CN213605398U

CN213605398U - Seat backrest adjusting device and seat

Info

Publication number: CN213605398U
Application number: CN202022824543.9U
Authority: CN
Inventors: 倪健; 杨芳丁; 余英豪; 王强; 吴青松
Original assignee: Shanghai Tanda Railway Vehicle Seat System Co ltd
Current assignee: Shanghai Tanda Railway Vehicle Seat System Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-06
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to a seat specifically discloses a seat leans against adjusting device and seat, it sets up at the handrail internally, adjusting device includes the button subassembly, the button subassembly is including setting up at the button shell of handrail body lower extreme, lower extreme and button shell fixed connection's regulation seat and press from both sides the return spring who establishes between handrail body and the button shell, return spring, adjust the seat and set up on the button shell side by side, it is equipped with pin joint A to adjust a one end upper portion, the pin joint A who adjusts the seat is articulated with the handrail body, go up and press button shell one end, the button shell other end is revolved and is driven simultaneously and adjust the seat on and revolve down with the one end opposite of pin joint A. The utility model discloses with the button shell setting at the anterior lower extreme of handrail body, the button shell sets up more hiding, is difficult for the mistake to touch, and can not influence the space distance between seat and the seat, button assembly overall structure is simple, and spare part is not fragile or misoperation, also difficult being touched by the human body and cause the human body to bruise or make spare part damage.

Description

Seat backrest adjusting device and seat

Technical Field

The utility model relates to a seat especially relates to a seat leans against adjusting device and seat.

Background

In order to enable passengers to sit up, the conventional high-speed rail and motor car seats in China have better comfort, the backrest angles of the seats are designed to be adjustable, and buttons for adjusting the backrest angles are generally arranged on the armrests in order to adjust the backrest angles. At present, the position of the backrest operating button on the armrest mainly has two states: one is arranged at the side surface of the handrail, and the other is arranged at the front end of the handrail.

The backrest operation buttons installed at the side of the armrest occupy a certain space, so that the seat needs to have a sufficient width for installing the buttons, otherwise, the buttons are shielded by the body of a passenger, and the operation becomes inconvenient; the backrest operating button arranged at the front end of the armrest is not influenced by the width of the seat, the operation is more convenient, but a passenger is easy to touch and press in the walking process, and the button transmission mechanical structure occupies a larger space, so that the whole size of the armrest is increased, the armrest is clumsy in shape, the appearance of the seat is influenced to be attractive, and the armrest occupies a larger position, so that a carriage is more crowded.

Disclosure of Invention

The utility model discloses to the inconvenient shortcoming that button mounted position led to the fact among the prior art, provide a seat and lean against adjusting device, with the button unit mount at the anterior lower extreme of handrail body, the user operation is light convenient, and overall structure hides at the handrail internally, is difficult for the mistake to touch, and overall mechanical structure is compact, saves space.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the seat is backed adjusting device, it sets up internally at the handrail, adjusting device includes the button subassembly, the button subassembly is including setting up at the button shell of handrail body lower extreme, lower extreme and button shell fixed connection's regulation seat, and press from both sides the return spring of establishing between the handrail body and button shell, return spring, the regulation seat sets up side by side on the button shell, it is equipped with pin joint A to adjust seat one end upper portion, the pin joint A of adjusting the seat is articulated with the handrail body, go up and press button shell one end, the button shell other end is rotated down and is driven the one end opposite with pin joint A on the regulation seat simultaneously and rotates down. The position of the button shell is changed, the button shell is arranged to be more hidden, the button shell is not easy to mistakenly touch, the spatial distance between the seat and the seat cannot be influenced, the structure is simple, parts are not easy to damage or misoperation is realized, the front part of the armrest body is only held by a single hand during operation, and the forefinger presses the button shell, so that the operation is simple and convenient, and the whole volume of the armrest body cannot be influenced. And the adjusting seat is connected with the button shell, so that the structure is more compact, the size of the whole structure is reduced, the whole smoothness degree of the armrest body is not influenced, and the armrest body is not easy to touch parts, so that the human body is bruised or the parts are damaged.

Furthermore, the lower part of the other end of the adjusting seat is provided with a hinge point B, the multifunctional adjusting seat further comprises a traction assembly connected with the button assembly, the traction assembly comprises a traction seat and a traction rope, one end of the traction seat is hinged with the hinge point B of the adjusting seat, and one end of the traction rope is fixed on the traction seat. The traction rope is adopted to drive the locking device to move, so that the backrest is driven to rotate, the structure is simple, the cost is low, and the working stability is good.

Further, still include the locking Assembly who is connected with the subassembly that pulls, the locking Assembly includes the locker, set up the fixing base in the piston rod the place ahead of locker, with fixing base articulated dwang, the fixing base is installed at the handrail internally, the piston rod front end of locker is equipped with the valve push rod, the dwang is contradicted to the valve push rod, haulage rope other end fixed connection dwang.

Further, button shell one end protrusion downwards forms the portion of pressing, and return spring sets up on the button shell and closes on the position of the portion of pressing, adjusts the seat and sets up on the button shell and keep away from the position of pressing on the portion.

Furthermore, the traction assembly also comprises a traction wheel arranged in the handrail body, and the traction rope bypasses the traction wheel.

Furthermore, the pull rope is sleeved with a sleeve, the armrest body is internally provided with a mounting frame, one end of the sleeve is connected with the mounting frame, and the other end of the sleeve is connected with the fixing seat.

Further, the fixing base has a limiting groove, the rotating rod is inserted into the limiting groove, the lower end of the rotating rod is hinged to the lower end of the fixing base, the hinged point of the rotating rod and the limiting groove is located on one side of the limiting groove, and the middle of the rotating rod leans against the other side of the limiting rod.

The utility model also provides a seat with adjusting device, including the handrail body, set up the button subassembly in the handrail body.

Further, still include the pulling component that sets up in the handrail body, pulling component and button assembly are connected.

Furthermore, the handrail device also comprises a backrest arranged on one side of the handrail body and a locking assembly hinged with the backrest, wherein the locking assembly is connected with the traction device.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect:

set up the button shell at the anterior lower extreme of handrail body, the button shell sets up more disguising, and difficult mistake touching, and can not influence the spatial distance between seat and the seat, button subassembly overall structure is simple, spare part is not fragile or misoperation, also difficult be touched by the human body and cause the human body to bump or make spare part damage, only need during the operation one hand hold handrail body anterior portion, the forefinger press down the press portion can, easy and simple to handle, can not influence the whole volume of handrail body yet. And the adjusting seat is connected with the button shell, so that the structure is more compact, the size of the whole structure is reduced, and the whole smoothness degree of the armrest body is not influenced. The pull rope is arranged to drive the rotating rod to rotate, so that the work of the locking assembly is driven, the structure is simple, the overall structure is arranged in the armrest body, the damage to parts is avoided, the ash falling is avoided, the overall structure of the seat is more compact, the seat looks complete and smooth, and the seat is not easy to damage.

Drawings

FIG. 1 is a structural view of an armrest body of the present invention;

FIG. 2 is a view showing the hidden armrest body of FIG. 1 according to the present invention;

fig. 3 is a structural view of the handle cover plate hidden in fig. 2 according to the present invention;

fig. 4 is a partial cross-sectional view of fig. 2 of the present invention;

FIG. 5 is a block diagram of the backrest and locking assembly of the present invention;

fig. 6 is an enlarged view of a portion C of fig. 5 according to the present invention.

The names of the parts indicated by the numerical references in the drawings are as follows: the device comprises a handrail body 1, a button shell 2, an adjusting seat 3, a return spring 4, a mounting plate 5, a positioning convex column 6, a shaft 7, a traction seat 8, a traction wheel 9, a traction rope 10, a sleeve pipe 11, a mounting frame 12, a locking device 13, a fixing seat 14, a rotating rod 15, a limiting groove 16, a piston rod 17, a valve push rod 18, a backrest 19, a handrail cover plate 20, a pressing part 21 and a notch 22.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Example 1

As shown in fig. 1-6, the seat back adjusting device is arranged in the armrest body 1 and hidden in the armrest body 1, and does not affect the aesthetic property and integrity of the armrest body 1. The adjustment device includes a button assembly, a traction assembly coupled to the button assembly, and a locking assembly coupled to the traction assembly.

The button assembly comprises a button shell 2 arranged at the lower end of the front part of the armrest body 1, an adjusting seat 3 fixedly connected with the button shell 2 and a return spring 4 clamped between the armrest body 1 and the button shell 2. The button shell 2 is arranged at the lower end of the front part of the armrest body 1, so that the hidden performance is better, the mistaken pressing is not easy to happen, and the working is stable. The lower end of one side of the button housing 2 protrudes downwards to form a pressing part 21, which is convenient for a user to press the button housing 2. In order to facilitate the installation of the button assembly, the inside of the armrest body 1 is hollow, a detachable mounting plate 5 is installed in the armrest body 1, and the mounting plate 5 is installed at the upper end in the armrest body 1. The mounting plate 5 may be formed integrally with the armrest body 1. The button shell 2 is internally provided with a positioning convex column 6, the lower end of the return spring 4 is sleeved outside the positioning convex column 6, and the upper end of the return spring 4 is sleeved outside the positioning convex column 6 of the mounting plate 5. The return spring 4 is provided on the button housing 2 at a position adjacent to the push portion 21. Adjust the one end that seat 3 set up and keep away from on button shell 2 according to portion 21, and adjust 3 lower extremes of seat and button shell 2 fixed connection, adjust 3 one end upper portions of seat and be equipped with pin joint A, adjust and articulate through axle 7 between pin joint A and the mounting panel 5 of seat 3. The lower part of the other end of the adjusting seat 3 is provided with a hinge point B. Upwards press the portion 21, button shell 2 rotates around pin joint A, specifically is that the last one end that has the portion 21 of pressing of button shell 2 spins, and the other end is down rotated and is driven the one end that adjusts seat 3 and have pin joint B and spins down. Hinge point a is adjacent to button 21 and hinge point B is distal from button 21.

The traction assembly comprises a traction seat 8, a traction wheel 9 and a traction rope 10, the traction wheel 9 can guide the direction of the traction rope 10, meanwhile, the traction rope 10 can be prevented from being clamped in the handrail body 1, and the traction rope 10 can be smoothly moved. The pin joint B that pulls seat 8 one end through axle 7 and regulation seat 3 is articulated, and traction wheel 9 installs on mounting panel 5, and haulage rope 10 one end is fixed on pulling seat 8, and the other end is walked around behind traction wheel 9 and is connected with the locking subassembly. When the end of the adjusting seat 3 with the hinge point B is rotated downwards, the pulling seat 8 is driven to rotate downwards, so that the pulling rope 10 is pulled. In order to guide the running direction of the traction rope 10, the traction rope 10 can be guided to the lower portion of the handrail body 1, the position of the traction rope 10 can be limited, the traction rope 10 is prevented from being clamped, a sleeve 11 is sleeved outside the traction rope 10, and the sleeve 11 can protect the traction rope 10. In order to install the sleeve 11, an installation frame 12 is arranged on the installation plate 5 behind the traction wheel 9, and one end of the sleeve 11 is fixed on the installation frame 12 to position the sleeve 11. In this embodiment, the traction wheel 9 is a roller, and the traction rope 10 is a wire rope.

The locking assembly comprises a locking device 13, a fixed seat 14 arranged in front of a piston rod 17 of the locking device 13, and a rotating rod 15 hinged with the fixed seat 14, one end of a shell of the locking device 13 is hinged with the bottom of a backrest 19, the fixed seat 14 is connected with the armrest body 1, the fixed seat 14 is provided with a limit groove 16, the rotating rod 15 is inserted into the limit groove 16, the lower end of the rotating rod is hinged with the lower end of the fixed seat 14, a hinged point of the rotating rod and the limit groove is positioned on one side of the limit groove 16, and the middle part of. In the initial state that the button housing 2 is not pressed, the rotating rod 15 is in the inclined setting state, and after the button housing 2 is pressed, the rotating rod 15 rotates to the vertical state, and the valve push rod 18 is pushed to move in the rotating process. The upper end of the rotating rod 15 penetrates through the limiting groove 16 to be fixedly connected with the hauling rope 10. The other end of the sleeve 11 is fixed on the upper end of the fixed seat 14, the front part of the piston rod 17 is provided with a valve push rod 18 protruding the front end of the piston rod 17, the valve push rod 18 props against the rotating rod 15, the rotating rod 15 can push the valve push rod 18 to move backwards when rotating, thereby controlling the piston rod 17 of the lock 13 to retract into the shell of the lock 13, a user leans against the backrest 19 to lean backwards, and the backrest 19 can rotate backwards.

The lock 13 is a gas spring that can be locked at any position of the stroke.

The working principle is as follows: the backrest 19 is located at an upward upright state, when the inclination angle of the backrest needs to be adjusted, a user only needs to sit on the seat to press the pressing part 21 upwards, one end of the button shell 2, provided with the pressing part 21, rotates upwards around the hinge point A to drive the hinge point B of the adjusting seat 3 to rotate downwards, so as to drive the traction seat 8 to rotate downwards, pull the traction rope 10, drive the rotating rod 15 connected with the traction rope 10 to rotate, further push the valve push rod 18, enable the valve push rod 18 to move towards the inside of the piston rod 17, open the internal valve of the locker 13, enable the piston rod 17 to be located at a locking state, meanwhile, the back of the user leans against the backrest and leans backwards, so that the bottom end of the backrest moves towards the locker 13, drive the piston rod 17 to retract towards the inside of the locker 13 until the backrest inclines to a required angle, then the pressing part 21 is released, and the button shell returns under the elastic force of the spring, when the pulling rope 10 is released, the valve push rod 18 is released, the internal valve of the locking device 13 is closed, the piston rod 17 is in an unlocking state, and the backrest stays at the position of the required inclination angle. When the backrest inclined at a certain angle needs to be erected upwards, the back of a user leaves the backrest 19, the pressing part 21 is pressed upwards, the pull rope 10 pulls the rotating rod 15, the rotating rod 15 rotates to push the valve push rod 18 to retract towards the piston rod 17, the internal valve of the locking device 13 is opened, the piston rod 17 extends outwards under the action of the internal pressure difference of the locking device 13, so that the bottom end of the backrest is pushed to move towards the direction away from the piston rod 17 of the locking device 13, the backrest is driven to be erected slowly until the required position is reached, the pressing part 21 is loosened, the rotating rod 15 returns to release the valve push rod 18, the internal valve of the locking device 13 is closed, and the piston rod 17 is in a locking state again.

A seat with an adjusting device comprises a backrest 19, an armrest body 1 and the adjusting device arranged in the armrest body 1, wherein the adjusting device comprises a button assembly, a traction assembly connected with the button assembly and a locking assembly connected with the traction device, and a shell of a locking device 13 is hinged with the lower end of the backrest 19 through a shaft 7. In order to install the adjusting device conveniently, the top end of the armrest body 1 is detachably provided with an armrest cover plate 20, the lower end of the front part of the armrest body 1 is provided with a notch 22, and the button shell 2 is arranged in the notch 22. The integral structure of the armrest body 1 is in a U shape after rotating for 90 degrees, the locking assembly is positioned in the lower part of the armrest body 1, the structure is hidden, and the compactness and the integrity of the integral structure of the armrest body 1 are kept.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The seat backrest adjusting device is characterized by being arranged in an armrest body (1), the adjusting device comprises a button assembly, the button assembly comprises a button shell (2) arranged at the lower end of the armrest body (1), an adjusting seat (3) fixedly connected with the button shell (2) at the lower end, and a return spring (4) clamped between the armrest body (1) and the button shell (2), the return spring (4) and the adjusting seat (3) are arranged on the button shell (2) side by side, a hinge point A is arranged on the upper portion of one end of the adjusting seat (3), the hinge point A of the adjusting seat (3) is hinged to the armrest body (1), one end of the button shell (2) is pressed upwards, the other end of the button shell (2) rotates downwards and simultaneously drives one end, opposite to the hinge point A, of the adjusting seat (3) to rotate downwards.

2. The seat back adjusting device according to claim 1, wherein a hinge point B is provided at a lower portion of the other end of the adjusting seat (3), and further comprising a pulling assembly connected to the button assembly, the pulling assembly comprises a pulling seat (8) and a pulling rope (10), one end of the pulling seat (8) is hinged to the hinge point B of the adjusting seat (3), and one end of the pulling rope (10) is fixed to the pulling seat (8).

3. The seat back adjusting device according to claim 2, further comprising a locking assembly connected to the pulling assembly, wherein the locking assembly comprises a locking device (13), a fixing seat (14) disposed in front of the piston rod (17) of the locking device (13), and a rotating rod (15) hinged to the fixing seat (14), the fixing seat (14) is installed in the armrest body (1), a valve push rod (18) is disposed in front of the piston rod (17) of the locking device (13), the valve push rod (18) abuts against the rotating rod (15), and the other end of the pulling rope (10) is fixedly connected to the rotating rod (15).

4. The seat back adjusting apparatus according to claim 1, wherein one end of the button housing (2) protrudes downward to form a pressing portion (21), the return spring (4) is provided on the button housing (2) at a position adjacent to the pressing portion (21), and the adjusting seat (3) is provided on the button housing (2) at a position away from the pressing portion (21).

5. The seat back adjustment device according to claim 2, wherein the traction assembly further comprises a traction wheel (9) disposed within the armrest body (1), the traction cable (10) passing around the traction wheel (9).

6. The seat back adjusting device according to claim 3, wherein a sleeve (11) is sleeved outside the traction rope (10), a mounting frame (12) is arranged inside the armrest body (1), one end of the sleeve (11) is connected with the mounting frame (12), and the other end of the sleeve (11) is connected with the fixed seat (14).

7. The seat back adjusting device according to claim 3, wherein the fixing seat (14) has a limiting groove (16), the rotating rod (15) is inserted into the limiting groove (16) and the lower end of the rotating rod is hinged to the lower end of the fixing seat (14), the hinged point of the rotating rod and the rotating rod is located on one side of the limiting groove (16), and the middle of the rotating rod (15) leans against the other side of the limiting rod.

8. Seat with adjustment device, comprising an armrest body (1), characterized in that it further comprises a push-button assembly according to claim 1 arranged in the armrest body (1).

9. The chair with the adjusting device as claimed in claim 8, further comprising a traction assembly disposed in the armrest body (1) and connected to the button assembly, wherein the lower portion of the other end of the adjusting seat (3) is provided with a hinge point B, the traction assembly comprises a traction seat (8) and a traction rope (10), one end of the traction seat (8) is hinged to the hinge point B of the adjusting seat (3), and one end of the traction rope (10) is fixed to the traction seat (8).

10. The seat with the adjusting device according to claim 9, further comprising a backrest (19) disposed at one side of the armrest body (1), and a locking assembly hinged to the backrest (19) and connected to the traction assembly, wherein the locking assembly comprises a locking device (13), a fixing seat (14) disposed in front of a piston rod (17) of the locking device (13), and a rotating rod (15) hinged to the fixing seat (14), the fixing seat (14) is installed in the armrest body (1), a valve push rod (18) is disposed at a front portion of the piston rod (17) of the locking device (13), the valve push rod (18) abuts against the rotating rod (15), and the other end of the traction rope (10) is fixedly connected to the rotating rod (15).