CN211685351U - Connecting structure for front and rear walls of top cover and framework of passenger car - Google Patents
Connecting structure for front and rear walls of top cover and framework of passenger car Download PDFInfo
- Publication number
- CN211685351U CN211685351U CN202020238276.4U CN202020238276U CN211685351U CN 211685351 U CN211685351 U CN 211685351U CN 202020238276 U CN202020238276 U CN 202020238276U CN 211685351 U CN211685351 U CN 211685351U
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- China
- Prior art keywords
- rectangular pipe
- mounting
- steel
- aluminium
- steel rectangular
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 69
- 239000010959 steel Substances 0.000 claims abstract description 69
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 59
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000004411 aluminium Substances 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 abstract description 3
- 239000013585 weight reducing agent Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
Abstract
The utility model provides a connection structure that encloses around passenger train top cap and skeleton, includes steel rectangular pipe and aluminium rectangular pipe, be equipped with the mounting between steel rectangular pipe and the aluminium rectangular pipe, the transversal I shape of personally submitting of mounting, steel rectangular pipe and aluminium rectangular pipe insert the both sides of locating the mounting respectively, and a plurality of mounting holes have been seted up to the one side of keeping away from the mounting of steel rectangular pipe, and mounting, steel rectangular pipe and aluminium rectangular pipe insert and are equipped with a plurality of connecting pieces, the connecting piece sets up with the mounting hole one-to-one. Compared with the prior art, the utility model discloses in, install one side of mounting at the aluminium rectangular pipe, then insert the opposite side at the mounting with the steel rectangular pipe. The mounting can prevent that steel rectangular pipe and aluminium rectangular pipe from reciprocating, and simple to operate. The rivet or the screw rod penetrates through the mounting hole to fix the fixing piece, the steel rectangular pipe and the aluminum rectangular pipe together, the steel rectangular pipe and the aluminum rectangular pipe are prevented from moving back and forth, the steel rectangular pipe and the aluminum rectangular pipe are not easy to tear due to the existence of the fixing piece, and the fixing effect is good.
Description
Technical Field
The utility model belongs to the production preparation field of passenger train and spare part thereof, especially a connection structure who encloses around passenger train top cap and skeleton.
Background
At present, the new energy passenger car industry is rapidly developed, the mass of the whole car greatly influences the energy consumption of the car and the battery endurance mileage, and the light weight of the car body is an important subject of research of various car manufacturers. The all-aluminum alloy vehicle body has the advantages that the weight reduction ratio is obvious by utilizing the low density of the aluminum material, but the strength of the part with larger stress of the whole vehicle is lower than that of a steel skeleton, and the cost of the all-aluminum whole vehicle is higher; the structure of the steel-aluminum hybrid vehicle body is that a balance point is sought from the weight reduction, the strength and the cost. According to the real vehicle data, the following data are shown: only the top cover framework and the skin are made of aluminum alloy, the weight reduction accounts for about 40% of the weight reduction of the all-aluminum vehicle body, the cost only accounts for one of five parts, the key point strength of the whole vehicle is effectively guaranteed, and the performance price ratio is sufficient. However, the weldability of steel and aluminum is poor, the equipment investment is large, the cost is high, and the process is complex. The patent with publication number CN207889843U discloses a connecting structure of a passenger car aluminum alloy top cover and a steel skeleton front and rear wall, which comprises a steel rectangular pipe and an aluminum rectangular pipe, wherein the steel rectangular pipe is in contact with the aluminum rectangular pipe, a plurality of single-side round holes along the axial direction of the contact surface of the steel rectangular pipe and the aluminum rectangular pipe are formed in the non-contact surface of the steel rectangular pipe, a rivet is matched and penetrated in the single-side round holes, and the aluminum rectangular pipe and the steel rectangular pipe are riveted on the contact surface of the steel rectangular pipe and the aluminum rectangular pipe by the rivet; a plurality of iron-embedding auxiliary pieces are further welded at the bottom of the steel rectangular pipe, and the horizontal plane of each iron-embedding auxiliary piece is perpendicular to the contact surface of the steel rectangular pipe and the contact surface of the aluminum rectangular pipe. The connecting structure can ensure that the steel and aluminum rectangular pipes are reliably connected in two orthogonal directions, so that the rivet is prevented from being subjected to overlarge shearing force in one direction; however, the aluminum rectangular tube and the steel rectangular tube riveted by the rivet are generally thinner in wall thickness, easy to tear and deform, and low in firmness. Secondly, bury indisputable auxiliary member and the rivet above expose outside, cause the potential safety hazard easily.
Therefore, it is necessary to provide a new connecting structure for a roof and a front and rear side of a frame of a passenger car to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a connection structure that encloses around passenger train top cap and the skeleton that simple structure, firmness are high and the security is high is provided.
The utility model provides a technical scheme that its technical problem adopted, a connection structure who encloses around passenger train top cap and skeleton, including steel rectangular pipe and aluminium rectangular pipe, be equipped with the mounting between steel rectangular pipe and the aluminium rectangular pipe, the transversal I shape of personally submitting of mounting, steel rectangular pipe and aluminium rectangular pipe insert the both sides of locating the mounting respectively, a plurality of mounting holes have been seted up to the one side of keeping away from the mounting of steel rectangular pipe, mounting, steel rectangular pipe and aluminium rectangular pipe insert and are equipped with a plurality of connecting pieces, the connecting piece sets up with the mounting hole one-to-one.
Preferably, the connecting piece is a rivet or a screw.
Preferably, the top and the bottom of the steel rectangular pipe are both provided with a limiting groove matched with the fixing piece, the steel rectangular pipe and the fixing piece are provided with two smooth cambered surfaces, and the two cambered surfaces are arranged along the height direction of the fixing piece.
Preferably, both ends of the fixing part are in a rounded structure.
Preferably, the thickness of the fixing piece arranged between the steel rectangular pipe and the aluminum rectangular pipe is larger than the wall thickness of the steel rectangular pipe and the wall thickness of the aluminum rectangular pipe.
Compared with the prior art, the utility model discloses in, install one side of mounting at the aluminium rectangular pipe, then insert the opposite side at the mounting with the steel rectangular pipe. The I-shaped structure of the fixing piece can limit the steel rectangular pipe and the aluminum rectangular pipe to move up and down, and the installation is convenient. The rivet or the screw rod penetrates through the mounting hole to fix the fixing piece, the steel rectangular pipe and the aluminum rectangular pipe together, the steel rectangular pipe and the aluminum rectangular pipe are prevented from moving back and forth, the steel rectangular pipe and the aluminum rectangular pipe are not easy to tear due to the existence of the fixing piece, and the fixing effect is good.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the connection structure of the present invention;
FIG. 3 is an exploded view of FIG. 2;
fig. 4 is a schematic structural view of another viewing angle of the present invention;
fig. 5 is a schematic cross-sectional view of the present invention.
In the figure:
1. the steel rectangular pipe, 11 mounting holes, 12 limiting grooves, 2 aluminum rectangular pipes, 3 fixing pieces, 4 connecting pieces and 5 cambered surfaces.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to the attached drawings 1, 2, 3 and 5, this embodiment includes steel rectangular pipe 1 and aluminium rectangular pipe 2, be equipped with mounting 3 between steel rectangular pipe 1 and the aluminium rectangular pipe 2, the transversal I shape that personally submits of mounting 3, steel rectangular pipe 1 and aluminium rectangular pipe 2 insert the both sides of locating mounting 3 respectively, a plurality of mounting holes 11 have been seted up to the one side of keeping away from mounting 3 of steel rectangular pipe 1, mounting 3, steel rectangular pipe 1 and aluminium rectangular pipe 2 are inserted and are equipped with a plurality of connecting pieces 4, connecting piece 4 is with mounting 3, steel rectangular pipe 1 and aluminium rectangular pipe 2 are fixed together, connecting piece 4 sets up with 11 one-to-one in mounting hole. The connecting piece 4 is conveniently arranged on the fixing piece 3, the steel rectangular pipe 1 and the aluminum rectangular pipe 2 after penetrating through the mounting hole 11.
The connecting piece 4 is a rivet, and a riveter penetrates through the mounting hole 11 to fix the fixing piece 3, the steel rectangular pipe 1 and the aluminum rectangular pipe 2 together by the rivet.
The connecting piece 4 is a screw rod, and the screw rod is in threaded connection with the fixing piece 3, the steel rectangular pipe 1 and the aluminum rectangular pipe 2 respectively. The screw rod passes through the mounting hole 11 and is arranged on the fixing piece 3, the steel rectangular pipe 1 and the aluminum rectangular pipe 2, so that the three are fixedly connected together.
In this embodiment, the connecting member 4 is a rivet.
The spacing groove 12 with 3 looks adaptations of mounting is all seted up to the top and the bottom of steel rectangular pipe 1, and steel rectangular pipe 1 is formed with two smooth cambered surfaces 5 with mounting 3, and two cambered surfaces 5 set up along the direction of height of its mounting 3. This setting makes the whole surface that steel rectangular pipe 1, aluminium rectangular pipe 2 and mounting 3 formed level and smooth, does not have extra increase protruding thing, avoids arousing the potential safety hazard. Secondly, the shape of the bus is not changed, the occupied space is unchanged, and the coordination with the whole bus is better.
The thickness that mounting 3 was located between steel rectangular pipe 1 and the aluminium rectangular pipe 2 all is greater than the wall thickness of steel rectangular pipe 1 and the wall thickness of aluminium rectangular pipe 2. The steel rectangular pipe 1, the aluminum rectangular pipe 2 and the fixing piece 3 are fixed together by the rivet or the screw, and the fixing piece 3 cannot be easily torn due to the increased thickness, so that the stability of the whole connecting structure is facilitated.
Example two
This embodiment is substantially the same as the first embodiment, except that:
referring to fig. 4, the two ends of the fixing member 3 are rounded off, the design of the rounded off corners can avoid scratching them, and the steel rectangular tube 1 and the aluminum rectangular tube 2 can effectively maintain the structural strength thereof while remaining unchanged.
The utility model discloses in, install one side of mounting 3 at aluminium rectangular pipe 2, then insert steel rectangular pipe 1 at the opposite side of mounting 3. The I-shaped structure of the fixing piece 3 can limit the steel rectangular pipe 1 and the aluminum rectangular pipe 2 to move up and down, and the installation is convenient. The rivet or the screw rod penetrates through the mounting hole 11 to fix the fixing piece 3, the steel rectangular pipe 1 and the aluminum rectangular pipe 2 together, so that the steel rectangular pipe 1 and the aluminum rectangular pipe 2 are prevented from moving back and forth, the steel rectangular pipe 1 and the aluminum rectangular pipe 2 are not easy to tear and deform due to the existence of the fixing piece 3, and the fixing effect is good.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a connection structure that encloses around passenger train top cap and skeleton, a serial communication port, including steel rectangular pipe and aluminium rectangular pipe, be equipped with the mounting between steel rectangular pipe and the aluminium rectangular pipe, the transversal I shape of personally submitting of mounting, the both sides of locating the mounting are inserted respectively to steel rectangular pipe and aluminium rectangular pipe, a plurality of mounting holes have been seted up to the one side of keeping away from the mounting of steel rectangular pipe, mounting, steel rectangular pipe and aluminium rectangular pipe are inserted and are equipped with a plurality of connecting pieces, the connecting piece sets up with the mounting hole one-to-one.
2. The connecting structure of the passenger car roof and the front and rear walls of the framework as claimed in claim 1, wherein the connecting member is a rivet or a screw.
3. The connecting structure of the top cover and the front and rear walls of the framework of the passenger car according to claim 2, wherein the top and the bottom of the rectangular steel tube are respectively provided with a limiting groove matched with the fixing piece, two smooth cambered surfaces are formed on the rectangular steel tube and the fixing piece, and the two cambered surfaces are arranged along the height direction of the fixing piece.
4. The connecting structure of the top cover and the front and rear walls of the framework of the passenger car as claimed in claim 2, wherein two ends of the fixing piece are in a rounded structure.
5. The connecting structure of the passenger car roof and the front and rear walls of the framework as claimed in claim 3 or 4, wherein the thickness of the fixing member between the steel rectangular tube and the aluminum rectangular tube is greater than the wall thickness of the steel rectangular tube and the wall thickness of the aluminum rectangular tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020238276.4U CN211685351U (en) | 2020-03-02 | 2020-03-02 | Connecting structure for front and rear walls of top cover and framework of passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020238276.4U CN211685351U (en) | 2020-03-02 | 2020-03-02 | Connecting structure for front and rear walls of top cover and framework of passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211685351U true CN211685351U (en) | 2020-10-16 |
Family
ID=72777510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020238276.4U Expired - Fee Related CN211685351U (en) | 2020-03-02 | 2020-03-02 | Connecting structure for front and rear walls of top cover and framework of passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211685351U (en) |
-
2020
- 2020-03-02 CN CN202020238276.4U patent/CN211685351U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 |