Improved positioning structure of pull-out display shelves

Abstract

An improved pull-out shelf positioning structure for a display rack includes a shelf, a pair of pull-out frames disposed below the shelf, and an outer frame assembly. The pull-out frames can be pulled back and forth relative to the outer frame assembly. A positioning mechanism is provided on the pull-out frames, including at least one vertically movable positioning rod and a linkage mechanism connected to the positioning rod. When the shelf is in the retracted state, the positioning rod engages with a first positioning part of the outer frame assembly. When the shelf is pulled out to its fully extended state, the positioning rod falls back and engages with a second positioning part of the outer frame assembly when the linkage mechanism is released, ensuring the shelf is positioned in both the retracted and fully extended states. Furthermore, a movable rear baffle can be provided on one side of the shelf to act as a barrier during the shelf's retraction or use, preventing goods from sliding backward.

Description

Improved positioning structure of pull-out display shelves Technical Field

[0001] This invention relates to a display rack structure, particularly a display rack for use in shops or retail stores, and to an improved shelf positioning structure with a pull-out function, which enables the shelf to be positioned in different pull-out states, thereby improving the stability of the display rack during use. Prior Technology

[0002] Display racks are widely used in stores, retail outlets, and other merchandise display areas to hold and display various products. To facilitate restocking or adjusting product positions for merchandise staff, display rack structures with movable shelves have emerged on the market, allowing the shelves to be pulled out or dragged relative to the display rack body.

[0003] However, existing pull-out shelf structures mostly only have positioning or fixing mechanisms when the shelf is folded up to prevent it from sliding when not in use. When the shelf is pulled out to place or organize goods, there is often a lack of corresponding positioning design, which may cause the shelf to slip or shift due to accidental contact, external force or the weight of the goods, affecting operational stability.

[0004] In addition, some display rack structures achieve pull-out functionality by replacing the entire display rack or shelf module. For existing display rack equipment, this often requires significant structural changes, increasing costs and construction inconvenience, and is also not conducive to the continued use of existing equipment.

[0005] Therefore, how to provide a shelf positioning structure with a simplified design that enables the shelf to be positioned in different pull-out states, based on the existing display rack structure, has become an urgent issue to be addressed in the relevant technical field. Summary of the Invention

[0006] The main purpose of this invention is to provide an improved positioning structure for the pull-out shelf of a display rack. By setting a positioning structure in the pull-out mechanism of the display rack shelf, the shelf can be positioned in different pull-out states, thereby improving the situation where the shelf of the existing display rack lacks positioning and is prone to displacement when pulled out.

[0007] To achieve the above objectives, this invention provides a pull-out shelf positioning structure for a display rack, comprising a shelf, a pair of pull-out frames disposed below the shelf, and an outer frame assembly. The pull-out frames can be pulled back and forth relative to the outer frame assembly. A positioning mechanism is provided on the pull-out frames, the positioning mechanism comprising at least one positioning rod that can move up and down, and a linkage mechanism connected to the positioning rod, so that the positioning rod can move up or down during different pull-out strokes.

[0008] With the above structural configuration, when the shelf is in the retracted state, the positioning rod cooperates with the first positioning part of one of the external scaffolding units to restrict the movement of the pull-out frame, so that the shelf can be maintained in the retracted position; when the shelf is pulled out to the fully extended state, when the linkage mechanism is released, the positioning rod falls back and cooperates with the second positioning part of one of the external scaffolding units to prevent the shelf from being retracted or displaced due to accidental contact or external force in the extended state.

[0009] In an embodiment of this invention, the linkage mechanism includes at least one linkage pull plate, which is disposed below the pull-out frame and can be pulled forward or pressed forward to drive the positioning rod to move upward and disengage from the first positioning part or the second positioning part.

[0010] In this embodiment of the invention, the first positioning part and the second positioning part are disposed at different positions on the outer frame assembly, and respectively correspond to the retracted state and the fully extended state of the shelf panel.

[0011] In this embodiment of the invention, after the shelf is fully pulled out and the linkage mechanism is released, the positioning rod automatically falls back to the second positioning part under the action of gravity or elastic recovery.

[0012] In an embodiment of this invention, the positioning rod is positioned when the shelf is fully extended to prevent the pull-out frame from being accidentally retracted during sorting or placing of goods.

[0013] In an embodiment of this novel invention, the pull-out frame includes an inner track and an outer track, and the positioning mechanism is used to limit the pull-out frame to at least two stable positions.

[0014] In an embodiment of this invention, a movable rear baffle is provided on one side of the shelf. The movable rear baffle can rotate or move relative to the shelf and forms a barrier when the shelf is pulled out or in use, so as to prevent the goods placed on the shelf from sliding backward.

[0015] Through the above structural design, this new type of display rack can incorporate the positioning function of pull-out shelves on the basis of existing display rack structures, and can also make the shelves have better operational stability in actual use. Moreover, the improvement of the shelf positioning structure can be achieved without replacing the entire display rack structure. Simple Explanation of the Diagram

[0016] Figure 1 is a three-dimensional schematic diagram of the drag-type shelf positioning structure of this new type of display rack. Figure 2 is a schematic diagram of the bottom structure of the drag-type shelf positioning structure of this new type of display rack. Figure 3 is a side view of the pull-out shelf positioning structure of this new type of display rack, and shows the enlarged position of some parts of the structure. Figure 4 is a three-dimensional schematic diagram of the pull-out shelf positioning structure of this new type of display rack in the shelf pull-out state. Figure 5 is a schematic diagram of the bottom structure of the pull-out shelf positioning structure of this new type of display rack in the shelf pull-out state. Figure 6 is a side view of the pull-out frame of the pull-out shelf positioning structure of this new type of display rack. Figure 7 is an exploded view of the drag-type shelf positioning structure of this new type of display rack. Figure 8 is a schematic diagram of the operation of this new invention (I). Figure 9 is an enlarged schematic diagram of part A in Figure 8. Figure 10 is an enlarged schematic diagram of part B in Figure 8. Figure 11 is a schematic diagram of the operation of this new invention (II). Figure 12 is a schematic diagram (III) of the operation of this new type, showing the shelf in the unfolded state. Figure 13 is an enlarged schematic diagram of part C in Figure 12. Implementation

[0017] Please refer to Figures 1 to 7. The improved pull-out shelf positioning structure of this new type of display rack includes a shelf 10, a pair of pull-out frames 20 and 21, an outer frame assembly 30, a positioning mechanism 40, and a linkage mechanism 50.

[0018] As shown in Figures 1 and 4, the shelf 10 is set on the display rack and can be used to carry goods. A movable back baffle 60 can be set on one side of the shelf 10. The movable back baffle 60 can rotate or move relative to the shelf 10 to form a blocking structure when in use.

[0019] As shown in Figures 2, 5, and 6, the pull-out frames 20 and 21 are disposed below the shelf panel 10 and can be pulled back and forth relative to the outer frame assembly 30. In one embodiment, each pull-out frame 20 and 21 includes an inner track 22 and an outer track 23. By sliding relative to the inner track 22 and the outer track 23, the shelf panel 10 can be pulled out relative to the outer frame assembly 30.

[0020] As shown in Figures 2, 5 and 7, the positioning mechanism 40 is disposed on the pull-out frames 20 and 21. The positioning mechanism 40 includes at least one positioning rod 41, and the positioning rod 41 can move up and down relative to the pull-out frames 20 and 21.

[0021] As shown in Figures 2, 5, and 7, the linkage mechanism 50 is disposed on the pull-out frames 20 and 21 and is linked to the positioning mechanism 40. In one embodiment, the linkage mechanism 50 includes at least one linkage pull plate 51, which can be operated to drive the positioning rod 41 to move up and down.

[0022] As shown in Figure 7, the shelf panel 10, the pull-out frame 20, 21, the outer frame assembly 30, the positioning mechanism 40, the linkage mechanism 50, and the movable back panel 60 are assembled together to form the pull-out shelf positioning structure of the display rack.

[0023] Following the aforementioned structural configuration, the operation of this novel invention will be explained below with reference to Figures 8 to 13.

[0024] Please refer to Figures 8 to 10. When the shelf 10 is in the retracted state, the positioning rod 41 of the positioning mechanism 40 is located in an initial positioning position and is engaged with the first positioning part 301 of the outer frame assembly 30 to restrict the movement of the pull-out frames 20 and 21 relative to the outer frame assembly 30, so that the shelf 10 is maintained in the retracted position.

[0025] As shown in Figure 9, the enlarged view of part B in Figure 8 shows the partial structure of the linkage mechanism 50 and its operational relationship. The user can operate the linkage pull plate 51 of the linkage mechanism 50 to move the positioning rod 41 upward, thereby causing the positioning rod 41 to disengage from its original positioning state.

[0026] As shown in Figure 10, the enlarged view of part A in Figure 8 shows the engagement relationship between the positioning rod 41 and the first positioning part 301. When the shelf 10 is in the retracted state, the positioning rod 41 is engaged with the first positioning part 301, restricting the movement of the pull-out frames 20 and 21; when the linkage pull plate 51 is operated to move the positioning rod 41 upward, the positioning rod 41 disengages from the first positioning part 301, releasing the positioning restriction on the pull-out frames 20 and 21, so as to facilitate the pull-out movement of the shelf 10.

[0027] Please refer to Figure 11. After the operating linkage mechanism 50 disengages the positioning rod 41 from the first positioning part 301, the pull-out frames 20 and 21 can move back and forth relative to the outer frame assembly 30, causing the shelf 10 to gradually move outward from the folded state. During this pulling process, the positioning rod 41 is in a disengaged state from the positioning part and does not engage with the first positioning part 301 or the second positioning part 302.

[0028] Please refer to Figures 12 and 13. When the shelf 10 is pulled out to the fully extended state and is in the unfolded state, after the user releases the linkage mechanism 50, the positioning rod 41 automatically falls back under the action of gravity or elastic recovery and is locked into the second positioning part 302 set in the outer frame arm assembly 30.

[0029] As shown in Figure 13, the enlarged view of part C in Figure 12 shows the engagement state of the positioning rod 41 and the second positioning part 302. The second positioning part 302 positions the shelf 10 in its fully extended state to prevent the pull-out frames 20 and 21 from being accidentally retracted during product handling or placement. The second positioning part 302 and the first positioning part 301 are located at different positions on the outer frame assembly 30 and correspond to the retracted and fully extended states of the shelf 10, respectively.

[0030] As shown in Figures 1, 4 and 7, a movable rear baffle 60 can be provided on one side of the shelf 10. The movable rear baffle 60 can rotate or move relative to the shelf 10 and form a blockage when the shelf 10 is pulled out or in use, so as to prevent the goods placed on the shelf 10 from sliding backward.

[0031] In summary, through the above structure and operation method, this new invention enables the shelf 10 to be positioned in both the folded and fully extended states. This not only improves the stability of the shelf 10 during use but also prevents the pull-out frames 20 and 21 from moving unexpectedly due to accidental contact. Furthermore, it can be implemented on the basis of existing display rack structures without replacing the entire display rack structure, thus achieving an improvement in the pull-out shelf positioning structure.

[0032] 10: Shed board 20: Pull-out frame 21: Pull-out frame 22: Inner track 23: Outer track 30: Scaffolding assembly 301: First Positioning Section 302: Second Positioning Unit 40: Positioning mechanism 41: Positioning rod 50: Linkage Mechanism 51: Linkage Pull Plate 60: Movable rear tailgate

Claims

1. An improved positioning structure for a pull-out shelf of a display rack, comprising: a shelf; a pull-out frame disposed below the shelf and capable of being pulled back and forth relative to an outer frame assembly; a positioning mechanism including at least one positioning rod capable of moving up and down relative to the pull-out frame; and a linkage mechanism linked to the positioning rod and capable of moving the positioning rod upward or downward during different pull-out strokes; characterized in that: when the shelf is in a retracted state, the positioning rod engages with a first positioning part of the outer frame assembly to restrict the movement of the pull-out frame; when the shelf is pulled out to a fully extended state, upon releasing the linkage mechanism, the positioning rod retracts and engages with a second positioning part of the outer frame assembly to prevent the pull-out frame from being accidentally retracted in the extended state.

2. An improvement to the pull-out shelf positioning structure of the display rack as described in claim 1, wherein, The linkage mechanism includes at least one linkage pull plate, which is located below the pull-out frame and can be pulled forward or pressed forward to drive the positioning rod to move upward and disengage from the first positioning part or the second positioning part.

3. An improvement to the pull-out shelf positioning structure of the display rack as described in claim 1, wherein, The first positioning part and the second positioning part are located at different positions on the outer frame assembly, and respectively correspond to the folded state and the fully extended state of the shelf.

4. An improvement to the pull-out shelf positioning structure of the display rack as described in claim 1, wherein, After the shelf is fully pulled out and the linkage mechanism is released, the positioning rod automatically falls back to the second positioning part under the action of gravity or elastic recovery.

5. An improvement to the pull-out shelf positioning structure of the display rack as described in claim 1, wherein, The positioning rod is positioned when the shelf is fully extended to prevent the pull-out frame from being accidentally retracted when sorting or placing goods.

6. An improvement to the pull-out shelf positioning structure of the display rack as described in claim 1, wherein, The pull-out frame includes an inner rail and an outer rail, and the positioning mechanism is used to limit the pull-out frame to at least two stable positions.

7. An improvement to the pull-out shelf positioning structure of the display rack as described in claim 1, wherein, A movable rear baffle is provided on one side of the shelf. The movable rear baffle can rotate or move relative to the shelf and form a barrier when the shelf is pulled out or in use, so as to prevent the goods placed on the shelf from sliding backward.

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