CN210680702U

CN210680702U - Bullet train floor skeleton grafting structure

Info

Publication number: CN210680702U
Application number: CN201921742029.1U
Authority: CN
Inventors: 张骞; 刘山山; 杜杰
Original assignee: Qingdao Xin Cheng Zhi Zuo Track Traffic Equipment Stock Co ltd
Current assignee: Qingdao Xin Cheng Zhi Zuo Track Traffic Equipment Stock Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-05
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a motor car floor skeleton grafting structure, including two inserted angles, two inserted angles peg graft respectively in the aluminium alloy skeleton of two perpendicular settings, two the link of inserted angle is personally submitted the inclined plane setting, just contained angle between the axis of connecting terminal surface and inserted angle is 45, be equipped with the wedge recess in the connection terminal surface, the inclined plane of wedge recess is isosceles trapezoid and sets up, sliding connection has the connecting piece in the wedge recess, be equipped with the cavity in the inserted angle, be equipped with the structural adhesive sealing bag in the cavity, be equipped with the sealed glue channel that many equidistance circumference distribute on the lateral wall of cavity, be equipped with sealed gluey groove on the lateral wall of inserted angle, sealed glue channel and sealed gluey groove intercommunicating pore. The utility model discloses well aluminium alloy skeleton can carry out the skeleton equipment after the phosphoric acid anodization earlier, has reduced the oxidation area, and need not through the molding process of polishing behind the equipment skeleton, has reduced the process step, has increased production efficiency, has practiced thrift the cost.

Description

Bullet train floor skeleton grafting structure

Technical Field

The utility model relates to a motor car carriage component technical field especially relates to a motor car floor skeleton grafting structure.

Background

The structure of the partition wall of the high-speed rail motor car is generally a framework formed by combining aluminum profiles, aluminum honeycomb core materials and double-sided composite aluminum plates are filled in the framework, the framework structure is a structure which bears stress and load by utilizing a structural system formed by rod pieces, and the connection between the frameworks is called as a framework connection structure.

In the prior art, the framework for the motor car bottom plate is generally welded into a whole by adopting an aluminum profile, and the problems of welding spots, welding beading and the like easily exist after welding, so that the flatness of the framework and the motor car bottom plate is influenced, and the subsequent bonding quality is influenced by easily remaining welding slag and welding beading; the framework is integrally phosphoric acid anodized after being welded into a whole, so that the oxidation area is increased, the manufacturing cost is increased, the part of the exposed framework is easy to discolor in the oxidation process and influences the surface quality, and therefore the motor car floor framework splicing structure is provided and used for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that floor skeleton is yielding and the follow-up relatively poor cost of bonding quality is higher among the prior art, and the high and reduce cost's of a steadiness motor car floor skeleton grafting structure that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bullet train floor framework splicing structure comprises two inserting angles, wherein the two inserting angles are respectively spliced in two vertically arranged aluminum profile frameworks, the connecting end surfaces of the two inserting angles are arranged in an inclined plane, and the included angle between the connecting end surface and the central axis of the inserting angle is 45 degrees, a wedge-shaped groove is arranged in the connecting end surface, the inclined plane of the wedge-shaped groove is arranged in an isosceles trapezoid shape, a connecting piece is connected in the wedge-shaped groove in a sliding way, a cavity is arranged in the inserting corner, a structural adhesive sealing bag is arranged in the cavity, a plurality of sealant channels are circumferentially distributed at equal intervals on the side wall of the cavity, a sealing rubber groove is arranged on the side wall of the inserting corner, the sealing rubber channel is communicated with the sealing rubber groove, a groove is arranged on the side wall of the cavity, the groove is internally provided with a cutting mechanism for cutting the structural adhesive sealing bag, and the surface of the inserting angle is provided with a self-tapping screw hole.

Preferably, the leading-in end of the inserting corner is arranged in a conical shape.

Preferably, the sealant groove is spirally arranged.

Preferably, cutting mechanism includes the pivot of being connected with the lateral wall rotation of recess, fixedly connected with cutting blade on the lateral wall of pivot, the other end of pivot runs through and extends to the upper surface setting of inserting the angle, the upper end of pivot is equipped with the hexagon socket head cap groove.

Preferably, the cutting blade is arranged in a semicircular shape, and sawteeth are arranged on the side wall of the cutting blade.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a set up the connecting piece, can insert the angle vertical fixation with two to it is fixed with the aluminium alloy skeleton to insert the angle through countersunk head self-tapping screw, and it is firm to connect, and easy operation has improved work efficiency.

2. The utility model discloses a set up cutting mechanism, can cut the structure and glue the seal bag and cut open, the structure in the seal bag is glued to the structure is glued and is flowed out, and through sealed glue channel flow to sealed gluey inslot, sealed glue can fully be filled between angle of insertion and aluminium alloy skeleton, and it is big to avoid the follow-up injecting glue degree of difficulty, the inhomogeneous problem of injecting glue.

3. The utility model discloses in, the aluminium alloy skeleton can carry out the skeleton equipment after the phosphoric acid anodization earlier, has reduced the oxidation area, and need not through the molding process of polishing behind the equipment skeleton, has reduced the process step, has increased production efficiency, has practiced thrift the cost.

Drawings

Fig. 1 is a schematic structural view of a bullet train floor framework splicing structure provided by the present invention;

FIG. 2 is a schematic view of an external structure of an inserting corner in an inserting structure of a bullet train floor framework provided by the present invention;

fig. 3 is a schematic structural diagram of a connecting member in a bullet train floor skeleton splicing structure provided by the present invention.

In the figure: 1 inserted angle, 2 connection terminal surfaces, 3 wedge-shaped grooves, 4 connecting pieces, 5 cavities, 6 structural adhesive sealing bags, 7 sealant channels, 8 sealant grooves, 9 grooves, 10 self-tapping screw nail holes, 11 rotating shafts, 12 cutting blades and 14 aluminum profile frameworks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a bullet train floor skeleton grafting structure, including two inserted angle 1, it is worth mentioning that, inserted angle 1's leading-in end is the toper setting, conveniently inserted angle 1 inserts in aluminium alloy skeleton 14, two inserted angle 1 peg graft respectively in two perpendicular aluminium alloy skeleton 14 that set up, two inserted angle 1's connection terminal surface 2 is the inclined plane setting, and the contained angle between connection terminal surface 2 and the axis of inserted angle 1 is 45, be equipped with wedge recess 3 in the connection terminal surface 2, wedge recess 3's inclined plane is isosceles trapezoid and sets up, sliding connection has connecting piece 4 in the wedge recess 3.

The utility model discloses in, be equipped with cavity 5 in the angle of insertion 1, be equipped with the sealed bag 6 of structure glue in the cavity 5, the sealed bag 6 intussuseption is glued to the structure has high performance silicone structure to glue, be equipped with the sealed glue passageway 7 that many equidistance circumference distribute on the lateral wall of cavity 5, be equipped with sealed gluey groove 8 on the lateral wall of angle of insertion 1, it needs to explain, sealed gluey groove 8 is the heliciform setting, make sealed glue can fully fill between angle of insertion and aluminium alloy framework 14, it is big to avoid the follow-up injecting glue degree of difficulty, the inhomogeneous problem of injecting glue.

The utility model discloses in, sealed glue passageway 7 and sealed gluey groove 8 intercommunication, be equipped with recess 9 on the lateral wall of cavity 5, be equipped with in the recess 9 and be used for the cutting mechanism to 6 cutting of structural adhesive sealed bag, it needs to explain, cutting mechanism includes the pivot 11 of being connected with the lateral wall rotation of recess 9, fixedly connected with cutting blade 12 on the lateral wall of pivot 11, it is worth mentioning that, cutting blade 12 semicircular in shape sets up, and be equipped with the sawtooth on cutting blade 12's the lateral wall, conveniently cut structural adhesive sealed bag 6, the other end of pivot 11 runs through and extends to the upper surface setting of inserting angle 1, the upper end of pivot 11 is equipped with interior hexagonal recess, the surface of inserting angle 1 is equipped with self tapping screw pinholing department 10, countersunk head self tapping screw is pricked hole department 10 from the screw and is attacked, can fix aluminium alloy skeleton 14 and the position between the inserting angle 1, prevent.

The utility model discloses its functional principle is explained to following mode of operation of accessible: firstly, phosphoric acid anodizing is carried out on an aluminum profile framework 14, the oxidation area is reduced, the cost is saved, then two inserting angles 1 are vertically placed together, the connecting sections 2 of the two inserting angles 1 are tightly attached, the connecting piece 4 is inserted into the wedge-shaped groove 3, the two inserting angles 1 are fixed and stably connected, an inner hexagonal wrench is inserted into the inner hexagonal groove at the upper end of the rotating shaft 11, the rotating inner hexagonal wrench drives the rotating shaft 11 to rotate, the part number 12 can be driven to rotate, the operation is simple and convenient, the rotating shaft 11 drives the cutting blade 12 to rotate, the structural adhesive sealing bag 6 in the cavity is cut through the cutting blade 12, then the two inserting angles 1 are respectively inserted into the two aluminum profile frameworks 14 from the leading-in end, the structural adhesive in the structural adhesive sealing bag 6 flows into the sealing adhesive groove 8 through the sealant channel 7 and is fully filled between the inserting angles 1 and the aluminum profile frameworks 14, the stability between the inserting angles 1 and the aluminum profile frameworks 14 is, the problems of high difficulty and non-uniform glue injection in subsequent glue injection are solved, a polishing and shaping process is not needed after the framework is assembled, the process steps are reduced, and the production efficiency is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A bullet train floor framework splicing structure comprises two insertion angles (1) and is characterized in that the two insertion angles (1) are respectively spliced in two aluminum profile frameworks which are vertically arranged, the connecting end surfaces (2) of the two insertion angles (1) are arranged in an inclined plane, the included angle between the connecting end surfaces (2) and the central axes of the insertion angles (1) is 45 degrees, wedge-shaped grooves (3) are arranged in the connecting end surfaces (2), the inclined planes of the wedge-shaped grooves (3) are arranged in an isosceles trapezoid shape, connecting pieces (4) are connected in the wedge-shaped grooves (3) in a sliding mode, cavities (5) are arranged in the insertion angles (1), structural adhesive sealing bags (6) are arranged in the cavities (5), a plurality of sealant channels (7) which are circumferentially distributed at equal intervals are arranged on the side walls of the cavities (5), and sealant grooves (8) are arranged on the side walls of the insertion angles (1), the sealing glue channel (7) is communicated with a sealing glue groove (8), a groove (9) is formed in the side wall of the cavity (5), a cutting mechanism used for cutting the structural glue sealing bag (6) is arranged in the groove (9), and a self-tapping screw hole (10) is formed in the surface of the inserting angle (1).

2. The bullet train floor framework splicing structure is characterized in that the leading-in end of the splicing angle (1) is arranged in a conical shape.

3. The bullet train floor framework splicing structure according to claim 1, wherein the sealant groove (8) is spirally arranged.

4. The bullet train floor skeleton grafting structure of claim 1, characterized in that, the cutting mechanism includes the pivot (11) of being connected with the lateral wall rotation of recess (9), cutting blade (12) is fixedly connected with on the lateral wall of pivot (11), the other end of pivot (11) is run through and is extended to the upper surface setting of inserting angle (1), the upper end of pivot (11) is equipped with interior hexagonal recess.

5. The bullet train floor skeleton splicing structure of claim 4, wherein the cutting blade (12) is arranged in a semicircular shape, and the side wall of the cutting blade (12) is provided with saw teeth.