CN110710817A - A seat pedal device - Google Patents

Abstract

The invention relates to the field of seat accessories, and more particularly, to a seat footrest device, comprising a movable footrest assembly, a driving assembly for driving the movable footrest assembly to move, and a frame assembly provided with a horizontal slide rail, the driving assembly is mounted on a At one end of the frame assembly, the movable pedal assembly is installed on the horizontal slide rail, and the drive assembly drives the movable pedal assembly to move on the horizontal slide rail; the movable pedal assembly includes a pedal away from the driving assembly and a connecting mechanism for driving the pedal to swing, The side of the frame assembly away from the drive assembly is provided with a swing driving mechanism for driving the connecting mechanism to swing. The invention installs and connects the foot pedal device under the seat, and drives the movable foot pedal assembly to perform horizontal telescopic movement through the driver, so that the overall foot pedal device occupies less space and can maximize the space under the seat. And the overall thickness of the seat can be very thin, making the overall seat look more integrated, meeting the requirements of simplicity and beauty that are respected by the current society.

Description

A seat pedal device

technical field

The present invention relates to the field of seat accessories, and more particularly, to a seat footrest device.

Background technique

With the continuous development of social economy, people's pursuit of quality of life is getting higher and higher, and the requirements for seat comfort are also getting higher and higher. Generally, ordinary furniture seats do not have footrest devices. When people sit in the seat to rest and relax, because there is no support for the feet, it makes people feel less relaxed and comfortable. The use of independent external pedals takes up too much indoor space, and the height of the pedals cannot be better matched to the height of the seat.

In some existing seats with footrests, since the footrests are connected to the seat cushion, the footrests are rotated and extended through the link mechanism or the rotating mechanism, which causes the footsteps to occupy a lot of space under the seat cushion, and the extension It is also difficult to control the height of the pedals that come out. Among them, the patent document with the publication number of "CN207152307U" discloses a leisure chair with electric control of the extension of the pedals. The pedals of the leisure chair are rotated around the front end of the seat cushion. Swing and stretch at the point of the foot, resulting in the need for more room for the pedals to move.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned problem that the swing-extension type footrest occupies a large space in the prior art, the present invention provides a footrest device for horizontal telescopic motion, which reduces the space occupied by the footrest.

In order to solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a seat footrest device, comprising a movable footrest assembly, a drive assembly for driving the movement of the movable footrest assembly, and a frame assembly provided with a horizontal slide rail, so The drive assembly is installed on one end of the frame assembly, the movable footrest assembly is installed on the horizontal slide rail, and the drive assembly drives the movable footrest assembly to move on the horizontal slide rail; The footrest assembly includes a footrest far from the driving assembly and a connecting mechanism for driving the footrest to swing, and a swing driving mechanism for driving the connecting mechanism to swing is provided on a side of the frame assembly away from the driving assembly.

The footrest device is placed under the seat, the drive assembly is located at one end of the backrest of the seat, and the movable footrest assembly is placed horizontally. When the pedal needs to be used, the drive assembly drives the movable pedal assembly to move on the sliding rail, from the end close to the drive assembly to the end away from the drive assembly, and extends out of the seat. The swing drive mechanism drives the connection structure to drive the foot pedal to swing upward to form a certain angle, which is convenient for the user to put the foot on the foot pedal. After the use is completed, the movable pedal assembly is driven to reset by the drive assembly.

Preferably, the drive assembly is a motor drive assembly, the horizontal slide rail is provided with a slider connected to the motor drive assembly, and the slider is connected to the movable foot pedal assembly. The movement of the movable foot pedal assembly is driven by the motor without manual driving, which makes the foot pedal device more convenient and practical.

Preferably, the connection mechanism includes a transverse connection plate, a rotating fixed plate installed on both sides of the transverse connection plate, and a pedal rotation member and a pedal connection member respectively installed on the two sides of the rotation fixed plate, so One ends of the pedal rotating member and the pedal connecting member away from the rotating fixed plate are both rotatably connected to the pedal. The footrest assembly moves out of the seat and contacts with the swing drive mechanism. The swing drive mechanism drives the end of the footrest rotating members on both sides close to the footrest to swing upward to form a certain angle, and at the same time the footrest connector can pull the footrest Turn it counterclockwise to make the footrest tilt away from the seat, which is convenient for users to place their feet.

Preferably, the swing driving mechanism includes a mounting frame and a round wheel mounted on the mounting frame through a circular shaft, and the vertical position of the round wheel is higher than the connection point between the pedal rotating member and the rotating fixed plate The position of the pedal is high; the pedal assembly moves to the other end of the frame assembly, and the circular wheel is in contact with the pedal rotation member. The circular wheel is made of plastic material. After the pedal rotating part is in contact with the circular wheel, due to the high position of the circular wheel, the circular wheel gives the pedal rotating part a backward thrust, so that the pedal rotating part swings upward, and the plastic circular wheel Can reduce the impact force generated by contact.

Preferably, one end of the pedal rotating member close to the rotating fixed plate is connected to the rotating fixed plate through a reset elastic member. The restoring elastic piece can make the pedal turning piece press on the round wheel.

Preferably, the pedal rotating member is provided with a limiting portion, and when the pedal rotating member is in abutment with the circular wheel, the top end of the limiting portion is in contact with the circular wheel. During the retracting process of the pedal, the pedal rotating part and the round wheel are prone to be in contact with each other continuously, resulting in the sudden drop of the pedal. The top of the limit part is in contact with the round wheel, and the pedal rotating part is also in contact with the round wheel. The two are equivalent to sandwiching the round wheel. When the pedal is retracted, the limit part can be close to the round wheel, so that the foot The pedal and the wheel are always in contact.

Preferably, a groove is provided at one end of the pedal rotating member close to the pedal, and the pedal is provided with a limit pin embedded in the groove. When the movable footrest assembly is stored under the seat, the limit pin of the footrest always presses against the rear part of the groove through the pulling force of the restoring elastic member to keep the footrest in a horizontal state.

Preferably, the pedal rotating parts and the rotating connecting parts on both sides are of an integral structure. The one-piece construction makes movement more consistent.

Preferably, the pedal assembly further includes a roller assembly, the frame assembly is provided with a roller groove parallel to the slide rail, and the roller assembly moves in the roller groove. The roller assembly provides a guiding function, which can make the movable pedal assembly more stable when moving on the slide rail.

Preferably, the roller assembly includes vertical rollers mounted on both sides of the transverse connecting plate and horizontal rollers mounted on the top of the transverse connecting plate. The vertical rollers limit the up and down movement of the movable pedal assembly, and the horizontal rollers limit the left and right movement of the pedal assembly, which ensures that the movable pedal assembly can move smoothly horizontally without shaking and ensures the accuracy of the movement.

Preferably, the frame assembly is provided with a rear plate and a rear fixing member on a side close to the driving assembly, and a front fixing member is arranged on a side away from the driving assembly; the rear plate and the rear fixing member Both are L-shaped. The rear plate, rear mount and front mount are used to mount the footrest on the seat cushion.

Compared with the prior art, the beneficial effect is: the present invention installs and connects the foot pedal device to the bottom of the seat, and drives the movable foot pedal assembly to perform horizontal telescopic movement through the driver, so that the overall foot pedal device occupies less space, and the seat can be The space below is maximized. And the overall thickness of the seat can be very thin, making the overall seat look more integrated, meeting the requirements of simplicity and beauty that are respected by the current society.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation of the movable pedal assembly of the present invention;

Fig. 3 is the structural representation of the swing drive mechanism of the present invention;

4 is a schematic diagram of the connection structure of the groove and the limit pin of the present invention;

Fig. 5 is the storage state diagram after the installation of the present invention;

Fig. 6 is the extended state diagram after installation of the present invention;

FIG. 7 is a working state diagram of the present invention after installation.

Among them: 1. Active pedal assembly; 101, pedal; 102, horizontal connecting plate; 103, rotating fixed plate; 104, pedal rotating part; 105, pedal connecting part; 106, reset elastic part; 107, limit pin; 108, groove; 2, drive assembly; 3, horizontal slide rail; 301, slider; 4, frame assembly; 401, mounting bracket; 402, round wheel; 403, rear plate; 404, rear fixing part; 405 5. Vertical rollers; 6. Horizontal rollers; 7. Seat cushions.

Detailed ways

The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate the present embodiment, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable to the artisan that certain well-known structures and descriptions thereof may be omitted from the drawings. The positional relationships described in the drawings are only for exemplary illustration, and should not be construed as a limitation on the present patent.

The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms “upper”, “lower”, “left” and “right” The orientation or positional relationship indicated by "long" and "short" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific Therefore, the terms describing the positional relationship in the accompanying drawings are only used for exemplary illustration, and should not be construed as a limitation on this patent. For those of ordinary skill in the art, they can understand according to specific circumstances. The specific meanings of the above terms.

Below by specific embodiment, and in conjunction with accompanying drawing, the technical scheme of the present invention is further described in detail:

Example 1

As shown in FIG. 1, a seat footrest device includes a movable footrest assembly 1, a drive assembly 2 for driving the movable footrest assembly 1 to move, and a frame assembly 4 provided with a horizontal slide rail 3, and the drive assembly 2 is mounted on the frame At one end of the assembly 4, the movable pedal assembly 1 is installed on the horizontal slide rail 3, and the drive assembly 2 drives the movable pedal assembly 1 to move on the horizontal slide rail 3; As for the connection mechanism for driving the footrest 101 to swing, the side of the frame assembly 4 away from the drive assembly 2 is provided with a swing drive mechanism for driving the connection mechanism to swing. In order to install the foot pedal device on the seat cushion, the frame assembly 4 is provided with a rear plate 403 and a rear fixing member 404 on the side close to the driving assembly 2, and a front fixing member 405 is arranged on the side away from the driving assembly 2; Both the plate 403 and the rear fixing 404 are L-shaped. The rear plate, rear mount and front mount are used to mount the footrest on the seat cushion.

Specifically, the drive assembly 2 is a motor drive assembly, the horizontal slide rail 3 is provided with a slider 301 connected with the motor drive assembly, and the slider 301 is connected with the movable pedal assembly 1 . The movement of the movable foot pedal assembly is driven by the motor without manual driving, which makes the foot pedal device more convenient and practical.

Specifically, as shown in FIG. 2 , the connecting mechanism includes a horizontal connecting plate 102 , a rotating fixed plate 103 installed on both sides of the horizontal connecting plate 102 , and a pedal rotating member 104 and feet installed on both sides of the rotating fixed plate 103 respectively. The pedal connecting member 105 , the pedal rotating member 104 and one end of the pedal connecting member 105 away from the rotating fixed plate 103 are all rotatably connected to the pedal 101 . One end of the pedal rotating member 104 close to the rotating fixing plate 103 is connected to the rotating fixing plate 103 through the restoring elastic member 106 . The footrest assembly moves out of the seat and contacts with the swing drive mechanism. The swing drive mechanism drives the end of the footrest rotating members on both sides close to the footrest to swing upward to form a certain angle, and at the same time the footrest connector can pull the footrest Rotate upwards so that the pedals remain level.

In addition, the pedal rotating parts 104 and the rotating connecting parts 105 on both sides are all of one-piece structure, and are fixedly connected by connecting rods. The one-piece construction makes movement more consistent.

Further, as shown in FIG. 3 , the swing driving mechanism includes an installation frame 401 and a round wheel 402 mounted on the installation frame 401 through a circular shaft. The position of the connection point is high; the movable pedal assembly 1 moves to the other end of the frame assembly 4 , and the circular wheel 402 is in contact with the pedal rotation member 104 . The round wheel is made of plastic material. After the pedal rotating member is in contact with the round wheel, the round wheel gives the pedal rotating member a backward thrust, and at the same time, the elastic member is reset so that the pedal rotating member is pressed against the round wheel, so that the pedal rotating member is pressed against the round wheel. Swing upward, the plastic wheel reduces the impact of contact.

Wherein, the pedal rotating member 104 is provided with a limiting portion 1041 , and the top end of the limiting portion 1041 is in contact with the circular wheel 402 when the pedal rotating member 104 is in contact with the round wheel 402 . The pedal rotating member 104 and the round wheel 402 may not be in continuous contact with each other during the retracting process of the pedal, which may cause the pedal to drop suddenly. The top of the limiting portion 1041 is in contact with the round wheel 402, and the pedal rotating member 104 is also in contact with the round wheel 402. The two are equivalent to sandwiching the round wheel 402. When the pedal is retracted, due to the vertical position of the round wheel 402 The straight position is higher than the position of the connection point between the pedal rotating member 104 and the rotating fixed plate 103, and under the action of the reset elastic member 106, the limiting portion 1041 can be close to the round wheel 402, so that the pedal rotating member 104 and the round wheel The 402 is always in contact, which avoids the problem of falling off the pedal and improves stability. At the same time, since the pedal rotating member 104 is always in contact with the round wheel 402, the pedal rotating member 104 can remain stable when subjected to external force, so that the relative position of the pedal rotating member 104 and the pedal 101 will not change. , will not flip backwards, and play the role of anti-pinch.

Further, as shown in FIG. 4 , a groove 108 is provided at one end of the pedal rotating member 104 close to the pedal 101 , and the pedal 101 is provided with a limiting pin 107 to be embedded in the groove 108 . When the movable footrest assembly is stored under the seat, the limit pin of the footrest always presses against the rear of the groove through the pulling force of the restoring elastic member to keep the footrest in a horizontal state.

Working process or working principle of Embodiment 1: As shown in Figures 4-6, the footrest device is installed on the bottom surface of the seat cushion 1, and in the initial state, the movable footrest assembly is contracted in the space at the bottom of the seat. When the pedal needs to be used, the drive assembly 2 drives the slider 301 to drive the movable pedal assembly to move outward along the horizontal slide rail 3. When the pedal rotation member 104 contacts the round wheel 402, it is in an extended state. The driving assembly 2 continues to push the movable pedal assembly 1, so that the pedal rotating member 104 is subjected to the reaction force of the round wheel 402. Since the connection point between the pedal rotating member 104 and the rotating fixed plate 103 is located below the round wheel 402, the pedal rotating member 104 is 103 can stick to the round wheel 402 to swing upward and stick to the round wheel 402 under the action of the reset elastic member 106. At the same time, due to the pulling of the rotating connecting piece 105, the footrest 101 extends out of the front of the seat, and the foot The pedal 101 is rotated and raised upward, so that the pedal is inclined in a direction away from the seat, which is convenient for placing the user's feet.

When the movable pedal assembly 1 is reset, the driving assembly 2 drives the movable pedal assembly 1 to return to the initial position.

Beneficial effects of this embodiment: the present invention installs and connects the foot pedal device to the bottom of the seat, and drives the movable foot pedal assembly to perform horizontal telescopic movement through the driver, so that the overall foot pedal device occupies less space, and the space under the seat can be maximized change. And the overall thickness of the seat can be very thin, making the overall seat look more integrated, meeting the requirements of simplicity and beauty that are respected by the current society.

Example 2

As shown in Figures 1-2, another embodiment of the pedal device is different from the first embodiment in that the pedal assembly 1 further includes a roller assembly, and the frame assembly 4 is provided with a roller groove parallel to the slide rail (Fig. not shown in ), the roller assembly moves in the roller groove. The roller assembly provides a guiding function, which can make the movable pedal assembly more stable when moving on the slide rail.

Specifically, the roller assembly includes vertical rollers 5 mounted on both sides of the transverse connecting plate 102 and a horizontal roller 6 mounted on the top of the transverse connecting plate 102 . The vertical rollers limit the up and down movement of the movable pedal assembly, and the horizontal rollers limit the left and right movement of the pedal assembly, which ensures that the movable pedal assembly can move smoothly horizontally without shaking and ensures the accuracy of the movement.

The rest of the structure of this embodiment is the same as that of Embodiment 1, and the working principle is the same.

The beneficial effect of this embodiment: the roller assembly provides a guiding function, which can make the movable pedal assembly more stable when moving on the slide rail. The vertical rollers limit the up and down movement of the movable pedal assembly, and the horizontal rollers limit the left and right movement of the pedal assembly, which ensures that the movable pedal assembly can move smoothly horizontally without shaking and ensures the accuracy of the movement.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (10)

1. A seat pedal device comprises a movable pedal assembly (1) and a driving assembly (2) for driving the movable pedal assembly (1) to move, and is characterized by further comprising a frame assembly (4) provided with a horizontal sliding rail (3), wherein the driving assembly (2) is installed at one end of the frame assembly (4), the movable pedal assembly (1) is installed on the horizontal sliding rail (3), and the driving assembly (2) drives the movable pedal assembly (1) to move on the horizontal sliding rail (3); the movable pedal assembly (1) comprises a pedal (101) far away from the driving assembly (2) and a connecting mechanism for driving the pedal (101) to swing, and a swing driving mechanism for driving the connecting mechanism to swing is arranged on one side, far away from the driving assembly (2), of the frame assembly (4).

2. The seat footrest apparatus according to claim 1, characterized in that the drive assembly (2) is a motor drive assembly, and the horizontal slide rail (3) is provided with a slide block (301) connected to the motor drive assembly, and the slide block (301) is connected to the movable footrest assembly (1).

3. The seat pedaling device according to claim 1, wherein the connecting mechanism comprises a transverse connecting plate (102), a rotation fixing plate (103) installed at both sides of the transverse connecting plate (102), and a pedaling rotating member (104) and a pedaling connecting member (105) respectively installed at both side surfaces of the rotation fixing plate (103), wherein the pedaling rotating member (104) and the pedaling connecting member (105) at the ends far away from the rotation fixing plate (103) are rotatably connected with the pedals (101).

4. The seat footrest apparatus according to claim 3, characterized in that the swing drive mechanism comprises a mounting bracket (401), a round wheel (402) mounted on the mounting bracket (401) via a round axle, the round wheel (402) having a vertical position higher than a connection point of the pedal rotation member (104) and the rotation fixing plate (103), the pedal assembly (1) moving to the other end of the frame assembly (4), the round wheel (402) abutting against the pedal rotation member (104).

5. The seat footrest apparatus according to claim 4, characterized in that one end of the footrest rotating member (104) near the rotation fixed plate (103) is connected to the rotation fixed plate (103) by a return elastic member (106).

6. The seat footrest apparatus according to claim 5, characterized in that the footrest rotor (104) is provided with a stopper (1401), and a tip end of the stopper (1401) abuts against the round wheel (402) in a state where the footrest rotor (104) abuts against the round wheel (402).

7. Seat footrest arrangement according to claim 5, characterized in that the end of the footrest rotor (104) close to the footrest (101) is provided with a recess (108), and that the footrest (101) is provided with a limit pin (107) which engages in the recess (108).

8. The seat footrest apparatus according to claim 3, characterized in that the footrest rotors (104) and the rotation connecting members (105) on both sides are of one-piece construction.

9. The seat footrest apparatus according to any one of claims 3 to 8, wherein the footrest assembly (1) further comprises a roller assembly, and the frame assembly (4) is provided with a roller groove parallel to the slide rail (3), and the roller assembly moves in the roller groove.

10. The seat footrest apparatus according to claim 9, characterized in that the roller assemblies comprise vertical rollers (5) mounted on both sides of the transverse connection plate (102) and horizontal rollers (6) mounted on the top end of the transverse connection plate (102).

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