JP2000272468A - Safety belt of child seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the safety belt of a child seat capable of confirming safety by indicating the mounting state to the buckle of a tongue plate. SOLUTION: A buckle 5 having a tongue mounting body and push button 8 is arranged on a safety belt 1. A slider 12 having a blue B indicator 121 is arranged movably on the tongue mounting body and a red indicator is formed on the push button 8. By that the slider 12 pushed in by a tongue plate 20 covers the indicator 121 to the upper side of the indicator of the push button 8, the blue B showing the locked state of the tongue plate 20 is indicated on the buckle 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety belt for a child safety seat (hereinafter referred to as a "child seat") for an automobile, and more particularly, to a safety belt capable of confirming safety when a tongue plate is attached to and detached from a buckle. About.

[0002]

2. Description of the Related Art In recent years, when a child under the age of six gets on a car, it is required to mount a child seat in order to protect the safety of the child and to solve various problems. Has been improved. In particular, in terms of safety, it must be designed to provide reliable protection for young people. For example, it must be configured so that the child seat does not jump out of the seat in the event of a collision, and that the child must be securely fixed to the child seat. Normally, a child seat has a holding portion that can be fixed to a vehicle seat with a vehicle seat belt, or a safety belt for holding a human body is attached, and is configured to protect a young person. .

[0003] This safety belt is a crotch belt, a shoulder belt,
It is composed of a waist belt, a buckle, and a tongue plate, and is configured such that a tongue plate provided on a shoulder belt or a waist belt is removably provided on a buckle provided in the crotch belt. The problem when using this safety belt is to confirm that the tongue plate is securely attached to the buckle. It was confirmed by the locking sound when locked.

[0004]

However, checking the attachment of the tongue plate to the buckle by intuition or locking sound as in the prior art may cause omission of confirmation, which is extremely dangerous. Have. Since intuition and sound are instantaneous and cannot be confirmed as it is over time,
There has been a demand that a specific device can be used to confirm that the tongue plate has been attached to the buckle in order to prevent the occurrence of an emergency.

An object of the present invention is to provide a child seat safety belt capable of confirming the state of attachment of a tongue plate by displaying the state of attachment and detachment of a buckle to and from a tongue plate. I do.

[0006]

A child seat safety belt according to the present invention is configured as follows to solve the above-mentioned problems. That is, a safety belt for a child seat including a buckle and a pair of tongue plates detachably attached to the buckle, wherein a state where the tongue plate is locked to the buckle, A display means for indicating that the buckle is unlocked from the buckle is provided.

In the safety belt for a child seat, the display means is color-coded in two colors, and the locked state or the unlocked state of the tongue plate is displayed depending on which color is displayed on the buckle. It is characterized by being comprised in.

Further, in the child seat safety belt, the buckle has mounting means for mounting the tongue plate, and push button means for detaching the tongue plate from the mounting means. A slider which has a display portion on which one color is displayed and which is movable by pressing the tongue plate is provided, and a display portion in which a color different from the color of the display portion of the slider is displayed on the push button means. Any structure may be used as long as it is formed so that the display of the slider can be covered above the display of the push button means by the movement of the slider.

Preferably, a colored portion for displaying the lock release of the tongue plate is formed on the display portion of the push button means so as to be visible, and the lock portion of the tongue plate is displayed on the display portion of the slider. A colored portion is formed to be visible, a colored portion of the slider is displayed in the buckle when the tongue plate is locked, and a colored portion of the push button means is displayed in the buckle when the tongue plate is unlocked. It is even better if it is characterized.

[0010] More preferably, the mounting means is provided with a mounting plate for guiding the insertion of the tongue plate and a latch supported on the mounting plate so as to be tiltable, and the push button means is provided by the tongue plate. When the slider is locked by the latch via the tongue plate when the slider is moved to the side, and the latch is unlocked by the push button means, the coil spring is disposed on the mounting plate. By this, it can be moved to a position where it is locked by the latch.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, the safety belt 1 of this embodiment is fixed to a child seat (not shown) and a buckle 5 is provided.
2 and two shoulder belts 3 to which the tongue plate 20 is attached. As shown in FIG. 2, each of the tongue plates 20 is attached and the blue color B is displayed in a locked state. Then, as shown in FIG. 3, each of the tongue plates 20 is detached from the buckle 5 and a red R is displayed in an unlocked state, thereby confirming whether the tongue plate 20 is locked or unlocked. .

The buckle 5 arranged in the crotch belt 2
As shown in FIGS. 4 to 6, an upper case 6 formed in an oval shape,
A lower case 7, a push button 8 (push button means) arranged at the center of the upper case 6, and a tongue mounting body (supported by the lower case 7, to which the tongue plate 20 is mounted and which locks and holds the tongue plate 20 Mounting means) 10, and the tongue plate 20 is mounted by pushing the tongue plate 20 into the tongue mounting body 10, and the push button 8
Is pressed, the tongue plate 20 is detached from the tongue mounting body 10. Also, upper case 6 and lower case 7
Is formed so that the tongue mounting body 10 and the push button 8 are housed therein and can be engaged with each mating surface.

The tongue mounting body 10 is formed in a substantially Y-shape in plan view and holds a tongue plate 20, and a guide hole 113 formed in the mounting plate 11 along the moving direction of the tongue plate 20. A slider 12, which urges the slider 12 toward the tongue plate 20, and a latch 15 which locks and holds the tongue plate 20, which has pressed and moved the slider 12, to the mounting plate 11. It is configured. Two tongue plate support portions 111 for supporting the tongue plate 20 are formed at lower portions on both sides of the mounting plate 11, and latch holding portions 112 for tiltably holding the latch 15 are formed on both sides.

The slider 12 is formed of resin, and as shown in FIG. 7, a display section 121 formed in a fan shape on the upper side and a spring receiving section 122 for accommodating the tip of the coil spring 13 are formed on the lower side. Is formed between the display part 121 and the lower spring receiving part 122. The upper display unit 121 has a blue B
Or a blue B paint is applied. Further, the slider 12 has a flange portion 124 that slides on the mounting plate 11 and a pressing surface 125 that is pressed against the tongue plate 20 is formed on the latch 15 side of the spring receiving portion 122. Slider 12
The display section 121 formed on the upper part of the push button 8 is located above a display section formed on the push button 8 described later, and can move the slider 12 to cover the display section of the push button 8. Display unit 1 of the slider 12 in place of the display unit
21 is visible on the buckle 5.

Coil spring 13 for urging slider 12
One end is fitted into the guide hole 113 of the mounting plate 11 so as to surround a pin portion 114 provided so as to protrude from the one end of the guide hole 113 along the guide hole 113, and the other end is Is stored in the spring receiving portion 122.

The latches 15 are arranged so as to lie laterally on latch holding portions 112 formed on both sides of the mounting plate 11, and as shown in FIG. 8, a body portion 151 formed in a belt shape.
The pressing face 1 of the slider 12 is
25 or locking hole 2 formed in tongue plate 20
The claw portion 152 that can be locked to the locking surface 22 of the
Protrusions 153 are formed so as to rise obliquely upward from 1, and are supported on the inner surfaces of the latch holding portions 112 on both sides on the opposite side. Further, the tip of the body 151 is formed with a push button receiving portion 154 extending obliquely upward with a curved surface, and the push button receiving portion 154 is attached to the lower case 7.
The spring 9 (see FIG. 4), which is arranged to stand upright, can be pressed downward. As shown in FIG. 5, the body 151 of the latch 15 is tiltably disposed on the latch holding portion 112 of the mounting plate 11.

One push button 8 constituting the buckle 5 is
An operating portion 8 formed in an oval shape as shown in FIG. 2 or FIG.
1, a pressing portion 82 projecting downward on the back surface of the operation portion 81,
The operating portion 81 is formed to have two legs 83 extended from one side, and the operating portion 81 has two display portions 84 (see FIG. 3) formed on the movement line of the slider 12. And
A red seal R or a red paint R is applied to each display section 84. The pressing portion 82 is disposed at a position facing the push button receiving portion 154 of the latch 15, and the leg portion 83 is locked to the mounting plate 11. Therefore, when the operation unit 81 is pressed downward with the leg 83 as a fulcrum, the pressing unit 82 presses the push button receiving unit 154 of the latch 15.

Next, the buckle 5 constructed as described above is used.
The operation of the display unit displayed on the buckle 5 when the tongue plate 20 is mounted and the tongue plate 20 is locked / unlocked will be described. In the following description, the operation of attaching the tongue plate 20 to one side of the bifurcated attachment plate 11 will be described.

The tongue plate 2 attached to the shoulder belt 3
2 and 5 in a state where 0 is not inserted into the buckle 5.
As shown by the two-dot chain line, the slider 12 is moved to the distal end side of the guide hole 113 of the mounting plate 11 by the urging force of the coil spring 13 mounted on the mounting plate 11. On the other hand, since the latch 15 urges the push button receiving portion 154 at the distal end upward by the spring 9, the latch 1
5 is in a state of being tilted upward, and the pressing surface 125 of the slider 12 at this time is locked by the claw 152 of the latch 15 that is tilted upward. At this time,
On the buckle 5, a display portion 84 formed in red R appears on the operation portion 81 of the push button 8, and a display portion 121 formed in blue B of the slider 12 is hidden in the upper case 6. Therefore, in the unlocked state in which the tongue plate 20 is not mounted, the buckle 5 displays a red color R.

When the tongue plate 20 is manually pushed into the mounting plate 11 and mounted on the tongue plate holding portion 111, as shown in FIGS. 2 and 5, the tongue plate 20 presses the pressing portion 82 of the slider 12 to Is moved in the direction in which the coil spring 13 is compressed. At this time, before the leading end of the tongue plate 20 contacts the pressing surface 125 of the slider 12, the claw 152 of the latch 15 is tilted downward (indicated by a two-dot chain line in FIG. 5). When the latch 15 is further moved by pressing, the claw 152 of the latch 15 is tilted upward by the urging force of the coil spring 13 when the latch 152 is moved to the position of the locking hole 21 formed in the tongue plate 20, and the engagement of the tongue plate 20 is caused. It locks on the stop surface 22. When the slider 12 moves, the blue B display unit 1 formed on the slider 12
The blue color B is displayed on the buckle 5 by the 21 covering the red R display portion 84 formed on the operation portion 81 of the push button 8. In the state where the tongue plate 20 is formed by the latch 15, the display of blue B is displayed on the entire surface, indicating that the tongue plate 20 is in the locked state.

When the tongue plate 20 is detached from the mounting plate 11, when the operating portion 81 of the push button 8 is pressed downward, the pressing portion 82 is pressed by the push button receiving portion 154 of the latch 15.
Is depressed downward by overcoming the urging force of the spring 9, so that the claw 152 of the latch 15 is disengaged from the locking surface 22 of the tongue plate 20, and the body 151 of the latch 15 is tilted downward. Therefore, the coil spring 13 for urging the slider 12 is moved together with the slider 12 by the tongue plate 20.
Is pressed to release the tongue plate 20 from the mounting plate 11. The slider 12 is urged by the coil spring 13 by the detachment of the tongue plate 20, and is locked by the claw 152 of the latch 15 which is tilted upward. As a result, the display portion of the buckle 5 indicates the unlocked state instead of the blue B to the red R.

Therefore, if the color visually displayed on the buckle 5 is red R or two colors of red R and blue B, the tongue plate 20 is in the unlocked state and blue B is displayed on the entire surface. Then, since the tongue plate 20 is in the locked state, it can be confirmed that the child is fixed to the child seat.

In the above-described embodiment, the color displayed on the buckle 5 is formed of two colors, red and blue. However, the present invention is not limited to this, and other colors may be used. The structure of the buckle 5 or the tongue plate 2
The shape of 0 is not limited to the above-described embodiment. In any case, it is sufficient that the mounting state of the tongue plate 20 is clearly displayed between the locked state and the unlocked state.
It only needs to be color-coded by color.

[0025]

According to the present invention, a safety belt for a child seat according to the first aspect of the present invention includes a buckle, and a pair of tongue plates detachable from the buckle. Display means is provided for indicating a state in which the tongue plate is locked to the buckle and a state in which the tongue plate is unlocked from the buckle. Therefore, by displaying the locked state and the unlocked state, it is possible to surely confirm either state without relying on intuition or instantaneous sound as in the related art. Therefore, the child can be safely driven in a state where the child is securely fixed to the child seat.

According to a second aspect of the present invention, in the child seat safety belt, the display means is identified by two colors, and the locked state or the unlocked state of the tongue plate is determined depending on which color is displayed on the buckle. If it is configured to be displayed, it can be checked immediately by visual inspection, and the displayed color remains in that state unless the state of lock or unlock is switched, so time is spent. It is also possible to check again.

Further, in the child seat safety belt according to the present invention, the buckle has mounting means for mounting the tongue plate, and push button means for detaching the tongue plate from the mounting means. The mounting means is provided with a slider having a display portion for displaying one color, the slider being movable by pressing the tongue plate, and a color different from the color of the display portion of the slider is displayed on the push button means. The display section is formed so that the display section of the slider can be covered above the display section of the push button means by the movement of the slider. Therefore, when the tongue plate is locked, the display part of the slide moved by the tongue plate covers the display part of the push button means, so that the display part of the slide is visible on the buckle, In the unlocked state, the display of the push button means is displayed on the buckle, so that the same effect as the effect of claim 1 or 2 can be exhibited.

According to a fourth aspect of the present invention, in the safety belt for a child seat, a colored portion for displaying unlocking of the tongue plate is formed on a display portion of the push button means so as to be visible, and a display portion of the slider is provided on the display portion of the slider. A colored portion for displaying the lock of the tongue plate is formed so as to be visible, a colored portion of the slider is displayed in the buckle when the tongue plate is locked, and a colored portion of the push button means when the tongue plate is unlocked. Since the portion is displayed in the buckle, the same effect as the effect of the third aspect can be exhibited.

According to a fifth aspect of the present invention, in the child seat safety belt, the mounting means is provided with a mounting plate for inserting and guiding the tongue plate, and a latch supported by the mounting plate so as to be tilted, When the slider is locked by the latch via the tongue plate when the slider is moved to the push button means side by the tongue plate, and the latch is unlocked by the push button means, the slider is mounted. It is moved to a position where it is locked by the latch by a coil spring disposed on the plate. Since the slider controls the movement between two points by the latch, the operation of the slider can be reliably performed. Therefore, claim 1
~ 4 effects can be exhibited.

[Brief description of the drawings]

FIG. 1 is an overall plan view showing a safety belt of a child seat according to one embodiment of the present invention.

FIG. 2 is a plan view showing a state in which a tongue plate is locked to a buckle.

FIG. 3 is a plan view showing an unlocked state of the tongue plate to the buckle.

FIG. 4 is a plan view showing the internal structure of the buckle in FIG. 3;

FIG. 5 is a sectional view taken along line V-V in FIG.

6 is a sectional view taken along line VI-VI in FIG.

FIG. 7 is a perspective view showing the slider in FIG. 4;

FIG. 8 is a perspective view showing the latch in FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Safety belt 2 ... Crotch belt 3 ... Shoulder belt 5 ... Buckle 8 ... Push button 10 ... Tongue mounting body 11 ... Mounting plate 12 ... Slider 13 ... Coil spring 15 ... Latch 20 ... Tongue plate 22 ... Locking surface 81 ... Operation Part 82 ... Pressing part 84 ... Display part 121 ... Display part 125 ... Pressing surface 151 ... Body part 152 ... Claw part 154 ... Push button receiving part B ... Blue R ... Red

Claims (5)

[Claims] 1. A child seat safety belt including a buckle and a pair of tongue plates detachable from the buckle, wherein the safety plate includes a state in which the tongue plate is locked to the buckle; A safety belt for a child seat, wherein display means for indicating that the tongue plate is unlocked from the buckle is provided. 2. The display device according to claim 1, wherein the display means is configured to be color-coded in two colors and to display a locked state or an unlocked state of the tongue plate depending on which color is displayed on the buckle. The child seat safety belt according to claim 1, wherein 3. The buckle has mounting means for mounting the tongue plate, and push button means for detaching the tongue plate from the mounting means, and one color is displayed on the mounting means. A slider having a display portion that is movable by pressing the tongue plate, and a display portion displaying a color different from the color of the display portion of the slider is formed on the push button means; 3. The safety belt for a child seat according to claim 2, wherein a display portion of the slider can be covered above a display portion of the push button means by movement. 4. A colored portion for displaying the unlocking of the tongue plate is formed on the display portion of the push button means so as to be visible, and a colored portion for displaying the lock of the tongue plate is displayed on the display portion of the slider. The part is formed to be visible,
4. A colored portion of the slider is displayed in the buckle when the tongue plate is locked, and a colored portion of the push button means is displayed in the buckle when the tongue plate is unlocked. Child seat safety belt. 5. The mounting means is provided with a mounting plate for guiding the insertion of the tongue plate, and a latch supported to be tiltable by the mounting plate, and is provided on the push button means side by the tongue plate. When being moved,
When the slider is locked by the latch via the tongue plate and the latch is unlocked by the push button means, the slider is locked to the latch by a coil spring disposed on the mounting plate. The safety belt for a child seat according to claim 3, wherein the safety belt is moved to a predetermined position.