Armrest structure of automobile seat

Abstract

The utility model provides an armrest structure of an automobile seat, and belongs to the technical field of automobile seats. The problem that in the prior art, during use, the comfort degree of arm supporting is not high is solved. The armrest structure of the automobile seat comprises a long-strip-shaped fixing frame, an armrest is arranged on the fixing frame, the armrest is in a cuboid shape, the length and width extending directions of the armrest and the fixing frame are consistent, and the armrest can turn over by 90 degrees around the central axis of the fixing frame. The width extending direction of the handrail is perpendicular to the width extending direction of the fixing frame, and a locking mechanism used for locking the handrail before and after overturning is further arranged between the handrail and the fixing frame. The automobile seat armrest overturning mechanism has the advantages that overturning adjustment of the automobile seat armrest is achieved, and meanwhile using comfort and supporting stability of the armrest are guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile seats and relates to an armrest structure of an automobile seat. Background Art

[0002] At present, some car seats are provided with armrest structures, which are intended to provide arm support for the driver and passenger. When the user's arm is placed on the armrest, it can also assist in supporting the user's waist, so that the user can properly relax the waist, which is beneficial to health. For example, a Chinese patent document discloses a convenient and stable car seat armrest (application number: 201420536908.X), wherein the seat includes a support located at the side, and the armrest includes a rotatable longitudinal armrest body arranged on the support, and the support is provided with a fixing hole, and one end of the longitudinal direction of the armrest body is provided with a marble that can be extended relative to the surface of the armrest body. When the armrest body is rotated to the vertical direction, the marble is inserted into the fixing hole to lock the armrest body. The convenient and stable car seat armrest has the following shortcomings during use: in order not to affect the passenger's riding, the shape of the armrest is narrow and high, that is, the support surface on the upper side of the armrest is narrow, so that the comfort of the arm support is not high during use, resulting in a poor user experience for the passenger. Summary of the invention

[0003] The purpose of the utility model is to solve the above problems in the existing technology and propose an armrest structure for a car seat. The technical problem to be solved by the utility model is how to achieve the flip adjustment of the car seat armrest while ensuring the comfort of the armrest and the stability of the support.

[0004] The purpose of the utility model can be achieved through the following technical solutions:

[0005] An armrest structure for a car seat comprises an elongated fixing frame on which an armrest is arranged, and is characterized in that the armrest is in the shape of a rectangular parallelepiped, the length and width extension direction of the armrest and the fixing frame are consistent, and the armrest can be flipped 90° around the central axis of the fixing frame so that the width extension direction of the armrest is perpendicular to the width extension direction of the fixing frame, and a locking mechanism is also arranged between the armrest and the fixing frame for locking the armrest before and after flipping.

[0006] When in use, the armrest structure of the car seat is installed on the right side of the seat. In the initial state, the length and width extension direction of the armrest and the fixing frame are consistent, that is, the rectangular armrest is set in a high and narrow type. When the armrest is needed, the driver and the passenger flips the unlocked armrest 90° around the central axis of the fixing frame so that the width extension direction of the armrest is perpendicular to the width extension direction of the fixing frame, and then locks the armrest, that is, the armrest is flipped 90° to be set in a short and wide type. The driver and the passenger flips the armrest around the central axis of the fixing frame to The armrest can be switched back and forth between a high and narrow type and a low and wide type. When the armrest is set in a high and narrow type, it is convenient for the driver and passengers to sit or leave the seat. When the armrest is set in a low and wide type, it can provide a wider armrest support surface for the driver and passengers when in use, thereby ensuring the comfort of using the armrest. At the same time, the armrest structure of the car seat is provided with a locking mechanism between the armrest and the fixing frame. The locking mechanism locks the armrest before and after flipping, thereby preventing the armrest from shaking up and down relative to the fixing frame after flipping 90°, thereby ensuring the stability of the armrest support.

[0007] In the above-mentioned armrest structure of the car seat, the locking mechanism includes a plurality of positioning holes opened on the fixing frame along the circumferential direction and a locking shaft arranged on the armrest and movable along the width direction thereof, the locking shaft being inserted into the positioning hole and being able to be separated from the positioning hole under the action of an external force. The armrest is locked before and after flipping by the locking mechanism of the above-mentioned structure, so as to avoid the armrest from shaking relative to the fixing frame, thereby ensuring the stability of the armrest support. In addition, the locking mechanism can also be a locking cylinder arranged on the fixing frame, the armrest is provided with a plurality of positioning holes, and the output shaft of the locking cylinder can extend into or out of the positioning holes.

[0008] In the armrest structure of the above-mentioned car seat, the armrest is also provided with an unlocking handle that can swing along the width direction thereof, the armrest has two positioning parts that are arranged opposite to each other along the width direction thereof and a clearance notch for the unlocking handle to be exposed, the two ends of the locking shaft are respectively passed through the two positioning parts, one end of the unlocking handle is movably arranged in the clearance notch, and the other end is connected to the part of the locking shaft between the two positioning parts, the middle part of the unlocking handle is hinged on the armrest, and the locking shaft is also sleeved with a spring for keeping the unlocking handle against the positioning part close to the positioning hole. By providing the unlocking handle of the above-mentioned structure, the unlocking and locking of the armrest can be facilitated.

[0009] In the above-mentioned armrest structure of the car seat, the middle part of the locking shaft has a radially protruding step portion, the two ends of the spring are respectively abutted on the step portion and the positioning portion away from the positioning hole, and the end of the unlocking button close to the positioning portion has a U-shaped clamping portion, the clamping portion is clamped and connected to the locking shaft, and the upper and lower sides of the clamping portion are respectively abutted on the step portion and the positioning portion close to the positioning hole. By providing the U-shaped clamping portion on the unlocking button, the disassembly and assembly of the unlocking button and the locking shaft are facilitated, and at the same time, the step portion is provided on the locking shaft, which can facilitate the abutment of the spring, so that the spring can be better compressed after the locking shaft moves, and the spring can better drive the locking shaft to move.

[0010] In the above-mentioned armrest structure of the automobile seat, the fixing frame includes a block-shaped fixing seat and a long strip-shaped fixing tube connected to each other, the fixing seat and the fixing tube have the same length extension direction, and the armrest is rotatably mounted on the fixing tube. By mounting the armrest on the fixing tube, the armrest can be turned over, so that the armrest can be better switched back and forth between a high and narrow type and a short and wide type.

[0011] In the above-mentioned armrest structure of the car seat, a damper for slowing down the turning speed of the armrest is arranged between the end of the fixing tube away from the fixing seat and the armrest. The damper can provide resistance to movement, so that the turning process of the armrest relative to the fixing frame is smooth.

[0012] In the armrest structure of the above-mentioned car seat, a mounting seat is provided on the armrest, a connecting seat is provided on the end of the fixing tube away from the fixing seat, the rotating end of the damper is connected to the mounting seat, the fixed end of the damper is connected to the connecting seat, a bushing is sleeved on the connecting seat, and a plurality of annular support sheets are provided on the armrest, one of which is sleeved on the bushing, and the remaining support sheets are sleeved on the fixing tube. By providing the damper, the rotating end and the bushing of the damper can rotate with the armrest, the fixed end of the damper is connected to the fixing frame and remains stationary, and a plurality of annular support sheets are sleeved on the fixing tube or the bushing, so that the armrest can be turned smoothly and stably, and the user experience is better.

[0013] In the above-mentioned armrest structure of the automobile seat, the connection seat includes a nut welded on the end of the fixing tube away from the fixing seat and a step bolt welded on the nut, the bushing is sleeved on the step bolt, and the two ends of the bushing are respectively abutted on the step bolt and the nut. By setting the connection seat as a welded step bolt and nut, it is convenient to assemble the bushing and the support sheet with the step bolt and the nut, and at the same time, the structural stability of the bushing and the support sheet after the step bolt and the nut are welded is improved.

[0014] In the above-mentioned armrest structure of the automobile seat, the fixing tube is provided with a strip hole along the circumferential direction, and a positioning sheet covering the strip hole is connected to the fixing tube, and the positioning hole is provided on the positioning sheet. By providing the positioning hole on the positioning sheet, on the one hand, the requirements for the machining accuracy of the fixing tube can be reduced, thereby facilitating the machining of the fixing tube; on the other hand, by covering the positioning sheet on the strip hole of the fixing tube, the structural strength of the fixing tube at this location can be enhanced, thereby making the armrest structure of the automobile seat more durable.

[0015] In the above-mentioned armrest structure of the car seat, a rotating shaft for connecting with the car seat is arranged on the fixing seat, and the rotating shaft extends out of the fixing seat and is arranged perpendicular to the fixing tube. By arranging the rotating shaft, the installation of the armrest structure of the car seat and the car seat can be facilitated. The rotating shaft can adopt a damping rotating shaft or an armrest angle adjuster can be arranged on the car seat, and then the rotating shaft is connected to the armrest angle adjuster, so that the armrest can swing up and down relative to the car seat.

[0016] Compared with the prior art, the armrest structure of the car seat has the following advantages: the armrest structure of the car seat can switch back and forth between a high and narrow type and a short and wide type by flipping the armrest, which is convenient for the driver and passengers to sit or leave the seat and provides a wider armrest support surface when in use, thereby ensuring the comfort of the armrest. At the same time, the armrest structure of the car seat is provided with a locking mechanism between the armrest and the fixing frame. The locking mechanism locks the armrest before and after flipping, thereby preventing the armrest from shaking relative to the fixing frame, thereby ensuring the stability of the armrest support. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the initial state of the armrest structure of the automobile seat.

[0018] Figure 2 It is a schematic diagram of the structure of the armrest structure of the automobile seat in an initial state when viewed from above.

[0019] Figure 3 yes Figure 2 Cross-sectional view at AA in the middle.

[0020] Figure 4 yes Figure 3 A partial enlarged view of point A in the middle.

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the armrest structure of the automobile seat in a flipped state.

[0022] Figure 6 The present invention is a schematic structural diagram of the armrest structure of the automobile seat in a flipped state from a side view.

[0023] Figure 7 yes Figure 6Cross-sectional view at the middle BB.

[0024] Figure 8 yes Figure 7 A partial enlarged view of point B in the middle.

[0025] Fig. 9 It is an exploded view of the armrest structure of the car seat with the armrest removed.

[0026] In the figure, 1, fixing frame; 1a, fixing seat; 1b, fixing tube; 1b1, strip hole; 2, handrail; 2a, positioning part; 2b, clearance gap; 3, locking mechanism; 3a, positioning hole; 3b, locking shaft; 3b1, step part; 3c, unlocking handle; 3c1, clamping part; 3d, spring; 4, bushing; 5, damper; 6, supporting plate; 7, positioning plate; 8, rotating shaft; 9, mounting seat; 10, connecting seat; 10a, step bolt; 10b, nut. DETAILED DESCRIPTION

[0027] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0028] An armrest structure of a car seat, referring to Figure 1-9 , including a long strip-shaped fixing frame 1, on which an armrest 2 is arranged, the armrest 2 is in the shape of a rectangular parallelepiped, the length and width extension direction of the armrest 2 and the fixing frame 1 are consistent, and the armrest 2 can be flipped 90° around the central axis of the fixing frame 1 so that the width extension direction of the armrest 2 is perpendicular to the width extension direction of the fixing frame 1, and a locking mechanism 3 is also arranged between the armrest 2 and the fixing frame 1 for locking the armrest 2 before and after flipping.

[0029] Specifically, refer to Figure 3 , Figure 4 , Figure 7 , Figure 8 and Fig. 9 The locking mechanism 3 includes a plurality of positioning holes 3a circumferentially arranged on the fixing frame 1 and a locking shaft 3b arranged on the armrest 2 and movable along its width direction. The locking shaft 3b is inserted into the positioning hole 3a and can be disengaged from the positioning hole 3a under the action of external force.

[0030] More specifically, refer to Figure 3 , Figure 4 , Figure 7 , Figure 8 and Fig. 9The armrest 2 is also provided with an unlocking handle 3c that can swing along the width direction thereof. The armrest 2 has two positioning parts 2a that are arranged opposite to each other along the width direction thereof and a clearance gap 2b for revealing the unlocking handle 3c. The two ends of the locking shaft 3b are respectively passed through the two positioning parts 2a. One end of the unlocking handle 3c is movably arranged in the clearance gap 2b, and the other end is connected to the portion of the locking shaft 3b located between the two positioning parts 2a. The middle part of the unlocking handle 3c is hinged to the armrest 2. The locking shaft 3b is also provided with a spring 3d for keeping the unlocking handle 3c against the positioning part 2a close to the positioning hole 3a.

[0031] More specifically, refer to Figure 3 , Figure 4 , Figure 7 , Figure 8 and Fig. 9 The middle part of the locking shaft 3b has a radially protruding step portion 3b1, and the two ends of the spring 3d are respectively abutted on the step portion 3b1 and the positioning portion 2a away from the positioning hole 3a. The end of the unlocking button 3c close to the positioning portion 2a has a U-shaped clamping portion 3c1, and the clamping portion 3c1 is clamped on the locking shaft 3b, and the upper and lower sides of the clamping portion 3c1 are respectively abutted on the step portion 3b1 and the positioning portion 2a close to the positioning hole 3a.

[0032] Further, refer to Figure 3 , Figure 4 , Figure 7 , Figure 8 and Fig. 9The fixing frame 1 includes a block-shaped fixing seat 1a and a long strip-shaped fixing tube 1b connected to each other. The fixing seat 1a is provided with a rotating shaft 8 for connecting with a car seat. The rotating shaft 8 extends out of the fixing seat 1a and is vertically arranged on the fixing tube 1b. The length extension direction of the fixing seat 1a and the fixing tube 1b is consistent. The armrest 2 is rotatably mounted on the fixing tube 1b. A damper 5 for slowing down the turning speed of the armrest 2 is arranged between the end of the fixing tube 1b away from the fixing seat 1a and the armrest 2; a mounting seat 9 is provided on the armrest 2, and a connecting seat 10 is provided on the end of the fixing tube 1b away from the fixing seat 1a. The rotating end of the damper 5 is connected to the mounting seat 9. The fixed end of the damper 5 is connected to the fixing seat 9. The fixed end is connected to the connecting seat 10, and the connecting seat 10 is sleeved with a bushing 4. The handrail 2 is provided with a plurality of annular support plates 6, one of which is sleeved on the bushing 4, and the remaining support plates 6 are sleeved on the fixed tube 1b; the connecting seat 10 includes a nut 10b welded on the end of the fixed tube 1b away from the fixed seat 1a and a step bolt 10a welded on the nut, the bushing 4 is sleeved on the step bolt 10a, and the two ends of the bushing 4 are respectively abutted on the step bolt 10a and the nut 10b; the fixed tube 1b is provided with a strip hole 1b1 along the circumferential direction, and a positioning plate 7 covering the strip hole 1b1 is connected to the fixed tube 1b, and the positioning hole 3a is provided on the positioning plate 7.

[0033] The following describes the working principle of the armrest structure of the car seat:

[0034] In order to facilitate the driver and passengers to sit or leave the seat, the armrest structure of the car seat is only arranged on the right side of the seat (that is, the armrest structure of the car seat is not used in pairs). When in use, the rotating shaft 8 on the fixed seat 1a is installed on the right side of the car seat. The rotating shaft 8 can adopt a damping shaft or an armrest angle adjuster can be arranged on the car seat, and then the rotating shaft 8 is connected to the armrest angle adjuster (the armrest angle adjuster is a prior art and will not be described here. Those skilled in the art can refer to the armrest angle adjuster disclosed in Chinese patent document 202110500866.9 A large-stroke seat armrest mechanism The armrest 2 is in an unlocked state. The driver and passenger then flip the armrest 2 over and release the unlocking handle 3c. When the armrest 2 moves upward, the locking shaft 3b is locked and the locking shaft 3b is locked. After the outer side is turned over by 90°, the locking shaft 3b is aligned with the next positioning hole 3a. At this time, under the action of the restoring force of the spring 3d, the locking shaft 3b enters the positioning hole 3a, so that the armrest 2 is locked on the fixing tube 1b. The armrest 2 is arranged in a short and wide shape, so that the armrest 2 provides a wider armrest support surface for the driver and the passenger. At the same time, the armrest 2 locked on the fixing tube 1b cannot shake at will, thereby ensuring the stability of the armrest support; before the driver and the passenger leave the seat, that is, when the armrest 2 is no longer in use, the passenger pulls the movable end of the unlocking buckle 3c inwardly, and at this time, the clamping part 3c1 of the unlocking buckle 3c swings outward and drives The locking shaft 3b moves synchronously outward, so that the step portion 3b1 compresses the spring 3d until the locking shaft 3b disengages from the positioning hole 3a. At this time, the armrest 2 is in an unlocked state. The driver and passenger then flips over the armrest 2 and releases the unlocking buckle 3c. When the armrest 2 flips downward 90°, the locking shaft 3b is realigned with the initial positioning hole 3a. At this time, under the action of the restoring force of the spring 3d, the locking shaft 3b re-enters the positioning hole 3a. At this time, the armrest 2 is reset and locked on the fixing tube 1b, preventing the armrest from shaking at will when not in use, and making the armrest 2 set high and narrow again to facilitate the driver and passenger to sit down next time.

[0035] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. An armrest structure for a car seat, comprising a strip-shaped fixing frame (1), on which an armrest (2) is arranged, characterized in that: The armrest (2) is in the shape of a rectangular parallelepiped, the length and width extension direction of the armrest (2) and the fixing frame (1) are consistent, and the armrest (2) can be flipped 90 degrees around the central axis of the fixing frame (1) so that the width extension direction of the armrest (2) is perpendicular to the width extension direction of the fixing frame (1), and a locking mechanism (3) is also provided between the armrest (2) and the fixing frame (1) for locking the armrest (2) before and after flipping.

2. The armrest structure of a car seat according to claim 1, characterized in that: The locking mechanism (3) comprises a plurality of positioning holes (3a) circumferentially arranged on the fixing frame (1) and a locking shaft (3b) arranged on the armrest (2) and movable in the width direction thereof; the locking shaft (3b) is inserted into the positioning hole (3a) and can be disengaged from the positioning hole (3a) under the action of an external force.

3. The armrest structure of a car seat according to claim 2, characterized in that: The armrest (2) is also provided with an unlocking handle (3c) that can swing along its width direction. The armrest (2) has two positioning parts (2a) that are arranged opposite to each other along its width direction and a clearance notch (2b) for allowing the unlocking handle (3c) to be exposed. The two ends of the locking shaft (3b) are respectively passed through the two positioning parts (2a). One end of the unlocking handle (3c) is movably arranged in the clearance notch (2b), and the other end is connected to the portion of the locking shaft (3b) located between the two positioning parts (2a). The middle part of the unlocking handle (3c) is hinged on the armrest (2). The locking shaft (3b) is also sleeved with a spring (3d) for keeping the unlocking handle (3c) against the positioning part (2a) close to the positioning hole (3a).

4. The armrest structure of a car seat according to claim 3, characterized in that: The locking shaft (3b) has a radially protruding step portion (3b1) at its middle portion, two ends of the spring (3d) are respectively abutted against the step portion (3b1) and the positioning portion (2a) away from the positioning hole (3a), and the end of the unlocking lever (3c) close to the positioning portion (2a) has a U-shaped clamping portion (3c1), the clamping portion (3c1) is clamped on the locking shaft (3b), and the upper and lower sides of the clamping portion (3c1) are respectively abutted against the step portion (3b1) and the positioning portion (2a) close to the positioning hole (3a).

5. An armrest structure for a car seat according to any one of claims 2 to 4, characterized in that: The fixing frame (1) comprises a block-shaped fixing seat (1a) and a long strip-shaped fixing tube (1b) connected to each other, the length extension direction of the fixing seat (1a) and the fixing tube (1b) are consistent, and the handrail (2) is rotatably mounted on the fixing tube (1b).

6. The armrest structure of a car seat according to claim 5, characterized in that: A damper (5) for slowing down the turning speed of the handrail (2) is provided between the end of the fixing tube (1b) away from the fixing seat (1a) and the handrail (2).

7. The armrest structure of a car seat according to claim 6, characterized in that: The handrail (2) is provided with a mounting seat (9), a connecting seat (10) is provided on the end of the fixing tube (1b) away from the fixing seat (1a), the rotating end of the damper (5) is connected to the mounting seat (9), the fixed end of the damper (5) is connected to the connecting seat (10), a bushing (4) is sleeved on the connecting seat (10), and a plurality of annular supporting sheets (6) are provided on the handrail (2), one of the supporting sheets (6) is sleeved on the bushing (4), and the remaining supporting sheets (6) are sleeved on the fixing tube (1b).

8. The armrest structure of a car seat according to claim 7, characterized in that: The connecting seat (10) comprises a nut (10b) welded to the end of the fixing pipe (1b) away from the fixing seat (1a) and a step bolt (10a) welded to the nut; the bushing (4) is sleeved on the step bolt (10a), and the two ends of the bushing (4) are respectively abutted against the step bolt (10a) and the nut (10b).

9. The armrest structure of a car seat according to claim 5, characterized in that: The fixing tube (1b) is provided with a strip hole (1b1) along the circumferential direction, a positioning piece (7) covering the strip hole (1b1) is connected to the fixing tube (1b), and the positioning hole (3a) is provided on the positioning piece (7).

10. The armrest structure of a vehicle seat according to claim 5, characterized in that: The fixing seat (1a) is provided with a rotating shaft (8) for connecting with a car seat. The rotating shaft (8) extends out of the fixing seat (1a) and is arranged perpendicular to the fixing tube (1b).

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