Seat turnover mechanism

Abstract

A seat turnover mechanism relates to the technical field of seat adjusting equipment and comprises a driving assembly and a turnover assembly, the driving assembly comprises a driving motor, a push rod and a push rod fixing seat, and the turnover assembly comprises a push rod connecting lug seat, a transmission plate, a turnover support, a rotating shaft and two bearing supports. A sliding groove and a plurality of lug fixing holes are formed in the turnover support, the push rod connecting lug is connected with the movable outer end of the push rod and the transmission plate, a rotating shaft fixing hole is formed in the middle of the turnover support, a step pin inserted into the sliding groove is arranged at one end of the turnover support, and a seat connecting lug is arranged at the other end of the turnover support. The rotating shaft penetrates through the rotating shaft fixing hole, and the two ends of the rotating shaft are connected with the bearings respectively. The mechanism is compact in structure, the seat is turned over mechanically, the control is simple, the overall dimension of the whole equipment in the width direction is reduced, the space utilization rate of a place is improved, and the diversified requirements of the market are met.

Description

Technical Field

[0001] This utility model relates to the field of seat adjustment equipment technology, and in particular to a seat flipping mechanism. Background Technology

[0002] Seating is a primary facility in theaters, cinemas, and other similar venues. Existing seating is generally fixed in place, which no longer meets the diverse needs of the market. To achieve seat rotation, the entire device needs to meet certain dimensions in the width direction. For seats arranged front-to-back, this significantly occupies installation space in the width direction, especially in scenarios where installation space is limited and the device cannot be pushed forward or backward or rotated using levers, resulting in low space utilization. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a seat flipping mechanism with a compact structure. It uses mechanics to flip the seat, is easy to control, reduces the overall size of the device in the width direction, improves the space utilization rate, and meets the diversified needs of the market.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A seat flipping mechanism includes a drive assembly and a flipping assembly. The drive assembly includes a drive motor, a push rod, and a push rod mounting base. The drive motor controls the movable part of the push rod to perform linear reciprocating motion, and the push rod mounting base is used to fix the fixed part of the push rod.

[0006] The flipping assembly includes a push rod connecting lug, a transmission plate, a flipping bracket, a rotating shaft, and two bearing supports. The transmission plate is arc-shaped with a groove and several lug fixing holes. The push rod connecting lug connects the movable outer end of the push rod to the transmission plate. The flipping bracket has a rotating shaft fixing hole in the middle, a stepped pin inserted into the groove at one end, and a seat connecting lug at the other end. Bearings are mounted on the two bearing supports. The rotating shaft passes through the rotating shaft fixing hole and is connected to the bearings at both ends. The transmission plate coincides with the central axis of the rotating shaft. The connecting surfaces of the push rod connecting lug and the transmission plate are also arc-shaped, ensuring a tight fit. The flipping bracket is fixed to the rotating shaft in a cross shape, and the seat connecting lug connects to the seat. During operation, the drive motor drives the push rod to move the transmission plate between the two bearing supports. During this movement, the groove exerts a downward or upward force on the stepped pin, causing the flipping bracket to swing around the rotating shaft and achieve flipping.

[0007] Preferably, a connecting block is provided between the movable outer end of the push rod and the push rod connecting lug, which can be connected and fixed by the flange at the end.

[0008] Preferably, the arc α of the transmission plate is between 100° and 115°, the angle through which the starting point and ending point of the slide groove rotates along the arc surface of the transmission plate is ≥90°, and when the transmission plate is flattened, the angle β between the slide groove and the axis of the transmission plate in the horizontal direction is between 40° and 50°. The slide groove is diagonally inclined on the transmission plate, so that the rotation angle ranges from 0° to 90°.

[0009] Preferably, the number of seat connecting ear seats is two and they are arranged symmetrically for better connection and fixation of the seat.

[0010] Preferably, the transmission plate located between the two bearing supports is provided with stops on both sides to provide protection and limit movement.

[0011] Preferably, the stop is made of angle steel.

[0012] The advantages of this utility model are: 1. The mechanism has a compact structure, and the seat flipping is achieved mechanically, making control simple;

[0013] 2. The push rod is set parallel to the central axis of the rotating shaft, which reduces the overall size of the equipment in the width direction, saves installation space in the width direction, and is suitable for use with seats arranged in front and behind. It is especially suitable for scenarios where the equipment installation space is small and cannot be pushed back and forth, and the overall flipping is achieved by using the lever principle, thereby improving the space utilization rate and meeting the diversified needs of the market. Attached Figure Description

[0014] Figure 1 This is a top view of the seat of this utility model in its upright position;

[0015] Figure 2 This is a top view of the seat of this utility model in its flat position;

[0016] Figure 3 This is a front view of the flip-up component in the present invention with the seat upright.

[0017] Figure 4 This is a front view of the flip-up component in the present invention with the seat in a flat position;

[0018] Figure 5 This is a schematic diagram of the transmission plate and the flipping bracket in this utility model;

[0019] Figure 6 This is a schematic diagram of the flattened transmission plate in this utility model.

[0020] Explanation of key component symbols in the diagram:

[0021] Drive components: 11. Drive motor; 12. Push rod; 13. Push rod holder; 14. Connecting block;

[0022] Flipping assembly: 21. Push rod connecting lug; 22. Transmission plate; 22.1. Slide groove; 22.2. Lug fixing hole; 23. Flipping bracket; 23.1. Rotary shaft fixing hole; 23.2. Step pin; 23.3. Seat connecting lug; 24. Rotary shaft; 25. Bearing support; 25.1. Bearing; 26. Stop. Detailed Implementation

[0023] To more clearly illustrate this utility model, the following description, in conjunction with the accompanying drawings, will provide further details.

[0024] Example 1: As Figure 1-2 As shown, a seat flipping mechanism includes a drive assembly and a flipping assembly. The drive assembly includes a drive motor 11, a push rod 12, and a push rod fixing seat 13.

[0025] Combination Figure 3-4 As shown, the flipping assembly includes a push rod connecting lug 21, a transmission plate 22, a flipping bracket 23, a rotating shaft 24, and two bearing supports 25. The transmission plate 22 is arc-shaped and has a sliding groove 22.1 and several lug fixing holes 22.2. The push rod connecting lug 21 is connected to the movable outer end of the push rod 12 and the transmission plate 22. The flipping bracket 23 has a rotating shaft fixing hole 23.1 in the middle, a stepped pin 23.2 inserted into the sliding groove 22.1 at one end, and a seat connecting lug 23.3 at the other end. Bearings 25.1 are respectively provided on the two bearing supports 25. The rotating shaft 24 passes through the rotating shaft fixing hole 23.1 and is connected to the bearings 25.1 at both ends.

[0026] The transmission plate 22 coincides with the central axis of the rotating shaft 24.

[0027] Example 2: Combination Figure 1-2 As shown, based on Embodiment 1, a connecting block 14 is provided between the movable outer end of the push rod 12 and the push rod connecting lug 21.

[0028] Example 3: Combination Figure 5-6 As shown, based on Embodiment 1 or Embodiment 2, the arc α of the transmission plate 22 is between 100° and 115°, the angle through which the starting point to the ending point of the slide groove 22.1 rotates along the arc surface of the transmission plate 22 is ≥90°, the angle β between the axis of the slide groove 22.1 and the axis of the transmission plate 22 in the horizontal direction is between 40° and 50° when the transmission plate 22 is in a flattened state, and the angle range of the flipping bracket 23 is between 0° and 90°.

[0029] Example 4: Combination Figure 3-4As shown, based on Embodiment 1, Embodiment 2 or Embodiment 3, the number of seat connecting ear seats 23.3 is two and they are arranged symmetrically.

[0030] Example 5: Combination Figure 3-4 As shown, based on the above embodiment, a stop block 26 is provided on both sides of the transmission plate 22 located between the two bearing supports 25, and the stop block 26 can be made of angle steel.

[0031] The above description is only a specific embodiment of the present utility model, but the structural features of the present utility model are not limited thereto. The present utility model can be used in similar products. Any changes or modifications made by those skilled in the art within the scope of the present utility model are covered by the patent scope of the present utility model.

Claims

1. A seat tip mechanism characterized by: The utility model relates to a seat turning device, including driving assembly and turnover assembly; The driving assembly includes a driving motor (11), a push rod (12) and a push rod fixing seat (13); The turnover assembly includes a push rod connecting lug seat (21), a transmission plate (22), a turnover support (23), a rotating shaft (24) and two bearing supports (25), the transmission plate (22) is in the shape of a circular arc, is provided with a sliding groove (22.1) and a plurality of lug fixing holes (22.2) on it, the push rod connecting lug seat (21) is connected with the movable outer end of the push rod (12) and the transmission plate (22) respectively, the turnover support (23) is provided with a rotating shaft fixing hole (23.1) in the middle, is provided with a stepped pin (23.2) inserted into the sliding groove (22.1) at one end, is provided with a seat connecting lug seat (23.3) at the other end, two bearing supports (25) are provided with bearings (25.1) respectively, the rotating shaft (24) passes through the rotating shaft fixing hole (23.1) and is connected with the bearings (25.1) at both ends respectively; The center axis of the transmission plate (22) coincides with the rotating shaft (24).

2. A seat recline mechanism according to claim 1, characterised in that: A connecting block (14) is arranged between the movable outer end of the push rod (12) and the push rod connecting lug seat (21).

3. A seat recline mechanism according to claim 1, characterised in that: The arc degree alpha of the transmission plate (22) is between 100 DEG and 115 DEG, the angle of the starting point to the terminal point of the sliding groove (22.1) along the circular arc surface of the transmission plate (22) is greater than or equal to 90 DEG, and the angle beta of the sliding groove (22.1) and the transmission plate (22) axis in the horizontal direction is between 40 DEG and 50 DEG when the transmission plate (22) is in the flat state.

4. A seat recline mechanism according to claim 1, characterised in that: The number of the seat connecting lug seat (23.3) is two and symmetrically arranged.

5. A seat recline mechanism according to claim 1, characterised in that: The transmission plate (22) between the two bearing supports (25) is provided with a stop block (26) on both sides respectively.

6. A seat recline mechanism according to claim 5, wherein: The stop block (26) is an angle steel.

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