Mounting hole structure of aluminum honeycomb panel

Abstract

In order to solve the problem that a threaded mounting hole is additionally formed in an aluminum honeycomb panel of an existing railway vehicle to fix a mounting part, the utility model provides a mounting hole structure of an aluminum honeycomb panel, which comprises an insert and an upper cover, the top end and the bottom end of the cylinder are respectively provided with an upper piece and a lower piece which are larger than the cross section of the cylinder; a threaded hole penetrating through the center is formed in the insert in the length direction; the upper cover is detachably connected with the top end of the insert; the mounting structure has the advantages that the mounting holes can be additionally formed in the aluminum honeycomb panel at any time according to the mounting requirements of an existing vehicle, the structure is simple, mounting is firm, operation is flexible, operation is safe and efficient, the using effect is good, and the phenomenon that structural adhesive overflows into the threaded holes and cannot be mounted is prevented.

Description

Technical Field

[0001] The utility model relates to a rail vehicle, in particular to a mounting hole structure of an aluminum honeycomb plate of a rail vehicle. Background Art

[0002] Aluminum honeycomb panels are widely used in floors and partitions of rail vehicles such as trains, subways, and intercity trains. Aluminum honeycomb panels are equipped with many mounting holes, which facilitates the fixed connection of floors and partitions to other structures on the vehicle. However, due to actual product errors or design changes, mounting holes are often missed or changed on aluminum honeycomb panels, which requires the addition of mounting holes to the aluminum honeycomb panels on the existing vehicle. Summary of the invention

[0003] In order to solve the above problems, the utility model provides an installation hole structure of an aluminum honeycomb panel which has a simple structure, is firmly installed, is flexible to operate, and is safe and efficient to operate.

[0004] The mounting hole structure of the aluminum honeycomb panel of the utility model comprises an inlay and an upper cover; the middle part of the inlay is a cylinder, the top and bottom of the cylinder are respectively provided with an upper piece and a lower piece larger than the cross section of the cylinder; a threaded hole penetrating the center is provided in the length direction of the inlay; the upper cover is detachably connected to the top of the inlay.

[0005] Furthermore, the inlay is placed in a circular hole filled with structural adhesive on the aluminum honeycomb panel.

[0006] Furthermore, the upper piece of the inlay is circular and the lower piece is drum-shaped. The circular upper piece can better match the opening on the aluminum honeycomb plate, and the drum-shaped lower piece can prevent the inlay from rotating in the opening of the aluminum honeycomb plate, thereby increasing firmness.

[0007] Furthermore, the diameters of the circular shape of the upper sheet and the drum shape of the lower sheet are equal, matching the circular holes of the aluminum honeycomb panel.

[0008] Furthermore, the outline edge of the upper plate of the inlay is provided with an overflow opening, the upper cover is larger than the upper plate of the inlay, and a circular overflow hole is also provided at the upper cover corresponding to the opening of the upper plate. The opening can make the internal structural glue of the inlay better overflow after the inlay is placed in the opening of the aluminum honeycomb panel.

[0009] Furthermore, the diameters of the top and bottom of the cylinder in the middle of the inlay are smaller than the diameter of the middle part, thereby preventing the inlay from rotating in the opening of the aluminum honeycomb panel and increasing firmness.

[0010] Furthermore, the outer surface of the side wall of the middle part of the central cylinder of the inlay is provided with concave and convex knurling, thereby increasing the friction between the inlay in the circular hole of the aluminum honeycomb panel and the structural adhesive, preventing the inlay from rotating in the opening of the aluminum honeycomb panel, and increasing the firmness.

[0011] Furthermore, the upper cover edge is provided with an upper cover handle which is at a certain angle to the upper cover plane, so as to facilitate the removal of the upper cover.

[0012] Furthermore, the upper cover and the top of the inlay are bonded together by 3M tape.

[0013] Furthermore, the structural adhesive is TS828 structural adhesive.

[0014] The mounting hole structure of the aluminum honeycomb panel of the utility model can add mounting holes to the aluminum honeycomb panel at any time according to the installation needs of the existing vehicle. It has a simple structure, firm installation, flexible operation, safe and efficient operation, good use effect, and prevents the structural glue from overflowing into the threaded hole to cause the phenomenon of being unable to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the mounting hole structure of the aluminum honeycomb panel of the utility model.

[0016] Figure 2 for Figure 1 Top view of the .

[0017] Figure 3 for Figure 1 Longitudinal section view of .

[0018] The markings in the figure are:

[0019] 1- inlay; 2- round upper piece; 3- drum-shaped lower piece; 4- knurling; 5- threaded hole; 6- opening for glue overflow; 7- upper cover; 8- round hole for glue overflow; 9- handle for upper cover; 10- 3M glue; 11- aluminum honeycomb panel; 12- TS828 structural glue. DETAILED DESCRIPTION

[0020] Combine the following Figure 1-3 The mounting hole structure of the aluminum honeycomb panel of the utility model is described in detail.

[0021] The mounting hole structure of the aluminum honeycomb panel of the utility model comprises an inlay 1 and an upper cover 7; wherein the middle part of the inlay 1 is a cylinder, and the top and bottom ends of the cylinder are respectively provided with a circular upper piece 2 and a drum-shaped lower piece 3 larger than the cross section of the cylinder; and a threaded hole 5 penetrating the center of the inlay 1 is provided in the length direction.

[0022] The inlay 1 is placed in a circular hole filled with TS828 structural adhesive 12 on the aluminum honeycomb panel 11 . The diameters of the circular upper sheet 2 and the drum-shaped lower sheet 3 are equal, matching the circular hole of the aluminum honeycomb panel 11 .

[0023] The inner circle of the upper cover has a diameter greater than the diameter of the circular upper sheet and is detachably connected to the top of the circular upper cover by means of 3M adhesive tape.

[0024] The outline edge of the circular upper sheet 2 is provided with a glue overflow opening 6, the diameter of the upper cover 7 is larger than the upper sheet 2, and the upper cover 7 is also provided with a glue overflow circular hole 8 at the position corresponding to the glue overflow opening 6. The design of the glue overflow opening 6 and the glue overflow circular hole 8 can make the TS828 structural glue 12 inside the inlay 1 better overflow after the inlay 1 is placed in the circular hole of the aluminum honeycomb panel 11, and prevent it from overflowing into the threaded hole 5 in the center of the inlay 1. The edge of the upper cover 7 is provided with an upper cover handle 9 at a certain angle to the upper cover plane, which is convenient for disassembly of the upper cover 7.

[0025] The top and bottom diameters of the central cylinder of the inlay 1 are smaller than the diameter of the middle part, and the outer surface of the side wall of the middle part is provided with concave and convex knurling 4. These designs and the design of the drum-shaped lower plate 3 can increase friction, prevent the inlay from rotating in the opening of the aluminum honeycomb panel, and increase firmness.

[0026] The mounting hole structure of the aluminum honeycomb panel of the utility model can add mounting holes to the aluminum honeycomb panel at any time according to the installation needs of the existing vehicle. It has a simple structure, firm installation, flexible operation, safe and efficient operation, good use effect, and prevents structural glue from overflowing into the threaded hole to cause installation failure.

[0027] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A mounting hole structure of an aluminum honeycomb panel, characterized in that: It comprises an inlay and an upper cover; the middle part of the inlay is a cylinder, the top and bottom of the cylinder are respectively provided with an upper piece and a lower piece larger than the cross section of the cylinder; a threaded hole penetrating the center is provided in the length direction of the inlay; the upper cover is detachably connected to the top of the inlay.

2. The mounting hole structure of the aluminum honeycomb panel according to claim 1, characterized in that: The inlay is placed in a circular hole filled with structural adhesive opened on the aluminum honeycomb plate.

3. The mounting hole structure of the aluminum honeycomb panel according to claim 2, characterized in that: The outline edge of the upper plate of the inlay is provided with a glue overflow opening, the upper cover is larger than the upper plate of the inlay, and a glue overflow circular hole is also provided at the position of the upper cover corresponding to the opening of the upper plate.

4. The mounting hole structure of the aluminum honeycomb panel according to claim 2, characterized in that: The edge of the upper cover is provided with an upper cover handle which forms a certain angle with the upper cover plane.

5. The mounting hole structure of the aluminum honeycomb panel according to any one of claims 1 to 4, characterized in that: The upper piece of the inlay is circular, and the lower piece is drum-shaped.

6. The mounting hole structure of the aluminum honeycomb panel according to claim 5, characterized in that: The diameters of the circular shape of the upper plate and the drum shape of the lower plate are equal, and are equal to the inner diameter of the circular holes of the aluminum honeycomb panel.

7. The mounting hole structure of the aluminum honeycomb panel according to claim 5, characterized in that: The diameters of the top and bottom of the cylindrical body in the middle of the inlay are smaller than the diameter of the middle part.

8. The mounting hole structure of the aluminum honeycomb panel according to claim 7, characterized in that: The outer surface of the side wall of the middle part of the central cylinder of the inlay is provided with concave and convex knurling.

9. The mounting hole structure of the aluminum honeycomb panel according to claim 1 or 2 or 3 or 4 or 6 or 7 or 8, characterized in that: The upper cover and the top of the inlay are bonded together by 3M adhesive tape.

10. The mounting hole structure of the aluminum honeycomb panel according to claim 2, 3 or 4, characterized in that: The structural adhesive is TS828 structural adhesive.

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