An improved drawer adjustment structure

Abstract

An improved drawer adjustment structure, comprising a side plate body and a movable slide rail. The side plate body is made of a metal material, and a planar side surface portion is provided thereon. The lower part of the side surface portion extends downward, and a supporting portion is integrally bent or separately provided. A notch is provided below the supporting portion, and a front buckle portion is provided on the notch and can be detachably buckled with the movable slide rail to achieve the detachable fitting connection between the side plate body and the movable slide rail; a vertical adjustment member for adjusting the vertical position of the side plate body relative to the movable slide rail is further provided on the notch. Through the improvement of the above structure, the present invention not only simplifies the assembly process of the side plate body and the movable slide rail, makes the assembly between the two more rapid, improves the assembly efficiency, but also facilitates the user to adjust the vertical position between the side plate body and the movable slide rail to improve the overall aesthetics of the drawer. The planar side surface portion can also avoid the problem of the reduction of the internal storage space of the drawer and increase the internal storage capacity of the drawer.

Description

Technical Field

[0001] The present invention relates to an improved drawer adjustment structure. Background Art

[0002] Chinese Patent Document No. CN103479101A discloses a drawer side plate structure, which includes a side plate, a bottom plate, and a slide rail assembly for opening and closing the drawer. The side plate is provided with a front connecting member connecting to the front panel and a rear connecting member connecting to the rear panel. The side plate is integrally formed by metal or at least composed of two metal profiles separately arranged and then fixed together, and a cavity is formed inside. The front connecting member and / or the rear connecting member are fixedly arranged in the cavity; a fixing portion is horizontally arranged inwardly on the side plate, and the bottom plate is arranged on the fixing portion and acts on the moving slide rail of the slide rail assembly at least when the drawer is loaded. It is said that the side plate of the above structure is at least composed of two steel profiles, namely a side plate outer shell and a supporting upper rail. The thickness of the side plate outer shell is less than the width of the moving slide rail, and at least part of the inner wall is vertical and is provided with at least one bending portion extending outward to connect with the supporting upper rail; a fixing portion is horizontally arranged inwardly on the supporting upper rail, and the bottom plate is arranged on the fixing portion, effectively reducing the length of the bottom plate, thereby reducing the production cost; however, in order to enable the side plate to be connected to the front panel and the rear panel respectively, a cavity is formed inside the side plate outer shell, and then a front connecting member and a rear connecting member connecting to the front panel and the rear panel are respectively arranged in the cavity. The setting of the cavity will cause an increase in the volume of the side plate, resulting in a decrease in the internal storage space of the drawer, affecting the storage of items by users. At the same time, the up and down position of the drawer cannot be adjusted, unable to meet the usage requirements of users. Therefore, it is necessary to further improve. Summary of the Invention

[0003] The purpose of the present invention is to provide an improved drawer adjustment structure to overcome the deficiencies in the prior art that the side plate has a large volume, the drawer has a small storage space, and the up and down position of the drawer cannot be adjusted.

[0004] An improved drawer adjustment structure designed according to this purpose includes a side plate body and a moving slide rail, and is characterized in that: the side plate body is made of metal material and is provided with a planar side surface portion thereon. The lower part of the side surface portion extends downward and is integrally bent or separately arranged with a supporting portion. A notch is arranged below the supporting portion, and a front buckle portion is arranged on the notch to be detachably buckled with the moving slide rail to realize the detachable and cooperative connection between the side plate body and the moving slide rail; a vertical adjustment member for adjusting the up and down position of the side plate body relative to the moving slide rail is also arranged on the notch.

[0005] A connecting bracket is arranged on the notch, and the vertical adjustment member is movably arranged on the connecting bracket and its upper surface moves up and down relative to the moving slide rail when moving.

[0006] A guiding inclined portion is arranged between the up-down adjusting member and the movable slide rail; when the up-down adjusting member moves, it acts on the movable slide rail through the guiding inclined portion, and its upper surface moves up and down relative to the movable slide rail.

[0007] The connecting bracket is located in the notch and fixedly arranged at the bottom of the supporting part; the rear end of the movable slide rail is provided with a rear buckle part, and is buckled on the drawer bottom plate or the side plate body through the rear buckle part.

[0008] The inner end of the supporting part is bent downward as a whole or separately provided with a supporting part, and a gap is formed between the outer side of the supporting part and the outer side of the bottom and / or side part of the supporting part; the movable slide rail relies on the inner side of the supporting part, and is provided with a front buckle matching part which is detachably buckled with the front buckle part.

[0009] A transition component is arranged on the notch, which is integrally formed with the connecting bracket or separately arranged, and an elastic part and a front buckle part are arranged on it; one end of the elastic part elastically acts on the front buckle part, and the other end elastically acts on the transition component or the connecting bracket; the front buckle part is arranged on the front buckle part; the front buckle part is elastically movable on the transition component through the elastic part, and when elastically moving, the front buckle part and the front buckle matching part are buckled or disengaged with each other, so as to realize a detachable and mating connection between the side panel body and the movable slide rail.

[0010] The connecting bracket is provided with a screw and a gear, one side of the gear is connected to the screw threaded transmission, and the other side is meshed with the up and down adjusting pieces; the up and down adjusting pieces are anti-retreat movable forward and backward on the connecting bracket through the cooperation of the screw and the gear, and when moving forward and backward, they are guided and inclined on the movable slide rail through the guiding inclined part, and their upper surface moves up and down relative to the movable slide rail.

[0011] The supporting portion is located at the lower part of the side portion and is integrally bent toward the inner side of the side portion, or one supporting portion is provided and is separately provided at the inner side of the lower part of the side portion, or a plurality of supporting portions are provided, a certain distance is formed between the plurality of supporting portions, and the plurality of supporting portions are separately provided at the inner side of the lower part of the side portion.

[0012] The side part is a planar sheet metal part, the inner side and / or outer side of which is basically vertical, and the inner sides of the front and rear ends of the side part are respectively integrally bent with a front connecting part and a rear connecting part; the front connecting part is provided with a front fastening position and / or a transverse hole; the rear connecting part is provided with a rear fastening position.

[0013] The structure also includes a drawer bottom plate.

[0014] The top of the side portion is flush with the top of the front connecting portion and the top of the rear connecting portion, or the top of the side portion extends upward and forms a step between the top of the front connecting portion and / or the top of the rear connecting portion.

[0015] The side parts are respectively connected with a drawer front panel and a drawer back panel through a front connecting part and a rear connecting part.

[0016] The drawer bottom plate is separately arranged and supported on the upper surfaces of a supporting part, a movable slide rail and an up-and-down adjusting part, or the drawer bottom plate is integrally arranged on the supporting part and supported on the upper surfaces of the movable slide rail and the up-and-down adjusting part.

[0017] The up-and-down adjusting part moves on the notch position, and when moving, drives the drawer bottom plate to move up and down relative to the movable slide rail through its upper surface, so as to realize the up-and-down position adjustment between the side plate body and the movable slide rail.

[0018] A rear buckling part is arranged at the rear end of the movable slide rail, and the movable slide rail is buckled on the drawer bottom plate or the side plate body through the rear buckling part.

[0019] Through the improvement of the above structure, the present invention makes the side plate body made of a metal material, thereby simplifying the production process of the side plate body, making the production of the side plate body more convenient, reducing the production cost. Subsequently, a supporting part is integrally bent or separately arranged at the lower part of the planar side surface part, and a notch position is arranged below the supporting part. A front buckling part detachably buckled with the movable slide rail and an up-and-down adjusting part for adjusting the up-and-down position of the side plate body relative to the movable slide rail are respectively arranged at the notch position. Not only does it simplify the assembly process of the side plate body and the movable slide rail, making the assembly between the two faster and improving the assembly efficiency, but also it can facilitate the user to adjust the up-and-down position between the side plate body and the movable slide rail to improve the overall aesthetics of the drawer; moreover, since the front buckling part and the up-and-down adjusting part are respectively located at the notch position, the problem that the two occupy the internal space of the drawer can be effectively reduced, so as to increase the internal storage capacity of the drawer, enable the user to store more objects, and avoid the problem that the user accidentally touches the front buckling part and the up-and-down adjusting part when opening and closing the drawer, resulting in unstable use of the drawer and easy injury to the user, so as to improve the use stability and safety of the drawer; and, the planar side surface part can also avoid the problem that in the prior art, a cavity is formed inside the side plate shell, resulting in less internal storage space of the drawer, thereby further increasing the internal storage capacity of the drawer, enabling the user to store more objects and improving the user experience.

[0020] Generally speaking, it has the characteristics of simple and reasonable structure, excellent performance, low manufacturing cost, fast assembly, large bearing space, neat and beautiful appearance, etc., and has strong practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic assembly structure diagram of the first embodiment of the present invention.

[0022] Figure 2 It is another schematic assembly structure diagram of the first embodiment of the present invention.

[0023] Figure 3 Schematic diagram of the assembled structure after omitting the front panel of the drawer according to the first embodiment of the present invention.

[0024] Figure 4 Exploded view of the structure after omitting the bottom panel of the drawer according to the first embodiment of the present invention.

[0025] Figure 5 Schematic diagram of the assembled structure after omitting the bottom panel of the drawer according to the first embodiment of the present invention.

[0026] Figure 6 Another schematic diagram of the assembled structure after omitting the bottom panel of the drawer according to the first embodiment of the present invention.

[0027] Figure 7 is Figure 3 Schematic diagram of the structure cut along line A-A in

[0028] Figure 8 Exploded view of the front fastening member, screw, gear, connecting bracket, up and down adjusting member, and elastic member according to the first embodiment of the present invention.

[0029] Figure 9 Schematic diagram of the assembled structure of the front fastening member, screw, gear, connecting bracket, up and down adjusting member, and elastic member according to the first embodiment of the present invention.

[0030] Figure 10 , Figure 11 Schematic diagram of the moving process of the front fastening member and the up and down adjusting member according to the first embodiment of the present invention.

[0031] Figure 12 Schematic diagram of the side plate body structure according to the first embodiment of the present invention.

[0032] Figure 13 Schematic diagram of the side plate body structure according to the second embodiment of the present invention.

[0033] Figure 14 Schematic diagram of the side plate body structure according to the third embodiment of the present invention.

[0034] Figure 15 Schematic diagram of the side plate body structure according to the fourth embodiment of the present invention

[0035] Figure 16 Schematic diagram of the side plate body and the drawer bottom plate according to the fifth embodiment of the present invention.

[0036] Figure 17 Schematic diagram of the side plate body and the drawer bottom plate according to the sixth embodiment of the present invention.

[0037] Figure 18 Schematic diagram of the side plate body structure according to the seventh embodiment of the present invention. Detailed implementation manners

[0038] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0039] First Embodiment

[0040] See Figures 1 - 12 , this improved drawer adjustment structure includes a side plate body 1 and a movable slide rail 2. The side plate body 1 is made of a metal material, and a planar side surface portion 3 is provided thereon. The lower part of the side surface portion 3 extends downward and is separately provided with a support portion 4. A notch 5 is provided below the support portion 4. A front fastening portion 6 is provided on the notch 5 and is detachably and mutually fastened to the movable slide rail 2 to achieve the detachable and cooperative connection between the side plate body 1 and the movable slide rail 2; a vertical adjustment member 7 for adjusting the vertical position of the side plate body 1 relative to the movable slide rail 2 is further provided on the notch 5.

[0041] The side plate body 1 is made of a metal material, thereby simplifying the production process of the side plate body 1, making the production of the side plate body 1 more convenient, reducing the production cost. Subsequently, a support portion 4 is separately provided at the lower part of its planar side surface portion 3. A notch 5 is provided below the support portion 4. A front fastening portion 6 detachably and mutually fastened to the movable slide rail 2 and a vertical adjustment member 7 for adjusting the vertical position of the side plate body 1 relative to the movable slide rail 2 are respectively provided on the notch 5. This not only simplifies the assembly process of the side plate body 1 and the movable slide rail 2, makes the assembly between the two more rapid, improves the assembly efficiency, but also facilitates the user to adjust the vertical position between the side plate body 1 and the movable slide rail 2 to improve the overall aesthetics of the drawer; moreover, since the front fastening portion 6 and the vertical adjustment member 7 are respectively located on the notch 5, the problem of the two occupying the internal space of the drawer can be effectively reduced, so as to increase the internal storage capacity of the drawer, enable the user to store more items, and avoid the user accidentally touching the front fastening portion 6 and the vertical adjustment member 7 when the drawer is opened and closed, resulting in unstable use of the drawer and the user being easily injured, so as to improve the use stability and safety of the drawer.

[0042] This structure further includes a drawer bottom plate 8. The drawer bottom plate 8 in this embodiment is preferably a wooden bottom plate, which is separately provided and supported on the upper surfaces of the support portion 4, the movable slide rail 2 and the vertical adjustment member 7. Among them, in addition to being made of wood material, the drawer bottom plate 8 can also be made of other materials, which are all within the protection scope of this technology.

[0043] A connecting bracket 9 is provided on the notch 5. The vertical adjustment member 7 is movably arranged on the connecting bracket 9, and when it moves, its upper surface drives the drawer bottom plate 8 to move up and down relative to the movable slide rail 2 to achieve the vertical position adjustment between the side plate body 1 and the movable slide rail 2.

[0044] A guiding inclined portion 10 is provided between the upper and lower adjusting member 7 and the movable slide rail 2; when the upper and lower adjusting member 7 is moving, it acts on the movable slide rail 2 through the guiding inclined portion 10, and the upper surface drives the drawer bottom plate 8 to move up and down relative to the movable slide rail 2, so as to realize the up and down position adjustment between the side panel body 1 and the movable slide rail 2.

[0045] The connecting bracket 9 is located in the notch 5 and fixedly arranged at the bottom of the supporting portion 4; the rear end of the movable slide rail 2 is provided with a rear buckle portion 11, and is buckled to the drawer bottom plate 8 or the side plate body 1 through the rear buckle portion 11.

[0046] The inner end of the supporting part 4 is integrally bent downward to form a supporting part 12, and a notch 5 is formed between the outer side of the supporting part 12 and the bottom of the supporting part 4 and the outer side of the side part 3; the movable slide rail 2 relies on the inner side of the supporting part 12, and is provided with a front buckle matching part 13 which can be detachably buckled with the front buckle part 6.

[0047] The notch 5 is provided with a transition component 14, which is integrally formed with the connecting bracket 9 or separately provided, and is provided with an elastic member 15 and a front buckle member 16. In order to save space, the transition component 14 of this embodiment is integrally formed with the connecting bracket 9. One end of the elastic member 15 elastically acts on the front buckle member 16, and the other end elastically acts on the transition component 14 or the connecting bracket 9; the front buckle portion 6 is provided on the front buckle member 16; the front buckle member 16 elastically moves on the transition component 14 through the elastic member 15, and when elastically moving, the front buckle portion 6 and the front buckle matching portion 13 are mutually buckled or disengaged, so as to realize the detachable matching connection between the side plate body 1 and the movable slide rail 2.

[0048] A screw rod 17 and a gear 18 are provided on the connecting bracket 9, one side of the gear 18 is threadedly connected to the screw rod 17, and the other side is meshedly connected to the up and down adjusting member 7; the up and down adjusting member 7 is anti-retreatably movable forward and backward on the connecting bracket 9 through the cooperation of the screw rod 17 and the gear 18, and when moving forward and backward, it acts on the movable slide rail 2 through the guiding inclined portion 10, and the upper surface drives the drawer bottom plate 8 to move up and down relative to the movable slide rail 2.

[0049] There are a plurality of support parts 4 , with a certain interval between them, and they are separately arranged on the inner side of the lower part of the side part 3 . Since there are a plurality of support parts 4 , the production cost can be saved.

[0050] The side portion 3 is a planar sheet metal part, and its inner side and / or outer side are basically vertical. The inner side and outer side of the side portion 3 of this embodiment are basically vertical. The planar side portion 3 can avoid the problem of forming a cavity inside the side panel shell in the prior art, resulting in less storage space inside the drawer, thereby further increasing the storage capacity inside the drawer, allowing users to store more objects and improving user experience.

[0051] On the inner sides of the front and rear ends of the side face portion 3, a front connecting portion 19 and a rear connecting portion 20 are integrally bent respectively; a front fastening position 21 and a transverse hole 22 are provided on the front connecting portion 19; a rear fastening position 23 is provided on the rear connecting portion 20. The side face portion 3 is connected to a drawer front panel and a drawer rear panel through the front connecting portion 19 and the rear connecting portion 20 respectively.

[0052] The front connecting portion 19 and the rear connecting portion 20 are integrally bent at the front and rear ends of the side face portion 3 respectively, so that the side plate body 1 can be connected to the drawer front panel and the drawer rear panel respectively through the front connecting portion 19 and the rear connecting portion 20, thereby effectively simplifying the assembly process of the side plate body 1, the drawer front panel and the drawer rear panel, making the assembly among the three faster, improving the assembly efficiency. At the same time, since the side face portion 3, the front connecting portion 19 and the rear connecting portion 20 are integrally bent and formed, the production process of the side plate body 1 can be effectively simplified, making the production of the side plate body 1 more convenient and reducing the production cost.

[0053] Among them, the transverse hole 22 can realize the left - right position adjustment of the drawer front panel. When the user adjusts the drawer front panel left - right, first, loosen the fasteners acting on the front fastening position 21 and the transverse hole 22, and then, through the transverse guiding action between the fastener and the transverse hole 22, the left - right position adjustment of the drawer front panel can be realized. After the drawer front panel is adjusted in place, lock the fasteners on the front fastening position 21 and the transverse hole 22.

[0054] The top of the side face portion 3 is flush with the tops of the front connecting portion 19 and the rear connecting portion 20. The flush side face portion 3, front connecting portion 19 and rear connecting portion 20 can effectively save the production cost of the side plate body 1, thereby further reducing the production cost.

[0055] Second Embodiment

[0056] See Figure 13 , this improved drawer adjustment structure is different from the first embodiment in that: there is one supporting portion 4, and it is separately arranged on the inner side of the lower part of the side face portion 3.

[0057] Other parts not described are the same as those in the first embodiment.

[0058] Third Embodiment

[0059] See Figure 14 , this improved drawer adjustment structure is different from the first embodiment in that: the lower part of the side face portion 3 extends downward and is integrally bent with a supporting portion 4.

[0060] The inner end of the supporting portion 4 is integrally bent downward with a relying portion 12, and a notch position 5 is formed between the outer side of the relying portion 12 and the bottom of the supporting portion 4.

[0061] Other parts not described are the same as those in the first embodiment.

[0062] Fourth Embodiment

[0063] Refer to Figure 15 , the improved drawer adjustment structure is different from the first embodiment in that: the lower part of the side face 3 extends downward and is integrally bent with a supporting part 4.

[0064] The inner end of the supporting part 4 is integrally bent downward with a relying part 12, and a notch 5 is formed between the outer side of the relying part 12, the bottom of the supporting part 4 and the outer side of the side face 3.

[0065] Other parts not described are the same as those in the first embodiment.

[0066] Fifth Embodiment

[0067] Refer to Figure 16 , the improved drawer adjustment structure is different from the first embodiment in that: the drawer bottom plate 8 is a metal sheet metal part, which is separately arranged and supported above the supporting part 4, the moving slide rail 2 and the up and down adjusting part 7.

[0068] Other parts not described are the same as those in the first embodiment.

[0069] Sixth Embodiment

[0070] Refer to Figure 17 , the improved drawer adjustment structure is different from the first embodiment in that: the drawer bottom plate 8 is integrally arranged on the supporting part 4 and is supported above the moving slide rail 2 and the up and down adjusting part 7.

[0071] Other parts not described are the same as those in the first embodiment.

[0072] Seventh Embodiment

[0073] Refer to Figure 18 , the improved drawer adjustment structure is different from the first embodiment in that: the top of the side face 3 extends upward and forms a step 24 between the top of the front connecting part 19 and / or the top of the rear connecting part 20.

[0074] In order to ensure the assembly stability of the drawer rear panel and the side panel body 1 and effectively block the rear part of the drawer, in this embodiment, it is preferred that a step 24 is formed between the top of the side face 3 and the top of the front connecting part 19.

[0075] The above design of this embodiment is to enable the side panel body 1 to be connected to a drawer front panel with a higher size. Due to the setting of the step 24, when the side panel body 1 is connected to the drawer front panel with a higher size, there will be no problems such as front-back movement and left-right shaking.

[0076] When the side plate body 1 is connected to the drawer front panel with a relatively small height, there will be a gap between the upper part of the side plate body 1 and the upper part of the drawer front panel. This gap allows the user's hand to directly reach in and pull out the entire drawer, eliminating the need to separately set a handle on the drawer front panel, saving the production cost of the drawer and improving the overall appearance neatness of the drawer at the same time.

[0077] Other parts not described are the same as those in the first embodiment.

[0078] The above is the preferred solution of the present invention, showing and describing the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of the present invention claimed is defined by the appended claims and their equivalents.

Claims

1. An improved drawer adjustment structure, comprising a side panel body (1) and a movable slide rail (2), Features: The side panel body (1) is made of metal material and is provided with a flat side surface (3). The lower part of the side surface (3) extends downward and is provided with a support portion (4) which is bent integrally or separately. A notch (5) is provided below the support portion (4). A front buckle (6) is provided on the notch (5) and can be detachably buckled with the movable slide rail (2) to achieve a detachable and mating connection between the side panel body (1) and the movable slide rail (2). The notch (5) is also provided with an up and down adjustment member (7) for adjusting the up and down position of the side panel body (1) relative to the movable slide rail (2). A connecting bracket (9) is arranged on the notch (5), and an upper and lower adjusting member (7) is movably arranged on the connecting bracket (9), and its upper surface moves up and down relative to the movable slide rail (2) when moving; A guiding inclined portion (10) is provided between the up-down adjusting member (7) and the movable slide rail (2); when the up-down adjusting member (7) is moving, the guiding inclined portion (10) guides and tilts the movable slide rail (2), and the upper surface thereof moves up and down relative to the movable slide rail (2); The inner end of the supporting part (4) is bent downwards integrally or separately to form a supporting part (12), and a notch (5) is formed between the outer side of the supporting part (12) and the outer side of the bottom and / or side part (3) of the supporting part (4); the movable slide rail (2) is supported on the inner side of the supporting part (12), and a front buckle matching part (13) is provided thereon to be detachably buckled with the front buckle part (6); The notch (5) is provided with a transition component (14), the transition component (14) and the connecting bracket (9) are integrally formed or separately provided, and an elastic member (15) and a front buckle member (16) are provided on the transition component; one end of the elastic member (15) elastically acts on the front buckle member (16), and the other end elastically acts on the transition component (14) or the connecting bracket (9); the front buckle member (6) is provided on the front buckle member (16); the front buckle member (16) elastically moves on the transition component (14) through the elastic member (15), and when elastically moving, the front buckle member (6) and the front buckle matching portion (13) are mutually buckled or disengaged, so as to realize a detachable matching connection between the side plate body (1) and the movable slide rail (2); The connecting bracket (9) is provided with a screw rod (17) and a gear (18); one side of the gear (18) is threadedly connected to the screw rod (17), and the other side is meshedly connected to the up-down adjusting member (7); the up-down adjusting member (7) moves forward and backward on the connecting bracket (9) through the cooperation of the screw rod (17) and the gear (18) in an anti-retraction manner, and when moving forward and backward, it acts on the movable slide rail (2) through the guiding inclined portion (10), and its upper surface moves up and down relative to the movable slide rail (2).

2. According to the improved drawer adjustment structure of claim 1, Features: The connecting bracket (9) is located in the notch (5) and is fixedly arranged at the bottom of the supporting part (4).

3. The improved drawer adjustment structure according to any one of claims 1-2, characterized in that: the supporting part (4) is located at the lower part of the side surface part (3) and is integrally bent towards the inner side of the side surface part (3), or there is one supporting part (4) and it is separately arranged at the inner side of the lower part of the side surface part (3), or there are several supporting parts (4), a certain distance is formed between the several supporting parts (4), and they are separately arranged at the inner side of the lower part of the side surface part (3).

4. The improved drawer adjustment structure according to claim 3, characterized in that: the side surface part (3) is a flat sheet metal part, its inner side and / or outer side is basically perpendicular, and the front connecting part (19) and the rear connecting part (20) are integrally bent at the inner sides of the front and rear ends of the side surface part (3) respectively; the front fastening position (21) and / or the transverse hole (22) are arranged on the front connecting part (19); the rear fastening position (23) is arranged on the rear connecting part (20).

5. The improved drawer adjustment structure according to claim 4, characterized in that: it further includes a drawer bottom plate (8); the top of the side surface part (3) is flush with the tops of the front connecting part (19) and the rear connecting part (20), or the top of the side surface part (3) extends upward and forms a step position (24) with the top of the front connecting part (19) and / or the rear connecting part (20); the side surface part (3) is respectively connected with a drawer front panel and a drawer rear panel through the front connecting part (19) and the rear connecting part (20); the drawer bottom plate (8) is separately arranged and supported on the upper surfaces of the supporting part (4), the movable slide rail (2) and the up-and-down adjusting part (7), or the drawer bottom plate (8) is integrally arranged on the supporting part (4) and supported on the upper surfaces of the movable slide rail (2) and the up-and-down adjusting part (7); the up-and-down adjusting part (7) moves on the notch position (5) and drives the drawer bottom plate (8) to move up and down relative to the movable slide rail (2) through its upper surface during movement, so as to realize the up-and-down position adjustment between the side plate body (1) and the movable slide rail (2); the rear end of the movable slide rail (2) is provided with a rear buckling part (11) and is buckled on the drawer bottom plate (8) or the side plate body (1) through the rear buckling part (11).

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