Modularized case structure easy to disassemble and maintain

Abstract

The utility model discloses a modularized case structure easy to disassemble and maintain. The modularized case structure comprises a case shell and a drawer type drawing shell matched with the case shell. The case shell is in a box shape and is composed of a front panel, a left side plate, a right side plate, an upper cover plate and a lower cover plate, a circuit board front plate is installed on the inner wall of the front panel, more than one sliding rail is installed on the inner wall of the upper cover plate, and the direction of the sliding rails is the same as that of the side plates. According to the case structure disclosed by the utility model, the liner is embedded in the sliding rail, and the drawer type sliding connection between the drawing shell and the case shell is realized through the sliding of the liner on the sliding rail, so that the case structure has better disassembly and assembly convenience and maintenance accessibility.

Description

Technical Field

[0001] The utility model belongs to the field of electronic equipment chassis, and particularly relates to a modular chassis structure in the field that is easy to disassemble and maintain. Background Art

[0002] With the rapid development of high-tech and high-integration technologies, the integration of electronic equipment is becoming increasingly higher and the equipment structure is becoming increasingly complex. With the increasingly fierce market competition, higher requirements are placed on the response speed of structural designers to the technical indicators of product design solutions. The structural design of electronic chassis includes the chassis configuration and the layout design of internal components. Under the premise of ensuring the reliable and stable operation of electronic equipment, economy, easy scalability, and convenience of disassembly and assembly have also become issues that designers must consider and optimize.

[0003] Patent application CN113835486A discloses an embedded industrial control chassis that is easy to disassemble and maintain. Slide grooves are arranged on both sides of the fixed box body, and fixed strips are arranged on the sides of the pull-out box body. The fixed strips and the slide grooves form a sliding connection. The fixed box body and the pull-out box body are fixed by a C-shaped card slot. This structural form is easy to disassemble and assemble, and it is convenient to maintain the industrial control computer circuit board in the chassis. The disadvantage is that the internal board card is simple in form and is not suitable for the situation where the internal components of the chassis are connected to the front and rear panels of the chassis by cables. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a modular case structure which is easy to disassemble and maintain.

[0005] The utility model adopts the following technical solutions:

[0006] A modular chassis structure that is easy to disassemble and maintain, the improvement of which lies in: comprising a chassis shell and a drawer-type pull-out shell matched therewith; the chassis shell is box-shaped, consisting of a front panel, two left and right side panels, and two upper and lower cover panels, a circuit board front panel is installed on the inner wall of the front panel, and one or more slide rails are installed on the inner wall of the upper cover panel, and the direction of the slide rails is the same as that of the side panels; the pull-out shell comprises a square frame, and pads are respectively arranged on the tops of the front and rear frames of the square frame, and the number of pads on the front and rear frames is the same, the positions are opposite, and they are used in pairs, the number of pad pairs is the same as the number of the above-mentioned slide rails, each pair of pads is matched with a slide rail, the pads can be hung on the slide rail and slide along the slide rail, the rear panel is installed on the rear frame of the square frame, the circuit board rear panel is installed on the inner wall of the rear panel, and the circuit board back panel is installed at the bottom of the square frame.

[0007] Furthermore, a concave surface is processed on the inner wall of the front panel, and the circuit board front panel is placed in the concave surface and fixed with screws.

[0008] Furthermore, a conical positioning hole is respectively provided on both sides of the inner wall of the front panel, and positioning pins corresponding to the conical positioning holes are provided on the outer wall of the front frame of the square frame.

[0009] Furthermore, after the drawer-type pull-out shell is pushed back into the chassis shell, the front frame of the pull-out shell is connected and positioned with the front panel through positioning pins, and the rear panel is fixedly connected with the left and right side panels through screws.

[0010] Furthermore, there are two slide rails, which are fixed on the inner wall of the upper cover plate by screws.

[0011] Furthermore, the square frame includes two front and rear metal plate frames, both sides of the two metal plate frames are connected together by two columns, and guide rails are installed between the columns on both sides.

[0012] Furthermore, grooves are provided on the tops of the front and rear frames of the square frame, and the gaskets are embedded in the grooves.

[0013] Furthermore, more than three pressure riveting studs are installed on the inner wall of the rear panel, and the rear plate of the circuit board is sleeved on the pressure riveting studs and fixed by screws.

[0014] Further, more than one module box is installed in the square frame.

[0015] Furthermore, the built-in circuit board module of the module box is electrically connected to the circuit board backplane via the plug-in connector, and the circuit board backplane is electrically connected to the circuit board front plate and the circuit board rear plate via the plug-in connectors respectively.

[0016] The beneficial effects of the utility model are:

[0017] The chassis structure disclosed by the utility model embeds a gasket into a slide rail, and realizes a drawer-type sliding connection between a pull-out shell and a chassis outer shell by sliding the gasket on the slide rail, which has good disassembly and assembly convenience and maintenance accessibility; the electrical connection between different module boxes in the chassis is realized by a circuit board equipped with a plug-in connector, which greatly reduces the number of cables inside the chassis, and the coupling degree between the module boxes is low, the functions and installation relationships are independent, the internal space is tidy, and the module boxes are easy to maintain, replace and expand. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the chassis structure disclosed in the utility model;

[0019] Figure 2 It is a schematic diagram of the internal structure of the chassis structure disclosed in the utility model;

[0020] Figure 3 It is a schematic diagram of the internal structure of the chassis structure disclosed in the utility model after the cover plate is hidden;

[0021] Figure 4 It is a structural schematic diagram of a square frame in the chassis structure disclosed in the utility model;

[0022] Figure 5 It is a structural schematic diagram of the chassis structure disclosed by the utility model after the housing is pulled out.

[0023] Reference numerals:

[0024] 1—chassis shell, 2—pull-out shell, 3—plug-in connector, 4—module box, 111—front panel, 112—circuit board front plate, 12—side panel, 221—square frame, 222—circuit board back plate, 223—locating pin, 224—gasket, 14—slide rail, 212—circuit board back plate, 213—rivet stud, 2211—metal plate frame, 2212—column, 2213—guide slide rail. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] Embodiment 1, this embodiment discloses a modular chassis structure that is easy to disassemble and maintain, such as Figure 1 As shown in FIG. 5 , the chassis shell 1 and the drawer-type pull-out housing 2 matched therewith are included. The chassis shell is box-shaped and consists of a front panel 111, two left and right side panels 12, and two upper and lower cover panels. A conical positioning hole is opened on each side of the inner wall of the front panel, and a concave surface is processed on the inner wall of the front panel. The circuit board front panel 112 is placed in the concave surface and fixed with screws. The front panel module is composed of the front panel and the circuit board front panel. Two slide rails 14 are installed side by side on the inner wall of the upper cover by screws, and the direction of the two slide rails is the same as that of the side panels.

[0027] The pull-out shell includes a square frame 221, and two grooves are respectively arranged on the top of the front and rear frames of the square frame. A gasket 224 with a self-lubricating function is embedded in the groove. The gaskets on the front and rear frames are positioned relative to each other and used in pairs. Each pair of gaskets cooperates with a slide rail, and the gaskets can be hung on the slide rail and slide along the slide rail.

[0028] A positioning pin 223 corresponding to the above-mentioned conical positioning hole is arranged on the outer wall of the front frame of the square frame. A rear panel is installed on the rear frame of the square frame, and more than three riveting studs 213 are installed on the inner wall of the rear panel. The circuit board rear panel 212 is sleeved on the riveting studs and fixed by screws. The rear panel module is composed of the rear panel, the riveting studs and the circuit board rear panel. The circuit board back panel 222 is installed at the bottom of the square frame. The frame module is composed of the square frame, the gasket, the positioning pins and the circuit board back panel. More than one module box 4 is installed in the square frame. The number of module boxes depends on the situation. If necessary, the number of module boxes can be expanded by increasing the height of the chassis structure. The built-in circuit board module of each module box is electrically connected to the circuit board back panel through a plug-in connector, and the circuit board back panel is electrically connected to the circuit board back panel through a plug-in connector 3. After the drawer-type pull-out shell is pushed back into the chassis shell, the front frame of the pull-out shell is connected and positioned with the front panel through the positioning pins, the circuit board back panel is electrically connected to the circuit board front panel through the plug-in connector, and the rear panel is fixedly connected to the left and right side panels respectively by screws.

[0029] In this embodiment, the square frame includes two front and rear metal plate frames 2211, and the two sides of the two metal plate frames are connected together by two columns 2212, and a guide rail 2213 is installed between the columns on both sides.

[0030] The installation process of the chassis structure disclosed in this embodiment is as follows: the rear panel module and the frame module are screwed together by fasteners to form a pull-out housing, the required module boxes are installed in the square frame, the built-in circuit board modules of each module box are electrically connected to the circuit board back plate through the plug-in connector, and the circuit board back plate is electrically connected to the circuit board back plate through the plug-in connector. The gasket is embedded in the slide rail so that the pull-out housing can slide freely in the chassis shell, and the pull-out housing is pushed back to the chassis shell along the slide rail. The front frame of the pull-out housing is connected and positioned with the front panel through the positioning pins, the circuit board back plate is electrically connected to the circuit board front plate through the plug-in connector, and the rear panel is fixedly connected to the left and right side panels respectively by screws.

Claims

1. A modular chassis structure that is easy to disassemble and maintain, characterized in that: It comprises a chassis shell and a drawer-type pull-out shell matched therewith; the chassis shell is box-shaped, and consists of a front panel, two left and right side panels, and two upper and lower cover panels; a circuit board front panel is installed on the inner wall of the front panel, and one or more slide rails are installed on the inner wall of the upper cover panel, and the direction of the slide rails is the same as that of the side panels; the pull-out shell comprises a square frame, and pads are respectively arranged on the tops of the front and rear frames of the square frame, and the number of pads on the front and rear frames is the same, the positions are opposite, and they are used in pairs; the number of pad pairs is the same as the number of the above-mentioned slide rails, and each pair of pads is matched with a slide rail, and the pads can be hung on the slide rail and slide along the slide rail; a rear panel is installed on the rear frame of the square frame, a circuit board rear panel is installed on the inner wall of the rear panel, and a circuit board back panel is installed at the bottom of the square frame.

2. The modular chassis structure that is easy to disassemble and maintain according to claim 1 is characterized in that: A concave surface is processed on the inner wall of the front panel, the front panel of the circuit board is placed in the concave surface and fixed with screws.

3. The modular chassis structure that is easy to disassemble and maintain according to claim 1 is characterized in that: A conical positioning hole is respectively provided on both sides of the inner wall of the front panel, and positioning pins corresponding to the conical positioning holes are arranged on the outer wall of the front frame of the square frame.

4. The modular chassis structure that is easy to disassemble and maintain according to claim 3 is characterized in that: After the drawer-type pull-out housing is pushed back into the chassis shell, the front frame of the pull-out housing is connected and positioned with the front panel through positioning pins, and the rear panel is fixedly connected with the left and right side panels respectively through screws.

5. The modular chassis structure that is easy to disassemble and maintain according to claim 1 is characterized in that: There are two slide rails, which are fixed on the inner wall of the upper cover plate by screws.

6. The modular chassis structure that is easy to disassemble and maintain according to claim 1 is characterized in that: The square frame comprises two front and rear metal plate frames, both sides of the two metal plate frames are connected together by two columns respectively, and guide rails are installed between the columns on both sides.

7. The modular chassis structure that is easy to disassemble and maintain according to claim 1 is characterized in that: Grooves are arranged on the tops of the front and rear frames of the square frame, and the gaskets are embedded in the grooves.

8. The modular chassis structure that is easy to disassemble and maintain according to claim 1 is characterized in that: More than three pressure rivet studs are installed on the inner wall of the rear panel, and the rear plate of the circuit board is sleeved on the pressure rivet studs and fixed by screws.

9. The modular chassis structure that is easy to disassemble and maintain according to claim 1 is characterized in that: Install more than one module box in the square frame.

10. The modular chassis structure that is easy to disassemble and maintain according to claim 1 is characterized in that: The built-in circuit board module of the module box is electrically connected to the circuit board backplane through the plug-in connector, and the circuit board backplane is electrically connected to the circuit board front plate and the circuit board rear plate through the plug-in connector respectively.

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