CN-116336742-B - Lifting assembly, storage device and mobile refrigerator

Abstract

The invention discloses a lifting assembly, a storage device and a mobile refrigerator, wherein the lifting assembly comprises a supporting mechanism and a driving mechanism, the supporting mechanism comprises a stand column and a sliding sleeve, the sliding sleeve is sleeved on the stand column, the outer wall of the upper end of the stand column is connected with a first steering wheel, the inner wall of the sliding sleeve is connected with a first movable pulley and a second movable pulley, the driving mechanism comprises a motor, a reel, a first inhaul cable and a second inhaul cable, the motor is used for driving the reel to rotate, the reel is provided with a first winding groove and a second winding groove, the reel is arranged at the lower end of the stand column, one end of the first inhaul cable is wound on the first winding groove and is fixed on the reel, the other end of the first inhaul cable sequentially bypasses the first steering wheel and the first movable pulley and is fixed on the stand column, one end of the second inhaul cable is wound on the second winding groove and is fixed on the second movable pulley, the first inhaul cable and the second inhaul cable are driven by the reel to drive the slide sleeve to ascend or descend, and the lifting assembly is simple in structure and high in reliability.

Inventors

• Cui Shouliang
• SUN YUAN

Assignees

• 合肥华凌股份有限公司
• 合肥美的电冰箱有限公司
• 美的集团股份有限公司

Dates

Publication Date

20260508

Application Date

20230306

Claims (10)

1. 1. Storing device, its characterized in that includes tray subassembly and lifting unit, lifting unit includes: The support mechanism comprises a stand column and a sliding sleeve, the sliding sleeve is sleeved on the stand column and can slide up and down, the outer wall of the upper end of the stand column is connected with a first steering wheel, and the inner wall of the sliding sleeve is connected with a first movable pulley and a second movable pulley; The driving mechanism comprises a motor, a reel, a first inhaul cable and a second inhaul cable, wherein the motor is used for driving the reel to rotate, a first coiling groove and a second coiling groove are formed in the reel at intervals along the axial direction, the reel is arranged at the lower end of the upright post, one end of the first inhaul cable is wound on the first coiling groove and fixed on the reel, the other end of the first inhaul cable is wound on the first steering wheel and the first movable pulley in sequence and fixed on the upright post, one end of the second inhaul cable is wound on the second coiling groove and fixed on the reel, and the other end of the second inhaul cable is wound on the second movable pulley and fixed on the upright post; the sliding sleeve is provided with a lifting sliding block, the first movable pulley and the second movable pulley are arranged at the upper end and the lower end of the lifting sliding block in parallel, the upper end of the lifting sliding block is provided with a sliding groove which is arranged in the vertical direction, the first movable pulley is arranged in the sliding groove and can slide up and down, the second movable pulley is fixed at the lower end of the lifting sliding block, a tensioning spring is arranged between the first movable pulley and the second movable pulley, and the tensioning spring provides a downward pulling force for the first movable pulley to tighten the first movable pulley; The tray assembly comprises a first tray and a second tray, wherein the first tray is fixed at the lower end of the sliding sleeve, and the second tray is fixed at the middle part of the sliding sleeve.
2. 2. The storage device according to claim 1, wherein the second winding groove is located at one end of the reel away from the upright, the upright is connected with two second steering wheels, the two second steering wheels are arranged at intervals and located above the reel, the axial direction of the second steering wheels is perpendicular to the axial direction of the reel, the second winding groove is located at one side of the second steering wheels away from the upright, the second movable pulley is located at one side of the second steering wheels close to the upright, and the second guy cable sequentially bypasses the two second steering wheels and the second movable pulley.
3. 3. The storage device according to claim 2, wherein the upright is connected with a fixing plate, the fixing plate comprises a fixing portion and a mounting portion, the mounting portion is perpendicular to the fixing portion, the fixing portion is fixedly connected to the upright, and the two second steering wheels are mounted on the mounting portion.
4. 4. The storage device of claim 1, wherein the lifting assembly further comprises a positioning mechanism, the positioning mechanism comprises a controller, a trigger piece and a plurality of sensing pieces, the motor and the sensing pieces are electrically connected with the controller, the sensing pieces are arranged on the upright at intervals in the vertical direction, the trigger piece is arranged on the sliding sleeve, and the trigger piece can trigger the sensing pieces so that the sensing pieces can send position information to the controller.
5. 5. The storage device according to claim 4, wherein the upright post is further provided with two limiting blocks, the two limiting blocks are respectively arranged on the outer walls of the two ends of the upright post, the inner wall of the sliding sleeve is provided with a stop block in a protruding mode, and the stop block is located between the two limiting blocks to limit the moving range of the sliding sleeve.
6. 6. The storage device according to claim 1, wherein the reel is provided with a rotating shaft, the first inhaul cable and the second inhaul cable are both fixed on the rotating shaft, a third mounting hole is formed in the lower end of the upright post, a shaft sleeve is arranged in the third mounting hole, and the rotating shaft penetrates through the shaft sleeve.
7. 7. The storage device of claim 6, wherein a sidewall of the reel is provided with a first threading hole communicating with the first winding slot, the first cable passing through the first threading hole to the first winding slot.
8. 8. The storage device according to claim 7, wherein a side wall of the reel is provided with a second threading hole communicating with the second winding groove, and the second cable passes through the second threading hole to reach the second winding groove.
9. 9. The storage device according to claim 1, wherein a plurality of rollers are arranged on the inner wall of the sliding sleeve, the rollers are distributed at intervals in the vertical direction, and the rollers are abutted against the outer wall of the upright post.
10. 10. A mobile refrigerator, characterized by comprising a storage device according to any one of claims 1 to 9.

Description

Lifting assembly, storage device and mobile refrigerator Technical Field The invention relates to the technical field of mobile refrigerators, in particular to a lifting assembly, a storage device and a mobile refrigerator. Background At present, the mobile refrigerator with the mobile function appears in the market, the mobile refrigerator mainly comprises a liftable storage device, a refrigerating device and a mobile device, the liftable storage device comprises a tray assembly and a lifting assembly, the tray assembly is used for placing objects, the lifting assembly can drive the objects to lift, the refrigerating device is used for refrigerating the objects stored on the tray assembly, the mobile device is used for driving the intelligent mobile refrigerator body to move, so that users can conveniently take the objects, but in the related art, the lifting assembly is complex in structure and poor in reliability, the lifting process of the driving tray assembly is easy to block, the mobile refrigerator cannot be used normally, and inconvenience is brought to the users. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the lifting assembly provided by the invention has the advantages that the first movable pulley is driven to ascend by the first inhaul cable, the sliding sleeve is driven to descend by the second inhaul cable, and the lifting assembly is simple in structure and high in reliability. The invention also provides a storage device with the lifting assembly. The invention also provides a mobile refrigerator with the storage device. The lifting assembly comprises a supporting mechanism and a driving mechanism, wherein the supporting mechanism comprises a stand column and a sliding sleeve, the sliding sleeve is sleeved on the stand column and can slide up and down, a first steering wheel is connected to the outer wall of the upper end of the stand column, a first movable pulley and a second movable pulley are connected to the inner wall of the sliding sleeve, the driving mechanism comprises a motor, a reel, a first guy rope and a second guy rope, the motor is used for driving the reel to rotate, a first winding groove and a second winding groove are formed in the reel at intervals along the axial direction, the reel is arranged at the lower end of the stand column, one end of the first guy rope is wound on the first winding groove and is fixed to the reel, the other end of the first guy rope sequentially winds on the first steering wheel and the first movable pulley and is fixed to the stand column, one end of the second guy rope winds on the second winding groove and is fixed to the reel, and the other end of the second guy rope winds on the second movable pulley and is fixed to the stand column. The lifting assembly provided by the embodiment of the invention has the advantages that the winding wheel is driven to rotate by the motor, the first movable pulley is driven to ascend by the first guy cable, the sliding sleeve can be driven to ascend by the first guy cable, the second pulley is driven to descend by the second guy cable, the sliding sleeve is driven to descend by the second guy cable, the lifting assembly is simple in structure, the sliding sleeve is driven to ascend by different guy cables, the lifting assembly is beneficial to improving the reliability, when the first guy cable drives the sliding sleeve to ascend, the first guy cable provides upward pulling force from two sides of the first movable pulley, the pulling force borne by the first guy cable is beneficial to reducing, the stress of the first movable pulley is balanced, the lifting process of the sliding sleeve is stable, the reliability is high, when the second guy cable drives the sliding sleeve to descend, the second guy cable provides downward pulling force from two sides of the second movable pulley, the pulling force borne by the second guy cable is beneficial to be reduced, the stress of the second movable pulley is balanced, and the sliding sleeve moves stably in the descending process. According to the lifting assembly provided by the embodiment of the invention, the second winding groove is arranged at one end of the winding wheel far away from the upright post, the upright post is connected with two second steering wheels, the two second steering wheels are arranged at intervals and are arranged above the winding wheel, the axial direction of the second steering wheels is perpendicular to the axial direction of the winding wheel, the second winding groove is arranged at one side of the second steering wheels far away from the upright post, the second movable pulley is arranged at one side of the second steering wheels close to the upright post, and the second guy cable sequentially bypasses the two second steering wheels and the second movable pulley. According to the lifting assembly provided by the embodiment of the invention