KR200161785Y1 - Angle control device of seat back for an automobile - Google Patents

Abstract

The present invention relates to a backrest angle adjusting mechanism of a passenger car seat that makes it easy to operate the backrest angle adjusting mechanism of a passenger car, and is connected to the central axis to adjust the angle between the seat cushion and the backrest. In the backrest angle adjustment mechanism of the passenger car seat provided between the cushion and the backrest, the disk-shaped forward member 20 and the reverse member 30 connected to the central axis are installed in surface contact with each other in parallel, and the forward member 20 And a forward gear 21 and a reverse gear 31 elastically protruding in opposite directions along the outer periphery of the reverse member 30, respectively, and are formed in the forward member 20 and the reverse member 30. At the outer circumference of the circular member 20 having a width substantially similar to the width of the forward member 20 and the reverse direction member 30 is fitted, the inner circumference of the outer member 21 Therefore, the gear 13 which is selectively fitted to the forward gear 21 and the reverse gear 31 is repeatedly formed, and a handle which is convenient for the seated person is provided to quickly adjust the angle of the backrest without incurring a large force. There is a useful effect that can be done.

Description

Backrest angle adjustment mechanism of passenger car seat

The present invention relates to a backrest angle adjustment mechanism of a passenger car seat, and more particularly, to a backrest angle adjustment mechanism of a passenger car seat which makes it easy to operate the backrest angle adjustment mechanism of the front seat of a passenger car.

In general, a recliner device (an angle adjusting device) is installed on the back of a car seat so that the fixing position thereof can be changed according to the convenience of the seated person.

The recliner device is introduced in the lever type and the dial type, the lever type is formed in a fan shape to be engaged with the gear fixed to the shaft of the seat back (backrest), the lever-type gear fixed to the cushion is engaged or disengaged. It is configured to adjust the angle of the backrest, and the dial type is composed of the inner gear and the outer gear formed with different teeth, the outer gear installed in the seat back is rotated by rotating the inner gear fixed to the cushion to adjust the angle of the seat back It is configured to be.

Among such angle adjusting devices, a dial type angle adjusting device is shown in FIGS. 1 and 2.

As shown in FIG. 1, when the passenger sitting on the cushion 2 adjusts the angle of the backrest 1, the knob of the adjustment mechanism 3 provided between the cushion 2 and the backrest 1 When 3-3) is rotated in a clockwise or counterclockwise direction, as shown in FIG. 2, the inner gear 3 engaged with the knob 3-3 and eccentrically arranged on the cushion 2 is shown. Rotation of the outer gear 3-1 fixed to the backrest 1 while the -2) rotates allows the angle of the backrest 1 coupled to the outer gear 3-1 to be adjusted.

That is, when the inner gear 3-2 rotatably arranged on the cushion 2 is rotated, the backrest 1 rotatably installed on the cushion 2 meshes with the inner gear 3-2 to rotate. The angle could be changed by the outer gear 3-1.

However, since the backrest control device of the above structure requires a lot of force to rotate the knob 3-3 while the passenger leans against the backrest 1, the fingers and wrists of the passengers are easily fatigued. There was a problem such as, and by rotating the knob (3-3) until the backrest 1 is flipped at a desired angle, it was difficult to quickly adjust the angle of the backrest (1).

The present invention has been made in view of the above-described problems, and the object of the present invention is to provide a handle that is convenient for the seated occupant to adjust the angle of the backrest of the passenger seat without the need for a large force. To provide.

1 is a perspective view of a seat provided with an angle adjustment mechanism according to the prior art.

Figure 2 is a side view showing the operating state of the angle adjustment mechanism according to the prior art.

Figure 3 is an exploded perspective view showing a backrest angle adjustment mechanism according to the present invention.

Figure 4 is an enlarged cross-sectional view showing a state in which the forward gear of the backrest angle adjustment mechanism shown in FIG.

5 is an exploded perspective view showing the forward gear of the backrest angle adjustment mechanism shown in FIG.

6 is a perspective view showing a state in which the backrest angle adjustment mechanism shown in FIG.

7 is a view showing the operating state of the backrest angle adjuster according to the present invention, 7a is a front sectional view showing a state in which the forward member and the outer member is engaged, 7b is a side showing the state that the backrest is folded back. Cross-section.

8 is a view showing the operating state of the backrest angle adjuster according to the present invention, 8a is a front sectional view showing a state in which the reverse member and the outer member is engaged, 8b is a side showing the state that the backrest is folded forward. Cross-section.

* Explanation of symbols for main parts of the drawings

1: backrest 2: cushion

3: backrest adjustment mechanism 11: handle

12: outer member 13: gear

20: forward member 21: forward gear

22: elastic means 25: flange

30: reverse deflection member 31: reverse gear

In order to achieve the above object, the backrest angle adjustment mechanism of the passenger car seat according to the present invention is connected to the central axis to adjust the backrest angle of the passenger car seat installed between the cushion and the backrest so as to adjust the angle between the seat cushion and the backrest. In the mechanism, the disk-shaped forward member 20 and the reverse member 30 which are connected to the central axis are installed in surface contact with each other side by side, and are mutually along the outer periphery of the forward member 20 and the reverse member 30. A forward gear 21 and a reverse gear 31 which are elastically protruding toward the opposite direction are formed, respectively, and the forward member 20 and the reverse member are formed at the outer periphery of the forward member 20 and the reverse member 30. A circular outer member 12 having a width corresponding to the width of 30 is fitted, and along the inner circumference of the outer member 21 is connected to the forward gear 21 and the reverse gear 31. Typically the fitting is fixed to gear 13, which is formed repeatedly, the outer peripheral edge is to provide a back angle adjustment mechanism of the car seat, characterized in that the handle (11) projecting form.

Hereinafter, a preferred embodiment of the backrest angle adjustment mechanism of a passenger car seat according to the present invention will be described in detail with reference to FIGS. 3 to 6 in the accompanying drawings. Hereinafter, reference numeral 220 denotes an inner gear provided with a gear tooth and arranged on the cushion 2, and 230 denotes a central axis configured to accumulate the inner gear 220 on the cushion 2, and 110 denotes a backrest. It is an outer gear fixed to (1) and formed so that the inner gear 220 is inscribed.

As shown in FIG. 3 and FIG. 4, the present invention has an inner gear 220 installed so as to be eccentrically by the central axis 230 on one side of the cushion 2, and the inner gear 220 is meshed so that the inner gear 220 is inscribed. And applied to a dial type angle adjusting device consisting of an outer gear 110 is fixed to the backrest (1), such a dial type angle adjusting device is a knob coupled to the inner gear 220 as is known By rotating it is configured to change the angle of the backrest (1).

The outer member 12 has a handle 11 protruding to one side of the outer circumferential surface, the gear 13 is formed on the inner circumferential surface, the length of the handle 11 is about 10 cm to provide convenience in operation It was made.

The forward member 20 is coupled to the central axis 220 to rotate the inner gear 220, the outer peripheral surface has a structure in which a plurality of forward gear 21 is installed.

As shown in FIGS. 4 and 5, the forward gear 21 has flanges 25 formed on both sides thereof, one side of which is inclined, and the other side of which is formed at right angles. A groove is formed in the outer circumferential surface of the forward member 20 in which the forward gear 21 is installed, and the forward gear 21 is installed to be elastically received by elastic means 22 such as an expansion spring. It is. Therefore, when the mountain portion of the forward gear 21 receives an external force, the forward gear 21 is inserted into the groove, and when the external force is removed, the forward gear 21 protrudes from the groove by the elastic means 22.

The reverse member 30 is coupled to the central axis 220 like the forward member 20 to rotate the inner gear 220, and has a structure in which a plurality of reverse gears 31 are installed on the outer circumferential surface thereof. .

Although not shown in detail in the drawing, the reverse gear 31 has the same structure as the forward gear 21 shown in FIGS. 4 and 5.

That is, the right side portion of the reverse gear 31 of the reverse member 30 is formed at an acute angle, and the left side portion is formed at an almost right angle, and its shape and installation structure are the same as those of the forward gear 21. Do. However, the installation directions are different from each other.

Referring to the coupling relationship of the present invention configured as described above are as follows.

First, the forward member 20 in which the forward gear 21 is installed is fixedly installed on the central shaft 230 formed to rotate the inner gear 220, and then the reverse member 30 is fixed to the forward member 20. ) Is fixedly installed on the central axis 230 to be in surface contact. At this time, the direction of the forward gear 21 and the reverse gear 31 is provided on the forward member 20 and the reverse member 30 so as to face in the opposite direction to each other.

That is, when the forward member 20 or the reverse member 30 is rotated, the forward member 20 and the reverse member 30 are rotated such that the central axis 230 rotates so that the inner gear 220 rotates. It is fixed to the central axis 230.

As described above, the outer member 12 is attached to the central shaft 230 with the forward member 20 and the reverse member 30 having the forward gear 21 and the reverse gear 31 fixed thereto. The outer member 12 is coupled to the reverse member 30 and the forward member 20 so that the gear 13 formed on the inner circumferential surface of the outer member 12 and the forward gear 21 or the reverse gear 31 mesh with each other. ) By sliding in the axial direction. That is, the outer member 12 is coupled to the forward member 20 and the reverse member 30 to be movable in the axial direction.

When the outer member 12 is slid and coupled to the forward member 20 and the reverse member 30, the outer member 12 can be moved by sliding from the forward member 20 to the reverse member 30, On the contrary, it can be moved by sliding from the reverse member 30 to the forward member 20. That is, the outer member 12 may be selectively coupled to the forward member 20 or the reverse member 30.

In addition, when the outer member 12 is rotated in the forward direction (clockwise) in the state in which the outer member 12 is coupled to the reverse member 30, the gear 13 of the outer member 12 is reversed gear ( 31 by pressing the mountain portion, the rotation of the reverse member 30 does not occur, on the contrary reverse the outer member 12 in the state in which the outer member 12 is coupled to the forward member 20 (counterclockwise) Direction), the gear 13 of the outer member 12 presses the mountain portion of the forward gear 21, so that the rotation of the forward member 20 does not occur.

In this case, the outer member 12 coupled to the forward member 20 and the reverse member 30 is separated from the central axis 230 to prevent the outer member 12 from being separated from the forward member 20 and the reverse member 30. Prevention member can be installed.

The operation of the present invention, which is configured and coupled as described above, will be described in detail with reference to FIGS. 7A, 7B, 8A, and 8B in the accompanying drawings.

In order for the user to flip the backrest 1 back, as shown in FIG. 7A, the user may grasp the handle 11 formed on the outer member 12 and slide the outer member 12 to one side so that the gear 13 is in the forward direction. After being engaged with the forward gear 21 of the member 20, when the handle 11 of the outer member 12 is rotated in the forward direction (clockwise), the forward gear 21 is connected to the gear 13. The forward member 20 is rotated clockwise to rotate the central axis 230.

When the central shaft 230 is rotated by the forward member 20, as shown in FIG. 7B, the inner gear 220 built into the cushion 2 is fixed to the backrest 1 and the outer side thereof. By rotating the gear 110 in a clockwise direction, the backrest 1 can be flipped backward.

In this state, in order to rotate the backrest 1 to the front side, as illustrated in FIG. 8A, the outer member 12, which has been coupled to the forward member 20, is slid toward the reverse member 30, and the gear ( 13 is engaged with the reverse gear 31.

When the outer member 12 is coupled to the reverse member 30, by holding the handle 11 of the outer member 12 to rotate the outer member 12 in the reverse direction (counterclockwise), the reverse member 30 ) Rotate counterclockwise. In this case, since the reverse gear 31 is caught by the gear 13 of the outer member 12, the reverse member 30 may be rotated counterclockwise.

When the reverse member 30 is rotated counterclockwise, the central axis 230 to which the reverse member 30 is coupled is rotated counterclockwise, and thus the inner gear 220 is shown in FIG. 8B. As described above, the outer gear 110 is rotated counterclockwise while being rotated counterclockwise.

As such, the inner gear 220 rotates the outer gear 110 in a counterclockwise direction so that the backrest 1 on which the outer gear 110 is fixed is forward, that is, counterclockwise about the central axis 230. Is rotated in the direction to adjust the angle.

As described above, the inner member 220 is selectively coupled to the forward member 20 or the reverse member 30 and a handle 11 protruding from the outer member 12 is mounted. By rotating it clockwise or counterclockwise, it is possible to easily adjust the angle of the backrest (1).

As described above, according to the backrest angle adjustment mechanism of the passenger car seat according to the present invention, a handle that is convenient for a seated person is provided, and thus, the backrest can be quickly adjusted without requiring great force.

Claims (1)

In the backrest angle adjustment mechanism of the passenger car seat installed between the cushion and the backrest is connected to the central axis to adjust the angle between the cushion and the backrest of the seat, the disk-shaped forward member 20 connected to the central axis and The reverse member 30 is installed in parallel with the surface contact side by side, and the forward gear 21 and the reverse gear that are elastically protruded in opposite directions along the outer circumference of the forward member 20 and the reverse member 30 ( 31 is formed, respectively, and the circular outer member 12 having a width corresponding to the width of the radial member 20 and the reverse member 30 on the outer periphery of the forward member 20 and the reverse member 30, respectively. ) Is fitted, the gear 13 which is selectively fitted to the forward gear 21 and the reverse gear 31 is repeatedly formed along the inner circumference of the outer member 21 and the handle 11 on the outer circumference. That is formed to protrude A backrest angle adjustment mechanism for a passenger car seat.