KR200268999Y1 - A mounting structure of leg-rest in the back of frontseat for automobile - Google Patents

Abstract

The leg restraint structure on the rear of the front seat of a car, wherein when the rear seat passenger operates the actuating lever only once, the leg is mounted on the rear of the front seat of the car so that the height of the leg rest is automatically adjusted according to the taste of the passenger. It is to provide a structure for mounting the rest.

Description

A mounting structure of leg-rest in the back of frontseat for automobile}

The present invention relates to a leg rest mounting structure at the rear of a car front seat, and more particularly, the leg rest mounted at the rear of the front seat can be conveniently placed at a height suitable for the passenger's taste so that passengers who ride in the rear seat can put their feet up. To a leg restraint structure that can be adjusted.

Typically, a luxury car model is provided with a leg rest 12 to allow the rear seat passengers to put their feet on the back of the front seat 10 to provide comfort for the rear seat passenger as shown in FIG. 1. It is.

Here, with reference to the accompanying Figures 3a and 3b and 5a and 5b will be described the mounting structure of the conventional leg rest as follows.

The legrest 12 is partially cut in the backrest of the front seat 10 and is mounted in a rotatable structure to the cut-out portion, the lower end of the rotating shaft 22 is provided as a central axis during rotation.

That is, the lower end of the leg rest 12 has a rotary shaft 22 located side by side in the width direction of the seat, both ends of the rotary shaft 22 are disposed on both sides of the lower side of the leg rest 12, respectively It is supported by two fixing brackets 32, the outer side of the fixing bracket 32 is fixed to the rotating shaft 22 while being inserted into both sides of the inner side of the leg rest 12, the rotation support bar 14 The lower end portion of the rotation support bar 14 serves to support the legrest 12, the fixing bracket 32 serves to intercept the movement of the legrest 12, At this time, the rotation support bar 14 is provided with two to be able to support both sides of the leg rest 12 in a balanced manner.

Therefore, the leg rest 12 is rotated from the rear surface of the front seat 10 to the use position in accordance with the rotation operation of the rotation support bar 14, such a conventional leg rest operation state will be described in detail as follows. same.

Inside the fixing bracket 32 is a sector gear 16b having three 'U'-shaped grooves 46 at regular intervals and inserted and fixed to the rotating shaft 22.

In addition, the lock gear 20b having the insertion end 40b formed at the lower end and the projection 38 formed at one side thereof is rotatably supported by the inner side of the fixing bracket 32 on the side adjacent to the sector gear 16b. Is mounted, the projection 38 of the lock gear 20b is projected outward through the guide groove 50 formed in the fixing bracket 32 to be able to hang the spring 24 there.

In addition, the rotating link 28 having the slot groove 30 is inserted into the fixing bracket 32 so that the projection 38 of the lock gear 20b protruding outward while penetrating the guide groove 50 of the fixing bracket 32 is fixed. It is rotatably mounted on the outer surface of (32).

One end of the spring 24 is fixed to the protrusion 38 of the lock gear 20b protruding while being inserted into the slot groove 30 of the pivot link 28, and the other end of the spring 24 is fixed to the protrusion 38. It is fixed to the bottom surface of the bracket (32).

In addition, the pivot link 28 is connected to the operation lever 26 mounted on the side of the front seat 10 through a clip lever (not shown) mounted at the bottom.

Referring to the operating state of the conventional leg rest consisting of a mounting structure as described above are as follows.

When the operation lever 26 mounted on the side of the front seat 10 is rotated, the rotation link 28 is rotated by the linkage of the clip lever connected to the operation lever 26. At this time, the rotation link The force pulled while the projection 38 of the lock gear 20b inserted into the slot groove 30 is caught by one end of the slot groove 30 while the slot groove 30 of the rotation link is moved by the rotation of the 28. Will receive.

Accordingly, the lock gear 20b is rotated while the protrusion 38 of the lock gear 20b is pulled, and at the same time, the spring 24 having one end fixed to the protrusion 38 also increases.

At this time, the insertion end 40b formed at the lower end of the lock gear 20b is released from the groove 46 of the sector gear 16b due to the rotation of the lock gear 20b.

As the insertion end 40b of the lock gear 20b is pulled out, the sector gear 16b is in a state capable of freely rotating about the rotation shaft 22.

Accordingly, the user can adjust the height of the leg rest 12 while squeezing the leg rest 12 to the rear, and the leg rest 12 can be rotated to the rear with the rotation support bar (14) At the same time, the sector gear 16b and the rotating shaft 22 can also be rotated backwards.

That is, by selecting the height according to taste while rotating the legrest 12, the insertion end 40b of the lock gear 20b is inserted into one of the three grooves 46 of the sector gear 16b. As the sector gear 16b is fixed, the adjusted height of the legrest 12 can be maintained.

In other words, when the operating lever 26 held in the retracted state is left as it is at one of the three grooves 46 of the sector gear 16b corresponding to the height desired, the lock gear 20b is inserted. The end 40b is inserted into one of the three grooves 46 by the restoring force of the spring 24 to fix the sector gear 16b.

Therefore, as the rotation shaft 22 is not rotated at the same time as the sector gear 16b is fixed, the legrest 12 is also fixed at a height that can be used.

However, such a conventional leg rest is inconvenient when the rear seat passenger wants to use it, because the maneuvering lever of the leg rests with one hand every time the leg rest is rotated to a desired position. At the same time, there is an inconvenience in that the other hand needs to adjust the height while holding and restoring the restraint.

Therefore, the present invention has been devised to solve the above inconveniences, and if the rear seat passenger only operates the operating lever once to release only the initial locking state of the leg rest, thereafter, without the operation lever of the operating lever, Accordingly, the object of the present invention is to provide a mounting structure of the leg rest on the rear of the front seat of the vehicle, which enables the height of the leg rest to be adjusted.

1 is a schematic view showing a state in which a leg rest is mounted on the rear of a car front seat;

Figure 2a, 2b is a side view showing a state before operation of the leg rest mounted to the rear of the vehicle front seat according to the present invention,

Figure 3a, 3b is a side view showing a state before the operation of the leg rest mounted on the rear of the front seat for a conventional vehicle. Figures 4a, 4b shows a state after the operation of the leg rest mounted on the back of a vehicle front seat according to the present invention Side view, Figure 5a, 5b is a side view showing a state after the operation of the leg rest mounted to the rear of the front seat for a conventional vehicle,

<Explanation of symbols for main parts of the drawings>

10: Front seat 12: Leg rest

14: Rotating Jib 16a, 16b: Sector Gear

18: Plate 20a, 20b: Lock gear

22: rotating shaft 24: spring

26: operating lever 28: rotary link

30: slot groove 32: fixed bracket

34: tooth groove 36: fixed groove

38: protrusion 40: insertion end

44: Extrude 46

48: Rotation limit home 50: Guide home

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The present invention is a fixed bracket 32 which is installed on both sides of the lower side of the leg rest 12 mounted to the backrest of the vehicle front seat 10 and both ends of the rotating shaft 22 is inserted and supported, and the fixing bracket 32 of Adjacent to the outer surface at the same time the upper end is inserted into both sides of the interior of the leg rest 12 and the lower end is mounted on the leg rest mounting structure of the rear of the front seat for a vehicle including a rotation support bar 14 is fixed to the rotating shaft 22 In this case, a side gear 16a having a plurality of tooth grooves 34 and a fixed groove 36 and a plate 18 having a rotational limit groove 48 are arranged side by side with the inner surface of the fixing bracket 32. It is inserted into and fixed to the rotary shaft 22, and has a projection 38 through the guide groove 50 formed in the fixing bracket 32 on the opposite side to which the rotary shaft 22 is inserted and at the same time of the sector gear 16a It has an insertion end 40a inserted into the tooth groove 34 and the fixing groove 36. The lock gear 20a is rotatably mounted on the inner surface of the fixing bracket 32, and the projection 38 of the lock gear 20a that exits through the guide groove 50 of the fixing bracket 32 is Rotating link 28 having a slot groove 30 is inserted into the outer surface of the fixing bracket 32 to be rotatable, and the guide groove 50 and the rotating link 28 of the fixing bracket 32 It is made by fixing one end of the spring 24 to the projection 38 of the lock gear 20a, which has passed through the slot groove 30, and the other end of the spring 24 to the fixing bracket 32. It is characterized by.

In particular, the sector gear (16a) is characterized in that the protruding end 22 is formed so that it can be inserted into the rotation limit groove 48 formed in the plate (18).

In addition, the insertion end 40a formed at the lower end of the lock gear 20a is formed in a tooth shape having two stages so as to be engaged with the tooth groove 34 of the sector gear 16a.

In addition, the insertion end 40a of the lock gear 20a and the tooth groove 34 of the sector gear 16a that are engaged with each other are formed to be inclined diagonally so that the slide contact is possible.

Here, it will be described in detail with reference to Figs. 2a and 2b and Figs. 4a and 4b attached to the leg rest mounting structure of the vehicle front seat rear according to the present invention.

In FIGS. 2A and 2B and FIGS. 4A and 4B, reference numeral 22 is a rotation shaft of the leg rest, 14 is a rotation support bar having a lower end fixed to the rotation axis and connected to an upper end of the leg rest, and 32 is an inner side of the rotation support bar. It is a fixed bracket that supports both ends of the rotating shaft while being positioned.

More specifically, the rotating shaft 22 is mounted while penetrating the inside of the lower end of the legrest 12 in the sheet width direction, and both ends of the rotating shaft 22 are supported while passing through both fixing brackets 32. It extends and is supported by a rotatable structure on both lower sides of the cutout portion of the front seat 10.

At this time, the lower end of the rotation support bar 14, the intermediate portion is bent in a step shape is fixed to both sides of the rotary shaft 22, the inside of the rotation support bar 14, the fixed bracket (rotating shaft 22 is inserted) 32) the outer surface is located.

Here, the inside of the fixing bracket 32 is inserted into the sector gear 16a is inserted into the rotation shaft 22, the sector gear 16a is formed with a plurality of tooth-shaped tooth grooves 34 on the outer peripheral surface of the bottom. In addition, the fixing groove 36 is formed in the front side slightly away from the tooth groove 34.

In addition, a projecting end 44 is formed between a predetermined position of the lower end of the sector gear 16a, for example, a portion fitted to the rotary shaft 22 and a lower end with the tooth groove 34, and the projecting end 44 A plate 18 having a rotational limit groove 48 into which is inserted is inserted into and mounted on the rotating shaft 22 in parallel with the sector gear 16a.

In addition, the rotation shaft 22 is inserted and supported on one side of the fixing bracket 32, and the lock gear 20a is rotatably mounted on the inner surface of the middle portion of the fixing bracket 32.

The lock gear 20a is provided with a protrusion 38 toward the rear of the upper end, and has a lower tooth in the second stage that can be inserted into the tooth groove 34 and the fixing groove 36 of the sector gear 16a, respectively. Inserted end 40a is formed.

In addition, one side of the fixing bracket 32, for example, immediately next to the position where the lock gear 20a is mounted, is formed with a guide groove 50 having a substantially longitudinal rectangular shape, the guide groove 50 ), The projection 38 of the lock gear 20a is inserted.

Here, the rotational link 28 is rotatably mounted on the outer surface of the fixing bracket 32, the lock link (protruding through the guide groove 50 of the fixing bracket 32) The slot groove 30 is formed to allow the projection 38 of 20a to be inserted therein.

A clip lever is mounted at a lower end of the pivot link 28, and the clip lever is connected to an actuating lever 26 installed on a side of the front seat 10 to control the operation force of the actuating lever 26. ) Can be delivered.

On the other hand, one end of the spring 24 is connected to the projection 38 of the lock gear 20a, which penetrates the slot groove 30 of the pivot link 28, and the other end of the spring 24 is fixed. The lower portion of the bracket 32 is fixed.

When described with reference to Figures 2a and 2b and 4a and 4b attached to the operating state of the present invention configured as described above.

First, when the user flips the operating lever 26 mounted on the side of the front seat 10, the leg rest 12 in the storage position on the rear side of the front seat 10 rotates by almost 90 ° and the legs It becomes a horizontal position so that it can be placed, and this operation state is described in detail as follows.

The clip lever is pulled in conjunction with the operation of the operation lever 26, and at the same time, the pivot link 28 rotates upward.

At the same time as the rotation link 28 rotates, the slot groove 30 formed in the rotation link 28 also rotates, and thus the projection 38 of the lock gear 20a inserted into the slot groove 30 is rotated. At the end of the slot groove 30 is pulled to rotate with the rotating link 28. At this time, the projection 38 of the lock gear 20a is rotated in the guide groove 50 of the fixing bracket 32 Will be

Subsequently, when the lock gear 20a is rotated while the protrusion 38 of the lock gear 20a is pulled to the right side of the drawing, the lock gear inserted into the fixing groove 36 of the sector gear 16a is rotated. The insertion end 40a of the 20a comes out of the fixing groove 36.

Therefore, the sector gear 16a is in a state capable of freely rotating about the rotation shaft 22, and in this state, when the user flips the legrest 12 backward, the support bar rotates with the legrest 12. 14 can be rotated together with the rotating shaft 22 and the sector gear 16a.

Here, since the leg rest 12 and the rotation support bar 14, the sector gear 16a and the rotation shaft 22 are integrally moved, each rotation angle is the same.

Accordingly, the leg rest 12, which is in the storage position at the rear of the front seat 10, can be rotated to the rear by about 90 ° to be unfolded, and at the same time as the rear rotation of the leg rest 12, the sector gear 16a. Tooth groove 34 of the () is to face forward.

More specifically, at the moment, the end of the teeth 34 of the plurality of teeth 34 in the sector gear 16a coincides with the insertion end 40a of the lock gear 20a. When the operation lever 26 is placed in the insertion groove 40a, the insertion end 40a of the lock gear 20a is inserted into the tooth groove 34 at the end thereof to fix the sector gear 16a.

On the other hand, the insertion end 40a engaged with the most end of the sector gear 16a is formed in two stages of tooth shape, such as the shape of the tooth groove 34, so that the tooth groove 34 of the sector gear 16a is formed. ) Is a diagonally inclined shape, and the insertion end 40a to be inserted therein is also obliquely inclined.

Here, when you want to adjust the height of the legrest 12 in a horizontal state of about 90 degrees as described above more appropriately, if the legrest 12 is raised upward with a little force using the legs, etc. The height of the legrest 12 is automatically increased because of the following.

The insertion end 40a of the lock gear 20a and the tooth groove 34 of the sector gear 16a are inclined to be inclined with each other, and the legrest 12 is used by a user using a leg. As the legrest 12 rotates upward with a slight force, the sector gear 16a also rotates at the same angle.

Therefore, since the toothed groove 34 at the bottom of the rotating sector gear 16a presses the insertion end 40a of the lock gear 20a inserted therein, the bottom of the sector gear 16a The insertion end 40a of the lock gear 20a slides out from the tooth groove 34.

Therefore, when the user stops the legrest 12 at the desired position, the insertion end 40a of the lock gear 20a is the tooth of the sector gear 16a corresponding to the next compartment by the restoring force of the spring 24. Since it is reinserted into the groove 34, it is possible to fix the legrest 12 to the desired height.

As such, when the rear seat passenger uses the legrest 12 and the operating lever 26 is operated only once to release the initial locking state, the height of the legrest 12 may be increased even without operating the operating lever 26 separately. It can be easily adjusted and used.

As described above, the leg rest mounting structure of the front seat of the vehicle according to the present invention can adjust the height of the leg rest by manipulating the operation lever mounted on the side of the front seat by the rear seat passenger, so that the use of the leg rest There is an advantage that can be associated with the convenience.

Claims (3)

Fixing brackets 32 which are respectively installed on both sides of the bottom of the legrest 12 mounted to the backrest of the vehicle front seat 10 and both ends of the rotating shaft 22 are inserted and supported, and on the outer surface of the fixing bracket 32. In the leg rest mounting structure of the rear of the front seat for the vehicle at the same time the upper end is inserted and connected to both sides of the interior of the leg rest 12 and the lower end is inserted into the rotating shaft 22 fixed to, The rotating shaft side by side adjacent to the inner surface of the fixing bracket 32 and the plate (18) having a sector gear (16a) having a plurality of tooth grooves 34 and the fixing groove 36 and the rotation limit groove 48 side by side ( And a projection 38 penetrating the guide groove 50 formed in the fixing bracket 32 on the opposite side to which the rotary shaft 22 is inserted, and at the same time the tooth groove of the sector gear 16a. A lock gear 20a having an insertion end 40a inserted into the fixing groove 36 is rotatably mounted on an inner surface of the fixing bracket 32, and the guide groove of the fixing bracket 32 is rotated. Rotating link 28 having a slot groove 30 into which the projection 38 of the lock gear 20a is inserted while penetrating 50 is rotatably mounted on the outer surface of the fixing bracket 32, The spring 24 is formed on the projection 38 of the lock gear 20a which passes through the guide groove 50 of the fixing bracket 32 and the slot groove 30 of the rotational link 28. At the same time as fixing the one end and the other end of the spring 24, the leg rest mounting structure of the back of the front seat for the vehicle, characterized in that made by fixing to the fixing bracket (32). 2. The leg rest mounting as claimed in claim 1, wherein a protruding end 44 is formed in the sector gear 16a to be inserted into the pivot limit groove 48 formed in the plate 18. rescue. The method of claim 1, wherein the insertion end (40a) formed at the lower end of the lock gear (20a) is formed in a sawtooth shape of two stages is meshed with the toothed groove 34 of the sector gear (16a). Leg rest mounting structure of front seat for car.