Computer tray structure based on frame cabinet door plate

Abstract

The utility model relates to a computer tray structure based on a frame cabinet door plate, and belongs to the technical field of cabinet accessory equipment. The device comprises a tray assembly additionally arranged on a cabinet door plate of the cabinet, and the tray assembly is installed on the inner surface of the door plate of the cabinet door plate. The tray assembly structurally comprises a tray body, and the bottom face of the tray body is fixedly connected with the bottom face of the movable support. A U-shaped groove of the static support is sleeved with the movable support, a pin shaft is inserted into a static support pin hole of the static support from inside to outside and penetrates through a kidney-shaped sleeve, a clamping groove is exposed out of a coaxial static support pin hole in the other side of the static support, a clamp spring is embedded into the clamping groove of the pin shaft through a tool clamp, and the static support and the movable support are connected. The static support bottom face of the static support is fixed to the inner surface of the door plate. On the premise that the strength and rigidity of the computer tray are ensured, the problems of light weight and high strength of a structure assembly are solved, and reversible switching between the unfolding state and the folding state of the tray is considered.

Description

Technical Field

[0001] The utility model relates to the technical field of cabinet accessories, in particular to a computer tray structure based on a frame cabinet door panel. Background Art

[0002] In a control cabinet, components after electrical assembly often contain devices such as integrated processors controlled by software like PLC. After completing the local networking of strong and weak electricity and the connection of sensor lines, comprehensive debugging needs to be carried out. At this time, the laptop computer of on-site debugging electrical engineers requires a temporary placement physical platform, and the common situation is to place it on the ground or hold it in the arms, or temporarily place it on various seats or stools.

[0003] To meet the on-site electrical debugging requirements of complete set customers, it is necessary to pre-install accessories specifically set for debuggers in the cabinet before shipment, and it must not occupy the precious space inside the cabinet.

[0004] In view of this, it is necessary to develop a computer tray structure based on a frame cabinet door panel to meet the needs of customers. Summary of the Utility Model

[0005] In view of the defects in the above-mentioned existing product technologies, the applicant of the present application considered that the cabinet door must be kept open before the electrical engineer conducts debugging. Therefore, the proper installation point of the computer tray structure must be set on the cabinet door panel, and it does not occupy any effective space inside the cabinet after folding. Therefore, the present application provides a computer tray structure based on a frame cabinet door panel, which ensures the light weight and high strength of the computer tray assembly while taking into account the reversible switching between the opened and folded states of the tray.

[0006] The technical solution adopted by the utility model is as follows: A computer tray structure based on a frame cabinet door panel, including a tray assembly added on the cabinet door panel of the cabinet, and the tray assembly is installed on the inner surface of the cabinet door panel; the structure of the tray assembly is: including a tray body, and the bottom surface of the tray body is fixedly connected to the bottom surface of the moving bracket of the moving bracket; it also includes: a static bracket, the U-shaped groove of the static bracket is sleeved outside the moving bracket, and a pin shaft is inserted into the pin hole of the static bracket from the inside to the outside and passes through the waist-shaped sleeve, and a clamping groove is exposed from the pin hole of the static bracket on the other side of the static bracket coaxially. A circlip is embedded into the clamping groove of the pin shaft with a tool clamp to complete the connection between the static bracket and the moving bracket; the bottom surface of the static bracket of the static bracket is fixed to the inner surface of the door panel.

[0007] As a further improvement of the above technical solution:

[0008] Preferably, the connection structure between the moving bracket and the tray body is to insert the through hole of the moving bracket of the moving bracket into the welding stud on the tray and screw in a nut so that the bottom surface of the moving bracket is tightly locked against the bottom surface of the tray.

[0009] Preferably, the structure of the tray body is as follows: it includes a tray bottom surface that fits against the bottom surface of the moving bracket, and also includes a tray top surface for carrying the equipment; on the left and right sides of the tray top surface, first flanges are vertically downwardly provided; on the front side of the tray top surface, a second flange is vertically downwardly provided, and a third flange is inwardly provided at the end of the second flange; on the rear side of the tray top surface, a fourth flange is vertically downwardly provided, and tray notches are provided at the left and right positions of the fourth flange. The tray notches are used for fitting with the moving bracket and also reserve an avoidance space for folding.

[0010] Preferably, the structure of the moving bracket is as follows: it includes a moving bracket bottom surface that is connected to the tray body, and a moving bracket through hole is provided on the moving bracket bottom surface; moving bracket side edges are vertically downwardly provided on both sides of the moving bracket bottom surface, and moving bracket waist-shaped holes are provided at the contact ends of the moving bracket side edges and the static bracket; the moving bracket end surface of the moving bracket is coplanar and flush with the static bracket end surface of the static bracket.

[0011] Preferably, on the moving bracket waist-shaped hole, a first axis and a second axis are arranged parallel to each other in the horizontal direction, and a third axis is arranged vertically; the first axis coincides with the axis of the static bracket; the distances from the first axis and the second axis of the moving bracket to the moving bracket end surface are equal to the radius of the arc, the distance from the second axis to the moving bracket top surface is also equal to the radius of the arc, and the moving bracket end surface and the moving bracket top surface are perpendicular to each other.

[0012] Preferably, the structure of the static bracket is as follows: it includes a static bracket bottom surface fixed to the inner surface of the door panel, and a static bracket through hole is provided on the static bracket bottom surface, and the static bracket through hole is used for connecting with the cabinet door panel; static bracket side edges are oppositely arranged on the static bracket, and there is a static bracket inner surface between the oppositely arranged static bracket side edges. Through static bracket pin holes are provided on the oppositely arranged static bracket side edges 4. The distance from the static bracket axis of the static bracket pin hole to the static bracket end surface is equal to the distance to the static bracket inner surface, and is equal to the radius of the arc of the moving bracket. The oppositely arranged static bracket side edges of the static bracket are embedded in the moving bracket side edges of the moving bracket; when the moving bracket and the static bracket are paired, when the second axis of the moving bracket coincides with the static bracket axis of the static bracket and the moving bracket top surface contacts the static bracket inner surface.

[0013] Preferably, the structure of the waist-shaped sleeve is as follows: the inner surface of the waist-shaped sleeve of the waist-shaped sleeve and the outer surface of the waist-shaped sleeve enclose an equal-wall-thickness oblong stretching body, and a stepped structure is provided on the end surface side of the waist-shaped sleeve, which is composed of a waist-shaped sleeve assembly surface and a waist-shaped sleeve limiting surface that are perpendicular to each other; the waist-shaped sleeve is inserted into the moving bracket waist-shaped hole from the inner side of the moving bracket with the waist-shaped sleeve assembly surface until the waist-shaped sleeve limiting surface abuts against the inner side surface of the moving bracket side edge, and then the waist-shaped sleeve is welded to the moving bracket by argon arc welding to form an integrated structure.

[0014] Preferably, the structure of the pin shaft is as follows: it includes a pin shaft smooth rod fixed on the static support; a clamping groove for exposure is arranged at one end of the pin shaft smooth rod, and a snap ring is embedded in the clamping groove; a flange is arranged at the other end of the pin shaft smooth rod; the static support can switch between rotation and sliding under the constraints of the flange and the snap ring of the pin shaft compared with the moving support.

[0015] The beneficial effects of the present utility model are as follows:

[0016] The structure of the present utility model is compact. It adopts multiple point-line-plane interaction constraints between the moving support, the waist-shaped sleeve, the static support and the pin shaft, obtaining two states of the initial state and the final state of the moving support relative to the static support, and through an intermediate transition state, with the help of external force, the two-way operation between the initial state and the final state is reversible; due to the self-weight of the tray and the additional external load participating in the maintenance of the open and held state, the number of parts of the component computer tray can be compressed to the minimum: after the tray, the moving support and the waist-shaped sleeve form a single structure, the remaining main parts are only the static support and the pin shaft; at the places where the internal force of the components is concentrated, measures are taken to make the contact area between the inner surface of the waist-shaped sleeve and the pin shaft smooth rod fixed on the static support as large as possible at the final state, so as to greatly reduce the local contact stress; the U-groove design of the outer shapes of the moving support and the static support and the co-directional flanging design of the tray are adopted, which can make the combined strength and stiffness formed after assembly reach the optimum, so as to realize the lightweight of the part-level structure and finally meet the set requirements of light weight and high strength. Description of the Drawings

[0017] Figure 1 It is a schematic structural diagram of the tray assembly of the present utility model.

[0018] Figure 2 It is Figure 1 the exploded state view of

[0019] Figure 3 It is the exploded state view of Figure 1 from another angle.

[0020] Figure 4 It is a schematic structural diagram of the moving support and the static support of the present utility model in the initial folding state.

[0021] Figure 5 It is a schematic structural diagram of the moving support and the static support of the present utility model in the transition state.

[0022] Figure 6 It is a schematic structural diagram of the moving support and the static support of the present utility model in the open and held state.

[0023] Figure 7 It is a schematic structural diagram of the assembled state of the tray assembly of the present utility model.

[0024] Figure 8This is a schematic structural view of the tray assembly of the present utility model in the open state inside the door panel.

[0025] Figure 9 This is a schematic structural view of the tray assembly of the present utility model in the folded state in the cabinet environment.

[0026] Wherein: 1. Tray assembly; 2. Cabinet door panel; 3. Cabinet;

[0027] 11. Tray body; 12. Moving bracket; 13. Static bracket; 14. Kidney-shaped sleeve; 15. Pin shaft; 16. Circlip; 17. Welding stud; 18. Nut;

[0028] 21. Inner surface of the door panel;

[0029] 111. Top surface of the tray; 112. Bottom surface of the tray; 113. First folding edge; 114. Second folding edge; 115. Third folding edge; 116. Fourth folding edge; 117. Tray notch;

[0030] 121. Bottom surface of the moving bracket; 122. Through hole of the moving bracket; 123. Side of the moving bracket; 124. Kidney-shaped hole of the moving bracket; 125. End face of the moving bracket; 126. First axis; 127. Second axis; 128. Third axis; 129. Arc; 1210. Top surface of the moving bracket;

[0031] 131. Bottom surface of the static bracket; 132. Through hole of the static bracket; 133. Inner surface of the static bracket; 134. Side of the static bracket; 135. Pin hole of the static bracket; 136. Axis of the static bracket; 137. End face of the static bracket;

[0032] 141. Assembly surface of the kidney-shaped sleeve; 142. Inner surface of the kidney-shaped sleeve; 143. Outer surface of the kidney-shaped sleeve; 144. End face of the kidney-shaped sleeve; 145. Limiting surface of the kidney-shaped sleeve;

[0033] 151. Smooth rod; 152. Card slot; 153. Flange. Detailed implementation manners

[0034] The following will describe the detailed implementation manners of the present utility model in conjunction with the accompanying drawings.

[0035] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are given in the drawings. However, the present utility model can be implemented in many different combination forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of the present utility model more thorough and comprehensive.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this utility model belongs. The terms used in the specification of this utility model herein are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0037] In the case of using "including", "having", and "comprising" described herein, unless explicit limiting terms are used, such as "only", "consisting of", etc., another component may also be added. Unless otherwise mentioned, terms in the singular form may include the plural form and should not be construed as having a quantity of one.

[0038] It should be understood that although terms such as "first" and "second" may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, without departing from the scope of this utility model, the first element may be referred to as the second element, and similarly, the second element may be referred to as the first element.

[0039] In addition, the drawings are not drawn to a 1:1 scale, and the relative sizes of the various elements are only drawn exemplarily in the drawings and not necessarily to the true scale.

[0040] As Figures 1 to 9 , a schematic structural state diagram of a computer tray structure based on a frame cabinet door panel in an embodiment of this utility model is shown; for ease of description, the drawings only show the structures related to the embodiments of this utility model.

[0041] In this embodiment, a computer tray structure based on a frame cabinet door panel is provided, including: a tray assembly 1 added to the cabinet door panel 2 of the cabinet 3, and the tray assembly 1 is installed on the inner surface 21 of the door panel of the cabinet door panel 2; the structure of the tray assembly 1 is: including a tray body 11, and the bottom surface of the tray body 11 is fixedly connected to the bottom surface 121 of the moving bracket 12 of the moving bracket; it also includes: a static bracket 13, the U-shaped groove of the static bracket 13 is sleeved outside the moving bracket 12, the pin shaft 15 is inserted into the static bracket pin hole 135 of the static bracket 13 from the inside to the outside and passes through the waist-shaped sleeve 14, and the clamping groove 152 is exposed from the static bracket pin hole 135 on the other side of the static bracket 13 coaxially, and the snap ring 16 is embedded into the clamping groove 152 of the pin shaft 15 with a tool clamp to complete the connection between the static bracket 13 and the moving bracket 12; the bottom surface 131 of the static bracket 13 is fixed to the inner surface 21 of the door panel.

[0042] In this embodiment, the connection structure between the movable support 12 and the tray body 11 is to insert the through-hole 122 of the movable support 12 of the movable support 12 into the welding stud 17 on the tray 11 and screw in the nut 18, so that the bottom surface 121 of the movable support 12 is tightly locked against the bottom surface 112 of the tray 11.

[0043] In this embodiment, the structure of the tray body 11 is as follows: it includes a tray bottom surface 112 that fits with the bottom surface 121 of the movable support 12 of the movable support 12, and also includes a tray top surface 111 for carrying equipment; first flanges 113 are vertically downwardly provided on the left and right sides of the tray top surface 111; a second flange 114 is vertically downwardly provided on the front side of the tray top surface 111, and a third flange 115 is inwardly provided at the end of the second flange 114; a fourth flange 116 is vertically downwardly provided on the rear side of the tray top surface 111, and tray notches 117 are provided at the left and right positions of the fourth flange 116. The tray notches 117 are used for fitting with the movable support 12 and also reserve an avoidance space for folding.

[0044] In this embodiment, the structure of the movable support 12 is as follows: it includes a bottom surface 121 of the movable support that is connected to the tray body 11, and a through-hole 122 of the movable support is provided on the bottom surface 121 of the movable support; movable support side edges 123 are vertically downwardly provided on both sides of the bottom surface 121 of the movable support, and a waist hole 124 of the movable support is provided at the contact end of the movable support side edge 123 and the static support 13; the end surface 125 of the movable support 12 of the movable support 12 is coplanar and flush with the end surface 137 of the static support 13.

[0045] In this embodiment, there are a first axis 126 and a second axis 127 arranged parallel to each other in the horizontal direction, and a third axis 128 arranged in the vertical direction on the waist hole 124 of the movable support; the first axis 126 coincides with the axis 136 of the static support 13; the distances from the first axis 126 and the second axis 127 of the movable support 12 to the end surface 125 of the movable support are equal to the radius of the arc 129, and the distance from the second axis 127 to the top surface 1210 of the movable support is also equal to the radius of the arc 129. The end surface 125 of the movable support is perpendicular to the top surface 1210 of the movable support.

[0046] In this embodiment, the structure of the static bracket 13 is as follows: It includes a static bracket bottom surface 131 fixed to the inner surface 21 of the door panel. A static bracket through hole 132 is provided on the static bracket bottom surface 131, and the static bracket through hole 132 is used to connect with the cabinet door panel 2. Oppositely arranged static bracket side edges 134 are provided on the static bracket 13, and there is a static bracket inner surface 133 between the oppositely arranged static bracket side edges 134. A through static bracket pin hole 135 is provided on the parallel and opposite static bracket side edges 1344. The distance from the static bracket axis 136 of the static bracket pin hole 135 to the static bracket end surface 137 is equal to the distance to the static bracket inner surface 133, and is equal to the radius of the arc 129 of the moving bracket 12. The oppositely arranged static bracket side edges 134 of the static bracket 13 are embedded in the moving bracket side edges 123 of the moving bracket 12. When the moving bracket 12 is paired with the static bracket 13, when the second axis 127 of the moving bracket 12 coincides with the static bracket axis 136 of the static bracket 13 and the moving bracket top surface 1210 contacts the static bracket inner surface 133.

[0047] In this embodiment, the structure of the kidney-shaped sleeve 14 is as follows: The kidney-shaped sleeve inner surface 142 and the kidney-shaped sleeve outer surface 143 of the kidney-shaped sleeve 14 sandwich an equal-wall-thickness oblong stretching body. A stepped structure is provided on the side of its kidney-shaped sleeve end surface 144, which is composed of a kidney-shaped sleeve assembly surface 141 perpendicular to the kidney-shaped sleeve limiting surface 145. The kidney-shaped sleeve 14 is inserted into the moving bracket kidney-shaped hole 124 from the inner side of the moving bracket 12 with the kidney-shaped sleeve assembly surface 141 until the kidney-shaped sleeve limiting surface 145 abuts against the inner side surface of the moving bracket side edge 123, and then the kidney-shaped sleeve 14 is welded to the moving bracket 12 by argon arc welding to form an integrated structure.

[0048] In this embodiment, the structure of the pin shaft 15 is as follows: It includes a pin shaft smooth rod 151 fixed to the static bracket 13. A card slot 152 for exposure is provided at one end of the pin shaft smooth rod 151, and a circlip 16 is embedded in the card slot 152. A flange 153 is provided at the other end of the pin shaft smooth rod 151. Under the constraint of the flange 153 and the circlip 16 of the pin shaft 15, the static bracket 13 switches between rotation and sliding relative to the moving bracket 12.

[0049] As Figures 7 to 9 shown, the assembly operation in the cabinet environment is as follows:

[0050] In the welding process, the welding studs 17 have been pre-welded on the inner surface 21 of the door panel as required for the cabinet door panel 2. Similarly, after the hemming process of the tray body 11, the welding studs 17 also need to be pre-welded on the tray bottom surface 112 as required. After cleaning, decontamination, and surface electrostatic spraying treatment, it enters the assembly process;

[0051] Exemplarily, in this example, the cabinet door panel 2 is separately implemented for the assembly operation in the case of being detached from the cabinet 3;

[0052] First, insert the static support through-hole 132 of the static support 13 into the welding stud 17 on the door panel, and then screw in the nut 18 so that the bottom surface 131 of the static support of the static support 13 is in close contact with the inner surface 21 of the door panel. Repeat the above operation to fix the two static supports 13 on the door panel 19. Similarly, insert the moving support through-hole 122 of the moving support 12 into the welding stud 17 on the tray body 11, and then screw in the nut 18 so that the bottom surface 121 of the moving support of the moving support 12 is in close contact with the bottom surface 112 of the tray. Repeat the above operation to fix the two moving supports 12 on the tray body 11.

[0053] After completing the above two-step pre-assembly, snap the moving support 12 on the tray 11 into the U-shaped groove of the static support 13 on the cabinet door panel 2. Insert the pin shaft 15 into the static support pin hole 135 of the static support 13 from the inside out and pass through the waist-shaped sleeve 14, and expose the clamping groove 152 from the coaxial static support pin hole 135 on the other side of the static support 13. Then use a tool clamp to embed the snap ring 16 into the clamping groove 152 of the pin shaft 15. The state after assembly is as Figure 8 shown. Then, close the tray body 11 in the open state, as Figure 9 shown;

[0054] Finally, assemble the cabinet door panel 2 onto the cabinet 3.

[0055] The structure of the present utility model is reasonable and the operation is simple. Through the cooperation between the moving support 12 and the static support 13, on the premise of ensuring the strength and rigidity of the computer tray, the problem of lightweight and high strength of the structural assembly is solved while taking into account the reversible switching between the open and folded states of the tray.

[0056] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0057] The above-described embodiments only express the implementation manners of the present utility model, and the description is relatively specific and detailed, but it cannot be understood as a limitation to the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A computer tray structure based on a frame cabinet door panel, characterized in that Comprising: A tray assembly (1) added to the cabinet door panel (2) of the cabinet (3), and the tray assembly (1) is installed on the inner surface (21) of the door panel of the cabinet door panel (2); The structure of the tray assembly (1) is: including a tray body (11), and the bottom surface of the tray body (11) is fixedly connected to the moving bracket bottom surface (121) of the moving bracket (12); Also included: a static bracket (13), the U-shaped groove of the static bracket (13) is sleeved outside the moving bracket (12), and a pin shaft (15) is respectively inserted into the static bracket pin hole (135) of the static bracket (13) from the inside to the outside and passes through the waist-shaped sleeve (14), and the clamping groove (152) is exposed from the static bracket pin hole (135) on the other side of the static bracket (13) coaxially, and a snap ring (16) is embedded into the clamping groove (152) of the pin shaft (15) with a tool clamp to complete the connection between the static bracket (13) and the moving bracket (12); The static bracket bottom surface (131) of the static bracket (13) is fixed to the inner surface (21) of the door panel.

2. The computer tray structure based on the frame cabinet door panel according to claim 1, wherein: The connection structure between the moving bracket (12) and the tray body (11) is to insert the moving bracket through hole (122) of the moving bracket (12) into the welding stud (17) on the tray body (11) and screw in the nut (18) so that the bottom surface (121) of the moving bracket (12) is tightly attached and locked to the tray bottom surface (112) of the tray body (11).

3. The computer tray structure based on the frame cabinet door panel according to claim 1, wherein: The structure of the tray body (11) is: including a tray bottom surface (112) that fits with the moving bracket bottom surface (121) of the moving bracket (12), and also including a tray top surface (111) for carrying equipment; First flanges (113) are arranged vertically downward along the left and right sides of the tray top surface (111); A second flange (114) is arranged vertically downward along the front side of the tray top surface (111), and a third flange (115) is arranged inward at the end of the second flange (114); A fourth flange (116) is arranged vertically downward along the rear side of the tray top surface (111), and tray notches (117) are arranged at the left and right positions of the fourth flange (116), and the tray notches (117) are used for fitting with the moving bracket (12) and reserved avoidance space during folding.

4. The computer tray structure based on the frame cabinet door panel according to claim 1, characterized in that: The structure of the moving bracket (12) is: including a moving bracket bottom surface (121) connected to the tray body (11), and a moving bracket through hole (122) is arranged on the moving bracket bottom surface (121); Moving bracket side edges (123) are arranged vertically downward along both sides of the moving bracket bottom surface (121), and a moving bracket waist-shaped hole (124) is arranged at the contact end of the moving bracket side edge (123) and the static bracket (13); The moving bracket end surface (125) of the moving bracket (12) is coplanar and flush with the static bracket end surface (137) of the static bracket (13).

5. The computer tray structure based on the frame cabinet door panel according to claim 4, characterized in that: There are a first axis (126) and a second axis (127) arranged parallel to each other in the horizontal direction and a third axis (128) arranged vertically on the moving bracket waist-shaped hole (124); The first axis (126) coincides with the axis (136) of the static bracket (13); The distances from the first axis (126) and the second axis (127) of the movable support (12) to the end face (125) of the movable support are equal to the radius of the arc (129). The distance from the second axis (127) to the top face (1210) of the movable support is also equal to the radius of the arc (129). The end face (125) of the movable support is perpendicular to the top face (1210) of the movable support.

6. The computer tray structure based on the frame cabinet door panel according to claim 1, characterized in that: The structure of the static support (13) is as follows: it includes a bottom face (131) of the static support fixed to the inner surface (21) of the door panel. A through hole (132) of the static support is provided on the bottom face (131) of the static support, and the through hole (132) of the static support is used to connect with the cabinet door panel (2). On the static support (13), there are relatively arranged side edges (134) of the static support. There is an inner face (133) of the static support between the relatively arranged side edges (134) of the static support. Through static support pin holes (135) are provided on the parallel and opposite side edges (134) 4 of the static support. The distance from the axis (136) of the static support of the static support pin hole (135) to the end face (137) of the static support is equal to the distance to the inner face (133) of the static support, and is equal to the radius of the arc (129) of the movable support (12). The relatively arranged side edges (134) of the static support (13) enclose the side edges (123) of the movable support (12). When the movable support (12) is paired with the static support (13), the second axis (127) of the movable support (12) coincides with the axis (136) of the static support of the static support (13), so that the top face (1210) of the movable support contacts and fits with the inner face (133) of the static support.

7. The computer tray structure based on the frame cabinet door panel according to claim 1, characterized in that: The structure of the waist-shaped sleeve (14) is as follows: the inner surface (142) of the waist-shaped sleeve of the waist-shaped sleeve (14) and the outer surface (143) of the waist-shaped sleeve sandwich an equal-wall-thickness oblong stretching body. A stepped structure is provided on the side of the end face (144) of the waist-shaped sleeve, which is composed of a fitting surface (141) of the waist-shaped sleeve and a limiting surface (145) of the waist-shaped sleeve that are perpendicular to each other. The waist-shaped sleeve (14) is inserted into the waist-shaped hole (124) of the movable support from the inner side of the movable support (12) with the fitting surface (141) of the waist-shaped sleeve until the limiting surface (145) of the waist-shaped sleeve abuts against the inner side surface of the side edge (123) of the movable support. Then, the waist-shaped sleeve (14) is welded to the movable support (12) by argon arc welding to form an integrated structure.

8. The computer tray structure based on the frame cabinet door panel according to claim 1, characterized in that: The structure of the pin shaft (15) is as follows: it includes a smooth rod (151) of the pin shaft fixed to the static support (13). A groove (152) for exposure is provided at one end of the smooth rod (151) of the pin shaft, and a circlip (16) is embedded in the groove (152). A flange (153) is provided at the other end of the smooth rod (151) of the pin shaft. The static support (13) is restricted by the flange (153) and the circlip (16) of the pin shaft (15), so that the movable support (12) can be switched between rotation and sliding.

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