KR100903456B1 - Buckle device of baby car seat - Google Patents

Abstract

According to the present invention, when a pair of tongue plates are inserted all at the same time, the locking of the buckle is made, and if only one is inserted, the buckle for the infant car seat which induces the fastening not to be made significantly improves the wearing safety of the seat belt. It is for providing a device. Specific means of the present invention for achieving the above object, in the buckle device for infant car seat for fastening a pair of tongue plate, having a belt connection hole at one end and a tongue plate insertion hole at the other end is attached to the case With buckle body; A latch rotatably installed at one end of the buckle body, the latch having a latching piece for engaging and fixing the tongue plate inserted through the tongue plate insertion hole; A latch spring for applying a rotational force to the latch to induce a locking engagement between the locking piece and the tongue plate; A pair of sliders which are opposed to the buckle body and are arranged to be slidably movable and which are pushed in a direction to release and release the pair of tongue plates engaged with the latches; One end is hinged to the buckle body and the other end is installed to be rotatable return contact with the latch, it characterized in that it comprises a button for releasing the locking engagement between the tongue plate and the latch by rotating the latch.

Car seat, buckle, infant, seat belt, tongue plate, latch

Description

Buckle device for baby car seat {Buckle device of baby car seat}

The present invention relates to a buckle device used to fasten a seat belt provided in a baby car seat, and in particular, a pair of tongue plates provided on both shoulder straps must be inserted at the same time to lock the buckle, and only one When inserted, it relates to a buckle device for an infant car seat that greatly improves the safety of use by preventing locking.

The infant car seat is provided with a buckle device for fixing the shoulder strap. A conventional buckle device is shown in FIG. In the buckle device 10 shown in FIG. 11, two tongue plates 11 and 12 are engaged with stoppers 14 and 15 supported by the first compression springs 13, respectively, and the buttons (not shown) are operated. When the stoppers 14 and 5 are opened, the tongue plates 11 and 12 are released from the catches of the stoppers 14 and 15 and the tongue plates 11 and 12 are pushed by the pushers 17 supported by the second compression spring 16 at the same time. The departure of 12) is to be made.

The conventional buckle device 10 configured as described above has the following problems.

The locking fastening is made even when one of the tongue plates 11 or 12 is inserted. Therefore, if the child is wearing a seat belt by fastening only one side of the car collision occurs, the child's body is rotated and is in great danger.

The reason for this is that even if any one of the tongue plates 11 is inserted, the pusher 17 is pushed in the opposite direction (upper direction) so that the tongue plate 11 is pushed in the opposite direction so that the stopper 14 can be locked. This is because it keeps it intact.

To prevent this risk, automotive regulations in developed countries (e.g. Europe) require mandatory locking only when a pair of tongue plates are inserted at the same time, and other countries are also enacting tank legislation.

Therefore, the present invention was created in view of the above circumstances, and the locking of the buckle is achieved only when both pairs of tongue plates are inserted at the same time. It is an object of the present invention to provide a buckle device for an infant car seat that greatly improves the wearing safety of the belt.

Specific means of the present invention for achieving the above object,

In the buckle device for infant car seat for fastening a pair of tongue plate,

A buckle body having a belt connection hole at one end and a tongue plate insertion hole at the other end and mounted to the case;

A latch rotatably installed at one end of the buckle body, the latch having a latching piece for engaging and fixing the tongue plate inserted through the tongue plate insertion hole;

A latch spring for applying a rotational force to the latch to induce a locking engagement between the locking piece and the tongue plate;

A pair of sliders which are opposed to the buckle body and arranged to be slidably movable and which are pushed in a direction to release and release the pair of tongue plates engaged with the latches;

One end is hinged to the buckle body and the other end is installed to be rotatable return contact with the latch, it characterized in that it comprises a button for releasing the locking engagement between the tongue plate and the latch by rotating the latch.

Also according to the invention,

Each of the sliders is formed with an inclined surface for pushing the tongue plate in the opposite direction to the insertion.

Also according to the invention,

The slider may be slidably installed in a direction perpendicular to an insertion direction of the pair of tongue plates.

Also according to the invention,

The buckle body is characterized in that the hinge groove for fitting the latch is rotatably provided.

Also according to the invention,

The pair of sliders are each characterized in that it is installed to receive elastic support by the compression spring.

Also according to the invention,

The button is characterized in that the rotation can be restored by the support piece extending from the hinge end.

According to the buckle device for the infant car seat of the present invention, when only one of the two tongue plate is inserted into the buckle body, the slider is pushed toward the non-insertion to release the lock and then pushed upward to prevent the locking fastening.

On the other hand, when two tongue plates are inserted into the buckle body at the same time, the lock is not released unless the lock is locked to the latch.

Therefore, according to the buckle device for an infant car seat of the present invention, if you want to fasten only one by mistake or arbitrarily, it is possible to prevent the tongue plate is protruded and worn incorrectly so that the fastening is not made within a short time.

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

1 is an assembled state diagram of the buckle device for infant car seat according to the present invention, Figures 2 to 5 is an assembled cross-sectional view of one side of the buckle device for infant car seat according to the present invention is an operation state diagram according to the assembly position of the tongue plate, Figure 6 Is an unlocking state diagram that appears when you want to fasten only one tongue plate in the buckle device for infant car seat according to the present invention.

As illustrated in FIG. 1, reference numerals 11 and 12 denote 'tung plates' respectively connected to two shoulder straps 1 and 2 provided in the infant car seat. Accordingly, the tongue plates 11 and 12 have holes 11b and 12b for connecting the shoulder straps 1 and 2.

The tongue plates 11 and 12 are inserted into the buckle body 20 and fastened to the latch 30 as shown in FIG. 4, and the latch 30 is fastened to the tongue plates 11 and 12 by the button 60. Is supposed to be released.

At this time, when the latch 30 is released, the tongue plates 11 and 12 are separated by the sliders 50 and 51 in the opposite insertion direction O as shown in FIG. 5.

In addition, as an example, when only the tongue plate 11 is inserted as shown in FIG. 6, the latch plate 30 is released from the latch 30 by the repulsive force of the neighboring slider 50 so that the fastening is not performed.

When the buckle body 20 is mounted to the case 70, as shown in FIGS. 7 and 8, the buckle body 20 has a belt connecting hole 21 at one end and a tongue plate insertion hole 22 at the other end. In addition, the buckle body 20 is provided with a hinge groove 23 is opened to one side to rotate the latch 30 to be described later to the tongue plate insertion hole 22 side.

The belt connection hole 21 is connected to the buckle connecting strap 3 provided in the child car seat.

Here, the case 70 is divided into two parts and has a button operation hole 70a for pressing the button 60.

As shown in FIG. 2, the latch 30 is rotatably installed in the hinge groove 23 of the buckle body 20. 9 and 10, the latch 30 is provided with engaging pieces 31 and 32 for hanging and fixing the tongue plates 11 and 12 inserted through the tongue plate insertion holes 22. As shown in FIG.

The latch 30 is installed to receive a rotational force in the locking direction L by the latch spring 40 force as shown in FIG. 2. Accordingly, the latch 30 locks (locks) the tongue plates 11 and 12 to the locking pieces 31 and 32 by the latch spring 40 force.

Two latch springs 40 are provided in this embodiment. Each latch spring 40 has one end supported by the sppping insertion groove 30a of the latch 30 and the other end supported by the case 70 to exert an elastic repulsive force.

Therefore, when the tongue plates 11 and 12 are inserted into the tongue plate insertion holes 22 of the buckle body 20 as shown in FIG. 3, the tongue plates 11 and 12 unlock the latch 30 in the unlocking direction U. Rotate in) while passing over the engaging pieces (31, 32). At this time, the latch spring 40 is compressed.

Subsequently, the latch 30 is rotated in the locking direction L as shown in FIG. 4 by the elastic restoring force of the latch spring 40 to be coupled to the recesses 11a and 12a of the tongue plates 11 and 12. That is, the locking pieces 31 and 32 of the latch 30 are fitted into the grooves 11a and 12a of the tongue plates 11 and 12 so that the locking engagement between the tongue plates 11 and 12 and the buckle body 20 can be achieved. Will be done.

The buckle body 20 is assembled with a pair of sliders 50 and 51 for unlocking the tongue plates 11 and 12.

That is, the pair of sliders 50 and 51 releases the engagement between the latch 30 and the tongue plates 11 and 12 or when only one of the tongue plates 11 and 12 is inserted. At the same time, the tongue plates 11 and 12 are disengaged in the opposite direction to the insertion (O).

The pair of sliders 50, 51 are disposed to be slidably movable in the sliding grooves 25, 26 of the buckle body 20. In addition, the sliders 50 and 51 are provided with inclined surfaces 50a and 51a for pushing the tongue plates 11 and 12 in the opposite direction to the insertion. Preferably, the sliders 50 and 51 are slidably installed in a direction perpendicular to the insertion direction of the tongue plates 11 and 12.

In this case, the pair of sliders 50 and 51 are installed to receive elastic support by the respective compression springs 55 and 56 inserted into the sliding grooves 25 and 26 as shown in FIG. 1.

The button 60 is made of plastic to release the latching operation of the latch 30.

One end of the button 60 is fitted to the hinge hole 24 to the buckle body 20. In addition, the button 60 is provided with a support piece 61 extending from the hinge end to enable rotational return.

On the other hand, the buckle body 20 is seated and the case 70 is provided with a latch 30 is supported, the case 70 is formed with a button pressing hole 70a for manipulating the appearance operation of the button 60 It is. In this embodiment, the case 70 is composed of two divisions and is integrally assembled.

The operation of this embodiment configured as described above will be described.

<Pair before fastening a pair of tongue plates>

First, before the pair of tongue plates 11 and 12 are locked, that is, before the tongue plates 11 and 12 are inserted into the buckle body 20, the latch 30 is latched as shown in FIG. 2. It is in the state rotated in the locking direction L by the force.

At the same time, the sliders 50 and 51 are moved to the center line X of the buckle body 20 by the compression springs 55 and 56, respectively.

<When inserting only one tongue plate>

For example, when one of the tongue plate 11 is inserted into the buckle body 20 as shown in FIG. 6, the tongue plate 11 passes over the corresponding engaging piece 31 as shown in FIG. 3. Is in contact with the inclined surface 50a of the slider 50.

At this time, the slider 50 pushes the tongue plate 11 in the insertion direction I and the right angle direction P with the compression repulsive force of the compression spring 55, and simultaneously pushes the tongue plate 11 in the insertion opposite direction O.

Therefore, the tongue plate 11 is not caught in the catching piece 31 and is released immediately after being released.

This prevents the locking engagement due to the induction of movement of the slider 51 even when the other tongue plate 12 is inserted.

Therefore, if only one tongue plate 11 or 12 is accidentally or arbitrarily fastened while the child is seated on the car seat, it is soon released and can be prevented from filling only one tongue plate 11 or 12.

<When both tongue plates are inserted at the same time>

As shown in FIGS. 1 and 2, the two tongue plates 11 and 12 face each other and are inserted into the buckle body 20.

In this case, the pair of tongue plates 11 and 12 are carried over by the engaging pieces 31 and 32 of the latch 30 to be engaged by engaging the recesses 11a and 12a and the engaging pieces 31 and 32. At this time, the latch 30 is rotated again in the locking direction L by the force of the latch spring 40, and the engaging pieces 31 and 32 continue to engage the recesses 11a and 12a.

At this time, the sliders 50 and 51 are in contact with the tongue plates 11 and 12 to overcome the compression springs 55 and 56 and are spread to the left and right, respectively.

When the two tongue plates 11 and 12 are inserted into the body 20 at the same time as described above, the latch release does not occur unless the latch 30 is released.

This is because the latch 30 rotates in the locking direction L even though the two tongue plates 11 and 12 inserted into the body 20 are forced in the retraction direction O by the sliders 50 and 51, respectively. This is because the grooves 11a and 12a of the tongue plates 11 and 12 are continuously held by the engaging pieces 31 and 32.

<Unlocked>

When the button 60 is pressed or pressed in the fastening state as shown in FIG. 4, the latch 30 is rotated in the unlocking direction U as shown in FIG. 5 by the elastic force of the latch spring 40, and the locking pieces 31 and 32 are rotated. Depart from each groove 11a, 12a of the tongue plates 11, 12, and the tongue plates 11, 12 are then inserted oppositely by the sliders 50, 56 under the force of the compression springs 55, 56. The disengagement is completed while moving to (O).

Thus, according to the present invention, if only one of the tongue plates 11 or 12 is inserted, it is possible to prevent the mistake of fastening only one by being configured to be immediately released without being caught.

Therefore, the user is forced to fasten both the tongue plates 11 and 12, thereby increasing the wearing safety.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto, and the technical idea of the present invention and the following by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

The following drawings, which are attached in this specification, illustrate preferred embodiments of the present invention, and together with the detailed description of the present invention, serve to further understand the technical spirit of the present invention. It should not be construed as limited to.

1 is an assembled state of the buckle device for infant car seat according to the present invention.

2 to 5 is an assembled cross-sectional view of one side of the buckle device for an infant car seat according to the present invention, the operation state according to the assembly position of the tongue plate.

Figure 6 is an unlocking operation that appears when you want to fasten any one tongue plate in the buckle device for infant car seat according to the present invention.

7 and 8 are a front view of the buckle body to be applied to the present invention and a line A-A bottom view of Figure 7;

9 and 10 are a front view and one side view of a latch applied to the present invention.

11 is a block diagram of a conventional infant car seat buckle device.

<Explanation of symbols for the main parts of the drawings>

11,12: tongue plate

20: buckle body

30: latch

31,32: hanging piece

40: latch spring

50, 51: slider

50a, 51a: slope

55,56: compression spring

60: button

70: case

Claims (10)

In the buckle device of a child car seat using a pair of tongue plates (11, 12), A buckle body 20 having a belt connection hole 21 at one end and a tongue plate insertion hole 22 at the other end and mounted to the case 70; A latch rotatably installed at one end of the buckle body 20 and having latching pieces 31 and 32 for engaging and fixing the tongue plates 11 and 12 inserted through the tongue plate insertion holes 22 ( 30); A latch spring 40 which applies rotational force to the latch 30 to induce a locking engagement between the locking pieces 31 and 32 and the tongue plates 11 and 12; Insertion of the tongue plate (11, 12) is arranged to be slidably movable in the buckle body 20, and pushed in the direction to release and release the pair of tongue plate (11, 12) engaged with the latch (30) A pair of sliders (50, 51) slidably installed in a direction perpendicular to the direction; One end is hinged to the buckle body 20 and the other end is installed to be rotatable in contact with the latch 30, and the latch 30 is rotated to rotate the tongue plates 11 and 12 and the latch 30. Buckle device for a baby car seat, characterized in that it comprises a button 60 for releasing the lock fastening. delete delete The method of claim 1, The buckle device of the infant car seat, characterized in that the buckle body (20) is provided with a hinge groove (23) for fitting the latch (30) rotatable. The method of claim 1, The pair of sliders (50, 51) is buckle device of the child car seat, characterized in that installed to receive elastic support by the compression spring (55, 56), respectively. The method of claim 1, The button (60) is buckle device of the child car seat, characterized in that configured to return to rotation by a support piece (61) extending from its hinge end. The method of claim 1, The pair of sliders (50, 51) is buckle device of the infant car seat, characterized in that arranged in a straight line. The method of claim 1, The button 90 is buckle device of a child car seat, characterized in that made of plastic. The method of claim 1, The latch spring (40) is provided with two buckle device of the infant car seat, characterized in that resilient both ends of the latch 30 with an elastic force. The method of claim 1, The sliders 50 and 51 are formed with inclined surfaces 50a and 51a for pushing the tongue plates 11 and 12 in the opposite direction to the insertion, respectively, and the sliders 50 and 51 are the tongue plates 11 and 12 respectively. Sliding operation is installed in a direction perpendicular to the insertion direction of the, the buckle body 20 is provided with a hinge groove 23 for fitting the latch 30 to be rotatable, the pair of sliders (50, 51) ) Are respectively installed to receive elastic support by the compression springs (55, 56), the button (60) of the infant car seat, characterized in that configured to be rotatable by the support piece (61) extending from its hinge end Buckle device.

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