Extendable drawer divider assembly

Abstract

This application discloses a retractable drawer divider assembly, belonging to the field of household goods technology. It includes a first divider and a second divider, both L-shaped. The first divider has a groove along its length at its upper part. The top of the second divider inserts into the groove, forming an inverted T-shaped divider. When either the first or second divider is subjected to force, the second divider moves along the groove, changing the length of the divider. A row of toothed grooves is provided on the second divider near the groove. A snap-fit ​​element with locking teeth is flip-up on the first divider. Pressing down on the snap-fit ​​element causes the locking teeth to engage in the toothed grooves, fixing the first and second dividers along their length. Flipping the snap-fit ​​element upwards causes the locking teeth to disengage from the toothed grooves, allowing the first and second dividers to extend and retract. This application features a simple structure, low cost, strong applicability, and convenient operation.

Description

Technical Field

[0001] This application relates to the field of household goods technology, and in particular to a retractable drawer divider assembly. Background Technology

[0002] Drawers are widely used in daily life and office environments to store various items, such as stationery, small tools, and miscellaneous items. As people's demands for efficiency in life and work continue to increase, making reasonable use of drawer space and quickly and accurately finding the items needed has become a concern.

[0003] Existing drawer dividers have some shortcomings. Some dividers have fixed structures and cannot be flexibly adjusted according to the size of the drawer and the type of items, resulting in limited applicability. For example, some dividers use fixed horizontal or vertical partitions, which cannot meet the dividing needs of different drawer models. To address this, some adjustable dividers are available on the market. Relevant prior art, such as Chinese patent application "Telescopic Drawer Divider," publication number CN107095494A, discloses a main divider and a secondary divider that slides with the main divider. The main divider has a cavity extending along its length, and one end of the secondary divider extends into and slides with the cavity. A stop structure is provided between the main divider and the secondary divider to limit their relative movement when they move towards each other. For example, Chinese patent application “A drawer divider”, publication number: CN215304214U, includes a first divider, a guide part, a locking part, a locking groove, an insertion port, a right protective pad, a limiting member, a second divider, straight teeth, a baffle, a guide insertion port, and a left protective pad. The limiting member includes a limiting plate, a locking member, and limiting teeth.

[0004] Existing adjustable dividers are overly complex, containing numerous components and cumbersome connection mechanisms. This not only increases production costs but also makes installation and operation inconvenient and prone to malfunctions in practical use. For example, some dividers employ complex gear transmissions and multi-stage slide rails, which, while achieving the desired function, are costly and unreliable. Utility Model Content

[0005] The technical problem to be solved by this application is to provide a retractable drawer divider assembly that is simple in structure, low in cost, highly applicable and easy to operate.

[0006] The technical solution adopted in this application is: a retractable drawer divider assembly, including a first divider and a second divider. Both the first divider and the second divider are L-shaped plate structures. The upper part of the first divider is provided with a sliding groove along its length. The top of the second divider is inserted into the sliding groove to form an inverted T-shaped divider. When the first divider or the second divider is subjected to force, the second divider moves along the sliding groove to change the length of the divider. A row of toothed grooves is provided on the second divider near the sliding groove. A buckle is provided on the first divider that can be flipped up. The buckle is provided with locking teeth. When the buckle is pressed down, it causes the locking teeth to be embedded into the toothed grooves, thus fixing the first divider and the second divider in their length direction. When the buckle is flipped up, it causes the locking teeth to disengage from the toothed grooves, thus making the first divider and the second divider retractable.

[0007] Compared with existing technologies, the advantages of this application are as follows: First, the solution only involves basic components such as the first partition, the second partition, the slide, the toothed groove, and the fastener, without the need for complex transmission devices or excessive connecting parts, resulting in a relatively simple structure. The absence of complex mechanisms such as gear transmission or multi-stage slide rails reduces production difficulty and cost, while also reducing the possibility of malfunctions and improving product reliability and service life.

[0008] Secondly, both the first and second dividers are L-shaped plates. The top of the second divider inserts into a groove to form an inverted T-shaped divider. When placed inside the drawer, this divider offers excellent stability and reliability. The second divider can move along a groove on the first divider, thus changing the overall length of the divider. This allows for flexible adjustment of the divider space according to the actual size of the drawer and the types of items to be separated, making it widely applicable. The locking teeth on the fastener engage with the grooves on the second divider, allowing the divider to be fixed at different lengths. This enables users to easily adjust the divider's position as needed, improving flexibility and convenience.

[0009] Finally, when adjusting the length of the divider, this application only requires applying appropriate force to the first or second divider to allow the second divider to slide within the groove. The operation is simple and intuitive, requiring no complex tools or cumbersome steps. The flip-up design of the latch makes fixing and releasing the divider very easy. Pressing down on the latch engages the teeth in the groove for fixation, while flipping it upwards disengages the teeth for extension and retraction adjustment. This time-saving and labor-saving operation allows users to quickly complete the divider operation.

[0010] In some embodiments of this application, the first partition and the second partition are each provided with a support plate at their ends that are far apart from each other. The support plate is vertically arranged to contact the drawer wall, and a buffer pad is provided on the side of the support plate that contacts the drawer wall.

[0011] The support plate design allows the dividers to act against the side walls of the drawer, making the support plate more stable inside the drawer and preventing it from shaking or shifting during use, thus ensuring the reliability of item separation. The cushioning pads reduce friction and collisions between the dividers and the drawer walls, protecting the drawer walls from damage and extending the drawer's lifespan.

[0012] In some embodiments of this application, the first partition includes a first vertical plate and a first bottom plate, the first vertical plate and the first bottom plate being arranged perpendicularly to each other to form an L-shaped structure, and a support plate being perpendicular to the first vertical plate and the first bottom plate; the second partition includes a second vertical plate and a second bottom plate, the second vertical plate and the second bottom plate being arranged perpendicularly to each other to form an L-shaped structure, and a support plate being perpendicular to the first vertical plate and the first bottom plate.

[0013] The three perpendicular panels give the first and second dividers higher structural strength, enabling them to better withstand the weight of items and resist deformation. This three-dimensional design makes the dividers more stable inside the drawer, effectively preventing them from shifting due to impacts from items moving within the drawer.

[0014] In some embodiments of this application, the first base plate and the second base plate are located on the same plane and are connected to each other.

[0015] The first and second base plates are flush with each other, making the bottom of the divider flatter and allowing it to fit more snugly against the bottom of the drawer. This improves the stability of the divider and prevents wobbling or gaps caused by uneven bottoms. This design helps to make more efficient use of the space under the drawer, making the dividers more stable and improving space utilization.

[0016] In some embodiments of this application, the top of the first vertical plate is bent downward to form a groove, the longitudinal section of the groove is an inverted U-shaped structure, the top of the second vertical plate is bent into an L-shaped connecting part, the upper part of the connecting part is inserted into the groove, and a row of teeth is regularly arranged on the lower top surface of the connecting part.

[0017] By bending to form the groove and connecting part, the structure of the entire partition is made more compact, reducing the number and complexity of parts and lowering production costs. The inverted U-shaped groove and L-shaped connecting part make the second partition slide more smoothly in the groove, making operation convenient and allowing for easy adjustment of the partition length.

[0018] In some embodiments of this application, the tooth groove is an inverted trapezoidal structure, and the structure of the locking tooth is adapted to the structure of the tooth groove. The inverted trapezoidal tooth groove and the adapted locking tooth structure allow the locking tooth to smoothly flip and embed into the tooth groove, and the two mesh stably, ensuring the stability of the separator in a fixed state. This tooth groove and locking tooth cooperation method can achieve precise adjustment of the separator length, with each tooth groove corresponding to a fixed position, making the adjustment of the separation space more accurate.

[0019] In some embodiments of this application, the top of the first partition is provided with a slot, the fastener is installed in the slot, one end of the fastener is connected to the first partition through a rotating shaft, the other end of the fastener is provided with a protrusion, and a recess is provided on one side wall of the slot corresponding to the protrusion. When the fastener is pressed down, the protrusion is embedded in the recess.

[0020] The snap-fit ​​component is installed at the slot via a pivot. Pressing down allows the protrusion and recess to engage, making operation simple and effortless, and facilitating quick fixing or releasing of the divider. Installing the snap-fit ​​component within the slot of the first partition does not occupy extra space, resulting in a more compact structure and a cleaner appearance for the entire divider.

[0021] In some embodiments of this application, the first partition plate is provided with a first notch with an arc segment structure corresponding to the recess, and the bottom of the fastener is provided with a second notch with an upward concave shape.

[0022] The first notch in the curved segment structure enhances the elastic deformation capacity of the recess, making it easier for the protruding part to embed into the recess, thus improving the smoothness and reliability of the engagement. The design of the second notch allows users to easily lift the buckle by hooking their fingers on the bottom of the buckle, making the release of the separator more convenient.

[0023] In some embodiments of this application, there is a gap between the middle of the first vertical plate and the middle of the second vertical plate, a first guide groove is provided in the middle of one side of the first vertical plate along its length direction, and a first protrusion is provided in the middle of the second vertical plate corresponding to the first guide groove, the first protrusion being at least partially embedded in the first guide groove.

[0024] There is a gap between the middle of the first vertical plate and the second vertical plate, which reduces the contact area between the first vertical plate and the second vertical plate, thereby reducing the frictional resistance when the two move relative to each other and making it convenient for the user to adjust the length.

[0025] The cooperation between the first guide groove and the first protrusion provides precise guidance for the sliding of the second partition, ensuring that it will not deviate or shake during the sliding process, thus improving the stability and reliability of the partition.

[0026] In some embodiments of this application, the bottom of the second vertical plate is provided with a second guide groove along its length direction, and the bottom of the first vertical plate is provided with a second protrusion corresponding to the second guide groove, the second protrusion being at least partially embedded in the second guide groove.

[0027] The cooperation between the second guide groove and the second convex strip provides additional guidance and support for the bottom of the divider, ensuring that the bottom of the second partition does not shift during sliding, further improving the overall stability of the divider. This bottom guide groove and convex strip structure increases the connection strength between the bottom of the first and second vertical plates, while effectively withstanding a certain lateral force, allowing the divider to better withstand the weight and pressure of the items and preventing deformation and damage.

[0028] The bottom of the first vertical plate is provided with a third guide groove with an opening facing downward near the second protrusion. The second bottom plate is provided with a plurality of third protrusions, and at least one third protrusion is embedded in the third guide groove.

[0029] In this application, the first protrusion is connected to the second guide groove, and the second protrusion is connected to the third guide groove, thereby limiting the relative displacement of the first and second partitions in their vertical direction. The third protrusion is connected to the third guide groove, thereby limiting the relative displacement of the first and second partitions in their front-back direction. Further combined with the limiting function of the top sliding groove, the connection structure of this application is stable.

[0030] Based on common knowledge in the field, the above-described embodiments can be combined arbitrarily. Attached Figure Description

[0031] The present application will be described in further detail below with reference to the accompanying drawings and preferred embodiments. However, those skilled in the art will understand that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be construed as limiting the scope of the present application. Furthermore, unless specifically indicated, the drawings are only schematic representations of the composition or structure of the described objects and may contain exaggerated depictions, and the drawings are not necessarily drawn to scale.

[0032] Figure 1 This is a schematic diagram of the structure of this application;

[0033] Figure 2 This is a sectional view of the tooth groove in this application;

[0034] Figure 3 A structural diagram illustrating the active status of this application. Figure 1 ;

[0035] Figure 4 A structural diagram illustrating the active status of this application. Figure 2 .

[0036] The specific reference numerals in the attached drawings are explained as follows: 1. First partition; 2. Second partition; 3. Slide groove; 4. Tooth groove; 5. Fastener; 6. Fastener tooth; 7. Support plate; 8. Buffer pad; 9. First vertical plate; 10. First bottom plate; 11. Second vertical plate; 12. Second bottom plate; 13. Connecting part; 14. Groove; 15. Rotating shaft; 16. Plug; 17. Recess; 18. First notch; 19. Second notch; 20. First guide groove; 21. First protrusion; 22. Second guide groove; 23. Second protrusion; 24. Third guide groove; 25. Third protrusion. Detailed Implementation

[0037] The present application will now be described in detail with reference to the accompanying drawings.

[0038] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0039] Retractable drawer divider assembly, as in embodiment one Figures 1 to 3 As shown, the structure includes a first partition 1 and a second partition 2, both of which are L-shaped plate structures. A groove 3 is provided along the length of the upper part of the first partition 1. The top of the second partition 2 is inserted into the groove 3, forming an inverted T-shaped separator. When either the first partition 1 or the second partition 2 is subjected to force, the second partition 2 moves along the groove 3, changing the length of the separator. A row of toothed grooves 4 is provided near the groove 3 on the second partition 2. A snap-fit ​​element 5 is rotatably mounted on the first partition 1, and the snap-fit ​​element 5 has snap teeth 6. This design only involves basic components such as the first partition 1, the second partition 2, the groove 3, the toothed grooves 4, and the snap-fit ​​element 5, without requiring complex transmission devices or excessive connecting parts, resulting in a relatively simple structure. By avoiding complex mechanisms such as gear transmissions or multi-stage slide rails, the production difficulty and cost are reduced, while also reducing the possibility of failure and improving product reliability and service life.

[0040] Both the first partition 1 and the second partition 2 are L-shaped plates. The top of the second partition 2 inserts into the slide groove 3, forming an inverted T-shaped divider. When placed inside the drawer, the divider offers good stability and reliability. The second partition 2 can move along the slide groove 3 on the first partition 1, thereby changing the overall length of the divider. This allows for flexible adjustment of the divider space according to the actual size of the drawer and the types of items to be separated, making it widely applicable. The locking teeth 6 on the latch 5 engage with the toothed grooves 4 on the second partition 2, allowing the divider to be fixed at different lengths. This enables users to easily adjust the divider's position as needed, improving flexibility and convenience.

[0041] When the snap fastener 5 is pressed down, the snap teeth 6 are inserted into the toothed groove 4, thus fixing the first partition 1 and the second partition 2 along their length. When the snap fastener 5 is flipped upwards, the snap teeth 6 disengage from the toothed groove 4, allowing the first partition 1 and the second partition 2 to extend and retract. In this application, when adjusting the length of the partition, only appropriate force needs to be applied to the first partition 1 or the second partition 2 to allow the second partition 2 to slide within the sliding groove 3. The operation is simple and intuitive, requiring no complex tools or cumbersome steps. The flip-out design of the snap fastener 5 makes fixing and releasing the partition very easy. Pressing down the snap fastener 5 inserts the snap teeth 6 into the toothed groove 4 for fixing, while flipping the snap fastener 5 upwards allows the snap teeth 6 to disengage from the toothed groove 4 for extension and retraction adjustment. The operation is time-saving and labor-saving, allowing users to quickly complete the partitioning operation.

[0042] Example 2, as Figures 1 to 4 As shown, both the first partition 1 and the second partition 2 have support plates 7 at their opposite ends. The support plates 7 are vertically positioned to contact the drawer walls, and a cushioning pad 8 is provided on the side of the support plate 7 that contacts the drawer walls. The design of the support plates 7 ensures that the dividers act on the two side walls of the drawer, making the support plates 7 more stable inside the drawer and preventing them from shaking or shifting during use, thus ensuring the reliability of the item separation. The cushioning pad 8 reduces friction and collision between the dividers and the drawer walls, protecting the drawer walls from damage and extending the drawer's lifespan.

[0043] The first partition 1 includes a first vertical plate 9 and a first bottom plate 10, which are arranged perpendicularly to each other to form an L-shaped structure. A support plate 7 is perpendicular to the first vertical plate 9 and the first bottom plate 10. The second partition 2 includes a second vertical plate 11 and a second bottom plate 12, which are also arranged perpendicularly to each other to form an L-shaped structure. The support plate 7 is perpendicular to the first vertical plate 9 and the first bottom plate 10. This three-dimensional structural design gives the first partition 1 and the second partition 2 higher structural strength, enabling them to better withstand the weight of items and preventing deformation. This three-dimensional structural design makes the partitions more stable inside the drawer, effectively preventing positional changes caused by impacts from items moving within the drawer.

[0044] The first base plate 10 and the second base plate 12 are located on the same plane and are connected together. This coplanar arrangement and connection of the first base plate 10 and the second base plate 12 makes the bottom of the divider flatter and fits more snugly against the bottom of the drawer, improving the stability of the divider and preventing wobbling or gaps caused by uneven bottoms. This design helps to make more efficient use of the space under the drawer, making the divider more stable and improving space utilization.

[0045] The top of the first vertical plate 9 is bent downwards to form a groove 3. The longitudinal section of the groove 3 is an inverted U-shape. The top of the second vertical plate 11 is bent to form an L-shaped connecting part 13. The upper part of the connecting part 13 is inserted into the groove 3, and a row of teeth 4 is regularly arranged on the lower top surface of the connecting part 13. By bending to form the groove 3 and the connecting part 13, the structure of the entire separator is more compact, reducing the number and complexity of parts and lowering production costs. The cooperation between the inverted U-shaped groove 3 and the L-shaped connecting part 13 makes the second partition 2 slide more smoothly in the groove 3, facilitating operation and allowing easy adjustment of the length of the separator.

[0046] The tooth groove 4 is an inverted trapezoidal structure, and the structure of the locking tooth 6 is adapted to the structure of the tooth groove 4. The inverted trapezoidal tooth groove 4 and the adapted locking tooth 6 structure allow the locking tooth 6 to smoothly flip and embed into the tooth groove 4, and the two engage stably, ensuring the stability of the separator in a fixed state. This cooperation method between the tooth groove 4 and the locking tooth 6 allows for precise adjustment of the separator length; each tooth groove 4 corresponds to a fixed position, making the adjustment of the separation space more accurate.

[0047] The first partition 1 has a slot 14 at its top. The fastener 5 is installed in the slot 14. One end of the fastener 5 is connected to the first partition 1 via a pivot 15, and the other end of the fastener 5 has a protrusion 16. A recess 17 is provided on one side wall of the slot 14 corresponding to the protrusion 16. When the fastener 5 is pressed down, the protrusion 16 is embedded into the recess 17. The fastener 5 is installed in the slot 14 via the pivot 15. Pressing down allows the protrusion 16 and the recess 17 to engage, making the operation simple and effortless, and facilitating quick fixing or releasing of the partition. Installing the fastener 5 in the slot 14 of the first partition 1 does not occupy extra space, making the entire partition structure more compact and neat in appearance.

[0048] The first partition 1 has a first notch 18 with an arc-shaped structure corresponding to the recess 17, and the bottom of the fastener 5 has a second notch 19 with an upward concave shape. The first notch 18 with the arc-shaped structure enhances the elastic deformation capability of the recess 17, making it easier for the protrusion 16 to embed into the recess 17, thus improving the smoothness and reliability of the engagement. The design of the second notch 19 allows the user to easily lift the fastener 5 by hooking their finger at the bottom, making the release of the partition more convenient.

[0049] A gap exists between the middle portions of the first vertical plate 9 and the second vertical plate 11. A first guide groove 20 is provided along the length of one side of the first vertical plate 9, and a first protrusion 21 is provided in the middle of the second vertical plate 11 corresponding to the first guide groove 20. The first protrusion 21 is at least partially embedded in the first guide groove 20. The gap between the middle portions of the first vertical plate 9 and the second vertical plate 11 reduces their contact area, thereby reducing frictional resistance during relative movement and facilitating length adjustment by the user. The cooperation between the first guide groove 20 and the first protrusion 21 provides precise guidance for the sliding of the second partition 2, ensuring that it does not deviate or wobble during sliding, thus improving the stability and reliability of the partition.

[0050] The second vertical plate 11 has a second guide groove 22 along its length at its bottom, and the first vertical plate 9 has a second protrusion 23 corresponding to the second guide groove 22 at its bottom. The second protrusion 23 is at least partially embedded in the second guide groove 22. The cooperation between the second guide groove 22 and the second protrusion 23 provides additional guidance and support for the bottom of the separator, ensuring that the bottom of the second partition 2 will not shift during sliding, further improving the overall stability of the separator. This bottom guide groove and protrusion structure increases the connection strength between the bottom of the first vertical plate 9 and the second vertical plate 11, and can effectively withstand a certain lateral force, allowing the separator to better withstand the weight and pressure of the items and to be less prone to deformation and damage.

[0051] The first vertical plate 9 has a downward-opening third guide groove 24 near the bottom of the second protrusion 23. The second bottom plate 12 has several third protrusions 25, with at least one third protrusion 25 embedded in the third guide groove 24. In this application, the first protrusion 21 is connected to the second guide groove 22, and the second protrusion 23 is connected to the third guide groove 24, thus limiting the relative displacement of the first partition 1 and the second partition 2 in their vertical direction. The connection between the third protrusion 25 and the third guide groove 24 further limits the relative displacement of the first partition 1 and the second partition 2 in their front-back direction. Combined with the limiting function of the top sliding groove 3, the connection structure of this application is stable.

[0052] The rest of the contents of Example 2 are the same as those of Example 1.

[0053] The present application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present application. The descriptions of the embodiments above are only for the purpose of helping to understand the present application and its core ideas. It should be noted that those skilled in the art can make several improvements and modifications to the present application without departing from the principles of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A telescoping drawer divider assembly, comprising: The first partition (1) and the second partition (2) are both L-shaped plate structures. The upper part of the first partition (1) is provided with a groove (3) along the length direction. The top of the second partition (2) is inserted into the groove (3) to form an inverted T-shaped separator. When the first partition (1) or the second partition (2) is subjected to force, the second partition (2) moves along the groove (3) to change the length of the separator. The second partition (2) is provided with a row of toothed grooves (4) near the groove (3). The first partition (1) is provided with a buckle (5) that can be flipped. The buckle (5) is provided with a tooth (6). When the buckle (5) is pressed down, the tooth (6) is inserted into the toothed groove (4), and the first partition (1) and the second partition (2) are fixed in the length direction. When the buckle (5) is flipped up, the tooth (6) is disengaged from the toothed groove (4), and the first partition (1) and the second partition (2) are telescopic.

2. The telescoping drawer divider assembly of claim 1, wherein, The first partition (1) and the second partition (2) are each provided with a support plate (7) at one end away from each other. The support plate (7) is vertically arranged to contact the drawer wall. A buffer pad (8) is provided on the side of the support plate (7) that contacts the drawer wall.

3. The telescoping drawer divider assembly of claim 1, wherein, The first partition (1) includes a first vertical plate (9) and a first bottom plate (10). The first vertical plate (9) and the first bottom plate (10) are arranged perpendicularly to each other to form an L-shaped structure. The support plate (7) is perpendicular to the first vertical plate (9) and the first bottom plate (10). The second partition (2) includes a second vertical plate (11) and a second bottom plate (12). The second vertical plate (11) and the second bottom plate (12) are arranged perpendicularly to each other to form an L-shaped structure. The support plate (7) is perpendicular to the first vertical plate (9) and the first bottom plate (10).

4. The telescoping drawer divider assembly of claim 3, wherein, The first base plate (10) and the second base plate (12) are located on the same plane and are connected to each other.

5. The retractable drawer divider assembly according to claim 3, characterized in that, The top of the first vertical plate (9) is bent downward to form a groove (3). The longitudinal section of the groove (3) is an inverted U-shaped structure. The top of the second vertical plate (11) is bent into an L-shaped connecting part (13). The upper part of the connecting part (13) is inserted into the groove (3). A row of toothed grooves (4) are regularly arranged on the lower top surface of the connecting part (13).

6. The retractable drawer divider assembly according to claim 1, characterized in that, The tooth groove (4) is an inverted trapezoidal structure, and the structure of the locking tooth (6) is adapted to the structure of the tooth groove (4).

7. The retractable drawer divider assembly according to claim 1, characterized in that, The first partition (1) has a slot (14) at the top. The fastener (5) is installed in the slot (14). One end of the fastener (5) is connected to the first partition (1) through a pivot (15). The other end of the fastener (5) is provided with a protrusion (16). A recess (17) is provided on one side wall of the slot (14) corresponding to the protrusion (16). When the fastener (5) is pressed down, the protrusion (16) is embedded in the recess (17).

8. The retractable drawer divider assembly according to claim 7, characterized in that, The first partition (1) has a first notch (18) with an arc segment structure at the corresponding recess (17), and the bottom of the buckle (5) has a second notch (19) with an upward concave shape.

9. The retractable drawer divider assembly according to claim 5, characterized in that, There is a gap between the middle of the first vertical plate (9) and the second vertical plate (11). A first guide groove (20) is provided in the middle of one side of the first vertical plate (9) along its length direction. A first protrusion (21) is provided in the middle of the second vertical plate (11) corresponding to the first guide groove (20). The first protrusion (21) is at least partially embedded in the first guide groove (20).

10. The retractable drawer divider assembly according to claim 5, characterized in that, The bottom of the second vertical plate (11) is provided with a second guide groove (22) along its length direction. The bottom of the first vertical plate (9) is provided with a second protrusion (23) corresponding to the second guide groove (22). The second protrusion (23) is at least partially embedded in the second guide groove (22). The bottom of the first vertical plate (9) is provided with a third guide groove (24) with its opening facing downward near the second protrusion (23). The second bottom plate (12) is provided with a plurality of third protrusions (25), and at least one third protrusion (25) is embedded in the third guide groove (24).

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