Combined hollow building block without cleaning dead angle

Abstract

The utility model relates to a combined hollow building block without cleaning dead angles, which comprises a plurality of building blocks, each building block comprises a building block base and a building block pin, and a lower hollow cavity and an upper hollow cavity are respectively formed in the building block base and the building block pin. The lower hollow cavity and the upper hollow cavity are respectively provided with an opening penetrating through the building block base and one outer side wall of the building block pin, and the building block pin is inserted into the lower hollow cavity in the direction that the upper hollow cavity of the building block pin is opposite to the building block base, so that the lower hollow cavity and the upper hollow cavity are sealed. According to the technical scheme, the hollow building block is low in forming difficulty and easy to clean, the sanitation problem can be effectively solved, the service life can be effectively prolonged, and the appearance integrity can be protected.

Description

Technical Field

[0001] The utility model relates to the technical field of toys, and more specifically, it relates to a combined hollow building block without cleaning dead corners. Background Art

[0002] In the field of toy building blocks, hollow building blocks and solid building blocks have always been the focus of designers and manufacturers. With the progress of materials science and manufacturing technology, hollow building blocks have gradually gained favor in the market due to their unique structural design. The design concept of hollow building blocks stems from the pursuit of lightweight and cost-effectiveness. Compared with solid building blocks, hollow building blocks adopt a hollow structure, which significantly reduces the overall weight. This not only facilitates children's operation and reduces the physical burden during play but also brings convenience to the transportation and storage of building blocks. In addition, hollow building blocks consume less raw materials during the production process, helping to reduce production costs and making the products more competitive in the market.

[0003] At present, the hollow building blocks on the market have no obvious structural differences except for the difference in materials, which are silicone and plastic. The utility model patent with the publication number CN220588927U, applied on April 14, 2023, and authorized on March 15, 2024, includes a building block body. The building block body has a weight-reducing hollow cavity. The building block body has multiple connecting parts. The connecting parts protrude outward from the outer surface of the building block body and / or the connecting parts are recessed inward from the outer surface of the building block body. Specifically, the multiple connecting parts include convex points and concave holes. The convex points are connected to the outer surface of the building block body and extend out of the outer surface of the building block body. The connecting parts include concave holes. The concave holes are recessed inward from the outer surface of the building block body and communicate with the weight-reducing hollow cavity. The material of the building block body is plastic.

[0004] Both silicone and plastic hollow building blocks are formed by injection molds, and the internal hollow cavity can only be formed through concave holes that communicate with the external space. Especially for silicone hollow building blocks, a blow molding process is also required for forming, which makes the production and manufacturing of hollow building blocks significantly more difficult than solid building blocks. In addition, during the actual play process of hollow building blocks, dust, dirt, liquid, or moisture can easily enter the hollow cavity directly through the concave holes, causing difficult-to-clean hygiene problems and potentially affecting children's health. At the same time, it may also cause the internal structure of the hollow building blocks to be affected by moisture, mildew, generate odors, or cause corrosion, affecting the service life and appearance of the building blocks. Summary of the Utility Model

[0005] In view of the above situation, in order to overcome the problems that the hollow building blocks in the above-mentioned prior art are difficult to form, inconvenient to produce, and dust, dirt, liquid or moisture can easily enter the hollow cavity, making it difficult to clean and may affect the health of children. At the same time, it may also cause the internal structure of the hollow building blocks to become damp and moldy, produce odor or cause corrosion, affecting the service life and appearance. The purpose of the utility model is to provide a hollow building block that is easy to form and easy to clean, thereby effectively overcoming the hygiene problem, and can effectively extend the service life and protect the integrity of the appearance.

[0006] In order to achieve the above purpose, the technical solution of the utility model is:

[0007] A combined hollow building block with no dead corners for cleaning comprises a plurality of building blocks, each of which comprises a building block base and a building block pin, wherein a lower hollow cavity and an upper hollow cavity are formed inside the building block base and the building block pin respectively, the lower hollow cavity and the upper hollow cavity respectively have an opening penetrating an outer side wall of the building block base and the building block pin, and the building block pin is inserted into the lower hollow cavity with its upper hollow cavity facing the building block base, so that the lower hollow cavity and the upper hollow cavity are closed.

[0008] Preferably, a lower flange is formed on the cavity wall of the lower hollow cavity, and an upper flange is formed on the outer wall of the building block pin, and the lower flange and the upper flange abut against each other up and down.

[0009] Preferably, there are two groups of upper flanges, the two upper flanges are opposite and spaced apart, and the lower flange is embedded between the two upper flanges.

[0010] Preferably, the corners of the outer walls of the upper flange and the lower flange are rounded.

[0011] Preferably, each outer side wall of the building block base is printed with a pattern.

[0012] Preferably, a pattern is printed on the outer side wall of the building block pin facing away from the lower hollow cavity.

[0013] Preferably, each outer side wall of the building block base is formed with a sinking groove, and the opening of the sinking groove is a trumpet-shaped opening.

[0014] Preferably, the corners of the building block base and the outer walls of the building block pins are rounded.

[0015] Preferably, the building block base and the building block pins are both made of silicone.

[0016] Compared with the prior art, the advantages of the utility model are:

[0017] (1) The hollow building blocks of the present utility model separate the integral building blocks into a building block base and a building block pin, enabling separate molding. The hollow cavity is divided into a lower hollow cavity and an upper hollow cavity that communicate with the external space on the building block base and the building block pin, reducing the molding difficulty. More specifically, when using an injection mold, the lower hollow cavity and the upper hollow cavity are formed by inserts, and the molded building block base and building block pin can be ejected out of the cavity only by the movement of the ejector pins, without the need for other additional complex processes, thereby reducing the molding difficulty and improving production efficiency.

[0018] (2) The hollow cavity jointly formed by the upper hollow cavity and the lower hollow cavity is a closed cavity, which can effectively prevent external dust, dirt, liquid or moisture from entering. Although the lower hollow cavity and the upper hollow cavity are open cavities, if the building block base and the building block pin are separated and dust, dirt, liquid or moisture enter, they can be easily and immediately cleaned, thus avoiding the formation of cleaning dead corners, preventing negative impacts on health during children's play, and preventing the internal structures of the building block base and the building block pin from getting damp and moldy, generating odors or being corroded, improving the service life of the entire building block and protecting the outside.

[0019] (3) In addition to being able to be lapped, each building block has another way of playing. Since the building block base and the building block pin are configured to be detachable, children can choose different-sized building block pins to freely combine with the building block base during play, better exerting their creativity, and thus greatly increasing the playability. Brief Description of the Drawings

[0020] Figure 1 is the overall structural schematic diagram of some building blocks included in the hollow building blocks of the present utility model;

[0021] Figure 2 is the structural schematic diagram when the building block base and the building block pin of one building block of the hollow building blocks of the present utility model are separated;

[0022] Figure 3 is the cross-sectional structural schematic diagram of one building block of the hollow building blocks of the present utility model;

[0023] Figure 4 is the present utility model Figure 3 The enlarged structural schematic diagram of part A;

[0024] Figure 5 is the overall structural schematic diagram of the building block base of one building block of the hollow building blocks of the present utility model;

[0025] Figure 6 is the overall structural schematic diagram of the building block pin of one building block of the hollow building blocks of the present utility model.

[0026] As shown in the figure:

[0027] 1. Building block base; 101. Lower hollow cavity; 102. Lower flange; 103. Sunk groove; 2. Building block pin; 201. Upper hollow cavity; 202. Upper flange; aa. Pattern. Detailed implementation mode

[0028] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of simplified description, rather than indicating or implying that the orientation must have a specific orientation and specific orientation structure and operation. Therefore, it should not be construed as a limitation to the present utility model.

[0030] Such as Figures 1 to 3 And Figure 5 And Figure 6As shown in the figure, the utility model relates to a combined hollow building block without cleaning dead corners, which comprises a plurality of building blocks. Each building block includes a building block base 1 and a building block pin 2. A lower hollow cavity 101 and an upper hollow cavity 201 are respectively formed in the building block base 1 and the building block pin 2. Both the lower hollow cavity 101 and the upper hollow cavity 201 are cavities with one side open and are communicated with the external space through the opening. The building block pin 2 is inserted into the lower hollow cavity 101 with the orientation of its upper hollow cavity 201 facing the building block base 1, so that the lower hollow cavity 101 and the upper hollow cavity 201 are closed. At this time, the upper hollow cavity 201 and the lower hollow cavity 101 together form a complete hollow cavity. The hollow building block of the utility model divides the integral building block into the building block base 1 and the building block pin 2, enabling separate molding. And the hollow cavity is divided into the lower hollow cavity 101 and the upper hollow cavity 201 communicated with the external space on the building block base 1 and the building block pin 2, reducing the molding difficulty. More specifically, when using an injection mold to form, the lower hollow cavity 101 and the upper hollow cavity 201 are formed by inserts, and only through the movement of the ejector pin, the formed building block base 1 and building block pin 2 can be ejected out of the cavity without the need for other additional complex processes, thereby realizing the reduction of molding difficulty and the improvement of production efficiency. At the same time, the hollow cavity formed by the upper hollow cavity 201 and the lower hollow cavity 101 is a closed cavity, which can effectively prevent external dust, dirt, liquid or moisture from entering. And although the lower hollow cavity 101 and the upper hollow cavity 201 are open cavities, if the building block base 1 and the building block pin 2 are separated and dust, dirt, liquid or moisture enter, they can be easily and immediately cleaned, thus avoiding the formation of cleaning dead corners, preventing negative impacts on health during children's play, and preventing the internal structures of the building block base 1 and the building block pin 2 from getting damp and moldy, generating odors or being corroded, improving the service life of the whole building block and protecting the appearance. In addition, in addition to being able to be lapped, each building block has another way of playing. Since the building block base 1 and the building block pin 2 are configured to be detachable, children can choose building block pins 2 of different sizes to be arbitrarily combined with the building block base 1 during play, better exerting their own creativity, and thus greatly increasing the playability.

[0031] As Figures 2 to 6 shown, a lower flange 102 is formed on the cavity wall of the lower hollow cavity 101, and an upper flange 202 is formed on the outer wall of the building block pin 2. The lower flange 102 and the upper flange 202 are in contact with each other up and down. When the building block base 1 and the building block pin 2 are in the engaged state, the mutual contact of the lower flange 102 and the upper flange 202 restricts their relative movement, reducing the possibility of separation under accidental external forces. It should be noted that in the utility model, the shapes of the lower flange 102 and the upper flange 202 are both annular, so that the building block base 1 and the building block pin 2 can be evenly stressed when they are engaged.

[0032] As Figures 2 to 4 and Figure 6As shown, there are two groups of upper flanges 202, the two upper flanges 202 are opposite and spaced apart, and the lower flange 102 is embedded between the two upper flanges 202. The two upper flanges 202 clamp the lower flange 102 to further reduce the possibility of separation of the building block base 1 and the building block pin 2 under the action of unexpected force, thereby achieving a more stable connection.

[0033] Furthermore, the corners of the outer walls of the upper flange 202 and the lower flange 102 are rounded. The rounded corners enable the building block pin 2 to be more easily separated from the building block base 1 under the action of a pulling force in a direction away from the lower hollow cavity 101, thereby allowing the building block base 1 and the building blocks to be played with separately by children.

[0034] like Figure 1 , Figure 2 and Figure 5 As shown, each outer side wall of the building block base 1 is printed with a pattern aa, and the pattern aa can be fruits and vegetables, letters, numbers, animals, scenery, regular or irregular graphics, etc., without special restrictions. The setting of the pattern aa is intended to enable children to learn about scenery and culture in life while using the building blocks to build or combine and splice, so that the building blocks of the utility model have a stronger educational function.

[0035] like Figure 1 , Figure 2 and Figure 6 As shown, the outer wall of the building block pin 2 facing away from the lower hollow cavity 101 is printed with a pattern aa. The pattern aa is consistent with the type of the pattern aa on the building block base 1. The pattern aa can be fruits and vegetables, letters, numbers, animals, scenery, regular or irregular graphics, etc., without any special restrictions. As a result, when the building block base 1 and the building block pin 2 are in the engaged state, children can observe the existence of the pattern aa from all sides when playing, so as to better play the educational function.

[0036] like Figures 1 to 5 As shown, a groove 103 is formed on each outer side wall of the building block base 1, and the opening of the groove 103 is a trumpet mouth. Based on the above arrangement, it is convenient for children to better control the building block base 1 and the movement of the complete building block with their fingers, thereby reducing the difficulty of overlapping or combining the building blocks.

[0037] Furthermore, the corners of the outer walls of the building block base 1 and the building block pin 2 are rounded, thereby enhancing the safety and comfort of the building blocks of the utility model, preventing children's hands from obtaining better tactile feedback when contacting the corners of the outer walls of the building block base 1 and the building block pin 2, and avoiding scratches.

[0038] Furthermore, the building block base 1 and the building block pins 2 are both made of silicone, which has excellent high temperature resistance, low temperature resistance, and chemical stability, so that the building block base 1 and the building blocks can reduce the possibility of structural damage, and it is non-toxic and harmless, so it has better safety. It also has elasticity, so that the building block base 1 and the building blocks can be better separated and spliced ​​under the control of children. In addition, there is no need to rely on additional blow molding process during molding, thereby greatly reducing the molding difficulty and significantly improving production efficiency.

[0039] Combination Figures 1 to 6 When children play with the building blocks of the utility model, they can not only overlap the building blocks to play, but also remove the building pin 2 of each building block from the building block base 1, and arbitrarily splice and combine the building pins 2 and building blocks of the same size to form new building blocks, thereby providing children with a better space to give full play to their creativity. In addition, during the play process, children can also observe the patterns aa on the surface of the building block base 1 and the building pins 2 from multiple directions. Through the patterns aa, children can also learn about the scenery and culture in life while building or combining the building blocks, thereby promoting the expansion of children's knowledge.

[0040] The above embodiments and descriptions are only for explaining the principle and the best embodiment of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected.

Claims

1. A modular hollow building block without cleaning dead corners, comprising a plurality of building blocks, characterized in that: Each of the building blocks comprises a building block base (1) and a building block pin (2); a lower hollow cavity (101) and an upper hollow cavity (201) are formed inside the building block base (1) and the building block pin (2), respectively; the lower hollow cavity (101) and the upper hollow cavity (201) respectively have an opening penetrating an outer wall of the building block base (1) and the building block pin (2); the building block pin (2) is inserted into the lower hollow cavity (101) with its upper hollow cavity (201) facing the building block base (1), so that the lower hollow cavity (101) and the upper hollow cavity (201) are closed.

2. A modular hollow building block without cleaning dead corners according to claim 1, characterized in that: A lower flange (102) is formed on the cavity wall of the lower hollow cavity (101), and an upper flange (202) is formed on the outer wall of the building block pin (2), and the lower flange (102) and the upper flange (202) abut against each other up and down.

3. A modular hollow building block without cleaning dead corners according to claim 2, characterized in that: The upper flanges (202) have two groups, the two upper flanges (202) are opposite to each other and spaced apart, and the lower flange (102) is embedded between the two upper flanges (202).

4. The combined hollow building block without cleaning dead corners according to claim 2, characterized in that: The corners of the outer walls of the upper flange (202) and the lower flange (102) are both rounded.

5. The combined hollow building block without cleaning dead corners according to claim 1, characterized in that: Each outer side wall of the building block base (1) is printed with a pattern (aa).

6. The combined hollow building block without cleaning dead corners according to claim 1, characterized in that: The outer side wall of the building block pin (2) facing away from the lower hollow cavity (101) is printed with a pattern (aa).

7. The combined hollow building block without cleaning dead corners according to claim 1, characterized in that: Each outer side wall of the building block base (1) is formed with a sink groove (103), and the opening of the sink groove (103) is a bell mouth.

8. The combined hollow building block without cleaning dead corners according to claim 1, characterized in that: The corners of the outer walls of the building block base (1) and the building block pin (2) are both rounded.

9. A modular hollow building block without cleaning dead corners according to any one of claims 1 to 8, characterized in that: The building block base (1) and the building block pins (2) are both made of silicone.

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