An adjustment structure for a device placement area

Abstract

A regulating structure for a device receiving area comprises left and right side plates and a slide rail assembly, wherein the lower parts of the left and right side plates are respectively provided with a supporting part and a leaning part; the side plates can be detachably mounted on the slide rail assembly, and the slide rail assembly leans on the inner side of the leaning part during assembly; a receiving device is provided between the left and right supporting parts, and the receiving device comprises left and right bases, which are respectively supported on the left and right supporting parts and / or the left and right slide rail assemblies, and at least three cross bar telescopic assemblies arranged in front, middle and rear are provided between each other, and a longitudinal bar is provided between the front, middle and rear cross bar telescopic assemblies; when the front, middle and rear cross bar telescopic assemblies and the longitudinal bars are movable, they form a receiving area where devices can be placed and the longitudinal and / or lateral dimensions can be adjusted; a positioning adjustment component assembly is provided on the front cross bar telescopic assembly, and / or the middle cross bar telescopic assembly, and / or the rear cross bar telescopic assembly, and / or the longitudinal bar; the device is placed on the receiving area, and its side positioning acts on the positioning adjustment component assembly during placement.

Description

Technical Field

[0001] The invention relates to an adjusting structure for a device holding area. Background Art

[0002] Chinese patent document number CN111086803A disclosed a drawer-type concealed trash can on May 1, 2020, which includes a trash can, a flat plate, a drawer rail and a connecting device, and the connecting device is either an L-shaped corner code or a wooden strip. It is said that the above structure combines the trash can, the flat plate and the drawer rail into one. Usually, the trash can is hidden in the vacant space under the bottom plate of the furniture and is pulled out when needed, eliminating the two major disadvantages of the trash can placed in the room, which is stumbling and unsightly. However, the space in the kitchen is of different sizes, and the size of the drawer is designed according to the space in the kitchen. At the same time, the size of the trash can is different. The drawer size of the above structure is fixed and can only be used to conceal a trash can of a single size. It has large limitations in use and poor flexibility. Moreover, after the trash can is placed, it occupies a large space inside the drawer, resulting in very little usable space inside the drawer, which cannot meet the user's use needs. Therefore, further improvements are necessary. Summary of the invention

[0003] The purpose of the present invention is to provide an adjustment structure for a device receiving area to overcome the shortcomings of the prior art that the size of the vacant space is fixed, only devices of a single size can be received, and the utilization rate of the receiving space is low.

[0004] An adjustment structure for a device placement area designed for this purpose includes left and right side panels and a slide rail assembly, and is characterized in that: support portions are respectively provided at the lower portions of the left and right side panels, and supporting portions are respectively provided on the left and right supporting portions; the side panels can be detachably arranged on the slide rail assembly, and when the two are assembled, the slide rail assembly relies on the inner side of the supporting portion.

[0005] A supporting device is arranged between the left and right supporting parts, and the supporting device includes left and right bases, which are respectively supported on the left and right supporting parts and / or the left and right slide rail assemblies, and at least three cross bar telescopic assemblies arranged in front, middle and rear are arranged between each other, and longitudinal bars are also arranged between the front, middle and rear cross bar telescopic assemblies.

[0006] The front, middle and rear crossbar telescopic components and the longitudinal bars form at least one receiving area for placing a device and adjustable longitudinal and / or lateral dimensions when they are movable.

[0007] The front crossbar telescopic assembly, and / or the middle crossbar telescopic assembly, and / or the rear crossbar telescopic assembly, and / or the longitudinal rod are provided with a positioning adjustment component assembly.

[0008] The device is placed on the receiving area, and when placed, its side positioning acts on the positioning adjustment component assembly.

[0009] The positioning adjustment component assembly includes at least a movable component, which is movably arranged on the front cross bar telescopic component, and / or the middle cross bar telescopic component, and / or the rear cross bar telescopic component, and / or the longitudinal bar, and fine-tunes the size of the receiving area when moving.

[0010] The movable part is provided with one and is movably arranged on the front cross bar telescopic assembly, and / or the middle cross bar telescopic assembly, and / or the rear cross bar telescopic assembly, and / or one side of the longitudinal rod. When the movable part moves, it fine-adjusts the size of one side of the receiving area.

[0011] Alternatively, two movable parts are provided, and the two movable parts are respectively movably provided on both sides of the front cross bar telescopic assembly, and / or the middle cross bar telescopic assembly, and / or the rear cross bar telescopic assembly, and / or the longitudinal bar, and the dimensions on both sides of the receiving area are finely adjusted when moving.

[0012] The positioning adjustment member assembly also includes an adjustment member, which is positioned and rotated on the front cross bar telescopic assembly, and / or the middle cross bar telescopic assembly, and / or the rear cross bar telescopic assembly, and / or the longitudinal rod, and is driven and connected to the movable member when rotating; the movable member is driven and telescopically moved on the front cross bar telescopic assembly, and / or the middle cross bar telescopic assembly, and / or the rear cross bar telescopic assembly, and / or the longitudinal rod by the adjustment member, and the size of the receiving area is fine-tuned when moving.

[0013] The movable part has at least one positioning portion extending toward the receiving area on its side, and the movable part fine-tunes the size of the receiving area through the at least one positioning portion when it moves; when the device is placed in the receiving area, its side positioning acts on the at least one positioning portion.

[0014] The device is supported and positioned on the receiving area, or suspended and positioned on the receiving area; the positioning adjustment component assembly is arranged on the middle crossbar telescopic assembly.

[0015] The front, middle and rear crossbar telescopic components are respectively provided with positioning pieces, and are respectively fixed and / or longitudinally movable between the left and right bases through the positioning pieces.

[0016] The front, middle and rear cross bar telescopic components and the longitudinal bars form an upper and lower spacing between the left and right bases through the positioning parts; when the device is placed in the receiving area, its front and / or rear positioning acts on the front cross bar telescopic component, and / or the positioning adjustment component component, and / or the rear cross bar telescopic component, the outer side positioning acts on the longitudinal bars, and the two sides of the bottom respectively support the left and right bases and / or the left and right slide rail assemblies.

[0017] Alternatively, when the device is placed in the receiving area, its front and / or rear positioning acts on the front crossbar telescopic assembly, and / or the positioning adjustment component assembly, and / or the rear crossbar telescopic assembly, and the outer side suspension positioning acts on the longitudinal rod.

[0018] The two ends of the front, middle and rear cross bar telescopic components are respectively provided with sliding parts for transverse sliding; the longitudinal bars are provided with at least two, and they slide transversely between the front, middle and rear cross bar telescopic components through sliding parts respectively, so as to realize the adjustable transverse size of the receiving area.

[0019] The middle crossbar telescopic assembly slides longitudinally between the front crossbar telescopic assembly and the rear crossbar telescopic assembly through the cooperation of the longitudinal rod and the sliding member, so as to achieve the adjustment of the longitudinal size of the receiving area.

[0020] The middle crossbar telescopic assembly includes a middle movable rod and left and right movable rods; wherein, the outer ends of the left and right movable rods are respectively provided with positioning pieces, and are respectively longitudinally slidable and / or positionally supported on the left and right bases through the positioning pieces, and the inner ends of the left and right movable rods are respectively positionably slidably sleeved with the two ends of the middle movable rod.

[0021] The front crossbar telescopic assembly and the rear crossbar telescopic assembly respectively include a middle crossbar and left and right side crossbars; wherein, the outer ends of the left and right side crossbars are respectively provided with positioning pieces, and are respectively fixedly supported on the left and right bases through the positioning pieces, and the inner ends of the left and right side crossbars are respectively slidably connected with the two ends of the middle crossbar in a positionable manner.

[0022] The inner sides of the left and right bases are respectively provided with base receiving parts extending toward the inner sides of the side plates; the left and right bases are respectively supported on the left and right supporting parts and the slide rail assembly through the base receiving parts.

[0023] The present invention has the following advantages compared with the prior art through the improvement of the above structure:

[0024] 1. Support parts are respectively provided at the lower parts of the left and right side panels, and a placing device consisting of left and right bases and front, middle and rear cross bar telescopic components is placed between the left and right supporting parts, wherein the two ends of the front, middle and rear cross bar telescopic components can be fixed and / or longitudinally slid on the left and right bases, and the left and right bases are respectively supported on the left and right supporting parts and the left and right slide rail components, so that the placing device can be conveniently, efficiently and flexibly placed between the left and right side panels. At the same time, when placing components, the placing device can well exert the placing force on the left and right side panels and the left and right slide rail components to improve the placing stability of the placing device, and the user can also remove or place the placing device at will according to actual use requirements to improve the user experience.

[0025] 2. There are longitudinal bars that can move laterally on the front, middle and rear cross bar telescopic assemblies. When they are movable, they form at least one receiving area with adjustable longitudinal and transverse dimensions. Therefore, the user can adjust the transverse and longitudinal dimensions of the receiving area when in use, so that devices of different sizes and / or the same size can be arbitrarily positioned and received in receiving areas of different sizes and / or the same size and / or in different positions to meet the various receiving requirements of various devices, thereby effectively avoiding the problem of fixed drawer size in the prior art, which can only receive devices of a single size or fixed receiving position, so as to improve the receiving flexibility of devices, improve the utilization rate of the receiving space, and provide great convenience for users to receive devices.

[0026] 3. A positioning adjustment component assembly is provided on the front crossbar telescopic assembly, and / or the middle crossbar telescopic assembly, and / or the rear crossbar telescopic assembly, and / or the longitudinal bar. The positioning adjustment component assembly can not only fine-tune the size of the receiving area to compensate for the virtual position when the device is placed on the receiving area, further improving the receiving flexibility of the device, but also position the side of the device when the device is placed on the receiving area, so that the side of the device can be effectively supported and positioned after placement, preventing it from shaking and displacement due to inertia when the slide rail assembly slides open and closed, so as to ensure the stability of the device.

[0027] 4. Both ends of the front and rear cross bar telescopic assemblies are fixedly connected to the left and right bases respectively. At the same time, the front and rear cross bar telescopic assemblies can slide horizontally, so the lateral size adjustment of the entire supporting device can be achieved, thereby enabling the supporting device to be suitable for use in drawers with different inner widths, so as to improve the flexibility and application range of the supporting device.

[0028] In general, it has the characteristics of simple and reasonable structure, quick and convenient assembly, low manufacturing cost, good stability of device placement, high flexibility, wide range of use, etc., and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the exploded structure of the slide rail assembly, side panels, and the supporting device of the first embodiment of the present invention.

[0030] Figure 2 It is a schematic diagram of the assembly structure of the slide rail assembly, the side plate, and the supporting device of the first embodiment of the present invention.

[0031] Figure 3 This is a schematic diagram of the slide rail assembly, side panels, receiving device, and device assembly structure of the first embodiment of the present invention (partially enlarged).

[0032] Figure 4 , Figure 5 It is a schematic diagram of the supporting device and device assembly structure of the first embodiment of the present invention.

[0033] Figure 6 for Figure 5 The X in the figure is an enlarged schematic diagram of the structure.

[0034] Figure 7 , Figure 8 It is a schematic diagram of the assembly structure of the holding device of the first embodiment of the present invention.

[0035] Fig. 9 , Fig.10 It is a schematic diagram of the exploded structure of the holding device according to the first embodiment of the present invention.

[0036] Fig.11 It is a schematic diagram of the assembly structure of the positioning and adjusting member assembly according to the first embodiment of the present invention.

[0037] Fig.12 , Fig.13 It is a schematic diagram of the exploded structure of the positioning adjustment member assembly according to the first embodiment of the present invention.

[0038] Fig.14 , Fig.15 It is a schematic diagram (cross-sectional view) of the assembly structure of the positioning adjustment member assembly according to the first embodiment of the present invention.

[0039] Fig.16 , Fig.17 It is a schematic diagram of the supporting device and device assembly structure of the second embodiment of the present invention.

[0040] Fig.18 for Fig.17 The enlarged structural diagram at Y in FIG.

[0041] Fig.19 It is a schematic diagram of the assembly structure of the holding device according to the second embodiment of the present invention.

[0042] Fig. 20 It is a schematic diagram of the exploded structure of the holding device according to the second embodiment of the present invention.

[0043] Fig.21 It is a schematic diagram of the assembly structure of the positioning and adjusting member assembly according to the second embodiment of the present invention.

[0044] Fig. 22 , Fig.23 It is a schematic diagram of the exploded structure of the positioning adjustment member assembly according to the second embodiment of the present invention.

[0045] Fig.24 , Fig.25 It is a schematic diagram (cross-section view) of the assembly structure of the positioning adjustment member assembly according to the second embodiment of the present invention. DETAILED DESCRIPTION

[0046] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0047] First embodiment

[0048] See also Figure 1-Figure 15 The adjustment structure for the device holding area includes left and right side panels 1 and a slide rail assembly 2, the lower parts of the left and right side panels 1 are respectively provided with supporting parts 3, and the left and right supporting parts 3 are respectively provided with supporting parts 4; the side panels 1 can be detachably arranged on the slide rail assembly 2, and when the two are assembled, the slide rail assembly 2 relies on the inner side of the relying part 4.

[0049] A supporting device is arranged between the left and right supporting parts 3, and the supporting device includes left and right bases 5, which are respectively supported on the left and right supporting parts 3 and / or the left and right slide rail assemblies 2, and at least three cross bar telescopic assemblies arranged in front, middle and rear are arranged between each other, and a longitudinal rod 6 is also arranged between the front, middle and rear cross bar telescopic assemblies.

[0050] When the front, middle and rear crossbar telescopic components and the longitudinal rod 6 are movable, they mutually form at least one receiving area D for placing a device 7 and adjustable longitudinal and / or lateral dimensions.

[0051] The front crossbar telescopic assembly A, and / or the middle crossbar telescopic assembly B, and / or the rear crossbar telescopic assembly C, and / or the longitudinal bar 6 are provided with a positioning adjustment component assembly.

[0052] The device 7 is placed on the receiving area D, and when placed, its side positioning acts on the positioning adjustment component assembly.

[0053] Specifically, the positioning adjustment member assembly includes at least a movable member 8, which is movably arranged on the front cross bar telescopic assembly A, and / or the middle cross bar telescopic assembly B, and / or the rear cross bar telescopic assembly C, and / or the longitudinal bar 6, and fine-tunes the size of the receiving area D when moving.

[0054] The positioning adjustment member assembly also includes an adjustment member 9, which is positioned and rotated on the front cross bar telescopic assembly A, and / or the middle cross bar telescopic assembly B, and / or the rear cross bar telescopic assembly C, and / or the longitudinal rod 6, and is driven and connected to the movable member 8 when rotating; the movable member 8 is driven and telescopically moved on the front cross bar telescopic assembly A, and / or the middle cross bar telescopic assembly B, and / or the rear cross bar telescopic assembly C, and / or the longitudinal rod 6 by the adjustment member 9, and the size of the receiving area D is fine-tuned when moving.

[0055] At least one positioning portion 10 is provided on the side of the movable part 8 extending in the direction of the receiving area D. When the movable part 8 is moving, the size of the receiving area D is fine-tuned by the at least one positioning portion 10; when the device 7 is placed in the receiving area D, its side positioning acts on at least one positioning portion 10.

[0056] The movable member 8 is provided with one or two.

[0057] In this embodiment, there are two movable parts 8, which are respectively movably arranged on both sides of the front cross bar telescopic assembly A, and / or the middle cross bar telescopic assembly B, and / or the rear cross bar telescopic assembly C, and / or the longitudinal bar 6, and can fine-tune the dimensions of both sides of the receiving area D when moving.

[0058] Furthermore, the device 7 is supported and positioned on the receiving area D, and the positioning adjustment component assembly is arranged on the middle crossbar telescopic assembly B.

[0059] Furthermore, the front, middle and rear crossbar telescopic assemblies are respectively provided with positioning members 11 , and are respectively fixed and / or longitudinally movable between the left and right bases 5 by the positioning members 11 .

[0060] The two movable parts 8 are respectively arranged on the positioning parts 11 of the middle crossbar telescopic assembly B. The two movable parts 8 are respectively provided with two positioning parts 10 on both sides of the receiving area D, and an upper and lower spacing is formed between the two positioning parts 10; at the same time, the two movable parts 8 are also respectively provided with racks and protrusions.

[0061] The adjusting member 9 is positioned and rotated on the positioning member 11 of the middle crossbar telescopic assembly B, and a gear portion and an eccentric portion are respectively provided on the positioning member 11. The adjusting member 9 is driven and connected with the rack of one of the movable members 8 through the gear portion, and the adjusting member 9 is driven and connected with the convex portion of the other movable member 8 through the eccentric portion.

[0062] When the adjusting member 9 rotates, the two left and right positioning parts 10 are simultaneously driven to telescopically slide on both sides of the positioning member 11 of the middle crossbar telescopic assembly B. The two positioning parts 10 fine-tune the dimensions of both sides of the receiving area D when telescopically sliding.

[0063] The front, middle and rear cross bar telescopic assemblies and the longitudinal bars 6 form an upper and lower spacing with the left and right bases 5 through the positioning pieces 11; when the device 7 is placed in the receiving area D, its front and / or rear positioning acts on the front cross bar telescopic assembly A, and / or the positioning adjustment assembly, and / or the rear cross bar telescopic assembly C, the outer side positioning acts on the longitudinal bars 6, and the two sides of the bottom respectively act on the left and right bases 5 and / or the left and right slide rail assemblies 2 in a supporting manner.

[0064] Specifically, base receiving portions 17 are respectively provided on the inner sides of the left and right bases 5 and extend toward the inner sides of the side panels 1 ; the left and right bases 5 are respectively supported on the left and right supporting portions 3 and the slide rail assembly 2 through the base receiving portions 17 .

[0065] like Figure 3 As shown, when the device 7 is placed in the receiving area D, the two sides of its bottom are directly supported and positioned on the base receiving part 17, and are supported on the left and right supporting parts 3 and the slide rail assembly 2 through the base receiving part 17.

[0066] The two ends of the front, middle and rear cross bar telescopic assemblies are respectively provided with sliding members 12 for transverse sliding; the longitudinal bars 6 are provided with at least two, and they slide transversely between the front, middle and rear cross bar telescopic assemblies through the sliding members 12, so as to realize the adjustable transverse size of the receiving area D.

[0067] The middle crossbar telescopic assembly B slides longitudinally between the front crossbar telescopic assembly A and the rear crossbar telescopic assembly C through the cooperation of the longitudinal rod 6 and the sliding member 12, so that the longitudinal size of the receiving area D can be adjusted.

[0068] The middle crossbar telescopic assembly B includes a middle movable rod 13 and left and right movable rods 14; wherein, the outer ends of the left and right movable rods 14 are respectively provided with positioning members 11, and are respectively longitudinally slidably and / or positionally supported on the left and right bases 5 through the positioning members 11, and the inner ends of the left and right movable rods 14 are respectively positionably slidably sleeved with the two ends of the middle movable rod 13.

[0069] The front crossbar telescopic assembly A and the rear crossbar telescopic assembly C respectively include a middle crossbar 15 and left and right side crossbars 16; wherein, the outer ends of the left and right side crossbars 16 are respectively provided with positioning members 11, and are respectively fixedly supported on the left and right bases 5 by the positioning members 11, and the inner ends of the left and right side crossbars 16 are respectively slidably sleeved with the two ends of the middle crossbar 15 in a positionable manner.

[0070] Second embodiment

[0071] See also Figure 16-Figure 25 The present adjustment structure for the device receiving area is different from the first embodiment in that a bracket 20 is provided on the middle movable rod 13 of the middle cross bar telescopic assembly B.

[0072] The two movable members 8 are respectively arranged on the bracket 20 , and the two movable members 8 are respectively provided with a positioning portion 10 on both sides of the receiving area D; meanwhile, the two movable members 8 are also respectively provided with a rack and a convex portion.

[0073] The adjusting member 9 is positioned and rotatably mounted on the bracket 20 and is provided with a gear portion and an eccentric portion, respectively. The adjusting member 9 is driven and connected to the rack of one of the movable members 8 through the gear portion, and is driven and connected to the convex portion of the other movable member 8 through the eccentric portion.

[0074] When the adjusting member 9 rotates, the left and right positioning parts 10 are simultaneously driven to telescopically slide on both sides of the bracket 20 . When the positioning parts 10 telescopically slide, the dimensions of both sides of the receiving area D are finely adjusted.

[0075] The device 7 is placed on the receiving area D in a suspended manner.

[0076] Specifically, when the device 7 is placed in the receiving area D, its front and / or rear positioning acts on the front cross bar telescopic assembly A, and / or the positioning adjustment assembly, and / or the rear cross bar telescopic assembly C, and the outer side suspension positioning acts on the longitudinal bar 6.

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

[0078] The above is a preferred embodiment of the present invention, which shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. The present invention may have various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements fall within the scope of the present invention to be protected, and the scope of the present invention to be protected is defined by the attached claims and their equivalents.

Claims

1. An adjustment structure for a device placement area, comprising left and right side plates (1) and a slide rail assembly (2), characterized in that: The lower parts of the left and right side panels (1) are respectively provided with supporting parts (3), and the left and right supporting parts (3) are respectively provided with supporting parts (4); the side panels (1) are detachably provided on the slide rail assembly (2), and when the two are assembled, the slide rail assembly (2) is supported on the inner side of the supporting part (4); a supporting device is provided between the left and right supporting parts (3), and the supporting device comprises left and right bases (5), and the left and right bases (5) are respectively supported on the left and right supporting parts (3) and / or the left and right slide rail assemblies (2), and at least three cross bar telescopic assemblies arranged in front, middle and rear are provided between them, and the front, middle and rear cross bar telescopic assemblies are provided in a longitudinal direction. A longitudinal rod (6) is also arranged between the middle and rear crossbar telescopic assemblies; when the front, middle and rear crossbar telescopic assemblies and the longitudinal rod (6) are movable, at least one device (7) can be placed therebetween, as well as a receiving area (D) whose longitudinal and / or lateral dimensions can be adjusted; a positioning and adjusting component assembly is arranged on the front crossbar telescopic assembly (A), and / or the middle crossbar telescopic assembly (B), and / or the rear crossbar telescopic assembly (C), and / or the longitudinal rod (6); the device (7) is placed on the receiving area (D), and when placed, its side positioning acts on the positioning and adjusting component assembly; The positioning adjustment component assembly at least comprises a movable component (8), which is movably arranged on the front crossbar telescopic component (A), and / or the middle crossbar telescopic component (B), and / or the rear crossbar telescopic component (C), and / or the longitudinal bar (6), and finely adjusts the size of the receiving area (D) when moving; The movable member (8) is provided with one and is movably arranged on one side of the front crossbar telescopic assembly (A), and / or the middle crossbar telescopic assembly (B), and / or the rear crossbar telescopic assembly (C), and / or the longitudinal rod (6), and the movable member (8) finely adjusts the size of one side of the receiving area (D) when it is moved; or, the movable member (8) is provided with two, and the two movable members (8) are respectively movably arranged on both sides of the front crossbar telescopic assembly (A), and / or the middle crossbar telescopic assembly (B), and / or the rear crossbar telescopic assembly (C), and / or the longitudinal rod (6), and finely adjusts the size of both sides of the receiving area (D) when it is moved; The positioning adjustment member assembly also includes an adjustment member (9), which is positioned and rotated on the front crossbar telescopic assembly (A), and / or the middle crossbar telescopic assembly (B), and / or the rear crossbar telescopic assembly (C), and / or the longitudinal rod (6), and is drivingly connected to the movable member (8) when rotating; the movable member (8) is driven by the adjustment member (9) to telescope and move on the front crossbar telescopic assembly (A), and / or the middle crossbar telescopic assembly (B), and / or the rear crossbar telescopic assembly (C), and / or the longitudinal rod (6), and the size of the receiving area (D) is finely adjusted when moving.

2. The adjusting structure for the device receiving area according to claim 1, characterized in that: The movable member (8) is provided with at least one positioning portion (10) extending on the side thereof in the direction of the receiving area (D); when the movable member (8) is moving, the size of the receiving area (D) is finely adjusted by the at least one positioning portion (10); when the device (7) is placed in the receiving area (D), its side positioning acts on the at least one positioning portion (10).

3. The adjusting structure for the device holding area according to claim 1, characterized in that: The device (7) is supported and positioned on the receiving area (D), or suspended and positioned on the receiving area (D); the positioning adjustment component assembly is arranged on the middle crossbar telescopic assembly (B).

4. The adjusting structure for the device receiving area according to claim 1, characterized in that: The front, middle and rear cross bar telescopic assemblies are respectively provided with positioning members (11), and are respectively fixed and / or longitudinally movable between the left and right bases (5) through the positioning members (11); the front, middle and rear cross bar telescopic assemblies and the longitudinal bars (6) form a vertical spacing with the left and right bases (5) through the positioning members (11); when the device (7) is placed in the receiving area (D), its front and / or rear positioning acts on the front cross bar telescopic assembly (A), and / or the positioning adjustment member assembly, and / or the rear cross bar telescopic assembly (C), and its outer side positioning acts on the longitudinal bars (6), and its bottom positioning acts on the longitudinal bars (6). The two sides of the part are respectively supported and positioned on the left and right bases (5) and / or the left and right slide rail assemblies (2); or, when the device (7) is placed in the receiving area (D), its front and / or rear positioning acts on the front crossbar telescopic assembly (A), and / or the positioning adjustment component assembly, and / or the rear crossbar telescopic assembly (C), and the outer side suspension positioning acts on the longitudinal rod (6).

5. The adjusting structure for the device holding area according to claim 1, characterized in that: The two ends of the front, middle and rear cross bar telescopic assemblies are respectively provided with sliding members (12) for transverse sliding; at least two longitudinal bars (6) are provided, and they are respectively transversely slid between the front, middle and rear cross bar telescopic assemblies through the sliding members (12) to achieve the adjustment of the transverse size of the receiving area (D); the middle cross bar telescopic assembly (B) is longitudinally slid between the front cross bar telescopic assembly (A) and the rear cross bar telescopic assembly (C) through the cooperation of the longitudinal bars (6) and the sliding members (12) to achieve the adjustment of the longitudinal size of the receiving area (D).

6. The adjusting structure for the device receiving area according to claim 1, characterized in that: The middle crossbar telescopic assembly (B) comprises a middle movable rod (13) and left and right movable rods (14); wherein the outer ends of the left and right movable rods (14) are respectively provided with positioning members (11), and are respectively longitudinally slidably and / or positionally supported on the left and right bases (5) through the positioning members (11), and the inner ends of the left and right movable rods (14) are respectively positionably slidably sleeved with the two ends of the middle movable rod (13); the front crossbar telescopic assembly (A) and the rear crossbar telescopic assembly (C) respectively comprise a middle crossbar (15) and left and right crossbars (16); wherein the outer ends of the left and right crossbars (16) are respectively provided with positioning members (11), and are respectively fixedly supported on the left and right bases (5) through the positioning members (11), and the inner ends of the left and right crossbars (16) are respectively positionably slidably sleeved with the two ends of the middle crossbar (15).

7. The adjusting structure for the device receiving area according to claim 1, characterized in that: The inner sides of the left and right bases (5) are respectively provided with base receiving parts (17) extending toward the inner sides of the side plates (1); the left and right bases (5) are respectively supported on the left and right supporting parts (3) and the slide rail assembly (2) through the base receiving parts (17).

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