part to move downwards. In the process that the upper section part moves downwards, the distance between the rope fixing block and the guide rod fixing block is gradually reduced, and the lower nest of the umbrella ribs is downwards propped against the upper grooves of the umbrella ribs under the elastic action of the spring to drive the umbrella ribs to gradually retract the umbrella cover. Then, the nut continues to move to the bottom end of the second screw rod to stop moving and fixing, the second screw rod cannot continue to rotate reversely, the first screw rod continues to rotate reversely, the snap ring is separated from the necking, the first screw rod drives the second screw rod to move downwards, and the nut, the guide rod and the upper section portion are driven to continue to move downwards. In the process that the upper section part moves downwards, the limiting block is abutted against the clamping convex block, so that the middle section part is driven to move downwards, and the umbrella handle is folded.
Compared with the prior art, the utility model can automatically open and close the folding umbrella by one hand, and the operation is convenient; and open or closed umbrella face through screw rod stable transmission for folding umbrella opens and shuts more steadily, reduces the impact force that the rib received, plays the effect of protection rib, has improved folding umbrella's life greatly.
Drawings
Fig. 1 is a schematic sectional view of the umbrella handle when the umbrella of the present invention is opened.
Fig. 2 is a schematic sectional view of the umbrella with the handle facing the other direction when the umbrella of the present invention is opened.
Fig. 3 is a partially enlarged view of the area a in fig. 1.
Fig. 4 is a partially enlarged view of the region B in fig. 1.
Fig. 5 is a partially enlarged view of the region C in fig. 2.
Fig. 6 is a schematic view of the shape and structure of the umbrella handle when the umbrella of the present invention is folded.
Fig. 7 is a schematic sectional view of the umbrella handle when the umbrella of the present invention is folded.
In the figure:
an umbrella rib upper nest-11; a lower nest-12 of the umbrella frame; a spring-13; an upper section-21; a limiting block-211;
middle section-22; a clamping convex block-221; a lower section-23; a first screw-31; a snap ring-311;
a second screw-32; a containing hole-321; -322, a threaded hole; a necking-323; a nut-33;
a plug-in groove-331; rope fixing blocks-34; a guide hole-341; a guide rod-35; offset-351;
a connecting portion-352; a rope-36; pulley-37; a power plant-38; a control switch-381;
a guide rod fixing block-39; a fixed slot-391; mounting groove-392.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 1-7, an automatic folding umbrella that can steadily open and shut, wherein, including umbrella stick, umbrella stick including from top to bottom connected gradually upper segment portion 21, middle-sized segment portion 22 and lower segment portion 23, upper segment portion 21 cover is established sliding connection on middle-sized segment portion 22, middle-sized segment portion 22 cover is established sliding connection on lower segment portion 23, still including establishing rib upper nest 11 on upper segment portion 21, establishing rib lower nest 12 on the umbrella stick in the cover, and the device that opens and shuts, rib upper nest 11 and rib lower nest 12 are connected with the rib, and the rib is connected and is supported the umbrella face, and the device that opens and shuts drives the umbrella stick flexible to drive rib lower nest 12 reciprocate on the umbrella stick simultaneously, thereby realize the folding umbrella that opens and shuts.
Preferably, the opening and closing device comprises a first screw 31, a second screw 32 driven by the first screw 31 and a nut 33 driving the umbrella cover to open and close; the second screw rod 32 is in threaded fit with the first screw rod 31 and is positioned above the first screw rod 31, and the nut 33 is matched with the second screw rod 32; the upper end of the first screw 31 is provided with a first clamping portion clamped at the lower end of the second screw 32 and driving the second screw 32 to rotate, and the lower end of the second screw 32 is provided with a second clamping portion matched with the first clamping portion and clamped together.
With the above structure, the power device 38 drives the first screw 31 to rotate, drives the second screw 32 to move upwards to extend the umbrella handle, and then the first locking portion is locked with the second locking portion, so that the first screw 31 and the second screw 32 are integrated into a whole, and the first screw 31 drives the second screw 32 to rotate together, and drives the nut 33 to move upwards to open the umbrella cover.
Preferably, in this embodiment, the bottom of the second screw 32 is formed with a threaded hole 322 for engaging with the first screw 31, the first screw 31 is formed with a first external thread for engaging with the threaded hole 322, and the second screw 32 is formed with a second external thread for engaging with the nut 33.
Preferably, the first blocking portion includes a snap ring 311 disposed at the upper end of the first screw 31; the second blocking portion includes a containing hole 321 provided in the second screw rod 32 for the first screw rod 31 to extend into, and a communication part between the containing hole 321 and the threaded hole 322 is provided with a necking 323. After the structure is adopted, when the second screw rod 32 moves to the top of the first screw rod 31, the snap ring 311 moves to the position of the reduced opening 323 and abuts against and is fixed with the side wall of the reduced opening 323, so that the first screw rod 31 cannot move downwards any more, and the first screw rod 31 and the second screw rod 32 are fixedly connected into a whole.
Preferably, the opening and closing device further comprises an upper umbrella rib nest 11 arranged on the upper section 21, a spring 13 arranged at the lower end of the upper umbrella rib nest 11, a lower umbrella rib nest 12 sleeved on the upper section 21 and sliding, a power device 38 arranged at the lower end of the lower section 23, a rope fixing block 34 connected to the upper end of the middle section 22, a guide rod 35 and a rope 36 arranged in the upper section 21, and a pulley 37 arranged at the upper end of the upper section 21; the first screw 31 is connected with a power device 38, the lower end of the guide rod 35 is connected with the nut 33, the upper end of the guide rod is connected with the upper section 21, one end of the rope 36 is connected with the rope fixing block 34, and the other end of the rope is connected with the lower umbrella rib nest 12 by passing through the pulley 37.
Preferably, the upper end of the upper section 21 is provided with a guide rod fixing block 39, and the guide rod fixing block 39 is provided with a fixing groove 391 for the guide rod 35 to be inserted. By adopting the structure, the guide rod 35 is fixedly connected with the upper section part 21 through the guide rod fixing block 39, so that the guide rod 35 drives the upper section part 21 to move in the moving process.
Preferably, the guide 35 includes a contact portion 351 and a connection portion 352, the contact portion 351 is connected to the nut 33, and the connection portion 352 is inserted into the fixing groove 391.
Preferably, still be equipped with mounting groove 392 in the guide arm fixed block 39, pulley 37 rotates to be connected in mounting groove 392, plays the guard action to pulley 37, avoids pulley 37 to collide with the damage.
More preferably, the mounting groove 392 comprises a first groove body and a second groove body, the first groove body is arranged above the inner side of the side wall of the upper section 21, and the second groove body is arranged above the outer side of the side wall of the upper section 21; the pulley 37 is provided with a rotating shaft which is horizontally arranged, the rotating shaft is rotatably connected in the mounting groove, the pulley 37 is sleeved on the rotating shaft, and the tangent points of the pulley 37, which are connected with the rope 36, are respectively positioned in the first groove body and the second groove body. With the above configuration, the rope 36 can be prevented from rubbing against the side wall of the upper stage portion, and the rope 36 can be prevented from breaking.
Preferably, the nut 33 is provided with an insertion groove 331 for insertion connection of the guide rod 35. The abutting part 351 of the guide rod 35 is inserted into the insertion groove 331 and fixedly connected with the nut 33, so that the guide rod 35 and the nut 33 are more convenient to disassemble and assemble.
Preferably, the rope fixing block 34 is provided with a guide hole 341 for inserting the guide rod 35 therethrough. After adopting above-mentioned structure, guiding hole 341 provides the direction for guide arm 35 is more steady in the removal process.
Preferably, the power device 38 is a motor, and the motor is provided with a control switch 381 for controlling the forward and reverse rotation of the motor. The motor is adopted for driving, the size is small, the weight is light, the price and the cost are lower, and the maintenance is convenient.
Preferably, the lower end of the upper section part 21 is provided with a limiting block 211, the bottom end of the limiting block 211 protrudes outwards, so that the umbrella rib lower nest 12 can be prevented from sliding out of the upper section part 21, and a limiting effect is achieved.
Preferably, the lower end of the middle section 22 is provided with a locking projection 221 protruding outwards. In the process of downward movement of the upper section 21, the limiting block 211 abuts against the blocking protrusion 221, so as to drive the middle section 22 to move downward together.
After the structure is adopted, when the umbrella is opened, the power device 38 drives the first screw rod 31 to rotate forward to drive the second screw rod 32 and the nut 33 to move upwards, the upper end of the first screw rod 31 abuts against the rope fixing block 34 and drives the middle section part 22 to move upwards, and the screw drives the upper section part 21 to move upwards. Then the first screw 31 moves to the bottom of the second screw 32, the snap ring 311 abuts against and is fixed with the side wall of the reducing opening 323, so that the first screw 31 and the second screw 32 are fixedly connected into a whole, at this time, the power device 38 continues to rotate and drive the first screw 31 to drive the second screw 32 to rotate forward, the nut 33 moves towards the upper end of the second screw 32, the nut 33 drives the guide rod 35 with the upper section 21 to continue to move upwards, the distance between the rope fixing block 34 and the guide rod fixing block 39 is lengthened, and the rope 36 pulls the lower rib nest 12 to be close to the upper rib nest 11, so as to drive the ribs to open and prop open the umbrella cover. And since the rope 36 is wound around the pulley 37, the pulley 37 moves upward together with the guide rod fixing block 39, so that the raising speed of the umbrella rib lower nest 12 is twice as fast as that of the upper segment 21.
When the umbrella is combined, the power device 38 drives the first screw rod 31 to rotate reversely, and at this time, the snap ring 311 and the necking 323 are still fixed in an abutting manner, so that the first screw rod 31 drives the second screw rod 32 to rotate reversely, and the nut 33 moves downwards and carries the guide rod 35 and the upper section 21 to move downwards. In the process that the upper section part 21 moves downwards, the distance between the rope fixing block 34 and the guide rod fixing block 39 is gradually reduced, and the lower umbrella rib nest 12 is downwards propped against the upper umbrella rib groove under the elastic action of the spring 13 to drive the umbrella ribs to gradually fold the umbrella cover. Then, the nut 33 continues to move to the bottom end of the second screw rod 32, and stops moving and fixing, the second screw rod 32 cannot continue to rotate reversely, the first screw rod 31 continues to rotate reversely, so that the snap ring 311 is separated from the necking 323, the first screw rod 31 drives the second screw rod 32 to move downwards, and the nut 33, the guide rod 35 and the upper section 21 are driven to continue to move downwards. In the process that the upper section part 21 moves downwards, the limiting block 211 abuts against the blocking convex block 221, so as to drive the middle section part 22 to move downwards, and the umbrella handle is folded.
Compared with the prior art, the utility model can automatically open and close the folding umbrella by one hand, and the operation is convenient; and open or closed umbrella face through screw rod stable transmission for folding umbrella opens and shuts more steadily, reduces the impact force that the rib received, plays the effect of protection rib, has improved folding umbrella's life greatly.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (15)
1. The utility model provides an automatic folding umbrella that can steadily open and shut, its characterized in that, including the umbrella stick includes upper segment portion, middle-section portion and lower section portion, sliding connection is established in middle-section portion to upper segment portion cover, middle-section portion cover is established in lower section portion sliding connection, still including establishing on the rib in upper segment portion nest, cover and establish under the rib nest on the umbrella stick to and drive the umbrella stick and stretch and contract the device that opens and shuts that the nest reciprocated on the rib.
2. The automatic folding umbrella capable of being opened and closed smoothly as claimed in claim 1, wherein the opening and closing means comprises a first screw, a second screw driven by the first screw, and a nut for driving the umbrella cover to open and close; the second screw rod is matched with the first screw rod through threads and is positioned above the first screw rod, and the nut is matched with the second screw rod; the upper end of the first screw rod is provided with a first clamping part which is clamped at the lower end of the second screw rod and drives the second screw rod to rotate, and the lower end of the second screw rod is provided with a second clamping part which is matched with the first clamping part and clamped together.
3. The automatic folding umbrella capable of being smoothly opened and closed according to claim 2, wherein the second screw is formed with a screw hole to be engaged with the first screw, the first screw is formed with a first external thread to be engaged with the screw hole, and the second screw is formed with a second external thread to be engaged with the nut.
4. The automatic folding umbrella capable of being opened and closed smoothly as claimed in claim 3, wherein the first catching portion comprises a snap ring provided at an upper end of the first screw; the second clamping portion comprises an accommodating hole which is formed in the second screw rod and used for the first screw rod to extend into, and a necking is formed in the communicating position of the accommodating hole and the threaded hole.
5. The automatic folding umbrella capable of being smoothly opened and closed as claimed in claim 2, wherein the opening and closing means further comprises a power means provided at the lower end of the lower section, a rope fixing block connected to the upper end of the middle section, a guide rod and a rope provided in the upper section, and a pulley provided at the upper end of the upper section; the first screw rod is connected with the power device, the lower end of the guide rod is connected with the nut, the upper end of the guide rod is connected with the upper section, one end of the rope is connected with the rope fixing block, and the other end of the rope is connected with the lower nest of the umbrella rib by bypassing the pulley.
6. The automatic folding umbrella capable of being smoothly opened and closed as claimed in claim 5, wherein a guide rod fixing block is provided at an upper end of the upper section.
7. The automatic folding umbrella which can be smoothly opened and closed as claimed in claim 6, wherein the guide bar fixing block is provided with a fixing groove in which the guide bar is inserted.
8. The automatic folding umbrella capable of being smoothly opened and closed according to claim 7, wherein the guide rod comprises a butt portion and a connecting portion, the butt portion is vertically connected with the nut, and the connecting portion is embedded in the fixing groove.
9. The automatic folding umbrella capable of being smoothly opened and closed as claimed in claim 6, wherein an installation groove is further provided in the guide rod fixing block, and the pulley is rotatably coupled in the installation groove.
10. The automatic folding umbrella capable of being opened and closed smoothly as claimed in claim 9, wherein the mounting groove comprises a first groove body and a second groove body, the first groove body is arranged above the inner side of the side wall of the upper section part, and the second groove body is arranged above the outer side of the side wall of the upper section part; the pulley is equipped with the axis of rotation that the level set up, the axis of rotation rotates to be connected in the mounting groove, the pulley cover is established in the axis of rotation to the tangent point of being connected with the rope of pulley is in first cell body and second cell body respectively.
11. The automatic folding umbrella capable of being smoothly opened and closed as claimed in claim 5, wherein the nut is provided with a inserting groove for inserting and connecting the guide rod.
12. The automatic folding umbrella capable of being smoothly opened and closed as claimed in claim 5, wherein the rope fixing block is provided with a guide hole for a guide rod to be inserted and guided.
13. The automatic folding umbrella capable of being opened and closed smoothly as claimed in claim 5, wherein the power device is a motor, and the motor is provided with a control switch for controlling the motor to rotate forward and backward.
14. The automatic folding umbrella capable of being smoothly opened and closed as claimed in claim 1, wherein a stopper is provided at the lower end of the upper section.
15. The automatic folding umbrella capable of being opened and closed smoothly as claimed in claim 1, wherein the lower end of the middle section part is provided with a locking projection protruding outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021543424.XU CN212994981U (en) | 2020-07-30 | 2020-07-30 | Automatic folding umbrella capable of being opened and closed stably |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021543424.XU CN212994981U (en) | 2020-07-30 | 2020-07-30 | Automatic folding umbrella capable of being opened and closed stably |
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| Publication Number | Publication Date |
|---|---|
| CN212994981U true CN212994981U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021543424.XU Active CN212994981U (en) | 2020-07-30 | 2020-07-30 | Automatic folding umbrella capable of being opened and closed stably |
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| Country | Link |
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| CN (1) | CN212994981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112006396A (en) * | 2020-07-30 | 2020-12-01 | 海峡(晋江)伞业科技创新中心有限公司 | Automatic opening and closing umbrella |
-
2020
- 2020-07-30 CN CN202021543424.XU patent/CN212994981U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112006396A (en) * | 2020-07-30 | 2020-12-01 | 海峡(晋江)伞业科技创新中心有限公司 | Automatic opening and closing umbrella |
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