A merchandise display rack

Abstract

The application discloses a commodity display stand, comprising a bottom cabinet, the distance between adjacent layers can be flexibly adjusted according to the specifications of commodities through a distance adjusting structure, and the adjustment can be completed without disassembling components, which is simple, efficient, and suitable for the display requirements of commodities of different heights, improves the practicality and flexibility of the display stand, prevents small commodities from falling through a rotatable baffle structure, protects the safety of the commodities, and can be folded up when not in use, without occupying display space, facilitating the carrying and storage of the display stand, and through a docking assembly, two display stands can be quickly and accurately aligned, and splicing and locking can be completed without the aid of additional tools, the connection is tight after splicing, the stability is high, misalignment and loosening are avoided, the display area can be effectively expanded according to the display site requirements, and the use and expandability of the display stand are improved.

Description

Technical Field

[0001] This invention relates to the field of display rack technology, specifically a product display rack. Background Technology

[0002] Merchandise display racks are indispensable display equipment in commercial retail, supermarkets, convenience stores and other scenarios. They are widely used for the placement and display of various products. Their core function is to classify and organize products, present them clearly, make it convenient for consumers to view and select them, and at the same time make reasonable use of space, improve the utilization rate of the venue and the display effect of the products.

[0003] However, the height of existing product display racks is mostly fixed, making it difficult to flexibly adjust the spacing according to the height and size of the displayed products. When it is necessary to display products of different heights, it is difficult to adapt to the product size, resulting in poor display effect. At the same time, when the whole unit needs to be disassembled and adjusted, the operation is cumbersome and time-consuming, reducing the ease of use. Meanwhile, existing display racks usually do not have side panels, which can easily cause small items to slip off the side, resulting in damage or loss. In addition, for some display racks that do have side panels, the panels are usually fixed directly to the display rack, making it difficult to remove or fold them up according to actual usage needs. When not in use, they occupy extra space and are not convenient for moving and storing the display rack. Meanwhile, when multiple display racks are used together, they are often simply aligned and placed, resulting in poor overall stability after splicing. They are prone to misalignment and tipping. Alternatively, they are fixed with fasteners such as bolts, which require tools for both splicing and disassembly. This is cumbersome, and repeated disassembly can cause wear and tear on the parts, further reducing the stability after splicing. This makes it difficult to meet the actual needs of large-area combined displays. Summary of the Invention

[0004] The purpose of this invention is to provide a product display rack to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A product display rack includes a base cabinet, a support structure installed on the top of the base cabinet, and an adjustable structure disposed on the support structure; The support structure includes a connector and a dustproof component. An adjustable spacing structure is connected to the connector. The adjustable spacing structure includes a lifting component and a limiting component. The lifting component is used to adjust the spacing between two adjacent partitions, and the limiting component is used to limit the position of the partitions.

[0006] To ensure the stability of the support, as a preferred embodiment of the present invention, the connector includes columns, and four columns are fixedly connected to the top surface of each base cabinet, forming a rectangular structure between the four columns.

[0007] To achieve the dustproof function of the display rack, as a preferred embodiment of the present invention: the dustproof component includes a back panel and a top cover, the back panel is fixedly connected between the two uprights on the back side, and the top cover is fixedly connected between the tops of the four uprights.

[0008] To achieve adjustable shelf spacing, as a preferred embodiment of the present invention: the lifting component includes slide rails, stops, support frames, shelves, mounting blocks, and sliders. Three slide rails are fixedly connected to the inner sides of each of the four columns. Sliders are slidably connected to the slide rails. An "L"-shaped mounting block is fixedly connected to the slider. A support frame is provided between the four slide rails at the same height. The support frame is slidably connected to the columns. The bottom surface of the support frame is fixedly connected to the four adjacent mounting blocks.

[0009] In order to limit the sliding stroke of the slider and ensure the stability of the shelf lifting, as a preferred embodiment of the present invention: both the upper and lower ends of the slide rail are fixedly connected to the stop blocks, the top surface of the support frame is fixedly connected to the shelf, and the shelf is slidably connected to the column.

[0010] To stably limit the position of the adjusted shelf, as a preferred embodiment of the present invention: the limiting member includes an insertion hole, a limiting rod, a first spring, a groove, and a guide rod. The limiting rod is slidably connected to one of the columns on the support frame. The inner end of the limiting rod is fixedly connected to the inner wall of the support frame with the first spring. Multiple insertion holes are equidistantly opened on one of the columns near the limiting rod. The inner end of the limiting rod engages with the adjacent insertion holes. A groove is opened on the support frame near the inner end of the limiting rod. A guide rod is fixedly connected in the groove. The limiting rod and the guide rod are slidably connected. The limiting rod is slidably connected to the inner wall of the groove. The cross-section of the limiting rod is "L" shaped.

[0011] To prevent small exhibits from sliding off the sides of the shelf, as a preferred embodiment of the present invention: the support frame is provided with a baffle structure, the baffle structure includes a rotating component and a locking component, the rotating component includes a sliding groove, a rotating seat, a rotating shaft and a stop bar, the support frame is provided with sliding grooves on both sides, the rotating seat is slidably connected in the sliding groove, the rotating shaft is rotatably connected on the rotating seat, the stop bar is rotatably connected on the rotating shaft, and the bottom surface of the stop bar abuts against the shelf.

[0012] In order to securely lock the erected stop bar, as a preferred embodiment of the present invention: the locking component includes a knob, the knob is rotatably connected to the support frame near the bottom of the slide groove, the rotating seat and the knob are threadedly connected, the rotating seat has a U-shaped structure, and the knob has a T-shaped structure.

[0013] To achieve precise splicing and stable connection of multiple display racks, as a preferred embodiment of the present invention: a docking component is provided between two sets of uprights located on different base cabinets and adjacent to each other. The docking component includes a splicing structure and a positioning structure. The splicing structure is used to splice the two display racks, and the positioning structure is used to align the two display racks. The positioning structure includes a positioning strip and a positioning groove. The two uprights located on different base cabinets and adjacent to each other are respectively provided with a positioning strip and a positioning groove. The positioning strip is fixedly connected to the uprights, and the positioning strip and the positioning groove are engaged with each other.

[0014] To achieve a secure locking mechanism after the two display racks are joined together, as a preferred embodiment of the present invention: the joining structure includes a mounting groove, a positioning rod, a connecting strip, a second spring, and a locking slot. The mounting groove and locking slot are respectively provided on two adjacent uprights located on different base cabinets. A positioning rod is fixedly connected within the mounting groove, and a connecting strip is slidably connected to the positioning rod. A second spring is fixedly connected between the connecting strip and the inner wall of the mounting groove. The end of the connecting strip engages with the locking slot. Both the connecting strip and the locking slot have an "L" shaped cross-section.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1) By using the lifting and limiting components in the adjustable spacing structure, the spacing between adjacent shelves can be flexibly adjusted according to the product specifications. The adjustment can be completed without disassembling any parts, making the operation simple and efficient. At the same time, the limiting components can firmly limit the position of the adjusted shelves, preventing the shelves from shifting after bearing the products. This adapts to the display needs of products of different heights, improving the practicality and flexibility of the display rack.

[0016] 2) The rotating edge structure prevents small items from falling. The edge can be rotated around the pivot to stand up or retract. When standing up, it is fixed in place by locking parts. It can effectively prevent small exhibits from sliding off the sides of the shelf and protect the safety of the goods. It can also be retracted when not in use, without taking up display space. It is convenient for the handling and storage of the display rack and solves the problem of the inconvenience of fixed edge.

[0017] 3) By cooperating with the positioning structure and splicing structure in the docking components, the two display racks can be quickly and accurately aligned during splicing. The splicing and locking can be completed without the need for additional tools. After splicing, the connection is tight and stable, avoiding misalignment and loosening. It can be flexibly combined according to the needs of the display site, effectively expanding the display area and improving the scalability of the display racks. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 for Figure 1 The diagram shown is an enlarged view of the structure of part A. Figure 3 for Figure 1 The diagram shown is an enlarged view of the structure of section B. Figure 4 for Figure 1 The diagram shows an enlarged view of section C. Figure 5 This is a schematic diagram of the connection structure between the column and the support frame of the present invention; Figure 6 for Figure 5 The diagram shown is an enlarged view of the structure of part D. Figure 7 This is a schematic diagram of the column and back plate structure of the present invention; Figure 8 for Figure 7 The diagram shown is an enlarged view of the structure of part E. Figure 9 This is a schematic diagram of the connection structure between the column and the positioning strip of the present invention; Figure 10 for Figure 9 The diagram shows an enlarged view of the F-section structure. Figure 11 This is a schematic diagram of the connection structure between the mating strip and the slot of the present invention.

[0019] In the diagram: 1. Base cabinet; 2. Support structure; 201. Upright column; 202. Back panel; 203. Top cover; 3. Adjustable distance structure; 301. Slide rail; 302. Stop block; 303. Support frame; 304. Insertion hole; 305. Shelf; 306. Mounting block; 307. Slider; 308. Limiting rod; 309. First spring; 310. Groove; 311. Guide rod; 4. Edge retaining structure; 401. Slide groove; 402. Rotary seat; 403. Rotating shaft; 404. Stop bar; 405. Knob; 5. Splicing structure; 501. Mounting groove; 502. Positioning rod; 503. Connecting strip; 504. Second spring; 505. Slot; 6. Positioning structure; 601. Positioning strip; 602. Positioning groove. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] Please see Figure 1-11This invention provides a technical solution: a product display rack, including a base cabinet 1, a support structure 2 installed on the top of the base cabinet 1, and an adjustable spacing structure 3 provided on the support structure 2; the support structure 2 includes a connector and a dustproof component, the connector is connected to the adjustable spacing structure 3, the adjustable spacing structure 3 includes a lifting component and a limiting component, the lifting component is used to adjust the spacing between two adjacent shelves, the limiting component is used to limit the position of the shelves, the connector includes uprights 201, four uprights 201 are fixedly connected to the top surface of each base cabinet 1, the four uprights 201 form a rectangular structure, the dustproof component includes a back panel 202 and a top cover 203, the back panel 202 is fixedly connected between two uprights 201 located on the back side, and the top cover 203 is fixedly connected between the tops of the four uprights 201.

[0022] In practical use, the base cabinet 1 is placed at the site of use. The uprights 201 fixed on the top of the base cabinet 1 form a rectangular support. The back panel 202 between the back uprights 201 and the top cover 203 form a dustproof structure, which can effectively reduce dust accumulation and improve the overall structural stability.

[0023] The lifting component includes a slide rail 301, a stop block 302, a support frame 303, a shelf 305, a mounting block 306, and a slider 307. Three slide rails 301 are fixedly connected to the inner side of each of the four columns 201. A slider 307 is slidably connected to the slide rail 301. An "L"-shaped mounting block 306 is fixedly connected to the slider 307. A support frame 303 is provided between the four slide rails 301 at the same height. The support frame 303 is slidably connected to the columns 201. The bottom surface of the support frame 303 is fixedly connected to the four adjacent mounting blocks 306. Stop blocks 302 are fixedly connected to both the upper and lower ends of the slide rail 301. A shelf 305 is fixedly connected to the top surface of the support frame 303. The shelf 305 is slidably connected to the columns 201.

[0024] In practical use, the staff pushes the support frame 303, which is fixedly connected to the bottom surface by four "L"-shaped mounting blocks 306. This causes the sliders 307 on the mounting blocks 306 to slide up and down along the slide rails 301 fixed to the inside of the column 201. The slide rails 301 provide a stable guide for the sliders 307, allowing the support frame 303 to smoothly raise and lower the top shelf 305. Both the upper and lower ends of the slide rails 301 are fixedly connected to stop blocks 302, which can strictly limit the sliding stroke of the sliders 307 and prevent the sliders 307 from slipping off the ends of the slide rails 301, thus improving the safety and stability of the adjustment process.

[0025] The limiting component includes an insertion hole 304, a limiting rod 308, a first spring 309, a groove 310, and a guide rod 311. The limiting rod 308 is slidably connected to one of the columns 201 on the support frame 303. The first spring 309 is fixedly connected between the inner end of the limiting rod 308 and the inner wall of the support frame 303. Multiple insertion holes 304 are equidistantly opened on one of the columns 201 near the limiting rod 308. The inner end of the limiting rod 308 is engaged with the adjacent insertion hole 304. A groove 310 is opened on the support frame 303 near the inner end of the limiting rod 308. The guide rod 311 is fixedly connected in the groove 310. The limiting rod 308 and the guide rod 311 are slidably connected. The limiting rod 308 is slidably connected to the inner wall of the groove 310. The cross-section of the limiting rod 308 is L-shaped.

[0026] In practical use, the spacing between two adjacent shelves 305 is adjusted. This operation can be flexibly adjusted according to the height of the displayed goods to adapt to the placement needs of exhibits of different specifications. During operation, the staff pulls the "L"-shaped limiting rod 308 by hand. The limiting rod 308 slides in the groove 310 of the support frame 303, while compressing the first spring 309 connected to the inner wall of the support frame 303 at its inner end, until the inner end of the limiting rod 308 is completely disengaged from the insertion hole 304 on the column 201, releasing the limitation on the support frame 303. The guide rod 311 fixed in the groove 310 passes through the limiting rod 308, which can effectively ensure that the limiting rod 308 does not deviate or jam when moving, ensuring smooth operation.

[0027] The support frame 303 is provided with a retaining structure 4, which includes a rotating component and a locking component. The rotating component includes a slide groove 401, a rotating seat 402, a rotating shaft 403, and a stop bar 404. Slide grooves 401 are provided on both sides of the support frame 303. The rotating seat 402 is slidably connected in the slide groove 401. The rotating shaft 403 is rotatably connected to the rotating seat 402. The stop bar 404 is rotatably connected to the rotating shaft 403. The bottom surface of the stop bar 404 abuts against the shelf 305. The locking component includes a knob 405. The knob 405 is rotatably connected to the support frame 303 near the bottom of the slide groove 401. The rotating seat 402 and the knob 405 are threadedly connected. The rotating seat 402 has a U-shaped structure, and the knob 405 has a T-shaped structure.

[0028] In practical use, the side baffle 404 is then rotated upright to prevent small exhibits from sliding off the sides of the shelf 305, protecting the exhibits. It can also be flexibly retracted as needed, without occupying display space. During operation, the operator first locates the grooves 401 on both sides of the support frame 303. The operator then manually rotates the baffle 404 around the pivot 403 until it is vertical. At this point, the bottom surface of the baffle 404 is just touching the surface of the shelf 305, initially achieving a limiting position. Subsequently, the operator rotates the "T" shaped section on the support frame 303 near the bottom of the groove 401. The knob 405 is threadedly connected to the rotating base 402. When the knob 405 is rotated, the rotating base 402 will slowly move down along the slide groove 401. During the downward movement of the rotating base 402, it will push the bottom of the baffle 404 to tightly press against the shelf 305, thereby keeping the baffle 404 stably in a vertical position, forming a reliable side protection, effectively preventing small exhibits from slipping. At the same time, the "T"-shaped structure of the knob 405 is easy for the staff to hold and operate, and the "U"-shaped structure of the rotating base 402 can stably support the rotating shaft 403 and the baffle 404, ensuring the stable realization of the edge protection function.

[0029] A docking assembly is provided between two sets of adjacent uprights 201 located on different base cabinets 1. The docking assembly includes a splicing structure 5 and a positioning structure 6. The splicing structure 5 is used to splice the two display racks, and the positioning structure 6 is used to align the two display racks. The positioning structure 6 includes a positioning strip 601 and a positioning groove 602. The two adjacent uprights 201 located on different base cabinets 1 are respectively provided with a positioning strip 601 and a positioning groove 602. The positioning strip 601 is fixedly connected to the upright 201, and the positioning strip 601 and the positioning groove 602 are engaged with each other.

[0030] In practical use, multiple display racks are spliced ​​into a whole according to the size of the exhibition space and the exhibition requirements to increase the exhibition area and ensure the overall stability after splicing. During the splicing operation, the first step is to align and position the racks. Locate the adjacent uprights 201 of the two display racks. One upright 201 is fixedly connected to a positioning strip 601, and the other adjacent upright 201 has a positioning groove 602 that matches the positioning strip 601. The staff accurately inserts the positioning strip 601 into the positioning groove 602 to quickly align the two display racks, avoid misalignment during splicing, ensure splicing accuracy, and lay the foundation for subsequent locking operations.

[0031] The splicing structure 5 includes a mounting groove 501, a positioning rod 502, a connecting strip 503, a second spring 504, and a locking slot 505. The mounting groove 501 and the locking slot 505 are respectively opened on two other adjacent columns 201 located on different base cabinets 1. The positioning rod 502 is fixedly connected in the mounting groove 501. The connecting strip 503 is slidably connected to the positioning rod 502. The second spring 504 is fixedly connected between the connecting strip 503 and the inner wall of the mounting groove 501. The end of the connecting strip 503 and the locking slot 505 are engaged with each other. The cross-section of the connecting strip 503 and the locking slot 505 are both L-shaped.

[0032] In practical use, the two display racks are pushed closer together, causing another set of adjacent columns 201 to fit together. One column 201 has an installation groove 501, and the other adjacent column 201 has an L-shaped slot 505 that matches the connecting strip 503. As the two display racks gradually approach each other, the edge of the slot 505 contacts and slides with the inclined surface at the end of the connecting strip 503, pushing the connecting strip 503 to slide upward along the positioning rod 502. At the same time, the second spring 504 is compressed. When the two display racks are fully spliced ​​in place and the connecting strip 503 is fully aligned with the slot 505, the compressed second spring 504 releases its elasticity, pushing the connecting strip 503 downward so that its end is precisely locked into the slot 505, thus completing the secure locking of the two display racks. The positioning rod 502 ensures that the docking bar 503 does not deviate when sliding, and the second spring 504 realizes the automatic reset and locking of the docking bar 503. The L-shaped structure of the docking bar 503 and the slot 505 can enhance the locking firmness, prevent the two display racks from separating after splicing, improve the overall stability of use, and meet the needs of large-area display.

[0033] Working principle: First, place the base cabinet 1 in the usage area. The fixed column 201 on the top of the base cabinet 1 forms a rectangular support. The back panel 202 between the back columns 201 and the top cover 203 form a dustproof structure, which can effectively reduce dust accumulation and improve the overall structural stability. Next, adjust the spacing between two adjacent shelves 305. This operation can be flexibly adjusted according to the height of the displayed goods to adapt to the placement needs of exhibits of different specifications. During operation, the staff pulls the "L"-shaped limiting rod 308 by hand. The limiting rod 308 slides in the groove 310 of the support frame 303, while compressing the first spring 309 connected to the inner wall of the support frame 303 at its inner end, until the inner end of the limiting rod 308 is completely disengaged from the insertion hole 304 on the column 201, releasing the limitation on the support frame 303. The guide rod 311 fixed in the groove 310 passes through the limiting rod 308, which can effectively ensure that the limiting rod 308 does not deviate or jam when it moves, ensuring smooth operation. Subsequently, the staff pushed the support frame 303. The support frame 303, through four "L"-shaped mounting blocks 306 fixedly connected to the bottom surface, drove the slider 307 on the mounting blocks 306 to slide up and down along the slide rail 301 fixed to the inside of the column 201. The slide rail 301 provided a stable guide for the slider 307, so that the support frame 303 could drive the top shelf 305 to rise and fall smoothly. Both the upper and lower ends of the slide rail 301 were fixedly connected to the stop blocks 302, which could strictly limit the sliding stroke of the slider 307 and prevent the slider 307 from slipping off the two ends of the slide rail 301, thus improving the safety and stability of the adjustment process. Once the shelf 305 is adjusted to the appropriate spacing to meet the needs of product display, the staff releases the limiting rod 308. The compressed first spring 309 releases its elasticity, pushing the limiting rod 308 back to its original position along the guide rod 311, so that its inner end is precisely inserted into the corresponding insertion hole 304 on the column 201. This securely limits the position of the shelf 305, ensuring that the shelf 305 will not shift after products are placed on it. This improves the flexibility of use and ensures the stability of the display. Next, the side baffle 404 is rotated upright to prevent small exhibits from sliding off the sides of the shelf 305, protecting the exhibits. It can also be flexibly retracted as needed, without taking up display space. During operation, the worker first locates the sliding grooves 401 on both sides of the support frame 303. The worker then manually rotates the baffle 404 around the pivot 403 until it is vertical. At this point, the bottom surface of the baffle 404 is just touching the surface of the shelf 305, initially achieving a limiting position. Then, the worker rotates the "T"-shaped knob on the support frame 303 near the bottom of the sliding groove 401. 405. The knob 405 and the rotating base 402 are connected by a thread. When the knob 405 is turned, the rotating base 402 will move slowly down along the slide groove 401. During the downward movement of the rotating base 402, the bottom of the baffle 404 will be pushed to press tightly against the shelf 305, so that the baffle 404 is kept in a stable vertical position, forming a reliable side protection and effectively preventing small exhibits from slipping. At the same time, the "T"-shaped structure of the knob 405 is easy for the staff to hold and operate, and the "U"-shaped structure of the rotating base 402 can stably support the rotating shaft 403 and the baffle 404, ensuring the stable realization of the edge protection function. Finally, the two display racks are spliced ​​together. Depending on the size of the display area and display needs, multiple display racks can be spliced ​​into a whole to increase the display area and ensure the overall stability after splicing. During the splicing operation, the first step is to align and position the racks. Locate the adjacent uprights 201 of the two display racks. One upright 201 is fixedly connected to a positioning strip 601, and the other adjacent upright 201 has a positioning groove 602 that matches the positioning strip 601. The staff precisely inserts the positioning strip 601 into the positioning groove 602 to quickly align the two display racks, avoid misalignment during splicing, ensure splicing accuracy, and lay the foundation for subsequent locking operations. After alignment, push the two display racks closer together so that another set of adjacent columns 201 fit together. One column 201 has an installation groove 501, and the other adjacent column 201 has an L-shaped slot 505 that matches the connecting strip 503. As the two display racks gradually approach each other, the edge of the slot 505 contacts and slides with the bevel at the end of the connecting strip 503, pushing the connecting strip 503 to slide upward along the positioning rod 502. At the same time, the second spring 504 is compressed. When the two display racks are fully spliced ​​in place and the connecting strip 503 is fully aligned with the slot 505, the compressed second spring 504 releases its elasticity, pushing the connecting strip 503 downward so that its end is precisely locked into the slot 505, thus completing the secure locking of the two display racks. The positioning rod 502 ensures that the docking bar 503 does not deviate when sliding, and the second spring 504 realizes the automatic reset and locking of the docking bar 503. The L-shaped structure of the docking bar 503 and the slot 505 can enhance the locking firmness, prevent the two display racks from separating after splicing, improve the overall stability of use, and meet the needs of large-area display.

[0034] The contents not described in detail in this description are existing technologies known to those skilled in the art. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A merchandise display rack, comprising a base cabinet (1) and a support structure (2) mounted on top of the base cabinet (1), characterized in that, Adjustment structure (3) provided on the support structure (2); The support structure (2) includes a connector and a dustproof component. An adjustable distance structure (3) is connected to the connector. The adjustable distance structure (3) includes a lifting component and a limiting component. The lifting component is used to adjust the distance between two adjacent partitions, and the limiting component is used to limit the position of the partition.

2. A product display rack according to claim 1, characterized in that: The connector includes columns (201), and four columns (201) are fixedly connected to the top surface of each cabinet (1), forming a rectangular structure between the four columns (201).

3. A product display rack according to claim 2, characterized in that: The dustproof component includes a back plate (202) and a top cover (203). The back plate (202) is fixedly connected between the two pillars (201) located on the back side, and the top cover (203) is fixedly connected between the tops of the four pillars (201).

4. A product display rack according to claim 2, characterized in that: The lifting component includes a slide rail (301), a stop block (302), a support frame (303), a shelf (305), a mounting block (306), and a slider (307). Three slide rails (301) are fixedly connected to the inner side of each of the four columns (201). A slider (307) is slidably connected to the slide rail (301). An "L"-shaped mounting block (306) is fixedly connected to the slider (307). A support frame (303) is provided between the four slide rails (301) at the same height. The support frame (303) is slidably connected to the column (201). The bottom surface of the support frame (303) is fixedly connected to the four adjacent mounting blocks (306).

5. A product display rack according to claim 4, characterized in that: Both ends of the slide rail (301) are fixedly connected to the stop blocks (302), and the top surface of the support frame (303) is fixedly connected to the shelf (305). The shelf (305) is slidably connected to the column (201).

6. A product display rack according to claim 4, characterized in that: The limiting component includes a socket (304), a limiting rod (308), a first spring (309), a groove (310), and a guide rod (311). The limiting rod (308) is slidably connected to one of the columns (201) on the support frame (303). The first spring (309) is fixedly connected between the inner end of the limiting rod (308) and the inner wall of the support frame (303). A plurality of sockets (304) are equidistantly provided on one of the columns (201) near the limiting rod (308). The inner end of the limiting rod (308) is engaged with the adjacent insertion hole (304). A groove (310) is provided on the support frame (303) near the inner end of the limiting rod (308). A guide rod (311) is fixedly connected in the groove (310). The limiting rod (308) and the guide rod (311) are slidably connected. The limiting rod (308) and the inner wall of the groove (310) are slidably connected. The cross section of the limiting rod (308) is "L" shaped.

7. A product display rack according to claim 6, characterized in that: The support frame (303) is provided with a retaining structure (4). The retaining structure (4) includes a rotating component and a locking component. The rotating component includes a slide groove (401), a rotating seat (402), a rotating shaft (403), and a stop bar (404). The support frame (303) has slide grooves (401) on both sides. A rotating seat (402) is slidably connected in the slide groove (401). A rotating shaft (403) is rotatably connected on the rotating seat (402). A stop bar (404) is rotatably connected on the rotating shaft (403). The bottom surface of the stop bar (404) abuts against the shelf (305).

8. A product display rack according to claim 7, characterized in that: The locking component includes a knob (405). The knob (405) is rotatably connected to the support frame (303) near the bottom of the slide groove (401). The rotating seat (402) is threadedly connected to the knob (405). The rotating seat (402) has a U-shaped structure, and the knob (405) has a T-shaped structure.

9. A product display rack according to claim 2, characterized in that: A docking assembly is provided between two sets of uprights (201) located on different base cabinets (1) and adjacent to each other. The docking assembly includes a splicing structure (5) and a positioning structure (6). The splicing structure (5) is used to splice the two display racks. The positioning structure (6) is used to align the two display racks. The positioning structure (6) includes a positioning strip (601) and a positioning groove (602). The two uprights (201) located on different base cabinets (1) and adjacent to each other are provided with a positioning strip (601) and a positioning groove (602). The positioning strip (601) is fixedly connected to the upright (201). The positioning strip (601) and the positioning groove (602) are engaged with each other.

10. A product display rack according to claim 9, characterized in that: The splicing structure (5) includes an installation groove (501), a positioning rod (502), a connecting strip (503), a second spring (504), and a slot (505). The other two adjacent columns (201) located on different base cabinets (1) are respectively provided with an installation groove (501) and a slot (505). The positioning rod (502) is fixedly connected in the installation groove (501). The connecting strip (503) is slidably connected on the positioning rod (502). The second spring (504) is fixedly connected between the connecting strip (503) and the inner wall of the installation groove (501). The end of the connecting strip (503) and the slot (505) are engaged with each other. The cross-section of the connecting strip (503) and the slot (505) are both "L" shaped.

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