Mortise and tenon building block combination device made of degradable materials

Through the mortise and tenon structure connection of the degradable material, the problem of unstable connection of traditional building blocks is solved, stability and environmental protection are achieved, children's creativity and assembly fun are enhanced, and it is suitable for mortise and tenon building block combination devices of degradable material.

CN120324920AInactive Publication Date: 2025-07-18SUZHOU POLYTECHNIC INST OF AGRI
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Patent Information

Application Number
CN202510685442.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-27
Publication Date
2025-07-18
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional building blocks are not tight enough, easily loosen or fall off, affecting children's play experience and are not environmentally friendly.

Method used

The mortise and tenon structure is connected by a degradable material, including the mortise and tenon structure between the trunk, head, arm and lower limb structure to achieve a mobile connection. The building blocks made of polyethylene oxide PEO and cellulose fiber CNF materials are used to increase stability and creativity through T-shaped connection strips, cross bars, connecting pins, rotating discs and dovetails.

Benefits of technology

It improves the stability and assembly fun of building blocks, exercises children's hand coordination ability and spatial imagination, has good environmental protection performance, and can be naturally decomposed after being discarded, reducing environmental pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a mortise and tenon building block combination device made of degradable materials, and relates to the technical field of building blocks. The mortise and tenon joint building block combination device made of the degradable materials comprises a trunk structure, a head structure is arranged at the top end of the trunk structure, arm structures are arranged at the side ends of the trunk structure, and lower limb structures are arranged at the bottom end of the trunk structure. By arranging the top end connecting structure, the side end connecting structures and the bottom end connecting structure, the trunk structure, the head structure, the arm structures and the lower limb structures can be movably connected through mortise and tenon joint structures. According to the building block combination structure, the components are connected through the ingenious mortise and tenon joint structures, the stability of the toy is improved, the splicing pleasure and creativity of the toy are improved, children can exercise the hand coordination ability and the space imagination in the splicing process, and meanwhile the building block combination structure has the good environment-friendly performance.
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Description

Technical Field

[0001] The present invention relates to the technical field of building blocks, and particularly to a mortise and tenon building block combination device made of degradable materials. Background Art

[0002] Building blocks are usually cubic wooden or plastic solid toys, generally decorated with letters or pictures on each surface, allowing for different arrangements or building activities. There are various styles of building blocks, which can develop children's intelligence and can be assembled into houses, various animals, etc.

[0003] Traditional plug-in or snap-in building blocks may have some problems during connection, resulting in insufficient tightness. This insufficient tight connection may cause the built structure to be prone to looseness or detachment. The instability of this structure may cause the built shape to collapse during use, thus affecting the child's experience. During the play process, if the building block structure often has problems, it may make them feel frustrated and even lose interest in the building blocks. Summary of the Invention

[0004] The present invention provides a mortise and tenon building block combination device made of degradable materials to solve the problems in the background art.

[0005] To achieve the above object, the present invention provides the following technical solution: A mortise and tenon building block combination device made of degradable materials, including a torso structure, a head structure is provided at the top of the torso structure, an arm structure is provided at the side end of the torso structure, and a lower limb structure is provided at the bottom of the torso structure;

[0006] The torso structure includes a chest component and a waist component. A top connection structure is provided at the top of the chest component. The top of the chest component is movably connected to the head structure through the top connection structure. A side connection structure is provided at the side end of the chest component. The side end of the chest component is movably connected to the arm structure through the side connection structure. A bottom connection structure is provided at the bottom of the waist component. The bottom of the waist component is movably connected to the lower limb structure through the bottom connection structure;

[0007] The head structure includes a brain component, a mask component is movably snap-connected to the front side of the brain component, and a connection hole is opened at the bottom of the brain component;

[0008] The arm structure includes a shoulder component, a hand component is movably connected to the bottom of the shoulder component, a splicing hole is opened at the top of the shoulder component, and an arm armor is movably snap-connected to the outside of the shoulder component;

[0009] The lower limb structure includes a leg component, the top end of the leg component is hinged with a foot component, a plugging hole position is opened on the inner side of the leg component, and a knee armor is movably clamped on the outer side of the knee of the leg component.

[0010] Furthermore, a T-shaped connecting bar is fixedly connected to the top end of the waist component, a T-shaped groove is opened at the bottom end of the chest component, and the T-shaped connecting bar is movably clamped with the inner wall of the T-shaped groove.

[0011] Furthermore, the top connection structure includes a cross bar, the bottom end of the cross bar is fixedly connected to the top end of the chest component, a vertical bar is lapped on the back side of the cross bar, connection ports are opened inside both the vertical bar and the cross bar, and a connection pin is movably inserted between the two connection ports. The vertical bar and the cross bar are tenon-mortise connected through the connection ports and the connection pin.

[0012] Furthermore, the top end of the vertical bar is movably connected with the connection hole position at the bottom end of the brain component through a spherical joint.

[0013] Furthermore, the side connection structure includes two connecting rods, docking blocks are fixedly connected to the opposite ends of the two connecting rods, a docking port is opened at the end of the connecting rod, and the docking block is movably inserted into the docking port of the other connecting rod.

[0014] Furthermore, a splicing port is opened on the side of the connecting rod, a splicing pin is movably inserted between the two splicing ports, and the two connecting rods are tenon-mortise connected through the splicing ports and the splicing pin.

[0015] Furthermore, rotating disks are rotatably connected to the departing ends of the two connecting rods. The upper connecting rod is rotatably connected to the side end of the chest component through the rotating disk, and the lower connecting rod is rotatably connected to the splicing hole position at the top end of the arm component through the rotating disk.

[0016] Furthermore, the bottom connection structure includes a mounting plate and a fixing plate. The side end of the mounting plate is movably clamped with the side end of the waist component. A dovetail tenon is movably inserted into the side end of the fixing plate. A dovetail groove is opened at the bottom end of the mounting plate. The dovetail tenon is located inside the dovetail groove. The fixing plate and the mounting plate are tenon-mortise connected through the dovetail tenon and the dovetail groove.

[0017] Furthermore, plugging ports are opened at the bottom end of the fixing plate and the part of the dovetail tenon located inside the fixing plate, and a plugging pin is movably inserted between the two plugging ports.

[0018] Furthermore, the end of the fixing plate away from the mounting plate is movably connected with the plugging hole position on the inner side of the leg component through a spherical joint.

[0019] Compared with the prior art, the present invention provides a degradable material tenon-mortise building block combination device, which has the following beneficial effects:

[0020] The degradable material mortise and tenon building block combination device enables the torso structure, head structure, arm structure and lower limb structure to be movably connected through the mortise and tenon structure by setting the top connection structure, side connection structure and bottom connection structure. Compared with the traditional building blocks that are connected by snap connection or simple interference fit, each component is connected by a clever mortise and tenon structure, which not only increases the stability of the toy, but also improves the assembly fun and creativity of the toy. When children assemble the toy, they can exercise their hand-eye coordination ability and spatial imagination. At the same time, by assembling different shapes, children's creativity and thinking ability can also be stimulated. This building block combination structure not only has high spliceability and stability, but also has good environmental protection performance. By using degradable materials, this building block combination device can decompose naturally after being discarded, reducing environmental pollution and meeting the current environmental protection concept. Description of the Drawings

[0021] Figure 1 It is a schematic structural diagram of a degradable material mortise and tenon building block combination device of the present invention;

[0022] Figure 2 It is an exploded schematic structural diagram of a degradable material mortise and tenon building block combination device of the present invention;

[0023] Figure 3 It is a schematic structural diagram of the torso structure of a degradable material mortise and tenon building block combination device of the present invention;

[0024] Figure 4 It is a schematic structural diagram of the head structure of a degradable material mortise and tenon building block combination device of the present invention;

[0025] Figure 5 It is a schematic structural diagram of the arm structure of a degradable material mortise and tenon building block combination device of the present invention;

[0026] Figure 6 It is a schematic structural diagram of the leg structure of a degradable material mortise and tenon building block combination device of the present invention;

[0027] Figure 7 It is a schematic structural diagram of the top connection structure of a degradable material mortise and tenon building block combination device of the present invention;

[0028] Figure 8 It is a schematic structural diagram of the side connection structure of a degradable material mortise and tenon building block combination device of the present invention;

[0029] Figure 9 It is a schematic structural diagram of the bottom connection structure of a degradable material mortise and tenon building block combination device of the present invention

[0030] In the figure: 1. Trunk structure; 101. Chest component; 102. Waist component; 103. T-shaped connecting bar; 104. T-shaped groove; 2. Head structure; 201. Brain component; 202. Face mask component; 203. Connecting hole position; 3. Arm structure; 301. Arm component; 302. Hand component; 303. Splicing hole position; 304. Arm armor; 4. Lower limb structure; 401. Leg component; 402. Foot component; 403. Knee armor; 404. Plug-in hole position; 5. Top connection structure; 501. Cross bar; 502. Vertical bar; 503. Connection port; 504. Connection pin; 6. Side connection structure; 601. Connecting rod; 602. Rotary disk; 603. Docking block; 604. Splicing port; 605. Splicing pin; 7. Bottom connection structure; 701. Mounting plate; 702. Fixed plate; 703. Dovetail tenon; 704. Dovetail groove; 705. Plug-in pin. Detailed implementation manners

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0032] Please refer to Figures 1-9 , the present invention discloses a degradable material mortise and tenon building block combination device, including a trunk structure 1, a head structure 2 is arranged at the top end of the trunk structure 1, an arm structure 3 is arranged at the side end of the trunk structure 1, and a lower limb structure 4 is arranged at the bottom end of the trunk structure 1.

[0033] Moreover, the raw materials for preparing the trunk structure 1, the head structure 2, the arm structure 3 and the lower limb structure 4 are polyethylene oxide PEO and cellulose fiber CNF.

[0034] Dissolve polyethylene oxide PEO in distilled water to obtain a transparent viscous solution, then add cellulose fiber CNF, mix and stir evenly, and dry the mixture in an oven to obtain a solid modifier modified by PEO.

[0035] Subsequently, add polyhydroxyalkanoate PHA and the obtained modified modifier to a mixer, mix and knead to obtain a thermoplastic modified PHA material.

[0036] Add the obtained thermoplastic modified PHA material, initiator, chain extender, crosslinking agent and compatibilizer to a high-speed mixer in proportion, mix evenly, extrude the above-mentioned mixture using a co-rotating twin-screw extruder, pass the extruded wire through a water bath and then granulate, and dry the granules in an oven at 50 °C overnight to obtain a modified PHA-based composite material.

[0037] Polyhydroxyalkanoates (PHA) are one of the most widely used and studied biopolymers because they have mechanical properties similar to those of polystyrene (PS), polypropylene (PP), and polyethylene terephthalate (PET), as well as non-toxicity, biocompatibility, biodegradability, and renewability.

[0038] This building block combination structure not only has high spliceability and stability but also good environmental protection performance. By using degradable materials, this building block combination device can decompose naturally after being discarded, reducing environmental pollution and conforming to the current environmental protection concept.

[0039] The torso structure 1 includes a chest component 101 and a waist component 102. A top connection structure 5 is provided at the top of the chest component 101. The top of the chest component 101 is movably connected to the head structure 2 through the top connection structure 5. A side connection structure 6 is provided at the side end of the chest component 101. The side end of the chest component 101 is movably connected to the arm structure 3 through the side connection structure 6. A bottom connection structure 7 is provided at the bottom of the waist component 102. The bottom of the waist component 102 is movably connected to the lower limb structure 4 through the bottom connection structure 7.

[0040] The head structure 2 includes a brain component 201. A mask component 202 is movably clamped to the front side of the brain component 201. A connection hole 203 is opened at the bottom of the brain component 201.

[0041] The arm structure 3 includes an arm component 301. A hand component 302 is movably connected to the bottom of the arm component 301. A splicing hole 303 is opened at the top of the arm component 301. An arm armor 304 is movably clamped to the outside of the arm component 301.

[0042] The lower limb structure 4 includes a leg component 401. A foot component 402 is hinged to the top of the leg component 401. A plug hole 404 is opened on the inner side of the leg component 401. A knee armor 403 is movably clamped to the outside of the knee of the leg component 401.

[0043] Specifically, a T-shaped connecting bar 103 is fixedly connected to the top of the waist component 102. A T-shaped groove 104 is opened at the bottom of the chest component 101. The T-shaped connecting bar 103 is movably clamped to the inner wall of the T-shaped groove 104.

[0044] In this embodiment, the chest component 101 and the waist component 102 are movably connected stably and flexibly through the cooperation of the T-shaped connecting bar 103 and the T-shaped groove 104.

[0045] During the assembly process, children need to carefully observe the structural characteristics of each component and think about how to cleverly connect them through the mortise and tenon structure. This assembly process not only exercises children's hand-eye coordination and spatial imagination but also stimulates their creativity and logical thinking ability. At the same time, due to the tight connection of each component through the mortise and tenon structure, the assembled shape is more stable, not easily scattered, and improves the durability and safety of the toy.

[0046] Specifically, the top connection structure 5 includes a crossbar 501. The bottom end of the crossbar 501 is fixedly connected to the top end of the chest component 101. A vertical rod 502 is lapped on the back side of the crossbar 501. Connection ports 503 are opened inside both the vertical rod 502 and the crossbar 501. A connection pin 504 is movably inserted between the two connection ports 503. The vertical rod 502 and the crossbar 501 are mortise and tenon connected through the connection ports 503 and the connection pin 504.

[0047] In this implementation scheme, a flexible and stable movable connection is achieved between the head structure 2 and the chest component 101 through the top connection structure 5.

[0048] During assembly, children can lap the vertical rod 502 on the back side of the crossbar 501 and tightly connect the two together through the connection pin 504. This design not only increases the fun of assembly but also improves the structural stability of the toy.

[0049] Specifically, the top end of the vertical rod 502 is movably connected to the connection hole position 203 at the bottom end of the brain component 201 through a spherical joint.

[0050] In this implementation scheme, the brain component 201 can rotate flexibly at multiple angles relative to the vertical rod 502, thus increasing the flexibility and playability of the head structure 2. During the assembly process, children can adjust the angle of the brain component 201 according to their imagination and needs, making the entire building block combination device present a more vivid and diverse posture.

[0051] Specifically, the side connection structure 6 includes two connecting rods 601. Docking blocks 603 are fixedly connected to the opposite ends of the two connecting rods 601. A docking port is opened at the end of the connecting rod 601. The docking block 603 is movably inserted into the docking port of another connecting rod 601. A splicing port 604 is opened on the side of the connecting rod 601. A splicing pin 605 is movably inserted between the two splicing ports 604. The two connecting rods 601 are mortise and tenon connected through the splicing ports 604 and the splicing pin 605.

[0052] In this implementation scheme, a stable and flexible movable connection is achieved between the arm structure 3 and the chest component 101 through the side connection structure 6.

[0053] During the assembly process, children can insert the docking blocks 603 of the two connecting rods 601 into the mating interfaces of each other respectively to achieve the movable insertion connection between the connecting rods 601.

[0054] At the same time, the splicing pins 605 are used to tightly connect the splicing interfaces 604 of the two connecting rods 601 together, further enhancing the stability of the connection. This design not only enables the arm structure 3 to rotate flexibly at multiple angles relative to the chest component 101, but also improves the structural stability and assembly fun of the entire building block combination device.

[0055] Specifically, rotating disks 602 are rotatably connected to the opposite ends of the two connecting rods 601. The upper connecting rod 601 is rotatably connected to the side end of the chest component 101 through the rotating disk 602, and the lower connecting rod 601 is rotatably connected to the splicing hole position 303 at the top of the arm component 301 through the rotating disk 602.

[0056] In this implementation scheme, through the setting of the rotating disk 602, the flexible rotational connection between the connecting rod 601 and the chest component 101 and the arm component 301 is realized. During assembly, children can freely adjust the angle and position of the arm structure 3, making the entire building block combination device present more diverse postures and movements.

[0057] Specifically, the bottom connection structure 7 includes a mounting plate 701 and a fixing plate 702. The side end of the mounting plate 701 is movably clamped to the side end of the waist component 102. A dovetail tenon 703 is movably inserted into the side end of the fixing plate 702. A dovetail groove 704 is opened at the bottom end of the mounting plate 701. The dovetail tenon 703 is located inside the dovetail groove 704. The fixing plate 702 and the fixing plate 702 are connected by mortise and tenon through the dovetail tenon 703 and the dovetail groove 704.

[0058] In this implementation scheme, a stable and flexible movable connection is achieved between the lower limb structure 4 and the waist component 102 through the bottom connection structure 7. During the assembly process, children can insert the dovetail tenon 703 on the fixing plate 702 into the dovetail groove 704 of the mounting plate 701 to achieve their movable clamping connection. This design not only increases the fun of assembly, but also improves the structural stability of the toy.

[0059] Specifically, insertion interfaces are opened at the bottom end of the fixing plate 702 and the part of the dovetail tenon 703 located inside the fixing plate 702. An insertion pin 705 is movably inserted between the two insertion interfaces.

[0060] In this embodiment, the fixing plate 702 and the dovetail tenon 703 are further tightly connected together through the insertion pin 705, enhancing the stability of the connection. This design not only enables the lower limb structure 4 to rotate flexibly at multiple angles relative to the waist assembly 102, but also ensures the structural stability and safety of the entire building block combination device after assembly.

[0061] Specifically, one end of the fixing plate 702 away from the mounting plate 701 is movably connected to the insertion hole position 404 on the inner side of the leg assembly 401 through a spherical joint.

[0062] In this embodiment, the leg assembly 401 can rotate flexibly at multiple angles relative to the fixing plate 702, thus increasing the flexibility and playability of the lower limb structure 4. During the assembly process, children can adjust the angle of the leg assembly 401 according to their imagination and needs, making the entire building block combination device present more vivid and diverse walking postures.

[0063] When in use, children can exert their creativity and combine the various components in different ways to create a variety of shapes. For example, they can lift the arm structure 3 upward to simulate the gesture of raising a hand; or bend the lower limb structure 4 forward to simulate the actions of walking or running. Since the various components are tightly connected through the mortise and tenon structure, the assembled shapes are not only stable but also have a certain elasticity, better meeting the playing needs of children.

[0064] In summary, for this degradable material mortise and tenon building block combination device, by setting the top connection structure 5, the side connection structure 6, and the bottom connection structure 7, the torso structure 1, the head structure 2, the arm structure 3, and the lower limb structure 4 can be movably connected through the mortise and tenon structure. Compared with the traditional building blocks that are connected through snap connection or simple interference fit, the various components are connected through the ingenious mortise and tenon structure, which not only increases the stability of the toy but also improves the assembly fun and creativity of the toy. During the assembly process, children can exercise their hand-eye coordination ability and spatial imagination. At the same time, by assembling different shapes, children's creativity and thinking ability can also be stimulated.

[0065] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions, and variations can be made in these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A degradable material mortise and tenon building block combination device, comprising a torso structure (1), characterized in that: At the top of the torso structure (1), a head structure (2) is provided. At the side end of the torso structure (1), an arm structure (3) is provided. At the bottom end of the torso structure (1), a lower limb structure (4) is provided; The torso structure (1) includes a chest component (101) and a waist component (102). At the top of the chest component (101), a top connection structure (5) is provided. The top of the chest component (101) is movably connected to the head structure (2) through the top connection structure (5). At the side end of the chest component (101), a side connection structure (6) is provided. The side end of the chest component (101) is movably connected to the arm structure (3) through the side connection structure (6). At the bottom end of the waist component (102), a bottom connection structure (7) is provided. The bottom end of the waist component (102) is movably connected to the lower limb structure (4) through the bottom connection structure (7); The head structure (2) includes a brain component (201). A mask component (202) is movably clamped to the front side of the brain component (201). A connection hole (203) is opened at the bottom end of the brain component (201); The arm structure (3) includes an arm component (301). A hand component (302) is movably connected to the bottom end of the arm component (301). A splicing hole (303) is opened at the top end of the arm component (301). An arm armor (304) is movably clamped to the outside of the arm component (301); The lower limb structure (4) includes a leg component (401). A foot component (402) is hinged to the top end of the leg component (401). A plug hole (404) is opened on the inner side of the leg component (401). A knee armor (403) is movably clamped to the outside of the knee of the leg component (401).

2. The degradable material mortise and tenon building block combination device according to claim 1, wherein: A T-shaped connecting bar (103) is fixedly connected to the top end of the waist component (102). A T-shaped groove (104) is opened at the bottom end of the chest component (101). The T-shaped connecting bar (103) is movably clamped to the inner wall of the T-shaped groove (104).

3. The degradable material mortise and tenon building block combination device according to claim 1, characterized in that: The top connection structure (5) includes a cross bar (501). The bottom end of the cross bar (501) is fixedly connected to the top end of the chest component (101). A vertical bar (502) is lapped on the back side of the cross bar (501). Connection ports (503) are opened inside both the vertical bar (502) and the cross bar (501). A connection pin (504) is movably inserted between the two connection ports (503). The vertical bar (502) and the cross bar (501) are mortise-tenon connected through the connection ports (503) and the connection pin (504).

4. The degradable material mortise and tenon building block combination device according to claim 3, characterized in that: The top end of the vertical bar (502) is movably connected to the connection hole (203) at the bottom end of the brain component (201) through a spherical joint.

5. A degradable material mortise and tenon building block combination device according to claim 1, characterized in that: The side connection structure (6) includes two connecting rods (601). Docking blocks (603) are fixedly connected to the opposite ends of the two connecting rods (601). A docking port is opened at the end of the connecting rod (601). The docking block (603) is movably inserted into the docking port of the other connecting rod (601).

6. The degradable material mortise and tenon building block combination device according to claim 5, characterized in that: A splicing interface (604) is provided at the side end of the connecting rod (601). A splicing pin (605) is movably inserted between the two splicing interfaces (604). The two connecting rods (601) are connected by mortise and tenon joints through the splicing interfaces (604) and the splicing pin (605).

7. A degradable material mortise and tenon building block combination device according to claim 5, characterized in that: Rotary disks (602) are rotatably connected to the departing ends of the two connecting rods (601). The upper connecting rod (601) is rotatably connected to the side end of the chest assembly (101) through the rotary disk (602). The lower connecting rod (601) is rotatably connected to the splicing hole position (303) at the top end of the arm assembly (301) through the rotary disk (602).

8. A degradable material mortise and tenon building block combination device according to claim 1, characterized in that: The bottom end connection structure (7) includes a mounting plate (701) and a fixing plate (702). The side end of the mounting plate (701) is movably clamped to the side end of the waist assembly (102). A dovetail tenon (703) is movably inserted into the side end of the fixing plate (702). A dovetail groove (704) is provided at the bottom end of the mounting plate (701). The dovetail tenon (703) is located inside the dovetail groove (704). The fixing plate (702) and the mounting plate (701) are connected by mortise and tenon joints through the dovetail tenon (703) and the dovetail groove (704).

9. The degradable material mortise and tenon building block combination device according to claim 8, characterized in that: Plug interfaces are provided at the bottom end of the fixing plate (702) and at the part of the dovetail tenon (703) located inside the fixing plate (702). A plug pin (705) is movably inserted between the two plug interfaces.

10. A degradable material mortise and tenon block combination device according to claim 8, characterized in that: One end of the fixing plate (702) away from the mounting plate (701) is movably connected to the plug hole position (404) inside the leg assembly (401) through a spherical joint.