Drawing basket drawer with hidden roller sliding mechanism

By incorporating a concealed roller sliding mechanism between the drawer and pull-out basket, the problems of traditional drawer slides taking up space and accumulating dust are solved, resulting in a compact, aesthetically pleasing, smooth, and safe user experience.

CN223873545UActive Publication Date: 2026-02-06SHANGRAO KUTAI KITCHEN PROD CO LTD
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Patent Information

Application Number
CN202520423697.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-02-06
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

The current method of installing pull-out baskets inside drawers results in thicker slides, which takes up space, affects aesthetics, and is prone to dust accumulation and oil leakage, leading to a poor user experience.

Method used

The system employs a concealed roller sliding mechanism, with the slide groove and rollers hidden inside the side plate. This avoids increasing the thickness of the side plate and ensures that the width of the pull-out basket is not reduced. Furthermore, the system enhances stability and safety through a reset locking and unfolding limit mechanism.

Benefits of technology

It improves the storage space and aesthetics of the pull-out basket, avoids obstruction during sliding and accumulation of foreign objects, ensures smoothness and safety, and enhances the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pull-out basket drawer with a hidden roller sliding mechanism, which comprises a drawer and a pull-out basket, and the hidden roller sliding mechanism capable of enabling the pull-out basket to slide along the front-back direction in the drawer is arranged between first side plates on the left side and the right side of the drawer and second side plates on the left side and the right side of the corresponding pull-out basket. Each set of hidden roller sliding mechanism comprises a first sliding groove, a second sliding groove, a first roller and a second roller, the first sliding groove is formed in the first side plate, the second sliding groove is formed in the second side plate, the first roller is installed at the front end of the second side plate, and the second roller is installed at the rear end of the first side plate; the first rolling wheel is embedded in the first sliding groove in the first side plate on the corresponding side, and the second rolling wheel is embedded in the second sliding groove in the second side plate on the corresponding side. The hidden roller sliding mechanisms are hidden in the first side plate and the second side plate of the corresponding set, the width size of the pull basket cannot be compressed, and it is guaranteed that the pull basket has a large storage space. The pull basket is compact and reasonable in installation layout in the drawer and good in attractiveness, and the use experience of a user is improved to a great extent.
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Description

TECHNICAL FIELD

[0001] The utility model relates to drawer storage technical field, concretely relates to a pull basket drawer with hidden type gyro wheel sliding mechanism. BACKGROUND

[0002] Drawer is the most common storage component in furniture and cabinet storage, which can effectively store articles, and is convenient to push and pull to the outside of the cabinet to take and put articles, and the drawer is stored in the cabinet to have good dustproof and hidden effect. At present, many drawers on the market will install an inner pull basket which can be pushed and pulled forward and backward in the drawer, so as to divide the single-layer storage space in the drawer into multi-layer storage space, so as to realize the article classification storage effect and improve the utilization rate of the space in the drawer.

[0003] At present, the installation mode of the pull basket in the drawer is generally that the pull basket is slidably installed in the drawer through the slide rail arranged between the side plate of the pull basket and the side plate of the drawer. The installation mode of the pull basket in the drawer has the following problems: on the one hand, the thickness dimension of the slide rails located on both sides of the pull basket is large, which occupies part of the space in the drawer, so that the width dimension of the pull basket is reduced, the storage space of the pull basket is reduced, and the structure of the drawer is not compact and beautiful; on the other hand, the slide rails are exposed between the side plate of the pull basket and the side plate of the drawer, which is easy to cause dust accumulation, oil leakage and clamping of foreign matters, thereby affecting the user experience. Therefore, the utility model provides a pull basket drawer with a hidden type gyro wheel sliding mechanism to solve the above technical problems. SUMMARY

[0004] The utility model aims at overcoming the defects in the prior art, providing a pull basket drawer with a hidden type gyro wheel sliding mechanism, abandoning the traditional guide rail sliding mechanism, setting the hidden type gyro wheel sliding mechanism between the corresponding two groups of side plate one and side plate two between the drawer and the pull basket, hiding the sliding groove and the gyro wheel of the hidden type gyro wheel sliding mechanism in the corresponding one group of side plate one and side plate two, and the thickness dimension of the hidden type gyro wheel sliding mechanism is small, which will not increase the thickness of the side plate one and the side plate two, will not compress the width dimension of the pull basket, and ensures that the pull basket has a large storage space; the gap dimension between the side plate two of the pull basket and the side plate one of the drawer is small, which ensures that the installation and layout of the pull basket in the drawer is compact and reasonable, has good appearance, effectively prevents the occurrence of the phenomenon that the guide rail is blocked by dust accumulation, oil leakage and clamping of foreign matters, and greatly improves the user experience; the hidden type gyro wheel sliding mechanism has a clever and reasonable structure design, the gyro wheel one and the sliding groove one cooperatively support the front end of the pull basket, the gyro wheel two and the sliding groove two cooperatively support the part corresponding to the rear end of the drawer at the rear side of the pull basket, so that the pull basket is always in parallel state during the forward and backward sliding process, that is, the smoothness of the pull basket during the forward and backward sliding process is ensured.

[0005] To achieve the above object, the technical scheme of the utility model is designed as a pull basket drawer with hidden roller sliding mechanism, which comprises a drawer and a pull basket, a group of hidden roller sliding mechanisms capable of enabling the pull basket to slide in the drawer along the front-back direction are respectively arranged between the side plate one on the left side of the drawer and the side plate two on the left side of the pull basket and between the side plate one on the right side of the drawer and the side plate two on the right side of the pull basket, each group of the hidden roller sliding mechanism comprises a sliding groove one, a sliding groove two, a roller one and a roller two, the sliding groove one is opened on the inner side surface of the side plate one, the sliding groove two is opened on the outer side surface of the side plate two, the roller one is rotatably installed on the outer side surface front end of the side plate two, the roller two is rotatably installed on the inner side surface rear end of the side plate one, and the roller one is embedded in the sliding groove one on the corresponding side plate one, and the roller two is embedded in the sliding groove two on the corresponding side plate two.

[0006] The pull basket drawer with hidden roller sliding mechanism of the utility model discards the traditional guide rail sliding mechanism, sets the hidden roller sliding mechanism between the corresponding two groups of side plate one and side plate two between the drawer and the pull basket, hides the sliding groove and the roller of the hidden roller sliding mechanism in the corresponding group of side plate one and side plate two, and the thickness size of the hidden roller sliding mechanism is small, so that the thickness of the side plate one and the side plate two is not additionally increased, the width size of the pull basket is not compressed, the pull basket has a large storage space, the gap size between the side plate two of the pull basket and the side plate one of the drawer is small, the installation layout of the pull basket in the drawer is compact and reasonable, the appearance is good, the phenomenon of dust accumulation, oil leakage and sliding obstruction after clamping foreign matters on the guide rail is effectively prevented, and the use experience of the user is greatly improved.

[0007] Preferably, the side plate one and the side plate two are cut from aluminum profiles, the angle code connector one provided at the front and back ends of the side plate one forms the plug cover of the corresponding sliding groove one, and the angle code connector two provided at the front and back ends of the side plate two forms the plug cover of the corresponding sliding groove two. The side plate one and the side plate two are cut from aluminum profiles, so that the pull basket drawer of the utility model can be cut flexibly according to any size requirement; the angle code connector forms the plug cover of the corresponding sliding groove, effectively avoids the roller from sliding out of the corresponding sliding groove, and ensures the safety of the pull basket during front-back sliding.

[0008] Further preferred technical solutions also have, the rear end of the side plate one and the rear end of the corresponding side plate two are provided with reset clamping mechanism, the reset clamping mechanism has two states of unlocking and locking:

[0009] When the reset clamping mechanism is in the unlocking state, the pull basket can reciprocate in the drawer;

[0010] When the reset clamping mechanism is in the locking state, the pull basket and the drawer are connected together;

[0011] The side plate one and the corresponding side plate two are provided with an expansion limiting mechanism for limiting the maximum expansion stroke of the pull basket. When the pull basket is completely stored in the drawer, the reset clamping mechanism connects the pull basket and the drawer together, effectively avoiding the pull basket reciprocating in the drawer, ensuring the stability of the pull basket drawer during transportation, installation and use. The expansion limiting mechanism limits the maximum expansion stroke of the pull basket, avoiding the pull basket sliding too far backward and causing the center of gravity to fall to the outside of the rear side of the drawer, which may cause the pull basket to break off from the drawer. The use safety of the pull basket when sliding backward is ensured.

[0012] Further preferred technical solutions also have, the rear end of the side plate one and the rear end of the corresponding side plate two are provided with reset clamping mechanism, the reset clamping mechanism has two states of unlocking and locking:

[0013] When the reset clamping mechanism is in the unlocking state, the pull basket can reciprocate in the drawer;

[0014] When the reset clamping mechanism is in the locking state, the pull basket and the drawer are connected together;

[0015] Further preferred technical solutions also have, the outer side of the second side plate front end fixed with the anti-collision block, the anti-collision block is located at the rear side of the corresponding roller one, and the anti-collision block is movably embedded in the sliding groove one inside the corresponding one side plate one, the anti-collision block and the corner code connector one located at the rear end of the corresponding sliding groove one constitute the unfolding limiting mechanism. The unfolding limiting mechanism is cleverly and reasonably designed, when the basket is unfolded to the rear side of the drawer, the anti-collision block located at the rear side of the roller one first contacts the corner code connector one at the rear end of the corresponding sliding groove one, so that the hard collision of the roller one and the corner code connector one is avoided, which helps to prolong the service life of the roller one.

[0016] Further preferred technical solutions also have, the limiting block is of rubber material or nylon material, and the anti-collision block is of rubber material. The limiting block is made of rubber material or nylon material with certain elasticity, so that when the limiting column slides into the arc-shaped clamping groove through the opening, the limiting block has certain elastic buffering and sound absorption effect on the limiting column, effectively avoiding the hard collision and abnormal noise of the limiting column and the limiting block made of metal material; similarly, the anti-collision block is made of rubber with certain elasticity, and when the basket is unfolded to the rear side of the drawer, the anti-collision block has certain buffering effect when colliding with the corner code connector one, so that hard collision and abnormal noise are avoided, and user experience is further improved.

[0017] Further preferred technical solutions also have, the corner code connector one has a forwardly extending supporting arm on one side face towards the inside of the drawer, and the second roller is installed on the supporting arm. The second roller is installed on the supporting arm, which improves the installation firmness of the second roller compared with the mode of being directly installed on the side plate one, and helps to reduce the assembly and processing difficulty of the drawer and improve the assembly and processing efficiency of the drawer.

[0018] The advantages and beneficial effects of the utility model lie in:

[0019] 1. The utility model discloses a pull basket drawer with hidden roller sliding mechanism, abandon the traditional guide rail sliding mechanism, through the hidden roller sliding mechanism who sets up between corresponding two groups of side plate no. 1 and side plate no. 2 between drawer and pull basket, and make the sliding groove and the roller of hidden roller sliding mechanism hide in the inside of corresponding one group's side plate no. 1 and side plate no. 2, and the thickness size of hidden roller sliding mechanism is smaller, will not extra increase the thickness of side plate no. 1 and side plate no. 2, also will not compress the width size of pull basket, ensure that pull basket has larger storage space, the gap size that leaves between the side plate no. 2 of pull basket and the side plate no. 1 of drawer is very small, ensure that pull basket installs the layout compact reasonable, the good appearance in the inside of drawer, effectively prevent the phenomenon that the dust, oil leakage, clamp foreign matter after sliding are blocked to occur on guide rail, greatly improve the user's use experience, the structure design of hidden roller sliding mechanism is ingenious and reasonable, and the roller no. 1 and the sliding groove no. 1 cooperate and support the front end of pull basket, the roller no. 2 and the sliding groove no. 2 cooperate and support the corresponding part of pull basket rear side and drawer rear end, thereby ensure that pull basket is always in parallel state in the process of sliding forward and backward, that is, ensure the smoothness in the process of sliding forward and backward of pull basket.

[0020] 2. The utility model discloses a side plate no. 1 and side plate no. 2 all are cut from aluminium profile, the angle code connector no. 1 of being equipped with the both ends of side plate no. 1 forms the plug cover of corresponding sliding groove no. 1 both ends port, the angle code connector no. 2 of being equipped with the both ends of side plate no. 2 forms the plug cover of corresponding sliding groove no. 2 both ends port. Side plate no. 1 and side plate no. 2 all are cut from aluminium profile, thereby ensure that the pull basket drawer of the utility model can be cut flexibly according to any size requirement, and the angle code connector forms the plug cover of corresponding sliding groove both ends, effectively avoids the roller to slip out from the inside of corresponding sliding groove, ensures the safety when pull basket slides forward and backward.

[0021] 3. When pull basket is completely housed in the inside of drawer, reset clamping mechanism makes pull basket and drawer clamping connection together, effectively avoids pull basket reciprocating sliding in the inside of drawer, ensures the stability of the pull basket drawer of the utility model in the process of transportation, installation and use, and the maximum unfolding stroke of unfolding limiting mechanism is limited to pull basket, avoids pull basket to slide backward and cause the center of gravity to fall to the outside of drawer rear side and cause pull basket to break off from drawer to occur, ensures the use safety when pull basket slides backward and opens.

[0022] 4. Reset clamping mechanism structure design is ingenious and reasonable, and the opening on limiting block is provided with the slope surface structure that gradually expands outward from back to front, convenient for limiting column sliding into the inside of circular arc clamping groove, and the minimum caliber size of opening is less than the outer diameter of limiting column, effectively prevents limiting column from sliding out from the inside of circular arc clamping groove on limiting block, thereby ensures the stability and safety of the pull basket drawer of the utility model in the process of transportation, installation and use.

[0023] 5. The extension limiting mechanism has a clever and reasonable structural design. When the pull-out basket slides to the back of the drawer, the anti-collision block located behind the roller first contacts the corner bracket connector at the rear end of the corresponding slide rail first, thereby avoiding a hard collision between the roller and the corner bracket connector, which helps to extend the service life of the roller.

[0024] 6. The limiting block is made of rubber or nylon, and the anti-collision block is made of rubber. The limiting block is made of rubber or nylon with a certain degree of elasticity, so that when the limiting post slides into the arc-shaped groove through the opening, the limiting block provides elastic cushioning and sound absorption, effectively preventing the metal limiting post from colliding with the limiting block and causing noise. Similarly, the anti-collision block is made of rubber with a certain degree of elasticity. When the pull-out basket unfolds to the rear of the drawer, the anti-collision block and the corner bracket connector collide, providing cushioning and preventing hard collision noise, further improving the user experience.

[0025] 7. The corner bracket connector has a forward-extending support arm on the side facing the inside of the drawer, and the second roller is mounted on the support arm. Mounting the second roller on the support arm, compared to directly mounting it on the side panel, improves the installation stability of the second roller and helps reduce the difficulty and efficiency of drawer assembly. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the unfolded state of a pull-out basket drawer with a hidden roller sliding mechanism according to this utility model;

[0027] Figure 2 This is a schematic diagram of the pull-out basket structure;

[0028] Figure 3 yes Figure 2 A magnified view of a section at point H in the middle;

[0029] Figure 4 This is a structural diagram of the drawer;

[0030] Figure 5 yes Figure 4 A magnified view of a section at point S in the middle;

[0031] Figure 6 This is a partial structural diagram of the limit post and the limit block in the locked state;

[0032] Figure 7 This is a sectional view showing the assembly relationship of roller 1, roller 2, side plate 1, and side plate 2.

[0033] In the diagram: 1. Drawer; 2. Pull-out basket; 3. Roller 1; 4. Roller 2; 1-1. Side panel 1; 1-2. Slide groove 1; 1-3. Corner bracket connector 1; 1-3a. Support arm; 1-4. Limiting post; 2-1. Side panel 2; 2-2. Slide groove 2; 2-3. Limiting block; 2-3a. Arc-shaped groove; 2-3b. Opening; 2-4. Corner bracket connector 2; 2-5. Anti-collision block. Detailed Implementation

[0034] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0035] Example

[0036] like Figures 1 to 7 As shown, this utility model is a pull-out drawer with a concealed roller sliding mechanism, including a drawer 1 and a pull-out basket 2. A set of concealed roller sliding mechanisms is provided between the left side panel 1-1 of the drawer 1 and the left side panel 2-1 of the pull-out basket 2, and between the right side panel 1-1 of the drawer 1 and the right side panel 2-1 of the pull-out basket 2. Each set of concealed roller sliding mechanisms includes a slide groove 1-1. 2. Slide groove 2-2, roller 3 and roller 4. Slide groove 1-2 is formed on the inner side of side plate 1-1, slide groove 2-2 is formed on the outer side of side plate 2-1, roller 3 is rotatably mounted on the front end of the outer side of side plate 2-1, and roller 4 is rotatably mounted on the rear end of the inner side of side plate 1-1. Roller 3 is embedded in slide groove 1-2 on the corresponding side plate 1-1, and roller 4 is embedded in slide groove 2-2 on the corresponding side plate 2-1.

[0037] Preferably, both side plate 1-1 and side plate 2-1 are cut from aluminum profiles. The corner bracket connectors 1-3 at the front and rear ends of side plate 1-1 form the plugs at the front and rear ends of the corresponding slide groove 1-2. The corner bracket connectors 2-4 at the front and rear ends of side plate 2-1 form the plugs at the front and rear ends of the corresponding slide groove 2-2.

[0038] More preferably, a reset and locking mechanism is provided between the rear end of the first side plate 1-1 and the rear end of the corresponding second side plate 2-1, the reset and locking mechanism having two states: unlocked and locked.

[0039] When the reset locking mechanism is in the unlocked state, the pull-out basket 2 can slide back and forth relative to the drawer 1;

[0040] When the reset clamping mechanism is in the locked state, the pull basket 2 and the drawer 1 are clamped and connected together;

[0041] The side plate one 1-1 and the corresponding side plate two 2-1 are provided with an unfolding limiting mechanism for limiting the maximum unfolding stroke of the pull basket 2.

[0042] Further preferably, a limiting column 1-4 extending to the inside of the drawer 1 is fixed on the corner connector one 1-3 at the rear end of the side plate one 1-1, the axial center line of the limiting column 1-4 is perpendicular to the side plate one 1-1, the rear end of the sliding groove two 2-2 is fixed with a limiting block 2-3, the limiting block 2-3 is provided with an opening 2-3b and a circular arc clamping groove 2-3a facing the front side, the axial center line of the circular arc clamping groove 2-3a is perpendicular to the side plate two 2-1, the opening 2-3b is provided with a slope surface structure gradually expanding outward from the rear to the front, and the minimum diameter of the opening 2-3b is smaller than the outer diameter of the limiting column 1-4, the limiting column 1-4 is embedded and matched with the circular arc clamping groove 2-3a, and the circular arc clamping groove 2-3a, the opening 2-3b and the limiting column 1-4 on the limiting block 2-3 constitute the reset clamping mechanism.

[0043] When the reset clamping mechanism is in the unlocked state, the limiting column 1-4 is slidably inserted into the sliding groove two 2-2 on the corresponding side plate two 2-1.

[0044] When the reset clamping mechanism is in the locked state, the limiting column 1-4 is clamped into the corresponding circular arc clamping groove 2-3a through the corresponding opening 2-3b.

[0045] Further preferably, the outer side of the side plate two 2-1 is fixed with an anti-collision block 2-5 at the front end, the anti-collision block 2-5 is located at the rear side of the corresponding roller one 3, and the anti-collision block 2-5 is movably embedded in the sliding groove one 1-2 on the corresponding side plate one 1-1, and the anti-collision block 2-5 and the corner connector one 1-3 at the rear end of the sliding groove one 1-2 constitute the unfolding limiting mechanism.

[0046] Further preferably, the limiting block 2-3 is made of rubber or nylon, and the anti-collision block 2-5 is made of rubber.

[0047] Further preferably, the corner connector one 1-3 has a forwardly extending supporting arm 1-3a on one side facing the inside of the drawer 1, and the roller two 4 is installed on the supporting arm 1-3a.

[0048] Working principle: in normal state, the pull basket 2 is retracted into the inside of the drawer 1, and the reset clamping mechanism is in the locked state, at this time, the limiting column 1-4 is embedded and clamped into the corresponding circular arc clamping groove 2-3a (see FIG. 2B), and the pull basket 2 is clamped and connected with the drawer 1. Figure 6); when the user needs to use the space of the drawer 1 located at the bottom of the pull basket 2, the drawer 1 is pulled forward to the outside of the cabinet body, and then the pull basket 2 is slightly pushed backward to the drawer 1 to make the reset clamping mechanism change from the locked state to the unlocked state, at this time, the limiting column 1-4 is slid from the inside of the corresponding arc-shaped clamping groove 2-3a to the inside of the corresponding sliding groove two 2-2 through the opening 2-3b, and then the pull basket 2 is continuously pushed to the rear side to avoid the rear end space of the drawer 1 (see the drawing 2-3b in the accompanying drawings) Figure 1 ); after the taking and placing of the articles is completed, the pull basket 2 is pulled forward to reset to the inside of the drawer 1, at this time, the reset clamping mechanism changes from the locked state to the locked state again, and finally the drawer 1 is pushed backward to reset to the inside of the cabinet body.

[0049] The pull basket drawer with the hidden roller sliding mechanism has the advantages that the traditional guide rail sliding mechanism is abandoned, the hidden roller sliding mechanism is arranged between the corresponding two groups of side plates one and side plates two between the drawer and the pull basket, the sliding groove and the roller of the hidden roller sliding mechanism are hidden in the corresponding group of side plates one and side plates two, the thickness size of the hidden roller sliding mechanism is small, the thickness of the side plates one and side plates two is not additionally increased, the width size of the pull basket is not compressed, and the pull basket has a large storage space; the gap size between the side plates two of the pull basket and the side plates one of the drawer is small, the installation and layout of the pull basket in the drawer are compact and reasonable, the appearance is good, the phenomenon of dust accumulation, oil leakage and sliding blockage due to clamping of foreign matters on the guide rail is effectively eliminated, and the use experience of the user is greatly improved; the hidden roller sliding mechanism is cleverly and reasonably designed, the roller one and the sliding groove one cooperatively support the front end of the pull basket, the roller two and the sliding groove two cooperatively support the position corresponding to the rear end of the drawer at the rear side of the pull basket, and therefore the pull basket is always in a parallel state during forward and backward sliding, that is, the smoothness of the pull basket during forward and backward sliding is ensured.

[0050] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the technical principles of the utility model, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A pull-out basket drawer with a concealed roller slide mechanism, characterized in that The drawer (1) and the pull basket (2) are provided with a group of hidden roller sliding mechanisms between the side plate one (1-1) on the left side of the drawer (1) and the side plate two (2-1) on the left side of the pull basket (2), and between the side plate one (1-1) on the right side of the drawer (1) and the side plate two (2-1) on the right side of the pull basket (2), respectively, which can make the pull basket (2) slide in the drawer (1) along the front and back directions. Each group of the hidden roller sliding mechanism includes a sliding groove one (1-2), a sliding groove two (2-2), a roller one (3) and a roller two (4). The sliding groove one (1-2) is opened on the inner side of the side plate one (1-1), the sliding groove two (2-2) is opened on the outer side of the side plate two (2-1), the roller one (3) is rotatably installed on the outer side of the side plate two (2-1) at the front end, the roller two (4) is rotatably installed on the inner side of the side plate one (1-1) at the rear end, and the roller one (3) is embedded in the sliding groove one (1-2) on the corresponding side plate one (1-1), and the roller two (4) is embedded in the sliding groove two (2-2) on the corresponding side plate two (2-1).

2. The pull-out basket drawer with a hidden roller slide mechanism according to claim 1, characterized in that, The side plate one (1-1) and the side plate two (2-1) are cut from aluminum profiles, and the corner code connector one (1-3) provided at the front and rear ends of the side plate one (1-1) forms the plug cover of the corresponding sliding groove one (1-2) at the front and rear ports, and the corner code connector two (2-4) provided at the front and rear ends of the side plate two (2-1) forms the plug cover of the corresponding sliding groove two (2-2) at the front and rear ports.

3. The pull-out basket drawer with a hidden roller slide mechanism according to claim 2, characterized in that, The rear end of the side plate one (1-1) and the rear end of the corresponding side plate two (2-1) are provided with a reset clamping mechanism, which has two states of unlocking and locking: When the reset clamping mechanism is in the unlocking state, the pull basket (2) can slide back and forth relative to the drawer (1); When the reset clamping mechanism is in the locking state, the pull basket (2) and the drawer (1) are clamped and connected together; The side plate one (1-1) and the corresponding side plate two (2-1) are provided with an expansion limiting mechanism for limiting the maximum expansion stroke of the pull basket (2).

4. The pull-out basket drawer with a hidden roller slide mechanism according to claim 3, characterized in that, The corner connector one (1-3) at the rear end of the side plate one (1-1) is fixed with a limiting column (1-4) extending to the inside of the drawer (1), the axial center line of the limiting column (1-4) is perpendicular to the side plate one (1-1), the rear end of the sliding groove two (2-2) is fixed with a limiting block (2-3), the limiting block (2-3) is provided with an opening (2-3b) and a circular arc-shaped clamping groove (2-3a) facing the front side, the axial center line of the circular arc-shaped clamping groove (2-3a) is perpendicular to the side plate two (2-1), the opening (2-3b) is provided as a slope structure gradually expanding outward from rear to front, and the minimum diameter of the opening (2-3b) is smaller than the outer diameter of the limiting column (1-4), the limiting column (1-4) and the circular arc-shaped clamping groove (2-3a) are embedded and matched, and the circular arc-shaped clamping groove (2-3a), the opening (2-3b) and the limiting column (1-4) on the limiting block (2-3) constitute the reset clamping mechanism. When the reset clamping mechanism is in the unlocked state, the limiting column (1-4) is slidably inserted into the sliding groove two (2-2) on the corresponding side plate two (2-1). When the reset clamping mechanism is in the locked state, the limiting column (1-4) is clamped in the corresponding circular arc-shaped clamping groove (2-3a) beyond the corresponding opening (2-3b).

5. The pull-out basket drawer with a hidden roller slide mechanism according to claim 4, characterized in that, The outer side of the side plate two (2-1) is fixed with a bumper block (2-5) at the front end, the bumper block (2-5) is located at the rear side of the corresponding roller one (3), and the bumper block (2-5) is movably embedded in the sliding groove one (1-2) on the corresponding side plate one (1-1), and the bumper block (2-5) and the corner connector one (1-3) at the rear end of the corresponding sliding groove one (1-2) constitute the unfolding limiting mechanism.

6. The pull-out basket drawer with a hidden roller slide mechanism according to claim 5, characterized in that, The limiting block (2-3) is made of rubber or nylon material, and the bumper block (2-5) is made of rubber material.

7. The pull-out basket drawer with a hidden roller slide mechanism according to any one of claims 2 to 6, characterized in that, The corner connector one (1-3) has a forwardly extending supporting arm (1-3a) on the side facing the inside of the drawer (1), and the roller two (4) is installed on the supporting arm (1-3a).