Fixing structure for instrument box and case panel

Abstract

The invention provides an instrument box and case panel fixing structure which comprises the components of a case panel which is provided with a window; the instrument box comprises a shell and a protruding edge arranged on the shell, the shell is arranged corresponding to the window, and a plurality of through holes are formed in the two side walls of the shell respectively; and the number of the fixing clamping hooks is multiple, the fixing clamping hooks are correspondingly clamped into the through holes respectively, and fasteners are arranged on the fixing clamping hooks. The shell is inserted into the window, the protruding edge is attached to the case panel, and the end of the assembled fastener abuts against the case panel so that the case panel can be fixedly connected with the instrument box. The fixing reliability and the connection convenience of the instrument box on the panel are greatly improved, the instrument box is easy to disassemble and assemble, the maintenance performance is good, and the instrument box is suitable for batch production.

Description

Technical Field

[0001] The present application belongs to the technical field of diesel engine electronic control, and in particular relates to a fixing structure of an instrument box and a chassis panel. Background Art

[0002] With the development of diesel engine digital technology, diesel engine control and monitoring functions have gradually deepened, and the human-machine interaction of equipment sub-modules has become more and more frequent. The instruments of the dialogue device are installed on the chassis panel through a fixed structure.

[0003] However, the prior art instrument boxes mostly use a plastic shell claw structure, which is prone to shaking and loose clamping after being fixed and clamped for a long time. Currently, instrument boxes begin to use metal shells, but they are mostly fixed with conventional screws, which reduces the aesthetics of the instrument. Summary of the invention

[0004] In view of this, the present application aims to provide a fixing structure between an instrument box and a chassis panel to solve at least one of the above problems.

[0005] To achieve the above purpose, the technical solution of this application is implemented as follows: The present application provides a structure for fixing an instrument box and a chassis panel, comprising: A chassis panel, wherein a window is provided on the chassis panel; An instrument box, the instrument box comprising a shell and a convex edge arranged on the shell, the shell is arranged corresponding to the window, and a plurality of through holes are respectively opened on two side walls of the shell; A fixed hook, wherein the number of the fixed hooks is plural and they are respectively engaged in the through holes, and a fastener is provided on the fixed hook; The shell is inserted into the window, the convex edge is fitted with the chassis panel, and the end of the assembled fastener is pressed against the chassis panel to fix the chassis panel to the instrument box.

[0006] Furthermore, the window is a rectangular hole and is arranged corresponding to the shell; An edge position at one end of the shell extends outward to form a convex edge, and the diameter of the convex edge is greater than the aperture of the rectangular hole.

[0007] Furthermore, the fixed hook includes a fixed plate, and the edge positions on both sides of the fixed plate are folded outward to form vertical arms. The edge position of one side of the fixed plate close to the instrument box extends outward and is folded toward the vertical arm to form a tongue hook, and the tongue hook is correspondingly engaged in the through hole.

[0008] Furthermore, a through hole is provided in the middle of the fixing plate, a drawing flange is provided at the through hole, and a drawing thread is provided in the drawing flange; The fastener is a fastening screw, and the fastening screw is cooperatively connected with the drawn thread.

[0009] Furthermore, a gap is reserved between the tongue hook and the end surface of the vertical arm, and the gap is greater than the wall thickness of the shell.

[0010] Furthermore, a containing cavity is provided in the shell, a rear cover plate is provided on the shell, and the rear cover plate is fixed to the shell by countersunk screws.

[0011] Compared with the prior art, the instrument box and chassis panel fixing structure described in this application has the following beneficial effects: The instrument box and chassis panel fixing structure described in the present application uses sheet metal fixings composed of fixing hooks and fasteners, and the sheet metal fixings are arranged on both sides of the instrument box, so that the instrument box and the chassis panel can be flexibly disassembled and assembled, and the two are firmly fixed, which greatly improves the reliability of the fixation of the dialogue device and the chassis, has the characteristics of good maintenance performance and low manufacturing cost, and is suitable for mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0013] Figure 1 This is a schematic diagram of a combination of an instrument box and a chassis panel fixing structure according to an embodiment of the present application; Figure 2 This is a schematic diagram of the separation of an instrument box and a chassis panel fixing structure according to an embodiment of the present application; Figure 3 This is a schematic diagram of the detailed structure of the chassis panel described in the embodiment of the present application; Figure 4 This is a schematic diagram of the detailed structure of the instrument box described in the embodiment of the present application; Figure 5 This is a schematic diagram of the connection structure between the fixing hook and the fastening screw according to the embodiment of the present application; Figure 6 This is a schematic diagram of the fixed hook structure described in an embodiment of the present application.

[0014] Description of reference numerals: 1-chassis panel; 11-window; 2-instrument box; 21-housing; 22-convex edge; 23-rear cover; 24-through hole; 3-fixing hook; 31-fixing plate; 32-vertical arm; 33-tongue hook; 34-through hole; 35-drawn flange; 4-fastening screw. DETAILED DESCRIPTION

[0015] In order to make the objectives, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below in combination with specific embodiments and with reference to the accompanying drawings.

[0016] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present application should have the usual meanings understood by people with ordinary skills in the field to which the present application belongs. The words "first", "second" and similar words used in the embodiments of the present application do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprises" and other similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and other similar words are not limited to physical or mechanical connections, but can be

[0017] Including electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0018] See also Figure 1 and Figure 2 As shown, this embodiment provides a structure for fixing an instrument box and a chassis panel, including: A chassis panel 1, on which a window 11 is provided; The instrument box 2 includes a shell 21 and a flange 22 disposed on the shell 21. The shell 21 is disposed corresponding to the window 11, and a plurality of through holes 24 are respectively formed on the two side walls of the shell 21. The fixed hooks 3 are multiple in number and are respectively engaged in the through holes 24 , and the fixed hooks 3 are provided with fasteners; The housing 21 is inserted into the window 11 , the convex edge 22 is fitted with the chassis panel 1 , and the end of the assembled fastener is pressed against the chassis panel 1 , so that the chassis panel 1 and the instrument box 2 are fixedly connected.

[0019] Specifically, in this embodiment, a window 11 for installing the instrument box 2 is opened in the middle position of the chassis panel 1, and the shell 21 of the instrument box 2 can be inserted into the window 11 along the side of the non-convex edge 22. At the same time, a plurality of through holes 24 are opened on both sides of the shell 21, and a fixing hook 3 is inserted into each through hole 24, and the instrument box 2 is fixed to the chassis panel 1 with the help of fasteners provided on the fixing hook 3.

[0020] In addition, if Figure 3 As shown, a number of holes are provided around the window 11 on the chassis panel 1, including round holes, square holes, etc., which are used to install other electronic components such as switches and indicator lights, which will not be further described here.

[0021] It should be noted that four fixing hooks 3 are used on the shell 21 in this embodiment, and are distributed on the four corners of the shell 21. The side walls of the four corners are provided with flat rectangular holes, which are through holes 24, passing through the thin wall. Therefore, when the shell 21 is small in size, the four fixing hooks 3 can be simplified to two.

[0022] The fixing structure of an instrument box 2 and a chassis panel 1 described in this embodiment, through the sheet metal fixing parts composed of fixing hooks 3 and fasteners, and the sheet metal fixing parts are arranged on both sides of the instrument box 2, the instrument box 2 and the chassis panel 1 can be flexibly disassembled and assembled, and the two are firmly fixed, which greatly improves the reliability of the fixation of the dialogue device and the chassis, has the characteristics of good maintenance performance and low manufacturing cost, and is suitable for mass production.

[0023] In some embodiments, Figure 3 and Figure 4 As shown, the window 11 is a rectangular hole and is arranged corresponding to the housing 21; An edge of one end of the housing 21 extends outward to form a convex edge 22 , and the diameter of the convex edge 22 is greater than the diameter of the rectangular hole.

[0024] Specifically, in this embodiment, the window 11 provided on the chassis panel 1 is a rectangular hole, which matches the shape of the shell 21. The shell 21 can be accurately inserted into the window 11. The shell 21 is a thin-walled shell 21-type part, and a flange 22 is provided on the front side. The flange 22 can prevent the shell 21 from completely passing through the window 11, and the flange 22 is in close contact with the chassis panel 1.

[0025] In some embodiments, Figure 5 and Figure 6 As shown, the fixed hook 3 includes a fixed plate 31, both side edges of the fixed plate 31 are folded outward to form a vertical arm 32, and the edge of the fixed plate 31 close to the instrument box 2 extends outward and folds toward the vertical arm 32 to form a tongue hook 33, and the tongue hook 33 is correspondingly engaged with the through hole 24; A through hole 34 is provided in the middle of the fixing plate 31, a drawing flange 35 is provided at the through hole 34, and a drawing thread is provided inside the drawing flange 35; The fastener is a fastening screw 4, which is connected in cooperation with the drawn thread.

[0026] Specifically, in this embodiment, the fixed hook 3 is a sheet metal part, which is square in shape as a whole, with three sides provided with bending walls, a drawn flange 35 in the middle, and a thread, i.e., a drawn thread. Two opposite sides are provided with vertical arms 32, which play a role in bending resistance and reinforcement, and the third side is provided with a tongue hook 33, the bottom of which extends outward and then bends upward, with a small bending height, and a gap is provided between the tongue hook 33 and the end face of the vertical arm 32, and the gap is greater than the wall thickness of the housing 21. The fixed hook 3 can also be a casting, and the fastening screw 4 is screwed into the drawn flange 35 of the fixed hook 3 to form a core sheet metal fixing part.

[0027] The tongue hook 33 of the sheet metal fixing part is inserted into the flat rectangular hole on the housing 21, and pulled outward, so that the gap between the tongue hook 33 and the vertical arm 32 on the fixing hook 3 is stuck in the flat rectangular hole on the housing 21, and the fastening screw 4 is tightened to fix the housing 21 to the chassis panel 1. The tightening method of the fastening screw 4 can adapt to the thickness of different panels and meet the reliable fixing requirements. The other three sheet metal fixing parts adopt the same connection method.

[0028] In some embodiments, Figure 2 and Figure 4 As shown, a housing 21 is provided with a housing cavity, and a rear cover plate 23 is provided on the housing 21. The rear cover plate 23 is fixed to the housing 21 by countersunk screws. The housing cavity is used to install display elements such as instruments.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

[0030] The embodiments of the present application are intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the embodiments of the present application should be included in the scope of protection of the present application.

Claims

1. A fixing structure of an instrument box and a chassis panel, characterized in that: include: A chassis panel (1), wherein a window (11) is provided on the chassis panel (1); An instrument box (2), the instrument box (2) comprising a shell (21) and a convex edge (22) arranged on the shell (21), the shell (21) being arranged corresponding to the window (11), and a plurality of through holes (24) are respectively opened on two side walls of the shell (21); A fixed hook (3), wherein the number of the fixed hooks (3) is plural and they are respectively correspondingly engaged in the through holes (24), and a fastener is provided on the fixed hook (3); The housing (21) is inserted into the window (11), the convex edge (22) is fitted with the chassis panel (1), and the end of the fastener after assembly is pressed against the chassis panel (1) to fix the chassis panel (1) and connect the instrument box (2) to each other.

2. The instrument box and chassis panel fixing structure according to claim 1, characterized in that: The window (11) is a rectangular hole and is arranged corresponding to the housing (21); An edge position at one end of the shell (21) extends outward to form a convex edge (22), and the diameter of the convex edge (22) is greater than the aperture of the rectangular hole.

3. The instrument box and chassis panel fixing structure according to claim 1, characterized in that: The fixed hook (3) comprises a fixed plate (31), both side edges of the fixed plate (31) are folded outward to form vertical arms (32), the fixed plate (31) extends outward from one side edge close to the instrument box (2) and is folded toward the vertical arm (32) to form a tongue hook (33), and the tongue hook (33) is correspondingly engaged in the through hole (24).

4. The instrument box and chassis panel fixing structure according to claim 3, characterized in that: A through hole (34) is provided in the middle of the fixing plate (31), a drawn flange (35) is provided at the through hole (34), and a drawn thread is provided inside the drawn flange (35); The fastener is a fastening screw (4), and the fastening screw (4) is cooperatively connected with the drawn thread.

5. The instrument box and chassis panel fixing structure according to claim 3, characterized in that: A gap is reserved between the tongue hook (33) and the end surface of the vertical arm (32), and the gap is greater than the wall thickness of the housing (21).

6. The instrument box and chassis panel fixing structure according to claim 1, characterized in that: A containing cavity is provided in the shell (21), a rear cover plate (23) is provided on the shell (21), and the rear cover plate (23) is fixed to the shell (21) by countersunk screws.

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