CN111791908B - Rail vehicle and seat thereof - Google Patents
Rail vehicle and seat thereof Download PDFInfo
- Publication number
- CN111791908B CN111791908B CN202010741700.1A CN202010741700A CN111791908B CN 111791908 B CN111791908 B CN 111791908B CN 202010741700 A CN202010741700 A CN 202010741700A CN 111791908 B CN111791908 B CN 111791908B
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- Prior art keywords
- cushion
- seat
- framework
- steel pipe
- floor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D33/00—Seats
- B61D33/0007—Details; Accessories
- B61D33/0014—Seat frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D33/00—Seats
- B61D33/0007—Details; Accessories
- B61D33/0035—Cushions or the like; Covers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D33/00—Seats
- B61D33/0057—Seats characterised by their mounting in vehicles
- B61D33/0064—Seats characterised by their mounting in vehicles not adjustably mounted; supports therefor
Abstract
The invention relates to the technical field of seats, in particular to a railway vehicle and a seat thereof. The seat comprises a framework, supporting legs, a seat cushion and a back cushion; the tops of the supporting legs are fixedly connected with the framework and used for supporting the framework on the floor of the railway vehicle; mounting through holes for penetrating bolts are formed in the bottom of the supporting leg and one end part, far away from the supporting leg, of the framework; the cushion and the back cushion are elastically clamped on the framework. The seat has the characteristics of simple disassembly and assembly, convenience, rapidness, time saving and labor saving.
Description
Technical Field
The application relates to the technical field of seats, in particular to a railway vehicle and a seat thereof.
Background
The passenger seat is a necessary device on a railway vehicle, and generally comprises a framework, a cushion and a back cushion, wherein the seat is installed on a vehicle body through the framework, the upper part of the back cushion is inserted into a cavity of the framework through a self-contained plug-in unit, the lower part of the back cushion is fixedly installed on the framework through a fastener such as a screw or a bolt, the rear end part of the cushion is inserted into the cavity of the framework through the self-contained plug-in unit, and the front end part of the cushion is fixed on the framework through a fastener such as a self-contained threaded joint and a screw.
In summary, because the back cushion and the seat cushion are both required to be fixedly installed on the framework by using screws or bolts, the screws or bolts are required to be disassembled and assembled when the existing seat is replaced or repaired every time, and the problems of time and labor waste exist.
Disclosure of Invention
The embodiment of the application provides a rail vehicle and a seat thereof, and the seat has the characteristics of simplicity in disassembly and assembly, convenience, rapidness, time saving and labor saving.
According to a first aspect of embodiments of the present application, there is provided a seat comprising a frame, legs, a seat cushion and a back cushion;
the tops of the supporting legs are fixedly connected with the framework and used for supporting the framework on the floor of the railway vehicle; the inside of the supporting leg is a cavity, and one side of the supporting leg is provided with an operation window communicated with the cavity; the support leg is provided with a detachable support leg cover plate, and the support leg cover plate is used for sealing the operation window;
mounting through holes for penetrating bolts are formed in the bottom of the supporting leg and one end part, far away from the supporting leg, of the framework;
the cushion and the back cushion are elastically clamped on the framework.
Preferably, the framework comprises a front end steel pipe and a rear end steel pipe for installing the cushion;
the cushion is provided with a cushion plug connector at one side facing the back cushion, and a cushion limiting clamping hook capable of elastically deforming is arranged at one side far away from the back cushion;
the cushion plug connector is inserted at the bottom of the rear-end steel pipe and is abutted with the rear-end steel pipe;
the cushion limiting clamping hook is provided with a direction towards the cushion clamping portion of the front end steel pipe, and the cushion clamping portion is connected with the front end steel pipe in a clamping mode.
Preferably, the cushion plug connector is provided with an arc-shaped plate which is abutted to the rear end steel pipe.
Preferably, the cushion limiting hook comprises a main hook and an auxiliary hook;
the cushion clamping part of the main clamping hook is a right-angled groove;
the cushion clamping part of the auxiliary clamping hook is an arc-shaped groove matched with the peripheral surface of the front end steel pipe in shape;
the outer peripheral surface of the front end steel pipe is welded with a right-angle shaped plate corresponding to the right-angle shaped groove in position and shape, and the right-angle shaped plate is clamped in the right-angle shaped groove in a shape matching mode.
Preferably, the cushion limiting clamping hook comprises a main clamping hook and two auxiliary clamping hooks, and the main clamping hook is located between the two auxiliary clamping hooks.
Preferably, the cushion limiting clamping hook is also provided with a force application part;
when external force acts on the force application part, the cushion limiting clamping hook is elastically deformed, and the cushion clamping part is separated from the front end steel pipe.
Preferably, the back cushion is provided with a back cushion clamping hook at the bottom of one side facing the framework, and a back cushion plug connector is arranged at the upper part of one side facing the framework;
the framework is provided with slots which correspond to the back cushion plug connectors one by one;
the back cushion plug connector is in plug fit with the slot and is abutted with the framework;
the back cushion clamping hook is provided with a back cushion clamping portion, and the back cushion clamping portion is clamped on the outer peripheral surface of the top of the rear end steel pipe.
Preferably, the back cushion plug connector is a bent plate-shaped part;
the back cushion clamping part is an arc-shaped groove matched with the shape of the outer peripheral surface of the top of the rear end steel pipe.
In addition, according to a second aspect of the embodiment of the application, a rail vehicle is further provided, and the rail vehicle comprises a vehicle body, a floor and any one of the seats provided by the technical scheme;
the bottom of the supporting leg of the seat is fixedly installed on the floor through a bolt, and one end part, far away from the supporting leg, of the framework is fixedly installed on the side wall of the vehicle body through a bolt.
Preferably, a fixed seat is welded on the side wall, the cross section of the fixed seat is of a C-shaped structure, and a sliding groove with an opening is formed;
a T-shaped sliding block is arranged in the sliding groove of the fixed seat, and a convex part of the T-shaped sliding block is positioned in the opening and used for limiting the T-shaped sliding block in the fixed seat;
the T-shaped sliding block is provided with a through hole for penetrating the bolt;
and a screw rod of the bolt sequentially penetrates through the through hole of the T-shaped sliding block, is fixedly arranged on the inner wall plate of the side wall and is in threaded connection with the nut after the installation through hole of the framework, and is used for fixedly connecting one end part of the framework to the side wall.
Preferably, the upper side wall and the lower side wall of the fixed seat are both provided with air holes;
the built-in wallboard is provided with a wallboard section at the position where the bolt penetrates through;
and an adjusting gasket is arranged between the fixed seat and the wallboard section.
Preferably, a stepped reinforcing plate is fixedly installed on the floor opposite to the supporting leg through a countersunk head screw;
the floor is provided with a stepped hole matched with the stepped reinforcing plate in shape, and the aperture of one side, facing the landing leg, of the stepped hole is smaller than the aperture of one side, away from the landing leg, of the stepped hole;
the stepped reinforcing plate is provided with a threaded hole corresponding to the mounting through hole at the bottom of the supporting leg;
and a screw rod of the bolt sequentially penetrates through the gasket, the mounting through hole of the supporting leg, the rubber pad and the floor cloth and is in threaded connection with the threaded hole in the stepped reinforcing plate, so that the supporting leg is fixedly mounted on the floor.
Preferably, the stepped reinforcing plate is provided with lightening holes, and the periphery of the stepped reinforcing plate adopts fillet transition;
the stepped reinforcing plate and the floor are compensated through adhesive glue.
Preferably, the bottom of the landing leg is provided with a pit for accommodating the rubber pad, and the rubber pad is used for realizing sealing between the landing leg and the floor.
Adopt rail vehicle and seat that provides in this application embodiment, have following beneficial effect:
the cushion and the cushion of above-mentioned seat all carry out the fixed mounting on the skeleton of seat through the mounting means fixed mounting of elasticity joint, compare with the mounting means that adopts screw or bolt to fix among the prior art, the seat that provides in this application embodiment only needs can accomplish the assembly between cushion and skeleton and cushion and the skeleton through the joint, need not to relapse fasteners such as dismouting screw or bolt, consequently, above-mentioned seat has the characteristics that the dismouting is simple, convenient quick and labour saving and time saving.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a seat provided in an embodiment of the present application;
FIG. 2 is a schematic view of an assembly structure between the seat and the sidewall provided in FIG. 1;
FIG. 3 is a schematic view of the assembly between the seat and the floor provided in FIG. 1;
FIG. 4 is a schematic view of the seat of FIG. 1 showing the structure in the direction A with the legs omitted;
FIG. 5 is a schematic view of the seat shown in FIG. 1 showing the structure in the direction B with the legs omitted;
FIG. 6 is a side view of the back of the seat provided in FIG. 1;
FIG. 7 is a schematic view of the F-direction structure of the back pad provided in FIG. 6;
FIG. 8 is a bottom view of the seat cushion of the seat provided in FIG. 1;
FIG. 9 is a schematic cross-sectional view of the seat cushion provided in FIG. 8 in the direction G-G;
figure 10 is a cross-sectional view of the seat cushion provided in figure 8 in the direction H-H;
FIG. 11 is an enlarged partial schematic view of the seat provided in FIG. 4 at section C;
FIG. 12 is an enlarged partial schematic view of the seat provided in FIG. 5 at section D;
FIG. 13 is an enlarged partial schematic view of the seat provided in FIG. 5 at section E;
fig. 14 is a schematic view of a clamping structure between a main hook of a seat cushion and a front end steel pipe of a framework;
fig. 15 is a schematic diagram of the insertion structure between the cushion insertion member of the back cushion and the insertion slot of the frame.
Reference numerals:
1-a seat; 2-floor board; 3-side walls; 4-fixing the base; 5-T-shaped sliding blocks; 31-interior wall panels; 32-wallboard section bar; 6-stepped reinforcing plate; 7-bolt; 8-countersunk head screw; 9-rubber pad; 11-a backbone; 12-a leg; 13-cushion; 14-back cushion; 111-front end steel pipe; 112-rear end steel pipe; 113-a slot; 121-leg cover plate; 131-a cushion plug connector; 132-a primary hook; 133-secondary hook; 141-cushion hook; 142-cushion plug-in unit.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that, in the embodiment of the present application, the longitudinal direction is a running direction of the rail vehicle, the transverse direction is a width direction of the rail vehicle, and the vertical direction is a height direction or a vertical direction of the rail vehicle. In rail vehicles, the domestic and european impact vibration requirements that are commonly used for the seat 1 are: the maximum impact acceleration capable of being borne in the longitudinal direction is 3g, the maximum impact acceleration capable of being borne in the transverse direction is 1g, and the maximum impact acceleration capable of being borne in the vertical direction is 1.5 g; north america, however, requires a greater impact acceleration for the seat 1, with a longitudinal requirement to be able to withstand a maximum impact acceleration of 8g, a lateral requirement to be able to withstand a maximum impact acceleration of 4g, and a vertical requirement to be able to withstand a maximum impact acceleration of 4 g. In order to meet the impact vibration requirements for the seat 1 in north america, the seat 1 and the connecting structure in the embodiment of the present application were developed.
Example one
The embodiment of the application provides a seat 1, as shown in a structure of fig. 1, one end part of the seat 1, which is close to a side wall 3, is a cantilever end and is fixedly connected with the side wall 3; the other end of the seat 1 is supported on the floor 2 through the supporting legs 12, and the seat 1 is fixedly installed in the carriage through the fixed connection of the supporting legs 12 and the floor 2 and the fixed connection of the cantilever end and the side wall 3; as shown in fig. 1 and 3, the seat 1 includes a frame 11, legs 12, a seat cushion 13, and a back cushion 14; the tops of the supporting legs 12 are fixedly connected with the framework 11 and used for supporting the framework 11 on the floor 2 of the railway vehicle; as shown in the structure of fig. 3, the inside of the leg 12 is a cavity, and one side of the leg is provided with an operation window communicated with the cavity; a detachable supporting leg cover plate 121 is arranged on the supporting leg 12, and the supporting leg cover plate 121 is used for sealing the operation window; when the seat 1 is assembled, the supporting leg cover plate 121 can be detached firstly, a tool can enter the supporting leg 12 conveniently through the operation window, and the supporting leg 12 is installed on the floor 2;
mounting through holes (not shown in the figure) for penetrating the bolts 7 are formed in the bottom of the supporting leg 12 and one end part of the framework 11 far away from the supporting leg 12; as shown in the structure of fig. 3, the bottom of the leg 12 is provided with a mounting through hole for the bolt 7 to pass through, the bolt 7 passes through the mounting through hole, and the bottom of the leg 12 is fixedly mounted on the floor 2;
as shown in fig. 4 and 5, the seat cushion 13 and the back cushion 14 are elastically clamped on the framework 11.
In a specific embodiment, as shown in the structure of fig. 4 and 5, the framework 11 comprises a front steel tube 111 and a rear steel tube 112 for mounting the cushion 13;
as shown in fig. 8, 9 and 10, the seat cushion 13 is provided with a seat cushion plug 131 on the side facing the back cushion 14, and is provided with an elastically deformable seat cushion limiting hook on the side away from the back cushion 14; as shown in the structure of fig. 8, two cushion plug-in connectors 131 are arranged on the cushion 13, and three cushion limiting hooks are arranged on the cushion 13;
the cushion plug-in connector 131 is inserted at the bottom of the rear-end steel pipe 112 and is abutted with the rear-end steel pipe 112; as shown in the structure of fig. 13, when the seat cushion 13 is clamped with the framework 11, the seat cushion plug-in connector 131 is inserted at the bottom of the rear-end steel tube 112, and the seat cushion plug-in connector 131 is abutted against the rear-end steel tube 112, so that the seat cushion 13 is limited and fixed in the vertical direction;
the cushion limiting clamping hook is provided with a cushion clamping part facing the front end steel pipe 111 and is connected to the front end steel pipe 111 in a clamping mode through the cushion clamping part; as shown in fig. 12 and 14 structures, when installing cushion 13 in skeleton 11, take place elastic deformation through the spacing trip of effect external force messenger cushion, link together the joint between the cushion joint portion of the spacing trip of cushion and front end steel pipe 111, after receiving the spacing trip of cushion to front end steel pipe 111, external force disappears, the spacing trip of cushion resumes original shape, thereby the joint is on front end steel pipe 111, realized the spacing of cushion 13 in vertical direction and longitudinal direction, with cushion 13 fixed mounting on skeleton 11.
As shown in the structure of fig. 13, the cushion plug connector 131 is provided with an arc-shaped plate abutting against the rear end steel pipe 112, the arc-shaped plate can increase the contact area with the rear end steel pipe 112, and can limit the position in two directions, namely the vertical direction and the longitudinal direction, thereby being beneficial to improving the installation stability and the firmness of the cushion 13, and meanwhile, the arc-shaped plate can also prevent stress concentration, and being beneficial to prolonging the service life of the cushion plug connector 131.
As shown in fig. 8, 12 and 14, the cushion limiting hook comprises a main hook 132 and an auxiliary hook 133; as shown in fig. 14, the seat cushion fastening portion of the main fastening hook 132 is a rectangular groove; as shown in fig. 12, the seat cushion engaging portion of the sub-hook 133 is an arc-shaped groove that is matched with the outer peripheral surface of the front end steel pipe 111 in shape; the outer peripheral surface of the front end steel pipe 111 is welded with a right-angle shaped plate corresponding to the right-angle shaped groove in position and shape, and the right-angle shaped plate is clamped in the right-angle shaped groove in a shape matching mode. In the actual production and manufacturing process, the cushion limiting hook may include a main hook 132 and two auxiliary hooks 133, and the main hook 132 is located between the two auxiliary hooks 133; however, the seat cushion limiting hooks are not limited to one main hook 132 and two auxiliary hooks 133, and one main hook 132 and one auxiliary hook 133 may be provided, or two main hooks 132 and one auxiliary hook 133, or two main hooks 132 and two auxiliary hooks 133, or other combinations may be provided.
In order to facilitate the detachment of the seat cushion 13, as shown in fig. 12 and 14, the seat cushion limiting hook is further provided with a force application part, which may be a hook-shaped end part; when the external force is applied to the force application part, the cushion limiting clamping hook is elastically deformed, and the cushion clamping part is separated from the front end steel pipe 111.
When the seat 1 is disassembled, external force is applied to the force application part, so that the cushion limiting clamping hook is elastically deformed, namely, the main clamping hook 132 and the auxiliary clamping hook 133 are elastically deformed, and the main clamping hook 132 and the auxiliary clamping hook 133 are separated from the front end steel pipe 111, so that the cushion 13 can be easily disassembled from the framework 11.
As shown in fig. 6, 7, 11 and 15, the cushion 14 has a cushion hook 141 at the bottom of the side facing the frame 11 and a cushion connector 142 at the top of the side facing the frame 11; as shown in the structure of fig. 7, the bottom of the back cushion 14 on the side facing the framework 11 is provided with two cushion hooks 141, and six cushion connectors 142 are distributed on the upper portion of the back cushion 14; the structure of fig. 15 only shows the structure of the assembly between one of the cushion connectors 142 and the slot 113, but the structure of the assembly between the other cushion connectors 142 and the slot 113 is the same as that shown in fig. 15; the framework 11 is provided with slots 113 which are in one-to-one correspondence with the back cushion plug connectors 142; the back cushion plug-in components 142 are in plug-in fit with the slots 113 and are abutted against the framework 11, and the limit of the back cushion 14 in the longitudinal direction and the vertical direction is realized through the plug-in fit of the back cushion plug-in components 142 and the slots 113; as shown in fig. 11 and 13, the cushion hook 141 has a cushion hook portion, and the cushion hook portion is engaged with the top peripheral surface of the rear end steel tube 112, as shown in fig. 11, two assembling states of the cushion hook 141 are shown, one is a structural schematic diagram when the cushion hook portion is engaged with the rear end steel tube 112, and the other is a structural schematic diagram when the cushion hook portion and the rear end steel tube 112 are not engaged.
As shown in fig. 11 and 13, the cushion plug-in unit 142 may be a bent plate-shaped unit; the cushion clamping portion is an arc-shaped groove matched with the shape of the outer peripheral surface of the top of the rear-end steel pipe 112, the contact area between the cushion clamping hook 141 and the rear-end steel pipe 112 can be increased through the arc-shaped groove, and the connection reliability and stability between the cushion 14 and the rear-end steel pipe 112 are improved.
Example two
The embodiment of the application provides a rail vehicle, which comprises a vehicle body, a floor 2 and any one of the seats 1 provided by the embodiment; as shown in the structure of fig. 1, the bottom of a leg 12 of the seat 1 is fixedly mounted on the floor 2 by a bolt 7, and one end of the framework 11 away from the leg 12 is fixedly mounted on the side wall 3 of the vehicle body by the bolt 7. As shown in the structure of fig. 2, a fixed seat 4 is welded on the side wall 3, and the cross section of the fixed seat 4 is of a C-shaped structure to form a chute with an opening; a T-shaped sliding block 5 is arranged in the sliding groove of the fixed seat 4, and the protruding part of the T-shaped sliding block 5 is positioned in the opening and used for limiting the T-shaped sliding block 5 in the fixed seat 4; the T-shaped sliding block 5 is provided with a through hole for penetrating the bolt 7; the screw of the bolt 7 sequentially penetrates through the through hole of the T-shaped sliding block 5, is fixedly installed on the built-in wall plate 31 of the side wall 3 and the installation through hole of the framework 11 and then is in threaded connection with the nut, and is used for fixedly connecting one end part of the framework 11 to the side wall 3.
Because the fixed seat 4 is positioned between the side wall 3 and the built-in wall plate 31 and hidden in the built-in wall plate 31, in order to improve the air circulation of the air conditioning system, the upper side wall and the lower side wall of the fixed seat 4 are both provided with air holes; the air holes are formed in the upper side wall and the lower side wall of the fixing seat 4, so that the air passing performance of the air conditioning system can be improved, and the comfort in a carriage is improved. The inner wall plate 31 is provided with a wall plate section bar 32 at the position where the bolt 7 is penetrated; an adjusting gasket is arranged between the fixed seat 4 and the wall plate section bar 32.
As shown in the structure of fig. 1 and 3, a stepped reinforcing plate 6 is fixedly mounted on the floor 2 opposite to the supporting leg 12 through a countersunk head screw 8; the floor 2 is provided with a stepped hole matched with the stepped reinforcing plate in shape, and the aperture of one side, facing the landing leg 12, of the stepped hole is smaller than that of the other side, away from the landing leg 12, of the stepped hole; the stepped reinforcing plate is provided with a threaded hole corresponding to the mounting through hole at the bottom of the supporting leg 12; the screw of the bolt 7 sequentially penetrates through the gasket, the mounting through hole of the supporting leg 12, the rubber pad 9 and the floor 2 cloth and then is in threaded connection with the threaded hole in the stepped reinforcing plate 6, and the bolt is used for fixedly mounting the supporting leg 12 on the floor 2.
When the supporting legs 12 are fixedly arranged on the floor 2, the stepped reinforcing plate 6 is embedded in the floor 2, and the stepped reinforcing plate 6 adopts a stepped structure, so that the defects of insufficient strength of a single reinforcing block and incompact pressure connection between the seat 1 and other components can be effectively avoided; stepped reinforcing plate 6 can be installed in advance on floor 2 through a plurality of countersunk screw 8, in order to realize the joint strength between stepped reinforcing plate 6 and floor 2, floor 2 is provided with stepped reinforcing plate 6 shape fit ground ladder face, has increased area of contact between stepped reinforcing plate 6 and the floor 2 through the stairstepping structure, joint strength and stability for 2 atress on floor are more even, are favorable to preventing the emergence of 2 deformation on floor.
Lightening holes can be further arranged on the stepped reinforcing plate 6, and lightening design can be performed under the condition that design strength is met by arranging the lightening holes, so that the light weight of the railway vehicle is facilitated; in order to avoid stress concentration at the contact position between the stepped reinforcing plate 6 and the floor 2, the periphery of the stepped reinforcing plate 6 adopts a fillet transition structure, so that the design strength of the structure is increased under the condition of avoiding the stress concentration phenomenon; meanwhile, in order to guarantee the connection strength, the stepped reinforcing plate 6 and the floor 2 can be bonded through bonding glue, and compensation is carried out through the bonding glue.
As shown in the structure of fig. 3, the bottom of the leg 12 is provided with a pit for accommodating the rubber pad 9, and the rubber pad 9 is used for realizing the sealing between the leg 12 and the floor 2.
Because the elastic rubber pad 9 is hidden in the inner concave pit of the supporting leg 12 of the seat 1, the rubber pad 9 is pressed tightly through the bottom surface of the concave pit of the supporting leg 12 of the seat 1, the rubber pad 9 is compressed and deformed under the pressure action of the supporting leg 12, and the periphery of the supporting leg 12 is sealed; meanwhile, the rubber pad 9 is hidden inside the supporting leg 12, so that the attractiveness is greatly improved, the rubber pad 9 is prevented from being collided by a floor mopping tool in the cleaning process of the rail vehicle, and the abnormal damage of the floor mopping tool is avoided.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (12)
1. A chair is characterized by comprising a framework, supporting legs, a seat cushion and a back cushion;
the tops of the supporting legs are fixedly connected with the framework and used for supporting the framework on the floor of the railway vehicle; the inside of the supporting leg is a cavity, and one side of the supporting leg is provided with an operation window communicated with the cavity; the support leg is provided with a detachable support leg cover plate, and the support leg cover plate is used for sealing the operation window;
mounting through holes for penetrating bolts are formed in the bottom of the supporting leg and one end part, far away from the supporting leg, of the framework;
the cushion and the back cushion are elastically clamped on the framework;
the framework comprises a front end steel pipe and a rear end steel pipe which are used for installing the cushion;
the cushion is provided with a cushion plug connector at one side facing the back cushion, and a cushion limiting clamping hook capable of elastically deforming is arranged at one side far away from the back cushion;
the cushion plug connector is inserted at the bottom of the rear-end steel pipe and is abutted with the rear-end steel pipe;
the cushion limiting clamping hook is provided with a cushion clamping part facing the front end steel pipe and is connected to the front end steel pipe in a clamping mode through the cushion clamping part;
the cushion limiting clamping hook comprises a main clamping hook and an auxiliary clamping hook;
the cushion clamping part of the main clamping hook is a right-angled groove;
the cushion clamping part of the auxiliary clamping hook is an arc-shaped groove matched with the peripheral surface of the front end steel pipe in shape;
the outer peripheral surface of the front end steel pipe is welded with a right-angle plate corresponding to the right-angle groove in position and shape, and the right-angle plate is clamped in the right-angle groove in a shape matching manner;
the back cushion is provided with a back cushion clamping hook at the bottom of one side facing the framework, and the back cushion clamping hook is used for abutting against the bottom surface of the U-shaped structure arranged at the rear end of the seat cushion.
2. The seat according to claim 1, wherein the cushion plug is provided with an arc-shaped plate abutting against the rear end steel pipe.
3. The seat as claimed in claim 1, wherein said cushion limiting hook comprises a main hook and two sub-hooks, said main hook being located between said two sub-hooks.
4. The seat according to claim 1, wherein the cushion limiting hook is further provided with a force application part;
when external force acts on the force application part, the cushion limiting clamping hook is elastically deformed, and the cushion clamping part is separated from the front end steel pipe.
5. The seat according to claim 1, wherein the cushion is provided with a cushion plug at an upper portion of a side facing the frame;
the framework is provided with slots which correspond to the back cushion plug connectors one by one;
the back cushion plug connector is in plug fit with the slot and is abutted with the framework;
the back cushion clamping hook is provided with a back cushion clamping portion, and the back cushion clamping portion is clamped on the outer peripheral surface of the top of the rear end steel pipe.
6. The seat of claim 5, wherein the squab insert is a bent plate-like member;
the back cushion clamping part is an arc-shaped groove matched with the shape of the outer peripheral surface of the top of the rear end steel pipe.
7. A rail vehicle comprising a vehicle body and a floor, characterized in that it comprises a seat according to any one of claims 1-6;
the bottom of the supporting leg of the seat is fixedly installed on the floor through a bolt, and one end part, far away from the supporting leg, of the framework is fixedly installed on the side wall of the vehicle body through a bolt.
8. The rail vehicle according to claim 7, wherein a fixed seat is welded to the side wall, and the cross section of the fixed seat is of a C-shaped structure to form a chute with an opening;
a T-shaped sliding block is arranged in the sliding groove of the fixed seat, and a convex part of the T-shaped sliding block is positioned in the opening and used for limiting the T-shaped sliding block in the fixed seat;
the T-shaped sliding block is provided with a through hole for penetrating a bolt;
and a screw rod of the bolt sequentially penetrates through the through hole of the T-shaped sliding block, is fixedly arranged on the inner wall plate of the side wall and is in threaded connection with the nut after the installation through hole of the framework, and is used for fixedly connecting one end part of the framework to the side wall.
9. The rail vehicle of claim 8, wherein the upper side wall and the lower side wall of the fixing seat are provided with air holes;
the built-in wallboard is provided with a wallboard section at the position where the bolt is penetrated;
and an adjusting gasket is arranged between the fixed seat and the wallboard section.
10. The rail vehicle according to claim 7, wherein a stepped reinforcing plate is fixedly mounted on the floor panel opposite to the leg by a countersunk screw;
the floor is provided with a stepped hole matched with the stepped reinforcing plate in shape, and the aperture of one side, facing the landing leg, of the stepped hole is smaller than the aperture of one side, away from the landing leg, of the stepped hole;
the stepped reinforcing plate is provided with a threaded hole corresponding to the mounting through hole at the bottom of the supporting leg;
and a screw rod of the bolt sequentially penetrates through the gasket, the mounting through hole of the supporting leg, the rubber pad and the floor cloth and is in threaded connection with the threaded hole in the stepped reinforcing plate, so that the supporting leg is fixedly mounted on the floor.
11. The rail vehicle of claim 10, wherein the stepped stiffener is provided with lightening holes and has rounded corners at its periphery;
the stepped reinforcing plate and the floor are compensated through adhesive glue.
12. The rail vehicle of claim 10, wherein the bottom of the leg is provided with a recess for receiving the rubber mat for sealing between the leg and the floor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010741700.1A CN111791908B (en) | 2020-07-29 | 2020-07-29 | Rail vehicle and seat thereof |
| PCT/CN2020/116309 WO2022021584A1 (en) | 2020-07-29 | 2020-09-18 | Rail vehicle and seat thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010741700.1A CN111791908B (en) | 2020-07-29 | 2020-07-29 | Rail vehicle and seat thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111791908A CN111791908A (en) | 2020-10-20 |
| CN111791908B true CN111791908B (en) | 2021-10-22 |
Family
ID=72828842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010741700.1A Active CN111791908B (en) | 2020-07-29 | 2020-07-29 | Rail vehicle and seat thereof |
Country Status (2)
| Country | Link |
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| CN (1) | CN111791908B (en) |
| WO (1) | WO2022021584A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112849183A (en) * | 2021-03-08 | 2021-05-28 | 中车唐山机车车辆有限公司 | Vehicle seat and rail vehicle |
| FR3121112B1 (en) * | 2021-03-23 | 2023-03-10 | SNCF Voyageurs | QUICK-RELEASE RAIL VEHICLE SEAT ASSEMBLY |
| CN113120015A (en) * | 2021-05-14 | 2021-07-16 | 中车唐山机车车辆有限公司 | Carriage and rail vehicle |
| CN113306583A (en) * | 2021-06-10 | 2021-08-27 | 中车唐山机车车辆有限公司 | Carriage floor, carriage and vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111791908A (en) | 2020-10-20 |
| WO2022021584A1 (en) | 2022-02-03 |
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