阅读说明：本技术 一种座椅的手动脚踏装置 (Manual pedal device of seat ) 是由 肖建国 于 2019-12-06 设计创作，主要内容包括：本发明涉及家具座椅技术领域,更具体地,涉及一种座椅手动脚踏装置,所述装置包括框架组件、脚踏组件,所述脚踏组件与框架组件转动连接,所述装置设有用于固定脚踏组件相对于框架组件转动角度的锁紧结构。本发明提供一种能够独立使用的脚踏装置,非常方便地安装到家具类座椅产品上,特别可用于连接安装到功能沙发休闲椅上。本脚踏装置既可安装到单人位座椅,双人位座椅,也可安装到多人位座椅上。安装也非常简单方便,只要将脚踏装置通过螺杆固定到座椅坐垫下方就可以。本发明由于设计了锁紧结构,在拉出和推回脚踏过程中,踏脚板始终保持锁住状态,不会由于弹簧作用而产生向上转动。所以拉出和推回脚踏过程,只需使用水平推拉力,而不需加上向下的压力,方便了用户的操作。(The invention relates to the technical field of furniture seats, in particular to a manual pedal device for a seat. The invention provides a pedal device capable of being independently used, which is very conveniently installed on furniture seat products, and is particularly suitable for being connected and installed on functional sofa leisure chairs. The pedal device can be installed on a single seat, a double seat and a multi-seat. The installation is also very simple and convenient, as long as the pedal device is fixed below the seat cushion through the screw rod. The pedal plate is always kept in a locked state and cannot rotate upwards under the action of the spring in the process of pulling out and pushing back the pedal due to the design of the locking structure. Therefore, the pedal is pulled out and pushed back, only horizontal push-pull force is needed, downward pressure is not needed, and the operation of a user is facilitated.)

1. Manual pedaling apparatus of a chair, characterized in that the apparatus comprises a frame assembly (1), a pedaling assembly (2), the pedaling assembly (2) is rotatably and movably connected with the frame assembly (1), and the apparatus is provided with a locking structure (3) for fixing the rotation angle of the pedaling assembly (2) relative to the frame assembly (1).

2. The manual footrest device for chairs according to claim 1, characterized in that said frame assembly (1) is formed by four surrounding connecting plates, which comprise a first slot (11) with two opposite sides for the movement of the footrest assembly (2) and capable of limiting the up-and-down movement of the footrest assembly (2), and a first connecting plate (13) and a second connecting plate (14) connected to the first slot (11) with two opposite sides and opposite to each other.

3. The manual pedal device of chair as claimed in claim 2, wherein the first slot (11) is further provided with a second slot (12) for movement of the pedal assembly (2) and capable of limiting the left and right movement of the pedal assembly (2), and the first connecting plate (13) is connected with a pedal lock plate (15) for limiting the movement position of the pedal assembly (2).

4. A manual pedal device of a seat according to claim 3, characterized in that the pedal assembly (2) comprises a pedal (21), a pedal rotating member (22), a pedal connecting member (23), a rotating member (25) and a roller assembly (29) for rolling in the frame assembly (1), the pedal (21) is rotatably connected with the pedal rotating member (22) and one end of the pedal connecting member (23), the pedal connecting member (23) is rotatably connected with the roller assembly (29) around the rotating member (25), and the pedal assembly (2) is provided with a tension spring (27) for providing the acting force for rotating the pedal connecting member (23) and the roller assembly (29).

5. The manual pedal device of the seat according to claim 4, wherein the two ends of the roller assembly (29) are provided with an outer roller (210), an inner roller (211) and a rotation fixing plate (213), the outer rollers (210) at the two ends are connected with the first groove (11) in a rolling manner, the inner rollers (211) at the other end are connected with the second groove (12) in a rolling manner, and the other ends of the pedal rotating member (22) and the pedal connecting member (23) are connected with the rotation fixing plate (213) in a rotating manner.

6. The manual pedal device of chair according to claim 5, characterized in that the pedal connecting piece (23) and the rotation fixing plate (213) are provided with fixing pieces (26), the extension spring (27) is connected with the fixing pieces (26), and the second connecting plate (14) is provided with a square hole (141) clamped with the pedal rotating piece (22).

7. The manual pedal device of a seat according to any one of claims 3 to 6, wherein the pedal connecting member (23) is provided with a groove at the front end thereof, the pedal (21) is provided with a pedal stopper (24) for limiting the rotation of the pedal (21) relative to the pedal connecting member (23), and the pedal stopper (24) is rotatably provided in the groove; the device is also provided with a limiting rubber wheel (28), the limiting rubber wheel (28) is arranged at the rear part of the pedal rotating part (22) and is adjacent to the position connected with the rotating fixing plate (213), and the pedal locking plate (15) is provided with a second groove matched with the limiting rubber wheel (28).

8. The manual pedal device of the seat according to claim 4, characterized in that the roller assembly (29) is provided with an inner roller fixing plate (215), the locking structure (3) comprises a locking plate spring element (217), a locking plate (218), a locking plate spring (221) and a locking plate rubber wheel (222), the locking plate (218) is fixedly connected with the inner roller fixing plate (215), two ends of the locking plate spring (221) are fixedly connected with the locking plate (218) and the locking plate spring element (217), and the locking plate rubber wheel (222) is arranged on the pedal assembly (2).

9. The manual pedaling device for chair according to claim 8, wherein said roller assembly (29) comprises a connecting pipe (212), an outer roller fixing plate (216), a tension spring fixing member (214), an inner roller (211) is fixed on the inner roller fixing plate (215), an outer roller (210) is fixed on the outer roller fixing plate (216), and a locking plate spring member (217) is fixed on the connecting pipe (212).

10. The manual pedal device of seat according to claim 1, characterized in that, the manual pedal device is further provided with a limiting member for preventing the pedal assembly from being pulled out of the frame assembly (1), and the limiting member comprises a front end limiting screw (31) for limiting the pulling-out of the outside roller (210), a front end limiting nut (4), a front end inside limiting screw (5) for limiting the pulling-out of the inside roller (211), and a front end inside limiting nut (6).

Technical Field

The invention relates to the technical field of furniture seats, in particular to a manual pedal device of a seat.

Background

With the continuous development of social economy, people pursue living quality more and more, and the requirement on the comfort level of the seat is also higher and more. Common furniture seats are not provided with pedal devices, and when people sit in the seats for rest and relaxation, the feet of the people feel not easy and comfortable because the feet of the people are not supported. And the use of independent external pedals occupies too much indoor space, and the height of the pedals cannot be better matched with the height of the seat.

Some cushions in the market with the pedal device are integrally assembled and connected with the seat and cannot be independently disassembled, so that the volume and the weight of the whole seat are increased, and great inconvenience is caused to production and transportation. In addition, the pedals are connected to the seat cushion and are rotated and extended out through the connecting rod mechanism or the rotary rotating mechanism, so that the pedals occupy more space below the seat cushion, the whole seat looks relatively bloated and unattractive, and the aesthetic requirements of the current society are not met.

For the seat with the electric pedal device, the whole structure of the pedal device is more complex and the requirement on the whole strength is higher due to the consideration of the installation of the motor. Meanwhile, the number of parts of the whole product is large, which directly results in the increase of the product cost.

With some manual pedalling seats, the pedal always rotates upwards when the pedal is pulled out and pushed back, due to the absence of some structural arrangements, under the pull of the spring. When the pedals are pulled out and pushed back, if no downward pressing force is used, the pedal plate is pushed to the bottom of the seat, and the pedals are damaged.

Disclosure of Invention

The present invention has been made to overcome the above-mentioned conventional problems, and an object of the present invention is to provide a manual pedal device for a seat.

In this technical solution, a manual pedal device for a seat is provided, the device includes a frame assembly, a pedal assembly rotatably and slidably connected with the frame assembly, and a locking structure for fixing a rotation angle of the pedal assembly relative to the frame assembly.

The invention provides a pedal device capable of being independently used, which can be used as an independent unit and can be conveniently installed on furniture seat products, in particular to be used for being connected and installed on functional sofa leisure chairs. The pedal device can be installed on a single seat, a double seat and a multi-seat. The installation is also very simple and convenient, as long as the pedal device is fixed below the seat cushion through the screw rod. And the invention is provided with the pedal assembly and the frame assembly which are rotatably and slidably connected, so that the arrangement is that only the pedal assembly needs to be pulled out and pushed back and then can be rotated when in use, thereby realizing the placement or the storage of feet. In addition, due to the design of the locking structure, the pedal plate is always kept in a locked state in the process of pulling out and pushing back the pedal, and the pedal plate cannot rotate upwards under the action of the spring.

Preferably, the frame assembly is composed of four surrounding connecting plates, and the four connecting plates comprise first grooves which are arranged on two sides of the frame assembly oppositely and used for the movement of the pedal assembly and can limit the pedal assembly to move up and down, and first connecting plates and second connecting plates which are connected with the first grooves on the two sides and are arranged oppositely.

Preferably, the first groove is further provided with a second groove which is used for movement of the pedal assembly and can limit the pedal assembly to move left and right, and the first connecting plate is connected with a pedal locking plate used for limiting the movement position of the pedal assembly.

Preferably, pedal assembly includes by footboard, pedal rotation piece, pedal connecting piece, rotation piece and is used for the rolling wheel components in frame subassembly, the footboard all rotates with the pedal one end of rotating piece, pedal connecting piece and is connected, pedal connecting piece revolves the rotation piece with wheel components and is connected, pedal assembly is equipped with the extension spring who is used for providing pedal connecting piece and wheel components pivoted effort.

Preferably, two ends of the roller assembly are provided with an outer roller, an inner roller and a rotating fixing plate, the outer rollers at the two ends are in rolling connection with the first groove, the inner rollers at the other end are in rolling connection with the second groove, and the other ends of the pedal rotating part and the pedal connecting part are in rotating connection with the rotating fixing plate.

Preferably, all be equipped with the mounting on pedal connecting piece and the rotation fixed plate, extension spring is connected with the mounting, be equipped with on the second connecting plate with pedal square hole that rotates the piece joint.

Preferably, a groove is formed in the front end of the pedal connecting piece, a pedal limiting piece used for limiting the rotation of the pedal relative to the state of the pedal connecting piece is arranged on the pedal, and the pedal limiting piece is arranged in the groove and can rotate; the device is also provided with a limiting rubber wheel, the limiting rubber wheel is arranged at the position, adjacent to the rear part of the pedal rotating part, connected with the rotating fixing plate, and the pedal locking plate is provided with a second groove matched with the limiting rubber wheel in a locking state.

Preferably, the roller assembly is provided with an inner side roller fixing plate, the locking structure comprises a locking plate spring part, a locking plate spring and a locking plate rubber wheel, the locking plate is fixedly connected with the inner side roller fixing plate, two ends of the locking plate spring are fixedly connected with the locking plate and the locking plate spring part, and the locking plate rubber wheel is arranged on the pedal assembly.

Preferably, the roller assembly comprises a connecting pipe, an outer roller fixing plate and a tension spring fixing piece, the inner roller is fixed on the inner roller fixing plate, the outer roller is fixed on the outer roller fixing plate, and the locking plate spring piece is fixed on the connecting pipe.

Preferably, the manual pedal device is further provided with a limiting part for preventing the pedal assembly from being pulled out of the frame assembly, and the limiting part comprises a front end limiting screw rod for limiting the pulling-out of the outer side roller, a front end limiting nut, a front end inner side limiting screw rod for limiting the pulling-out of the inner side roller and a front end inner side limiting nut.

Compared with the prior art, the beneficial effects are:

according to the invention, the pedal device is arranged and connected under the seat, the pedals are manually driven by a human body to do horizontal telescopic movement, the overall occupied space of the pedal device is small, and the space under the seat can be maximized. This enables the person to have a larger resting space for the legs when sitting without the discomfort of pushing against the legs. And the whole thickness of the seat can be very thin, so that the whole seat looks more integrated, and the requirement of conciseness and beauty advocated by the current society is met.

The invention is a manual pedal device, which has the advantages of convenient and simple use, simple structure and lower cost than an electric pedal device. Because the electric motor is not used for driving, the pedal is only manually stretched, and the environment is more green.

The pedal device mainly comprises a wheel groove frame component, a pedal component and the like. The footrest is secured to the iron or wood frame of the seat cushion by the wheel well frame assembly. After the whole pedal device is installed, the pedal device can be hidden under the seat and does not occupy the front space position of the seat. The entire footrest is independently operated and is not directly linked to other functions of the seat.

The wheel groove frame component is mainly formed by combining and welding an outer wheel groove, an inner wheel groove, a front fixing plate, a rear fixing plate, a pedal locking plate and the like. The foot pedal assembly is provided with a roller wheel, and the roller wheel can linearly roll back and forth in a guide wheel groove of the wheel groove frame. The pedal device is driven manually, and the pedal assembly is pulled to move back and forth manually.

The pedal plate is always kept in a locked state and cannot rotate upwards under the action of the spring in the process of pulling out and pushing back the pedal due to the design of the locking mechanism. Therefore, the pedal is pulled out and pushed back, only horizontal push-pull force is needed, downward pressure is not needed, and the operation of a user is facilitated.

When the pedal assembly is manually pushed to the rear of the seat, the entire pedal assembly is brought to the lower portion of the seat for storage. When the pedal assembly is pulled manually to move forwards to the foremost end, the pedal extends out of the front part of the seat and rotates to be lifted due to the pulling of the rotating iron sheet and the connecting iron sheet.

When the footrest assembly is manually pulled to the front, the footrest will now be in a position extending out of the seat and raised to lie flat against the seat cushion. At this moment, the user sits on the seat, and the feet of the user are supported, so that the leisure and comfortable effects are achieved.

Drawings

FIG. 1 is a schematic view of the present invention in a state where the footrest is stowed under the seat;

FIG. 2 is a schematic view of the present invention in a state where the footrest is stowed under the seat;

FIG. 3 is a schematic view showing the structure of the present invention in a state where the footrest is stowed under the seat;

FIG. 4 is a schematic view of the present invention in a state where the footrest is stowed under the seat;

FIG. 5 is a schematic structural view of the components of the wheel well frame assembly of the present invention;

FIG. 6 is a schematic structural view of the components of the wheel well frame assembly of the present invention;

FIG. 7 is a schematic structural view of the components of the footrest assembly of the present invention;

FIG. 8 is a schematic structural view of the components of the footrest assembly of the present invention;

FIG. 9 is a schematic structural view of the components of the roller assembly of the present invention;

FIG. 10 is a schematic structural view of the components of the roller assembly of the present invention;

FIG. 11 is a schematic structural view showing a state in which the pedal assembly of the present invention just collides with the limit screw;

FIG. 12 is a schematic structural view showing a state in which the pedal assembly of the present invention just collides with the limit screw;

FIG. 13 is a schematic structural view showing a state in which the footrest assembly just collides with the limit screw in accordance with the present invention;

fig. 14 is a schematic structural view showing a state where the footrest of the present invention is extended to the outside of the seat;

FIG. 15 is a schematic structural view showing a state where the footrest of the present invention is extended to the outside of the seat;

fig. 16 is a schematic structural view showing a state where the footrest of the present invention is extended to the outside of the seat;

FIG. 17 is a view of the footrest in the rear of the seat in accordance with the present invention;

FIG. 18 is a state of the foot rest of the present invention just after extension;

fig. 19 is a state view of the foot board 21 of the present invention when it is extended to the outside;

fig. 20 is a view showing the step plate installed in the seat of the present invention in the rear of the seat and extended to the outside.

FIG. 21 is a schematic view of a portion of the manual step device of the chair of the present invention.

FIG. 22 is a partial schematic view of the manual step device of the chair of the present invention.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals 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 such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings: