System for controlling upper pull belt alarm switch based on belt buckle storage

By installing a top strap alarm switch system with buckle storage control on the child safety seat, and utilizing a normally closed trigger switch and buckle storage compartment, the alarm is automatically turned off when the top strap is not in use. This solves the problem of having to turn off the main power supply in existing technologies and ensures the safety of the seat.

CN223590588UActive Publication Date: 2025-11-25YANGZHOU LETTAS BABY PROD CO LTD
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Patent Information

Application Number
CN202423198699.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-25
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

The existing child safety seat's pull-up strap alarm circuit requires the main power to be turned off when not in use, which affects the safe use of the seat and cannot effectively turn off the alarm when the pull-up strap is not in use.

Method used

Design a pull-up alarm switch system based on buckle storage control. By setting first and second normally closed trigger switches on the child safety seat, and using the normally closed trigger switch in the buckle storage compartment and the plug plate on the buckle female buckle, the alarm can be automatically turned off.

Benefits of technology

When the top strap assembly is not in use, the alarm is automatically turned off by placing the buckle in the storage compartment and triggering the switch, thus preventing the alarm from constantly sounding and ensuring the safe use of the seat.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a system for controlling an upper pull belt alarm switch based on belt buckle storage, and relates to the technical field of child safety seats. Comprising a child safety seat, a top drawstring assembly and a child safety belt assembly are arranged on the child safety seat, the top drawstring assembly is used for fixedly connecting the child safety seat with an automobile, and the child safety belt assembly is used for limiting a child on the child safety seat; the child safety seat is further provided with a first alarm, a power source, a first normally-closed trigger switch triggered when the top drawstring assembly is fixedly connected with the automobile, and a second normally-closed trigger switch used for controlling the first alarm. When the top drawstring assembly does not need to be used, the belt buckle of the child safety belt assembly is buckled, the female buckle of the belt buckle is arranged in the belt buckle containing bin, and the second normally-closed trigger switch is triggered, so that the first alarm can be turned off, and the first alarm is prevented from being in an alarm state all the time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to children's safety seat technical field, specifically is a system based on the system of taking up the alarm switch of the upper pull belt of buckle storage control. BACKGROUND

[0002] The upper pull belt alarm and closing of general safety seat are realized through the general switch, and the upper pull belt is an anti-overturning device of the safety seat, which is generally suitable for children under the age of 3 and needs to be used with the buckle assembly.

[0003] Patent No. CN117774789A discloses a child safety seat locking warning method and a child safety seat, an alarm circuit is arranged on the child safety seat, the alarm circuit comprises a warning lamp and a buzzer, the warning lamp and the buzzer are connected in series, two travel switches are further arranged in the alarm circuit, one of the two travel switches is set as normally open, and the other travel switch is set as normally closed, the two travel switches are connected in series in the alarm circuit, a top pull belt assembly is arranged on the child safety seat, the top pull belt assembly is used for fixedly connecting the child safety seat and a car, the normally closed travel switch is arranged on the top pull belt assembly, when a signal that a child is in the child safety seat is received, the normally open travel switch is closed, the alarm circuit is powered on, the warning lamp and the buzzer start alarming, and when the top pull belt assembly is buckled, the normally closed travel switch in the top pull belt assembly is opened, the alarm circuit is powered off, and the alarm is released.

[0004] The alarm circuit, when the upper pull belt is not used, the upper pull belt is in a loosened state, at this time, if the alarm circuit needs to be closed, the general power supply needs to be turned off, and after the general power supply is turned off, the alarm circuit loses the alarm function, thereby affecting the safe use of the seat. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a system based on the system of taking up the alarm switch of the upper pull belt of buckle storage control, which can effectively solve the problems in the background art.

[0006] The technical scheme for realizing the above-mentioned purpose is as follows: a system based on the system of taking up the alarm switch of the upper pull belt of buckle storage control, comprising a child safety seat, wherein a top pull belt assembly and a child safety belt assembly are arranged on the child safety seat, the top pull belt assembly is used for fixedly connecting the child safety seat and a car, and the child safety belt assembly is used for limiting a child on the child safety seat.

[0007] The child safety seat is further provided with a first alarm, a power supply, a first normally closed trigger switch triggered when the top pull belt assembly is fixedly connected with the car, and a second normally closed trigger switch used for controlling the first alarm.

[0008] The power supply, the first alarm, the first normally closed trigger switch and the second normally closed trigger switch are connected in series.

[0009] Further, the chair seat is provided with a buckle storage bin, the second normally closed trigger switch is installed in the side wall of the buckle storage bin, and the buckle of the child safety belt assembly is placed in the buckle storage bin and triggers the second normally closed trigger switch when placed in the buckle storage bin.

[0010] Further, the child safety seat comprises a chair seat and a chair back connected to the chair seat, the top pull belt assembly comprises a round rod fixedly arranged on the inner frame of the chair back, a sliding groove is arranged on the inner frame of the chair back below the round rod, a sliding block is slidably arranged in the sliding groove, a spring for downward resetting of the sliding block is arranged between the bottom end of the sliding block and the sliding groove, and the first normally closed trigger switch is installed in the side wall of the sliding groove and controlled to trigger by upward and downward sliding of the sliding block.

[0011] The top of the sliding block is provided with a belt passing hole, a pull belt is passed through the belt passing hole, one end of the pull belt is fixed to the round rod, the other end of the pull belt is passed out of the belt passing hole and the chair back and used for connecting the automobile.

[0012] Further, the child safety belt assembly comprises a safety belt fixed at one end to the chair back, a buckle female buckle is connected to the chair seat, a buckle male buckle is arranged at the other end of the safety belt and matched and clamped with the buckle female buckle, and the buckle female buckle and the buckle male buckle in the plugged state are detachably arranged in the buckle storage bin.

[0013] Further, the child safety belt assembly is further provided with a second alarm, a third normally closed trigger switch is arranged in the buckle female buckle, a plug plate is arranged on the buckle male buckle, the plug plate is inserted into the buckle female buckle, the third normally closed trigger switch is driven to be turned off, and the second alarm is powered off.

[0014] Further, the first normally closed trigger switch, the second normally closed trigger switch and the third normally closed trigger switch are one of a micro switch, a travel switch, an infrared induction switch and a pressure induction switch.

[0015] The child safety belt assembly is buckled, the buckle female buckle is placed in the buckle storage bin, the second normally closed trigger switch is triggered, the first alarm can be turned off, and the first alarm is prevented from being always in an alarm state when the top pull belt assembly is not used. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the utility model;

[0017] Figure 2 It is a principle diagram of the system of the pull belt alarm switch of the utility model;

[0018] Figure 3The utility model discloses top pull belt assembly's installation state structure schematic diagram.

[0019] Figure 4 It is the sectional view of buckle storage bin.

[0020] Figure 5 It is the control principle diagram of the utility model. Specific implementation

[0021] As Figures 1-5 The utility model discloses child safety seat 1, child safety seat 1 on be provided with top pull belt assembly 2 and child safety belt assembly 3, top pull belt assembly 2 is used for connecting fixedly with the car of child safety seat, and child safety belt assembly 3 is used for limiting the child on child safety seat 1.

[0022] Child safety seat 1 includes seat 1.1 and the chair back 1.2 that are connected on seat 1.1, top pull belt assembly 2 includes the round rod 2.1 that is fixedly arranged on the inner framework 1.3 of chair back 1.2, the inner framework 1.3 below round rod 2.1 is provided with the sliding slot 2.2, the sliding block 2.3 is slidably arranged in sliding slot 2.2, the bottom end between sliding block 2.3 and sliding slot 2.2 is provided with the spring 2.4 for the downward reset of sliding block 2.3, the top of sliding block 2.3 is provided with the through belt hole 2.5, and the pull belt 2.6 is inserted into the through belt hole 2.5, one end of pull belt 2.6 is fixed with round rod 2.1, the other end is inserted into chair back 1.2 and sliding block 2.3 and is used for connecting the car.

[0023] First normally closed trigger switch 4 is installed in sliding slot 2.2 and is controlled to trigger through the up-down sliding of sliding block 2.3.

[0024] First normally closed trigger switch 4 can but not limited to adopt one of microswitch, travel switch, infrared induction switch, pressure induction switch, and the microswitch is adopted in the embodiment, specifically, the convex part 2.7 is arranged on the side of the trigger end of first normally closed trigger switch 4 of sliding block 2.3, and the inner recess 2.8 is arranged on the sliding block 2.3 above convex part 2.7, in the absence of external force, sliding block 2.3 is in the lower side, and the trigger end of first normally closed trigger switch 4 corresponds with the position of inner recess 2.7 and is in the non-trigger state, when pull belt 2.6 is tightened, sliding block 2.3 is driven to go up, and first normally closed trigger switch 4 is triggered through convex part 2.7.

[0025] The middle of seat 1 is provided with buckle storage bin 5, and child safety belt assembly 3 includes a safety belt (not shown in the drawing) fixed at one end on chair back 1.2, and the other end of the safety belt is provided with a buckle male buckle matched with the clamping of a buckle female buckle, and the buckle male buckle and the buckle female buckle in the plug-in state are detachably arranged in the buckle storage bin 5.

[0026] The second normally closed trigger switch 6 is embedded in the side wall of the buckle storage bin 5. The second normally closed trigger switch 6 can be, but is not limited to, one of a micro switch, a travel switch, an infrared induction switch, and a pressure induction switch. In this embodiment, a micro switch is used. Specifically, the trigger end of the second normally closed trigger switch 6 protrudes into the buckle storage bin 5. When the buckle female buckle 3.1 is clamped into the buckle storage bin 5, the second normally closed trigger switch 6 is triggered.

[0027] The child safety belt assembly is also provided with a second alarm. A third normally closed trigger switch is arranged in the buckle female buckle. A plug plate is arranged on the buckle male buckle. When the plug plate is inserted into the buckle female buckle, the third normally closed trigger switch is driven to be turned off, and the second alarm is powered off (the installation structure and triggering principle of the second alarm and the third normally closed trigger switch are disclosed in the patent entitled “Child safety seat locking warning method and child safety seat (CN117774789A)”. Therefore, they will not be described here.

[0028] The child safety seat 1 is also provided with a first alarm 7 and a power supply 8 (the arrangement position is prior art). The power supply 8, the first alarm 7, the first normally closed trigger switch 4, and the second normally closed trigger switch 6 are connected in series. The second alarm can share the power supply with the first alarm 7 or be independently powered.

[0029] Working process: when the power supply is turned on, the first alarm 7 alarms.

[0030] When the top pull belt assembly 2 is fixedly connected with the automobile, the pull belt 2.6 is pulled tight, driving the sliding block 2.3 to move upward and compressing the spring 2.4. The sliding block 2.3 triggers the first normally closed trigger switch 4 upward, and the first alarm 7 stops alarming.

[0031] When the top pull belt assembly 2 is not used, the pull belt 2.6 is in a loose state. At this time, if you want to turn off the first alarm 7, you do not need to turn off the power supply. You only need to connect the buckle female buckle 3.1 with the buckle male buckle and store them in the buckle storage bin 5, trigger the second normally closed trigger switch 6, and the first alarm 7 will stop alarming.

Claims

1. A system for controlling the pull-up of a warning switch by a buckle, comprising a child safety seat, wherein a top strap assembly and a child safety belt assembly are arranged on the child safety seat, the top strap assembly is used to fix the child safety seat to a car, and the child safety belt assembly is used to restrict a child on the child safety seat; a first alarm, a power supply, a first normally closed trigger switch triggered when the top strap assembly is fixed to the car, and a second normally closed trigger switch used to control the first alarm are arranged on the child safety seat; the power supply, the first alarm, the first normally closed trigger switch, and the second normally closed trigger switch are connected in series. characterized in that A buckle storage bin is arranged on a seat of the child safety seat, and the second normally closed trigger switch is arranged in the buckle storage bin, wherein a buckle of the child safety belt assembly is arranged in the buckle storage bin and triggers the second normally closed trigger switch when arranged in the buckle storage bin. The child safety seat comprises a seat and a back connected to the seat, the top strap assembly comprises a round rod fixed to an inner frame of the back, a sliding groove is arranged on the inner frame below the round rod, a sliding block is arranged in the sliding groove, a spring is arranged between the bottom end of the sliding block and the sliding groove to reset the sliding block downward, and the first normally closed trigger switch is arranged in a side wall of the sliding groove and triggered by the up-and-down sliding of the sliding block.

2. A system for controlling a pull-up strap alarm switch based on a buckle according to claim 1, characterized in that: A through hole is arranged on the top of the sliding block, a strap is arranged in the through hole, one end of the strap is fixed to the round rod, and the other end of the strap is arranged outside the through hole and the back and used to connect the car.

3. A system for securing a control strap pull-up strap alarm switch based on a buckle according to claim 1, characterized in that: The child safety belt assembly comprises a safety belt fixed to the back, a buckle female buckle arranged on the seat, and a buckle male buckle arranged on the other end of the safety belt and matched with the buckle female buckle, wherein the buckle female buckle and the buckle male buckle in the inserted state are arranged in the buckle storage bin in a detachable manner. The child safety belt assembly further comprises a second alarm, a third normally closed trigger switch arranged in the buckle female buckle, and a plug arranged on the buckle male buckle, wherein the plug drives the third normally closed trigger switch to be turned off when the plug is inserted into the buckle female buckle, and the second alarm is powered off.

4. A system for controlling a pull-up strap alarm switch based on a buckle according to claim 2, characterized in that: The first normally closed trigger switch, the second normally closed trigger switch, and the third normally closed trigger switch are one of a micro switch, a travel switch, an infrared sensor, and a pressure sensor.

5. A system for securing a control-pull strap alarm switch based on a buckle according to claim 4, characterized in that: ​ 6. A system for controlling the up-pulling of a belt based on the storage of a buckle, according to claim 5, characterized in that: ​

Citation Information

Patent Citations

  • Child safety seat locking warning method and child safety seat

    CN117774789A