CN103692942B - Automotive seat can multistage adjustment and automatically return the foot board turnover mechanism of position - Google Patents

Abstract

The invention discloses a foot pedal folding mechanism capable of multi-stage adjustment and automatic return of a car seat, which is composed of a foot pedal return mechanism and a multi-stage adjustment and locking mechanism. The foot pedal return The mechanism is composed of the first return spring, the first pedal shaft, the first damping gear and the second damping gear; the multi-stage adjustment locking mechanism is composed of the second pedal shaft, the lock wheel, the bracket, the left Lock bolt, left return spring, left pin shaft, right lock bolt, right return spring, right pin shaft, shift block, shift lever, second return spring, pin shaft and pull lever; When a downward load is applied to the board, the pedal rotates around the pedal shaft, the wedge-shaped lock groove of the lock wheel enters the meshing state with the left lock bolt and the right lock bolt, and the pedal is locked; when the passenger no longer uses the pedal When the board is on the board, the locking mechanism can be unlocked by pressing the lever, and at the same time, the automatic return mechanism starts to work, so that the pedal automatically returns to the original non-use position.

Description

Multi-level adjustable and automatic return pedal folding mechanism for car seats

technical field

The invention relates to a pedal folding mechanism capable of multi-stage adjustment and automatic return of a car seat.

technical background

From the perspective of ergonomics, when the rear passengers are riding in the vehicle, in order to avoid the fatigue of the feet and legs due to being in one posture for a long time, it is especially important to set a pedal in front of the passengers to adjust the posture of the feet and legs. necessary. At present, there are two types of pedals equipped on vehicles: 1) fixed pedals, which are directly installed on the carpet. 2) The simple folding footboard is installed at the rear of the front seat. The characteristics of the fixed pedal are: the position is fixed, it is not easy to store, and it takes up the space of the car body carpet, while the characteristic of the simple folding pedal is: it can only realize simple folding, the use position is unique, and it cannot be used in different positions. locked. On the one hand, it cannot meet the needs of passengers with different body proportions, and does not conform to ergonomics. On the other hand, when not in use, it needs to rely on manpower to return it to the closed position. In snowy or rainy weather conditions, it is easy to Contamination of passengers' hands, poor ergonomics.

Contents of the invention

The object of the present invention is to provide a pedal folding mechanism capable of multi-level adjustment and automatic return of a car seat. The mechanism conforms to ergonomics. On the one hand, it can meet the riding needs of passengers with different body proportions or the riding needs of the same passenger at different times. Provide a more comfortable use function.

The present invention is composed of a pedal return mechanism and a multi-stage adjustment and locking mechanism.

The pedal return mechanism is composed of a first return spring, a first pedal shaft, a first damping gear and a second damping gear, the first pedal shaft is installed on the fixed frame, and the first The return spring is sleeved on the first pedal shaft, the first return spring is located in the first placement groove at the end of the fixed frame, one end of the first return spring is inserted on the first pedal shaft, and the first return spring is inserted into the first pedal shaft. The other end of a return spring is inserted on the groove wall of the first placement groove, and the first return spring drives the first pedal shaft to rotate upwards, and then drives the pedal fixed on the first pedal shaft Put away and return to the position; the first pedal shaft inside the first placement groove is sleeved and fixed with the first damping gear, the first damping gear and the second damping gear are meshed together, and the second damping gear is pivotally connected to the first position On the groove wall of the slot, the diameter of the first damping gear is greater than the diameter of the second damping gear. The first damping gear and the second damping gear can reduce the return speed of the first pedal shaft, thereby reducing the retraction speed of the pedal. Increase the return speed to make the return of the pedals more gentle.

The described multi-stage adjustment locking mechanism is composed of a second pedal shaft, a lock wheel, a bracket, a left lock bolt, a left return spring, a left pin shaft, a right lock bolt, a right return spring, a right pin shaft, and a shifting block. , driving rod, second return spring, pin shaft and trigger rod, the second pedal shaft is installed on the fixed frame, the lock wheel, bracket, left lock bolt, left return spring, left pin shaft, right lock The pin, the right return spring, the right pin shaft, the shift block, the shift lever, the second return spring, the pin shaft and the pull lever are located in the second placement groove, and the second pedal shaft and the second pedal shaft are located inside the second placement groove. The pedals are fixedly connected, and the second pedal shaft in the second storage slot is threaded to fix the lock wheel. The lock wheel has an arc-shaped lock plate, and wedge-shaped lock grooves are opened on both sides of the arc-shaped lock plate. The left lock bolt and the right lock bolt are respectively arranged on both sides of the lock wheel, and the outer sides of the left lock bolt and the right lock bolt respectively have a left pin shaft and a right pin shaft. A left return spring and a right return spring are respectively sleeved on the pin shaft, and the left lock bolt and the right lock bolt are respectively inserted into the wedge-shaped lock groove of the arc lock plate of the lock wheel under the action of the left return spring and the right return spring In the process, the locking wheel does not rotate, and then locks the second pedal shaft and the pedal does not rotate;

There is a wedge-shaped opening between the tops of the left lock bolt and the right lock bolt. The driving lever is pivotally connected to the bracket through a pin shaft, and a second return spring is sleeved on the pin shaft. One end of the second return spring is inserted in the second position On the groove wall of the slot, the other end of the second return spring is inserted on the lever, and the lower part of the lever is extended with a toggle block, which is located at the wedge-shaped opening of the left lock bolt and the right lock bolt, and the pull lever is fixed. on the upper part of the lever;

The working principle of the present invention is:

When a passenger's foot applies a downward load to the footboard, the footboard performs a rotational movement about the footboard axis. When the wedge-shaped lock groove of the lock wheel in the multi-stage adjustment locking mechanism is engaged with the left lock bolt and the right lock bolt, the pedal is locked. Since the lock wheel is designed with multiple tooth slots, passengers with different body proportions can lock the pedals in different use positions by pressing down on the pedals. When the passenger no longer uses the foot pedal, the locking mechanism can be unlocked by pressing the lever, and at the same time, the automatic return mechanism starts to work, so that the foot pedal automatically returns to the original non-use position.

Beneficial effects of the present invention: the mechanism conforms to ergonomics and has a novel structure, which can not only meet the riding needs of passengers with different body proportions or the riding needs of the same passenger at different times, but also avoid the operation of the hands of passengers and realize the The automatic return of the pedals provides passengers with a more comfortable use function.

Description of drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is an enlarged schematic diagram of the multi-stage adjustment locking mechanism of the present invention.

Fig. 4 is a schematic perspective view of the locking wheel of the present invention.

detailed description

Please refer to Fig. 1, Fig. 2 and Fig. 3, the present embodiment is composed of pedal return mechanism 1 and multi-stage adjustment locking mechanism 2,

The pedal return mechanism 1 is composed of a first return spring 11, a first pedal shaft 12, a first damping gear 13 and a second damping gear 14, and the first pedal shaft 12 is installed on the On the fixed frame A, the first return spring 11 is sleeved on the first pedal shaft 12, the first return spring 11 is located in the first placement groove A1 at the end of the fixed frame A, and the first return spring 11 One end of the first return spring 11 is inserted on the first pedal shaft 12, the other end of the first return spring 11 is inserted on the groove wall of the first placement groove A1, and the first return spring 11 drives the first pedal shaft 12 upward Rotate, and then drive the pedal B fixed on the first pedal shaft 12 to retract; the first pedal shaft 12 inside the first placement groove A1 is sleeved with a fixed first damping gear 13, the second A damping gear 13 meshes with a second damping gear 14, the second damping gear 14 is pivotally connected to the groove wall of the first placement groove A1, the diameter of the first damping gear 13 is larger than the diameter of the second damping gear 14, and the second damping gear 14 is A damping gear 13 and a second damping gear 14 can reduce the return speed of the first pedal shaft 12, thereby reducing the retracting return speed of the pedal B, so that the return of the pedal B is relatively gentle.

Described multi-stage adjustment locking mechanism 2 is made up of second pedal shaft 21, lock wheel 22, bracket 23, left lock bolt 24, left return spring 25, left pin shaft 26, right lock bolt 27, right return Spring 28, right bearing pin 29, shifting block 30, driving lever 31, the second return spring 32, bearing pin 33 and pull lever 35 are formed, and the second pedal shaft 21 is worn on the fixed frame A, and lock wheel 22 , bracket 23, left lock bolt 24, left return spring 25, left pin shaft 26, right lock bolt 27, right return spring 28, right pin shaft 29, shift block 30, shift lever 31, second return spring 32 , the pin shaft 33 and the trigger rod 35 are located in the second placement groove A2, and the second pedal shaft 21 is fixedly connected with the pedal B inside the second placement groove A2, and the second pedal shaft 21 in the second placement groove A2 On the pedal shaft 21, the fixed lock wheel 22 is worn, and as shown in Figure 4, the lock wheel 22 has an arc lock plate 221, and the both sides of the arc lock plate 221 are provided with a wedge-shaped lock groove 222, and the left lock bolt 24 and the right The lock bolt 27 is arranged on both sides of the lock wheel 22. The outer sides of the left lock bolt 24 and the right lock bolt 27 have a left pin shaft 26 and a right pin shaft 29 respectively. On the left pin shaft 26 and the right pin shaft 29, the left return spring 25 and the right return spring 28 are sleeved respectively, and the left lock bolt 24 and the right lock bolt 27 are respectively mounted on the left return spring 25 and the right return spring 28. Inserted in the wedge-shaped lock groove 222 of the arc-shaped lock plate 221 of the lock wheel 22 under the action, the lock lock wheel 22 does not rotate, and then locks the second pedal shaft 21 and the pedal B from rotating;

There is a wedge-shaped opening 34 between the tops of the left lock bolt 24 and the right lock bolt 27, and the driving lever 31 is pivotally connected to the support 23 by a pin shaft 33, and the second return spring 32 is sleeved on the pin shaft 33, and the second return spring One end of 32 is inserted on the groove wall of the second placement groove A2, the other end of the second return spring 32 is inserted on the driving rod 31, and the lower part of the driving rod 31 is extended with a shifting block 30, and the shifting block 30 is located on the left The position of the wedge-shaped opening 34 of the locking bolt 24 and the right locking bolt 27, the pull lever 35 is fixed on the top of the driving lever 31;

The working process of the multi-level adjustment locking mechanism 2 and the pedal return mechanism 1 is:

1. In the natural state: under the action of the second return spring 32 of the shifting lever 31, the shifting block 30 at its lower part is located outside the wedge-shaped opening 34 of the left locking bolt 24 and the right locking bolt 27. At this time, the left locking bolt 24 and the right lock bolt 27 are inserted in the wedge-shaped lock groove 222 of the arc lock plate 221 of the lock wheel 22 under the action of the left return spring 25 and the right return spring 28, the lock lock wheel 22 does not rotate, and then locks the second The pedal shaft 21 and the pedal B do not rotate.

2. In the adjustment state: pull the lever 35 upwards, the lever 31 rotates, the lever 31 drives the lower lever 30 to move into the wedge-shaped opening 34 of the left lock 24 and the right lock 27, and the left lock 24 and the right lock 27 The right locking bolt 27 is separated to both sides, and the left locking bolt 24 and the right locking bolt 27 release the locking of the locking wheel 22 and the second pedal shaft 21 and the pedal B; Open, or the pedal B is lifted up under the action of the pedal return mechanism 1, and after reaching the required angle, release the trigger lever 35, and the trigger lever 35 returns under the action of the second return spring 32, Left locking bolt 24 and right locking bolt 27 are respectively inserted in the wedge-shaped lock groove 222 of the arc lock plate 221 of lock wheel 22 under the effect of left return spring 25 and right return spring 28, lock lock wheel 22 and the second Pedal shaft 21 and Pedal B do not rotate, thereby locking Pedal B at this angle.

Claims (1)

1. A pedal folding mechanism capable of multi-level adjustment and automatic return of a car seat, characterized in that: it is composed of a pedal return mechanism (1) and a multi-level adjustment locking mechanism (2), The pedal return mechanism (1) is composed of a first return spring (11), a first pedal shaft (12), a first damping gear (13) and a second damping gear (14), The first pedal shaft (12) is threaded on the fixed frame (A), the first return spring (11) is sleeved on the first pedal shaft (12), and the first return spring (11) is located on In the first placement slot (A1) at the end of the fixed frame (A), one end of the first return spring (11) is inserted on the first pedal shaft (12), and the end of the first return spring (11) The other end is inserted on the groove wall of the first placement groove (A1), and the first return spring (11) drives the first pedal shaft (12) to rotate upwards, and then drives the shaft fixed on the first pedal shaft (12) ) on the pedal (B) is retracted and returned; the first pedal shaft (12) inside the first placement groove (A1) is sleeved and fixed on the first damping gear (13), and the first damping gear ( 13) Mesh with the second damping gear (14), the second damping gear (14) is pivotally connected to the groove wall of the first placement groove (A1), the diameter of the first damping gear (13) is larger than the second damping gear the diameter of the gear (14); The multi-level adjustment locking mechanism (2) is composed of the second pedal shaft (21), the lock wheel (22), the bracket (23), the left lock bolt (24), the left return spring (25), the left Pin shaft (26), right lock bolt (27), right return spring (28), right pin shaft (29), shift block (30), shift lever (31), second return spring (32), pin shaft (33) and lever (35), the second pedal shaft (21) is installed on the fixed frame (A), the lock wheel (22), the bracket (23), the left lock bolt (24), the left Return spring (25), left pin shaft (26), right lock bolt (27), right return spring (28), right pin shaft (29), shift block (30), shift lever (31), second The return spring (32), the pin shaft (33) and the trigger rod (35) are located in the second placement groove (A2), and the second pedal shaft (21) is located inside the second placement groove (A2). The pedal (B) is fixedly connected, and the second pedal shaft (21) in the second placement groove (A2) is threaded to fix the lock wheel (22), and the lock wheel (22) has an arc-shaped lock plate (221) , the two sides of the arc-shaped lock plate (221) are provided with wedge-shaped lock grooves (222), the left lock bolt (24) and the right lock bolt (27) are respectively arranged on both sides of the lock wheel (22), and the left lock bolt (24) There is a left bearing pin (26) in the outside of the right locking bolt (27), and a right bearing pin (29) is arranged in the outside of the right locking bolt (27), and the left bearing pin (26) and the right bearing pin (29) are movably worn on the support (23), and the left The left return spring (25) is sleeved on the pin shaft (26), the right return spring (28) is sleeved on the right pin shaft (29), and the left lock bolt (24) is under the action of the left return spring (25) Inserted in the wedge-shaped lock groove (222) of the arc lock plate (221) of the lock wheel (22), the right lock bolt (27) is inserted in the arc of the lock wheel (22) under the action of the right return spring (28). In the wedge-shaped lock groove (222) of the shape lock plate (221), the lock wheel (22) does not rotate, and then locks the second pedal shaft (21) and the pedal (B) from rotating; the left lock bolt (24 ) and the top of the right lock bolt (27) has a wedge-shaped opening (34), the lever (31) is pivotally connected to the bracket (23) through the pin shaft (33), and the pin shaft (33) is sleeved with the second round Position spring (32), one end of the second return spring (32) is inserted on the groove wall of the second placement groove (A2), and the other end of the second return spring (32) is inserted in the lever (31 ), the lower part of the shift lever (31) is extended with a shift block (30), the shift block (30) is located at the position of the wedge-shaped opening (34) of the left lock bolt (24) and the right lock bolt (27), and the pull lever (35 ) is fixed on the upper part of the lever (31).