CN110803180A

CN110803180A - Seat for cab of motor car

Info

Publication number: CN110803180A
Application number: CN201911268831.6A
Authority: CN
Inventors: 陈亮; 徐友胜; 余志军; 陈超; 徐永坤
Original assignee: JIANGSU ZHONGZHAN CHELIANG PEIJIAN Co Ltd
Current assignee: JIANGSU ZHONGZHAN CHELIANG PEIJIAN Co Ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-02-18

Abstract

The invention discloses a seat for a cab of a motor car, which aims to solve the problems that: the driver can place the arm on the armrest in a short time, so that the phenomenon that the driving comfort is influenced due to the fact that the arm is numb when the driver places the arm on the operating platform for a long time is avoided; including interconnect's the back of the chair and chair cushion, the base is located the chair cushion lower extreme still includes: a handrail; the armrest is connected to the side end of the chair back through the turnover piece.

Description

Seat for cab of motor car

Technical Field

The invention relates to the technical field of motor cars, in particular to a seat for a cab of a motor car.

Background

The seat for the cab is a part with the longest contact time after railway drivers enter the cab in the year, and is directly related to the riding comfort and safety of the drivers. In the long-time driving process of a driver, hands are inevitably placed in front of an operation table, so that the arms are numb.

Disclosure of Invention

In order to achieve the purpose, the invention discloses a seat for a cab of a motor car, which aims to solve the problems that: the driver can place the arm on the armrest in a short time, so that the phenomenon that the driving comfort is influenced due to the fact that the arm is numb when the driver places the arm on the operating platform for a long time is avoided; including interconnect's the back of the chair and chair cushion, the base is located the chair cushion lower extreme still includes:

a handrail;

the armrest is connected to the side end of the chair back through the turnover piece.

Preferably, the turning member includes:

the armrest is connected to the outer end of the shell;

one end of the second rotating shaft is connected to the side end of the chair back, and the other end of the second rotating shaft is inserted into the shell;

the fixed support is of an L-shaped structure, one end of the fixed support is connected with the outer end of the shell, and the end, close to the shell, of the fixed support is perpendicular to the handrail;

the fixing seat is transversely connected to the side end of the chair back and is positioned at the lower end of the armrest.

Preferably, the fixing base includes:

the mounting groove is formed in the fixing seat far away from the back end of the chair, and the fixing support far away from the shell end is inserted into the mounting groove.

Preferably, the method further comprises the following steps:

the sliding seat is connected in the mounting groove in a sliding manner;

one end of the reset spring is connected with the bottom of the mounting groove, and the other end of the reset spring is connected with the sliding seat;

the slot is arranged at the end, far away from the reset spring, of the sliding seat;

the turnover block is arranged in the slot and is rotatably connected to the notch of the mounting groove through a first rotating shaft, a first torsion spring is sleeved on the first rotating shaft, the turnover block comprises a first arc-shaped surface and a horizontal plane, and the first arc-shaped surface is arranged close to the inner wall of the slot;

the top block is connected to the end, close to the slot, of the sliding seat, a second arc-shaped surface is arranged at the end, close to the first arc-shaped surface, of the top block, the second arc-shaped surface is matched with the first arc-shaped surface, and the fixing support is far away from the end, close to the shell, of the shell and in top contact with the top block and is far away from the end, far away from the sliding seat, of the sliding seat;

the latch is connected to the horizontal plane;

the inserting block is connected to the end, far away from the shell, of the fixing support, inserted between the horizontal plane and the inner wall of the inserting groove, and a clamping groove matched with the clamping teeth is formed in the inserting block.

Preferably, the method further comprises the following steps:

the second torsion spring is sleeved on the second rotating shaft;

the fixing piece is connected with the inner wall of the shell, and a torsion arm of the second torsion spring is connected with the fixing piece;

the fixed column is connected to the inner wall of the shell, and the other torsion arm of the second torsion spring is clamped on the fixed column.

Preferably, a cavity is arranged in the armrest.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a first partial schematic structural diagram of the present invention;

FIG. 3 is a schematic view of a fixing base according to the present invention;

FIG. 4 is an enlarged view of reference character A in FIG. 3;

FIG. 5 is a second partial structural diagram of the present invention.

In the figure: 1. a chair back; 2. a seat cushion; 3. a handrail; 4. a turnover piece; 5. a base; 4-1. a shell; 4-2. a second rotating shaft; 4-3. a second torsion spring; 4-4, fixing parts; 4-5, fixing the column; 4-6, fixing the bracket; 4-7, fixing seat; 4-8, turning over the block; 4-71, mounting grooves; 4-72, sliding seat; 4-73. a return spring; 4-74, slot; 4-75. a top block; 4-76. a second arc-shaped surface; 4-77, latch; 4-78. insert block; 4-81, a first arc surface; 4-82 horizontal plane.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

The invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, the seat for a driver's cab of a motor vehicle provided in this embodiment includes a seat back 1 and a seat cushion 2 connected to each other, and a base 5 is disposed at a lower end of the seat cushion 2, and further includes:

an armrest 3;

and the armrest 3 is connected to the side end of the chair back 1 through the turnover piece 4.

The working principle and the beneficial effects of the technical scheme are as follows:

according to the seat for the cab of the motor car, provided by the invention, a driver can turn the armrest 3 to the horizontal position through the turning piece 4 and place the arm on the armrest 3 in a short time, so that the numbness and fatigue feeling of the driver who places the arm on the operation table for a long time can be relieved, when the driver needs to leave the seat, the armrest is turned to be vertically upward through the turning piece 4 only by lifting the armrest 3 upwards, and the driver can conveniently go in and out of the seat.

As shown in fig. 2, in one embodiment, the flip 4 comprises:

the shell 4-1, the said handrail 3 is connected to the outer end of the said shell 4-1;

one end of the second rotating shaft 4-2 is connected to the side end of the chair back 1, and the other end of the second rotating shaft 4-2 is inserted into the shell 4-1;

the fixing support 4-6 is of an L-shaped structure, one end of the fixing support 4-6 is connected with the outer end of the shell 4-1, and the fixing support 4-6 is arranged at the end, close to the shell 4-1, of the fixing support and is vertical to the handrail 3;

and the fixed seats 4-7 are transversely connected to the side end of the chair back 1 and are positioned at the lower end of the armrest 3.

when the handrail 3 is turned to a horizontal position by taking the second rotating shaft 4-2 as a center, the end, close to the shell 4-1, of the fixed support 4-6 is vertically arranged, the end, far away from the shell 4-1, of the fixed support 4-6 is horizontally arranged, and the end, far away from the shell 4-1, of the fixed support 4-6 is connected with the fixed seat 4-7, so that the stability of the handrail 3 is ensured.

In one embodiment, the holder 4-7 comprises:

the mounting grooves 4-71 are formed in the ends, far away from the chair back 1, of the fixing seats 4-7, and the ends, far away from the shell 4-1, of the fixing supports 4-6 are inserted into the mounting grooves 4-71.

The beneficial effects of the above technical scheme are:

the mounting slots 4-71 are arranged so that the end of the fixing bracket 4-6 remote from the housing 4-1 is inserted therein, thereby serving to stabilize the armrest 3.

As shown in fig. 3 and 4, in one embodiment, the method further includes:

the sliding seats 4-72 are connected in the mounting grooves 4-71 in a sliding mode, and the sliding seats 4-72 are connected in the mounting grooves 4-71 in a sliding mode;

one end of the return spring 4-73 is connected with the bottom of the mounting groove 4-71, and the other end of the return spring 4-73 is connected with the sliding seat 4-72;

the slot 4-74 is arranged at the end, far away from the return spring 4-73, of the sliding seat 4-72;

the turnover block 4-8 is arranged in the slot 4-74, the turnover block 4-8 is rotatably connected to the position of a notch of the installation slot 4-71 through a first rotating shaft, a first torsion spring is sleeved on the first rotating shaft, the turnover block 4-8 comprises a first arc-shaped surface 4-81 and a horizontal surface 4-82, and the first arc-shaped surface 4-81 is arranged close to the inner wall of the slot 4-74;

the top block 4-75 is connected to the end, close to the slot 4-74, of the sliding seat 4-72, the end, close to the first arc-shaped surface 4-81, of the top block 4-75 is provided with a second arc-shaped surface 4-76, the second arc-shaped surface 4-76 is matched with the first arc-shaped surface 4-81, and the end, far away from the shell 4-1, of the fixing support 4-6 is in contact with the top block 4-75 and is arranged far away from the end, far away from the sliding seat 4-72, of the top block 4-75;

the latch 4-77 is connected to the horizontal surface 4-82;

the inserting blocks 4-78 are connected to the ends, far away from the shell 4-1, of the fixing supports 4-6, the inserting blocks 4-78 are inserted between the horizontal surfaces 4-82 and the inner walls of the inserting grooves 4-74, and clamping grooves matched with the clamping teeth 4-77 are formed in the inserting blocks 4-78.

the armrest 3 rotates around the second rotating shaft 4-2, the insertion blocks 4-78 are inserted into the insertion grooves 4-74, the latch 4-77 is clamped in the clamping groove, the stability of the armrest 3 is further improved, when the armrest 3 needs to be folded, the armrest 3 is pressed forcibly, the fixed support 4-6 is sequentially ejected out of the top block 4-75 from the end far away from the shell 4-1, the sliding seat 4-72 moves towards the direction close to the return spring 4-73, the second arc-shaped surface 4-76 extrudes the first arc-shaped surface 4-81 towards the direction close to the return spring 4-73, the turning block 4-8 is further turned towards the direction close to the return spring 4-73 around the first rotating shaft, the latch 4-77 arranged on the horizontal plane 4-82 is separated from the clamping groove, and the insertion blocks 4-78 are separated from the insertion grooves 4-74, thereby completing the vertical turning of the handrail 3.

As shown in fig. 5, in one embodiment, the method further includes: the second torsion spring 4-3 is sleeved on the second rotating shaft 4-2, and the second torsion spring 4-3 is sleeved on the second rotating shaft 4-2;

the fixing piece 4-4 is connected with the inner wall of the shell 4-1, and one torsion arm of the second torsion spring 4-3 is connected with the fixing piece 4-4;

the fixed column 4-5 is connected to the inner wall of the shell 4-1, and the other torsion arm of the second torsion spring 4-3 is clamped on the fixed column 4-5.

The beneficial effects of the above technical scheme are:

when the handrail 3 is vertically turned, the handrail 3 is turned to a vertical state by taking the second rotating shaft 4-2 as a center under the action of the second torsion spring 4-3.

In one embodiment, the armrest 3 has a cavity therein.

The beneficial effects of the above technical scheme are:

the arrangement of the cavity reduces the dead weight of the handrail 3.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The utility model provides a motor car seat for cab, includes interconnect's back of the chair (1) and seat pad (2), and base (5) are located seat pad (2) lower extreme, its characterized in that still includes:

a handrail (3);

the armrest is characterized by comprising a turnover piece (4), and the armrests (3) are connected to the side end of the chair back (1) through the turnover piece (4).

2. Seat for a motor vehicle cab according to claim 1, characterized in that said flip (4) comprises:

the shell (4-1), the handrail (3) is connected to the outer end of the shell (4-1);

one end of the second rotating shaft (4-2) is connected to the side end of the chair back (1), and the other end of the second rotating shaft (4-2) is inserted into the shell (4-1);

the fixing support (4-6) is of an L-shaped structure, one end of the fixing support (4-6) is connected with the outer end of the shell (4-1), and the end, close to the shell (4-1), of the fixing support (4-6) is perpendicular to the handrail (3);

the fixing seats (4-7) are transversely connected to the side ends of the chair back (1) and are positioned at the lower ends of the armrests (3).

3. Seat for a motor vehicle cab according to claim 2, characterized in that said fixed seat (4-7) comprises:

mounting groove (4-71), mounting groove (4-71) are located fixing base (4-7) keep away from back of the chair (1) end, fixed bolster (4-6) keep away from casing (4-1) end and insert and locate in mounting groove (4-71).

4. A seat for a motor vehicle cab according to claim 3, further comprising:

the sliding seat (4-72) is connected in the mounting groove (4-71) in a sliding manner;

one end of the return spring (4-73) is connected with the bottom of the mounting groove (4-71), and the other end of the return spring (4-73) is connected with the sliding seat (4-72);

the inserting groove (4-74), the inserting groove (4-74) is arranged at the end, far away from the return spring (4-73), of the sliding seat (4-72);

the turnover block (4-8) is arranged in the slot (4-74), the turnover block (4-8) is rotatably connected to the notch position of the mounting groove (4-71) through a first rotating shaft, a first torsion spring is sleeved on the first rotating shaft, the turnover block (4-8) comprises a first arc-shaped surface (4-81) and a horizontal surface (4-82), and the first arc-shaped surface (4-81) is arranged close to the inner wall of the slot (4-74);

the top block (4-75) is connected to the end, close to the slot (4-74), of the sliding seat (4-72), the end, close to the first arc-shaped surface (4-81), of the top block (4-75) is provided with a second arc-shaped surface (4-76), the second arc-shaped surface (4-76) is matched with the first arc-shaped surface (4-81), and the end, far away from the shell (4-1), of the fixing support (4-6) is in top contact with the top block (4-75) and is arranged far away from the end, far away from the sliding seat (4-72);

the latch (4-77) is connected to the horizontal plane (4-82);

the clamping device comprises inserting blocks (4-78), the inserting blocks (4-78) are connected to the end, far away from the shell (4-1), of the fixed support (4-6), the inserting blocks (4-78) are inserted between the horizontal plane (4-82) and the inner wall of the inserting grooves (4-74), and clamping grooves matched with the clamping teeth (4-77) are formed in the inserting blocks (4-78).

5. A seat for a motor vehicle cab according to claim 2, further comprising:

the second torsion spring (4-3), the second torsion spring (4-3) is sleeved on the second rotating shaft (4-2);

the fixing piece (4-4), the fixing piece (4-4) is connected with the inner wall of the shell (4-1), and one torque arm of the second torsion spring (4-3) is connected with the fixing piece (4-4);

the fixing column (4-5) is connected to the inner wall of the shell (4-1), and the other torsion arm of the second torsion spring (4-3) is clamped on the fixing column (4-5).

6. Seat for a motor vehicle cab according to claim 1, characterized in that a cavity is provided in said armrest (3).