Integrally-formed magnetic building block
The integrated frame structure and connection design solve the problem of magnetic building block lids falling off, achieving higher connection stability and safety, and enhancing the playability of the building blocks.
Patent Information
- Application Number
- CN202423217560.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-25
AI Technical Summary
After prolonged use, existing magnetic building blocks may experience issues such as loosening of the ultrasonic welding points or screws, leading to cracked or detached covers and potential magnet loss, posing a safety hazard.
The design employs a one-piece molded frame structure, combined with connecting plates and protective sleeves, to ensure a stable connection between the sealing cap and the frame. The design also improves installation accuracy and stability through the use of two types of protrusions and grooves. At the same time, the use of strong magnets and transparent magnet boxes increases connection strength and playability.
It effectively prevents magnet blocks from falling off, improves the structural strength and safety of the building blocks, increases playability, and avoids the risk of accidentally swallowing magnets.
Smart Images

Figure CN223668644U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to magnetic building blocks technical field, more specifically, it relates to a kind of integrally formed magnetic building blocks. BACKGROUND
[0002] Magnetic building blocks are toys designed using the principle of magnetic attraction, usually composed of multiple plastic or wooden pieces, each piece has a magnet embedded inside. Due to the shape and connection design of these pieces, children can build various shapes and structures, such as buildings, animals, vehicles, etc. by simple assembly.
[0003] The conventional magnetic building blocks in the existing market usually fix the magnet in the cavity of the shell by using the cover and ultrasonic welding process or screw locking structure. After a long time of playing, the ultrasonic welding position or the screw may loosen, causing the cover to crack and fall off. This may cause the magnet to fall out of the cavity, which may be mistaken for food by children, posing a safety risk to children. INVENTION CONTENTS
[0004] To overcome the shortcomings of the prior art, the utility model aims to provide an integrally formed magnetic building block, which has the advantage of preventing the magnet block from falling off.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] An integrally formed magnetic building block, comprising a building block body, the building block body comprising a frame, a support frame located in the frame, the support frame comprising three hollow cylindrical bodies, two of which are arranged in a cross shape, and one of which is vertically located at the intersection of the two cross-shaped cylindrical bodies. A cross-shaped reinforcing rib plate is provided in the hollow cylindrical body. The cylindrical body and the frame are integrally formed by a plurality of connecting plates. The connecting plates are arranged in a cross shape around the outer wall of the cylindrical body after being connected to the frame.
[0007] Grooves are provided at both ends of the cylindrical body. A sealing cover is installed around the frame. The sealing cover is installed on the frame to form a cavity with the groove. The building block body further comprises a magnet block located in the cavity and a protective sleeve integrally formed on the outer wall of the frame.
[0008] The advantages of this scheme at least include that the support frame is integrally formed on the frame by the connecting plate, greatly improving the internal frame structure of the building block body, ensuring that the building block body has sufficient strength. The integrally formed protective sleeve on the outer wall of the frame can effectively prevent the sealing cover from falling off and causing the magnet block to fall out of the cavity even if the ultrasonic welding position cracks.
[0009] The utility model further sets up: recess two is set up on the frame, the closure cover is equipped with the protruding piece that matches with recess two.
[0010] According to the advantage of this scheme at least in: the combination of protruding piece and recess two can ensure that the closure cover is assembled to the frame and keeps accurate relative position, improves the precision of installation, and after assembling, the protruding piece embeds recess two and can prevent the relative movement of closure cover, increases the stability of connection between closure cover and frame.
[0011] The utility model further sets up: the round hole is set up on the closure cover, the magnet box is installed on the round hole, the magnet box is integrally formed with closure cover, the magnet box is protruding setting, and the thickness of protruding position is same with the thickness of protective sleeve.
[0012] According to the advantage of this scheme at least in: the magnet box is protruding setting and integrally formed with closure cover, not only has higher durability and strength, but also improves the connection strength between frame and closure cover and protective sleeve.
[0013] The utility model further sets up: the magnet box is transparent material.
[0014] According to the advantage of this scheme at least in: when playing a single building block body, the magnet box of transparent material can see that the magnet block jumps back and forth in the chamber, and the playability of the building block body is increased.
[0015] The utility model further sets up: the magnet block is strong magnet.
[0016] According to the advantage of this scheme at least in: the magnet block adopts strong magnet, ensures that two adjacent building block bodies can be effectively adsorbed together when being connected, avoids the phenomenon of falling caused by insufficient magnetic force of magnet block after splicing multiple building block bodies.
[0017] The utility model further sets up: the material of protective sleeve is silica gel.
[0018] According to the advantage of this scheme at least in: the silica gel material is not only resistant to fall but also has certain elasticity, can effectively protect the internal frame and closure cover, the surface of silica gel material is relatively smooth, the hand feeling is better, also has certain waterproof performance, and children play not prone to allergic and other adverse safety problems.
[0019] Summarized above, the utility model at least has following advantages:
[0020] By the integrally formed protective sleeve of setting up on the frame outer wall, even if the position of ultrasonic welding cracks, also can effectively avoid the phenomenon that closure cover falls and causes magnet block to fall from the cavity to occur after;
[0021] 2. By setting the protrusion and the second groove, the combination of the protrusion and the second groove can ensure that the sealing cap maintains an accurate relative position when it is assembled onto the frame, improving the installation accuracy. Moreover, after assembly, the protrusion embedded in the second groove can prevent the sealing cap from moving relative to the frame, increasing the stability of the connection between the sealing cap and the frame.
[0022] 3. By setting the magnet box protrusion and molding it into the sealing cap, it not only has higher durability and strength, but also improves the connection strength between the frame, sealing cap and protective cover. When playing with a single building block, the transparent magnet box allows you to see the magnet blocks flipping and jumping back and forth in the cavity, increasing the playability of the building block. Attached Figure Description
[0023] Figure 1 This is an overall schematic diagram of this embodiment;
[0024] Figure 2 This is an exploded view diagram of this embodiment;
[0025] Figure 3 This is a three-dimensional sectional view of this embodiment;
[0026] Figure 4 This is an overall schematic diagram of the frame and support frame in this embodiment;
[0027] Figure 5 This is a schematic diagram of the sealing cap in this embodiment.
[0028] Reference numerals: 1. Block body; 2. Frame; 3. Support frame; 301. Connecting plate; 4. Cylinder; 5. Groove one; 6. Sealing cap; 7. Cavity; 8. Magnet block; 9. Protective sleeve; 10. Groove two; 11. Protrusion; 12. Magnet box. Detailed Implementation
[0029] The present invention will be further described in detail below with reference to the accompanying drawings.
[0030] A type of one-piece molded magnetic building block, such as Figure 1 As shown, the block body 1 is a cube in this embodiment. In other preferred embodiments, the block body 1 can also be a cuboid, rhombus, or circle.
[0031] like Figure 2 , Figure 3 , Figure 4, in order to improve the internal frame 2 structure of the building block body 1, in some embodiments, the building block body 1 comprises a frame 2, a support frame 3 located in the frame 2, the support frame 3 comprises three hollow cylindrical bodies 4, two of which are arranged in a cross shape, and one of which is vertically arranged at the intersection of the two cylindrical bodies 4 arranged in a cross shape, and a cross-shaped reinforcing rib plate is arranged in the hollow cylindrical body 4, and the cylindrical body 4 and the frame 2 are integrally formed by a plurality of connecting plates 301 with the frame 2, and the connecting plates 301 are arranged in a cross shape around the outer wall of the cylindrical body 4 after being connected with the frame 2;
[0032] As shown in Figure 3 , recesses 5 are formed at both ends of the cylindrical body 4, and sealing covers 6 are installed around the frame 2, the sealing covers 6 are installed on the frame 2 to form cavities 7 with the recesses 5, and the building block body 1 further comprises a magnet block 8 located in the cavity 7 and a protective sleeve 9 sleeved on the outer wall of the frame 2 and integrally formed.
[0033] Further, the magnet block 8 is a strong magnet, and the magnet block 8 is a strong magnet, which can effectively attract adjacent two building block bodies 1 together when connected, and avoid the phenomenon that the magnetic force of the magnet block 8 is insufficient to cause the building block body 1 to fall off after being connected.
[0034] It is worth mentioning that the protective sleeve 9 is made of silica gel material, which not only has good impact resistance but also has certain elasticity, can effectively protect the internal frame 2 and sealing cover 6, and has smooth surface, good hand feeling and certain waterproof performance, so that children can play safely without allergic and other adverse safety problems. In other embodiments, the protective sleeve 9 can also be soft plastic.
[0035] As shown in Figure 4 , Figure 5 , in order to improve the strength and installation precision between the sealing cover 6 and the frame 2, recesses 10 are formed on the frame 2, and protrusions 11 matched with the recesses 10 are arranged on the sealing cover 6. At the same time, embedding the protrusions 11 on the sealing cover 6 into the recesses 10 can prevent the relative movement of the sealing cover 6, and increase the stability of the connection between the sealing cover 6 and the frame 2.
[0036] A circular hole is formed on the sealing cover, a magnet box 12 is installed on the circular hole, the magnet box 12 is integrally formed with the sealing cover 6, the magnet box 12 is protrudingly arranged, and the thickness of the protruding position is the same as that of the protective sleeve 9. The magnet box 12 is integrally formed with the sealing cover 6, which not only has higher durability and strength, but also improves the connection strength between the frame 2, the sealing cover 6 and the protective sleeve 9. The magnet box 12 is made of transparent material, and the transparent material is preferably hard plastic. When playing with a single building block body 1, the transparent magnet box 12 can see the magnet block 8 jumping back and forth in the cavity, which increases the playability of the building block body 1.
[0037] The working process and beneficial effects of the utility model are as follows:
[0038] The support frame 3 is integrally formed on the frame 2 through the connecting plate 301, the internal frame 2 structure of the building block body 1 is greatly improved, and the building block body 1 has sufficient strength; the integrally formed protective sleeve 9 arranged on the outer wall of the frame 2 can effectively avoid the phenomenon that the sealing cover 6 falls off and the magnet block 8 falls from the cavity 7 after the position of ultrasonic welding cracks.
[0039] The above only is the preferred embodiment of the utility model, and is not used for limiting the utility model, any modification, equivalent replacement, improvement and the like within the design concept of the utility model should be contained in the protection scope of the utility model.
Claims
1. A one-piece magnetic building block comprising a building block body (1), characterized in that: The building block body (1) comprises a frame (2) and a support frame (3) in the frame (2), the support frame (3) comprises three hollow cylinders (4), two of which are in a cross-shaped layout, and one of which is vertically arranged at the intersection of the two cross-shaped cylinders (4), a cross-shaped reinforcing rib plate is arranged in the hollow cylinder (4), the cylinder (4) and the frame (2) are integrally formed by a plurality of connecting plates (301) and the frame (2), and the connecting plate (301) is in a cross-shaped surrounding distribution on the outer wall of the cylinder (4) after being connected with the frame (2); A groove one (5) is formed at both ends of the cylinder (4), and a sealing cover (6) is installed on the frame (2), the sealing cover (6) is installed on the frame (2) to form a cavity (7) with the groove one (5), the building block body (1) further comprises a magnet block (8) in the cavity (7) and a protective sleeve (9) sleeved on the outer wall of the frame (2) and integrally formed.
2. A one-piece magnetic building block according to claim 1, characterized in that: A groove two (10) is formed on the frame (2), and a protrusion (11) matched with the groove two (10) is arranged on the sealing cover (6).
3. A one-piece magnetic building block according to claim 2, wherein: A round hole is formed on the sealing cover (6), a magnet box (12) is installed on the round hole, the magnet box (12) is integrally formed with the sealing cover (6), the magnet box (12) is protrudingly arranged, and the thickness of the protruding position is the same as that of the protective sleeve (9).
4. A one-piece magnetic building block according to claim 3, wherein: The magnet box (12) is made of transparent material.
5. A one-piece magnetic building block according to claim 4, wherein: The magnet block (8) is a strong magnet.
6. A one-piece magnetic building block according to claim 5, wherein: The material of the protective sleeve (9) is silica gel.