Multi-point locking mechanism for automatically locking basket base

Abstract

The utility model discloses a multi-point locking mechanism for automatic locking of a basket base. The locking mechanism comprises a clamping groove plate, a movable plate, a rotating piece and an anchoring round bar. The number of the anchoring round bars is two, the anchoring round bars are fixedly connected with the lifting basket, the clamping groove plate is fixedly arranged on the lifting basket base, and the movable plate can move front and back relative to the clamping groove plate. The number of the rotating pieces is four, and the rotating pieces are fixed to the clamping groove plate through circular shafts and can rotate around the circular shafts. The clamping groove plate is provided with four long round opening clamping grooves with upward openings, the movable plate is provided with four long round opening clamping grooves in the horizontal direction, the two anchoring round bars simultaneously fall into the clamping groove plate to coincide with the circle center of the long round opening clamping grooves of the movable plate to define a locking ring space, and the lifting basket is locked. The anchoring round bars of the lifting basket must completely enter the corresponding correct positions to excite the corresponding locking mechanisms, linkage and mutual redundancy of four point positions are achieved through simple parts, and the situation that locking points are missing is completely eradicated.

Description

Technical Field

[0001] This utility model relates to the technical field of child safety seats. Background Technology

[0002] An infant car seat is a safety seat designed for young infants. Carrier-style child safety seats are small and easy to carry. They can also be mounted on a stroller. Since carrier-style child safety seats can be easily installed in both cars and strollers, ease of installation is crucial. The carrier base is normally fixed to the car. A special mechanism connects the carrier base and the carrier, allowing for quick locking and unlocking of the carrier.

[0003] The connection between the basket base and the basket needs to be very strong to ensure it remains locked even under extreme conditions such as dynamic impacts. In existing technologies, high-strength connections are easily formed, but installation is inconvenient or unlocking is difficult. For example, some basket bases require pushing a button to lock the basket. Furthermore, the lack of synchronization between locking points results in weak connection strength, leading to frequent instances of the basket detaching upon impact. Summary of the Invention

[0004] To address the technical problems of inconvenient installation, difficult unlocking, and asynchronous locking points in existing technologies, an automatic interlocking mechanism has been designed. When the basket is placed in the correct position, the automatic locking mechanism is triggered, completely locking at multiple points. When unlocking is required, the lock can be released with a single button, allowing the basket to be lifted from the base.

[0005] This utility model discloses an automatic locking multi-point locking mechanism for a basket base. The locking mechanism includes a slot plate, a movable plate, rotating plates, and anchoring rods. Two anchoring rods are provided, each fixedly connected to the basket. The slot plate is fixedly mounted on the basket base and cannot move. The movable plate can move back and forth relative to the slot plate. Four rotating plates are provided, fixed to the slot plate by a circular shaft, and can rotate around the shaft. The slot plate has four upward-opening elongated oval slots, and the movable plate has four horizontally oriented elongated oval slots. When two anchoring rods simultaneously fall into the slots on the slot plate and the movable plate, their centers coincide, forming a locking ring space, thus locking the basket. All anchoring rods must be in their correct positions; that is, both ends of each anchoring rod must be inserted into the bottom of the two upward-opening elongated oval slots on the slot plate to activate the corresponding locking mechanism. If any rod fails to reach the correct position, it must continue to move to the correct position for the spring to engage.

[0006] Four rotating pieces are respectively positioned near the four upward-facing elongated oval slots on the slot plate. The rotating pieces are L-shaped and have a long end and a short end. The movable plate is also provided with four locking grooves. The locking grooves are arranged horizontally side by side with the horizontal elongated oval slots, and the locking grooves and the horizontal elongated oval slots form an M-shape. In the locked state, the short end and the long end of the rotating pieces are respectively engaged with the opening end of the horizontal elongated oval slot and the locking groove on the movable plate to form a fitting state.

[0007] A spring is provided between the movable plate and the basket base. In the locked state, the rotating plate is horizontal. One end of the movable plate is fixed by the rotating plate, and the other end of the movable plate is under the pressure of the spring. The combined action of the two restricts the horizontal movement of the movable plate, and the basket stops in the locked state. The basket cannot be taken out and is in a fixed state.

[0008] Pull out the handle, and the handle will cause the movable plate to overcome the resistance of the spring. The rotating plate will disengage from the movable plate and be locked. The long end of the rotating plate will abut against the protruding edge between the locking groove of the movable plate and the horizontal elongated groove. At this time, the horizontal elongated groove will disengage from the entire area of ​​the upward elongated groove of the groove plate, and the original enclosed space will be released. The locked anchoring rod can be removed from the upward elongated groove of the groove plate. The basket and the basket base are in the unlocked state, and the basket can be taken out.

[0009] The automatic locking mechanism of the basket base also features two locking buttons to enhance the locking effect.

[0010] When the centers of the horizontal oblong groove on the movable plate and the upward oblong groove on the slot plate coincide to form a locking ring space, the handle fixed to the movable plate moves to this position, with the handle's square hole just above the button. The button head, under the action of the spring, passes through the handle's square hole, restricting horizontal movement and preventing the large backlash from the movable plate upon impact. This ensures that the locking system maintains its current locked state even upon impact, making it very stable.

[0011] In the enhanced locking mechanism, the second-lock button head passes through the square hole in the handle. Unlocking requires two steps to complete, preventing accidental locking due to abnormal external force pulling the handle. Step 1: Press the second-lock button downwards with your finger. The button moves below the square hole in the handle. Step 2: Pull the handle forward, causing the movable piece to leave the locking space, completing the unlocking. The second-lock button returns to the non-square hole area below the handle, entering the ready-to-activate state.

[0012] This utility model utilizes a basket base that automatically locks when the basket is placed in the predetermined position. The multi-point locking system reduces the risk of errors and ensures safe and convenient use. The locking points are redundant to prevent malfunctions. The entire connection mechanism is simple in structure, high in strength, easy to manufacture, and readily guarantees precision and reliability. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the unlocked state (initial state) of the automatic locking multi-point locking mechanism of the basket base.

[0014] Figure 2 This is a schematic diagram of the locked state of the automatic locking multi-point locking mechanism of the basket base (excluding the anchoring rod).

[0015] Figure 3 This is a schematic diagram of the double-lock installation device (to prevent misoperation) of the automatic locking multi-point locking mechanism for the basket base.

[0016] Figure label:

[0017] 1-Slot plate; 2-Modible plate; 3-Rotating piece; 4-Handle; 5-Double lock button; 6-Anchoring round bar. Detailed Implementation

[0018] The following is in conjunction with the appendix Figure 1 , Figure 2 and Figure 3 The following is a further description of the specific embodiments of this utility model. The direction refers to an example where the basket is horizontally placed on a car. The front, back, left, and right directions are based on the direction in which the handle is pulled outwards. The direction of movement of the two-lock button square hole is considered upwards.

[0019] An automatic locking multi-point locking mechanism for a basket base includes a slot plate 1, a movable plate 2, rotating plates 3, and anchoring rods 6. Two anchoring rods 6 are provided, each fixedly connected to the basket. The anchoring rods 6 are symmetrically arranged at the bottom of the basket. The slot plate 1 is fixedly mounted on the basket base and cannot move. The movable plate 2 can move back and forth relative to the slot plate 1. Four rotating plates 3 are provided and fixed to the slot plate 1 by a circular shaft. The rotating plates 3 can rotate around the shaft.

[0020] The slot plate 1 has four upward-facing elongated oval slots, and the movable plate 2 has four horizontal elongated oval slots. When the two anchoring rods 6 fall into the slots of the slot plate 1 and the movable plate 2 at the same time, they form a locking ring space and the basket is locked.

[0021] The anchoring rods 6 of the basket must all be in their correct positions. That is, both ends of each anchoring rod 6 must be inserted into the bottom of the two upward-facing elongated slots on the slot plate 1 to activate the corresponding locking mechanism. If any one of them fails to move to the correct position, it must continue to move to the correct position for the spring to lock.

[0022] Four rotating pieces 3 are respectively disposed near the four upward-facing elongated oval slots on the slot plate 1. The rotating pieces are L-shaped and have a long end and a short end. The movable plate 2 is also provided with four locking grooves. The locking grooves are arranged horizontally side by side with the horizontal elongated oval slots. The locking grooves are below the horizontal elongated oval slots and are M-shaped with the horizontal elongated oval slots. In the locked state, the short end and the long end of the rotating piece 3 are respectively engaged with the opening end of the horizontal elongated oval slot and the locking groove on the movable plate 2 to form a fitting state.

[0023] A spring is provided between the movable plate 2 and the basket base. In the locked state, the rotating plate 3 is in a horizontal state. One end of the movable plate 2 is fixed by the rotating plate 3, and the other end of the movable plate 2 is under the pressure of the spring. The combined action of the two restricts the horizontal movement of the movable plate 2, and the basket stops in the locked state. The basket cannot be taken out and is in a fixed state.

[0024] Pull the handle 4 outwards. The handle 4 drives the movable plate 2 to overcome the resistance of the spring. The rotating piece 3 disengages from the movable plate 2 and is locked. The long end of the rotating piece 3 abuts against the protruding edge between the locking groove of the movable plate and the horizontal elongated groove. At this time, the horizontal elongated groove disengages from the entire area of ​​the upward elongated groove of the groove plate. The original enclosed space is released, and the locked anchoring rod 6 can be removed from the upward elongated groove of the groove plate 1. The basket and the basket base are in the unlocked state, and the basket can be removed.

[0025] The automatic locking mechanism of the basket base also features two locking buttons 5 to enhance the locking effect and make the entire system safer and more reliable.

[0026] When the horizontal oblong groove of the movable plate 2 and the upward oblong groove of the groove plate are aligned and locked to form a locking ring space, the handle 4 fixed to the movable plate 2 moves to this position, with the square hole of the handle 4 positioned just above the double-lock button 5. The head of the double-lock button 5, under the action of the spring, passes through the square hole of the handle 4, restricting the horizontal movement of the handle 4 and preventing the huge recoil force from the movable plate 2 upon impact. This ensures that the locking system maintains its current locked state even upon impact, making it very stable.

[0027] In the enhanced locking mechanism, the head of the second-lock button 5 passes through the square hole of the handle 4. Unlocking requires two steps to complete, preventing accidental locking due to abnormal external force pulling the handle 5. Step 1: Press the second-lock button 5 downwards with your finger. The button 5 moves below the square hole surface of the handle 4. Step 2: Pull the handle 4 forward, causing the movable piece 2 to leave the locking space, completing the unlocking. The second-lock button 5 returns to the non-square hole area below the handle 4, entering the ready-to-activate state.

Claims

1. An automatic locking multi-point locking mechanism for the basket base, characterized in that: The locking mechanism includes a slot plate, a movable plate, a rotating plate, and anchoring rods. Two anchoring rods are provided, each fixedly connected to the basket. The slot plate is fixedly mounted on the basket base, and the movable plate can move back and forth relative to the slot plate. Four rotating plates are provided, fixed to the slot plate by a circular shaft, and can rotate around the shaft. The slot plate has four upward-opening elongated oval slots, and the movable plate has four horizontally oriented elongated oval slots. When two anchoring rods simultaneously fall into the elongated oval slots of the slot plate and the movable plate, coinciding with their centers, they form a locking ring space, locking the basket.

2. The automatic locking multi-point locking mechanism for the basket base according to claim 1, characterized in that: The four rotating pieces are respectively located near the four upward-facing elongated oval slots on the slot plate. The rotating pieces are L-shaped and have a long end and a short end. The movable plate is also provided with four locking grooves, which are arranged horizontally side by side with the horizontal elongated oval slots. In the locked state, the short end and the long end of the rotating pieces are respectively engaged with the opening end of the horizontal elongated oval slot and the locking groove on the movable plate.

3. The automatic locking multi-point locking mechanism for the basket base according to claim 2, characterized in that: A spring is provided between the movable plate and the basket base. In the locked state, the rotating plate is in a horizontal state. Under the pressure of the spring, the horizontal movement of the movable plate is restricted, and the basket stops in the locked state.

4. The automatic locking multi-point locking mechanism for the basket base according to claim 2, characterized in that: Pull out the handle, and the rotating plate disengages from the movable plate and locks itself. The long end of the rotating plate abuts against the protruding ridge between the locking groove of the movable plate and the horizontal elongated slot, and the basket and basket base are in the unlocked state.

5. The automatic locking multi-point locking mechanism for the basket base according to claim 4, characterized in that: Driven by the handle, the horizontal oblong slot of the movable plate disengages from the entire area of ​​the upward oblong slot of the slot plate, releasing the original enclosed space, and the locked anchoring rod can be removed from the upward oblong slot of the slot plate.

6. The automatic locking multi-point locking mechanism for the basket base according to claim 1, characterized in that: The locking mechanism is equipped with an anti-misoperation device. The basket base is connected to two locking buttons via springs, and the handle has a square hole. When the basket is locked, the heads of the two locking buttons are engaged in the square hole on the handle under the action of spring force, restricting the horizontal movement of the handle.

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