CN113682990A - Household lifting device - Google Patents
Household lifting device Download PDFInfo
- Publication number
- CN113682990A CN113682990A CN202110880146.XA CN202110880146A CN113682990A CN 113682990 A CN113682990 A CN 113682990A CN 202110880146 A CN202110880146 A CN 202110880146A CN 113682990 A CN113682990 A CN 113682990A
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- gear
- screw rod
- unit
- transmission
- transmission unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a household lifting device, comprising: a drive device; the first screw rod is connected with the driving device; the second screw rod is positioned at the lower part of the first screw rod; the first gear is connected with the first screw rod and the second screw rod; the locking device is positioned on one side of the first gear; the upper part of the adjusting device is inserted into the vertical cylinder at one side of the shield, and the lower part of the adjusting device is connected with the first gear through a threaded hole; the first transmission unit is arranged on one side of the first screw rod; the second transmission unit is arranged on one side of the second screw rod, and the tail end of the second transmission unit is connected to the bracket; the third transmission unit is connected with the first transmission unit and the second transmission unit through a traction line; the lifting unit is connected with the third transmission unit. Through the device, for the family expenses provide a novel hoisting device, can change the promotion speed through selecting different hob, changed the goods among the help people daily life and promoted the problem, brought selection and convenience for daily life.
Description
Technical Field
The invention belongs to the field of cargo lifting, and particularly relates to a household lifting device.
Background
In daily life, a plurality of goods are often required to be placed at a certain position, and in the existing life, people often use a hand-held or lifting device to well control the lifting rate, so that inconvenience is brought to the life of people.
Disclosure of Invention
In view of the above technical problems in the related art, the present invention provides a household lifting device, which can overcome the above disadvantages in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
a domestic lifting device, the device comprising: a drive device; the first screw rod is connected with the driving device; the second screw rod is positioned at the lower part of the first screw rod; the first gear is connected with the first screw rod and the second screw rod; the locking device is positioned on one side of the first gear; the upper part of the adjusting device is inserted into the vertical cylinder at one side of the shield, and the lower part of the adjusting device is connected with the first gear through a threaded hole; the first transmission unit is arranged on one side of the first screw rod; the second transmission unit is arranged on one side of the second screw rod, and the tail end of the second transmission unit is connected to the bracket; the third transmission unit is connected with the first transmission unit and the second transmission unit through a traction line; the lifting unit is connected with the third transmission unit through a traction line; wherein, the guard shield is installed in the outside of drive arrangement one end, is equipped with the screw thread on first hob and the second hob.
Further, the driving device includes: a first rotating handle; a first drive nut; wherein, the first rotating handle and the first driving nut are fixedly connected through a connecting rod.
Further, the driving device includes: driving the rotating shaft; a drive motor; wherein, the driving rotating shaft and the transmission motor are connected through a transmission belt.
Further, the locking device includes: a lock nut installed on a bracket of the locking device; the locking screw is arranged at the lower side of the locking nut; wherein, the locking screw rod is provided with a first locking nut and a second locking nut.
Further, the adjusting device includes: a second drive handle; a rocker mounted in the second drive handle; and the adjusting screw rod is positioned at the lower side of the second transmission handle.
Further, the first transmission unit and the second transmission unit comprise: a second gear connected with the first gear; the two sides of the bottom of the transmission cylinder are connected with the second gear through the conveyor belt, and the upper part of the transmission cylinder is inserted into the partition plate, wherein the partition plate is arranged between the first gear and the second gear; the transmission cylinder is hollow, and a traction line is arranged in the transmission cylinder; the baffle plate is provided with a transmission cylinder hole and a gear hole.
Further, a transmission section of thick bamboo lower part is equipped with the pivot, and the pivot includes: the device comprises a first conveyor belt unit, a second conveyor belt unit and a traction line unit.
Furthermore, a third conveyor belt unit and a fourth conveyor belt unit are arranged on two sides of the second gear.
Furthermore, the third transmission unit comprises a first wire wheel, a second wire wheel and a third wire wheel, the first wire wheel is connected with the wire pulling unit of the first transmission unit through a wire pulling line, the second wire wheel is connected with the wire pulling unit of the second transmission unit through a wire pulling line, and the third wire wheel is respectively connected with the first wire wheel and the second wire wheel through the wire pulling line.
Furthermore, the lifting unit is wound with a roller which is respectively connected with the third wire wheel and goods through a pulling wire.
The invention has the beneficial effects that: through the device, for the family expenses provide a novel hoisting device, can change the promotion speed through selecting different hob, changed the goods among the help people daily life and promoted the problem, brought selection and convenience for daily life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 shows a schematic structural view of a home lifting device according to an embodiment of the present invention;
fig. 2 shows a schematic structural view of a first transmission unit, a second transmission unit part and a first gear according to an embodiment of the present invention;
FIG. 3 shows a schematic structural view of a transfer drum and a spindle according to an embodiment of the present invention;
FIG. 4 shows a schematic structural view of a second gear according to an embodiment of the present invention;
FIG. 5 shows a schematic structural view of an adjustment device and a shield according to an embodiment of the present invention;
FIG. 6 shows a schematic structural view of a locking device and a first gear according to an embodiment of the present invention;
FIG. 7 shows a schematic structural diagram of a manual drive according to an embodiment of the present invention;
fig. 8 shows a schematic structural view of an automatic drive according to an embodiment of the present invention.
In the figure: 1. driving device, 1001, first rotating handle, 1002, first driving nut, 1003, connecting rod, 1011, driving rotating shaft, 1021, driving motor, 1031, driving belt, 2, first screw rod, 3, second screw rod, 4, first gear, 5, adjusting device, 501, second driving handle, 502, rocker, 503, adjusting screw, 6, locking device, 601, locking nut, 602, locking screw, 603, first locking nut, 604, second locking nut, 7, first driving unit, 8, transmission barrel, 801, first conveying belt unit, 802, second conveying belt unit, 803, traction wire unit, 9, second gear, 901, third conveying belt unit, 902, fourth conveying belt unit, 10, second driving unit, 11, conveying belt, 12, first reel, 13, second reel, 14, third reel, 15, third driving unit, 16, third driving unit, 3, fourth conveying belt unit, 10, second driving unit, 11, conveying belt, 12, first reel, 13, second reel, 14, third reel, 15, third driving unit, 16, and the like, Lifting unit, 17, shield, 18, partition.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a home lifting device comprises: the driving device 1 is used for driving the first screw rod 2 and the second screw rod 3 to move up and down, and the driving device 1 is divided into a manual driving device 1 (shown in figure 7) and an automatic driving device 1 (shown in figure 8); the first screw rod 2 is connected with the driving device 1, and the distances of lifting the goods by the pulling line are adjusted by rotating the first gear 4 on the first screw rod 2 and rotating the second screw rod 3; the second screw rod 3 is positioned at the lower part of the first screw rod 2; the first screw rod 2 and the second screw rod 3 are provided with screw threads.
A first gear 4 connected to the first screw rod 2 and the second screw rod 3, wherein the first gear 4 has a screw thread inside, and the screw thread can make the first gear 4 move up and down on the first screw rod 2 and the second screw rod 3; the outer side of the first gear 4 is provided with a plurality of gears meshed with the second gear 9. As shown in fig. 2, the first gear 4 is used for driving the second gear 9 to rotate; a partition plate 18 is provided between the first gear 4 and the second gear 9, and the second gear 9 is located at a lower portion of the partition plate 18.
And the locking device 6 is positioned on one side of the first gear 4.
For example, as shown in fig. 6, when the first gear 4 is adjusted to a proper position, two lock nuts on the locking device 6 respectively block the upper and lower sides of the edge of the first gear 4, so that the first gear 4 is not biased up and down too much; the locking screw 602 on the locking device 6 passes through the threaded hole on the bracket.
The upper part of the adjusting device 5 is inserted into the vertical cylinder at one side of the shield 17, and the lower part of the adjusting device is connected with the first gear 4 through a threaded hole; as shown in fig. 5, after the first gear 4 reaches a certain position, the driving device 1 drives and adjusts the first screw rod 2 and the second screw rod 3, which may be relatively large, at this time, fine adjustment is needed to make the first gear 4 reach a proper position, the rocker 502 is rotated, the adjusting screw 503 enters a threaded hole in the first gear 4, the first gear 4 is moved, when the adjusting screw is adjusted to a proper position, the first lock nut 603 and the second lock nut 604 are adjusted to proper positions closely, so that the first lock nut 603 and the second lock nut 604 block the first gear 4, and when the adjusting screw 503 is rotated out again, the first gear 4 does not rise and shift.
A first transmission unit 7 installed at one side of the first screw rod 2; the first transmission unit 7 is adapted for a slow transmission both right at the beginning of the transmission and up to the end of the transmission, due to the slower transmission of the power received from the first screw 2. The pulling wire coming out of the transmission drum 8 in the first transmission unit 7 is wound on the first pulley 12, which is then wound on the third pulley 14 in the third transmission unit 15, and the other pulling wire comes out of the third transmission unit 15 for the wire for lifting the goods on one wheel of the lifting unit 16.
The second transmission unit 10 is arranged on one side of the second screw rod 3, and the tail end of the second transmission unit is connected to the bracket; the second transmission unit 10 is a fast transmission unit which receives the transmission force from the second screw rod 3, wherein the pulling wire comes out from the transmission drum 8 in the second transmission unit 10, winds around the second wire wheel 13, and then winds around the third wire wheel 14 in the third transmission unit 15 (as shown in fig. 1, the pulling wire and the wheel wound by the pulling wire coming out from the transmission drum 8 in the first transmission unit 7 on the third transmission unit 15 are not the same wheel, the two wheels do not rotate simultaneously, when the wheel rotated by the pulling wire coming out from the transmission drum 8 in the first transmission unit 7, the wheel rotated by the pulling wire coming out from the transmission drum 8 in the second transmission unit 10 does not rotate, and vice versa), and then the other pulling wire comes out from the third transmission unit 15 to one wheel of the lifting unit 16 (the pulling wire and the pulling wire coming out from the third transmission unit 15 to the lifting unit 16 are the same wire) A line, this tractive line no matter the wheel that the tractive line that transmission cylinder 8 in the first transmission unit 7 came out drove rotates, still the wheel that the tractive line that transmission cylinder 8 in the second transmission unit 10 came out drove rotates, and this tractive line twines the wheel on third line wheel 14 all can rotate, and no matter which one of the tractive line that two transmission cylinders 8 came out like this can both drive the wheel rotation of being connected on third line wheel 14 and lifting unit 16). The third transmission unit 15 is connected with the first transmission unit 7 and the second transmission unit 10 through a traction line; the lifting unit 16 is connected with the third transmission unit 15 through a pulling line and is used for lifting cargoes; wherein, the protective cover 17 is arranged at the outer side of one end of the driving device 1, and the first screw rod 2 and the second screw rod 3 are provided with screw threads.
In some embodiments of the invention, as shown in fig. 7, the driving device 1 comprises: the first rotating handle 1001 is in a spherical shape, and is used for holding the first rotating handle 1001 to manually adjust the first screw rod 2 and the second screw rod 3 upwards or downwards, loosening the first rotating handle after the first rotating handle is tightened for the first time, lifting the first driving nut 1002 upwards, restoring the first driving nut 1002 to the original position, sleeving the first driving nut on the upper portion of the first screw rod 2, tightening the first screw rod 2 upwards, doing reciprocating motion, and finally driving the first screw rod 2 and the second screw rod 3 to move up and down; a first drive nut 1002; the first rotating handle 1001 and the first driving nut 1002 are fixedly connected through a connecting rod 1003, and an opening for rotating the connecting rod 1003 is formed in one side of the shield 17.
In some embodiments of the invention, as shown in fig. 8, the driving device 1 comprises: the driving rotating shaft 1011 is a structural device for driving the first spiral rod 2 and the second spiral rod 3 to move up and down, and a transmission belt 1031 is sleeved outside the driving rotating shaft 1011; the driving motor 1021 drives the driving rotation shaft 1011 to rotate through a transmission belt 1031, wherein the driving rotation shaft 1011 and the driving motor 1021 are connected through the transmission belt 1031.
In some embodiments of the invention, as shown in fig. 6, the locking device 6 comprises: a lock nut 601 mounted on a bracket of the locking device 6; and a locking screw 602, which is installed at the lower side of the locking nut 601, and is used for supporting, facilitating the movement of the first locking nut 603 and the second locking nut 604 at the upper side and fixing the first locking nut 603 and the second locking nut 604 at specific positions, wherein the first locking nut 603 and the second locking nut 604 are arranged on the locking screw 602.
In some embodiments of the invention, as shown in fig. 5, the adjusting device 5 comprises: the second transmission handle 501 is spherical and convenient to hold on the upper edge; a rocker 502 mounted in the second driving handle 501 for rotating the rocking adjustment screw 503 to move up and down; and an adjusting screw 503 positioned at the lower side of the second transmission handle 501. The first gear 4 has a plurality of threaded holes with a truncated-fan shape, and when the adjusting screw 503 rotates in the threaded hole of the first gear 4, the first gear 4 can slightly rotate on the first screw rod 2 and the second screw rod 3. The adjusting screw 503 is inserted into a threaded hole in the first gear 4 and rotated to finely adjust the position of the first gear 4. The left side of the shield 17 has a hollow vertical cylinder through which the adjustment screw 503 passes. The shaft is threaded with the adjusting screw 503 so that when the adjusting screw 503 is removed from the first gear 4, the rocker 502 is rotated upward to rotate the adjusting screw 503 and move the adjusting screw 503 upward.
In some embodiments of the invention, said first transmission unit 7, second transmission unit 10 comprise: a second gear 9 connected to the first gear 4; as shown in fig. 2, the two sides of the bottom of the transmission cylinder 8 are connected with the second gear 9 through the conveyor belts 11, and the upper part of the transmission cylinder is inserted into the partition plate 18; wherein the partition plate 18 is arranged between the first gear 4 and the second gear 9; the transmission cylinder 8 is hollow, so that a pulling line can conveniently penetrate through the transmission cylinder, and the pulling line is arranged in the transmission cylinder; the partition plate 18 is provided with a transmission cylinder hole and a gear hole.
In some embodiments of the present invention, as shown in fig. 3, a rotating shaft is disposed at a lower portion of the transmission cylinder 8, the rotating shaft is transversely inserted into the transmission cylinder 8, a rotating shaft hole is disposed on the transmission cylinder 8, and the rotating shaft rotates at the lower portion of the transmission cylinder 8 through the rotating shaft hole, and the rotating shaft includes: a first conveyor unit 801, a second conveyor unit 802 and a pull line unit 803; as shown in fig. 2 and 3, the first conveyor belt unit 801 and the second conveyor belt unit 802 are located at two sides of the bottom of the conveying cylinder 8, and the conveyor belt 11 is sleeved outside the first conveyor belt unit 801 and the second conveyor belt unit 802 to drive the rotating shaft to rotate; the pulling wire is wound on the pulling wire unit 803, the conveyor belt 11 rotates to drive the rotating shaft to rotate, and the rotating shaft rotates to drive the pulling wire to wind or loosen.
In some embodiments of the present invention, as shown in fig. 4, a third conveyor unit 901 and a fourth conveyor unit 902 are provided on both sides of the second gear 9. Two projecting wheels are provided on either side of the second gear 9 on which the wheel gear is provided, and two conveyor belts 11 are fitted over these two wheels.
In some embodiments of the present invention, the third transmission unit 15 includes a first pulley 12, a second pulley 13 and a third pulley 14, the first pulley 12 is connected to the traction unit 803 of the first transmission unit 7 through a traction wire, the second pulley 13 is connected to the traction unit 803 of the second transmission unit 10 through a traction wire, and the third pulley 14 is connected to the first pulley 12 and the second pulley 13 through traction wires respectively.
In some embodiments of the present invention, the lifting unit 16 is wound with rollers, and the rollers are connected to the third roller 14 and the cargo via pulling wires.
The invention relates to a using mode of a household lifting device, which comprises the following steps:
step S1: the pulling lines on the lifting units 16 hang the goods;
step S2: initially, the first lock nut 603 and the second lock nut 604 are arranged one above the other and one below the lock screw 602, and the driving device 1 first drives the first screw rod 2 to rotate, so as to bring the first gear 4 to a proper position (the proper position includes the first screw rod 2 or the second screw rod 3);
step S3: the first gear 4 and the second gear 9 are meshed, and the first gear 4 is clamped in the first locking nut 603 and the second locking nut 604 through rotating;
step S4: if the position of the first gear 4 is not proper, the position of the first gear 4 is finely adjusted through the adjusting device 5, after fine adjustment, the first locking nut 603 and the second locking nut 604 are adjusted to fixedly clamp the first gear 4, the adjusting screw 503 of the adjusting device 5 is rotated out, and then the first locking nut 603 and the second locking nut 604 are slightly loosened, so that the first gear 4 can rotate under the driving of the first screw rod 2 or the second screw rod 3;
step S5: the driving device 1 is started, the driving device 1 drives the screw rod to rotate, the screw rod drives the first gear 4 to rotate, the first gear 4 drives the second gear 9 to rotate, the second gear 9 drives the rotating shaft at the lower part of the transmission cylinder 8 to rotate through the conveyor belt 11 sleeved on the third conveyor belt unit 901 and the fourth conveyor belt unit 902, the rotating shaft rotates to drive the traction wire to wind or release, the first wire wheel 12 or the second wire wheel 13 is driven to rotate, meanwhile, the third wire wheel 14 is driven to rotate, and the third wire wheel 14 drives the lifting unit 16 to lift goods;
step S6: when another gear is selected, the next step S1-step S4 is re-operated, for example, if the slow rotation is initially selected to enable the fast rotation, and if the fast rotation is initially selected to enable the slow rotation, the previous steps S1-step S4 are re-operated once again. Since sometimes when the drive 1 is manual, it may feel tired, a slow gear (first screw 2) is selected; when the drive 1 is automatic, a fast gear (second screw 3) is selected.
Through the device, for the family expenses provide a novel hoisting device, can change the promotion speed through selecting different hob, changed the goods among the help people daily life and promoted the problem, brought selection and convenience for daily life.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A home lifting device, comprising:
a drive device (1);
a first screw rod (2) connected to the drive device (1);
the second screw rod (3) is positioned at the lower part of the first screw rod (2);
the first gear (4) is connected with the first screw rod (2) and the second screw rod (3);
the locking device (6) is positioned on one side of the first gear (4);
the upper part of the adjusting device (5) is inserted into the vertical cylinder on one side of the shield (17), and the lower part of the adjusting device is connected with the first gear (4) through a threaded hole;
a first transmission unit (7) mounted on one side of the first screw rod (2);
the second transmission unit (10) is arranged on one side of the second screw rod (3), and the tail end of the second transmission unit is connected to the bracket;
the third transmission unit (15) is connected with the first transmission unit (7) and the second transmission unit (10) through a traction line;
the lifting unit (16) is connected with the third transmission unit (15) through a traction line;
the protective cover (17) is installed on the outer side of one end of the driving device (1), and threads are arranged on the first spiral rod (2) and the second spiral rod (3).
2. A household lifting device according to claim 1, characterized in that said driving means (1) comprise:
a first rotating handle (1001);
a first drive nut (1002);
the first rotating handle (1001) and the first driving nut (1002) are fixedly connected through a connecting rod (1003).
3. A household lifting device according to claim 1, characterized in that said driving means (1) comprise:
a drive rotation shaft (1011);
a drive motor (1021);
the driving rotating shaft (1011) and the transmission motor (1021) are connected through a transmission belt (1031).
4. A household lifting device according to claim 1, characterized in that said locking device (6) comprises:
a lock nut (601) mounted on a bracket of the locking device (6);
a lock screw (602) mounted on a lower side of the lock nut (601);
wherein, a first locking nut (603) and a second locking nut (604) are arranged on the locking screw rod (602).
5. A household lifting device according to claim 1, characterized in that said adjusting device (5) comprises:
a second drive handle (501);
a rocker (502) mounted in the second transmission handle (501);
and the adjusting screw rod (503) is positioned at the lower side of the second transmission handle (501).
6. A household lifting device according to claim 1, wherein the first transmission unit (7), the second transmission unit (10) comprise:
a second gear (9) connected with the first gear (4);
the two sides of the bottom of the transmission cylinder (8) are connected with the second gear (9) through a conveyor belt (11), and the upper part of the transmission cylinder is inserted into the partition plate (18);
wherein the partition plate (18) is arranged between the first gear (4) and the second gear (9); the transmission cylinder (8) is hollow, and a traction line is arranged in the transmission cylinder; the partition plate (18) is provided with a transmission cylinder hole and a gear hole.
7. A household lifting device according to claim 6, characterized in that the lower part of the transfer drum (8) is provided with a rotation shaft, which comprises: a first conveyor unit (801), a second conveyor unit (802) and a pull line unit (803).
8. A household lifting device according to claim 6, characterized in that the second gear wheel (9) is provided with a third conveyor unit (901) and a fourth conveyor unit (902) on both sides.
9. A household lifting device according to claim 7, characterized in that the third transmission unit (15) comprises a first pulley (12), a second pulley (13) and a third pulley (14), the first pulley (12) is connected with the pull and lead unit (803) of the first transmission unit (7) by a pull and lead, the second pulley (13) is connected with the pull and lead unit (803) of the second transmission unit (10) by a pull and lead, the third pulley (14) is connected with the first pulley (12) and the second pulley (13) by a pull and lead respectively.
10. A household lifting device according to claim 9, characterized in that the lifting unit (16) is wound with rollers which are connected to the third reel (14) and the goods respectively by pulling wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110880146.XA CN113682990A (en) | 2021-07-29 | 2021-07-29 | Household lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110880146.XA CN113682990A (en) | 2021-07-29 | 2021-07-29 | Household lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113682990A true CN113682990A (en) | 2021-11-23 |
Family
ID=78578555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110880146.XA Pending CN113682990A (en) | 2021-07-29 | 2021-07-29 | Household lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113682990A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003252904A1 (en) * | 1999-05-13 | 2003-11-13 | Homayoon Kazerooni | Human power amplifier for lifting load including apparatus for preventing slack in lifting cable |
| KR20080047174A (en) * | 2006-11-24 | 2008-05-28 | 현대자동차주식회사 | An wire drum device for sound proof cover |
| US20090045011A1 (en) * | 2007-08-16 | 2009-02-19 | Rockit Corporation | Self-powered lift apparatus |
| CN101744501A (en) * | 2008-12-14 | 2010-06-23 | 马士伦 | Fast lifting clothes hanger |
| CN110448137A (en) * | 2019-03-08 | 2019-11-15 | 嵊州市慧洁日用品有限公司 | A kind of liftable type basket for drying clothes |
| US20200290851A1 (en) * | 2019-03-14 | 2020-09-17 | Airbus Helicopters Deutschland GmbH | Power transmission system |
-
2021
- 2021-07-29 CN CN202110880146.XA patent/CN113682990A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003252904A1 (en) * | 1999-05-13 | 2003-11-13 | Homayoon Kazerooni | Human power amplifier for lifting load including apparatus for preventing slack in lifting cable |
| KR20080047174A (en) * | 2006-11-24 | 2008-05-28 | 현대자동차주식회사 | An wire drum device for sound proof cover |
| US20090045011A1 (en) * | 2007-08-16 | 2009-02-19 | Rockit Corporation | Self-powered lift apparatus |
| CN101744501A (en) * | 2008-12-14 | 2010-06-23 | 马士伦 | Fast lifting clothes hanger |
| CN110448137A (en) * | 2019-03-08 | 2019-11-15 | 嵊州市慧洁日用品有限公司 | A kind of liftable type basket for drying clothes |
| US20200290851A1 (en) * | 2019-03-14 | 2020-09-17 | Airbus Helicopters Deutschland GmbH | Power transmission system |
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