CN211364553U - Outer cover plate assembly for seat back of railway vehicle - Google Patents
Outer cover plate assembly for seat back of railway vehicle Download PDFInfo
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- CN211364553U CN211364553U CN201921695613.6U CN201921695613U CN211364553U CN 211364553 U CN211364553 U CN 211364553U CN 201921695613 U CN201921695613 U CN 201921695613U CN 211364553 U CN211364553 U CN 211364553U
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- seat
- cover plate
- outer cover
- backrest
- boss
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Abstract
The outer cover plate assembly for the seat backrest of the railway vehicle comprises an outer cover plate main body, an upper backrest hanging seat and a middle backrest hanging seat; the outer cover plate main body is integrally formed by adopting a die-casting die, and a seat framework avoiding notch is processed at the bottom of the outer cover plate main body; a first boss and a second boss are processed on two sides of the avoidance gap; the outer cover plate main body is fixedly arranged on the seat framework through connecting holes in the first boss and the second boss; a reinforcing block is processed at the upper end of the outer cover plate main body, and a handle mounting hole is processed on the reinforcing block; the outer cover plate main body is also provided with a third boss, and a U-shaped limiting groove is processed on the third boss; four cylindrical bosses are processed in the middle of the outer cover plate main body, the two cylindrical bosses positioned on the upper side are used for being connected and fixed with the backrest spring frame, the cylindrical bosses positioned on the lower side are used for being connected and fixed with the hanging seat in the backrest, and the hanging seat on the backrest is fixed on the third boss. The outer cover plate is simple to assemble and can be used for bearing the backrest, so that the overall weight of the seat is greatly reduced.
Description
Technical Field
The utility model belongs to the rail vehicle field, specific theory relates to a rail vehicle seat back outer cover plate is constituteed.
Background
The outer cover plate on the existing railway vehicle seat is installed on a seat framework through bolts, and mainly plays a role in decoration. The outer cover plate with the structure ensures the attractiveness of the seat, increases the whole weight of the seat, and is difficult to control the assembly tolerance due to the complex structure and large assembly amount of the outer cover plate, the seat is poor in consistency, and the overall attractiveness of the seat is affected, so that the structure of the conventional outer cover plate is necessarily improved.
Disclosure of Invention
An object of the utility model is to provide a rail vehicle seat back housing plate is constituteed to it is complicated to solve current housing plate assembling process, and the assembly volume is big, technical problem that whole weight is big behind the seat installation housing plate.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the outer cover plate assembly for the seat backrest of the railway vehicle comprises an outer cover plate main body, an upper backrest hanging seat and a middle backrest hanging seat; the outer cover plate main body is integrally formed by adopting a die-casting die, and a seat framework avoiding opening is processed at the bottom of the outer cover plate main body; a first boss and a second boss are processed on two sides of a seat framework avoiding opening on the outer cover plate main body; the first boss is arranged above the second boss, and two connecting holes are processed in the vertical direction of the first boss; the second boss is provided with a connecting hole, and the outer cover plate main body is fixedly arranged on the seat framework through the connecting holes on the first boss and the second boss; a reinforcing block is processed at the position of the upper end of the outer cover plate main body, which is provided with a backrest handle, and a handle mounting hole is processed on the reinforcing block; the handle mounting hole penetrates through the reinforcing block and the outer cover plate main body; a third boss is arranged on the outer cover plate main body and close to the handle mounting hole, a U-shaped limiting groove is processed on the third boss, and a backrest upper hanging seat mounting hole is processed on the U-shaped limiting groove; the middle part of the outer cover plate main body is processed with vertical reinforcing ribs which are distributed in a rectangular shape, four cylindrical bosses are processed at positions close to the vertical reinforcing ribs, each cylindrical boss is processed with internal threads, two cylindrical bosses positioned on the upper part are used for being connected and fixed with a backrest spring frame, and two cylindrical bosses positioned on the lower part are used for being connected and fixed with a hanging seat in a backrest;
one end of the backrest upper hanging seat is a U-shaped connecting part, the other end of the backrest upper hanging seat is a first hanging part, the U-shaped connecting part is arranged in the U-shaped limiting groove, a hole is processed in the U-shaped connecting part, and a bolt penetrates through the hole in the U-shaped connecting part and is fixedly installed on the third boss;
hang seat one end in the back for connecting spacing portion, the other end is the second portion of linking up, connect spacing portion for falling L shape, the tip processing of connecting spacing portion has the strengthening rib to dodge the opening, and the below processing that the opening was dodged to the strengthening rib is porose, connects spacing portion overlap joint on two cylinder bosss that lie in below to in dodging the opening with vertical strengthening rib in, the bolt passes the hole installation of connecting spacing portion and fixes on the cylinder boss.
As the utility model discloses a preferred, hang the first portion of linking up of seat on the back and hang the second portion of linking up of seat in the back and be the hook-shaped, all offer the stress relief round hole on the first portion of linking up of seat on the back and the second portion of linking up of seat in the back.
As the optimization of the utility model, the surfaces of the hanging seat on the backrest and the hanging seat in the backrest are galvanized.
As the utility model discloses a preferred for the top surface of two cylinder bosss that are arranged in the installation seat of hanging in the back is the horizontal plane, hangs in the back on the spacing portion of being connected of seat with the overlap joint face of cylinder boss contact equally be the horizontal plane.
The utility model has the advantages of it is following and positive effect:
(1) the utility model discloses an adopt die casting die integrated into one piece is constituteed to the back outer cover plate, mainly adopts the boss to strengthen in the installation cooperation, and the mode of bolt installation designs, and the assembly is simple, and the structure is reliable, and mainly adopts the form of inside reasonable upright muscle of arranging to design in the aspect of intensity is arranged, has both guaranteed holistic intensity, again greatly reduced the weight of totality, and the die casting die shaping possesses good uniformity, for interchangeability provides the convenience afterwards.
(2) The seat outer cover plate composition of the utility model not only plays a decorative role, but also is used for bearing the backrest composition, thereby greatly reducing the weight of the whole seat, and fixing the backrest spring frame and the backrest middle hanging seat by tapping the cylindrical boss in the specific use process; and because the two parts of the backrest spring frame and the outer cover plate mainly bear the weight of the backrest and the stress of passengers, the four holes are reinforced by the vertical reinforcing ribs, the stress in each direction can be effectively reinforced, and the influence on the service life of the outer cover plate of the backrest due to the deformation caused by long-time and instantaneous stress is avoided.
(3) The chair outer cover plate of the utility model is designed in a boss type from top to bottom when being connected with the framework, the upper part is the main body stress point, and two holes are adopted for fixing, so that the risk of fracture of single bolt fixing can be prevented; the lower part plays a role in assisting stress, and forms a force arm structure with the upper part, so that higher impact force and passenger dependence force can be borne, the service life of the seat is prolonged, and the deformation of the seat is reduced.
Drawings
Fig. 1 is one of the structural schematic diagrams of the backrest outer cover plate of the present invention.
Fig. 2 is a second schematic structural view of the backrest cover plate of the present invention.
Fig. 3 is a schematic structural view of the outer cover plate main body of the present invention.
Fig. 4 is a schematic view of the seat hanging on the backrest of the utility model.
Fig. 5 is a schematic view of the hanging seat in the backrest of the present invention.
Fig. 6 is a schematic view of the connection between the outer cover plate main body and the seat hanging on the backrest.
Fig. 7 is a schematic view of the connection between the outer cover plate main body and the hanging seat in the backrest of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 7, the outer cover plate assembly for a seat back of a railway vehicle provided by the present invention comprises an outer cover plate main body 1, a seat hanging seat 2 on the seat back, and a seat hanging seat 3 in the seat back; the outer cover plate main body is integrally formed by adopting a die-casting die, and a seat framework avoiding notch 11 is processed at the bottom of the outer cover plate main body; a first boss 12 and a second boss 13 are processed on two sides of a seat framework avoiding opening on the outer cover plate main body; the first boss is arranged above the second boss, and two connecting holes 14 are processed in the vertical direction of the first boss; the second boss is provided with a connecting hole, and the outer cover plate main body 1 is fixedly arranged on the seat framework through the connecting holes on the first boss and the second boss; a reinforcing block 15 is processed at the position of the upper end of the outer cover plate main body where a backrest handle is installed, and a handle installation hole 16 is processed on the reinforcing block; the handle mounting hole penetrates through the reinforcing block and the outer cover plate main body; a third boss 17 is arranged on the outer cover plate main body and close to the handle mounting hole, a U-shaped limiting groove 18 is processed on the third boss, and a backrest upper hanging seat mounting hole 19 is processed on the U-shaped limiting groove; the middle part of the outer cover plate main body is provided with a rectangular vertical reinforcing rib 110, four cylindrical bosses 111 are arranged at positions close to the vertical reinforcing rib, each cylindrical boss is provided with an internal thread (a steel wire thread sleeve can be embedded in the internal thread of the cylindrical boss to ensure the installation strength), the two cylindrical bosses positioned at the upper part are used for being connected and fixed with the backrest spring frame, and the two cylindrical bosses positioned at the lower part are used for being connected and fixed with the backrest middle hanging seat 3;
one end of the backrest upper hanging seat 2 is a U-shaped connecting part 21, the other end of the backrest upper hanging seat is a first hanging part 22, the U-shaped connecting part is arranged in a U-shaped limiting groove, a hole is processed in the U-shaped connecting part, and a bolt penetrates through the hole in the U-shaped connecting part and is fixedly arranged on a third boss;
one end of the backrest middle hanging seat 3 is provided with a connection limiting part 31, the other end of the backrest middle hanging seat is provided with a second hanging part 32, the connection limiting part is in an inverted L shape, a reinforcing rib avoiding notch 311 is processed at the end part of the connection limiting part, a hole is processed below the reinforcing rib avoiding notch, the connection limiting part is lapped on two cylindrical bosses positioned below the connection limiting part, the vertical reinforcing rib is arranged in the reinforcing rib avoiding notch, and a bolt passes through the hole on the connection limiting part and is installed and fixed on the cylindrical bosses;
furthermore, the first hanging part of the hanging seat on the backrest and the second hanging part of the hanging seat in the backrest are both in a hook shape, and stress relief round holes 23 and 33 are formed in the first hanging part of the hanging seat on the backrest and the second hanging part of the hanging seat in the backrest so as to relieve stress generated by stamping; the top surfaces of the two cylindrical bosses for mounting the hanging seat in the backrest are horizontal planes, and the lap joint surface of the connecting limiting part of the hanging seat in the backrest, which is contacted with the cylindrical bosses, is also a horizontal plane;
the surfaces of the hanging seat on the backrest and the hanging seat in the backrest are galvanized, so that the backrest is rust-proof and corrosion-proof.
The above only is the concrete embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can easily change and modify the structure of the present invention within the scope of the present invention.
Claims (4)
1. The outer cover plate assembly for the seat backrest of the railway vehicle is characterized by comprising an outer cover plate main body, an upper backrest hanging seat and a middle backrest hanging seat; the outer cover plate main body is integrally formed by adopting a die-casting die, and a seat framework avoiding opening is processed at the bottom of the outer cover plate main body; a first boss and a second boss are processed on two sides of a seat framework avoiding opening on the outer cover plate main body; the first boss is arranged above the second boss, and two connecting holes are processed in the vertical direction of the first boss; the second boss is provided with a connecting hole, and the outer cover plate main body is fixedly arranged on the seat framework through the connecting holes on the first boss and the second boss; a reinforcing block is processed at the position of the upper end of the outer cover plate main body, which is provided with a backrest handle, and a handle mounting hole is processed on the reinforcing block; the handle mounting hole penetrates through the reinforcing block and the outer cover plate main body; a third boss is arranged on the outer cover plate main body and close to the handle mounting hole, a U-shaped limiting groove is processed on the third boss, and a backrest upper hanging seat mounting hole is processed on the U-shaped limiting groove; the middle part of the outer cover plate main body is processed with vertical reinforcing ribs which are distributed in a rectangular shape, four cylindrical bosses are processed at positions close to the vertical reinforcing ribs, each cylindrical boss is processed with internal threads, two cylindrical bosses positioned on the upper part are used for being connected and fixed with a backrest spring frame, and two cylindrical bosses positioned on the lower part are used for being connected and fixed with a hanging seat in a backrest;
one end of the backrest upper hanging seat is a U-shaped connecting part, the other end of the backrest upper hanging seat is a first hanging part, the U-shaped connecting part is arranged in the U-shaped limiting groove, a hole is processed in the U-shaped connecting part, and a bolt penetrates through the hole in the U-shaped connecting part and is fixedly installed on the third boss;
hang seat one end in the back for connecting spacing portion, the other end is the second portion of linking up, connect spacing portion for falling L shape, the tip processing of connecting spacing portion has the strengthening rib to dodge the opening, and the below processing that the opening was dodged to the strengthening rib is porose, connects spacing portion overlap joint on two cylinder bosss that lie in below to in dodging the opening with vertical strengthening rib in, the bolt passes the hole installation of connecting spacing portion and fixes on the cylinder boss.
2. The railway vehicle seat back outer cover plate assembly as claimed in claim 1, wherein the first hanging portion of the upper seat of the backrest and the second hanging portion of the middle seat of the backrest are both in a hook shape, and the first hanging portion of the upper seat of the backrest and the second hanging portion of the middle seat of the backrest are both provided with stress relief circular holes.
3. The railway vehicle seat back outer cover plate assembly as claimed in claim 1, wherein the surfaces of the upper hanging seat and the middle hanging seat of the backrest are galvanized.
4. The railway vehicle seat back outer cover plate assembly as claimed in claim 1, wherein the top surfaces of the two cylindrical bosses for mounting the hanging seat in the back are horizontal surfaces, and the lap surfaces of the connection limiting parts of the hanging seat in the back, which are in contact with the cylindrical bosses, are also horizontal surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921695613.6U CN211364553U (en) | 2019-10-11 | 2019-10-11 | Outer cover plate assembly for seat back of railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921695613.6U CN211364553U (en) | 2019-10-11 | 2019-10-11 | Outer cover plate assembly for seat back of railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211364553U true CN211364553U (en) | 2020-08-28 |
Family
ID=72172173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921695613.6U Active CN211364553U (en) | 2019-10-11 | 2019-10-11 | Outer cover plate assembly for seat back of railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211364553U (en) |
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2019
- 2019-10-11 CN CN201921695613.6U patent/CN211364553U/en active Active
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