CN110072601A - Building blocks and building blocks combination - Google Patents

Abstract

The invention discloses a kind of building blocks combinations being detachably connected, including the first building blocks (300'), the second building blocks (300 ") and third building blocks (100c).First building blocks (300') include a main body and the coupling part that is formed in main body, and each coupling part has the first central axis, this first central axis defines the first coupling axis.Second building blocks (300 ") include second main body and the coupling part with the second central axis formed in main body, this second central axis defines second coupling axis.Third building blocks (100c') are the third main bodys with longitudinal axis, the interconnection block suitable for be of coupled connections the first building blocks and the second building blocks.

Description

Building blocks and building block combinations

technical field

The disclosure of the present invention is related to building blocks and building block combinations.

Background technique

Modular, interconnectable building blocks for building toys such as toy figures, toy cars, dollhouses, toy farms, toy machines, toy models and other toy blocks, toy products and toy structures are well known for their Recognized for educational values such as promoting and encouraging creativity, patience and perseverance. Educational modular, interconnectable toy blocks, such as many different types of toy blocks, toy products, and toy structures, available in small quantities in well-designed basic configurations that can be reused to make other toy blocks , toy products and toy structures, etc. Modular interconnectable building blocks can also be used in the construction industry, such as as modular components for buildings and structures, it is known that the use of modular interconnectable building blocks enables flexible, fast and standardized construction, reducing the need for manual work and increase productivity. In addition to applications in the toy and construction industries, modular interconnectable toy blocks can be used for the modular construction of tools, equipment, appliances and many other types of products.

SUMMARY OF THE INVENTION

The reveal includes modular, interconnectable blocks and block combinations.

A building block according to the disclosure includes a plurality of connection parts, each connection part has a central axis defining a coupling axis and a coupling direction, the connection parts are connected in series and distributed along the distribution axis, by coupling the central axes or coupling axes of the plurality of connection parts in series This distribution axis is formed, thereby defining the distribution direction. Each connecting portion includes a mating portion that includes a mechanical snap-fit engagement feature that defines an engagement surface in the form of a snap-fit surface whereby engagement with the mating joint of the corresponding building block along the coupling direction occurs Snap-fit. A fit is defined between a first plane and a second plane, the first plane extending transversely perpendicular to the central axis, and the second plane parallel to the first plane and axially displaced in the coupling direction.

In some embodiments, adjacent connecting portions abut each other, and the snap-fit surfaces of adjacent engaging portions abut each other to form a corrugated portion, the corrugated portion extending around the coupling axis in a peripheral direction, the peripheral direction being perpendicular to the coupling direction , thereby forming peripherally extending notches or protrusions, the extending direction of which is perpendicular to the coupling direction. The peripheral notch is concave and has a corrugated or wavy profile and/or a tapered profile in the connection direction, and its profile gradually tapers and narrows as it approaches the coupling axis.

In some embodiments, the first engaging portion of the first connecting portion and the second engaging portion of the second connecting portion can be mated with each other to define a recess or protrusion extending along the periphery, the first The one connecting portion and the second connecting portion form a pair of connecting portions adjacent to each other.

In some embodiments, the corrugated portion or a portion thereof includes a concave curvature along a concave or convex curvature.

In some embodiments, the mating portions of the plurality of connectors together define a corrugated surface, and the corrugated surface includes a plurality of tearing portions, each tearing portion having a conical concave shape with a corrugated or wavy profile, the profile in the connection direction and /or the tapered profile gradually tapers towards the coupling axis, each corrugated portion extending in a plane perpendicular to the coupling direction, thereby forming a peripherally extending notch.

In some embodiments, the snap-fit surfaces surround the periphery of the building block along the coupling direction between the first and second planes, thereby defining an engagement plane perpendicular to the coupling direction. The snap-fit features of the plurality of connecting portions are connected in series, thereby forming a series of corrugated portions, including a plurality of corrugations or series of corrugated portions.

In some embodiments, adjacent corrugated portions form corrugated serial portions and/or identical corrugated portions that are joined or adjoined to each other.

In some embodiments, the central axes of the immediately adjacent connecting portions of the plurality of connecting portions are aligned along a common central axis or intersect each other within the building block.

In some embodiments, the building block includes a body or main housing and an inner bore within which the body or main housing forms a surface-definable bore. The plurality of connecting parts includes a plurality of internal connecting parts formed in the main body or the main casing, and the mating parts of the plurality of internal connecting parts are located in the main body or the main casing in series with each other, thereby defining the inner hole or a part thereof. The inner hole has a hole axis, and the hole axis is arranged coaxially with the distribution axis of the plurality of inner connecting parts.

In some embodiments, the inner bores are mutually opposing penetrating bores extending through the main housing.

In some embodiments, the plurality of connecting portions further includes a plurality of external connecting portions surrounding the inner bore.

In some embodiments, the hole axis and the distribution axis of the plurality of external connection portions are arranged coaxially with each other.

In some embodiments, the distribution axis is perpendicular to the coupling axis.

In some embodiments, the building block comprises an elongated member having a longitudinal axis along which the connecting portions are distributed, the coupling axis and the longitudinal axis being perpendicular to each other or defining an acute angle.

In some embodiments, the thickness and/or width of the elongated member is comparable to or slightly greater than the thickness of the connecting portion, the thickness being measured in the connecting direction and the width being measured perpendicular to the coupling direction and distribution axis.

The building blocks disclosed herein include a plurality of snap-engaged building blocks, the plurality of building blocks including a first building block and a second building block, the first building block and the second building block being snap-engaged thereby forming a snap-fit joint, This snap joint is the pivot joint that defines the pivot axis. The first building block includes a single first connecting part or a plurality of first connecting parts (convex) distributed along the first distribution axis, and the second building block A single second connecting portion or multiple second connecting portions (female) are included. The first connection portion has a first engagement portion, the first engagement portion has a first connection axis, the second connection portion has a second engagement portion, and the second engagement portion has a second connection axis. The first fitting and the second fitting are a pair of fittings that can be snap-engaged, and the first and second blocks can be pivotally connected such that the first and second blocks surround a first and second block that is coaxial with each other. One and the second coupling shaft are rotated. According to what is disclosed in the present invention, the first and second building blocks are so-called building blocks.

In some embodiments, the first building block includes a body.

In some embodiments, the building block assembly is a linked building block assembly or a rotor blade assembly, including rotor blades mounted on a rotor shaft.

In some embodiments, the first and second mating portions are mating-compatible connectors with each other, having matable dimensions and opposing or complementary mating profile features.

In some embodiments, the mating portion is shaped, contoured and dimensioned to define a snap-fit plane that is perpendicular to the coupling axis or defines an angular range between 75 and 105 degrees from the central axis.

In some embodiments, the plurality of connecting portions includes a plurality of outer connecting portions, each connecting portion including a projection extending radially away from the body and extending around the central axis, thereby surrounding the body. As the protruding portion extends towards the first and/or second plane, the radial extent becomes progressively smaller, allowing a pair of immediately adjacent connecting portions to form a recess with each other.

The building blocks herein include one or more joints that allow for detachable or releasable mechanical joints between adjacent modular building blocks, typically using snap or snap joints. The building block includes one or more joints on at least one connecting surface, the building block stacks the connecting surfaces adjacent to each other, and the joints on the connecting surfaces are mechanically joined in a detachable manner.

The building blocks in this article can be toy building blocks, which are usually made of thermoplastics, such as ABS (acrylonitrile butadiene styrene), PC (polycarbonate) or other plastic materials, with high strength and rigidity and slight Elastic, its deformable nature facilitates the engagement of a snap or snap.

The building blocks herein can be made of clay, ceramic, porcelain, concrete, or other moldable materials that have high stiffness and very low or virtually no elasticity.

The building blocks herein can also be made of wood, metal such as steel, aluminum, aluminum alloys, or other materials that can be formed.

When the building block is made of a material with high stiffness but very low or no elasticity, the building block can be joined with a building block with sufficient elasticity to facilitate mechanical joining by elastic deformation of its joints.

Generally speaking, the building blocks can be rigid materials with slight elasticity or inelasticity, and appropriate rigidity and elasticity can be selected by selecting appropriate materials or mixing materials appropriately.

The building blocks herein may be ceramic building blocks or porcelain building blocks, which may be ceramic bricks or tiles, ceramic tiles or tiles, ceramic plates or tiles, or other forms of ceramic parts without losing their generality. Ceramic or ceramic building blocks may be interconnected using adhesives such as glue, cement or mortar to form modules, assembly blocks or sub-blocks or with articles made of rigid and slightly elastic materials.

The building blocks herein generally include a body, a first surface on a first side of the body, a second surface on a second side of the body, a peripheral portion extending between the first surface and the second surface, and formed on the body of multiple connectors. The main body is usually made of rigid or semi-rigid material, and the joint has a peripheral wall. The peripheral wall is rigid or semi-rigid and has a little elasticity, which is convenient for snap-fitting with the corresponding joint through the elastic deformation of the joint. Usually, the joint is formed on the panel part of the main body. . In some embodiments, a male connector is defined in one panel section and a female connector is defined in the other panel section, the two panel sections being separated from each other. In some embodiments, the male and female connectors are formed in a common panel portion.

Unless the context requires otherwise, a joint in this text is a building-block joint that includes a connecting portion having a coupling axis that defines the direction of coupling. The connecting portion includes a mating portion for tight engagement of the mating contacts, thereby defining a pair of contacts that engage each other.

The mating portion includes a mechanical mating functional feature for tightly engaging the corresponding mating portion of the connector, thereby defining a pair of mating portions that engage with each other, and the mating portion may be a male mating portion or a concave mating portion.

Couplings can usually be classified as male or female, but in addition to the inherent male fitting, the male fitting also contains a female fitting; in addition to the inherent female fitting, the female fitting also contains a male fitting .

The male mating portion includes a male mating functional feature, and the male mating portion typically includes a protrusion that is shaped and sized to closely mate with the corresponding female mating portion. A protrusion adapted to closely fit a female engaging portion is a male engaging portion corresponding to the female engaging portion. Unless the context requires otherwise, the protrusions are also referred to herein as "protruding portions", "protruding members" , "protrusion", "protrusion" and "protrusion" are used interchangeably herein.

The female mating portion includes a female mating functional feature, and the female mating portion typically includes a coupling sleeve that is shaped and dimensioned to closely mate with the corresponding male mating portion. The coupling sleeve for tightly fitting the corresponding convex fitting part is the male fitting part fitting the corresponding concave fitting part. Unless the context requires otherwise, a socket in this context means a coupling socket of a female building block joint, which is also referred to as a male fitting socket or male joint socket.

When the separate blocks are detachable to define a releasable mechanical joint, a pair of joints can be used to mate the corresponding joints. When the pair of connectors have mating snap-fit portions, the connectors are ready for snap-fit, thereby defining a snap-fit mating connector.

When the male mating portion and the corresponding female mating portion have mating-compatible mating functional features, the mating can be achieved when the respective connecting shafts are aligned with each other and approached or moved toward each other, and the engagement or tight engagement herein may be Engaged by means of insertion or snap engagement, when a pair of mating joints in this paper approaches or moves toward each other, their respective coupling axes can be snapped together after being aligned, and the mating joints are engaged into Closely mated state.

The joint has the characteristics of radial profile, the radial profile of the joint has the characteristics of the radial extent of the fitting part or the fitting part between the joint and its shaft end, and the snap joint has the characteristics of uneven radial extent in the axial direction, especially Features an outwardly protruding radial profile.

The male connection portion includes a protrusion portion which enters into the sleeve of the corresponding female connection portion, thereby defining a releasable mechanical engagement, the protrusion portion may be a raised object, a protrusion, a protrusion member or protruding member.

The protruding portion of the male connecting portion protrudes from the base surface, extends along the axial direction and away from the base surface, the axial direction is the opposite direction of the coupling shaft of the protruding portion, and the male connecting portion includes a joint that defines its axial end. The protruding portion The axial extent of is measured along the coupling axis of the base surface where it begins to protrude and its male connection between its axial ends, thereby defining the height of the projection. The protrusion has an outer peripheral wall, and the outer peripheral wall defines the mating functional features of the protrusion portion, including shape, configuration, radial profile and size.

The protruding part of the male snap joint has a radial profile defined by the outer peripheral wall, and the radial profile of the snap joint has the characteristics of a non-uniform radial extent in the axial direction. The male snap joint usually includes a A convex portion of the radial profile and a concave portion with a concave radial profile.

The protrusion part herein is an annular protrusion, comprising a first protrusion part and a second protrusion part, the first protrusion part and the second protrusion part being in series with each other and aligned with each other on the coupling axis, the One projection portion abuts the base surface, the second projection portion includes a shaft end, which is usually the free-moving shaft end, and the first projection portion, in the axial position, is located on the second projection range between the object portion and the base surface.

The first projection part, called the neck, is supported by the base surface, and the second projection part is called the head supported by the neck.

Compared to the radial profile of the neck, the head has a larger radial profile, also called an enlarged portion, when the profile exhibits a radial enlargement, this head is also called a widened portion.

Generally speaking, the head is an enlarged portion having a radial profile of the head, which is a convex radial profile or a protruding profile.

The head has an outer periphery, in addition the periphery is usually a peripherally extending rib design, the peripherally extending rib here being an annular rib having a radial profile of the head extending in the peripheral direction, the peripheral wall of the projection portion of this annular rib That is to define the annular rib, which can be a continuous or discontinuous annular design, the peripheral direction is perpendicular to the coupling axis and is tangent to the circle defining the annular rib, the annular rib surrounds the core of the head, and the core of this head can be Available in solid or hollow designs. When the core is a hollow design, the head is in the shape of a hollow shell with internal compartments. The radial profile of the head and the annular rib have the radial profile of the radial projections and thereby define the engagement portion, more specifically the male snap fit portion defining the male connection portion. For ease of reference, the fitting part of the head of the male connecting part is referred to as the protruding part or the first fitting part or the first snap fitting part of the male connecting part. The terms "rib" and "spine" have the same meaning and are used interchangeably herein.

The protruding head has a maximum radial extent, this maximum radial extent defines the maximum radial plane in the axial horizontal plane relative to the base surface, the maximum radial plane is the maximum transverse plane, the axial horizontal plane of the maximum radial plane That is, the horizontal plane with the largest radial extent.

The protruding portion has a lower surface extending between the maximum radial plane and the base surface, the lower surface being a tapered surface aligned opposite the base surface, as the axial level approaches the base level of the base surface, thereby defining the lower surface. In the case of a tapered surface, the axial extent of the lower surface of the protruding head in the axial horizontal plane is reduced. Conversely, as the axial extent of the lower surface moves away from the base surface, the radial extent of the lower surface of the axially horizontal outwardly protruding head increases. The radial extent of the lower surface of the outrigger head reaches a local minimum in the axial horizontal plane when the outrigger head is engaged with its neck.

The head gradually tapers and narrows as it extends axially from the plane of greatest radial extent toward the base surface. Conversely, the head expands and widens as it extends axially from the base surface towards the plane of greatest radial extent.

The axial free end of the head may be flat or round, in which case the axial free end is flat, the pin has a flat head shape. When the shaft end is round, the male connector is in the shape of a round head. The dome can be dome-shaped, dome-shaped or circular bosses or other suitable shaped designs.

The head radial profile extends in a peripheral direction thereby defining an annular outer periphery of the head, and the neck radial profile extends in a peripheral direction thereby defining an annular outer periphery of the neck.

Compared to the radial profile of the head, the neck has a smaller radial profile also referred to as a concave portion. When the profile is radially concave, the neck is also referred to as a narrowing.

In general, the neck is a concave enlarged portion with a radial profile of the neck, which radial profile is a tapered radial profile or simply a tapered profile.

The neck has an outer periphery, furthermore the periphery takes the form of an extension of a peripheral channel, which is an annular channel with a radial profile in the peripheral direction of the extent of the radial profile of the neck. The annular channel is defined by the peripheral wall of the projection portion, which may be continuous or discontinuous. The peripheral direction is orthogonal to the coupling axis and its direction is tangent to the circle defining the annular channel. An annular channel is a peripherally extending channel that surrounds the core portion of the neck, which may be solid or hollow. When the core portion is hollow, the neck has the form of a hollow shell with internal compartments. The neck radial profile and the annular channel are radial profiles with radial notches, thereby defining a fit, more specifically a female snap fit of a male connection. For ease of reference, the neck engaging portion of the male connecting portion is referred to as the protruding portion or the second engaging portion or the second snap portion of the male connecting portion. This second mating part is the retaining part, which accepts the neck sleeve for retaining the female connector. So-called "channels" and "grooves" are the same terms and are used interchangeably herein.

The neck has a local maximum radial extent at the axial level where it connects or abuts the head. The local maximum radial extent defines the local maximum radial plane, which is also the local maximum transverse plane.

The neck has a peripheral surface extending between the local maximum radial plane and the base surface, the peripheral surface being a tapered surface and the base surface aligned opposite each other. As the axial level approaches the base level of the base surface, thereby defining the outer tapered peripheral surface, the radial extent of the outer peripheral surface of the axially extended neck decreases. Conversely, the radial extent of the outer peripheral surface of the narrowed neck on the axial level increases as the outer peripheral surface moves further from its axial level from the base surface. The neck engages the head when the radial extent of its outer peripheral surface reaches a local minimum in the axial horizontal plane. The outer peripheral surface may take the form of a continuous smooth continuation of the lower surface of the head, and the radial profile of the outer peripheral surface may also move along the curvilinear continuation of the tapered curvilinear profile as the lower head surface tapers along the curvilinear profile . In some embodiments, the curvilinear profile moves along a radius of curvature that is half its maximum radial extent.

Thus, the neck gradually narrows as it extends axially from the plane of the local maximum radial extent towards the base surface. Conversely, the neck expands as it extends axially from the base surface towards the plane of the local maximum radial extent.

When the peripheral channel is primarily defined by the neck and its outer peripheral surface jointly with the base surface, the entire channel can be viewed as being jointly defined by the lower axial end of the enlarged portion, the narrowed neck, and the base surface.

The channel may have a constant radial extent in the axial direction, or may have a tapered radial profile, allowing the radial extent of the neck to taper along the horizontal plane of the axial direction as the extent of the base surface decreases.

Tapering can be done along curvilinear profiles, such as convex curves, straight slopes, or other desired profile shapes without loss of generality.

In general, the axial extent of the projections of the connecting portion is a part of the maximum radial extent of the projections, which can be selected as a value between 20% and 80%, for example, can be expressed as the following percentage values, namely 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80% or any single or multiple ranges limited by any combination of the foregoing values and/or ranges. Typically, the axial range, i.e. the higher value between the 50% and 80% range, the protrusions have a rounded end or a partially spherical end shape, and at the lower values in the 15% and 60% range, the protrusions have a flattened head or shaft end. For annular projections, the maximum radial extent E has a circular diameter D, which circle defines the plane of the maximum radial extent, the aforementioned portion also being the diameter-dependent portion.

The axial extent between the horizontal plane of the maximum radial extent and the axial free end of the projection part is the part of the maximum radial extent of the projection, and this part can optionally be a value between 5% and 50% of the maximum radial extent, for example , can be expressed as a percentage value of 5, 10, 15, 20, 25, 30, 35, 40, 45, 50%, or a range formed by a combination of any of the foregoing or the limits of its range. The axial extent of the upper part of the projection is the lower value between 5% and 30%, the higher value between 25% and 50% is taken when the projection has a flat head or shaft end, and the projection has a flat head or shaft end. Rounded end or partially spherical end shape. When the axial extent of the upper protrusion is 50%, the upper part is hemispherical.

The axial extent between the base surface and the maximum radial extent of the projections is the part of the maximum radial extent of the projections, which can be optionally a value between 6% and 30% of the maximum radial extent, for example, can be expressed as the following The percent value of 6, 8, 10, 12, 15, 18, 20, 25, 30%, or a range formed by a combination of any of the foregoing, or a limit of its range.

The axial extent of the protruding portion is a part of the maximum radial extent of the protrusion, which can optionally be a value between 5% and 25% of the maximum radial extent E, for example, can be expressed as the following percentage value, namely 10 , 15, 20, 25%, or a range formed by a combination of any of the foregoing, or a limit of its range.

The axial extent of the neck is a part of the maximum radial extent of the protrusion, which can optionally be a value between 5% and 25% of the maximum radial extent E, for example, can be expressed as the following percentage values, namely 5, 10 , 15, 20, 25%, or a range formed by a combination of any of the foregoing, or a limit of its range.

The radial extent of the neck is a part of the maximum radial extent of the projection, and this part can optionally be a value between 90% and 99% of the maximum radial extent, for example, can be expressed as the following percentage values, namely 90, 91, 92, 93, 94, 95, 96, 97, 98, 99%, or a range formed by a combination of any of the foregoing, or a limit of its range.

The radial extent of the radial notch defining the neck passage is a fraction of the maximum radial extent of the projection, which can be optionally a value between 1% and 6%, for example, can be expressed as a percentage value of 2 , 3, 4, 5, 6% or higher, or a range formed by a combination of any of the foregoing, or a limit of its range.

The protrusion part or a part of this part is the convex annular part, and when extending toward the base surface in the direction of the coupling axis, it moves along the convex curve. The convex annular portion may be spherical, and the radius of curvature of the spherical portion is R, where R is half of the maximum radial extent, axial extent or height h of the largest radial plane. The largest radial plane usually contains the space between two smaller radial planes, allowing the radial extent of the convex curvature to increase from the first radial extent defined by the first smaller radial plane to the largest radial extent, Then as the curved portion extends in the direction of the coupling axis, reducing to a second radial extent defined by the second radial extent, the radial plane extends laterally or laterally orthogonal to the coupling axis.

The portion of the protrusion between the base surface and the largest radial plane may be spherical or frustoconical in shape, such as frustoconical. The axial horizontal plane between the base plane and the maximum radial plane can optionally be a value between 20% and 85% of the R value, where R is the radius of the sphere that defines the sphere portion, for example, it can be expressed as a percentage value of 20, 25 , 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85%, or a range formed by a combination of any of the foregoing, or a limit of its range.

When the neck portion of the projection portion adjoining the base surface is spherical, the neck portion has the shape of the lower spherical portion and has a convex curved profile in the radial direction. When the neck has such a shape, the neck has a smaller radial extent at the base surface and a local maximum radial extent at an axial separation of the base surface.

The radial extent of the neck at the base surface is a portion of the maximum radial extent, which may optionally be a value between 90% and 98.8%, for example, may be expressed as the following percentage values, namely 90, 92, 94, 96 , 98, 98.8%, or a range formed by a combination of any of the foregoing, or a limit of its range.

The local maximum radial plane is elevated at the base surface and has a smaller radial extent, adjoining the radial plane and the base surface.

The neck may taper to join the base surface at a certain engagement angle, the taper may follow a convex curvilinear profile, may have a constant slope or other desired taper. This engagement angle is an acute angle and can be any value between 50 degrees and 88 degrees, for example, 50, 55, 60, 65, 70, 75, 70, 80, 85, 88 degrees or by any of the foregoing. and/or any single or multiple ranges limited by a combination of ranges.

The protruding portion, eg, the protruding portion or the concave portion, may comprise a cylindrical or prismatic body that protrudes away from the base surface, defining a tapered portion at the periphery abutting or proximate the base surface.

The snap joint or the mating portion of the snap joint herein is axially symmetric, and the axially symmetric mating portion has the profile of an axially symmetric mating function. Axisymmetric mating parts or joints generally have a circular cross-section in the axial direction defined by the coupling axis or joint of the mating part. In some embodiments, the mating parts are not necessarily axially symmetrical Regular polygonal cross-sectional shapes with sides, 7 sides, 8 sides, 9 sides, 10 sides, or more. Unless otherwise required herein, snap joints herein include both axially symmetric and non-axially symmetric types.

On the other hand, the radial extent of the snap projection portion or no snap function is designed to be practically uniform in the axial direction.

The female connection portion includes a coupling sleeve for engaging its corresponding male joint projection portion, and more specifically, the female connection portion includes a coupling sleeve, or sleeve for short, for tightly mating its corresponding male connection Part of the protrusion part for easy snap-fit engagement. When the male engaging portion is closely mated with the female engaging portion, the male engaging portion is engaged by the sleeve, and at least a portion of the male engaging portion extends into and connects to the sleeve compartment.

The female connector sleeve includes a sleeve compartment and a sleeve inlet whereby the axial end of the projection of the corresponding male connection portion can be inserted into the sleeve compartment. The sleeve contains an inner peripheral wall that defines the sleeve compartment, the sleeve inlet and the sleeve inlet plane and the inlet hole at the sleeve inlet. The inlet hole is usually located on the end of the sleeve shaft, also called the inlet hole. The inlet plane of the sleeve is perpendicular to the coupling axis. The inlet hole defines the minimum radial clearance of the sleeve, which in turn defines the maximum radial extent of the protrusion. or overhanging portion, which can be inserted into the sleeve without radial deformation of the sleeve inlet or male joint protrusions. The coupling sleeve extends axially away from the sleeve inlet, thereby defining the axial extent of the sleeve compartment. Along the sleeve coupling axis between the axial ends of the inner peripheral wall defining the sleeve compartment, the axial extent of the sleeve defines the sleeve height, and the inner peripheral wall of the sleeve defines the shape, configuration and size of the sleeve compartment. The sleeve may be in the form of a sleeve portion, a sleeve body or a sleeve piece. In some embodiments, the female connector includes a peripheral wall that defines the sleeve. The perimeter wall may include an inner perimeter wall defining the radial profile of the sleeve and the sleeve compartment, the outer perimeter wall surrounding the inner perimeter wall and defining the outer periphery of the sleeve, and the perimeter wall may be a continuous or discontinuous wall. In some embodiments, the peripheral wall of the sleeve abuts the panel portion and has a portion of axial extent that is spaced from or separate from the panel. For example, the peripheral wall may take the following percentage values over the axial extent or the maximum radial extent of the sleeve compartment, namely 55, 60, 65, 70, 75, 80, 90, 95, 100% or by any of the foregoing Any single or multiple ranges bounded by a combination of values and/or ranges, the radially spaced space between the peripheral wall and the panel portion is what the sleeve occupies. In some embodiments, the smaller portion of the axial extent of the sleeve is separate or independent from the panel portion, and the percentage value of this smaller portion (the axial extent or the maximum radial extent percentage of the sleeve compartment) may be 5, 6, 7, 8, 9, 10%, or any single or multiple ranges limited by any combination of the foregoing values and/or ranges.

The female snap fitting includes a snap engagement sleeve shaped and dimensioned to fit snugly against the male snap fit portion. When the female snap joint and the male snap joint are closely mated, the male fitting part is subjected to a small radial compression force inward by the sleeve of the female fitting part, and the sleeve is subjected to the male fitting part exerted outwardly Small radial expansion force.

The sleeve compartment of the female joint has a radial profile defined by the inner peripheral wall of the sleeve, and the radial profile of the sleeve compartment of the female snap joint has a non-uniform radial extent in the axial direction, usually including an axial outward protrusion The concave radial profile of the sleeve portion and the concave sleeve portion. Unless the context otherwise requires, the terms so-called sleeve, coupling sleeve, snap-engaging sleeve, sleeve portion, sleeve body and sleeve member are used interchangeably herein.

The inlet hole is located at or above the shaft end of the quill, is annular in shape, and has a male mating portion that provides a passage to allow the male mating portion to be inserted into the quill compartment, thereby inserting the shaft end and inlet hole, and then inserting Sleeve for tight engagement. The sleeve is designed with an inlet hole in each of its two shaft ends to facilitate access to either the inlet or the outlet of the male projection portion from the selected two shaft ends.

The inlet hole has or may have a radial clearance that is smaller or slightly smaller than the maximum radial extent of the male engagement portion, which is typically located at the outwardly protruding portion of the pin projection. The radial clearance at the inlet hole is less than the maximum radial extent of the overhang, which usually means radial shrinkage at the end of the quill. The protruding part of the male connection device must overcome the resistance of radial contraction to enter the sleeve compartment from outside the sleeve compartment or if it is already in the sleeve compartment, that is, stay in the sleeve compartment, at the inlet. The hole defines the minimum radial clearance range for the sleeve.

The sleeve may include a first sleeve portion having a first sleeve compartment and a second sleeve portion having a second sleeve compartment, the first sleeve portion and the second sleeve portion being in series where the coupling shafts are aligned with each other, a first sleeve portion has a shaft end including a sleeve inlet end, and a second sleeve portion extends axially away from the first sleeve portion and the sleeve inlet. During snap engagement, the first sleeve portion surrounds and snap engages the neck of the corresponding male engagement portion, this portion is called the sleeve neck, and the sleeve neck is also called the engagement neck, which contains One sleeve neck compartment. During snap engagement, the second sleeve part surrounds and snap engages the head of the corresponding male engagement part, this part is called the sleeve head, the sleeve head is also called the engagement head, and contains a sleeve Cartridge head compartment.

The two sleeve parts are the sleeve head and the sleeve neck, which can be designed separately or in one piece.

The mating portion of the sleeve portion is the annular sleeve portion defined by the inner peripheral wall defining the sleeve portion, and the mating portion may be an annular bracket portion, an annular bracket member, a collar portion or a collar member. In some embodiments, the sleeve portion has access holes at each shaft end to facilitate entry into and/or out of the mating male engagement portion at either shaft end.

In some embodiments, the sleeve may have only one sleeve portion, eg, only the sleeve head or sleeve neck.

The sleeve head includes a sleeve head compartment that can be used for snap-fit engagement of the head of a single male connector and has a radial clamping profile that can be of complementary shape design and size, Used to mate with the radial profile of the protruding part of the corresponding pin.

The sleeve head is an enlarged sleeve part, also called a widened sleeve part or simply an enlarged part. The sleeve head has a radial profile of the sleeve head which has been enlarged compared to the radial profile of the sleeve neck. The radial profile of the sleeve head extends in a peripheral direction, thereby defining an annular inner periphery of the sleeve head. The radial profile of the sleeve head and the inner periphery of the sleeve head are defined by the inner peripheral wall that defines the sleeve head. The fitting part of the sleeve head is generally in the form of a ring buckle or a ring clamp. In an embodiment, which may be an annular bracket member, collar portion or collar member, the maximum radial clearance range of the sleeve is generally defined at the head of the sleeve.

The portion of the inner peripheral wall of the sleeve, which defines the sleeve head and the sleeve head compartment, has a radial profile of a recess or recess facing the coupling shaft. This recess has a radial profile, which defines the radial profile of the head of the sleeve. This radial profile can be of angled or curved design, extending in the peripheral direction, ie an annular extension, thereby defining the sleeve Head compartment and its borders. The peripheral direction is perpendicular to the coupling axis, and its direction is tangent to the circle defining the ring clasp or ring clamp, which takes the form of an annular channel around the core of the sleeve head. The head of the socket defines the female snap fit portion of the female connecting portion, referred to as the first fit portion of the socket or the first snap fit portion for ease of reference, referred to herein as "channel" and "Grooves" are used interchangeably.

The sleeve head has a maximum radial extent defined at an axial level called the maximum radial extent level, which is also the maximum transverse plane. The radial extent of the sleeve head decreases as its axial distance from the level of maximum radial extent increases. Specifically, the radial extent of the sleeve head decreases as the sleeve head extends away from the maximum radial extent level and towards the sleeve inlet, and the radial extent of the sleeve head extends as the sleeve head extends Taper away from the maximum radial extent level and the sleeve inlet. Thus, the sleeve head tapers as it moves axially away from the plane of maximum radial extent or the level of maximum radial extent. Conversely, the head of the sleeve widens as the axial extension approaches the plane of maximum radial extent or the level of maximum radial extent.

The shaft end of the sleeve head remote from the sleeve inlet can be flat or curved, for example, a spherical cap or other desired design.

The sleeve neck includes a sleeve neck compartment for snap-fitting the neck of the corresponding male connector, and its radial clamping profile is designed with a complementary shape for mating the corresponding male The radial profile of the neck of the connector.

Compared to the radial profile of the sleeve head, the sleeve neck is a concave sleeve portion. The sleeve neck is the concave sleeve part, because this part has the radial profile of the sleeve neck, which is smaller than the radial contour of the sleeve head, the concave sleeve part is also called narrowing The sleeve part or simply the concave part. The inner peripheral wall portion of the sleeve defines the radial profile of the sleeve neck, and the inner peripheral wall portion of the sleeve defines the sleeve neck and the inner periphery of the sleeve neck. The radial contour of the sleeve neck extending in the peripheral direction defines the annular inner periphery of the sleeve neck, the inner peripheral wall of the sleeve defines the sleeve neck, and the sleeve neck compartment has a notch-like or concave-shaped radial contour, The notch or channel faces inwardly towards the coupling axis of the sleeve head and the center point of the largest radial plane. This recess has a radial profile which is or defines the radial profile of the sleeve neck. This radial profile may be of angled or curved design, extending in a peripheral direction, ie an annular extension, thereby defining the neck of the sleeve compartment and its boundaries.

The mating portion in the sleeve neck example takes the form of a ring clasp or a ring clip around the defining sleeve neck, the ring clasp or ring clamp may have a radial profile of a clamping bracket or clamping collar, in the embodiment The sleeve neck in the ring adopts the design of annular bracket part, annular bracket part, collar part or collar member. Unless the context requires otherwise, the terms "bracket" and "collar" are used interchangeably herein. A clamping bracket in this context is a tilt bracket having a concave portion or notch facing the center point of its coupling axis and the maximum radial plane of the sleeve head, the bracket extending along this peripheral direction defining the sleeve neck Compartments and their boundaries. The peripheral direction is perpendicular to the coupling axis, its direction is tangent to the circle that defines the ring buckle or the ring clamp, and the sleeve neck defines the concave snap fit part of the concave connection part, which can be called a sleeve or a sleeve, depending on the situation. The second mating portion of the female connecting portion or the second snap-on female mating portion. This so-called second engagement means is similar to the first engagement means, ie the retaining portion defining the female retaining means, usually at the sleeve neck defines the minimum radial clearance range of the sleeve.

The concave sleeve portion has a local maximum radial extent at its axial extent at a level called the local maximum radial extent plane, which is also the local maximum transverse plane. The radial extent of the sleeve neck compartment increases as the axial direction moves away from the level of the local maximum radial extent and approaches the sleeve inlet. Specifically, the radial extent of the sleeve neck compartment decreases as the sleeve neck compartment moves away from the maximum radial extent level and is inserted into the sleeve inlet. The sleeve neck compartment is a tapered sleeve neck that narrows conically as it extends axially toward the sleeve inlet. Conversely, when the sleeve neck projects axially away from the sleeve inlet, the sleeve neck compartment widens.

The tapered inlet end of the neck of the sleeve, the shape and size of which is selected according to the joint part, or more specifically, according to its convex fitting part, is used to correspond to the convex fitting part and its narrowing neck. Joining or snapping, such as wedging. Therefore, this tapered entry end can be considered the third snap fit of the sleeve.

The taper can be moved along a curve, such as a concave curve, a straight slope, or other desired contours without losing its generality.

The sleeve of the female connection part can be sleeved with the protrusion of the male connection part. When the two building blocks have a mating connection device, they can be stacked and connected. The corresponding connection device adopts a releasable connection method. The corresponding connection surfaces can be designed in abutment or even plug-in. To be able to meet the engagement requirements, the quill end or top remote from the inlet end needs to be at an axial level sufficient to engage the projection.

The inlet end of the sleeve is at the axial level of the engagement surface, and unless the tip is open to allow the insertion of the projection, in general the tip of the sleeve is at the level corresponding to the axial extent of the projection on the engagement surface. In general, the axial extent of the sleeve compartment is the maximum radial extent, projection or part of the sleeve, which can be optionally between 15% and 80%, for example, expressed as a percentage of value, i.e. 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80% or any single or multiple limited by any combination of the foregoing values and/or ranges scope. Typically, the axial range, i.e. the higher value between the 50% and 80% range, the protrusions have a rounded end or a partially spherical end shape, and at the lower values in the 15% and 60% range, the protrusions have a flattened head or shaft end.

The sleeve head snap-engaged at the overhanging portion has a radial clamping profile with a complementary profile design for mating with the overhanging radial profile of the sleeve head.

In order to be able to provide an effective snap engagement at the overhanging portion, the radial extent of the radial clamping profile of the sleeve head can be compared with the axial extent of the overhanging portion of the corresponding male engagement portion, by means of the annular bracket. to determine the radial profile. Generally speaking, the radial extent of the sleeve head is a part of the maximum radial extent of the protruding part, and this part can optionally be a value between 10% and 40%, for example, it can be expressed as the following percentage value, namely 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40%, or a range formed by a combination of any of the foregoing, or a limit of its range.

The sleeve head can be symmetrical with the radial extent, corresponding to the maximum radial extent plane of the outwardly protruding sleeve head or the outwardly protruding part of the snap engagement protrusion. The symmetry plane divides the sleeve head into the radial plane. Symmetrical halves, the sleeve head tapers as it extends axially away from the plane of maximum radial extent, the sleeve head can move along the concave tapered profile, or when extending axially tapered Defines a concave radial profile. Furthermore, this concave profile may follow or mate with the convex profile of its corresponding overhanging portion. In some embodiments, the concave profile moves along a concave curvature having a diameter equal or comparable to the maximum radial extent of the overhanging portion, this taper may follow a sloped straight line or other desired profile without loss of generality Moving, the radius of curvature of this concave curve is half the value of the maximum radial extent E.

The radial extent of the sleeve head is at the end of the symmetrical plane, and the axial extent of the sleeve head is a part of the maximum radial extent of the outwardly protruding sleeve head. For example, it may be expressed as a percentage value of 95, 96, 97, 98, 99%, or a range formed by a combination of any of the foregoing, or a limit of its range.

The axial extent of the sleeve neck provides a snap-fit clamping force on the nipple neck. The axial extent is a fraction of the maximum radial extent of the protruding portion, which can be an optional value between 2% and 10%. For example, 2, 3, 4, 5, 6, 7, 8, 9, 10%, or any single or multiple ranges limited by any combination of the foregoing values and/or ranges.

In order to provide sufficient or effective clamping force on the neck of the protrusion, the radial extent of the radial clamping contour of the neck of the sleeve, that is, the radial contour of the annular bracket, should be the same as that of the corresponding convex fitting part. The neck range is comparable. In general, the radial extent of the neck of the sleeve is the portion of the radial extent of the neck of the base surface, which may be an optional value between 10% and 35%, for example, expressed as the following percentage values, That is, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 35%, or a range formed by a combination of any of the foregoing, or a limit of its range.

The maximum radial extent of the sleeve neck can be regarded as a part of the maximum radial extent of the sleeve, and this part can optionally be a value between 1.9% and 5%. For example, it can be expressed as the following percentage values, namely 1.9, 2 , 2.0, 2.5, 3, 3.5, 4, 4.0, 4.5, 5%, or a range formed by a combination of any of the foregoing, or a limit of its range.

The sleeve neck extends axially toward the passage hole, i.e., it tapers to define a narrowed passage hole to facilitate snap-fit engagement.

As a result of the tapering, the passage hole of the tapered shaft end of the sleeve neck has a radial extent which is a part of the maximum radial extent of the clearance of the internal compartment of the sleeve, and this part can be optionally 85% and 96% Numerical values in between, for example, may be expressed as percentage values of 85, 90, 95, 96%, or a range formed by a combination of any of the foregoing, or the limits of its range.

As a result of the tapering, the inner peripheral wall of the sleeve neck is at the axial end of the passage hole of the sleeve neck and forms an inclined angle with the radial plane. The angle of inclination can be any value between 50 and 88 degrees, for example, these degrees are 50, 55, 60, 65, 70, 75, 80, 85, 88 degrees or a combination of any of the foregoing values and/or ranges any single or multiple scopes restricted. The angle of inclination preferably corresponds to the angle of engagement, facilitating tight engagement between the neck of the sleeve and the neck.

The sleeve includes a sleeve neck and a sleeve head, these two parts can be defined by the peripheral wall of the sleeve, the axial extent of the sleeve peripheral wall can optionally be an R value between 30% and 85%, for example, can be expressed as Percentage values of 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85% or any single or multiple ranges limited by any combination of the foregoing values and/or ranges .

Description of drawings

The patent disclosure is illustrated by way of example with reference to the accompanying drawings, wherein:

1A1 is a perspective view of an example of a building block 100 according to the present disclosure,

FIG. 1A2 is a plan view of the building block 100 of FIG. 1A1,

Fig. 1A3 is a longitudinal cross-sectional view of the example of the building block 100 of Fig. 1A1 along the line AA' of Fig. 1A2,

Figure 1A4 is a front view of the example of the building block 100 of Figure 1A1,

Figure 1B1 is a perspective view of an example of a building block 100B',

Figure 1B2 is a plan view of an example of building block 100B',

FIG. 1B3 is a longitudinal cross-sectional view of the example of the building block 100B along the line AB-AB' of FIG. 1B2,

Figure 1B4 is a front view of an example of building block 100B',

Figure 1C1 is a perspective view of an example of a building block 100C,

Figure 1C2 is a plan view of an example of building block 100C,

FIG. 1C3 is a longitudinal cross-sectional view of the example of the building block 100C along the line AC-AC' of FIG. 1C2,

Figure 1C4 is a front view of an example of building block 100C,

Figure 1D1 is a perspective view of an example of a building block 100D,

Figure 1D2 is a plan view of an example of building block 100D,

FIG. 1D3 is a longitudinal cross-sectional view of FIG. 1D2 with respect to the example of building block 100D along section line AD-AD',

Figure 1D4 is a front view of an example of building block 100D,

Figure 1E1 is a perspective view of an example of building block 100E,

Figure 1E2 is a plan view of an example of building block 100E,

Figure 1E3 is a longitudinal cross-sectional view of the example of the building block 100E along the line AE-AE' of Figure 1E2,

Figure 1E4 is a front view of an example of building block 100E,

2A1 is a perspective view of an example of a building block 200 in accordance with the present disclosure,

Figure 2A2 is a plan view of an example of building block 200,

FIG. 2A3 is a longitudinal cross-sectional view of an example of the building block 200 along the line B-B of FIG. 2A21 ,

Figure 2A4 is a front view of an example of building block 200,

Figure 2B1 is a perspective view of an example of building block 200B',

Figure 2B2 is a front view of an example of building block 200B

2B3 is a longitudinal cross-sectional view of the example of the building block 200B along the section line BB-BB' of FIG. 2B2,

Figure 2B4 is a front view of an example of building block 200B',

Figure 2BA1 is a perspective view of an example of building block 200BA,

Figure 2BA2 is a plan view of an example of building block 200BA,

Figure 2BA3 is a front view of the building block 200BA along the section line BBA-BBA',

Fig. 2BA4 is a transverse cross-sectional view of the example of building block 200BA along the BBA-BBA line of Fig. 2BA3,

Figure 2C1 is a perspective view of an example of a building block 200C,

Figure 2C2 is a plan view of an example of building block 200C,

2C3 is a longitudinal cross-sectional view of the building block 200C along line 2C2,

Figure 2C4 is a front view of an example of building block 200C,

3A1 is a perspective view of an example of a building block 300,

Figure 3A2 is a plan view of an example of building block 300,

FIG. 3A3 is a longitudinal cross-sectional view of the example of the building block 300 along the line C-C of FIG. 3A2,

Figure 3B1 is a perspective view of an example of building block 300B',

Figure 3B2 is a plan view of an example of building block 300B',

Figure 3B3 is a longitudinal cross-sectional view of the example of building block 300B along the CB-CB line of Figure 3B2,

Figure 3C1 is a perspective view of an example of building block 300,

Figure 3C2 is a plan view of an example of building block 300C,

Figure 3C3 is a longitudinal cross-sectional view of the example of building block 300C along the line CC-CC' of Figure 3C2,

Figure 4A1 is a perspective view of an example of a building block combination 400,

Figure 4A2 is a plan view of an example of a building block combination 400,

FIG. 4A3 is a longitudinal cross-sectional view of the building block 400 along the section line of FIG. 4A2 ,

Figure 4B1 is a perspective view of an example of a building block subassembly 400B',

Figure 4B2 is a plan view of an example of building block sub-assembly 400B',

FIG. 4B3 is a longitudinal cross-sectional view of the section line of FIG. 4B2 about the building block sub-assembly 400B,

Figure 5A1 is a perspective view of an example building block subassembly 500,

Figure 5A2 is a plan view of an example building block subassembly 500,

5A3 is a longitudinal cross-sectional view of the building block sub-assembly 500 along the section line AD-AD' of FIG. 5A2,

Figure 5B1 is a perspective view of the building block sub-assembly 500B',

Figure 5B2 is a plan view of an example of building block sub-assembly 500B',

Figure 5B3 is a longitudinal cross-sectional view of the building block sub-assembly 500B along the section line AE-AE' in Figure 5B2,

Figure 5C1 is a perspective view of an example of a building block sub-assembly 500C,

Figure 5C2 is a plan view of an example of building block sub-assembly 500C,

Figure 5D1 is a perspective view of an example building block subassembly 500D,

Figure 5D2 is a plan view of an example of building block sub-assembly 500D,

Figure 5E1 is a perspective view of an example building block subassembly 500E,

Figure 5E2 is a front view of an example of building block subassembly 500E,

Figure 5E3 is a plan view of the building block sub-assembly 500E,

Fig. 5E4 is an enlarged view of the circled portion of Fig. 5E3.

specific embodiment

An example of a building block 100 includes a plurality of examples of connecting parts, as illustrated in Figures 1A1, 1A2, 1A3A, 1A4. The instances of multiple connecting sections form a complete connecting section, including a first connecting section 142, a second connecting section 144, and a third connecting section 146 that are connected in series. In this example, the second connecting portion 144, the first connecting portion 142, and the third connecting portion 146 all abut each other.

The connecting part is bounded by a first plane and a second plane, the second plane is parallel to the first plane and has a central axis X-X', the first plane is perpendicular to the central axis and is located in each axis of the first Horizontally, the second plane is located on the second axial height, this second axial height is spaced apart from the first axial height in the axial direction, and the axial direction is in the direction of the central axis, connecting The axial thickness of the section is defined by the axial distance between the first and second planes.

The connecting portions 142, 144, 146 have characteristic central axes and include a core portion 120 and a mating portion that forms an instance of the mating portion at the outer periphery of the core portion, extending along a circular path, thereby forming the embodiment of the annular engagement device. Distributed engagement device, the distributed engagement device has distributed engagement surfaces to facilitate distributed engagement, the circular path is perpendicular to the central axis XX', and the engagement portion is perpendicular to the central axis to define engagement planes perpendicular to the central axis.

An example of a core part is a hollow design with an inner hole formed by an inner hole defining surface, this inner hole has a hole axis, the inner hole surface is a cylindrical design, the inner hole in the example is a penetration hole through the connecting part, in section 1. Extending axially between the first and second planes, the cylindrical surface of the inner bore has a cylindrical axis aligned with the central axis XX' of the connecting portion. In some embodiments, the connecting portion is not of a hollow design or has no through holes or bores at all. In some embodiments, the inner bore has a non-circular cross-section, which may be a square or regular polygonal cross-section. In some embodiments, the bore axis and the central axis of the connecting portion are not aligned with each other. For example, the hole axis and the central axis may be aligned parallel to, offset or at a specific angle to each other.

The fitting part has a central axis which is coaxial with the central axis XX' of the connecting part and defines the coupling axis and the coupling direction. The mating portion in the example includes a functional feature of a mechanical snap-fit to facilitate snap-fit engagement with the mating joint of the corresponding building block along the fit portion, the mechanical snap-fit feature defines an engagement surface in the form of a snap-fit surface, The mating portion in the example includes a peripheral protrusion extending around the outer periphery of the core portion, projecting radially away from the outer periphery of the core portion, around the central axis thereby defining a radial direction. In this example, the exposed or outwardly facing surface of the peripheral protrusion defines the snap-fit or engagement surface, and the peripheral protrusion defines the engagement plane perpendicular to the central axis.

The radial protrusion of the fit at the axial level defines the radial extent of the fit at this axial level. The radial extent also defines the lateral extent of the fit, which extends over the fit. Changes occur to facilitate snap fit.

The peripheral projections extend axially between the first and second planes and define the axial extent or thickness of the mating portion, with the axial direction meaning the direction of the central axis.

The radial extent of the mating portion varies as the mating portion extends axially from the first plane to the second plane and vice versa.

The connection portion with the peripheral protrusion is usually a male connector or a male connector, since the peripheral protrusion is usually used as a functional feature of the male mechanical mating.

Referring to Figures 1A1 and 1A4, the radial extent of the sexual engagement portions 142', 144', 146' of the connecting portions 142, 144, 146 examples progressively increases with increasing axial distance away from the first plane, and the radial extent is at The maximum is reached at the radial plane M-M', which is approximately half the distance between the first and second planes. The radial extent of the engagement portion 144' in the example of the connecting portion 144 gradually decreases as its axial distance and the plane M-M' spacing increase away from the first plane. In this example, the first plane is the plane shared by mating portions 142 ′ and 144 ′, and the second plane is the plane shared by mating portions 144 ′ and 146 . The fitting portion 144' is symmetrically arranged around the plane of the intermediate layer, namely the plane M-M', and the radial extent of the two shaft ends is the same and the smallest. Symmetrical arrangement.

The mating portion in the example is a corrugated portion with a corrugated surface in the coupling direction, the corrugated surface having a corrugated profile, as shown in Figures 1A and 1A, the corrugated surface being offset from the coupling axis and defining the snap-fit surface of the mating portion.

The corrugated surface in the example is an outward-facing surface, showing a convex curved shape, the corrugated surface defines the outer peripheral surface of the connecting portion and defines a circularly symmetrical arrangement around the central axis XX', and the outer peripheral surface is defined by a circular shape. The central axis XX' of the path is formed by a 360 degree rotation around the outer surface of the convex curve.

The integral connecting part includes a stack of three connecting parts 142, 144, 146 in the example, the central axes of which are aligned with each other, and the axial direction of this stack parallel to the central axis XX' includes a first engaging part 142', The second engagement portion 144 ′ and the third engagement portion 146 . The second fitting portion 144 is located in the middle of the first and third connecting portions, and is adjacent to the first and third connecting portions. The central axes of the connecting portions in series are connected to form a distribution axis. In this example, the distribution axis is arranged coaxially with the central axis. In some embodiments, the distribution axis may be of a curved design, with the central axes of some or all of the connecting sections in series aligned with each other along the curve.

In the building block 100 in the example, the fitting parts are connected in series, so that the first plane of the first fitting part and the first plane or the second plane of the other fitting part are adjacent to each other.

Gradually decreases with decreasing axial distance between the radial extent of the engagement portion and the axial end of the engagement portion, the engagement portion has a tapered axial end, and when two engagement portions with the same or similar tapered features abut each other, the adjacent The conical shaft ends of the mating parts mate or cross each other, thereby forming a notch with a tapered profile, the notch extending around the periphery of the building block and forming a conical concave ring, the notch gradually tapers towards the central axis or distribution axis. narrow.

The tapered shaft ends of the fitting parts adjacent to each other are combined to define a curved angle to form a tapered notch, and the combined tapered ends have a corrugated profile, forming a corrugated part or a corrugated part on the peripheral part of the building block 100, and the adjacent fitting parts are tapered The shaped shaft ends are at a specific merging angle at the merging plane, which merges or intersects with each other, the merging plane is parallel to the junction plane, and the merging angle can be an acute angle, a right angle or an obtuse angle. In some embodiments, the merge angle is between 30 and 60 degrees or between 120 and 150 degrees.

In this example, the axial end (the non-adjacent end) of the first engaging portion 142 and the lateral extent of the third engaging portion 146 not adjacent to the second engaging portion are slightly larger than the second engaging portion 142 . The lateral extent, therefore, the non-contiguous end is slightly larger than the contiguous end. In some embodiments, the non-adjacent ends are smaller than the abutting ends to facilitate easier access to and from the stacking block.

In some embodiments such as the present invention, the merging angles are the same or similar.

The tapered shaft end of the mating portion and the merging plane are inclined to each other to define a taper angle, whereby the adjacent mating portion merges with each other. In some embodiments such as the present invention, the taper angles are all substantially the same, but an asymmetric taper angle arrangement may be used if necessary or desired.

In some embodiments such as the present invention, the axial end of the mating portion moves along the convex curvature as it approaches the merging plane. In some embodiments, for example, when the engagement portion is formed in the inner bore, the axial end of the engagement portion moves along the concave curvature as it approaches the merging plane.

In some embodiments such as the present invention, the corrugated contours of adjacent mating portions intersect one another adjacently. In other embodiments, adjacent corrugation profiles may be axially or radially spaced apart and do not intersect. -

In some embodiments such as the present invention, the stacking assembly connecting portions are formed with the same potential extent, and in some embodiments, the assembly connecting portions have different lateral extents, thereby adapting to specific application conditions, when the lateral extent of the maximum lateral extent When the planes (ie, M-M') have the same lateral extent, the connecting portions have the same potential extent.

In some embodiments, the mating portion and the core portion are a one-piece design that is integrally formed.

The building block 100 in the example includes a plurality of connecting parts in the example, as shown in FIGS. 1A1 , 1A2 , 1A3A and 1A4 , the multiple connecting parts in the example form a complete connecting part, including the first connecting part 242B′, the second connecting part 242B′ The first connecting portion 244B′, the third connecting portion 246B and the fourth connecting portion 248B, in the example, groups of 4 connecting portions that are connected to each other, ie, stack blocks that form the connecting portions in series. In this example, the second connecting portion 244B and the first connecting portion 242B are adjacent to each other, the third connecting portion 246B' plus the third connecting portion 246B and the second connecting portion 244B plus the fourth connecting portion 248B are adjacent to each other.

Each connecting portion is bounded by a first plane and a second plane, the second plane and the first plane being parallel to each other and having a central axis YB-YB'. The first plane is perpendicular to the central axis and is located on each of the first axial levels, and the second plane is located on the second axial height, the second axial height is in the axial direction with the first axial height The heights are spaced from each other, the axial direction is in the direction of the central axis, and the axial thickness of the connecting portion is defined by the axial distance between the first and second planes.

The connecting portions 242B', 244B', 246B', 248B have the functional characteristics of the central axis and also include the core portion 120 and the engagement portion, which forms the engagement portion in the example inside the core portion and extends along a circular path, thereby forming An annular joint in the example, thereby forming a distributed joint. The distributed engagement device has distributed engagement surfaces to facilitate distributed engagement, the circular path is perpendicular to the central axis, the engagement portion is perpendicular to the central axis, and also defines an engagement plane perpendicular to the central axis.

The core part in the example is of hollow design and has an inner hole, which is bounded by the inner hole surface, which is the peripheral surface of the inner hole. The inner hole has a hole axis, the inner hole surface has the functional feature of mechanical snap fitting of the fitting part, and the inner hole has an exposed inner hole surface, and the functional feature of mechanical snap fitting is formed on the inner hole surface. The physical difference between the exposed inner hole surface and the inner peripheral surface of the inner hole is the mechanical snap fit with or without this functional feature. The exposed inner hole surface is usually a cylindrical surface. The inner hole in the example is a through hole through the connecting portion, extending axially between the first and second planes, the hole axis and the central axis of the connecting portion being aligned with each other. In some embodiments, the exposed bore has a non-circular cross-section, and may have a square or regular polygonal cross-section. -

The fitting part has a central axis which is coaxial with the central axis YB-YB' of the connecting part and defines the coupling axis and the coupling direction. The mating portion in the example includes a functional feature of a mechanical snap-fit to facilitate snap-fit engagement with the mating joint of the corresponding building block along the fit portion, the mechanical snap-fit feature defines an engagement surface in the form of a snap-fit surface, The mating portion in the example includes a peripheral recess extending radially projecting around the inner periphery of the core portion towards the outer periphery of the core portion, the axial direction being defined by the central axis. In this example, the exposed or inward facing surface of the peripheral recess defines the snap-fit or engagement surface, the peripheral recess defining the engagement plane perpendicular to the central axis.

The connecting part with the peripheral recess is usually a female joint or a female fastener, because the peripheral recess usually has a female mechanical mating function, such as a snap for the peripheral protrusion of the connecting part of the building block 100 engage.

The fitting portion protrudes radially at the axial level. The radial extent of the fitting portion is defined at the axial level. The radial extent also defines the lateral extent of the fitting portion. The lateral extent of the fitting portion follows the extension of the fitting portion. Rather, it facilitates snap-fit or snap-fit of the mating portion.

The peripheral notch extends axially between the first and second planes, thereby defining the axial extent or thickness of the mating portion, which is the direction of the central axis.

The radial extent of the mating portion varies as the mating portion extends in the axial direction from the first plane to the second plane and vice versa.

Referring to FIG. 2B3, the radial extent of the engagement portion in the example of connecting portions 242B', 244B', 246B', 248B gradually increases with increasing axial distance away from the first plane, and the radial extent reaches at the radial plane. Maximum value, this radial plane is about half the distance between the first and second planes, with increasing distance from the first plane and the axial distance between the radial planes, the connecting portions 242B', 244B', 246B ', 248B The radial extent of the fitting portion of the example is gradually reduced, as in the example, the first plane is the plane shared by the fitting portions 142' and 144', and the second plane is the plane shared by the fitting portions 144' and 146. . The fitting portions 244B' are symmetrically arranged around the radial plane, which is the plane of the intermediate layer, and the radial extents at the two shaft ends are the same and the smallest. In some embodiments, the fitting portions surround the largest radial plane. arranged asymmetrically.

The mating portion in the example is a corrugated portion with a corrugated surface in the coupling direction, the corrugated surface having a corrugated profile, as shown in Figure 2B3, the corrugated surface being offset from the coupling axis and defining the snap-fit surface of the mating portion.

The corrugated surface in the example is an inward-facing surface with a convex curved shape, the corrugated surface defines the inner peripheral surface of the connecting portion, and is arranged in a circular symmetry around the central axis YB-YB', and the inward-facing concave surface rotates 360 degrees around the center. The circular path of the axis YB-YB', thereby forming the inner peripheral surface.

The integral part of the connecting part includes the connecting part in the 4 examples, and the connecting part is aligned with the central axis. The axial direction of the stacking block is parallel to the central axis, and includes a first engaging portion 242B', a second engaging portion 244B', a third engaging portion 246' and a fourth engaging portion 248B, and the second engaging portion 144 is located in the first engaging portion 242B'. The first and third connecting parts are intermediate and adjacent to each other with the first and third connecting parts. The central axes of the connected parts in series are connected to form a distribution axis. In this example, the distribution axis is arranged coaxially with the central axis. In some embodiments, the distribution axis may be of a curved design, with the central axes of some or all of the connecting sections in series aligned with each other along the curve.

The mating parts of the building blocks 200B in the example are connected in series such that the first plane of one mating part is adjacent to the first plane or the second plane of the other mating part.

The mating portion has a tapered axial end as the radial extent of the mating portion decreases with decreasing axial distance from the axial end of the mating portion. When two mating portions with the same or similar tapered features abut, the tapered shaft ends of the adjoining mating portions mate or intersect to form a protrusion with a tapered profile. The protrusions extend around the inner periphery of the bore and form a ring of tapered protrusions projecting radially inwardly from the exposed bore surface, the protrusions tapering gradually towards the central or distribution axis. In this example, the conical protrusions are serration-like.

Adjoining mating portion tapered shaft ends merge at a specific merge angle to define a tapered recess, the merged tapered ends have a corrugated profile and form a corrugated or corrugated portion on the exposed bore surface. The conical shaft ends of the adjoining mating parts have a specific merging angle at the merging plane, merge or intersect with each other, the merging plane is parallel to the junction plane, and the merging angle can be an acute angle, a right angle or an obtuse angle. In some embodiments, the merge angle is between 30 and 60 degrees or between 120 and 150 degrees.

The connecting portion of the building block may include a fitting portion on the outer periphery, and the fitting portion has the same characteristics as the fitting portion of the building block 100 or 100B', and this fitting portion is called an external fitting portion to simplify the description. In this example, the outer fitting portions 242B', 244B' and the fitting portions 242B', 244B' of the building block 200B' are arranged concentrically, and the fitting portions are referred to as inner fitting portions to simplify the description. In this example, the outer mating portion and the mating portion of the building block 200B are axially aligned with each other such that the first and second planes are connected to each other. In some embodiments, the inner and outer mating portions are in a non-coaxial and/or non-axially aligned arrangement.

The building block 200BA in the example includes a plurality of connecting parts, as shown in Figures 2B1, 2B2, 2B3, 2B4.

The connecting portions in the 4 examples are connected in series with each other to form a building block 200BA with a curved elongated body, the connecting portions in the examples being aligned with each other along the curved longitudinal distribution axis BBA-BBA'. Except for the aforementioned differences, the building block 200BA is the same as the building block 200B, and the relevant descriptions of the building block 200B are incorporated into the content of this document for reference and applicable, and the suffix of the reference number is marked with A. The adjoining connecting portions of the building block 200BA are 242BA, 244BA, 246BA, 248BA, and the connecting portions interconnected with each other have a sector or arc shape, thereby defining a curved distribution axis BBA-BBA'. In some embodiments, some of the connecting portions 242BA, 244BA, 246BA, 248BA that abut each other may not abut each other. In some embodiments, adjacent connecting portions are separated from each other by an axial distance that is equal to or less than the axial extent of the connecting portions.

The building block 100B in the example of FIGS. 1B1 to 1B4 includes a main body on which four connecting parts 142B', 144B', 146B', 148B are formed, and the complete connecting part includes the four fitting parts 142B', 144B', 146B', 148B', the axial lengths of all four fitting parts are the same, and each fitting part is symmetrically arranged around its largest transverse dimension plane MB-MB. Except for the aforementioned differences, the building block 100B is the same as the building block 100, and the relevant description of the building block 100 is incorporated into the content of this document for reference and is applicable for comparison, and the suffix of the reference number is marked with B. As shown in FIGS. 1B1 and 1B3 , the four fitting parts are connected in series with each other, the adjacent fitting parts are adjacent to each other, and the convex curved parts of the curved corrugated shape intersect each other.

The building block 100C in the examples of Figures 1C1, 1C2, 1C3, and 1C4 includes a body on which the connecting parts of the examples are formed. The complete part consists of the two connecting parts 142C, 144C in the example, which adjoin each other in series, this main body is a hollow cylinder extending along the cylindrical axis XC-XC', which is also the main body The longitudinal axis and the central axis, the hollow cylinder defines the cylindrical hole, the cylindrical hole extends along the cylindrical axis XC-XC', and each of these two connecting parts has a central axis, that is, a circle around the central axis. The ring members are symmetrically arranged, and the central axes of the connecting portions 142C and 144C are axially aligned or coaxially arranged.

In this example, the first connection portion includes a first engagement portion 142C', the second connection portion includes a second engagement portion 144C', and the first engagement portion 142C' and the second engagement portion 144CJ have the same Lateral extent, each engagement portion is formed in a cylindrical body, projecting radially away from the body and the central axis XC-XC', the engagement portion in the example is a corrugated portion, having an axially extending corrugated profile, which is axially parallel and off-centre Axis XC-XC'. The corrugated parts of the fitting part or the adjoining connecting part are in a state of adjoining and crossing, the building block 100C in this example may include the first and second connecting parts, the second and third connecting parts or the first connecting part of the building block 100 The first and third connecting parts, and the relevant descriptions, especially the interaction between the corrugated part and the adjacent corrugated part, are incorporated by reference herein as appropriate.

The building block 100C in the examples of Figures 1C1, 1C2, 1C3, 1C4 includes a body, and this complete body also includes the connecting parts of the examples. This integral part comprises in the example 4 connecting parts 142D, 144D, 146D, 148D, these two connecting parts adjoining each other in series, the main body is a hollow cylinder extending along the cylindrical axis XD-XD', the cylindrical axis XD-XD ' is also the longitudinal and central axis of the body, the hollow cylindrical body defines a cylindrical hole extending along the cylindrical axis XD-XD'. Each of the two connecting portions is an annular member having a central axis and is arranged in a circular symmetry around the central axis, and the central axes of the connecting portions 142C and 144C are axially aligned or coaxially aligned with each other.

In this example, the first connection portion includes a first engagement portion 142D', the second connection portion includes a second engagement portion 144D', the third connection portion includes a third engagement portion 146D, and the fourth connection The sections include a fourth engagement section 148D, identical to each other and having the same lateral and axial extent, each of which is formed on the cylindrical body, projecting radially away from the body and the central axis XD-XD'. The mating portion in the example is a corrugated portion having an axially extending corrugated profile, which is axially parallel and offset from the central axis XC-XC'. The corrugated part of the fitting part or the adjoining connecting part is in the state of adjoining and crossing,

The building block 100D in this example may be any of the repeating connecting portions 142D, 144D, 146D, 148D, but without loss of generality, the relevant description includes the interaction of the corrugated portion and the adjacent corrugated portion, and is incorporated by reference herein as appropriate . -

The building block 100C in the example of Figures 1E1, 1E2, 1E3, 1E4 includes a body and a connecting portion on the complete body, the integral portion including the two connecting portions in the example, the two connecting portions adjoining each other in series. This body is a hollow cylinder extending along a cylindrical axis XE-XE', which is also the longitudinal and central axis of the body. The hollow cylindrical body defines the cylindrical hole, which extends along the cylindrical axis XE-XE'. Each of the two connecting parts has a central axis, that is, an annular member arranged in a circular symmetry around the central axis, and the central axes of the connecting parts 142E and 144E are axially aligned or coaxially arranged.

In this example, the first connection portion includes a first engagement portion 142E', the second connection portion includes a second engagement portion 144E', the first engagement portion 142E' has a larger lateral extent, and the second engagement portion 142E' has a larger lateral extent. The engagement portion 144E' has a smaller lateral extent.

Each engagement portion is formed on a cylindrical body, projecting radially away from the body and the central axis XE-XE', the engagement portion in the example is a corrugated portion having an axially extending corrugated profile, which is axially parallel and offset from the central axis XE -XE'. The description of the corrugated part is shown in the building block 100, and the content of the description must be incorporated into the content of this document after making necessary modifications.

In this example, the corrugated parts of the adjoining fitting parts or connecting parts do not adjoin or cross each other, and the corrugated parts are in a radially spaced state, but not spaced apart in the axial direction, and the reference axis of the radial and axial directions is Center axis XE-XE'.

The mating portions or connecting portions of the building block examples 100, 100B', 100C, 100D, 100E are male connectors, including male mating portions or male connecting portions.

When the male joint is used for the circular movement of the female joint, it is snap-fit or wedged joint with the corresponding female joint on the cylindrical body, and the connection direction is the direction of the central axis of the building block. In embodiments such as the present invention, tapered notches are formed by the intersection of adjacent mating portions and adjacent corrugated profiles with each other, thereby defining a peripheral or peripherally extending tapered groove, which interacts with a mating female joint In wedged engagement, the tapered groove gradually tapers and narrows as the groove extends radially toward the body or central axis.

The peripheral protrusions of the male joint extend in a peripheral direction around the central axis, defining joint planes perpendicular to each other in the connection direction.

In embodiments such as the present invention, the connecting portions and their coupling planes are parallel to each other. In other embodiments, the connecting portions and their coupling planes are not parallel to each other.

The building block 200 in the example includes a main body 220 and a connecting portion 240 formed on the main body, as shown in FIGS. 2A1 to 2A4 . The body 220 in the example is generally cylindrical and has a cylindrical axis YY', which is also the longitudinal and central axis of the body 220 . The body in the example is hollow and has an inner bore extending axially along the cylindrical axis YY'. The main body 220 and the inner hole are arranged coaxially and share the central axis YY', and the main body in the example is arranged in a circular symmetry around the cylindrical axis YY'. The body extends axially in the direction of the cylindrical axis YY', and the complete connecting portion 240 includes the two connecting portions 242, 244 in the example.

The two connecting portions 242, 244 are distributed along the length of the main body, adjacent connecting portions adjoin each other, each connecting portion 242, 244 is a ring, extending in a direction perpendicular to the cylinder axis YY' and defining a cylindrical shape. Joint planes where axes Y-Y' are perpendicular to each other. The two connecting portions 242, 244 have a common central axis and are therefore axially aligned or coaxially aligned.

Each connecting portion 242, 244 has an inner boundary wall defining an inner peripheral surface that surrounds the cylindrical axis YY', thereby extending as the central axis and defining the engagement portion 242', 244' of the inner bore and connecting portion . The shape of the inner boundary may define a peripheral recess that retracts radially away from the central axis YY' and into the body 220 when the inner boundary wall extends in an axial direction parallel to the central axis YY'. The inner peripheral surface faces the inner hole and the central axis Y-Y' and defines the inner boundary of the fitting portion, which is also the outer boundary of the inner hole and defines the clearance profile of the fitting portion or the clearance profile of the inner hole.

The inner peripheral surface extends around the inner periphery of the main body, thereby defining distributed engagement means, the distributed engagement means encircling the inner portion of the main body, and engageable with the mating distributed engagement means, the mating joints have mating compatible fittings. Access feature.

The inner hole has an axial profile, this axial profile defines the internal clearance profile of the building block, the inner hole has a lateral clearance profile and an axially horizontal lateral clearance dimension, and the lateral clearance profile and lateral clearance size change as the inner hole extends axially, Let the inner bore have a non-uniform lateral clearance profile in the axial direction, as shown in Figure 2A3.

In the example of FIG. 2A1, the mating portions have corrugated mating portions 242', 244' extending around the inner periphery of the body and being surrounded by the main body, the corrugated mating portions 242', 244' having inner surfaces with corrugations when extending axially Profile, this axis is parallel to the central axis YY', the corrugated profile extends in the axial direction and is offset from the central axis YY'. The inner surface with the corrugated profile extends around the body and the central axis YY', thereby defining the inner peripheral surface of the mating portion.

The inner surface of the corrugation in the example is concavely curved, and the concavely curved inner surface is concave facing inward, facing the inner hole and the central axis BB'. In the example, the inward facing surface of the fitting portion is the inner peripheral surface of the main body, which extends around the inner main body and is symmetrically arranged in a circle based on the central axis YY'. In a perspective view, the inner peripheral surface of the body may be an inwardly concavely curved surface formed by turning 360 degrees around the central axis YY' along a circular path.

Since the inner surface of the example fitting portion has a corrugated profile in the axial direction, the lateral gap size of the fitting portion varies as the fitting portion extends in the axial direction. Measured in the direction, and more specifically, the lateral gap size varies between a maximum gap size that provides the largest lateral gap and a minimum gap size that provides the smallest lateral gap.

The complete connecting portion 240 includes a first engagement portion 242' and a second engagement portion 244' that are axially adjacent.

The first engagement portion 242 ′ is located at the first axial free end of the building block 200 and extends between the first axial free end and a common boundary with the second engagement portion 244 . The first fitting portion 242' has a first lateral gap dimension, and defines a plane at the first axial free end of the first lateral gap dimension, the lateral gap dimension being the distance between the radially opposite ends of the boundary defining the inner hole. Measured dimensions, diametrically opposite ends are based on the central axis Y-Y'.

The lateral gap dimension of the first engagement portion 242' extends axially away from the axial free end until the maximum lateral gap dimension is reached at the plane of maximum lateral gap dimension, with increasing rate of change of concave curvature, in this example , the plane of the largest lateral gap dimension is located in the middle between the axial ends of the first engagement portion 242'. As the lateral gap dimension of the first engagement portion 242' extends axially along the plane of the largest lateral gap dimension and reaches a third lateral gap dimension plane with a third lateral gap dimension, the first engagement portion 242' The lateral gap dimension of , which gradually decreases with the rate of change of the concave curvature, a third lateral gap dimension plane engages and defines the common boundary of the second engagement portion 244', in this example , the first lateral gap size and the third lateral gap size are identical to each other and define the smallest lateral gap size.

The second engagement portion 244 has a first lateral gap dimension at an axial level that engages or abuts the first engagement portion 244, thereby defining a common space with the first engagement portion 242 boundary. The lateral gap dimension of the second engagement portion 244' extends axially away from the axial free end until the maximum lateral gap dimension is reached at the plane of the maximum lateral gap dimension, with an increasing rate of change of the concave curvature, in this example , the plane of the largest lateral gap dimension is located midway between the axial ends of the second engagement portion 244'. The lateral gap dimension of the second engagement portion 244' gradually decreases with the rate of change of the concave curvature, extending axially from the plane of maximum lateral gap dimension and the first axial free end to a plane having the second lateral gap dimension A third lateral gap dimension plane of , this third lateral gap dimension plane has a third lateral gap dimension at the second axially free end of the building block 200 . In this example, the first and third lateral gap sizes are the same and define the smallest lateral gap size.

In this example, the plane of the largest transverse gap size of the connecting portion is located at the axial level, which is located in the middle of the two planes of the smallest transverse gap size. The connecting portion at or near the plane of minimum lateral gap size is a peripheral protrusion extending radially inward from the body. Since the plane of minimum lateral gap size is located at the axial end of the connecting portion, each peripheral protrusion of the connecting portion defines a connecting portion. The inlet or outlet apertures of the sections, each peripheral protrusion defines an inlet or outlet fence to the connecting section. In addition, the corrugated parts of the adjacent connecting parts are crossed or matched with each other, thereby defining a toothed peripheral part protruding from the main body, as shown in FIG. The connection forms a toothed peripheral portion which is stronger than the toothed peripheral portion at the free shaft end of the connecting portion. The concavely curved inner contour of the connecting portion bore may be used to closely mate with the convexly curved outer contour of male connecting portions, such as male connecting portions 142, 142B', 144, 144B', 146, 146B in the example.

In some embodiments, the projections of the connecting portion or the main body portion between the toothed shaft ends may be of a non-curved or cylindrical design.

The building block 200C in the example of FIGS. 2C1 to 2C4 includes a main body 220C, connecting parts 242C, 244C formed by the complete main body, and the complete connecting part includes two fitting parts 242C", 244C' in the example, and the axial direction of all four fitting parts is All of the same length, each fitting is symmetrically arranged with respect to the plane NC-NC' of the largest transverse dimension. The two fittings are not contiguous and are separated by the elongated portion of the main body, and the joining planes of the two fittings are not parallel but Arrangement at a certain angle. Except for the aforementioned differences, building blocks 200BA and building blocks 200B are all the same, and the relevant instructions about building blocks 200B are incorporated into the content of this article to provide reference for reference, and the suffix of the reference number is marked with C. As shown in Figure 2C2, The two engagement portions are in series with each other on the body, with adjacent engagement portions not contiguous but spaced from the elongated portion of the body.

The example building block 300 includes a body 320 and connecting portions 342, 344 formed on the body, as shown in Figures 3A1 to 3A3. The main body is an elongated rod in the form of a rigid slightly elastic moldable material, such as a hard plastic material, having a central axis C-C', which is also a longitudinal and longitudinal central axis, and the main body has a uniform length along its length. Thickness, with rounded ends at the longitudinal free ends and a uniform width between the rounded ends. The complete connecting part includes two connecting parts in the example, the connecting parts are distributed at different longitudinal positions along the length of the main body, the elongated rod is an elongated plate shape, and includes a first surface, a second surface and a The peripheral surfaces where the first and second surfaces are interconnected with each other. In this example, the first and second surfaces are parallel to each other, the peripheral surface is perpendicular to the upper and lower surfaces and defines the thickness of the body. In this patent disclosure, the first surface is also referred to as the upper surface or top surface, and the second surface is also referred to as the lower surface or bottom surface.

A connecting portion is formed on the main body 320, and also includes engaging portions 342', 344, each of which has a central axis Ψ1, Ψ2, which is also a coupling axis, along which the engaging portion and the mating portion are The shafts move relative to each other for coupled engagement, and the central axes Ψ1, Ψ2 of the connecting portion are parallel and offset from each other, each central axis Ψ1, Ψ2 being perpendicular to the longitudinal central axis CC' of the main body. In some embodiments, the central axes Ψ1, Ψ2 intersect the central axis CC' of the main body at a non-right angle.

The connecting and mating portions 342', 344' are defined by an inner boundary wall of the body having an inner peripheral surface extending around the central axis Ψ1, Ψ2 and defining an inner bore. The shape of the inner boundary wall and the inner hole defines a radial or peripheral recess, which radially moves away from the central axis Ψ1, Ψ2 and retracts into the body when the inner boundary wall extends or advances parallel to the axial direction.

The inner peripheral surface of the main body, ie facing around the bore and the central axis Ψ1, Ψ2, defines the inner boundary of the fitting portion. The inner boundary of the fitting is also the outer boundary of the inner hole and defines the clearance profile of the fitting or the clearance profile of the inner hole.

The inner peripheral surface extends around the inner periphery of the body, thereby defining distributed engagement means, distributed around the inner side of the body, and matable distributed engagement means engageable with each other, the mating connector having a mating compatible mating functional characteristics.

The inner hole has an axial profile, this clearance profile defines the internal clearance profile of the fitting part, the inner hole has a lateral clearance profile and a lateral clearance dimension along the central axis Ψ1, Ψ2 of its axial level, when the inner hole is along the central axis Ψ1, Ψ2. When Ψ2 is axially extended, the lateral clearance profile and the lateral clearance size change, and the inner hole has uneven lateral clearance profiles in the axial direction of the central axes Ψ1 and Ψ2, as shown in Figure 3A3.

The mating portions 342', 344' in the example have a corrugated portion extending around an inner bore in the body and surrounded by the main body, the corrugated mating portion having an inner surface and an axially extending corrugated profile that is axially parallel to the body. The central axis Ψ1, Ψ2, the corrugated profile extending axially and offset from the central axis Ψ1, Ψ2, the inner surface having the corrugated profile extending around the body and the central axis CC', thereby defining the inner peripheral surface of the mating portion.

The corrugated inner surface in the example is concavely curved, and the concavely curved inner surface faces inward, ie facing the inner bore and the central axis Ψ1, Ψ2. In the example, the inward facing surface of the fitting portion is the inner peripheral surface of the main body, which extends around the inner main body and is arranged in a circular symmetry with the central axes Ψ1 and Ψ2 as the reference. In a perspective view, the inner peripheral surface of the main body may be an inwardly concavely curved surface formed by turning 360 degrees around the central axes YΨ1, Ψ2 along a circular path.

Since the inner surface of the example fitting portion has a corrugated profile in the axial direction, the lateral gap dimension of the fitting portion varies as the fitting portion extends in the axial direction, and the lateral clearance dimension is the lateral dimension in the direction perpendicular to the central axis Ψ1, Ψ2 As measured above, and more specifically, the lateral gap size varies between a maximum gap size that provides the largest lateral gap and a minimum gap size that provides the smallest lateral gap.

The mating portion has a first lateral clearance dimension at the axial level of the top surface of the body, measured at the axial level between diametrically opposite ends of the boundary defining the bore, diametrically opposite ends with The central axes Ψ1 and Ψ2 are the reference. The lateral gap dimension of the mating portion 242' gradually increases with the rate of change of the concave curvature as it extends axially from the axial free end until it reaches the maximum lateral gap dimension at the plane of the maximum lateral gap dimension, in this example the maximum lateral gap dimension. The gap dimension plane is midway between the axial ends of the first engagement portion 242'. The lateral gap dimension of the mating portion gradually decreases with the rate of change of the concave curvature as it extends axially from the maximum lateral gap dimension plane and the top surface to a third lateral gap dimension plane with a third lateral gap dimension. the underside of the main body. In this example, the first and third lateral gap sizes are the same and define the smallest lateral gap size.

The fitting portion extends axially from the free shaft end until it reaches the maximum lateral gap size plane, the lateral clearance size of the fitting portion gradually increases with the rate of change of the concave curvature. In this example, the maximum lateral clearance size plane is located at At the middle of the shaft end of the mating part. As the lateral gap dimension of the first engagement portion 342' extends axially along the plane of the largest lateral gap dimension and reaches a third lateral gap dimension plane with a third lateral gap dimension, the first engagement portion 342' The lateral gap dimension of , which gradually decreases with the rate of change of the curvature of the concave shape, a third lateral gap dimension plane engages the second engagement portion 244' and defines the common boundary of the second engagement portion 344', in this example , the first lateral gap size and the third lateral gap size are the same as each other and define the smallest lateral gap size, and in some embodiments, the first and third lateral gap sizes are different from each other.

The mating portion at or near the plane of minimum lateral clearance dimension is the peripheral protrusion extending radially inward from the body. Since the plane of minimum lateral clearance size is located at the axial end of the mating portion, each peripheral protrusion of the mating portion defines a mating portion. Partial entry or exit openings, each peripheral protrusion defining an entry or exit fence to the mating part. The concavely curved inner contour of the inner bore of the mating portion can be used to closely mate the convexly curved outer contour of male connecting portions, such as male connecting portions 142, 142B, 144, 144B, 146, 146B in the examples.

Generally speaking, the connecting portion and the engaging portion 342', 344' have the same characteristics as the connecting portion of the building blocks 200, 200B', 200C, 200D and the engaging portion 342', 344, and also have the engaging portion 242', 244' or 246B' , except that the central axis of the fitting portion 342' or 344' is perpendicular to the longitudinal central axis CC', and the coupling direction is perpendicular to the longitudinal central axis CC', etc. Furthermore, the engagement plane and longitudinal axis CC' of each engagement portion are parallel to each other.

Except for the aforementioned differences, the description of building block 200 is generally applicable to building block 300, and relevant descriptions may be incorporated into the content of this article by reference.

As shown in FIG. 3A1 , the two fitting parts are connected in series with each other, and the adjacent fitting parts are spaced apart from each other.

The building block 300B in the example includes a main body 320B and a connecting part formed on the main body, as shown in FIGS. 3B1 to 3B3 . In the example, eight fitting parts 341B', 342B'... Its longitudinal ends have square corners. Except for the aforementioned differences, the building block 300B is the same as the building block 300. The relevant descriptions of the building block 300 are incorporated into the content of this document for reference and applicable. The suffix of the reference number is marked with B. As shown in FIG. 3B1, the engaging portions are connected in series with each other, and adjacent engaging portions are spaced apart from each other.

The building block 300C in the example includes a body 320C and a connecting portion 340C formed on the body, as shown in FIGS. 3C1 to 3C3 .

The 8 fittings 341C', 342C' . . . 348 in the example are formed on the body, the body has a curved longitudinal axis CC-CC', and the body has a curved longitudinal axis CC-CC'. Except for the aforementioned differences, the building block 300C is the same as the building block 300, and the relevant description of the building block 300 is incorporated into the content of this document for reference, and the suffix of the reference number is marked with C. As shown in FIG. 3C1 , the engagement portions are connected in series with each other, and adjacent engagement portions are spaced apart from each other.

The building block 400 in the example includes a plurality of the aforementioned types of building blocks connected together, as shown in FIGS. 4A1 to 4A3 . The building block in this example includes two axially aligned building blocks 200 mounted on the shaft ends of the building blocks 100. In the example The building block 100 is used as a male interconnecting joint or an interconnecting block for two building blocks 200. As shown in FIG. 4A3 , one of the two top concave engaging devices of the building block 200 and the male engaging device on the top of the building block 100 are engaged with each other, and one of the two concave engaging devices, the building block 200 at the bottom of the building block 200 and the building block 100 are engaged with each other. The bottom male engaging means engage with each other.

The example building block 400B includes a plurality of the aforementioned types of building blocks connected together, as shown in FIGS. 4B1 to 4B3 , the building block in this example includes two axially aligned stacked building blocks 100 , and the stacked building blocks are formed by the building blocks 200 in the example. interconnected with each other. As shown in FIG. 4B3 , one of the two top concave engaging devices of the building block 200 and the male engaging device on the top of the building block 100 are engaged with each other, and one of the two concave engaging devices, the building block 200 at the bottom of the building block 200 and the building block 100 The bottom male engaging means engage with each other.

The building block 500 in the example is defined by a plurality of building blocks, as shown in FIGS. 5A1 to 5A3 , the building block sub-combination 500 in the example includes the first building block 300 constructed according to the building block 300 , and the building block 300 is the second building block 300 ′ The slender version of , the third block 100C' is constructed according to the block 100C, the block 100C' in the example is used as a male interconnection joint or an interconnection block of the two blocks 300', 300". The block 100C' is used as a When interconnecting devices, a device with movable pivot joints is also formed, and the building blocks 300', 300" can act as a hinge around the building block 100C'.

As shown in FIG. 5A3 , one of the two top concave engaging devices of the building block 300 ′ and the male engaging device on the top of the building block 100 ′ are engaged with each other, and one of the two concave engaging devices of the building block 300 ′ is engaged with the one of the two concave engaging devices of the building block 100C The bottom male engaging means engage with each other.

In order to be able to disassemble the building block sub-assembly 500, the user only needs to pull the first and third building blocks away from the engaging portion, or push out the interconnecting block to which the first and third building blocks are coupled.

The building block 500B in the example is defined by a plurality of building blocks. As shown in FIGS. 5B1 to 5B3 , the building block sub-combination 500B in the example includes a plurality of building blocks 300″, which are interconnected blocks of a plurality of building blocks 100, 100B, 100C, and 100D. , or a variant of the stack interconnect, still without loss of generality.

The building block sub-combination 500C in the example is defined by a plurality of building blocks. As shown in FIGS. 5C1 to 5C2 , the building block sub-combination 500C includes one building block, which is constructed according to the characteristics of the building block 100 , and one of which is constructed according to the characteristics of the building block 100C. , another building block is constructed according to the characteristics of the building block 200, and another building block is constructed according to the characteristics of the building block 200C. The building block 100 is connected to one longitudinal end of the building block 200C, and the building block 100 is also connected to the other longitudinal end of the building block 200C away from the building block 100. The building block 200C is connected to one longitudinal end of the building block 100, but is not connected to the building block 200C. In this sub-combination, the building block 100 can rotate around its coupling axis around the building block 200C, and the building block 200 can rotate around its coupling axis relative to the building block 200C. It can be known that each component in the building blocks 100 , 100C and 200 is a part of the overall structure of the building blocks, and still does not lose its generality. For example, the building block 200C may be a part of the overall composition of the building blocks 300, 300B', 300C, etc.

The building block sub-combination 500D in the example is defined by a plurality of building blocks. As shown in FIGS. 5D1 to 5D2 , the building block sub-combination 500D includes 3 building blocks. Each building block is constructed according to the characteristics of the building block 300C. Features are constructed, and another block is constructed based on the features of block 100C. Referring to the contents of the drawings, two building blocks 300C have the building blocks 100 and 100C connected to each other at their longitudinal ends, one longitudinal end of the third building block 300C is connected to each other at one connecting end of the two building blocks 300C, and the third building block 300C is opposite to the two building blocks 300C. The sub-assembly of the double-connected building blocks 300C is pivoted, and the building block 100C with 3 connecting parts can function as a rotating interconnection joint, thereby connecting the 3 building blocks.

The building block 500E in the example is defined by a plurality of building blocks. As shown in FIGS. 5E1 to 5E4 , the building block sub-combination 500E includes three building blocks. Each building block is constructed according to the characteristics of the building block 300C. constructed of features. Referring to the content of the drawings, all three building blocks 300C are connected to each other at their longitudinal ends, ie by the building block combination of building blocks 100, 200, and all third building blocks 300C are pivotable relative to the sub-combination of building blocks 100, 200 forming interconnecting joints Turn move.

The bricks in the example are made of thermoplastic, which is a rigid or semi-rigid material with a slight elasticity for snap-fit engagement, although the bricks or connecting parts are intended to be quickly connected without the use of permanent fasteners such as screws. Such fasteners may additionally be used to strengthen the structure. In general, the blocks or connecting parts can also be made of metal or other moldable materials that are rigid or semi-rigid and somewhat elastic.

The building block combination disclosed herein may include a first building block, a second building block, and a detachably engaged third building block, the first building block including a first body, and the first engaging means formed on the first body , the first engagement means has a first central axis defining a first coupling axis parallel to the first connecting axis and a first engagement plane perpendicular to the first coupling shaft. The second block includes a second body on which is formed a second engagement means, the second engagement means having a second central axis defining a second coupling axis parallel to the second Two connecting axes and a second joint plane, the second joint plane being perpendicular to the second coupling axis. The third connecting block is an interconnecting block comprising a third body having a longitudinal axis and interconnecting means for interconnecting the first and second building blocks with each other, the interconnecting means including a plurality of engaging means including A first engagement device and a second engagement device, the first engagement device has a first engagement axis, and relatively move the first block and the third block along a first coupling direction, thereby interacting with the first block interconnection. The second engaging means has a second engaging axis for relatively moving the second and third building blocks along a second coupling direction, thereby interconnecting with the second building block. The interconnecting means includes a living hinge link interconnecting the first and second building blocks.

This patent application discloses a building block, the building block includes a main body and a plurality of connecting parts on the main body, the connecting parts can be distributed along the central axis of the main body, each connecting part includes a fitting part, and each fitting part includes a corrugated part, the The corrugated portion has a corrugated profile extending along a coupling direction defined by a coupling axis coaxially aligned with the central axis, the corrugated profile revolving in a direction perpendicular to the central axis, thereby defining a joint plane perpendicular to the coupling direction. Each mating portion includes a corrugated portion having a corrugated profile extending along a coupling direction defined by a coupling axis, the coupling axis being perpendicular to the central axis, the corrugation profile revolving around the coupling axis direction perpendicular to the central axis, thereby defining vertical The joint plane in the coupling direction.

The first engagement means of the interconnection block includes a corrugated peripheral surface extending around a first engagement axis portion having a corrugated profile extending in an axial direction parallel to the first engagement axis Extend, thereby defining the part of the ripple fit. -

The second engagement means of the interconnection block includes a corrugated peripheral surface extending around a second engagement axis portion having a corrugated profile extending in an axial direction parallel to the second engagement axis extending, thereby defining a corrugated fit formed within the third body, thereby defining a concave fit. -

A corrugated fit may be formed on the outer periphery of the third body, thereby defining a convex fit.

The first engagement means of the interconnection block may include a first inner engagement portion and a first outer engagement portion, the first inner engagement portion having a first engagement axis as a coupling axis, the first outer engagement portion and the first engagement portion. One inner fit is coaxially arranged and surrounds the first inner fit.

The second engagement means of the interconnection block may include a second inner engagement portion and a second outer engagement portion, the second inner engagement portion having a second engagement axis as a coupling axis, and the second outer engagement portion and the second engagement portion. The two inner fitting portions are coaxially arranged and surround the second inner fitting portion.

The first inner engagement portion may include a first corrugated inner peripheral surface formed within the third body and extending around the first engagement axis, thereby defining a first inner bore, the first inner bore having along the The first joint extends a first corrugated inner contour, the first corrugated inner contour being parallel to the axial direction of the first engagement shaft, thereby defining a concave engagement portion of the corrugation. The first outer engagement portion includes a first corrugated outer peripheral surface formed at the first outer periphery of the third body and extending around the first engagement axis, the first corrugated outer peripheral surface having a first corrugated outer peripheral surface A profile, this first corrugated outer profile extends in an axial direction parallel to the first engagement axis, thereby defining a convex fit portion of the corrugation.

The second inner engagement portion may include a second corrugated inner peripheral surface formed within the third body and extending around the second engagement axis, thereby defining a second inner bore having along the The second joint extends a second corrugated inner contour, the second corrugated inner contour being parallel to the axial direction of the second engagement shaft, thereby defining a concave engagement portion of the corrugation. The second outer engagement portion includes a second corrugated outer peripheral surface formed on the second outer periphery of the third body and extending around the second engagement axis, the second corrugated outer peripheral surface having a second corrugated outer peripheral surface A profile, the second corrugated outer profile extends in an axial direction parallel to the second engagement axis, thereby defining a convex fit portion of the corrugation.

In some embodiments, the third body is elongated in shape and has a longitudinal central axis, and the first and second engagement means are located at different longitudinal positions of the elongated third body.

In some embodiments, the interconnection means is used to connect the first and second building blocks such that the first and second bodies abut each other.

In some embodiments, the first body is an elongated rod extending along a longitudinal center axis, the living hinge joint has a pivot axis perpendicular to the first longitudinal center axis, and the second body is along the second longitudinal center axis A shaft extending elongated rod with a living hinge joint having a pivot axis perpendicular to the longitudinal central axis. The third body is an elongated rod extending along this third longitudinal central axis, thereby defining the hinge axis of the living hinge joint.

In some embodiments, the hinge axis is perpendicular to the first and second longitudinal central axes.

In some embodiments, the living hinge joint is a living pivot hinge, and the first building block and the second building block can rotate relative to the living pivot hinge.

In some embodiments, the first engagement means is a first snap-fit fastener and the second engagement means is a second snap-fit compatible with the first snap-fit fastener pieces.

In some embodiments, the first and second coupling axes are coaxially aligned, and the longitudinal axis of the third body is perpendicular to either the first or the second coupling axis.

In some embodiments, the first and second engagement axes are coaxially aligned or intersect at an angle.

In some embodiments, a plurality of corrugated fitting portions are formed on the third body, the corrugated fitting portions extend and distribute along the longitudinal direction of the longitudinal axis of the third body, and adjacent corrugated fitting portions are adjacent to each other.

In some embodiments, adjacent corrugated engagement portions abut each other, thereby forming peripheral tapered notches or peripheral tapered protrusions.

In some embodiments, the mating portion includes a protruding portion that projects radially away from the central axis of the main body or protrudes axially away from the main body along the mating portion, thereby defining a corrugated protrusion, having a male mating portion or male joint function. The mating portion includes a notch that retracts radially away from the central axis of the body, or axially retracts into the body along the mating portion, thereby defining a corrugated sleeve, having a female mating portion or a female joint. Function.

In some embodiments, the corrugated portion moves along a circular path or a regular polygonal path with rounded corners when extending around the body.

In some embodiments, an integrally formed connecting portion is formed on the body.

In some embodiments, the body is made of a rigid but somewhat elastic material, such as hard plastic.

In some embodiments, the body is in the shape of an elongated rod with one or more connecting portions distributed along its length, such as along a central longitudinal axis.

In some embodiments, one or more connecting portions are formed along the coupling axis of the connecting portions.

In some embodiments, the body is in the shape of an elongated rod, which can be a solid rectangular, polygonal, circular or oval cross-section.

In the present disclosure, coupling engagement means means a state of engagement in a tight or hermetic fit, including friction fit, snap fit, plug fit, and snap fit.

The disclosure has been described with reference to the examples and embodiments, but the examples and embodiments are not intended to be limiting and should not be limited to the scope of the contents of the disclosure.

For example, a building block example herein is a toy building block or a toy-like application, and the building block combination may be a toy building block or a toy building block combination like a toy. However, the building blocks herein may also be building blocks other than toy building blocks, such as machine building blocks, building blocks such as bricks or brick-like construction blocks and/or other industrial building blocks, such building block combinations may be modularly constructed machines or machine parts, Modular structure, modular structure components, modular structure firmware, firmware components and/or firmware sub-assemblies.

In the application of toy building blocks, the construction components have a radial extent (or width or lateral extent) and an axial extent (or thickness) generally between 1 cm and 15 cm, and the miniature building blocks are between 0.3 mm and 5 cm. For example, with respect to miniature bricks, the radial extent can be in cm, i.e. 1, 1.5, 2, 2.5, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5 , 10, 10.5, 11, 11.5, 12, 12.5, 13.5, 14, 14.5, 15, 15.5, 16, 16.5, 17, 17.5, 18, 18.5, 19, 19.5, 20cm, or higher for large blocks Numerical values, or ranges formed by combinations of any of the foregoing, or the limits of that range. For example, for miniature blocks, the radial extent can be in cm, i.e. 1, 1.5, 2, 2.5, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9.5 , 10, or a higher number may be used for large blocks, or a range formed by a combination of any of the foregoing, or a limit of its range.

For industrial use, such as for the modular construction of machines, buildings, structures, components, the aforementioned values

It can be scaled in its units, and its numerical value can be 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, or a range formed by a combination of any of the foregoing or a limit of its range. , or the building block components can be made of strong thermoplastics, carbon fiber, fiberglass, metal, or other moldable materials, but with high rigidity and little elasticity.

The combination of snap joints, snap connections and snap joints has been described above, and the building blocks may be joined and connected by other snap mechanisms or methods without loss of generality.

Examples of joints described herein are snap joints for snap joints, unless the context requires otherwise, joints herein may be of a snap joint or friction snap joint joint design.

Generally, a snap joint includes a mating portion having a snap engagement feature. Unless otherwise required herein, the terms "snap," "snap engagement," and "snap engagement" are used interchangeably herein. Unless otherwise required herein, the terms "fastener" and "joint" are also used interchangeably herein. Unless the content requires otherwise, in the context of this specification, when referring to a joint or a mating portion having a connecting shaft, the so-called "closed mating" and "coupling joint" are used interchangeably, with respect to the axial direction of the coupling shaft, Along the axial direction of the coupling shaft, the radial and radial extents relative to the coupling shaft are radial.

Unless the content requires otherwise, the so-called "first", "second", "third", "fourth", etc. are for reference only and are not used to indicate their priority or order. If the aforementioned general terms conflict with each other, the conflict in these terms can be resolved by possible reasonable explanations.

With regard to the singular and plural terms in this article, the singular term applies to the plural situation, and further, the plural term applies to the singular situation as permitted or required in the content of this article.

Numerical note table

100 Building Blocks 120 core part 142 first connection part 144 second link 146 third link

Claims (21)

1. a building blocks are made of several coupling parts, wherein each coupling part has in a definition coupling axis and coupling direction Mandrel, concatenated linking portion are distributed along distribution axis, and formation of this distribution axis is by by concatenated several linking portions Central axis or coupling axis combine, and are distributed axis and define distribution arrangement；A linking portion includes one and agrees with part, and agrees with portion Dividing has mechanical snap engagement characteristics, this defines a form and agrees with surface for snap engagement surface, allows buckle along coupling Agree with the part that is correspondingly connected with of corresponding building blocks in direction；Agree with part demarcation Yu Chaoyu central axis direction at right angle and is laterally extended it First plane, and it is parallel with first plane and towards coupling direction axial displacement second plane between.

2. the part of agreeing with of adjacent connecting portion connects, and the adjacent snap engagement surface for agreeing with part connects and shape according to the 1st At a corrugated portion, corrugated portion towards with couple direction direction at right angle coupling axis around extend, formed court with couple The periphery of direction direction extension at right angle extends recess or periphery extension protrudes；The shape of peripheral recesses is a recess, tool Have towards the ripple or corrugated appearance for coupling direction and/or the tapered external become narrow gradually towards coupling axis, and periphery shape outstanding It is the cone tooth to narrow towards coupling axis.

3. peripheral extension recess or periphery extend first that protrudes and will form be because of first coupling part according to the 2nd Second for agreeing with part with second coupling part agrees in conjunction with part, first coupling part and second coupling part shape Adjacent coupling part in a pair.

4. according to the 1st or the 2nd, corrugated portion or in which a part comprising one come across concave surface bended or convex bending it Bending part afterwards.

5. the part combination that agrees with of several coupling parts forms a corrugated surface, ripple table according to range any one of above-mentioned Bread contains several corrugated portions, and the shape of each corrugated portion is a conical depression, has ripple or wave towards coupling direction Appearance and/or towards the tapered external that becomes narrow gradually of coupling axis, each corrugated portion towards with couple direction direction plane at right angle and prolong It stretches, forms periphery and extend recess.

6. snap engagement surface extends around building blocks, and along first plane and second according to range any one of above-mentioned Coupling direction between a plane extends, formed one with couple that direction is at right angle to agree with plane；The card of several coupling parts Lock joint series connection is to form a succession of corrugated portion comprising concatenated several ripples or corrugated part point.

7. according to the 4th, wherein forming adjacent corrugated sections, that is, continuously coupled or adjacent to each other and/or phase of series connection corrugated portion Same connection type.

8. according to any one of aforementioned, the central axises of multiple coupling parts that are closely adjacent to each other therein along common central axis alignment or It intersects with each other in the building blocks.

9., wherein the building blocks according to patent application 1, building blocks therein include a main body or main casing according to any one of aforementioned Body and the inner hole that surface is formed and defined inside main body or main casing, multiple coupling parts therein include that multiple inside connect Socket part point, this internal connection point is formed inside main body or main casing, and the part of agreeing with of multiple internal connections point is ascended the throne Inside main body or main casing, it is in series arrangement situation, defines inner hole or part thereof whereby；Inner hole therein has hole axle, this The distribution axis of hole axle and multiple internal connections point is in co-axial alignment.

10. inner hole therein extends through the through hole of its opposite side of main casing according to the 9th.

11. according to the 9th or the 10th, multiple coupling parts therein further include multiple external connection parts and around the outer of inner hole Portion coupling part.

12. the hole axle and distribution axis of plurality of external connection part are in co-axial alignment according to the 11st.

13. distribution axis therein is perpendicular to coupling axis according to any one of aforementioned.

14. building blocks therein include a slender member according to any one of aforementioned, this slender member has the longitudinal axis, coupling part edge The longitudinal axis distribution, coupling axis therein perpendicular to the longitudinal axis or with longitudinal axis intersection at an acute angle.

15. wherein the thickness of slender member and/or width are suitable or bigger with the thickness of coupling part, thickness according to the 14th It can be measured in coupling direction, width can measure in the direction perpendicular to coupling direction and distribution axis.

16. building blocks combination includes the building blocks of multiple snap engagements, multiple building blocks therein include first and second building blocks, this First and second building blocks snap engagement formation snap-fitting, this snap-fitting is the pivot fitting for defining pivotal axis, In first building blocks include first one or more coupling parts (convex), this coupling part is along first distribution axis Distribution, second building blocks include one or more coupling parts (spill), and first coupling part therein has first contract Part is closed, this, which agrees with part, has first coupling axis, and second coupling part has second and agree with part, this agrees with part With second coupling axis, first therein and second agree with part have a pile can mating snapped into one another agree with portion Point, first and second building blocks, that is, pivotal engagement can allow first and second building blocks around pivotal axis relative rotation, this pivot Shaft couples axis with first and second in co-axial alignment；First therein and second building blocks are i.e. according to patent application 1 To the building blocks of 15 construction.

17. first building blocks therein include main body according to the 16th.

18. building blocks combination therein is the combination of chain group or the rotor leaf including being mounted on armature spindle according to the 16th or 17 Piece combination.

19. according to the 16th, first therein and second is agreed with part mating compatibility each other, have the size that can be coupled and Complementary shape.

20. according to any one of aforementioned, wherein agreeing with the shape of part, profile and size can define a snap engagement plane, This composition plane is limited between 75 degree and 105 degree perpendicular to coupling axis or around central axis, that is, rotational angle.

21. multiple external connection parts therein include multiple external connection parts, each interconnecting piece according to any one of aforementioned Point include a protrusion, this protrusion radial extension that rotates projects away from main body, this radial extension around central axis and Main body, when protrusion extends towards first and/or second plane, this radial extension diameter is gradually become smaller, can allow close to The coupling part of pairing forms a recess each other.