A child safety seat silencing device

Abstract

The present application relates to a kind of child safety seat mute device, including movable part and flexible suspension mechanism, the flexible suspension mechanism is connected with child safety seat, the flexible suspension mechanism supports the movable part, so that the movable part is suspended in flexible connection mode, to provide flexible activity space for the movable part.The child safety seat mute device of the present application is provided with a flexible suspension system with roller, the flexible suspension system makes the roller have flexible activity space, when external force exerts pressure on the roller, the roller can be adaptive movement within the range of flexible activity space, so as to eliminate the gap of different sizes generated after the assembly of various components of child safety seat, remove the abnormal sound generated when component slides, at the same time, the roller can rotate, and the roller and the movable part of child safety seat are rolling friction, reduce the damping.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of child safety seats, in particular to a child safety seat silencing device. BACKGROUND

[0002] The child safety seat, also known as child restraint system, is a seat specially designed for children of different ages or weights, installed in the car, which can effectively improve the safety of children riding in the car. In the case of car collision or sudden deceleration, it can reduce the impact on children and limit the movement of children's bodies to reduce their injuries and ensure the safety of children riding in the car.

[0003] The child safety seat usually includes a backrest, a base, a headrest, an ISOFIX system, etc. There are gaps of different sizes between the backrest and the base, the backrest and the headrest, and the ISOFIX system and the base after assembly, which reduces the stability, and when they move towards each other, the gaps will produce abnormal noise, affecting the user's experience. SUMMARY

[0004] The present application designs a child safety seat silencing device, which solves the technical problem that there are gaps of different sizes between the backrest and the base, the backrest and the headrest, and the ISOFIX system and the base after assembly, which reduces the stability, and when they move towards each other, the gaps will produce abnormal noise, affecting the user's experience.

[0005] In order to solve the above-mentioned technical problems, the present application adopts the following scheme:

[0006] A child safety seat silencing device, comprising a movable part and a flexible suspension mechanism, the flexible suspension mechanism is connected with the child safety seat, the flexible suspension mechanism supports the movable part, so that the movable part is suspended in a flexible connection mode, thereby providing a flexible movement space for the movable part.

[0007] Further, the flexible suspension mechanism is a flexible member or an elastic member or a pump.

[0008] Further, the material of the flexible member is polyurethane or polystyrene, the elastic member is a spring, a spring piece or a torsional spring, and the pump is an air pump or a hydraulic pump.

[0009] Further, the flexible suspension mechanism is a spring piece, one end of the spring piece is a support end, the other end of the spring piece is folded and suspended to form a movable end, and the movable part is connected with the movable end.

[0010] Further, it further comprises a base, the base is connected with the flexible suspension mechanism to support the flexible suspension mechanism.

[0011] Further, a limiting mechanism is arranged on the base for limiting the moving space of the movable element.

[0012] Further, the limiting mechanism is a limiting groove, the base is provided with a recess, the limiting groove is arranged in the recess, the movable element is connected with a limiting element, and the limiting groove cooperates with the limiting element to limit the flexible moving range of the movable element.

[0013] Further, the limiting element is a limiting rod, and the limiting groove is a long groove.

[0014] Further, the movable element is connected with the flexible suspension mechanism through the limiting rod.

[0015] Further, the movable element is a roller.

[0016] Further, an axle is arranged through the roller, and two ends of the axle are connected with flexible suspension mechanisms.

[0017] Further, the flexible suspension mechanisms are arranged in the recess of the base, two partitions are further arranged in the base, long slot holes are arranged on the partitions for the up-and-down movement of the axle, and the two ends of the axle pass through the long slot holes on the same side of the partitions.

[0018] Further, the flexible suspension mechanisms are elastic sheets, one end of the elastic sheet is a supporting end, the other end of the elastic sheet is folded to form a movable end, the two ends of the axle pass through the long slot holes on the same side of the partitions and abut against the movable ends of the elastic sheets on the same side, and the supporting end of the elastic sheet is connected with the bottom of the recess.

[0019] Further, the base is arranged at the connection between the base and the back of a child safety seat, or the connection between a headrest and the back of the child safety seat, or the connection between an ISOFIX and the base, and the child safety seat is provided with a mounting groove for mounting the base.

[0020] The child safety seat mute device has the following beneficial effects:

[0021] (1) The child safety seat mute device is provided with a roller with a flexible suspension system, the flexible suspension system enables the roller to have a flexible moving space, when an external force exerts pressure on the roller, the roller can move adaptively within the flexible moving space, thereby eliminating the gaps of different sizes generated after the assembly of components of the child safety seat, and eliminating the abnormal sound generated when the components slide, and meanwhile, the roller can rotate, the roller and the movable components of the child safety seat are in rolling friction, and the damping is reduced.

[0022] (2) The flexible suspension system of the child safety seat noise reduction device of the present invention is a U-shaped spring, which has the function of flexible support roller, and also has the characteristics of simple structure, low cost and simple process.

[0023] (3) The child safety seat noise reduction device of the present invention is provided with a base, which cooperates with the limiting plate. No additional fixed connection is required to restrict the two springs and rollers in the groove of the base. At the same time, it provides the rollers with flexible space to move up and down. The structure is simple, the functions are diverse, and it is suitable for mass production application. Attached Figure Description

[0024] Figure 1 Exploded view of the child safety seat noise reduction device of this invention;

[0025] Figure 2 : Cross-sectional view of the original state of the child safety seat noise reduction device of the present invention;

[0026] Figure 3 : Cross-sectional view of the child safety seat noise reduction device of the present invention in working state;

[0027] Figure 4 : Exploded view of the child safety seat noise reduction device of the present invention in its assembled state.

[0028] Explanation of reference numerals in the attached figures:

[0029] 1—Base; 2—Flexible suspension mechanism; 21—Support end; 22—Moving end; 3—Moving part; 4—Limiting groove; 5—Limiting part; 6—Partition; 7—Base; 8—Backrest; 9—Blocking part; 10—Mounting groove. Detailed Implementation

[0030] The following is combined Figures 1 to 4 The present invention will be further described as follows:

[0031] like Figure 1 As shown, a child safety seat noise reduction device includes a movable component 3 and a flexible suspension mechanism 2. The flexible suspension mechanism 2 is connected to the child safety seat and supports the movable component 3, so that the movable component 3 is suspended in a flexible connection manner, thereby providing flexible movement space for the movable component 3.

[0032] The flexible suspension mechanism 2 is a flexible component, an elastic component, or a pump; the flexible component is made of polyurethane or polystyrene, the elastic component is a spring, a spring sheet, or a torsion spring, and the pump is an air pump or a hydraulic pump; preferably, the flexible suspension mechanism 2 is a spring sheet, the spring sheet is U-shaped, the two arms of the U-shape can be of different lengths, one end of the spring sheet is a support end 21, and the other end of the spring sheet is folded over and suspended to form a movable end 22, and the movable component 3 is connected to the movable end 22.

[0033] It also includes a base 1, which is connected to the flexible suspension mechanism 2 to support it. The base 1 is provided with a limiting mechanism to restrict the movement space of the movable member 3. The limiting mechanism is a limiting groove 4, and the base 1 has a groove in which the limiting groove 4 is located. The movable member 3 is connected to a limiting member 5, and the limiting groove 4 cooperates with the limiting member 5 to limit the flexible movement range of the movable member 3. Preferably, the limiting member 5 is a limiting rod, and the limiting groove 4 is an elongated groove. The movable member 3 is connected to the flexible suspension mechanism 2 through the limiting rod.

[0034] Preferably, the base 1 has a groove, and two longitudinally arranged partitions 6 are provided in the groove. The two partitions 6 divide the groove into three cavities. The movable part 3 is a roller, which is located in the cavity in the middle of the groove. A wheel axle is provided through the roller. Each partition 6 has a long slot hole for the wheel axle on the same side to pass through. After the two ends of the wheel axle pass through the long slot hole, they are located above the spring piece set in the groove and abut against the movable end 22 of the spring piece on the same side. The supporting end 21 of the spring piece abuts against the bottom of the groove.

[0035] The bottom of the groove of the base 1 is provided with a blocking part 9 for preventing the movement of the end of the support end 21 of the spring piece.

[0036] like Figure 4 As shown, the base 1 is located at the connection between the base 7 and the backrest 8 of the child safety seat; or at the connection between the headrest and the backrest 8; or at the connection between the ISOFIX and the base 7. The child safety seat has a mounting groove 10 for mounting the base 1. The base 1 is located in the mounting groove 10. In the original state, only the upper end of the roller is exposed in the groove of the mounting groove 10.

[0037] The working principle of this invention is as follows:

[0038] like Figure 2 As shown, in the original state, the support end 21 of the spring is supported by the bottom of the groove of the base 1. The distance between the movable end 22 of the spring and the support end 21 is large. The upper side of the movable end 22 abuts against the axle. Under the support of the movable end 22, the upper end of the axle abuts against the upper groove wall of the long slot on the partition 6. The upper side of the roller is exposed to the groove opening of the base 1.

[0039] like Figure 3 As shown, in the working state, the support end 22 of the spring is supported by the bottom of the groove of the base 1 and is blocked by the blocking part 9 from moving downward or horizontally. The upper end of the roller moves downward under the pressure of the backrest 8. The roller drives the wheel shaft to move downward. The two ends of the wheel shaft compress the movable end 22 of the spring located below it, causing the movable end 22 to move downward. The distance between the movable end 22 and the support end 21 is reduced. The rebound force of the movable end 22 after being compressed makes the roller and the backrest 8 always abut against each other, thereby eliminating the gap.

[0040] The application is described above with reference to the drawings, and it is obvious that the implementation of the application is not limited by the above manner, as long as various improvements are made by using the method concept and technical scheme of the application, or the concept and technical scheme of the application is directly applied to other occasions without improvement, which are all within the protection scope of the application.

Claims

1. A child safety seat quieting device, characterized by: The utility model provides a child safety seat, which comprises a movable part (3) and a flexible suspension mechanism (2), wherein the flexible suspension mechanism (2) is connected with the child safety seat, the flexible suspension mechanism (2) supports the movable part (3), the movable part (3) is suspended in a flexible connection mode, thereby providing a flexible movement space for the movable part (3), and the child safety seat further comprises a base (1) connected with the flexible suspension mechanism (2) to support the flexible suspension mechanism (2), the base (1) is provided with a limiting mechanism for limiting the movement space of the movable part (3), the limiting mechanism is a limiting groove (4), the base (1) is provided with a groove, the limiting groove (4) is arranged in the groove, the movable part (3) is connected with a limiting part (5), the limiting groove (4) is matched with the limiting part (5) to limit the flexible movement range of the movable part (3), the movable part (3) is a roller, and the base (1) is arranged at the connection position of a base (7) and a backrest (8) of the child safety seat, or the connection position of a headrest and the backrest (8), or the connection position of an ISOFIX and the base (7), the child safety seat is provided with a mounting groove (10) for mounting the base (1), the base (1) is arranged in the mounting groove (10), and in the original state, only the upper end of the roller is exposed from the slot of the mounting groove (10). The flexible suspension mechanism (2) is a flexible part or an elastic part or a pump.

2. The child safety seat silencing device of claim 1, wherein: The flexible part is made of polyurethane or polystyrene, the elastic part is a spring, a spring piece or a torsion spring, and the pump is an air pump or a hydraulic pump.

3. A child safety seat silencing device according to claim 2, wherein: The flexible suspension mechanism (2) is a spring piece, one end of the spring piece is a supporting end (21), the other end of the spring piece is folded to form a movable end (22), and the movable part (3) is connected with the movable end (22).

4. A child safety seat silencing device according to claim 3, wherein: The limiting part (5) is a limiting rod, and the limiting groove (4) is a long groove.

5. The child safety seat silencing device of claim 1, wherein: The movable part (3) is connected with the flexible suspension mechanism (2) through the limiting rod.

6. A child safety seat silencing device according to claim 5, wherein: An axle is arranged through the roller, and two ends of the axle are connected with flexible suspension mechanisms (2) respectively.

7. The child safety seat silencing device of claim 1, wherein: The flexible suspension mechanism (2) is arranged in the groove of the base (1), two partitions (6) are further arranged in the base (1), long groove holes are formed in the partitions (6) and used for the up-down movement of the axle, and the two ends of the axle pass through the long groove holes in the same side of the partitions (6) respectively.

8. A child safety seat silencing device according to claim 7, wherein: The flexible suspension mechanism (2) is a spring piece, one end of the spring piece is a supporting end (21), the other end of the spring piece is folded to form a movable end (22), the two ends of the axle pass through the long groove holes in the same side of the partitions (6) respectively, and the two ends of the axle abut against the movable ends (22) of the spring pieces on the same side, and the supporting ends (21) of the spring pieces are connected with the bottom of the groove.

9. A child safety seat silencing device according to claim 8, wherein: ​

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