Construction kit element and method for producing same

Abstract

The invention relates to an element of a construction kit, a construction kit and a method for producing an element of a construction kit. An element of a construction kit comprises a first part and a second part which are configured for interconnection to form a cube-shaped element of a construction kit. The first part and the second part, respectively, have two side faces and an intermediate face which is connected to each of said side faces. Each intermediate face has at least two openings, and each side face has at least one protrusion on the outer edge thereof. The protrusions on the first part are configured to be interlockable with the openings in the second part, and the protrusions on the second part are configured to be interlockable with the openings in the first part. The technical result is that of enabling the highly precise and reliable connection of elements, while at the same time providing for an element that has a low weight, a low material content and a long service life, which is easier and less labour-intensive to produce and also has greater functionality and universality.

Description

[0001] DESIGN PART AND METHOD OF ITS PRODUCTION

[0002] Field of technology

[0003] The proposed invention relates to a construction set component that can be used for playing, learning, developing fine motor skills and spatial thinking, rehabilitating patients, and constructing visual models, such as molecular structures and various designs.

[0004] Prior art

[0005] Russian Patent No. 2774226, published June 16, 2022, discloses a construction set component, essentially a cube, with projections and recesses on each face arranged such that the cube can be mated with any other similar cube via any face. The component also has a means for connecting the parts together, which includes a rotating element. The projections are designed to ensure precise alignment of the mating faces in plan view when mated, and the means for connecting the parts is comprised of a rotating disk located on each face of the component with annular projections that can move within a corresponding annular groove formed in each face of the component. Each face also has a spring-loaded projection for interaction with the disk, limiting the disk's rotation angle to prevent it from falling out of the cube.

[0006] The disadvantages of the known technical solution include the complexity and multi-stage nature of manufacturing, high material consumption for manufacturing the part, low manufacturing accuracy of the part, short service life due to the fact that many protruding elements can break off, low functionality of the part, difficulty of assembly, and the need to use a separate key to connect the parts.

[0007] From the Russian Federation patent for utility model No. 31108, published on July 20, 2003, a construction set part is known, a cube at its base, which has one star-shaped protrusion on three adjacent faces, and a cylindrical recess on the faces opposite them, and where on all edges of the cube there are longitudinal notches, which, when four similar parts are connected in pairs, produces a through hole in the center of their alignment.

[0008] The disadvantages of the known technical solution include the complexity and multi-stage nature of manufacturing, high material consumption, low manufacturing accuracy, short service life due to the fact that many protruding elements can break off, low functionality of the part, difficulty in assembly, and rapid failure of the part due to the fact that with prolonged use the recesses will expand and the protrusions will not hold well in them, ultimately causing the assembled structure to fall apart.

[0009] The closest analog is the FischerTechnik Structural Block 15 (https: / / pacpac.ru / product / 32850-konstrukcionn yj -blok- 15 / ), which is a construction set component consisting of a top, side, and bottom surfaces. The top surface has a protrusion, and the side surfaces have vertical grooves.

[0010] The disadvantages of the known technical solution are the high material consumption for the production of the part, low accuracy of the part production, low functionality of the part, and the complexity of assembling the structure from the parts, since the parts can only be connected at the side protrusions and there is no possibility of connecting the upper and lower surfaces of the parts directly, and there is also a need for additional types of parts in order to obtain the desired structures.

[0011] Disclosure of invention

[0012] The objective of the present invention and the technical result are high precision and reliability of the connection of parts with low weight of the part and low material consumption, long service life of the part, reduction in the complexity and labor intensity of the production of the part, as well as increasing the functionality and versatility of the part.

[0013] In order to solve the above problem and achieve the technical result, a construction part is proposed, comprising a first part and a second part, which are designed with the possibility of being connected together to form a construction part, which has a cubic shape, characterized in that the first part contains two side faces and an intermediate face, which is connected to each of the side faces, and the second part contains two side faces and an intermediate face, which is connected to each of the side faces, wherein each intermediate face has at least two openings, and each side face on the outer edge has at least one projection, wherein the projections on the side faces of the first part are designed with the possibility of engaging with the openings of the intermediate face of the second part, and the projections on the side faces of the second part are designed with the possibility of engaging with the openings of the intermediate face of the first part.

[0014] The "cube-shaped" feature means that a construction part may have not only the ideal mathematical shape of a cube, which is difficult to achieve in reality, but also a shape that outwardly resembles a cube, despite the presence of bends, protrusions and depressions on it, with a depth / height of no more than 0.5 times the height of the face, while the angles between adjacent faces can be 80-100°.

[0015] In this application, the term “designer” means a set of parts for design, and a part of the designer is a device containing two interdependent parts that are connected to each other by engaging / snapping projections with corresponding holes, wherein said parts are in a functional and structural unity.

[0016] In this application, a "face" is defined as any substantially flat surface free of projections from the plane that serve no practical purpose (non-functional) and are greater than 3.75 mm in height. A face may also contain non-functional cavities (depressions), such as mold casting defects, as well as functional grooves and projections for engaging parts and components with one another, the height / depth of which is not considered in determining the flatness of the face's surface.

[0017] In this application, the outer edge of a lateral face is understood to be the edge that is farthest from the intermediate face and that is not connected to another lateral face or the intermediate face.

[0018] By engagement of a projection of a side face with a hole of an intermediate face is meant the connection of the projection with the hole in such a way as to limit their movement relative to each other, for example, by snapping the projections into the holes.

[0019] The production of a part from two parts, each of which consists of two side faces and one intermediate face, whereby the projections of one part can engage with the holes of the other part to form a design part having a cubic shape, allows for high precision and reliability of the connection of parts with a low weight of the part and low consumption of material, a long service life of the part, a reduction in the complexity and labor intensity of the production of the part, as well as an increase in the functionality and versatility of the part.

[0020] The above-mentioned connection of the parts allows you to get a solid construction set with a hollow space inside, into which you can place a small ball (ball), a bell, an LED, a rattle, and so on to increase the functionality of the part and expand the game functions. You can also place a magnet, microphone, voice recorder, GPS tracker inside the part to increase the functionality of the part and expand not only the game functions, but also tactical ones.

[0021] When producing a construction set part from a single piece of plastic, it is difficult to achieve high dimensional accuracy, since when filling the entire cube with plastic, the cooling time will be long, and due to uneven cooling, deformations will occur and the expansion of the cube in the diagonal direction will be greater than in the transverse direction.

[0022] The proposed design allows for the walls of the part to be made sufficiently thin and to achieve rapid and uniform cooling of the plastic after it is poured into the mold. This ensures high precision and reliability of the connection of parts with low part weight and low material consumption, a long service life of the part, and a reduction in the complexity and labor intensity of production.

[0023] Preferably, the side face projections have a height Hp, a width Wp, a length Lp, the intermediate face openings have a depth Ho, a width Wo, a length Lo, wherein Hp is equal to 0.8-1.2 Ho, preferably Hp is equal to 0.9-1.1 Ho,

[0024] Wp is 0.8-1 Wo, preferably 0.9-1 Wo,

[0025] Lp is 0.8-1 Lo, preferably 0.9-1 Lo.

[0026] The fact that the height of the side face projection Hp is from 0.8Ho (the depth of the intermediate face openings) to 1.2Ho inclusive, preferably from 0.9Ho to 1.1Ho inclusive, while the width of the side face projection Wp is from 0.8 Wo (the width of the intermediate face openings) to IWo inclusive, preferably from 0.9 Wo to IWo inclusive, and the length of the side face projection Lp is from 0.8 Lo (the length of the intermediate face openings) to 1 Lo inclusive, preferably from 0.9 Lo to 1 Lo inclusive, makes it possible to further increase the accuracy and reliability of the connection of the parts with a low weight of the part and low material consumption, to ensure a longer service life of the part, a reduction in the complexity and labor intensity of the part production, as well as an additional increase in the functionality and versatility of the part.

[0027] Preferably, the ratio Lp / Ll is 0.01-0.8, preferably 0.05-0.5, more preferably 0.07-0.3, where Lp is the length of the side face protrusion, L1 is the side face width, and the ratio Lo / H2 is 0.01-0.8, preferably 0.05-0.5, more preferably 0.07-0.3, where Lo is the length of the intermediate face opening, H2 is the intermediate face height.

[0028] This allows for further improvement in the precision and reliability of part connections with low part weight and low material consumption, ensuring a longer service life for the part, reducing the complexity and labor intensity of part production, and further increasing the functionality and versatility of the part.

[0029] Preferably, the side edge projection has a narrow portion and a thickening, wherein the opening of the intermediate edge has a projection configured to engage with the thickening of the side edge projection.

[0030] The presence of a thickening (a section with a greater width) on the projection of the side face and a projection inside the hole of the intermediate face allows for better engagement of the first and second parts and further increases the accuracy and reliability of the connection of parts with a low weight of the part and low material consumption, ensures a longer service life of the part, reduces the complexity and labor intensity of the production of the part, and also further increases the functionality and versatility of the part.

[0031] Preferably, the narrow part of the side edge projection has a height Hpi equal to 0.1-0.8 Hp, preferably 0.1-0.7 Hp, and a width Wpi equal to 0.1-0.8 Wp, preferably 0.1-0.7 Wp.

[0032] The fact that the height of the narrow part of the side face projection Hpi is from 0.1Hp (the height of the side face projection) to 0.8Hp inclusive, preferably from 0.1Hp to 0.7Hp inclusive, while the width of the narrow part of the side face projection Wpi is from 0.1 Wp (the width of the side face projection) to 0.8Wp inclusive, preferably from 0.1 Wp to 0.7Wp inclusive, ensures reliable engagement of the first and second parts while maintaining high strength of the projection. This allows for an additional increase in the accuracy and reliability of the connection of the parts with a low weight of the part and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of the part production, and further increasing the functionality and versatility of the part.

[0033] Preferably, the opening of the intermediate face is located at a distance of 0.1-5 mm, preferably 0.3-3 mm from the closest free edge of the intermediate face.

[0034] The free edge of an intermediate face is an edge that is not connected to other faces, unlike a lateral edge, which is connected to a lateral face.

[0035] Placing holes at a specified distance from the nearest free edge of the intermediate face allows for additionally increasing the precision and reliability of the connection of parts with low part weight and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of part production, as well as further increasing the functionality and versatility of the part.

[0036] Preferably, each side face has a width L1, wherein on each side face there are two projections at a distance Sp from each other, wherein Ll / Sp is equal to 1-4.5, preferably 1.5-3.5, more preferably 1.6-3.1, and each intermediate face has a height H2, wherein on each intermediate face there are two openings at a distance So from each other, wherein H2 / So is equal to 1-4.5, preferably 1.5-3.5, more preferably 1.6-3.1.

[0037] The above proportions allow for further improvement in the precision and reliability of the connection of parts with low part weight and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of production of the part, as well as further increasing the functionality and versatility of the part.

[0038] Preferably, each side face has a height H1, a width L1, a thickness

[0039] W1. and each intermediate face has a height of H2, a width of L2, a thickness of W2, where H2 is equal to 0.9-1.1 of the sum of H1 and W2, preferably H2 is equal to the sum

[0040] H1 and W2,

[0041] L1 is 0.9-1.1 L2, preferably L1 is L2,

[0042] W1 is equal to 0.9-1.1 W2, preferably W1 is equal to W2.

[0043] This allows for further improvement in the precision and reliability of part connections with low part weight and low material consumption, ensuring a longer service life for the part, reducing the complexity and labor intensity of part production, and further increasing the functionality and versatility of the part.

[0044] Preferably, each side face has a thickness W1 equal to 1-10 mm, preferably 1.5-3 mm, more preferably 1.8-2.5 mm, and each intermediate face has a thickness W2 equal to 1-10 mm, preferably 1.5-3 mm, more preferably 1.8-2.5 mm.

[0045] Thin walls of the part allow for faster and more uniform cooling of the plastic after it is poured into the mold, which further ensures high precision and reliability of the connection of parts with low weight of the part and low material consumption, a long service life of the part, and a reduction in the complexity and labor intensity of the part's production.

[0046] A wall thickness of 1-10 mm allows the walls to be thin enough to cool quickly and strong enough to be less easily deformed.

[0047] The thin walls also allow for ample space inside the part, allowing for the placement of a small ball, bell, LED, rattle, and so on, to further enhance the functionality of the part and expand its gaming capabilities. A magnet, microphone, voice recorder, or GPS tracker can also be placed inside the part to further enhance the functionality of the part and expand not only its gaming capabilities, but also its tactical capabilities.

[0048] Preferably, each side face has a height H1 equal to 3-98 mm, preferably 8-48 mm, more preferably 12-25 mm, and a width L1 equal to 5-100 mm, preferably 10-50 mm, more preferably 14-26 mm, and each intermediate face has a height H2 equal to 5-100 mm, preferably 10-50 mm, more preferably 14-26 mm, and a width L2 equal to 5-100 mm, preferably 10-50 mm, more preferably 14-26 mm. The faces may have any dimensions, but the above dimensions allow for an additional increase in the accuracy and reliability of the connection of the parts with a low weight of the part and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of the production of the part, as well as an additional increase in the functionality and versatility of the part.

[0049] Preferably, two side faces of the first part are connected to each other along one of the side edges of each face, and two side faces of the second part are connected to each other along one of the side edges of each face.

[0050] In this version, two side faces are connected to each other, forming a "corner," which increases the strength of the first and second parts before they are connected to each other to form a single design part. This allows for an additional increase in the precision and reliability of the connection of parts with a low part weight and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of production of the part, as well as further increasing the functionality and versatility of the part.

[0051] Preferably, the two side faces of the first part are located at an angle of 0-5° with respect to each other, preferably they are substantially parallel to each other, and the two side faces of the second part are located at an angle of 0-5° with respect to each other, preferably they are substantially parallel to each other.

[0052] In this embodiment, the first and second parts have a shape resembling the letter "U" in cross-section, which allows for faster cooling of the part after casting and further increases the precision and reliability of the connection of parts with a low part weight and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of production of the part, as well as further increasing the functionality and versatility of the part.

[0053] Preferably, each side face of the first part is positioned at an angle of 80-100° to the intermediate face of the first part, and each side face of the second part is positioned at an angle of 80-100° to the intermediate face of the second part. This further improves the precision and reliability of the part connection while maintaining low part weight and material consumption, ensuring a longer part service life, reducing the complexity and labor intensity of manufacturing, and further enhancing the functionality and versatility of the part.

[0054] Preferably, the side face of the first part has two side edges, wherein at least one side edge has a chamfer located at an angle of 42-45°, preferably 43.0-44.9°, more preferably 43.5-44.5° to the outer surface of the side face, the side face of the second part has two side edges, wherein at least one side edge has a chamfer located at an angle of 42-45°, preferably 43.0-44.9°, more preferably 43.5-44.5° to the outer surface of the side face.

[0055] This allows for further improvement in the precision and reliability of part connections with low part weight and low material consumption, ensuring a longer service life for the part, reducing the complexity and labor intensity of part production, and further increasing the functionality and versatility of the part.

[0056] The presence of a chamfer allows for a more precise connection of two parts, while a chamfer at an angle of less than 45° is preferable, since it eliminates the occurrence of bulges during assembly.

[0057] Preferably, the side face of the first part has two side edges, wherein each side edge has a chamfer located at an angle of 42-45°, preferably 43.0-44.9°, more preferably 43.5-44.5° to the outer surface of the side face, the side face of the second part has two side edges, wherein each side edge has a chamfer located at an angle of 42-45°, preferably 43.0-44.9°, more preferably 43.5-44.5° to the outer surface of the side face.

[0058] This allows for further improvement in the precision and reliability of part connections with low part weight and low material consumption, ensuring a longer service life for the part, reducing the complexity and labor intensity of part production, and further increasing the functionality and versatility of the part.

[0059] The presence of a chamfer allows for a more precise connection of the two parts, with a chamfer angle of less than 45° being preferable, as it prevents bulging during assembly. Preferably, each side face and intermediate face of the first part and second part has a recess containing a through hole, ramps, and arc-shaped elements with teeth located on opposite sides of the recess and configured to engage in a toothed engagement with a connecting element containing at least one tooth.

[0060] This allows for further improvement in the precision and reliability of part connections with low part weight and low material consumption, ensuring a longer service life for the part, reducing the complexity and labor intensity of part production, and further increasing the functionality and versatility of the part.

[0061] The slopes in the recess facilitate the removal of the connecting element (not shown) from the through hole, and the arcuate elements with teeth located on opposite sides of the recess allow for toothed engagement with the connecting element containing at least one tooth and used to connect two claimed parts of the designer together in such a way as to counteract the movement of the parts in opposite directions while maintaining the possibility of rotational movement of the parts relative to each other.

[0062] The tooth of the connecting element, by engaging with the teeth of the recess, allows for discrete (at a certain angle at a time) rotation of one part relative to another part.

[0063] Preferably, each face has at least two teeth, preferably four teeth, more preferably eight teeth, located on opposite sides of the recess.

[0064] This allows for further improvement in the precision and reliability of part connections with low part weight and low material consumption, ensuring a longer service life for the part, reducing the complexity and labor intensity of part production, and further increasing the functionality and versatility of the part.

[0065] The above number of teeth allows for the ability to hold parts at certain rotation angles (e.g. 30°, 45°, 60°, 90°).

[0066] Preferably, the intermediate face of the first part contains a groove having an inlet opening on the side of one of the free edges of the intermediate face of the first part, each of the side faces has a groove having an inlet opening on the side of the intermediate face of the first part, the intermediate face of the second part contains a protrusion, each of the side faces has a groove having an inlet opening on the side of the intermediate face of the second part.

[0067] In this application, a groove refers to a recess. The groove of one part is designed to accommodate the projection of another similar part.

[0068] In this application, a projection on an intermediate face is defined as an element that rises above the face surface. When connecting two parts by inserting the projection into a groove in a similar part of the design, the projection of one part allows for counter-movement of the parts in opposite directions while maintaining the possibility of rotational movement of the parts relative to each other.

[0069] The creation of grooves on the side faces of the first and second parts and the intermediate face of the first part, as well as a projection on the intermediate face of the second part, allows for the functionality and versatility of the part to be increased, since it provides the ability to connect two parts by inserting the projection of another similar part into the groove of one part, thus forming an arbitrarily long structure, each element (part) of which can rotate around its axis.

[0070] In this way, you can make a tall tower, a snake, and so on, with each piece having its own image (letter, number, image, color), and by rotating individual pieces, you can change the image created on the long structure as a whole.

[0071] The placement of the inlet opening of the groove on the side of the adjacent face (the groove on the intermediate face of the first part has an inlet opening on the side of one of the free edges of the intermediate face of the first part, and each of the side faces has a groove having an inlet opening on the side of the intermediate face) allows the projection of another similar part to be pushed (advanced) into the groove through the inlet opening on the adjacent face, thus, it is possible to equip the groove with protruding parts that will keep the projection from falling out in the pushed-in state, which will increase the reliability of the connection of the parts and their service life.

[0072] The presence of grooves on five of the six sides of the part allows for further enhancement of the functionality and versatility of the part, as it provides the ability to attach other similar parts to different sides of the part, thus increasing the number of possible combinations with the increase in the number of grooves on the side faces.

[0073] The increased functionality also lies in the fact that such parts can be used, for example, to build molecular structures, as well as any constructions that the imagination is capable of.

[0074] Placing the inlet openings of the side face grooves on the intermediate face, and the inlet opening of the intermediate face groove on the side of one of the free edges of this intermediate face, allows for an additional increase in the accuracy and reliability of the connection of the parts, their service life, and also simplifies the manufacturing process of the part, since such grooves on all faces can be formed in one step.

[0075] Preferably, the projection is made in such a way that when two similar parts of the construction set are connected by inserting the projection of one part of the construction set into the groove of the other part of the construction set, said projection counteracts the movement of the parts of the construction set in opposite directions while maintaining the possibility of rotational movement of the parts of the construction set relative to each other.

[0076] In the above design, a part can rotate relative to another part without being separated from it, which allows for the assembly of various structures that will be firmly held together without falling apart or deforming the parts.

[0077] This allows for further improvement in the precision and reliability of part connections with low part weight and low material consumption, ensuring a longer service life for the part, reducing the complexity and labor intensity of part production, and further increasing the functionality and versatility of the part.

[0078] Preferably, each groove has a stop that is designed with the ability to limit the translational movement of the protrusion of another similar part of the constructor while maintaining the possibility of its rotational movement.

[0079] Thus, two connected parts can rotate relative to each other without being separated, allowing them to be assembled into any structure at any angle without the risk of deformation. This further increases the precision and reliability of the connection, while maintaining low weight and material consumption. This ensures a longer service life, reduces the complexity and labor intensity of manufacturing, and further enhances the functionality and versatility of the part.

[0080] Preferably, the stop is made in such a way that when connecting two similar parts of the constructor, the central axis of one part of the constructor is located at an angle of no more than 5°, preferably no more than 3°, more preferably no more than 2°, to the central axis of the other part of the constructor.

[0081] The central axis of a part is the longitudinal axis of the part, running along the entire center of the part in the direction from one face to the opposite (opposite) face. If the part is symmetrical, then the central axis of the part is its axis of symmetry. This alignment (essentially coaxial placement) of parts is clearly visible in drawings.

[0082] The above characteristics allow for further improvement of the precision and reliability of the connection of parts with a low weight of the part and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of the production of the part, as well as further increasing the functionality and versatility of the part, since they provide, essentially, coaxial placement of parts, reducing the number of protruding parts that can break off, increasing the reliability of the engagement of parts for the creation of any large structures without the risk of their destruction.

[0083] Preferably, the central axis of the groove is located at a distance of no more than 10 mm, preferably no more than 3 mm, more preferably no more than 2 mm, more preferably no more than 1 mm, from the central axis of the side face or intermediate face on which it is located.

[0084] The central axis of a groove is the longitudinal axis of the groove, running along the entire length of the groove and centered in the groove. If the groove is symmetrical, then the central axis of the groove is the axis of symmetry of the groove.

[0085] The central axis of a face is the longitudinal axis of the face, running from one edge of the face to the opposite (opposite) edge. If the face is symmetrical, then the central axis of the face is the axis of symmetry of the face.

[0086] The above characteristics allow for further improvement of the precision and reliability of the connection of parts with a low weight of the part and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of the production of the part, as well as further increasing the functionality and versatility of the part, since they provide, essentially, coaxial placement of parts, reducing the number of protruding parts that can break off, increasing the reliability of the engagement of parts for the creation of any large structures without the risk of their destruction.

[0087] Preferably, the central axis of the groove is located at an angle of no more than 5°, preferably no more than 3°, more preferably no more than 2° to the central axis of the side face or intermediate face on which it is located, more preferably the central axis of the groove is located substantially parallel to the central axis of the side face or intermediate face on which it is located.

[0088] The above characteristics allow for further improvement of the precision and reliability of the connection of parts with a low weight of the part and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of the production of the part, as well as further increasing the functionality and versatility of the part, since they provide, essentially, coaxial placement of parts, reducing the number of protruding parts that can break off, increasing the reliability of the engagement of parts for the creation of any large structures without the risk of their destruction.

[0089] Preferably, the central axis of the protrusion is located at a distance of no more than 10 mm, preferably no more than 3 mm, more preferably no more than 2 mm, more preferably no more than 1 mm, from the central axis of the intermediate face on which it is located.

[0090] The above characteristics allow for further improvement of the precision and reliability of the connection of parts with a low weight of the part and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of the production of the part, as well as further increasing the functionality and versatility of the part, since they provide, essentially, coaxial placement of parts, reducing the number of protruding parts that can break off, increasing the reliability of the engagement of parts for the creation of any large structures without the risk of their destruction.

[0091] Preferably, the ratio of the length L6 of the groove to the width L2 of the intermediate edge is 0.1-0.8, preferably 0.2-0.7, and the ratio of the depth H6 of the groove to the height H2 of the intermediate edge is 0.05-0.5, preferably 0.05-0.2.

[0092] The above characteristics allow for further improvement of the precision and reliability of the connection of parts with a low weight of the part and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of the production of the part, as well as further increasing the functionality and versatility of the part, since they provide, essentially, coaxial placement of parts, reducing the number of protruding parts that can break off, increasing the reliability of the engagement of parts for the creation of any large structures without the risk of their destruction.

[0093] Preferably, the protrusion has a narrow part and a wide part, wherein the ratio of the height of the narrow part h to the height of the protrusion H5 is 0.3-0.8, preferably 0.4-0.7, more preferably 0.45-0.55, wherein the ratio of the width W5 of the wide part of the protrusion to the width W6 of the groove is 0.6-1, preferably 0.7-1, more preferably 0.8-1.

[0094] The execution of the protrusion in the above manner: in the form of a “hat” (the wide part of the protrusion) on a “leg” (the narrow part of the protrusion), allows for the possibility of rotation of one part relative to another part while maintaining their engagement.

[0095] This allows for further enhancement of the functionality and versatility of the part, as the part can rotate relative to another part without being separated from it, and the parts can be used to create any length of structure.

[0096] The above characteristics further enhance the precision and reliability of the part connection while maintaining low part weight and material consumption, ensuring a longer part life, reducing the complexity and labor intensity of manufacturing, and further enhancing the functionality and versatility of the part. Preferably, the wide portion of the protrusion has flat surfaces designed to interact with the groove of a similar part in the design so that when the protrusion is inserted into the groove and rotated a predetermined degree, the protrusion is held in position.

[0097] The above characteristics allow for further improvement of the precision and reliability of the connection of parts with low part weight and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of production of the part, as well as further increasing the functionality and versatility of the part, further expanding the possibilities for creating stable spatial structures of various shapes and reducing the wear of parts in the assembled structure.

[0098] Preferably, the narrow portion of the projection has flat surfaces designed to interact with a groove of a similar part of the construction set in such a way that when the projection is inserted into said groove and when rotated by a given degree, the projection is held in this position.

[0099] The above characteristics allow for further improvement of the precision and reliability of the connection of parts with low part weight and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of production of the part, as well as further increasing the functionality and versatility of the part, further expanding the possibilities for creating stable spatial structures of various shapes and reducing the wear of parts in the assembled structure.

[0100] Preferably, the part is made of a plastic material, preferably selected from the following: plastic, polyethylene terephthalate, high-density polyethylene, low-pressure polyethylene, polyvinyl chloride, low-density polyethylene, high-pressure polyethylene, polypropylene, polystyrene, polycarbonate, polyamide and other types of plastics.

[0101] The above characteristics allow for further improvement of the precision and reliability of the connection of parts with low part weight and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of production of the part, as well as further increasing the functionality and versatility of the part, further expanding the possibilities for creating stable spatial structures of various shapes and reducing the wear of parts in the assembled structure.

[0102] Preferably, the part is made of transparent or translucent material.

[0103] Making a part from a transparent or translucent material further enhances its functionality, as such parts can be used, for example, to explore color mixing by connecting several translucent colored parts and shining light through them. A small ball, bell, LED, rattle, and other objects can also be placed inside such a part to enhance its functionality and expand its play options.

[0104] The above characteristics allow for further improvement of the precision and reliability of the connection of parts with low part weight and low material consumption, ensuring a longer service life of the part, reducing the complexity and labor intensity of production of the part, as well as further increasing the functionality and versatility of the part, further expanding the possibilities for creating stable spatial structures of various shapes and reducing the wear of parts in the assembled structure.

[0105] Also, to solve the above problem and achieve the technical result, a designer is proposed that contains at least two of the above parts.

[0106] All the benefits mentioned above in relation to the constructor part are fully applicable to the above constructor.

[0107] Also, to solve the above-mentioned problem and achieve the technical result, a method for producing the above-mentioned construction part is proposed, including connecting the first part and the second part to form a construction part that has a cubic shape, characterized in that each projection on the outer edge of each side face of the first part engages with the corresponding hole of the intermediate face of the second part, and each projection on the outer edge of each side face of the second part engages with the corresponding hole of the intermediate face of the first part.

[0108] All the advantages mentioned above in relation to the design part are fully applicable to the above method.

[0109] The above operations allow for increased precision and reliability of part connections with low part weight and low material consumption, ensuring a longer service life for the part, reducing the complexity and labor intensity of part production, and further enhancing the functionality and versatility of the part.

[0110] Brief description of the drawings

[0111] The drawings are presented for a better understanding of the invention, however, it will be obvious to a person skilled in the art that the disclosed invention is not limited to the embodiment shown in them.

[0112] Fig. 1 shows a three-dimensional view of the claimed part in assembly in accordance with the first embodiment.

[0113] Fig. 2 shows a three-dimensional view of the first part of the claimed part in accordance with the first embodiment.

[0114] Fig. 3 shows a volumetric view of the second part of the claimed part in accordance with the first embodiment.

[0115] Fig. 4 shows a front view of the first part of the claimed part in accordance with the first embodiment.

[0116] Fig. 5 shows a front view of the second part of the claimed part in accordance with the first embodiment.

[0117] Fig. 6 shows a front view of the claimed part in assembly in accordance with the first embodiment.

[0118] Fig. 7 shows a sectional view along line 1-1 of the claimed part in assembly shown in Fig. 6.

[0119] Fig. 8 shows an enlarged local view A of the junction of two parts of the claimed part from Fig. 6.

[0120] Fig. 9 shows a volumetric local view A of the place where two parts of the claimed part from Fig. 6 are connected.

[0121] Fig. 10 shows a three-dimensional view of the claimed part in assembly in accordance with the second embodiment. Fig. 11 shows a three-dimensional view of the first part of the claimed part in accordance with the second embodiment.

[0122] Fig. 12 shows a volumetric view of the second part of the claimed part in accordance with the second embodiment.

[0123] Fig. 13 shows a front view of the first part of the claimed part in accordance with the second embodiment.

[0124] Fig. 14 shows a front view of the second part of the claimed part in accordance with the second embodiment.

[0125] Fig. 15 shows a front view of the claimed assembled part in accordance with the second embodiment.

[0126] Fig. 16 is a sectional view along line 1-1 of the claimed assembled part shown in Fig. 15.

[0127] Fig. 17 shows an enlarged local view A of the junction of two parts of the claimed part from Fig. 15.

[0128] Fig. 18 shows a volumetric local view A of the place where two parts of the claimed part from Fig. 15 are connected.

[0129] Fig. 19 shows a three-dimensional view of the claimed part in exploded view in accordance with the first embodiment with one protrusion on each side face.

[0130] Fig. 20 shows a three-dimensional view of the claimed part in assembly in accordance with the first embodiment with one protrusion on each side face.

[0131] Fig. 21 shows a volumetric view of the second part of the claimed part in accordance with the first embodiment with one protrusion on each side face.

[0132] Fig. 22 shows a three-dimensional view of the claimed part in exploded view in accordance with a third embodiment with two protrusions on each side face.

[0133] Fig. 23 shows a three-dimensional view of the claimed part in assembly in accordance with the third embodiment with two protrusions on each side face.

[0134] Fig. 24 is a three-dimensional view of the claimed part in exploded view in accordance with the third embodiment with one protrusion on each side face. Fig. 25 is a three-dimensional view of the claimed part in assembly in accordance with the third embodiment with one protrusion on each side face.

[0135] Embodiments of the invention and the best mode for carrying out the invention

[0136] The described embodiments are provided for illustrative purposes only. Those skilled in the art will readily recognize that other embodiments are possible without changing the essence of the invention.

[0137] Fig. 1-18 shows different embodiments of the constructor part 1, which consists of a first part 11 and a second part 21, designed with the possibility of being connected to each other.

[0138] The first part 11 and the second part 21 are designed with the possibility of being connected together to form part 1 of the constructor.

[0139] The first part 11 contains side faces 111 and 311, between which an intermediate face 211 is located.

[0140] The second part 21 contains side faces 121 and 321, between which an intermediate face 221 is located.

[0141] The lateral face 111 is located at an angle C111 to the intermediate face 211, the lateral face 311 is located at an angle C311 to the intermediate face 211.

[0142] The lateral face 121 is located at an angle C121 to the intermediate face 221, the lateral face 321 is located at an angle C321 to the intermediate face 221.

[0143] The lateral face 111 of the first part has:

[0144] - outer surface Sill and inner surface V111,

[0145] - Bill side edges with a chamfer made at an angle A111 to the outer surface of the Sill,

[0146] - an outer edge E111 with at least one projection P1 of the first part (or two, three or more projections (not shown)), made with the possibility of engaging with at least one opening 02 of the second part (or two, three or more openings (not shown).

[0147] The second lateral face 311 of the first part has:

[0148] - outer surface S311 and inner surface V311, - side edges B311 with a chamfer made at an angle A311 to the outer surface S311,

[0149] - an outer edge E311 with at least one projection P1 of the first part (or two, three or more projections (not shown)), made with the possibility of engaging with at least one opening 02 of the second part (or two, three or more openings (not shown).

[0150] The intermediate face 211 of the first part has:

[0151] - outer surface S211 and inner surface V211,

[0152] - lateral edges B211, one of which is connected to lateral face 111, and the second of which is connected to lateral face 311,

[0153] - free edges E211 (by “free” edges we mean edges that are not connected to other edges, in contrast to side edges, which are connected to the side edge),

[0154] - at least two openings O1 of the first part (or two, three or more openings (not shown)), made with the possibility of engaging with protrusions P2 on each side face of the second part (or two, three or more protrusions (not shown).

[0155] The lateral face 121 of the second part has:

[0156] - outer surface S121 and inner surface V121,

[0157] - side edges B121 with a chamfer made at an angle A121 to the outer surface S121,

[0158] - an outer edge E121 with at least one projection P2 of the second part (or two, three or more projections (not shown)), made with the possibility of engaging with at least one opening O1 of the first part (or two, three or more openings (not shown).

[0159] The second lateral face 321 of the second part has:

[0160] - outer surface S321 and inner surface V321,

[0161] - side edges B321 with a chamfer made at an angle A321 to the outer surface S321,

[0162] - an outer edge E321 with at least one projection P2 of the second part (or two, three or more projections (not shown)), made with the possibility of engaging with at least one opening O1 of the first part (or two, three or more openings (not shown).

[0163] The intermediate face 221 of the second part has:

[0164] - outer surface S221 and inner surface V221,

[0165] - lateral edges B221, one of which is connected to lateral face 121, and the second of which is connected to lateral face 321,

[0166] - free edges E221 (by “free” edges we mean edges that are not connected to other edges, in contrast to side edges, which are connected to the side edge),

[0167] - at least two openings 02 of the second part (or two, three or more openings (not shown)) made with the possibility of engaging with the projections P1 on each side face of the first part (or two, three or more projections (not shown).

[0168] The projections Pl, P2 have a full height Hp, a height of the narrow part Hpi (from the outer edge of the side face to the thickening P), a full width Wp, a width of the narrow part Wpi, a length Lp.

[0169] The projections Pl, P2 have a thickening P on the edge.

[0170] Holes O1, O2 have depth Ho, width Wo, length Lo.

[0171] Inside each hole O1, O2 there is a projection O for engagement with the thickenings P of the projections.

[0172] Each hole in the intermediate face is located at a distance of approximately 1 mm from the closest free edge of the intermediate face.

[0173] If there is more than one projection on the outer edge of a face, then the distance between two adjacent projections on one outer edge (between two P1 or between two P2) is equal to Sp, and the distance between two adjacent holes of one part of the part with which two adjacent projections on the outer edge of another part of the part engage (between two O1 or between two O2) is equal to So.

[0174] All dimensions are measured as shown in the drawings.

[0175] The lateral face 111 of the first part, the second lateral face 311, the lateral face 121 of the second part, the second lateral face 321 of the second part have a height H1, a width L1, and a thickness W1. The intermediate face 211 of the first part, the intermediate face 221 of the second part, have a height H2, a width L2, and a thickness W2.

[0176] Two side faces of the first part may be connected to each other along one of the side edges of each face, and two side faces of the second part may be connected to each other along one of the side edges of each face (not shown in the drawings).

[0177] The drawings show a variant in which the two side faces of the first part are substantially parallel to each other (U-shaped profile in cross section) and the two side faces of the second part are substantially parallel to each other (U-shaped profile in cross section).

[0178] The assembly of the part is carried out as follows

[0179] The first part 11 is connected to the second part 21 by engaging (snapping) the projections P1 of the first part into the openings 02 of the second part, and the projections P2 of the second part into the openings O1 of the first part, whereby each projection enters the opening corresponding to it until it snaps into place, forming the part 1 of the constructor, which has a cubic shape.

[0180] As a result of connecting the first part 11 and the second part 21, a solid part 1 of the constructor is formed with a hollow space inside, into which a small ball (ball), a bell, an LED, a rattle, and so on can be placed in advance to increase the functionality of the part and expand the game functions.

[0181] You can also place a magnet, microphone, voice recorder, or GPS tracker inside the part to increase the functionality of the part and expand not only its gaming functions, but also its tactical ones.

[0182] All reference designations apply to all embodiments. Identical reference numbers in the drawings denote structurally identical parts of the part; therefore, unless otherwise specifically stated, all statements previously made regarding other parts of the part with the same reference number apply to them.

[0183] First embodiment

[0184] According to the first embodiment shown in Figs. 1-9, 19-21, on each side face and intermediate face of the first part 11 and the second part 21 there is a recess D containing a through hole D2 with a diameter D22. The recess D has slopes U1 and U2, which facilitate the extraction of the connecting element (not shown) from the through hole D2, as well as arcuate elements with teeth D1, located on opposite sides of the recess and made with the possibility of toothed engagement with the connecting element, containing at least one tooth and used to connect two claimed parts of the designer together in such a way as to counteract the movement of the parts in opposite directions while maintaining the possibility of rotational movement of the parts relative to each other.

[0185] The tooth of the connecting element, by engaging with the teeth D1 of the recess D, allows for discrete (at a certain angle at a time) rotation of one part relative to another part.

[0186] Table 1

[0187]

[0188] (1) orange, blue, red, green, etc.

[0189] Note:

[0190] * - high precision and reliability (no deformations during production)

[0191] ** - very high precision and reliability (deformations are excluded not only during production, but also during operation).

[0192] The second (best) option for implementation

[0193] According to the second (best) embodiment shown in Fig. 10-18, the first part 11 comprises:

[0194] - a groove 6a located on the intermediate face 211, having an inlet opening 6ai from the side of one of the free edges E221 of the intermediate face 211,

[0195] - a groove 6Ь located on the side edge 111, having an inlet opening 6bi from the side of the intermediate edge 211,

[0196] - a groove 6c located on the side edge 311, having an inlet opening 6ci from the side of the intermediate edge 211.

[0197] The second part 21 contains:

[0198] - a projection 5 located on the intermediate face 221,

[0199] - a groove 6d located on the side edge 121, having an inlet opening 6di from the side of the intermediate edge 221, - a groove be located on the side edge 321, having an inlet opening 6ei from the side of the intermediate edge 221.

[0200] The projection 5 has a narrow part 52 (a leg, a narrowing) and a wide part 53 (a cap, a thickening), wherein the wide part has a protruding part 51, which protrudes in relation to the narrow part 52.

[0201] The projection 5 has a height of H5, the narrow part 52 has a height of h and a width of a, the wide part 53 has a width of W5.

[0202] The narrow section 52 has a polygonal shape, allowing the part to be held when rotating at predetermined angles N1, N2, and N3. For example, the part can be held when rotating at N1=45°, N2=60°, and N3=75°. Upon reaching a predetermined angle, say, 45°, further rotation would trigger a click, indicating that the rotation angle has exceeded the predetermined value. This is shown in detail in Figs. 19-21.

[0203] Grooves 6a, 6b, 6c, 6d, be have depth (height) H6, width W6, length L6.

[0204] The projection 5 is located essentially in the center of the intermediate edge 211 of the first part.

[0205] Grooves 6a, 6b, 6c, 6d, be are located essentially along the central axis of the face on which they are made.

[0206] The grooves 6a, 6b, 6c, 6d, be are made in such a way that the projection 5 of another similar part can be pushed into any of the grooves through the inlet opening until it stops, while the groove has a protruding part that keeps the projection 5 from falling out of the groove by engaging with the protruding part 51 of the projection 5.

[0207] Part 1 of the constructor has a cubic shape.

[0208] This form of part 1 of the constructor is the most preferable, since it allows the part to be made more universal.

[0209] The shape of the protrusion 5 can have any shape, it is preferable that it have a narrow part 52 (leg, narrowing) and a wide part 53, for example, the protrusion can have the shape of a mushroom, a truncated cone, a truncated pyramid, a prism, a ball, a truncated ball, and so on.

[0210] Part 1 of the construction kit, assembled from the first part 11 and the second part 21, has one projection 5 on one face and five similarly shaped grooves on each of the remaining faces: 6a, 6b, 6c, 6d, 6b, wherein the entry hole of each groove is located on the adjacent face. The grooves 6a, 6b, 6c, 6d, 6b are designed in such a way that the projection 5 of another similar part 1 can be pushed into the groove through the entry hole on the adjacent face until it stops, whereby both connected parts 1 will be located essentially coaxially.

[0211] When any of the grooves 6a, 6b, 6c, 6d, 6b of part 1 and the projection 5 of another similar part 1 are engaged, each of the parts can rotate around its axis or can be disconnected from the other part by sliding the projection 5 out of the groove, but the movement of the parts in other directions without applying significant force will be difficult.

[0212] Table 2

[0213]

[0214] (1) orange, blue, red, green, etc. Note:

[0215] * - high precision and reliability (no deformations during production)

[0216] ** - very high precision and reliability (deformations are excluded not only during production, but also during operation).

[0217] Third embodiment

[0218] According to the third embodiment shown in Fig. 22-25, the two side faces 111 and 311 of the first part are connected to each other along one of the side edges of each face, and the two side faces of the second part 121 and 321 are connected to each other along one of the side edges of each face.

[0219] All the main characteristics are the same as in the second embodiment. Table 3

[0220] (1) orange, blue, red, green, etc.

[0221] Note:

[0222] * - high precision and reliability (no deformations during production) ** - very high precision and reliability (deformations are excluded not only during production, but also during operation).

[0223] The above mentioned parts of 1 constructor together form a constructor - a set of parts for construction.

[0224] Method of manufacturing a construction kit part

[0225] The parts of the construction set are produced (obtained) by connecting the first part 11 and the second part 12 to form part 1 of the construction set, which has a cubic shape, wherein each projection on the outer edge of each side face of the first part engages with the corresponding hole of the intermediate face of the second part, and each projection on the outer edge of each side face of the second part engages with the corresponding hole of the intermediate face of the first part.

[0226] The first and second parts are made by molding from a plastic material, that is, from an artificial or natural material that changes shape when heated and then retains it, for example, it can be plastic, polyethylene terephthalate, high-density polyethylene, low-pressure polyethylene, polyvinyl chloride, low-density polyethylene, high-pressure polyethylene, polypropylene, polystyrene, polycarbonate, polyamide and other types of plastics.

[0227] The above mentioned design detail and the method of its production ensured:

[0228] • high precision and reliability of the connection of parts with low weight of the part and low material consumption,

[0229] • long service life of the part,

[0230] • reduction of the complexity and labor intensity of production of the part,

[0231] • increasing the functionality and versatility of the part.

Claims

Invention formula 1. A construction kit component comprising a first part and a second part which are capable of being joined together to form a construction kit component which has a cubic shape, wherein the first part comprises two side faces and an intermediate face which is connected to each of the side faces, and the second part comprises two side faces and an intermediate face which is connected to each of the side faces, wherein each intermediate face has at least two openings, and each side face has at least one projection on the outer edge, wherein the projections on the side faces of the first part are capable of engaging with openings of the intermediate face of the second part, and the projections on the side faces of the second part are capable of engaging with openings of the intermediate face of the first part.

2. The part according to item 1, characterized in that the projections of the side face have a height Hp, a width Wp, a length Lp, the holes of the intermediate face have a depth Ho, a width Wo, a length Lo, wherein Hp is equal to 0.8-1.2 Ho, preferably Hp is equal to 0.9-1.1 Ho, Wp is 0.8-1 Wo, preferably 0.9-1 Wo, Lp is 0.8-1 Lo, preferably 0.9-1 Lo.

3. The part according to claim 1, characterized in that the ratio Lp / Ll is 0.01-0.8, preferably 0.05-0.5, more preferably 0.07-0.3, where Lp is the length of the protrusion of the side face, L1 is the width of the side face, and the ratio Lo / H2 is 0.01-0.8, preferably 0.05-0.5, more preferably 0.07-0.3, where Lo is the length of the opening of the intermediate face, H2 is the height of the intermediate face.

4. The part according to item 1, characterized in that the projection of the side face has a narrow part and a thickening, while the opening of the intermediate face has a projection made with the possibility of engaging with the thickening of the projection of the side face.

5. The part according to claim 2, characterized in that the narrow part of the projection of the side face has a height Hpi equal to 0.1-0.8 Hp, preferably 0.1-0.7 Hp, and a width Wpi equal to 0.1-0.8 Wp, preferably 0.1-0.7 Wp.

6. The part according to item 1, characterized in that the opening of the intermediate face is located at a distance of 0.1-5 mm, preferably 0.3-3 mm from the closest free edge of the intermediate face.

7. The part according to claim 1, characterized in that each side face has a width L1, and on each side face there are two projections at a distance Sp from each other, and L1 / Sp is equal to 1-4.5, preferably 1.5-3.5, more preferably 1.6-3.1, and each intermediate face has a height H2, and on each intermediate face there are two openings at a distance So from each other, and H2 / So is equal to 1-4.5, preferably 1.5-3.5, more preferably 1.6-3.

1.

8. The part according to item 1, characterized in that each side face has a height H1, a width L1, a thickness W1, and each intermediate face has a height H2, a width L2, a thickness W2, wherein H2 is equal to 0.9-1.1 of the sum of H1 and W2, preferably H2 is equal to the sum H1 and W2, L1 is 0.9-1.1 L2, preferably L1 is L2, W1 is equal to 0.9-1.1 W2, preferably W1 is equal to W2.

9. The part according to claim 1, characterized in that each side face has a thickness W1 equal to 1-10 mm, preferably 1.5-3 mm, more preferably 1.8-2.5 mm, and each intermediate face has a thickness W2 equal to 1-10 mm, preferably 1.5-3 mm, more preferably 1.8-2.5 mm.

10. The part according to claim 8, characterized in that each side face has a height H1 equal to 3-98 mm, preferably 8-48 mm, more preferably 12-25 mm, and a width L1 equal to 5-100 mm, preferably 10-50 mm, more preferably 14-26 mm, and each intermediate face has a height H2 equal to 5-100 mm, preferably 10-50 mm, more preferably 14-26 mm, and a width L2 equal to 5-100 mm, preferably 10-50 mm, more preferably 14-26 mm.

11. The part according to claim 1, characterized in that the two side faces of the first part are connected to each other along one of the side edges of each face, and the two side faces of the second part are connected to each other along one of the side edges of each face.

12. The part according to claim 1, characterized in that the two side faces of the first part are located at an angle of 0-5° with respect to each other, preferably they are substantially parallel to each other, and the two side faces of the second part are located at an angle of 0-5° with respect to each other, preferably they are substantially parallel to each other.

13. The part according to item 1, characterized in that each side face of the first part is located at an angle of 80-100° to the intermediate face of the first part, and each side face of the second part is located at an angle of 80-100° to the intermediate face of the second part.

14. The part according to claim 1, characterized in that the side face of the first part has two side edges, wherein at least one side edge has a chamfer located at an angle of 42-45°, preferably 43.0-44.9°, more preferably 43.5-44.5° to the outer surface of the side face, the side face of the second part has two side edges, wherein at least one side edge has a chamfer located at an angle of 42-45°, preferably 43.0-44.9°, more preferably 43.5-44.5° to the outer surface of the side face.

15. The part according to claim 1, characterized in that the side face of the first part has two side edges, wherein each side edge has a chamfer located at an angle of 42-45°, preferably 43.0-44.9°, more preferably 43.5-44.5° to the outer surface of the side face, the side face of the second part has two side edges, wherein each side edge has a chamfer located at an angle of 42-45°, preferably 43.0-44.9°, more preferably 43.5-44.5° to the outer surface of the side face.

16. The part according to item 1, characterized in that on each side face and the intermediate face of the first part and the second part there is a recess containing a through hole, slopes, as well as arcuate elements with teeth located on opposite sides of the recess and made with the possibility of toothed engagement with a connecting element containing at least one tooth.

17. The part according to item 16, characterized in that on each face there are at least two teeth, preferably four teeth, more preferably eight teeth, located on opposite sides of the recess.

18. The part according to claim 1, characterized in that the intermediate face of the first part contains a groove having an inlet opening on the side of one of the free edges of the intermediate face of the first part, each of the side faces has a groove having an inlet opening on the side of the intermediate face of the first part, the intermediate face of the second part contains a projection, each of the side faces has a groove having an inlet opening on the side of the intermediate face of the second part.

19. The part according to item 18, characterized in that the projection is made in such a way that when two similar parts of the construction set are connected by inserting the projection of one part of the construction set into the groove of the other part of the construction set, said projection counteracts the movement of the parts of the construction set in opposite directions while maintaining the possibility of rotational movement of the parts of the construction set relative to each other.

20. The part according to paragraph 18, characterized in that each groove has a stop, which is designed with the possibility of limiting the translational movement of the projection of another similar part of the constructor while maintaining the possibility of its rotational movement.

21. The part according to item 20, characterized in that the stop is made in such a way that when connecting two similar parts of the construction set, the central axis of one part of the construction set is located at an angle of no more than 5°, preferably no more than 3°, more preferably no more than 2°, to the central axis of the other part of the construction set.

22. The part according to claim 18, characterized in that the central axis of the groove is located at a distance of no more than 10 mm, preferably no more than 3 mm, more preferably no more than 2 mm, more preferably no more than 1 mm, from the central axis of the side face or intermediate face on which it is located.

23. The part according to claim 18, characterized in that the central axis of the groove is located at an angle of no more than 5°, preferably no more than 3°, more preferably no more than 2° to the central axis of the side face or intermediate face on which it is located, more preferably the central axis of the groove is located essentially parallel to the central axis of the side face or intermediate face on which it is located.

24. The part according to claim 18, characterized in that the central axis of the protrusion is located at a distance of no more than 10 mm, preferably no more than 3 mm, more preferably no more than 2 mm, more preferably no more than 1 mm, from the central axis of the intermediate face on which it is located.

25. The part according to claim 18, characterized in that the ratio of the length L6 of the groove to the width L2 of the intermediate face is 0.1-0.8, preferably 0.2-0.7, and the ratio of the depth H6 of the groove to the height H2 of the intermediate face is 0.05-0.5, preferably 0.05-0.

2.

26. The part according to claim 18, characterized in that the projection has a narrow part and a wide part, wherein the ratio of the height of the narrow part h to the height of the projection H5 is 0.3-0.8, preferably 0.4-0.7, more preferably 0.45-0.55, wherein the ratio of the width W5 of the wide part of the projection to the width W6 of the groove is 0.6-1, preferably 0.7-1, more preferably 0.8-1.

27. The part according to item 26, characterized in that the wide part of the projection has flat surfaces designed to interact with the groove of a similar part of the construction set in such a way that when the projection is inserted into the said groove and when rotated by a given degree, the projection is held in this position.

28. The part according to item 26, characterized in that the narrow part of the projection has flat surfaces designed to interact with the groove of a similar part of the construction set in such a way that when the projection is inserted into the said groove and when rotated by a given degree, the projection is held in this position.

29. The part according to claim 1, characterized in that the part is made of a plastic material, preferably selected from the following: plastic, polyethylene terephthalate, high-density polyethylene, low-pressure polyethylene, polyvinyl chloride, low-density polyethylene, high-density polyethylene pressure, polypropylene, polystyrene, polycarbonate, polyamide and other types of plastics.

30. A part according to item 1, characterized in that the part is made of a transparent or translucent material.

31. A construction set containing at least two parts according to any of items 1-30.

32. A method for producing a construction part according to any of claims 1-30, comprising joining a first part and a second part to form a construction part that has a cubic shape, characterized in that each projection on the outer edge of each side face of the first part engages with a corresponding opening in the intermediate face of the second part, and each projection on the outer edge of each side face of the second part engages with a corresponding opening in the intermediate face of the first part.

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