Compact shelf with upper layer and lower layer capable of being manually shaken and controlled

Abstract

The utility model provides a compact shelf with an upper layer and a lower layer capable of being manually shaken and controlled, which is characterized by comprising a shelf body lower layer and a shelf body upper layer, rollers are mounted at the bottom of the shelf body lower layer, a lower hand-cranking control mechanism is mounted on the shelf body lower layer, an upper hand-cranking control mechanism is mounted on the shelf body upper layer, and a lower hand-cranking control mechanism is mounted on the upper hand-cranking control mechanism. The idler wheel is connected with the lower hand-cranking control mechanism and the upper hand-cranking control mechanism through the transmission mechanism, and the transmission mechanism comprises a lower driving wheel arranged on the lower hand-cranking control mechanism, an upper driving wheel arranged on the upper hand-cranking control mechanism, a driven wheel, a tensioning wheel and an annular transmission belt. The annular transmission belt sequentially bypasses the lower driving wheel, the tensioning wheel, the upper driving wheel and the driven wheel, and the driven wheel is in transmission connection with the rolling wheel. The compact shelving can be controlled to move through the upper hand-cranking control mechanism or the lower hand-cranking control mechanism, and the compact shelving can be controlled to move when a worker is located in an upper-layer area or a lower-layer area.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of storage equipment, especially to a compact shelf which can be manually shaken and controlled on upper and lower layers. BACKGROUND

[0002] The compact shelf is a commonly used device for saving various files, book materials, financial vouchers, goods and the like in archives libraries, banks and other enterprises and institutions, and has a large storage capacity and is more systematic compared with traditional bookshelves, shelves and file shelves. However, the height of the single-layer compact shelf is limited to facilitate operation and searching, so that the designed height of the library cannot be fully utilized, resulting in a great waste of space above the top of the compact shelf in the library.

[0003] To solve this problem, a laminated compact shelf (CN118787185A) is developed, which includes fixed cabinets at both ends, a plurality of movable cabinets between the fixed cabinets, a passageway and a staircase. The staircase is connected to the passageway and is installed side by side on the outside of a certain fixed cabinet. The fixed cabinet is provided with a first flat cabinet connected below the passageway. The first flat cabinet is provided with a fixed support structure on the top. The movable cabinet is provided with a second flat cabinet connected below the passageway. The second flat cabinet is provided with a sliding support structure on the top. The hand-shaking control mechanism of the compact shelf is generally designed on the lower layer, which is not convenient for moving the compact shelf by hand shaking when the staff is on the upper layer. SUMMARY

[0004] To solve the above technical problems, the utility model provides a compact shelf which can be manually shaken and controlled on upper and lower layers, which has the characteristics that the compact shelf can be moved by hand shaking on the upper and lower layers.

[0005] To solve the above technical problems, the utility model provides a compact shelf which can be manually shaken and controlled on upper and lower layers, which has the characteristics that the compact shelf can be moved by hand shaking on the upper and lower layers.

[0006] Preferably, the lower layer of the frame body is provided with a tensioning plate and a tensioning screw fixing seat, the tensioning screw fixing seat is fixedly connected with the lower layer of the frame body, the tensioning plate is slidably connected with the lower layer of the frame body, and a tensioning screw is arranged between the tensioning plate and the tensioning screw fixing seat and is threadedly connected with the tensioning plate through the tensioning screw fixing seat.

[0007] Preferably, the upper hand control mechanism comprises an upper connecting piece and an upper hand handle, and the lower hand control mechanism comprises a lower connecting piece and a lower hand handle.

[0008] Preferably, the driving wheel, the tensioning wheel, the upper driving wheel and the driven wheel are gear wheels, and the annular transmission belt is an annular chain.

[0009] Preferably, the driving wheel, the tensioning wheel, the upper driving wheel and the driven wheel are pulleys, and the annular transmission belt is an annular belt.

[0010] Preferably, two positioning wheels are arranged on the upper layer of the frame body and are located on the left and right sides of the upper driving wheel.

[0011] Preferably, a guide rail is arranged on the support base surface, and the roller is arranged on the guide rail.

[0012] Preferably, the number of teeth of the lower driving wheel is the same as that of the upper driving wheel, and the number of teeth of the driven wheel is greater than that of the lower driving wheel.

[0013] The utility model discloses the beneficial effects are:

[0014] When the staff is on the upper layer of the compact frame, the compact frame can be moved through the upper hand control mechanism, and when the staff is on the lower layer of the compact frame, the compact frame can be moved through the lower hand control mechanism. The staff on the upper layer or the lower layer can control the movement of the compact frame.

[0015] The tensioning plate, the tensioning screw fixing seat and the tensioning screw are arranged on the lower layer of the frame body, the tensioning degree of the transmission can be adjusted at will through adjusting the tensioning screw, and the upper hand control mechanism and the lower hand control mechanism in the compact frame are convenient for installation and maintenance.

[0016] The roller of the compact frame is arranged on the guide rail, so that the compact frame can move directionally and more stably. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment description, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings. Among them:

[0018] Fig. 1 This is a schematic diagram of the structure of Example 1;

[0019] Fig. 2 This is a schematic diagram of the internal structure of Example 1;

[0020] Fig. 3 This is a schematic diagram of the mounting plate installation in Example 1. Detailed Implementation

[0021] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model; however, this utility model may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0022] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0023] Example 1

[0024] like Figs. 1-3 As shown, a mobile shelving unit with manually crankable upper and lower shelves includes a lower shelf 1 and an upper shelf 2. Rollers 11 are installed at the bottom of the lower shelf 1, and a lower manual crank control mechanism is installed on the lower shelf 1. An upper manual crank control mechanism is installed on the upper shelf 2. The rollers 11 are connected to both the lower and upper manual crank control mechanisms via a transmission mechanism. The transmission mechanism includes a lower drive wheel 12 on the lower manual crank control mechanism, an upper drive wheel 21 on the upper manual crank control mechanism, a driven wheel 3, a tension wheel 4, and an annular transmission belt 5. The annular transmission belt 5 sequentially passes around the lower drive wheel 12, the tension wheel 4, the upper drive wheel 21, and the driven wheel 3. The driven wheel 3 is connected to the rollers 11 via a transmission mechanism. The drive wheel, tension wheel, upper drive wheel, and driven wheel are gears, and the annular transmission belt is an annular chain.

[0025] Specifically, the lower layer 1 of the frame body is provided with a lower mounting plate 13, the lower mounting plate 13 is respectively provided with a driven wheel 3, a lower driving wheel 12 and a tension wheel 4, the driven wheel 3 is below the lower driving wheel 12, and the number of teeth of the driven wheel 3 is greater than that of the lower driving wheel 12. The speed of the dense shelf can be appropriately slowed down to improve stability, and more labor-saving when hand shaking. The tension wheel 4 is arranged between the lower driving wheel 12 and the driven wheel 3. At the same time, the tension wheel 4 can realize steering, so that the steering of the upper driving wheel 21 and the lower driving wheel 12 is consistent. The upper layer 2 of the frame body is provided with an upper mounting plate 23, the upper mounting plate 23 is provided with an upper driving wheel 21 and two positioning wheels 22, the positioning wheels 22 are arranged on the left and right sides below the driving wheel 22, and are used for supporting the annular transmission belt on the left and right sides of the upper driving wheel 21. The annular transmission belt 5 is clockwise around the lower driving wheel 12 from the left side of the lower driving wheel 12, counterclockwise around the tension wheel 4, and then sequentially clockwise around the left positioning wheel 22, the upper driving wheel 21, the right positioning wheel 22 and the driven wheel 3 to form a closed loop.

[0026] The lower layer 1 of the frame body is provided with a tension plate 14 and a tension screw fixing seat 15, the tension screw fixing seat 15 is fixedly connected with the lower layer 1 of the frame body, the tension plate 14 is slidably connected with the lower layer of the frame body, the tension wheel 4 is arranged on the tension plate 14, the tension plate 14 and the tension screw fixing seat 15 are provided with a tension screw 16, and the tension screw 16 is threadedly connected with the tension plate 14 through the tension screw fixing seat 15. The height of the tension plate can be adjusted by screwing the tension screw, so as to adjust the distance between the tension wheel and the lower driving wheel 12, and adjust the tension of the annular transmission belt.

[0027] The upper hand shaking control mechanism comprises an upper connecting piece and an upper shaking handle, the upper connecting piece and the upper shaking handle 24 are detachably connected, and the connecting piece is preferably a plum blossom shape, the shaking handle is provided with a plum blossom-shaped groove, and when used, the plum blossom-shaped groove on the shaking handle is matched with the plum blossom-shaped connecting piece, so that the dense shelf can be moved by hand shaking, and the shaking handle can be detached to save space.

[0028] The lower hand shaking control mechanism comprises a lower connecting piece and a lower shaking handle, the lower connecting piece and the lower shaking handle 17 are detachably connected, and the above is the same.

[0029] Preferably, the support base is provided with a guide rail 6, and the roller is arranged on the guide rail 6.

[0030] Embodiment 2

[0031] The driving wheel, the tension wheel, the upper driving wheel, the positioning wheel and the driven wheel are belt pulleys, the annular transmission belt is an annular belt, and the remaining embodiment 1.

[0032] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A shelving unit in which both upper and lower shelves can be manually oscillated, characterized in that: The shelf body lower layer is provided with a roller at the bottom, a lower hand control mechanism is installed on the shelf body lower layer, an upper hand control mechanism is installed on the shelf body upper layer, the roller is connected with the lower hand control mechanism and the upper hand control mechanism through a transmission mechanism, the transmission mechanism comprises a lower driving wheel arranged on the lower hand control mechanism, an upper driving wheel arranged on the upper hand control mechanism, a driven wheel, a tension wheel and an annular transmission belt, the annular transmission belt is sequentially wound around the lower driving wheel, the tension wheel, the upper driving wheel and the driven wheel, and the driven wheel is in transmission connection with the roller.

2. The compact shelving unit of claim 1, wherein: A tension plate and a tension screw fixing seat are installed on the shelf body lower layer, the tension screw fixing seat is fixedly connected with the shelf body lower layer, the tension plate is in sliding connection with the shelf body lower layer, and a tension screw is installed between the tension plate and the tension screw fixing seat.

3. The compact shelving unit of claim 1, wherein: The upper hand control mechanism comprises an upper connecting piece and an upper handle, and the lower hand control mechanism comprises a lower connecting piece and a lower handle.

4. The compact shelving unit of claim 1, wherein: The driving wheel, the tension wheel, the upper driving wheel and the driven wheel are gear wheels, and the annular transmission belt is an annular chain.

5. The compact shelving unit of claim 1, wherein: the upper and lower shelves are manually shakable. The driving wheel, the tension wheel, the upper driving wheel and the driven wheel are belt pulleys, and the annular transmission belt is an annular belt. ​ 6. The compact shelving unit of claim 1, wherein: Two positioning wheels are arranged on the shelf body upper layer and located at the left and right sides of the upper driving wheel.

7. The compact shelving unit of claim 1, wherein: A guide rail is installed on the support base surface, and the roller is installed on the guide rail.

8. The compact shelving unit of claim 1, wherein: The number of teeth of the lower driving wheel is the same as that of the upper driving wheel, and the number of teeth of the driven wheel is greater than that of the lower driving wheel.

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