Lock catch for automobile child safety seat

Abstract

The utility model discloses a lock catch for an automobile child safety seat, which comprises a safety seat body, straps, a connecting belt, a lock catch component and a waistband component, and the lock catch component comprises a fixing belt, a lock catch plate, a connecting plate, a lock box, a connecting rod, a clamping disc, a pull ring and a supporting spring. The waistband assembly comprises a connecting base, a fixing groove, a waist bandage, a lock catch head, a telescopic spring and a movable buckle. The utility model belongs to the technical field of child safety seats, each group of clamping discs can be driven to move through extension of a supporting spring to clamp a lock catch plate on the side wall of a lock box, so that a fixing belt is conveniently locked at the bottom to prevent a child from touching the lock catch by mistake to open the lock catch; the telescopic spring retracts to drive the movable buckle to move and be inserted into the fixing groove, so that the waist bandage is conveniently fixed to the waist of the child, and the legs of the child sitting unstably are prevented from sliding downwards.

Description

Technical Field

[0001] The utility model belongs to the technical field of child safety seats, in particular to a lock buckle for a child safety seat of a car. Background Art

[0002] A child safety seat is designed for children of different weights or ages and is installed in a car to effectively improve the safety of children. In the event of a car collision or sudden deceleration, it can reduce the impact on the child and restrict the movement of the child's body, thereby reducing the harm to them.

[0003] At present, the buckle for child safety seats is one of the main structures for realizing the safety function of child safety seats. The seat belts in common child safety seats are usually arranged in a Y shape, which is inconvenient to fix the waist of the child and easily causes the legs of the child who is sitting unsteadily to slide down. In addition, the seat belt connection buckle is in front of the child, and the common seat belt buckle is locked and unlocked by only one button, which makes it easy for the seat belt to be unlocked by mistake during the child's playing, forming a safety hazard. Therefore, there is an urgent need for a buckle for a car child safety seat to solve the above problems. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing child safety seats for cars have a single lock buckle which is easy to be opened by children by accident, and the safety belt in the child safety seat is Y-shaped which is inconvenient to fix the waist of the child and is easy to cause the legs to slide down.

[0005] In order to achieve the above functions, the technical solution adopted by the utility model is as follows: a lock for a car child safety seat, including a safety seat body, and a shoulder strap fixedly arranged on the top of the safety seat body, a connecting belt fixedly connected to the shoulder strap, a lock assembly, the lock assembly is arranged at the bottom of the connecting belt, and a waist belt assembly is arranged on the connecting belt.

[0006] In order to smoothly achieve the purpose of setting multiple unlocking points for the lock of the child safety seat to prevent children from accidentally touching it, the lock assembly includes a fixing belt fixedly connected to the bottom of the connecting belt, a lock plate is fixedly provided at the bottom of the fixing belt, a connecting plate is fixedly provided on the bottom side wall of the safety seat body, a lock box is fixedly connected to the connecting plate, a connecting rod is slidably provided on the side wall of the lock box, a clamping disk is fixedly connected to one end of the connecting rod, a pull ring is fixedly provided at the other end of the connecting rod, and a support spring fixedly connected to one side wall of the lock box is connected to the clamping disk.

[0007] In order to smoothly and conveniently fix the child's waist and prevent the legs of the child who is sitting unsteadily from sliding down, the waist belt assembly includes a connecting seat fixedly connected to the side wall of the safety seat body, a fixing groove is fixedly provided on the connecting seat, a waist strap is fixedly connected to the connecting belt, a locking head is fixedly provided at the end of the waist strap, a telescopic spring is provided on the side wall of the locking head, and a movable buckle is fixedly provided on the telescopic spring.

[0008] Furthermore, a baffle is fixedly provided on the top of the lock box, and openings are provided on the top wall and the bottom wall of the fixing groove.

[0009] Furthermore, the shoulder straps are symmetrically arranged at two ends of the connecting belt, the waist straps are symmetrically arranged at two ends of the connecting belt, and the connecting seat and the fixing groove are symmetrically arranged at two ends of the safety seat body.

[0010] Preferably, the safety seat body is L-shaped, the clamping plate is circular, the pull ring is annular, and the connecting seat is L-shaped.

[0011] The beneficial effects achieved by the utility model using the above structure are as follows:

[0012] 1. The extension of the support spring can drive each group of clamping disks to move and clamp the lock plate on the side wall of the lock box, so as to lock the fixing belt at the bottom to prevent children from accidentally opening the lock;

[0013] 2. By contracting the telescopic spring, the movable buckle is driven to move and inserted into the fixed groove, so that the waist strap can be conveniently fixed on the child's waist to prevent the legs of the child who is sitting unsteadily from sliding down. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a lock for a child safety seat in a car proposed in this solution;

[0015] Figure 2 This is a schematic diagram of the structure of a lock for a child safety seat in a car from another angle proposed in this solution;

[0016] Figure 3 A cross-sectional view of a buckle for a child safety seat in a car proposed in this solution;

[0017] Figure 4 This is a cross-sectional view from another angle of a lock for a child safety seat in a car proposed in this solution.

[0018] Among them, 1. Safety seat body; 2. Straps; 3. Connecting belts; 4. Buckle assembly; 5. Waist belt assembly; 6. Fixed belt; 7. Buckle plate; 8. Connecting plate; 9. Lock box; 10. Connecting rod; 11. Clamping disk; 12. Pull ring; 13. Support spring; 14. Connecting seat; 15. Fixing slot; 16. Waist strap; 17. Buckle head; 18. Telescopic spring; 19. Moving buckle.

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] like Figure 1 As shown, in order to achieve the above functions, the technical solution adopted by the utility model is as follows: a lock for a car child safety seat, comprising a safety seat body 1, the safety seat body 1 is arranged in an L shape, and a strap 2 fixedly arranged on the top of the safety seat body 1, a connecting belt 3 is fixedly connected to the strap 2, and the strap 2 is symmetrically arranged at both ends of the connecting belt 3, and also includes a lock component 4, the lock component 4 is arranged at the bottom of the connecting belt 3, and also includes a waist belt component 5, and the waist belt component 5 is arranged on the connecting belt 3.

[0022] like Figure 2-3 As shown, the lock assembly 4 includes a fixing belt 6 fixedly connected to the bottom of the connecting belt 3, a lock plate 7 is fixedly arranged at the bottom of the fixing belt 6, a connecting plate 8 is fixedly arranged on the bottom side wall of the safety seat body 1, a lock box 9 is fixedly connected to the connecting plate 8, a baffle plate is fixedly arranged on the top of the lock box 9, a connecting rod 10 is slidingly provided on the side wall of the lock box 9, a clamping disk 11 is fixedly connected to one end of the connecting rod 10, the clamping disk 11 is arranged in a circular shape, a pull ring 12 is fixedly arranged at the other end of the connecting rod 10, the pull ring 12 is arranged in a circular shape, and a support spring 13 fixedly connected to one side wall of the lock box 9 is connected to the clamping disk 11.

[0023] like Figure 4As shown, the waist belt assembly 5 includes a connecting seat 14 fixedly connected to the side wall of the safety seat body 1, the connecting seat 14 is L-shaped, a fixing groove 15 is fixedly provided on the connecting seat 14, the fixing groove 15 has openings on the top wall and the bottom wall, the connecting seat 14 and the fixing groove 15 are symmetrically arranged at the two ends of the safety seat body 1, a waist strap 16 is fixedly connected to the connecting belt 3, the waist strap 16 is symmetrically arranged at the two ends of the connecting belt 3, a locking head 17 is fixedly provided at the end of the waist strap 16, a telescopic spring 18 is provided on the side wall of the locking head 17, and a movable buckle 19 is fixedly provided on the telescopic spring 18.

[0024] When in use, the user simultaneously grasps the three groups of pull rings 12 and pulls them outwards, which drives the clamping disk 11 to move and compress the supporting spring 13, and then extends the locking plate 7 into the interior from the gap above the locking box 9, and then releases the three groups of pull rings 12, so that the supporting spring 13 stretches and drives the clamping disk 11 to move toward the locking plate 7 and clamps the locking plate 7 on the side wall of the locking box 9. Since the three groups of pull rings 12 need to be pulled at the same time to remove the locking plate 7, the purpose of preventing the child from accidentally touching the unlocking can be achieved. Then, the waist strap 16 is wrapped around the child's waist, and then the two groups of movable buckles 19 are pressed to drive the two groups of telescopic springs 18 to compress, and then the movable buckle 19 is extended into the fixing groove 15, and the locking buckle head 17 is completely entered into the fixing groove 15. After that, the movable buckle 19 is released, and then the telescopic spring 18 stretches and drives the movable buckle 19 to move and buckle on the fixing groove 15, so as to facilitate the fixing of the waist strap 16. The above is the entire use process of the lock for the entire car child safety seat.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0027] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A buckle for a child safety seat in a car, comprising a safety seat body, and a shoulder strap fixedly arranged on the top of the safety seat body, wherein a connecting belt is fixedly connected to the shoulder strap, and characterized in that: It also includes a buckle assembly, which is arranged at the bottom of the connecting belt, and a waist belt assembly, which is arranged on the connecting belt.

2. A buckle for a child safety seat for a car according to claim 1, characterized in that: The lock assembly includes a fixing belt fixedly connected to the bottom of the connecting belt, a locking plate is fixedly provided at the bottom of the fixing belt, a connecting plate is fixedly provided on the bottom side wall of the safety seat body, a lock box is fixedly connected to the connecting plate, a connecting rod is slidingly provided on the side wall of the lock box, a clamping disk is fixedly connected to one end of the connecting rod, a pull ring is fixedly provided at the other end of the connecting rod, and a supporting spring fixedly connected to one side wall of the lock box is connected to the clamping disk.

3. A buckle for a child safety seat for a car according to claim 2, characterized in that: The waist belt assembly includes a connecting seat fixedly connected to the side wall of the safety seat body, a fixing groove is fixedly provided on the connecting seat, a waist strap is fixedly connected to the connecting belt, a locking head is fixedly provided at the end of the waist strap, a telescopic spring is provided on the side wall of the locking head, and a movable buckle is fixedly provided on the telescopic spring.

4. A buckle for a child safety seat for a car according to claim 3, characterized in that: A baffle is fixedly provided on the top of the lock box, and openings are provided on the top wall and the bottom wall of the fixing groove.

5. A buckle for a child safety seat for a car according to claim 4, characterized in that: The shoulder straps are symmetrically arranged at the two ends of the connecting belt, the waist straps are symmetrically arranged at the two ends of the connecting belt, and the connecting seat and the fixing groove are symmetrically arranged at the two ends of the safety seat body.

6. A buckle for a child safety seat for a car according to claim 5, characterized in that: The safety seat body is arranged in an L shape, the clamping plate is arranged in a circular shape, the pull ring is arranged in a circular ring shape, and the connecting seat is arranged in an L shape.

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