Telescopic goods shelf

Abstract

The utility model discloses a telescopic expansion goods shelf which comprises a shelf body, the shelf body is of an inverted-U-shaped structure, the bottom and the middle of the inner side of the shelf body are each fixedly provided with a fixed containing plate, the tops of the left end and the right end of each fixed containing plate are each provided with a containing groove, one side of each containing groove is provided with a rotating groove, and the rotating grooves are formed in the inner side of the shelf body. A movable placing plate is arranged above the fixed placing plate, sliding blocks symmetrically arranged on the left side and the right side of the movable placing plate in the front-back direction are slidably installed in sliding grooves formed in the left side and the right side of the interior of the frame body correspondingly, and the sliding grooves are located at the front end and the rear end of the top of the left side and the right side of the fixed placing plate correspondingly, and power bins are arranged on the left side and the right side of the frame body correspondingly; according to the telescopic goods shelf, the electric telescopic rods are adopted for controlling lifting of the movable containing plates, so that the number of containing layers for expansion adjustment is increased or decreased, adjustment operation of the number of the containing layers is convenient, and the telescopic goods shelf has high flexibility.

Description

Technical Field

[0001] The utility model relates to the technical field of shelves, in particular to a retractable and expandable shelf. Background Art

[0002] Shelves generally refer to racks for storing goods. As important storage equipment, the performance and efficiency of shelves directly affect the operating costs and efficiency of enterprises.

[0003] At present, most of the existing shelves are fixed in form, and the shelf placement plates are fixed by bolts and welding. At the same time, the number of expansion layers is increased or decreased according to the size of the items to be placed. For example, the shelves for placing goods in supermarkets have a wide variety of goods and different sizes. When increasing or decreasing the number of expansion and adjustment placement layers, this type of fixed shelf is more cumbersome and less flexible. For this reason, we propose a retractable and expandable shelf. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model discloses a retractable and expandable shelf, and the technical scheme adopted is as follows: it includes a frame body, the frame body is an inverted "U"-shaped structure, and the inner bottom and middle of the frame body are respectively fixedly installed with fixed placement plates, and the tops of the left and right ends of the fixed placement plate are respectively provided with placement grooves, and one side of the placement groove is respectively provided with a rotation groove, and the rotation groove is respectively arranged on the inner side of the frame body, and a movable placement plate is respectively arranged above the fixed placement plate, and sliders symmetrically arranged on the left and right sides of the movable placement plate are respectively slidably installed in the slide grooves arranged on the left and right sides of the frame body, and the slide grooves are respectively located at the front and rear ends of the tops of the left and right sides of the fixed placement plate, and the left and right sides of the frame body are respectively provided with power bins, and the inside of the power bins is respectively provided with telescopic extension units, and the telescopic extension units include electric A movable telescopic rod, a rack, a gear, a transmission shaft, a sprocket, a transmission chain and a rotating support plate, wherein two transmission shafts are provided, and the transmission shafts are movably inserted in the shaft holes provided in the middle of the fixed placement plate, and the left and right ends of the transmission shaft are respectively fixedly installed with rotating support plates, and the rotating support plates are respectively arranged in the placement groove and the rotation groove, and the left and right ends of the transmission shaft respectively pass through the through holes provided at the left and right ends of the frame body and are fixedly connected with the sprockets provided inside the power bin, and the sprockets are respectively connected through transmission chains, wherein gears are respectively fixedly installed at the left and right ends of the transmission shaft located in the middle of the frame body, and two electric telescopic rods are provided, and the electric telescopic rods are respectively fixedly installed on the inner bottom of the power bin, and racks are respectively fixedly installed on the top of the telescopic ends of the electric telescopic rods, and the racks are respectively meshed with teeth on the gears.

[0005] As a preferred technical solution of the present utility model, the slide groove and the slider are T-shaped structures.

[0006] As a preferred technical solution of the utility model, universal wheels are symmetrically arranged at the left and right ends of the bottom of the frame, so that the frame is easy to move.

[0007] As a preferred technical solution of the utility model, push handles are symmetrically arranged on the left and right sides of the frame, so that the staff can push the frame to move by the push handles.

[0008] As a preferred technical solution of the utility model, a controller is arranged at the top of the front right end of the frame, the output end of the controller is electrically connected to the input end of the electric telescopic rod, and the input end of the controller is electrically connected to the output end of the external power supply.

[0009] Beneficial effects of the utility model: the utility model pushes the rack to move upwards through the telescopic end of the electric telescopic rod, so that the rack driving gear drives the transmission shaft to rotate, and the sprockets at the left and right ends of the transmission shaft are respectively connected by transmission chains, so that the transmission shaft drives the rotating support plate to rotate along the rotating groove at the same time, and the rotating support plate pushes the mobile placement plate to move upwards, and supports the bottom of the mobile placement plate, thereby increasing the number of layers of expansion placement;

[0010] When placing larger objects, the telescopic end of the electric telescopic rod is controlled to retract, so that the rotating support plate rotates and moves into the placement slot, so that the mobile placement plate falls on the fixed placement plate, thereby reducing the number of placement layers and making it easier for staff to place larger objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0013] Figure 3 This is a schematic diagram of the partial cross-section structure of the utility model. Figure 1 ;

[0014] Figure 4 This is a schematic diagram of the partial cross-section structure of the utility model. Figure 2 ;

[0015] Figure 5 This is a schematic diagram of the partial cross-section structure of the utility model. Figure 3 .

[0016] In the figure: 1 frame, 2 power compartment, 3 controller, 4 fixed placement plate, 5 telescopic extension unit, 51 electric telescopic rod, 52 rack, 53 gear, 54 transmission shaft, 55 sprocket, 56 transmission chain, 57 rotating support plate, 6 mobile placement plate, 7 placement slot, 8 rotating slot, 9 slide slot, 10 slider, 11 universal wheel, 12 push handle. DETAILED DESCRIPTION

[0017] Example 1

[0018] like Figures 1 to 5As shown, the utility model discloses a telescopic and expandable shelf, and the technical scheme adopted is that it includes a frame body 1, and the frame body 1 is an inverted "U"-shaped structure. Universal wheels 11 are symmetrically arranged at the left and right ends of the bottom of the frame body 1, and push handles 12 are symmetrically arranged at the left and right sides of the frame body 1. Fixed placement plates 4 are fixedly installed at the bottom and middle of the inner side of the frame body 1, and placement grooves 7 are respectively arranged at the tops of the left and right ends of the fixed placement plate 4. Rotation grooves 8 are respectively arranged on one side of the placement grooves 7, and the rotation grooves 8 are respectively arranged on the inner side of the frame body 1, and movable placement plates 6 are respectively arranged above the fixed placement plates 4. Sliders 10 symmetrically arranged at the left and right sides of the movable placement plate 6 are respectively slidably installed on the left and right sides of the frame body 1. The chute 9 is arranged on both sides, and the chute 9 is respectively located at the top front and rear ends of the left and right sides of the fixed placement plate 4. The chute 9 and the slider 10 are T-shaped structures, so as to prevent the slider 10 from being separated from the chute 9. The left and right sides of the frame 1 are respectively provided with power warehouses 2, and the interior of the power warehouse 2 is respectively provided with telescopic extension units 5. The telescopic extension unit 5 includes an electric telescopic rod 51, a rack 52, a gear 53, a transmission shaft 54, a sprocket 55, a transmission chain 56 and a rotating support bracket 57. There are two transmission shafts 54, and the transmission shafts 54 are respectively movably inserted in the shaft holes set in the middle of the fixed placement plate 4. The left and right ends of the transmission shaft 54 ​​are respectively fixedly installed with rotating support brackets 57, and the rotating support brackets 57 are respectively provided The left and right ends of the transmission shaft 54 ​​are respectively passed through the through holes provided at the left and right ends of the frame 1 and are fixedly connected with the sprockets 55 provided inside the power bin 2. The sprockets 55 are respectively connected through transmission chains 56. The left and right ends of the transmission shaft 54 ​​located in the middle of the frame 1 are respectively fixedly installed with gears 53. Two electric telescopic rods 51 are provided. The electric telescopic rods 51 are respectively fixedly installed at the inner bottom of the power bin 2. The tops of the telescopic ends of the electric telescopic rods 51 are respectively fixedly installed with racks 52. The racks 52 are respectively meshed with the teeth on the gears 53. The racks 52 are pushed upward by the telescopic end of the electric telescopic rod 51 to move, so that the racks 52 drive the gears 53 to drive one of the transmission The shaft 54 ​​rotates, and the sprockets 55 at the left and right ends of the transmission shaft 54 ​​are respectively connected by transmission chains 56, so that the transmission shaft 54 ​​simultaneously drives the rotating support pallet 57 to rotate along the placement groove 7 and the rotation groove 8. During the rotation of the rotating support pallet 57, the rotating support pallet 57 pushes the movable placement plate 6 to move upward, and the sliders 10 at the left and right ends of the movable placement plate 6 slide along the slide groove 9. The bottom of the movable placement plate 6 is supported by the rotating support pallet 57, so as to increase the number of layers of extended placement. A controller 3 is arranged on the top of the front right end of the frame 1, and the output end of the controller 3 is electrically connected to the input end of the electric telescopic rod 51, and the input end of the controller 3 is electrically connected to the output end of the external power supply.

[0019] The working principle of the utility model is as follows: when in use, the staff can adjust the movable placement plate 6 according to the shape and size of the items to be placed. For example, when placing a large number of small items, the staff can start the electric telescopic rod 51 through the controller 3, so that the telescopic end of the electric telescopic rod 51 pushes the rack 52 to move upward. Since the teeth on the rack 52 and the gear 53 are meshed, the rack 52 drives the gear 53 to drive one of the transmission shafts 54 to rotate, and the sprockets 55 at the left and right ends of the transmission shaft 54 ​​are respectively connected by a transmission chain 56, so that the transmission shaft 54 ​​simultaneously drives the rotating support plate 57 to be placed along the The slot 7 and the rotating slot 8 rotate, and the rotating support plate 57 pushes the movable placement plate 6 to move upward during the rotation process, and the sliders 10 at the left and right ends of the movable placement plate 6 slide along the slide slot 9, and the bottom of the movable placement plate 6 is supported by the rotating support plate 57, thereby achieving the purpose of increasing the number of expanded placement layers; when placing larger objects, the controller 3 controls the telescopic end of the electric telescopic rod 51 to retract, so that the rotating support plate 57 rotates and moves into the placement slot 7, so that the movable placement plate 6 falls on the fixed placement plate 4, thereby reducing the number of placement layers, so that the staff can place larger objects.

[0020] The circuit connection involved in the utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, and it belongs to the widely used existing technology.

[0021] Components not described in detail herein are prior art.

[0022] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in this field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. A retractable shelf, comprising a shelf body (1), characterized in that: The frame (1) is an inverted "U"-shaped structure. A fixed placement plate (4) is fixedly installed at the inner bottom and the middle of the frame (1). Placement grooves (7) are respectively arranged at the tops of the left and right ends of the fixed placement plate (4). A rotation groove (8) is respectively arranged on one side of the placement groove (7). The rotation groove (8) is respectively arranged on the inner side of the frame (1). A movable placement plate (6) is respectively arranged above the fixed placement plate (4). Sliders ( 10) are respectively slidably mounted in slide grooves (9) arranged on the left and right sides of the frame (1), and the slide grooves (9) are respectively located at the front and rear ends of the top of the left and right sides of the fixed placement plate (4), the left and right sides of the frame (1) are respectively provided with power bins (2), and the inside of the power bins (2) are respectively provided with telescopic expansion units (5), and the telescopic expansion units (5) include an electric telescopic rod (51), a rack (52), a gear (53), a transmission shaft (54), a sprocket (55), a transmission chain (56) and a rotating The support plate (57) is provided with two transmission shafts (54), and the transmission shafts (54) are respectively movably inserted in the shaft holes provided in the middle of the fixed placement plate (4). The left and right ends of the transmission shaft (54) are respectively fixedly installed with rotation support plates (57), and the rotation support plates (57) are respectively provided in the placement groove (7) and the rotation groove (8). The left and right ends of the transmission shaft (54) respectively pass through the through holes provided at the left and right ends of the frame body (1) and the sprocket (55) provided inside the power bin (2) to be fixed. The sprockets (55) are connected to each other by transmission chains (56), wherein the left and right ends of the transmission shaft (54) located in the middle of the frame (1) are respectively fixedly mounted with gears (53), and two electric telescopic rods (51) are provided, and the electric telescopic rods (51) are respectively fixedly mounted on the inner bottom of the power bin (2), and the tops of the telescopic ends of the electric telescopic rods (51) are respectively fixedly mounted with racks (52), and the racks (52) are respectively meshed with teeth on the gears (53).

2. The retractable shelf according to claim 1, characterized in that: The slide groove (9) and the slide block (10) are T-shaped structures.

3. The retractable shelf according to claim 1, characterized in that: Universal wheels (11) are symmetrically arranged at the left and right ends of the bottom of the frame (1).

4. The retractable shelf according to claim 1, characterized in that: Push handles (12) are symmetrically arranged on the left and right sides of the frame (1).

5. The retractable shelf according to claim 1, characterized in that: A controller (3) is provided at the top of the front right end of the frame (1); the output end of the controller (3) is electrically connected to the input end of the electric telescopic rod (51); and the input end of the controller (3) is electrically connected to the output end of an external power supply.

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