CN103921755A - Safety Belt Fastener Device Of Automotive Seat For Children - Google Patents

Abstract

The present invention relates to a seat belt buckle device for a car seat for children, which is characterized in that it comprises: a seat belt buckle body, the central part has a space part, wherein one side of the space part is formed with a space opening in the downward direction. The seat belt passing portion for accommodating the seat belt has a rod receiving portion of a predetermined shape formed on the other side; and the seat belt buckle rod is inserted into the rod receiving portion to fix the seat belt passing through the seat belt passing portion by the elasticity of the spring or Unfixing; the above-mentioned safety belt buckle lever also includes: a pin receiving groove, the safety belt buckle lever is combined with the pin; The belt is inserted into the fixing protrusion and fixed; in the space opposite to the space, the pin passes through the pin receiving groove and is combined with the spring so that the seat belt buckle lever can be elastically rotated.

Description

Seat belt buckles for child car seats

technical field

The present invention relates to a seat belt buckle device for a child's car seat, and in more detail, relates to a seat belt buckle device for firmly fastening a seat belt to a child's car seat, which is safe and easy to tighten and tighten the seat belt Seat belt buckles for child car seats.

Background technique

Generally, when riding in various vehicles such as cars, the seat belts are worn to ensure the safety of the occupants.

Since most of the seat belts are set on the basis of adults, small children cannot wear seat belts, and it is necessary to install a child protection seat on the cushion of the vehicle, so that the child can drive while sitting on the above-mentioned car seat. These child car seats are used in such a way that the child car seat is placed on a vehicle seat, and then connected and fixed by a seat belt.

Due to the weak fastening force of the usual seat belt fastening device, it cannot perform its own function when the vehicle makes a sharp turn, brakes suddenly, or starts suddenly, causing the car seat for children to shake.

In addition, it is inconvenient to operate the seat belt fastening device with a lot of force. On the contrary, when a small amount of force is used to operate it, the fastening device will loosen unintentionally, threatening children's riding safety.

Moreover, the normal car seat transmits the impact force of the collision accident to the child as it is, so that the body of the child cannot be sufficiently protected.

Therefore, it is necessary to develop a method for more firmly fixing the child's car seat on the car seat.

Recently, car seats for children equipped with seat belt hooks, or car seats for children including seat belt clips as parts, have been put on the market. However, its use method is complicated, and it cannot stably support the car seat for a child in a driving state such as sharp turning or sudden braking.

Therefore, a solution for overcoming these disadvantages needs to be researched.

patent documents

Patent Document 1: Korean KR20-2005-0019264

Contents of the invention

The present invention is proposed to solve the above problems. It provides a safety belt that is firmly fixed to the child car seat to prevent shaking, and the safety belt is easy to operate and difficult to loosen in the fastened state. Seat belt buckles for child car seats.

The technical problems of the present invention are not limited to the technical problems mentioned above, and those skilled in the art to which the present invention belongs can clearly understand other technical problems not mentioned in the present invention through the following description.

In order to achieve the purpose of the present invention, a safety belt buckle device for a car seat for children is provided, which is characterized in that it comprises: a seat belt buckle body, a space part in the central part, wherein one side of the space part is formed with The seat belt passing portion which is opened in the downward direction to accommodate the seat belt, and the other side is formed with a rod receiving portion of a predetermined shape; and the seat belt buckle rod is inserted into the rod receiving portion and fixed through the above seat belt passing portion by the elasticity of the spring The above-mentioned seat belt is fixed or released; the above-mentioned seat belt buckle lever also includes: a pin receiving groove, which is combined with the pin; The seat belt is inserted into the fixing protrusion and fixed; in the space opposite to the space, the pin passes through the pin receiving groove and is combined with the spring, so that the seat belt buckle lever can be elastically rotated.

Moreover, an installation groove is formed on the upper part of the safety belt buckle body; an angle display part is also included, and the above-mentioned angle display part is accommodated in the above-mentioned installation groove with a size corresponding to the above-mentioned installation groove; the angle display part has: angle display The main body is used to display the angle range suitable for installing the child car seat; and the guide shell is arranged on the exposed surface of the angle display main body and contains movable beads.

In addition, a support groove is formed on one side of the lower part of the seat belt buckle body; a support protrusion is formed at the corresponding part of the above support groove of the seat belt buckle lever; The lower part of the latch body disengages.

And, also comprise handle, be formed in the bottom of above-mentioned safety belt buckle lever, can rotate to left and right direction by hand; wear due to rotation.

Moreover, a spring fixing groove for fixing and supporting the above-mentioned spring is formed on one side of the rod receiving portion; the spring fixing groove accommodates the end portion of the above-mentioned spring to prevent the end portion of the spring from protruding.

In addition, at least one threaded hole for fixing the child car seat is formed on one side of the safety belt buckle body.

Invention effect

A seat belt buckle device for a child car seat according to an embodiment of the present invention is provided, which can securely fix the seat belt on the child car seat to completely prevent shaking and ensure the safety of the seated child.

Moreover, the locking and unlocking work is simple, and it is easily fixed to the vehicle, increasing the frequency of use, thereby improving safety.

The effects obtained by the present invention are not limited to the above-mentioned effects, and those skilled in the art to which the present invention pertains can clearly understand other effects not mentioned in the present invention from the following description.

Description of drawings

FIG. 1 is a perspective view of a safety belt buckle device for a child car seat according to an embodiment of the present invention.

Fig. 2 is an exploded perspective view of a safety belt buckle device of a child car seat according to an embodiment of the present invention.

Fig. 3 is a perspective view of the seat belt buckle body introduced in the present invention.

Fig. 4 is a perspective view of an angle display unit introduced in the present invention.

FIG. 5 is a perspective view of a child car seat provided with a safety belt buckle device according to an embodiment of the present invention.

Explanation of reference signs

1. Car seats for children

10. Seat belt buckle device for child car seats

100. Seat belt buckle body

110. Department of Space

111. Seat belt passing section

112. Pole storage unit

112a. Spring fixing groove

120. Mounting groove

121. Combination groove

130. Support groove

140. Handle storage slot

200. Seat belt buckle bar

210. Pin storage slot

220. Fixed protrusion

230. Support protrusions

240. Handle

250. Threaded hole

260. Pin

270. Spring

300. Angle display unit

310. Angle display body

311. Combined protrusions

320. Guide housing

330. Beads

Detailed ways

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, when explaining the operation principle of the preferred example of the present invention in detail, the detailed description of related known functions or structures will be omitted if the detailed description obscures the gist of the present invention.

In addition, the same drawings are used for parts that have similar functions and effects in the drawings. In the specification, if a certain part is connected to another part, it includes not only the case of direct connection, but also the case of indirect connection via another element.

The previous seat belt fastening device has weak fastening force, which causes the car seat for children to shake very much during the driving process of the vehicle, and the operation of the elastic fastening device is inconvenient, and unintentional loosening of the fastening device occurs, threatening Take the safety of children.

An embodiment of the present invention provides a safety belt buckle device 10 for a child's car seat with strong and powerful fastening, safe and easy to operate, which is used to solve the problems existing on the child's car seat. above question.

Next, the structure and function of a seat belt buckle device 10 for a child car seat according to an embodiment of the present invention will be described with reference to the drawings.

First, FIG. 1 is a perspective view of a safety belt buckle device 10 for a child car seat according to an embodiment of the present invention.

2 is an exploded perspective view of a seat belt buckle device 10 for a child car seat according to an embodiment of the present invention.

As shown in FIGS. 1 and 2 , a seat belt buckle device 10 for a child car seat according to an embodiment of the present invention includes a seat belt buckle body 100 , a seat belt buckle lever 200 , and an angle display portion 300 .

However, the components shown in FIG. 1 and FIG. 2 are not necessarily necessary, and a seat belt buckle device 10 for a child car seat having more or less structural components than these elements can be embodied.

Next, each of the above constituents will be described in detail.

First, referring to FIG. 1 and FIG. 2, a space portion 110 is formed in the center of the seat belt buckle body 100, and one side of the space portion 110 is opened downward to accommodate a seat belt passing portion 111 of a seat belt (not shown), , the other side is formed with a rod receiving portion 112 of a predetermined shape.

A seat belt (not shown) is housed in the seat belt passing portion 111 , and a seat belt buckle bar 200 is provided so as to be in close contact with the side wall of the rod housing portion 112 .

Moreover, a support groove 130 is formed on one side of the lower portion of the seat belt buckle body 100 .

A support protrusion 230 is formed at a position corresponding to the support groove 130 , and the combination of the two prevents a seat belt (not shown) inserted into the seat belt passing portion 111 from coming out of the open space formed under the seat belt passing portion 111 .

Moreover, the receiving groove 140 is formed in the lower part of the seat belt buckle body 100 with a size corresponding to the handle 240 for receiving the handle 240 which will be described later.

Next, the seat belt buckle rod 200 is inserted into the rod receiving portion 112 , and functions to fix or unfix the seat belt (not shown) passing through the seat belt passing portion 111 .

Furthermore, the seat belt buckle bar 200 includes a pin receiving groove 210 and a fixing protrusion 220 . The seat belt buckle rod 200 is accommodated in close contact with the rod receiving portion 112 of the seat belt buckle body 100 , and is combined with the pin 260 in a space opposite to the space portion 110 via the pin receiving groove 210 .

At this time, the spring 270 is also combined with the pin, so that the seat belt buckle bar 200 is elastically rotated.

On one side of the seat belt buckle bar 200 , a plurality of fixing protrusions 220 are formed in the vertical direction so as to be longer than the length of the seat belt (not shown) by a predetermined length, and the fixing protrusions 200 are formed by the rotation of the seat belt buckle bar 200 . The belt (not shown) passing through the belt passing portion 111 is pressed and fixed by applying pressure.

The handle 240 is located at the lower part of the seat belt buckle lever 200 and can be rotated by hand in left and right directions.

The angle display part 300 is set in the size of the installation groove 120 of the seat belt buckle body 100, on the angle display body 310 and the exposed surface of the angle display body 310 showing the appropriate angle range for installing the child car seat 1, and , having a guide housing 320 containing a movable bead 330 .

FIG. 3 is a perspective view of the seat belt buckle body 100 of the present invention.

As shown in FIG. 3 , an elliptical installation groove 120 is formed on the upper part of the seat belt buckle body 100 , and the coupling grooves 121 formed on both sides of the installation groove 120 are inserted into the coupling protrusions 311 of the angle display part 300 for coupling.

A spring fixing groove 112a is formed on one side of the rod receiving portion 112 of the safety belt buckle body 100, and the spring fixing groove 112a accommodates the end of the spring 270 so that the spring 270 does not protrude and plays a role of fixing and supporting the spring 270.

In addition, screw holes 250 are formed on the left and right sides of the rod receiving portion 112 of the seat belt buckle body 100 , and the seat belt buckle device 10 is fixed to the child car seat 1 by screwing.

FIG. 4 is a perspective view of the angle display unit 300 of the present invention.

As shown in FIG. 4 , the angle display part 300 is inserted into the installation groove 120 formed in the upper part of the seat belt buckle body 100 . At this time, the angle display part 300 is fixedly inserted into the seat belt buckle body 100 by means of the coupling protrusions 311 coupled with the seat belt buckle body 100 on both sides.

The angle display part 300 is provided with an angle display body 310 and a guide housing 320. The angle display body 310 is used to display the appropriate angle range for installing the child car seat 1. The guide housing 320 is arranged on the exposed surface of the angle display body 310. Contained beads 330 move therein.

At this time, the guide case 320 has a transparent and gently curved shape, so that the inside can be seen from the outside. In addition, a bead 330 is inserted into the inside of the guide case 320 and moves as the child car seat 1 is tilted.

For example, if the appropriate angle part of the exposed surface of the angle display body 310 is painted in cyan, and the other inappropriate angle part is painted in white, if the bead 330 inside the guide housing 320 stops moving within the range of cyan, it will display children's Get the correct fit with the car seat 1.

Thereby, it can be confirmed whether or not the child car seat 1 is attached at an appropriate angle.

Next, the operation method of the seat belt buckle device 10 for a child car seat according to another embodiment of the present invention will be described with reference to the drawings.

FIG. 5 is a perspective view of a child car seat 1 provided with a seat belt buckle device 10 according to an embodiment of the present invention.

First, as shown in FIG. 5 , a seat belt buckle device 10 for a child car seat according to an embodiment of the present invention is fixed to the rear side of the child car seat 1 placed on the car seat.

At this time, in order to confirm whether the seat belt buckle device 10 of the child car seat is fixed to the child car seat 1 at an appropriate angle, it is confirmed whether the bead 330 inserted into the guide housing 320 of the angle display part 300 is on the displayed position. within the angle range.

If the child car seat 1 is reclined too much or leaned forward too much, it cannot be fixed to the vehicle seat sufficiently, and a child sitting in the child car seat 1 may be in a dangerous situation.

Next, the initial state of the seat belt buckle device 10 of the child car seat is that the seat belt passing portion 111 is opened due to the elasticity of the spring 270. Here, when the exposed handle 240 of the seat belt buckle lever 200 is grasped to the right When force is applied to rotate, the fixing protrusion 220 of the seat belt buckle lever 200 also rotates simultaneously, applying pressure to the seat belt (not shown) to fix the seat belt.

In this way, the webbing (not shown) is clamped between the fixing protrusion 220 and the webbing passing portion 111 in a tensioned state, and is fixed.

As a result, the child car seat 1 is firmly fixed to the vehicle by the seat belt (not shown), and even if a collision occurs, the safety of the child can be ensured.

Here, since the support protrusion 230 of the seat belt buckle lever 200 is inserted into the support groove 130 , when the seat belt (not shown) passes through the seat belt passing portion 111 , the seat belt (not shown) can only reach the support groove 130 . Above the support groove 130, hold the safety belt (not shown) to prevent it from being exposed below the support groove 130, so as to ensure safety.

Through these processes, the child car seat 1 is securely fixed to the vehicle.

Next, the process of unfastening the fastened seat belt (not shown) will be described.

First, the child car seat 1 fixed in the above-mentioned procedure is brought into the unfixed state, and the handle 240 that has moved to the right is turned to the left.

At this time, the fixing protrusion 220 that is in close contact with the side surface of the seat belt passing portion 111 and applies pressure to the seat belt (not shown) is separated from the seat belt and becomes horizontal to the seat belt (not shown).

The unfastening of the seat belt is completed through the procedure as described above.

As described above, there is provided a seat belt buckle device 10 for a child car seat according to an embodiment of the present invention, which can firmly fix the seat belt on the child car seat, completely prevent shaking, and lock and unlock Easy to work, easy to fix on the vehicle, increase the frequency of use, thereby improving safety.

The seat belt buckle device 10 for a child car seat as described above is not limited to the structures and methods of the above-mentioned embodiments, and can be formed by selectively combining all or a part of each embodiment, so that the above-mentioned embodiments can realize various modifications. .

Claims (6)

1. a safety belt lock buckle device for automobile seat for children, is characterized in that,

Comprise:

Safety belt lock catch body, central portion has spatial portion, wherein a side of above-mentioned spatial portion be formed with downward direction opening with the safety strap of accommodating safety strap by portion, opposite side is formed with the bar resettlement section of reservation shape; And

Safety belt lock button bar, inserts above-mentioned bar resettlement section, utilizes the elasticity of spring to be fixed or to remove fixing to connecting above-mentioned safety strap by the above-mentioned safety strap of portion;

Above-mentioned safety belt lock button bar also comprises:

Pin accepting groove, combines with pin; And

Multiple fixed projections, along with above-mentioned safety belt lock button bar rotates, connect above-mentioned safety strap and insert above-mentioned fixed projection fixing by the safety strap of portion;

In the reciprocal space of above-mentioned spatial portion, above-mentioned pin connects above-mentioned pin accepting groove and combines with above-mentioned spring, and above-mentioned safety belt lock button bar can flexibly be rotated.

2. the safety belt lock buckle device of automobile seat for children according to claim 1, is characterized in that,

Top at described safety belt lock catch body is formed with mounting groove;

Also comprise angle display part, described angle display part forms with the size corresponding with described mounting groove, is contained in described mounting groove;

Described angle display part has:

Angle show ontology, for showing the angular range that is applicable to installing described automobile seat for children; And

Guide housing, is located at the face that exposes of described angle show ontology, contains the pearl that can move.

3. the safety belt lock buckle device of automobile seat for children according to claim 1, is characterized in that,

One side of the bottom of described safety belt lock catch body is formed with support slot;

The corresponding position of the described support slot of described safety belt lock button bar is formed with supporting projections;

Described supporting projections is contained in described support slot, prevents that described safety strap from departing from from the bottom of described safety belt lock catch body.

4. the safety belt lock buckle device of automobile seat for children according to claim 1, is characterized in that, also comprises:

Handle, is formed on the bottom of described safety belt lock button bar, can with hand to the left and right direction rotate; And

Handle groove, to be formed on the bottom of described safety belt lock catch body corresponding to the size of handle, weares and teares because of the rotation of described handle for preventing.

5. the safety belt lock buckle device of automobile seat for children according to claim 1, is characterized in that,

One side of described bar resettlement section is formed with the spring hold down groove for spring described in fixed pedestal;

Described spring hold down groove is accommodated the terminal part of described spring, prevents that the terminal part of described spring is outstanding.

6. the safety belt lock buckle device of automobile seat for children according to claim 1, is characterized in that, a side of described safety belt lock catch body is also formed with at least one tapped bore for fixing described automobile seat for children.