Double-layer storage unit and storage method

Abstract

The invention relates to a double-layer storage unit and a storage method, and the storage unit comprises a storage main body which comprises two storage spaces arranged along the height direction; the two storage spaces extend to the same side of the storage main body in the horizontal direction to form openings respectively; the lifting sliding door comprises a first sliding door and a second sliding door which are arranged on one side of the opening of the storage main body in a lifting motion manner; the first sliding door and the second sliding door are arranged in a staggered mode in the horizontal direction, and the first sliding door and the second sliding door are driven to ascend and descend so that the two storage spaces can be closed or opened correspondingly. The driving assembly is mounted on the storage main body; the driving assembly has the degree of freedom of bidirectional driving; the lifting assembly comprises a first lifting roller connected with the first sliding door and a second lifting roller connected with the second sliding door. Independent control over the double-layer storage space door body can be achieved through the single driving assembly, the safety of material storage in all the storage spaces is improved, and the cost can be effectively saved.

Description

Technical Field

[0001] This invention relates to the field of storage device technology, and in particular to a dual-layer storage unit and storage method. Background Technology

[0002] In modern industry and commerce, material storage is a crucial element. With the continuous expansion of production scale and the increasing frequency of material flow, the requirements for material storage security are also rising. This security not only refers to potential leaks or contamination of materials but also potentially involves the security of material information. To achieve material storage security, setting up independent storage spaces for each storage unit has become an essential choice. Common applications include parcel lockers and parcel robots, where each locker is an independent storage unit with its own independently controlled door. Therefore, when a user opens the door of a particular locker, the contents of adjacent lockers are not known to that user. That is, the user cannot confirm whether there are items in adjacent lockers, or the quantity and information of those items. This high-security material storage device is also widely used in enterprises or service organizations, especially those with outsourced assistance or organizations with relatively complex personnel compositions, where high-security storage units are often required for important materials.

[0003] However, in existing technologies, each independent storage cell must be equipped with an independent drive mechanism to control the door of that cell. Therefore, while this type of storage device offers high security, it also incurs relatively high costs. The shortcomings of existing technologies lie in the fact that each storage cell's door requires a separate drive system, leading to higher overall costs; furthermore, for storage cells requiring high-frequency use, their doors are prone to damage. Therefore, how to achieve secure material storage while reducing the cost of storage devices has become a pressing issue. Summary of the Invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a dual-layer storage unit and storage method, which can realize independent control of the dual-layer storage space door through a single driving component, improve the security of material storage in each storage space, and effectively save costs.

[0005] To address the aforementioned technical problems, the present invention provides a dual-level storage unit, comprising:

[0006] The storage body includes two storage spaces arranged along the height direction; the two storage spaces extend horizontally to the same side of the storage body to form openings respectively;

[0007] The lifting sliding door includes a first sliding door and a second sliding door that are movably and vertically disposed on one side of the opening of the storage body; the first sliding door and the second sliding door are offset in the horizontal direction, and the first sliding door and the second sliding door can be driven to lift and close or open the two storage spaces respectively.

[0008] A drive component is installed in the storage unit; the drive component has a bidirectional drive degree of freedom.

[0009] The lifting assembly includes a first lifting roller connected to a first sliding door and a second lifting roller connected to a second sliding door. The first lifting roller is unidirectionally connected to a drive assembly. When the drive assembly drives in a first direction, it independently drives the first lifting roller to perform unidirectional cyclic lifting and lowering, so that the first sliding door lifts and lowers synchronously. The second lifting roller is unidirectionally connected to the drive assembly. When the drive assembly drives in a second direction, it independently drives the second lifting roller to perform unidirectional cyclic lifting and lowering, so that the second sliding door lifts and lowers synchronously.

[0010] In one embodiment of the present invention, the first lifting roller has a first high point position and a first low point position during the lifting process; the second lifting roller has a second high point position and a second low point position during the lifting process; when the first lifting roller moves to the first high point position or the second lifting roller moves to the second high point position, the upper storage space is closed; when the first lifting roller moves to the first low point position or the second lifting roller moves to the second low point position, the lower storage space is closed; when the first lifting roller moves to the first high point position and the second lifting roller moves to the second high point position, the lower storage space is opened; when the first lifting roller moves to the first low point position and the second lifting roller moves to the second low point position, the upper storage space is opened.

[0011] In one embodiment of the present invention, the drive assembly includes a drive shaft, a first one-way bearing, a second one-way bearing, a first gear set, a first transmission chain, a second gear set, and a second transmission chain; the drive shaft is horizontally rotatably mounted on the storage body and has a power input at one end; the first gear set includes a first driving gear and a first driven gear, the first driving gear being coaxially connected to the drive shaft via the first one-way bearing; the first driven gear is driven by a first lifting roller; the first transmission chain connects the first driving gear and the first driven gear; the second gear set includes a second driving gear and a second driven gear, the second driving gear being coaxially connected to the drive shaft via the second one-way bearing; the second driven gear is driven by a second lifting roller; the second transmission chain connects the second driving gear and the second driven gear; the transmission direction of the second one-way bearing is opposite to the transmission direction of the first one-way bearing.

[0012] In one embodiment of the present invention, the lifting assembly further includes a first lifting mechanism; the first lifting mechanism includes a first drive shaft, a first lifting drive gear, a first lifting driven gear, a first lifting chain, a third one-way bearing, and a chain link module; the first drive shaft is horizontally rotatably mounted on the storage body and coaxially fixedly connected to the first driven gear; the first lifting drive gear is coaxially fixed to the first drive shaft; the first lifting driven gear is rotatably mounted on the storage body via the third one-way bearing; the first lifting chain drives and connects the first lifting drive gear and the first lifting driven gear; the third one-way bearing has the same rotatable direction as the first one-way bearing; the first lifting roller is connected to the first lifting chain via the chain link module.

[0013] In one embodiment of the present invention, the lifting assembly further includes a second lifting mechanism; the second lifting mechanism includes a second drive shaft, a second lifting drive gear, a first lifting transmission gear, a second lifting transmission gear, a second lifting chain, a second lifting driven gear, a third lifting chain, a fourth one-way bearing, and a chain link module; the second drive shaft is horizontally rotatably mounted on the storage body and coaxially fixedly connected to the second driven gear; the second lifting drive gear is coaxially fixed to the second drive shaft; the first lifting transmission gear and the second lifting transmission gear are coaxially fixed and rotatably mounted on the storage body; the second lifting driven gear is rotatably mounted on the storage body via the fourth one-way bearing; the second lifting chain drives the second lifting drive gear and the first lifting transmission gear; the third lifting chain drives the second lifting transmission gear and the second lifting driven gear; the fourth one-way bearing and the second one-way bearing have the same rotatable direction; the second lifting roller is connected to the third lifting chain via a chain link module.

[0014] In one embodiment of the present invention, the link module includes a link component and a lifting drive component; the link component includes a link body, two link shaft portions passing through the link body, and a link fixing portion fixedly connected to the link body; the link body is connected to a first lifting chain or a third lifting chain through the two link shaft portions; the link body is fixedly connected to the lifting drive component through the link fixing portion; the lifting fixing component is used to install a first lifting roller or a second lifting roller.

[0015] In one embodiment of the present invention, the lifting assembly further includes a first lifting support and a second lifting support; the first lifting support is fixed to the side of the first sliding door near the top, and the first lifting support has a first roller groove adapted to the first lifting roller in the lateral direction; the second lifting support is fixed to the side of the second sliding door near the bottom; the second lifting support has a second roller groove adapted to the second lifting roller in the lateral direction.

[0016] In one embodiment of the present invention, the first high point position and the first low point position are both located on one side of the upward stroke of the first lifting roller; the second high point position and the second low point position are both located on one side of the upward stroke of the second lifting roller.

[0017] In one embodiment of the present invention, a first lifting guide assembly disposed between the first sliding door and the storage body, and a second lifting guide assembly disposed between the second sliding door and the storage body are further included. The first lifting guide assembly includes a first guide rail extending along the height direction and a first slider slidably connected to the first guide rail. The first guide rail is fixedly installed on the storage body. The first slider is fixedly installed on the side of the first sliding door. The second lifting guide assembly includes a second guide rail extending along the height direction and a second slider slidably connected to the second guide rail. The second guide rail is fixedly installed on the storage body. The second slider is fixedly installed on the side of the second sliding door.

[0018] The present invention also provides a storage method for a dual-level storage unit, comprising:

[0019] The drive component drives in the first direction, causing the first lifting roller of the lifting component to unidirectionally and cyclically lift between the first high point position and the first low point position; the drive component drives in the second direction, causing the second lifting roller of the lifting component to unidirectionally and cyclically lift between the second high point position and the second low point position.

[0020] When the first lifting roller moves to the first highest position or the second lifting roller moves to the second highest position, the lifting sliding door closes the upper storage space;

[0021] When the first lifting roller moves to the first low point position or the second lifting roller moves to the second low point position, the lifting sliding door closes the lower storage space;

[0022] When the first lifting roller moves to the first high point and the second lifting roller moves to the second high point, the lower storage space is opened;

[0023] When the first lifting roller moves to the first low point position and the second lifting roller moves to the second low point position, the upper storage space is opened;

[0024] When the first lifting roller moves to the first high point and the second lifting roller moves to the second low point, or when the first lifting roller moves to the first low point and the second lifting roller moves to the second high point, the upper and lower storage spaces are closed.

[0025] The technical solution of the present invention has the following advantages over the prior art:

[0026] This invention discloses a dual-layer storage unit comprising a storage body, a lifting sliding door, a drive assembly, and a lifting assembly. The storage body has two storage spaces arranged vertically. The lifting sliding door includes a first sliding door and a second sliding door, which are vertically and vertically mounted on one side of the storage body. When the drive assembly moves in a first direction, it independently drives the first sliding door to move up and down via the lifting assembly, thereby opening and closing one storage space of the storage body. At this time, the second sliding door remains unaffected, keeping it closed to the other storage space. When the drive assembly moves in a second direction, it independently drives the second sliding door to move up and down via the lifting assembly, thereby opening and closing one storage space of the storage body. At this time, the first sliding door remains unaffected, keeping it closed to the other storage space. Compared with existing technologies, this invention enables independent control of the doors of the dual-layer storage spaces through a single drive assembly, improving the safety of material storage in each storage space and effectively saving costs. Furthermore, the first and second sliding doors in this application can alternately close the two storage spaces, avoiding the problem of frequent opening and closing of one door in existing technologies, which can easily lead to damage. When one door is opened, the other door is doubly protected and closed, resulting in higher overall security. Attached Figure Description

[0027] To make the content of this invention easier to understand, the invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0028] Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of the present invention.

[0029] Figure 2 This is a structural schematic diagram of the lifting assembly and the guide assembly according to a preferred embodiment of the present invention.

[0030] Figure 3 yes Figure 2 A top-down view.

[0031] Figure 4 yes Figure 3 A schematic diagram of the cross-sectional structure at point AA.

[0032] Figure 5 A schematic diagram of the drive component, the first lifting mechanism, and the first lifting guide component according to a preferred embodiment of the present invention.

[0033] Figure 6 A schematic diagram of the structure of the first link module and the second link module in a preferred embodiment of the present invention.

[0034] Figure 7 A schematic diagram of the drive assembly, the second lifting mechanism, and the second lifting guide assembly according to a preferred embodiment of the present invention.

[0035] Figure 8 A schematic diagram of the first working state of the storage unit according to a preferred embodiment of the present invention.

[0036] Figure 9 A schematic diagram of the second working state of the storage unit according to a preferred embodiment of the present invention.

[0037] Figure 10 A schematic diagram of the third operating state of the storage unit in a preferred embodiment of the present invention.

[0038] Explanation of reference numerals in the accompanying drawings: 1. Storage body; 2. Lifting sliding door; 21. First sliding door; 22. Second sliding door; 3. Drive assembly; 30. Drive shaft; 301. Drive motor; 302. Coupling; 303. First bearing with mounting bracket; 31. First one-way bearing; 32. Second one-way bearing; 33. First transmission chain; 34. Second transmission chain; 35. First drive gear; 36. First driven gear; 37. Second drive gear; 38. Second driven gear; 4. Lifting assembly; 40. First lifting roller; 41. Second lifting roller; 42. First lifting mechanism; 43. First transmission shaft; 44. First lifting drive gear; 45. First lifting driven gear; 46. First lifting chain; 47. Third one-way bearing; 48. Second bearing with mounting bracket; 49. Third bearing with mounting bracket; 50. 51. Second lifting mechanism; 52. Second drive shaft; 53. Second lifting drive gear; 54. First lifting transmission gear; 55. Second lifting transmission gear; 56. Second lifting driven gear; 57. Third lifting chain; 58. Fourth one-way bearing; 60. First chain link; 61. First lifting drive component; 601. First chain link body; 602. First chain link shaft; 603. First chain link fixing part; 62. Second chain link; 63. Second lifting drive component; 621. Second chain link body; 622. Second chain link shaft; 623. Second chain link fixing part; 64. First lifting support component; 640. First roller groove; 65. Second lifting support component; 650. Second roller groove; 70. First guide rail; 71. First slider; 72. Second guide rail; 73. Second slider. Detailed Implementation

[0039] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments described are not intended to limit the present invention.

[0040] Example 1

[0041] Reference Figure 1 As shown, the present invention discloses a dual-layer storage unit, including a storage body 1, a sliding door 2, a drive assembly 3, and a lifting assembly 4.

[0042] The storage unit 1 includes two storage spaces arranged along the height direction. The two storage spaces extend horizontally to the same side of the storage unit 1 and form openings respectively.

[0043] The lifting sliding door 2 includes a first sliding door 21 and a second sliding door 22 that are movably and vertically disposed on one side of the opening of the storage body 1. The first sliding door 21 and the second sliding door 22 are offset in the horizontal direction, so that the first sliding door 21 and the second sliding door 22 will not interfere with each other during the lifting process. When the first sliding door 21 and the second sliding door 22 are driven to lift or lower, they can respectively close or open the two storage spaces.

[0044] Preferably, in order to reduce the gap between the lifting sliding door 2 and the opening of the storage body 1, the first sliding door 21 and the second sliding door 22 adopt a thin-walled rigid structure.

[0045] Combination Figure 2 As can be seen, the drive component 3 is installed on the storage unit 1, and the drive component 3 has a bidirectional drive degree of freedom. Specifically, the drive component 3 can output power along a first direction or along a second direction. In this embodiment, based on Figure 2 The observation angles are as follows: the first direction is clockwise, and the second direction is counterclockwise.

[0046] refer to Figure 5 as well as Figure 6 As shown, the lifting assembly 4 includes a first lifting roller 40 connected to the first sliding door 21 and a second lifting roller 41 connected to the second sliding door 22. Specifically, the first lifting roller 40 is unidirectionally connected to the drive assembly 3. When the drive assembly 3 drives in the first direction, it can independently drive the first lifting roller 40 to perform unidirectional cyclic lifting and lowering, so that the first sliding door 21 lifts and lowers synchronously. The second lifting roller 41 is unidirectionally connected to the drive assembly 3. When the drive assembly 3 drives in the second direction, it can independently drive the second lifting roller 41 to perform unidirectional cyclic lifting and lowering, so that the second sliding door 22 lifts and lowers synchronously.

[0047] In detail, according to Figure 8 , Figure 9 as well as Figure 10 As shown, the first lifting roller 40 has a first high point position and a first low point position during the lifting process. The second lifting roller 41 has a second high point position and a second low point position during the lifting process.

[0048] When the first lifting roller 40 moves to the first high point position or the second lifting roller 41 moves to the second high point position, the upper storage space is closed.

[0049] When the first lifting roller 40 moves to the first low point position or the second lifting roller 41 moves to the second low point position, the lower storage space is closed.

[0050] When the first lifting roller 40 moves to the first high point position and the second lifting roller 41 moves to the second high point position, the lower storage space is opened.

[0051] When the first lifting roller 40 moves to the first low point position and the second lifting roller 41 moves to the second low point position, the upper storage space is opened.

[0052] Combination Figure 3 and Figure 4 In a further embodiment, the drive assembly 3 includes a drive shaft 30, a first one-way bearing 31, a second one-way bearing 32, a first gear set, a first transmission chain 33, a second gear set, and a second transmission chain 34. The drive shaft 30 is rotatably mounted on the top of the storage body 1 along a horizontal direction and has a power input at one end. The first gear set includes a first driving gear 35 and a first driven gear 36. The first driving gear 35 is coaxially connected to the drive shaft 30 via the first one-way bearing 31. The first driven gear 36 is drive-connected to the first lifting roller 40. The first transmission chain 33 drive-connects the first driving gear 35 and the first driven gear 36.

[0053] The second gear set includes a second driving gear 37 and a second driven gear 38. The second driving gear 37 is coaxially connected to the drive shaft 30 via a second one-way bearing 32. The second driven gear 38 is driven by the second lifting roller 41. The second transmission chain 34 drives the second driving gear 37 and the second driven gear 38. It should be noted that the transmission direction of the second one-way bearing 32 is opposite to that of the first one-way bearing 31. Specifically, the outer ring of the first one-way bearing 31 can rotate relative to its inner ring in a first direction, while the outer ring of the second one-way bearing 32 can rotate relative to its inner ring in a second direction.

[0054] In a further embodiment, reference is made to... Figure 3 As shown, the drive assembly 3 also includes a drive motor 301, a coupling 302, and two first bearings 303. The two first bearings 303 are arranged side by side on the top of the storage body 1. Both ends of the drive shaft 30 are connected to the two first bearings 303 respectively, and can be assembled to the storage body 1 through the first bearings 303. The power input end of the drive shaft 30 extends to the first bearings 303 and is connected to the drive motor 301 through the coupling 302 to obtain power input.

[0055] In a further embodiment, combined with Figure 2 and Figure 3The lifting assembly 4 also includes a first lifting mechanism 42. Specifically, the first lifting mechanism 42 includes a first drive shaft 43, a first lifting drive gear 44, a first lifting driven gear 45, a first lifting chain 46, a third one-way bearing 47, and a chain link module. The first drive shaft 43 is horizontally rotatably mounted on the storage body 1 and coaxially fixedly connected to the first driven gear 36. The first drive shaft 43 is parallel to the drive shaft 30. The first lifting drive gear 44 is coaxially fixed to the first drive shaft 43. The first lifting driven gear 45 is rotatably mounted on the storage body 1 via the third one-way bearing 47. The first lifting driven gear 45 is located directly below the first lifting drive gear 44 and is mounted on the side of the storage body 1 near the center. The first lifting chain 46 drives and connects the first lifting drive gear 44 and the first lifting driven gear 45. The third one-way bearing 47 rotates in the same direction as the first one-way bearing 31. The first lifting roller 40 can be connected to the first lifting chain 46 through the chain link module, so that the first lifting roller 40 can move under the drive of the first lifting chain 46.

[0056] To further improve the stability of the first lifting mechanism 42 during operation, referring to... Figure 3 As shown, the first lifting mechanism 42 also includes two second bearings 48, and the ends of the first drive shaft 43 are respectively connected to the two second bearings 48. The first drive shaft 43 is mounted on the top of the storage body 1 through the two second bearings 48.

[0057] Furthermore, the lifting assembly 4 also includes a second lifting mechanism 50, combined with... Figure 7As shown, specifically, the second lifting mechanism 50 includes a second drive shaft 51, a second lifting drive gear 52, a first lifting transmission gear 53, a second lifting transmission gear 54, a second lifting chain 55, a second lifting driven gear 56, a third lifting chain 57, a fourth one-way bearing 58, and a chain link module. The second drive shaft 51 is horizontally rotatably mounted on the top of the storage body 1 and coaxially fixedly connected to the second driven gear 38. The second drive shaft 51 is parallel to the drive shaft 30. The second lifting drive gear 52 is coaxially fixed to the second drive shaft 51. The first lifting transmission gear 53 and the second lifting transmission gear 54 are coaxially fixed and rotatably mounted on the storage body 1. The second lifting driven gear 56 is rotatably mounted on the storage body 1 via the fourth one-way bearing 58. The first lifting transmission gear 53 and the second lifting transmission gear 54 are mounted on the side of the storage body 1 near the center. The second lifting driven gear 56 is mounted on the side of the storage body 1 near the bottom. Furthermore, the first lifting transmission gear 53 is located directly below the second lifting drive gear 52. The second lifting driven gear 56 is located directly below the second lifting transmission gear 54. The second lifting chain 55 drives the second lifting drive gear 52 and the first lifting transmission gear 53. The third lifting chain 57 drives the second lifting transmission gear 54 and the second lifting driven gear 55. The fourth one-way bearing 58 rotates in the same direction as the second one-way bearing 32. The second lifting roller 41 is connected to the third lifting chain 57 through a chain link module, so that the second lifting roller 41 can move under the drive of the third lifting chain 57.

[0058] To ensure the stability of the second lifting mechanism 50 during operation, the second lifting mechanism 50 also includes two third bearings 49 with mounting brackets, combined with... Figure 1 As shown in Figure 3, the ends of the second drive shaft 51 are connected to two third bearing 49 respectively, and the second drive shaft 51 is mounted on the top of the storage body 1 through the two third bearing 49.

[0059] Because the drive assembly 3 has bidirectional operating freedom, it provides power input to both the first lifting mechanism 42 and the second lifting mechanism 50. When the drive assembly 3 moves in the first direction (clockwise), it drives the first sliding door 21 to rise and fall via the first lifting mechanism 42, while the second sliding door 22 remains unaffected. When the drive assembly 3 moves in the second direction (counterclockwise), it drives the second sliding door 22 to rise and fall via the second lifting mechanism 50, while the first sliding door 21 remains unaffected.

[0060] In a further embodiment, the link module connected to the first lifting chain 46 is defined as the first link module, and the link module connected to the third lifting chain 57 is defined as the second link module. The first link module and the second link module have the same structure.

[0061] In detail, the first link module includes a first link component 60 and a first lifting drive component 61. According to Figure 5 as well as Figure 6 As shown, the first link component 60 includes a first link body 601, two first link shaft portions 602 passing through the first link body 601, and a first link fixing portion 603 fixedly connected to the first link body 601. The first link body 601 is connected to the first lifting chain 46 through the two first link shaft portions 602. The first link body 601 is fixedly connected to the first lifting drive component 61 through the first link fixing portion 603. The first lifting drive component 61 is used to mount the first lifting roller 40. The first lifting roller 40 may be a cam with a shaft, and the cam follower is detachably mounted to the first lifting drive component 61.

[0062] Accordingly, the second link module includes a second link component 62 and a second lifting drive component 63. Combined with... Figure 6 as well as Figure 7 As shown, the second link component 62 includes a second link body 621, two second link shaft portions 622 passing through the second link body 621, and a second link fixing portion 623 fixedly connected to the second link body 621. The second link body 621 is connected to the third lifting chain 57 through the two second link shaft portions 622. The second link body 621 is fixedly connected to the second lifting drive component 63 through the second link fixing portion 623. The second lifting drive component 63 is used to mount the second lifting roller 41. The second lifting roller 41 can also be a shafted cam, which is detachably mounted to the second lifting drive component 63.

[0063] Furthermore, combining Figure 5 , Figure 6 as well as Figure 7As shown, to facilitate the cooperation between the first sliding door 21 and the first lifting roller 40 to achieve the lifting action of the first sliding door 21; and to facilitate the cooperation between the second sliding door 22 and the second lifting roller 42 to achieve the lifting action of the second sliding door 22, the lifting assembly 4 also includes a first lifting support member 64 and a second lifting support member 65. The first lifting support member 64 and the second lifting support member 65 have the same structure. Specifically, the first lifting support member 64 is fixed to the side of the first sliding door 21 near the top. The first lifting support member 64 has a first roller groove 640 laterally adapted to the first lifting roller 40, allowing the first lifting roller 40 to roll in contact with the first roller groove 640. The second lifting support member 65 is fixed to the side of the second sliding door 22 near the bottom. Additionally, the second lifting support member 65 has a second roller groove 650 laterally adapted to the second lifting roller 41, allowing the second lifting roller 41 to roll in contact with the second roller groove 650. Therefore, during the cyclic lifting and lowering process of the first lifting roller 40 and the second lifting roller 41, the first lifting support 64 and the second lifting support 64 can drive the first sliding door 21 and the second sliding door 22 to rise and fall respectively. Furthermore, the first roller groove 640 and the second roller groove 650 are respectively used to adapt to the horizontal travel generated by the first lifting roller 40 and the second lifting roller 41 during the cyclic lifting and lowering process, without affecting the vertical lifting and lowering of the first sliding door 21 and the second sliding door 22, thus ensuring smooth lifting and lowering of the first sliding door 21 and the second sliding door 22 and preventing jamming. To prevent the lifting sliding door 2 from tilting during lifting and lowering operation and to guide the operation of the lifting sliding door 2, ensuring stable operation of the lifting sliding door 2, the dual-layer storage unit of this embodiment also includes a first lifting guide component disposed between the first sliding door 21 and the storage body 1, and a second lifting guide component disposed between the second sliding door and the storage body.

[0064] refer to Figure 5 as well as Figure 7 As shown, the first lifting guide assembly includes a first guide rail 70 extending along the height direction and a first slider 71 slidably connected to the first guide rail 70. The first guide rail 70 is fixedly installed on the storage body 1. The first slider 71 is fixedly installed on the side of the first sliding door 21. The second lifting guide assembly includes a second guide rail 72 extending along the height direction and a second slider 73 slidably connected to the second guide rail 72. The second guide rail 72 is fixedly installed on the storage body 1. The second slider 73 is fixedly installed on the side of the second sliding door 22.

[0065] To ensure smoother lifting and lowering of the first sliding door 21 and more uniform guiding force, two sets of first lifting guide components are provided, symmetrically arranged on both sides of the storage body 1. Each side of the first sliding door 21 is connected to one of these two sets of first lifting guide components. Similarly, to ensure more stable lifting and lowering of the second sliding door 22 and to guarantee uniform guiding force, two sets of second lifting guide components are also provided, symmetrically arranged on both sides of the storage body 1.

[0066] In a further embodiment, the aforementioned first high point and first low point are both located on one side of the upward stroke of the first lifting roller 40. The second high point and second low point are both located on one side of the upward stroke of the second lifting roller 41.

[0067] Specifically, in this embodiment, combined with Figure 8 , Figure 9 as well as Figure 10 As shown, for the first lifting roller 40, the angle α1 between the radial direction and the vertical direction of the line connecting the first high point position and the rotation axis of the first lifting drive gear 44 is set to 5-15°. The angle β1 between the radial direction and the vertical direction of the line connecting the first low point position and the rotation axis of the first lifting driven gear 45 is set to 5-15°. For the second lifting roller 41, the angle γ1 between the radial direction and the vertical direction of the line connecting the second high point position and the rotation axis of the second lifting transmission gear 54 is set to 5-15°. The angle δ1 between the radial direction and the vertical direction of the line connecting the second low point position and the rotation axis of the second lifting driven gear 56 is set to 5-15°. The advantage of this setting is that, based on the unidirectional rotation of the third one-way bearing 47 and the fourth one-way bearing 58, the first lifting roller 40 can be stably stopped at the first high point position or the first low point position, and the second lifting roller 41 can be stopped at the second high point position and the second low point position, without the need for other limiting devices. Even without power input, it will not reverse or fall, and it will not affect drive component 3.

[0068] Example 2

[0069] This invention also discloses a storage method for a dual-level storage unit, which adopts the technical solution of Embodiment 1. The specific structure of this dual-level storage unit will not be described in detail here. The storage method includes:

[0070] The control drive component 3 is driven in the first direction (clockwise) so that the first lifting roller 40 of the lifting component 4 performs unidirectional cyclic lifting between the first high point position and the first low point position.

[0071] The control drive component 3 is driven in the second direction (counterclockwise direction) so that the second lifting roller 41 of the lifting component 4 moves up and down unidirectionally between the second high point position and the second low point position.

[0072] When the first lifting roller 40 moves to the first highest position, or the second lifting roller 41 moves to the second highest position, the lifting sliding door 2 can close the upper storage space of the storage body 1. (Refer to...) Figure 8 and Figure 10 As shown;

[0073] When the first lifting roller 40 moves to the first low position, or the second lifting roller 41 moves to the second low position, the lifting sliding door 2 can close the storage space below the storage body 1. (Refer to...) Figure 8 , Figure 9 and Figure 10 As shown;

[0074] When the first lifting roller 40 moves to the first high point position and the second lifting roller 41 moves to the second high point position, the storage space of the lower layer of the storage body 1 is opened;

[0075] When the first lifting roller 40 moves to the first low position and the second lifting roller 41 moves to the second low position, the upper storage space of the storage unit 1 is opened. (Refer to...) Figure 9 As shown;

[0076] When the first lifting roller 40 moves to the first high point position and the second lifting roller 41 moves to the second low point position; or, when the first lifting roller 40 moves to the first low point position and the second lifting roller 41 moves to the second high point position, the upper and lower storage spaces of the closed storage body 1 are then sealed. (Refer to...) Figure 8 and Figure 10 As shown.

[0077] The dual-layer storage unit provided in the embodiments of the present invention includes a storage body 1, a sliding door 2, a drive assembly 3, and a lifting assembly 4. The storage body 1 has two storage spaces arranged vertically along the height direction. The sliding door 2 includes a first sliding door 21 and a second sliding door 22 that are vertically and vertically disposed on one side of the storage body 1. The lifting assembly 4 includes a first lifting mechanism 42 and a second lifting mechanism 50. When the first sliding door 21 and the second sliding door 22 are driven to rise or fall, they can close or open the two storage spaces. When the drive assembly 3 moves in the first direction, it independently drives the first sliding door 21 to rise or fall through the first lifting mechanism 42 to open and close one storage space of the storage body 1. At this time, the second sliding door 22 is unaffected and remains closed to the other storage space. When the drive assembly 3 moves in the second direction, it independently drives the second sliding door 22 to rise or fall through the second lifting mechanism 50 to open and close one storage space of the storage body 1. At this time, the first sliding door 21 is unaffected and remains closed to the other storage space. Compared with existing technologies, the present invention can achieve independent control of the double-layer storage space door through a single drive component, improve the security of material storage in each storage space, and effectively save costs.

[0078] A single-motor drive assembly is used to achieve independent control of the upper and lower doors of the dual-layer storage unit, and the operation of the upper and lower doors does not affect each other. Furthermore, the dual-layer storage unit of this invention can limit the vertical movement of the doors without the need for limiting components or buffer mechanisms. The upper and lower doors can alternately close the two storage spaces, avoiding the problem of easy damage caused by frequent opening and closing of one door in existing technologies; when one door is opened, the other door is doubly protected and closed, thus ensuring high overall security.

[0079] In the description of this invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0080] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0081] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A double-layer storage unit, characterized in that: include: The storage body includes two storage spaces arranged along the height direction; The two storage spaces extend horizontally to the same side of the storage body to form openings respectively; The lifting sliding door comprises a first sliding door and a second sliding door which are arranged at one side of the storage main body opening and can be lifted and moved; the first sliding door and the second sliding door are arranged staggered in the horizontal direction, and the first sliding door and the second sliding door can be driven to lift and lower to close or open the two storage spaces respectively; A driving assembly is installed on the storage body; the driving assembly has a bidirectional driving degree of freedom; The lifting assembly comprises a first lifting roller connected to the first sliding door, and a second lifting roller connected to the second sliding door; the first lifting roller is connected to the driving assembly in a one-way transmission manner, and when the driving assembly is driven in a first direction, the first lifting roller is independently driven to perform a one-way cycle lifting and lowering, so that the first sliding door is lifted and lowered synchronously; the second lifting roller is connected to the driving assembly in a one-way transmission manner, and when the driving assembly is driven in a second direction, the second lifting roller is independently driven to perform a one-way cycle lifting and lowering, so that the second sliding door is lifted and lowered synchronously.

2. The double-layer storage unit according to claim 1, characterized in that: The first lifting roller has a first high point position and a first low point position during the lifting process; the second lifting roller has a second high point position and a second low point position during the lifting process; when the first lifting roller moves to the first high point position or the second lifting roller moves to the second high point position, the storage space of the upper layer is closed; when the first lifting roller moves to the first low point position or the second lifting roller moves to the second low point position, the storage space of the lower layer is closed; when the first lifting roller moves to the first high point position and the second lifting roller moves to the second high point position, the storage space of the lower layer is opened; when the first lifting roller moves to the first low point position and the second lifting roller moves to the second low point position, the storage space of the upper layer is opened.

3. The double-layer storage unit according to claim 2, characterized in that: The driving assembly includes a driving shaft, a first one-way bearing, a second one-way bearing, a first gear set, a first transmission chain, a second gear set and a second transmission chain; the driving shaft is horizontally rotatably mounted on the storage body and has a power input at one end; the first gear set includes a first driving gear and a first driven gear, the first driving gear is coaxially connected to the driving shaft through the first one-way bearing; the first driven gear is transmission-connected to the first lifting roller; The first transmission chain connects the first driving gear and the first driven gear; the second gear set includes a second driving gear and a second driven gear, the second driving gear is coaxially connected to the driving shaft through the second one-way bearing; the second driven gear is transmission-connected to the second lifting roller; the second transmission chain connects the second driving gear and the second driven gear; the transmission direction of the second one-way bearing is opposite to that of the first one-way bearing.

4. The double-layer storage unit according to claim 3, characterized in that: The lifting assembly also includes a first lifting mechanism; the first lifting mechanism includes a first transmission shaft, a first lifting driving gear, a first lifting driven gear, a first lifting chain, a third one-way bearing, and a chain link module; the first transmission shaft is horizontally rotatably installed on the storage body and is coaxially fixedly connected with the first driven gear; the first lifting driving gear is coaxially fixed to the first transmission shaft; the first lifting driven gear is unidirectionally rotatably installed on the storage body through the third one-way bearing; the first lifting chain is transmission-connected to the first lifting driving gear and the first lifting driven gear; the third one-way bearing has the same rotatable direction as the first one-way bearing; the first lifting roller is connected to the first lifting chain through the chain link module.

5. The double-layer storage unit according to claim 3, characterized in that: The lifting assembly also includes a second lifting mechanism; the second lifting mechanism includes a second transmission shaft, a second lifting active gear, a first lifting transmission gear, a second lifting transmission gear, a second lifting chain, a second lifting driven gear, a third lifting chain, a fourth one-way bearing and a chain link module; the second transmission shaft is horizontally rotatably installed on the storage body and is coaxially fixedly connected with the second driven gear; the second lifting active gear is coaxially fixed to the second transmission shaft; the first lifting transmission gear is coaxially fixed with the second lifting transmission gear and rotatably installed on the storage body; the second lifting driven gear is unidirectionally rotatably installed on the storage body through a fourth one-way bearing; the second lifting chain transmission connects the second lifting active gear and the first lifting transmission gear; the third lifting chain transmission connects the second lifting transmission gear and the second lifting driven gear; the fourth one-way bearing has the same rotatable direction as the second one-way bearing; the second lifting roller is connected to the third lifting chain through a chain link module.

6. The double-layer storage unit according to claim 4 or 5, characterized in that: The link module includes a link member and a lifting drive member; the link member includes a link body, two link shafts penetrating the link body, and a link fixing portion fixedly connected to the link body; the link body is connected to the first lifting chain or the third lifting chain through the two link shafts; the link body is fixedly connected to the lifting drive member through the link fixing portion; the lifting fixing portion is used to install the first lifting roller or the second lifting roller.

7. The double-layer storage unit according to claim 4 or 5, characterized in that: The lifting assembly also includes a first lifting support member and a second lifting support member; the first lifting support member is fixed to a position near the top of the side of the first sliding door, and the first lifting support member is horizontally provided with a first rolling groove adapted to the first lifting roller; the second lifting support is fixed to a position near the bottom of the side of the second sliding door; the second lifting support member is horizontally provided with a second rolling groove adapted to the second lifting roller.

8. The double-layer storage unit according to claim 2, characterized in that: The first high point position and the first low point position are both located on one side of the rising stroke of the first lifting roller; the second high point position and the second low point position are both located on one side of the rising stroke of the second lifting roller.

9. The double-layer storage unit according to claim 1 is characterized in that it also includes a first lifting guide assembly arranged between the first sliding door and the storage body and a second lifting guide assembly arranged between the second sliding door and the storage body; the first lifting guide assembly includes a first guide rail extending along the height direction and a first slider slidably connected to the first guide rail; the first guide rail is fixedly installed on the storage body; the first slider is fixedly installed on the side of the first sliding door; the second lifting guide assembly includes a second guide rail extending along the height direction and a second slider slidably connected to the second guide rail, the second guide rail is fixedly installed on the storage body; the second slider is fixedly installed on the side of the second sliding door.

10. A storage method of a double-layer storage unit, characterized in that: include: The driving assembly drives in a first direction, so that the first lifting roller of the lifting assembly performs a one-way cyclic lifting between a first high point position and a first low point position; The driving assembly drives in the second direction, so that the second lifting roller of the lifting assembly can be lifted and lowered in a one-way cycle between the second highest point position and the second lowest point position; When the first lifting roller moves to the first high point position or the second lifting roller moves to the second high point position, the lifting sliding door closes the storage space on the upper layer; When the first lifting roller moves to the first low point position or the second lifting roller moves to the second low point position, the lifting sliding door closes the lower storage space; When the first lifting roller moves to the first high point position, and the second lifting roller moves to the second high point position, the storage space of the lower layer is opened; When the first lifting roller moves to the first low point position, and the second lifting roller moves to the second low point position, the storage space on the upper layer is opened; When the first lifting roller moves to the first high point position and the second lifting roller moves to the second low point position, or when the first lifting roller moves to the first low point position and the second lifting roller moves to the second high point position, the upper and lower storage spaces are closed.

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