Novel baby crib bottom middle seat mechanism

Abstract

The utility model discloses a novel crib bottom middle seat mechanism which comprises a middle seat body, four bottom fork pipes and a lock column, one end of each bottom fork pipe is rotatably connected with the middle seat body, the other end of each bottom fork pipe is used for being rotatably connected with a leg frame of a crib, and the lock column is slidably connected with the middle seat body; when the lock column vertically moves along the middle seat body, locking assemblies are arranged between the bottom fork pipes symmetrically arranged on the two sides of the lock column and the lock column. The bottom middle seat mechanism is mainly composed of the middle seat body, the four bottom fork pipes and the locking column, and when the four bottom fork pipes are folded towards the middle seat body and drawn close to the middle seat body, the bottom fork pipes are unlocked through the locking assemblies, so that the middle seat body and the bottom fork pipes rotationally connected with the middle seat body are folded and drawn close to each other; and the bottom fork pipe and the lock column are locked through the locking assembly, so that the bottom fork pipe is opened towards the middle seat body, and the bottom fork pipe has the advantages of being simple in structure, convenient to operate and high in durability.

Description

Technical Field

[0001] This utility model relates to the field of baby crib component technology, specifically to a novel baby crib bottom seat mechanism. Background Technology

[0002] Existing folding cribs typically achieve their folding function through a structure where the bottom center seat and bottom fork tube are rotatably connected. For example, patent CN217827349U proposes a crib base structure that uses a return spring to fold and unfold the bottom fork tube. However, this structure has the following drawbacks:

[0003] 1. Relying on spring reset, the components require high installation precision and the assembly is cumbersome;

[0004] 2. After long-term use, the spring is prone to fatigue, leading to unstable locking;

[0005] 3. The operation steps are complicated and inconvenient for users.

[0006] Therefore, there is an urgent need for a simple, easy-to-operate, and stable locking mechanism for the bottom seat of a crib. Utility Model Content

[0007] The purpose of this utility model is to provide a new type of bottom seat mechanism for baby cribs, which solves the problems of complex structure, inconvenient operation and unstable locking in the prior art by optimizing the design of the locking components.

[0008] The objective of this utility model can be achieved through the following technical solutions:

[0009] A novel crib base support mechanism includes:

[0010] middle body;

[0011] Four bottom fork tubes, one end of each bottom fork tube is rotatably connected to the central seat body, and the other end is used to rotatably connect to the crib leg frame;

[0012] Locking pin, which is slidably connected to the middle seat body;

[0013] When the locking pin moves vertically along the middle seat, a locking assembly is provided between the bottom fork tubes symmetrically arranged on both sides of the locking pin and the locking pin.

[0014] As a further embodiment of this utility model: the locking assembly includes a side latch and a center latch, the side latch is slidably connected to the end of the bottom fork tube, and the center latch is laterally inserted and connected to the top of the locking pin, with the two ends of the center latch respectively used to abut against the side latch.

[0015] As a further embodiment of this utility model: there is an upper and lower adaptive guide slope between the side latch and the center latch.

[0016] As a further embodiment of this utility model: the side locking tongue has a sliding hole for slidingly connecting the pin along its length direction, and the end of the bottom fork tube is rotatably connected to the pin groove on the middle seat body through the pin in the sliding hole.

[0017] As a further embodiment of this utility model: the side locking tongue is also provided with a sliding hole II for sliding connection pin along its length direction, and the pin in the sliding hole II is used for pin connection with the bottom fork tube.

[0018] As a further embodiment of this utility model: the locking pin is slidably connected to the vertical guide pin sleeve on the middle seat body, and the side wall of the vertical guide pin sleeve is provided with an upper vertical groove for guiding the sliding connection of the central locking tongue.

[0019] As a further embodiment of this utility model: the bottom of the locking pin is provided with a horizontal insertion hole for inserting a connecting pin, and the pin in the horizontal insertion hole is used to guide and slide with a lower vertical groove provided on the side wall of the vertical guide pin sleeve.

[0020] As a further embodiment of this utility model: a vertical clearance hole is provided on the end face of the middle seat for the bottom fork tube to avoid insertion.

[0021] As a further embodiment of this utility model: a transverse locking groove for transverse locking of the bottom fork tube is provided on the side wall of the middle seat.

[0022] As a further embodiment of this utility model, a pull rope ring is bolted to the locking pin.

[0023] The beneficial effects of this utility model are:

[0024] (1) The bottom middle seat mechanism of this application is mainly composed of a middle seat body, four bottom fork tubes and a locking column. When the four bottom fork tubes fold and close to the middle seat body, the bottom fork tubes in the horizontal state are converted into the vertical state. By moving the locking column upward along the middle seat body, the locking component unlocks the bottom fork tubes, which can simultaneously drive the bottom fork tubes that are rotatably connected to the middle seat body to unlock and lift upward, so as to realize the folding and closing of the middle seat body and the rotatably connected bottom fork tubes.

[0025] (2) When the four bottom fork tubes of this application open toward the center seat, the process is that the bottom fork tubes in the vertical state are converted into the horizontal state. By pressing down the center seat, the center seat and the bottom fork tubes that are rotatably connected move down. The bottom fork tubes move down until they are locked by the locking assembly and the locking pin, so as to realize the action of the bottom fork tubes opening toward the center seat.

[0026] (3) The locking assembly of this application is mainly composed of a side locking tongue and a center locking tongue. It has a simple structure and can realize the folding and closing of the middle seat and the rotating connection of the bottom fork tube, as well as the locking stability of the four bottom fork tubes in the lateral open state. It is easy to operate.

[0027] (4) The locking assembly of this application replaces the spring mechanism by using the inclined surfaces of the side locking tongue and the center locking tongue to reduce the number of components and the complexity of installation;

[0028] (5) This application is easy to operate. The folding can be unlocked by simply pulling up the locking column, and the middle seat can be automatically locked and unfolded by pressing down the middle seat. The user can complete the operation with one hand.

[0029] (6) This application has stable locking. Through the dual locking of the transverse locking groove and the guide slope, it can ensure that there is no shaking when the bottom fork tube is extended laterally.

[0030] (7) This application is durable, with no easily damaged spring components in the locking assembly, and its performance is stable over long-term use. Attached Figure Description

[0031] The present invention will be further described below with reference to the accompanying drawings.

[0032] Figure 1 This is a schematic diagram of the bottom fork tube of this utility model in the retracted state as it moves toward the middle seat body;

[0033] Figure 2 This is a schematic diagram of the bottom fork tube of this utility model in the open state;

[0034] Figure 3 yes Figure 2 A schematic diagram showing the bottom fork tubes symmetrically located on both sides of the locking pin connected by the locking assembly;

[0035] Figure 4 yes Figure 3 Enlarged diagram of direction A in the diagram;

[0036] Figure 5 This is a schematic diagram of the locking pin structure of this utility model;

[0037] Figure 6 This is a schematic diagram showing the disassembled side locking tongue of the bottom fork tube end connection of this utility model;

[0038] Figure 7 This is a top view of the structure of the central support body of this utility model;

[0039] Figure 8 This is a structural schematic diagram of the central support body of this utility model viewed from below.

[0040] In the diagram: 10. Middle seat; 100. Horizontal locking groove; 101. Vertical clearance hole; 102. Pin groove; 103. Vertical guide post sleeve; 104. Upper vertical sliding groove; 105. Lower vertical sliding groove; 20. Bottom fork tube; 200. Side locking tongue; 201. Sliding hole one; 202. Sliding hole two; 30. Locking post; 300. Center locking tongue; 301. Horizontal insertion hole; 40. Pull rope ring. Detailed Implementation

[0041] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0042] In the description of this utility model, it should be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; in the description of this utility model, "a plurality of" or "several" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0043] Please see Figures 1 to 4 As shown, this utility model is a novel bottom support mechanism for a baby crib, including a support body 10, four bottom fork tubes 20, and locking posts 30. One end of each bottom fork tube 20 is rotatably connected to the support body 10, and the other end is used to rotatably connect to the crib legs. The locking posts 30 are slidably connected to the support body 10. When the locking posts 30 move vertically along the support body 10, a locking assembly is provided between the bottom fork tubes 20 symmetrically arranged on both sides of the locking posts 30 and the locking posts 30.

[0044] In use, the bottom center seat mechanism of this application mainly consists of a center seat body 10, four bottom fork tubes 20, and a locking pin 30. When the four bottom fork tubes 20 fold and close towards the center seat body 10, the bottom fork tubes 20 in a horizontal state are converted into a vertical state. By moving the locking pin 30 upward along the center seat body 10, the locking component unlocks the bottom fork tubes 20, which can simultaneously drive the bottom fork tubes 20 rotatably connected to the center seat body 10 to unlock and lift upward, so as to realize the folding and closing of the center seat body 10 and the rotatably connected bottom fork tubes 20. When the four bottom fork tubes 20 open towards the center seat body 10, the bottom fork tubes 20 in a vertical state are converted into a horizontal state. By pressing down on the center seat body 10, the center seat body 10 and the rotatably connected bottom fork tubes 20 move downward. The moving bottom fork tubes 20 are locked by the locking component and the locking pin 30, so as to realize the opening action of the bottom fork tubes 20 towards the center seat body 10.

[0045] In this specific implementation, such as Figure 3 and Figure 4As shown, the locking assembly includes a side latch 200 and a center latch 300. The side latch 200 is slidably connected to the end of the bottom fork tube 20, and the center latch 300 is laterally inserted into the top of the locking pin 30. The two ends of the center latch 300 are respectively used to abut against the side latch 200. There are upper and lower adaptive guide ramps between the side latch 200 and the center latch 300. The contact surface between the side latch 200 and the center latch 300 can be the upper guide ramp, and the contact surface between the center latch 300 and the side latch 200 can be the lower guide ramp. In the design of the locking assembly of this application, it mainly consists of the side latch 200 and the center latch 300. The locking tongue 300 is designed such that when the bottom fork tube 20 in the horizontal state switches to the vertical state, the locking pin 30 drives the central locking tongue 300 to move upward. The lower guide slope of the central locking tongue 300 contacts the upper guide slope of the side locking tongue 200 and rises upward, so as to realize the folding and closing of the middle seat body 10 and the rotatably connected bottom fork tube 20. When the bottom fork tube 20 in the vertical state switches to the horizontal state, the middle seat body 10 drives the rotatably connected end of the bottom fork tube 20 to move downward until the upper guide slope of the side locking tongue 200 contacts the lower guide slope of the central locking tongue 300 and locks, which can keep the four bottom fork tubes 20 in the horizontally open state locked stably.

[0046] In this specific implementation, such as Figure 6 and Figure 7 As shown, the side latch 200 has a sliding hole 201 along its length for slidingly connecting the pin, through which the end of the bottom fork tube 20 is rotatably connected to the pin groove 102 on the middle seat body 10; the side latch 200 also has a sliding hole 202 along its length for slidingly connecting the pin, through which the pin is used for pin-connection with the bottom fork tube 20; a vertical clearance hole 101 is provided on the end face of the middle seat body 10 for the bottom fork tube 20 to avoid insertion; and a vertical clearance hole 101 is provided on the side wall of the middle seat body 10. There is a transverse locking groove 100 for lateral locking of the bottom fork tube 20; the locking assembly of this application includes a side locking tongue 200 that slides to connect the bottom fork tube 20. In the design process, the side locking tongue 200 can have a telescopic movement length at the end of the bottom fork tube 20 so that the bottom fork tube 20 and the side locking tongue 200 can avoid interference with the vertical clearance hole 101 when the bottom fork tube 20 is raised or pressed down, thus affecting the operation of the bottom fork tube 20; the tube wall of the laterally opened bottom fork tube 20 can contact and restrict the lateral locking groove 100, further enhancing the stability of the lateral opening of the bottom fork tube 20.

[0047] In this specific implementation, such as Figure 5 and Figure 8As shown, the locking pin 30 is slidably connected to the vertical guide pin sleeve 103 on the middle seat body 10. The side wall of the vertical guide pin sleeve 103 has an upper vertical groove 104 for guiding the sliding connection of the central locking tongue 300. The bottom of the locking pin 30 has a horizontal insertion hole 301 for inserting a connecting pin. The pin in the horizontal insertion hole 301 is used to guide and slide into a lower vertical groove 105 on the side wall of the vertical guide pin sleeve 103. In the design process of the locking assembly including the central locking tongue 300 slidingly connected to the middle seat body 10, if the bottom fork tube 20 in the horizontal state switches to the vertical state, the locking pin 30 is moved upwards along the vertical guide pin sleeve 103 until the central locking tongue 300 slides to the upper vertical groove 105. The top of 4 is raised so that the locking pin 30 and the middle seat 10 move upward as a whole. At this time, the central locking tongue 300 pushes the side locking tongue 200 against the vertical clearance hole 101 to achieve the folding and closing of the middle seat 10 and the rotatably connected bottom fork tube 20. When the bottom fork tube 20 in the vertical state switches to the horizontal state, the middle seat 10 or the locking pin 30 is pressed down, and the middle seat 10 presses down and opens the bottom fork tube 20. During this process, the side locking tongue 200 presses down the central locking tongue 300 until the pin in the horizontal insertion hole 301 moves down to the bottom of the lower vertical slide groove 105. The locking pin 30 will not move down anymore, thereby achieving the locking function of the side locking tongue 200. It can keep the four bottom fork tubes 20 in the horizontally opened state locked stably.

[0048] In this specific implementation, such as Figure 1 As shown, a pull rope ring 40 is attached to the locking pin 30. The pull rope ring 40 facilitates the operation of pulling the locking pin 30 upward along the middle seat body 10.

[0049] The above description provides a detailed account of one embodiment of the present invention. However, this description is merely a preferred embodiment and should not be construed as limiting the scope of the present invention. All equivalent variations and improvements made within the scope of the claims of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A novel bottom support mechanism for a baby crib, characterized in that, include: middle base body(10); Four bottom fork tubes (20), one end of each bottom fork tube (20) is rotatably connected to the middle seat (10), and the other end is used to rotatably connect to the crib leg frame; Locking pin (30), which is slidably connected to the middle seat body (10); When the locking pin (30) moves vertically along the middle seat body (10), a locking assembly is provided between the bottom fork tube (20) symmetrically arranged on both sides of the locking pin (30) and the locking pin (30).

2. The novel baby crib bottom seat mechanism according to claim 1, characterized in that, The locking assembly includes a side latch (200) and a center latch (300). The side latch (200) is slidably connected to the end of the bottom fork tube (20). The center latch (300) is laterally inserted and connected to the top of the locking pin (30). The two ends of the center latch (300) are respectively used to abut against the side latch (200).

3. The novel baby crib bottom seat mechanism according to claim 2, characterized in that, The side latch (200) and the center latch (300) have upper and lower adaptable guide slopes.

4. The novel baby crib bottom seat mechanism according to claim 3, characterized in that, The side locking tongue (200) has a sliding hole (201) along its length for slidingly connecting the pin rod. The end of the bottom fork tube (20) is rotatably connected to the pin groove (102) on the middle seat body (10) through the pin rod in the sliding hole (201).

5. A novel baby crib bottom seat mechanism according to claim 4, characterized in that, The side latch (200) is also provided with a sliding hole (202) along its length for sliding connection of the pin rod, and the pin rod in the sliding hole (202) is used for pin connection with the bottom fork tube (20).

6. The novel baby crib bottom seat mechanism according to claim 3, characterized in that, The locking pin (30) is slidably connected to the vertical guide pin sleeve (103) on the middle seat body (10), and the side wall of the vertical guide pin sleeve (103) is provided with an upper vertical groove (104) for guiding the sliding connection of the central locking tongue (300).

7. A novel baby crib bottom seat mechanism according to claim 6, characterized in that, The bottom of the locking pin (30) is provided with a horizontal insertion hole (301) for inserting a connecting pin. The pin in the horizontal insertion hole (301) is used to guide and slide with the lower vertical groove (105) provided on the side wall of the vertical guide pin sleeve (103).

8. A novel baby crib bottom seat mechanism according to claim 3, characterized in that, The end face of the middle seat (10) is provided with a vertical clearance hole (101) for the bottom fork tube (20) to be inserted.

9. A novel baby crib bottom seat mechanism according to claim 3, characterized in that, The side wall of the middle seat (10) is provided with a transverse locking groove (100) for transverse locking of the bottom fork tube (20).

10. A novel baby crib bottom center seat mechanism according to claim 1, characterized in that, A pull rope ring (40) is attached to the locking pin (30).

Images