CN219231423U - Rotary connection structure of building block assembly - Google Patents
Rotary connection structure of building block assembly Download PDFInfo
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- CN219231423U CN219231423U CN202321211546.2U CN202321211546U CN219231423U CN 219231423 U CN219231423 U CN 219231423U CN 202321211546 U CN202321211546 U CN 202321211546U CN 219231423 U CN219231423 U CN 219231423U
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- 239000007787 solid Substances 0.000 description 11
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- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a rotary connection structure of a building block assembly, which comprises two tenon strip units, wherein one tenon strip unit is rotatably connected with the other tenon strip unit, and is characterized in that: the tenon strip unit is provided with a groove bottom, a front side wall and a rear side wall, the bottom edge of the front side wall and the bottom edge of the rear side wall are respectively connected with the front edge and the rear edge of the groove bottom in an integrated mode, the groove bottom, the front side wall and the rear side wall enclose a first groove which runs left and right, and the width of a groove opening of the first groove is larger than the width of the groove bottom. The tenon strip unit in the rotary connecting structure of the building block assembly has good elasticity, so that the tenon strip unit is easily inserted into the second groove of the building block structure block smoothly, and the tenon strip unit is easily matched with the inner wall of the second groove tightly.
Description
Technical Field
The utility model relates to a building block toy, in particular to a rotary connection structure of a building block assembly.
Background
The building block toy is provided with building block components which are spliced together like a plurality of mortise and tenon structures. The protruding part in the building block assembly is called tenon (or tenon head); the concave part in the building block assembly is called mortise (or mortise and mortise). Typically, at least one groove is provided in a building block, and connection between two building blocks can be achieved by means of a building block tongue, a part of the building block tongue being inserted into the groove of one building block, and another part of the building block tongue being inserted into the groove of another building block, so that connection between two building blocks is achieved.
In some block toys, it is desirable to have two blocks connected to be able to rotate relative to each other, such as at the joints of a robot-shaped block toy, which requires the use of a rotating connection structure. The rotary connecting structure comprises two tenon strip units, wherein one tenon strip unit is rotatably connected with the other tenon strip unit, one tenon strip unit is inserted into a corresponding groove of one building block structure block, the other tenon strip unit is inserted into a groove of the other building block structure block, connection of the two building block structure blocks can be achieved, and the two building block structure blocks can rotate relatively after connection.
However, in the conventional rotary connection structure, the tenon strip unit is a solid structure (for example, in the specification of the chinese patent application publication No. CN206896844U, the fourth connecting piece is shown in fig. 9A and 9B), the elasticity of the solid tenon strip unit is poor, and the solid tenon strip unit is inserted into the groove of the building block structure block, which generally requires that the solid tenon strip unit and the groove have the same size, so that the tenon strip unit and the groove can just be tightly matched. However, in actual production, there is often a slight error in the dimensions of the solid tongue element and the groove. When the size of the solid tenon strip unit is slightly larger than that of the groove, the solid tenon strip unit is difficult to be smoothly inserted into the groove of the building block structure block; when the size of the solid tenon strip unit is slightly smaller than that of the groove, after the solid tenon strip unit is inserted into the groove of the building block structure block, the solid tenon strip unit is not tightly matched with the inner wall of the groove, and the solid tenon strip unit is easy to separate from the groove.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a rotary connecting structure of a building block assembly, wherein the tenon strip units in the rotary connecting structure of the building block assembly have good elasticity and are convenient to be in plug-in fit with grooves on building block structure blocks. The technical scheme adopted is as follows:
the utility model provides a rotation connection structure of building block subassembly, includes two tenon strip units, and one tenon strip unit and another tenon strip unit rotatable coupling, its characterized in that: the tenon strip unit is provided with a groove bottom, a front side wall and a rear side wall, the bottom edge of the front side wall and the bottom edge of the rear side wall are respectively connected with the front edge and the rear edge of the groove bottom in an integrated mode, the groove bottom, the front side wall and the rear side wall enclose a first groove which runs left and right, and the width of a groove opening of the first groove is larger than the width of the groove bottom.
In general, the notch width refers to the size of the notch in the front-rear direction; the groove bottom width refers to the dimension of the groove bottom in the front-rear direction.
In general, at least one second groove is formed in each building block, one tenon strip unit is inserted into the corresponding second groove of one building block, the other tenon strip unit is inserted into the second groove of the other building block, connection of the two building blocks can be achieved, and the two building blocks can rotate relatively after connection. Generally, the outer edges of the front side wall and the rear side wall at the front side and the rear side of the notch (the distance between the front side wall and the rear side wall is slightly larger than the width of the corresponding part of the second groove) form a part contacted with the inner wall of the second groove on the building block structure block, and as the tenon strip unit is of a hollow structure with the first groove, certain elasticity is provided between the front side wall and the rear side wall, the tenon strip unit is convenient to be in plug-in fit with the second groove of the building block structure block, so that the tenon strip unit is easy to be smoothly plugged in the second groove of the building block structure block, and the tenon strip unit is easy to be in tight fit with the inner wall of the second groove.
In the preferred scheme, tenon strip unit still has left side wall and right side wall, and left side wall's base, preceding border, back border are connected with tank bottom portion left border, preceding side wall left border, back side wall left border an organic whole respectively, and right side wall's base, preceding border, back border are connected with tank bottom portion right border, preceding side wall right border, back side wall right border an organic whole respectively.
In the preferred scheme, a first strip-shaped groove which runs left and right is arranged on the inner surface of the bottom of the tenon strip unit. Through set up first bar recess on the tank bottom internal surface of tenon strip unit, at the in-process of pegging graft tenon strip unit and building block structure's second recess, if preceding lateral wall, back lateral wall receive the extrusion of second recess inner wall, the part that is equipped with first bar recess on the tank bottom can slightly take place elastic deformation, increases the elasticity between preceding lateral wall, the back lateral wall of tenon strip unit.
In a preferred embodiment, the first end of one of the tongue units is hinged to the first end of the other tongue unit. In this way, the two tenon strip units can be bent to different angles.
In a further preferred embodiment, the second end dimensions of the tongue unit are smaller than the middle dimensions of the tongue unit. By this arrangement, the second end portion of the tongue element is smaller in size and the middle portion is larger in size, so that the tongue element is more easily inserted into the second groove of the building block structure block. The middle part of the tenon strip unit can be slightly larger than the width of the corresponding part of the second groove on the building block structure block, when the tenon strip unit is inserted into the second groove of the building block structure block, the middle part of the tenon strip unit with larger size is tightly expanded in the second groove of the building block structure block, so that the tenon strip unit is not easy to separate from the groove.
In a further preferred scheme, in the tenon strip unit, a front strip-shaped outer convex edge is arranged in the middle of the outer edge of the front side of the notch of the first groove, and a rear strip-shaped outer convex edge is arranged in the middle of the outer edge of the rear side of the notch of the first groove. The distance between the front strip-shaped outer convex edge and the rear strip-shaped outer convex edge is slightly larger than the width of the corresponding part of the second groove. When the tenon strip unit is inserted into the second groove of the building block structure block, only the front strip-shaped outer convex edge and the rear strip-shaped outer convex edge are tightly supported between the groove walls of the second groove, so that the contact area between the front side wall and the rear side wall of the tenon strip unit and the groove walls of the second groove can be reduced, the friction force between the front side wall and the rear side wall of the tenon strip unit and the groove walls of the groove is reduced, and the tenon strip unit is convenient to be in plug-in fit with the second groove of the building block structure block.
In a further preferred embodiment, the second end of the tenon strip unit is provided with an end side wall, and the bottom edge, the front edge and the rear edge of the end side wall are respectively connected with the groove bottom, the front side wall and the rear side wall in an integrated manner.
In a further preferred scheme, a first end part of one tenon strip unit is provided with a rear limit disc, and a first end part of the other tenon strip unit is provided with a front limit disc; the front limiting disc and the rear limiting disc are overlapped front and back, and the front limiting disc and the rear limiting disc are hinged through a first hinge assembly.
In a still further preferred scheme, the first hinge assembly is including setting up the first pivot on the preceding side center of back limiting plate, and set up the first articulated through-hole on the preceding limiting plate center, first articulated through-hole is the trend around, is equipped with first annular step on the inner wall of first articulated through-hole, is equipped with at least one first joint piece on the lateral surface of the preceding tip of first pivot, and first pivot is in first articulated through-hole, first joint piece and first annular step joint. The hinge between the front limiting disc and the rear limiting disc is realized by adopting the first hinge assembly, the assembly is convenient, and the end connection structure of the two tenon strip units after assembly is firm.
In still a further preferred scheme, the first rotating shaft comprises at least two first arc-shaped sheets, a first gap is arranged between every two adjacent first arc-shaped sheets, the rear end of each first arc-shaped sheet is integrally connected with the front side surface of the rear limiting disc, and the outer side surface of the front end of each first arc-shaped sheet is provided with the first clamping block; each first arc-shaped piece is positioned in the first hinge through hole. The arc shape in the first arc-shaped sheets means that the outer side edge of the cross section of each first arc-shaped sheet is arc-shaped and is positioned on the concentric circle of the first hinge through hole. Each first arc-shaped piece has certain elasticity, and the first gap is arranged between two adjacent first arc-shaped pieces, so that the assembly of the first hinge assembly is more convenient (in the assembly process, each first clamping block is extruded by the inner wall of the first hinge through hole when passing through the first hinge through hole, each first arc-shaped piece is mutually closed, and each first clamping block is mutually separated by virtue of the elasticity of each first arc-shaped piece after passing through the first hinge through hole, so that the first clamping block is clamped with the first annular step).
In another preferred scheme, the bottoms of the grooves of the two tenon strip units are overlapped and contacted and matched, and the middle part of the bottom of one tenon strip unit is hinged with the middle part of the bottom of the groove of the other tenon strip unit. In this way, the middle part of one tenon strip unit can rotate relative to the middle part of the other tenon strip unit. Typically, the first groove notches on the two tongue units are facing opposite.
In a further preferred scheme, the left end part size and the right end part size of the tenon strip unit are smaller than the middle part size of the tenon strip unit. Through this kind of setting for the size of the left and right sides both ends of tenon strip unit is less, the middle part size is great, no matter peg graft the left end that tenon strip unit size is less first in the second recess of building block structure piece, peg graft the right end that tenon strip unit size is less first in the second recess of building block structure piece, can make tenon strip unit easy intubate in the second recess of building block structure piece. The middle part of the tenon strip unit can be slightly larger than the width of the corresponding part of the second groove on the building block structure block, when the tenon strip unit is inserted into the second groove of the building block structure block, the middle part of the tenon strip unit with larger size is tightly expanded in the second groove of the building block structure block, so that the tenon strip unit is not easy to separate from the groove.
In a further preferred scheme, in the tenon strip unit, a front strip-shaped outer convex edge is arranged in the middle of the outer edge of the front side of the notch of the first groove, and a rear strip-shaped outer convex edge is arranged in the middle of the outer edge of the rear side of the notch of the first groove. The distance between the front strip-shaped outer convex edge and the rear strip-shaped outer convex edge is slightly larger than the width of the corresponding part of the second groove. When the tenon strip unit is inserted into the second groove of the building block structure block, only the front strip-shaped outer convex edge and the rear strip-shaped outer convex edge are tightly supported between the groove walls of the second groove, so that the contact area between the front side wall and the rear side wall of the tenon strip unit and the groove walls of the second groove can be reduced, the friction force between the front side wall and the rear side wall of the tenon strip unit and the groove walls of the groove is reduced, and the tenon strip unit is convenient to be in plug-in fit with the second groove of the building block structure block.
In a further preferred scheme, the tenon strip unit is further provided with a left side wall and a right side wall, wherein the bottom edge, the front edge and the rear edge of the left side wall are respectively and integrally connected with the left edge of the bottom part of the tank, the left edge of the front side wall and the left edge of the rear side wall, and the bottom edge, the front edge and the rear edge of the right side wall are respectively and integrally connected with the right edge of the bottom part of the tank, the right edge of the front side wall and the right edge of the rear side wall.
In a further preferred scheme, the middle part of the top surface of one tenon strip unit is hinged with the middle part of the top surface of the other tenon strip unit through a second hinge assembly; the second hinge assembly comprises a second rotating shaft arranged at the bottom of the tenon strip unit groove and a second hinge through hole arranged at the bottom of the other tenon strip unit groove, a second clamping block is arranged at the tail end of the second rotating shaft, the second rotating shaft is positioned in the second hinge through hole, and the second clamping block is clamped with the edge of the second hinge through hole. The second hinge assembly is adopted to realize the hinge connection between the middle parts of the two tenon strip units, the assembly is convenient, and the middle part connection structure of the two tenon strip units after the assembly is firm.
In a still further preferred scheme, be equipped with the second annular step on the inner wall of second articulated through-hole, the second pivot is in first articulated through-hole, second joint piece and second annular step joint.
In still a further preferred scheme, the second rotating shaft comprises at least two second arc-shaped sheets, a second gap is arranged between every two adjacent second arc-shaped sheets, each second arc-shaped sheet is integrally connected with the bottom of the tenon strip unit, and the outer side face of the tail end of each second arc-shaped sheet is provided with a second clamping block; each second arc-shaped piece is positioned in the second hinging through hole. The arc shape in the second arc-shaped sheets means that the cross section of each second arc-shaped sheet is arc-shaped and is positioned on the concentric circle of the second hinge through hole. Each second arc-shaped piece has certain elasticity, and the second gap is arranged between two adjacent second arc-shaped pieces, so that the assembly of the second hinge assembly is more convenient (in the assembly process, each second clamping block is extruded by the inner wall of the second hinge through hole when passing through the second hinge through hole, each second arc-shaped piece is mutually close, and each second clamping block is mutually separated by virtue of the elasticity of each second arc-shaped piece after passing through the second hinge through hole, so that the second clamping block is clamped with the edge of the second hinge through hole or the second annular step).
Compared with the prior art, the utility model has the following advantages:
the tenon strip unit in the rotary connecting structure of the building block assembly has good elasticity, so that the tenon strip unit is easily inserted into the second groove of the building block structure block smoothly, and the tenon strip unit is easily matched with the inner wall of the second groove tightly.
Drawings
FIG. 1 is a schematic view of the structure of a preferred embodiment 1 of the present utility model;
FIG. 2 is a cross-sectional view of A-A of FIG. 1;
FIG. 3 is a schematic view showing a disassembled state of two tongue units in the preferred embodiment 1 of the present utility model;
FIG. 4 is a schematic structural view of a preferred embodiment 2 of the present utility model;
FIG. 5 is a schematic view showing a disassembled state of two tongue units in the preferred embodiment 2 of the present utility model;
FIG. 6 is a schematic view showing the structure of a second hinge assembly in accordance with the preferred embodiment 2 of the present utility model;
fig. 7 is a schematic view of the construction of the building block according to the preferred embodiment of the present utility model.
Detailed Description
The utility model is described in detail below with reference to the drawings and the specific embodiments.
Example 1
As shown in fig. 1-3 and 7, the rotational connection structure of the building block assembly in this embodiment includes two tenon strip units 1, wherein one tenon strip unit 1 is rotatably connected with the other tenon strip unit 1; the tenon strip unit 1 is provided with a groove bottom 11, a front side wall 12 and a rear side wall 13, the bottom edges of the front side wall 12 and the rear side wall 13 are respectively and integrally connected with the front edge and the rear edge of the groove bottom 11, the front side wall 12 and the rear side wall 13 enclose a first groove 14 which runs left and right, and the groove opening width of the first groove 14 is larger than the groove bottom width.
In general, the notch width refers to the size of the notch in the front-rear direction; the groove bottom width refers to the dimension of the groove bottom in the front-rear direction.
In general, at least one second groove 21 is formed in the building block 2, one tenon unit 1 is inserted into the corresponding second groove 21 of one building block 2, and the other tenon unit 1 is inserted into the second groove 21 of the other building block 2, so that the two building blocks 2 can be connected, and the two building blocks 2 can rotate relatively after being connected. Generally, the outer edges of the front side wall 12 and the rear side wall 13 at the front side and the rear side of the notch (the distance between the front side wall 12 and the rear side wall 13 is slightly larger than the width of the corresponding part of the second groove 21) form a part contacted with the inner wall of the second groove 21 on the building block structure block 2, and because the tenon strip unit 1 is of a hollow structure with the first groove 14, certain elasticity is provided between the front side wall 12 and the rear side wall 13, the tenon strip unit 1 is convenient to be in plug-in fit with the second groove 21 of the building block structure block 2, so that the tenon strip unit 1 is easy to be smoothly plug-in the second groove 21 of the building block structure block 2, and the close fit between the tenon strip unit 1 and the inner wall of the second groove 21 is easy to be realized.
The inner surface of the groove bottom 11 of the tenon strip unit 1 is provided with a first strip-shaped groove 17 which extends left and right. By providing the first strip-shaped groove 17 on the inner surface of the groove bottom 11 of the tenon strip unit 1, if the front side wall 12 and the rear side wall 13 are extruded by the inner wall of the second groove 21 in the process of inserting the tenon strip unit 1 into the second groove 21 of the building block structural block 2, the part of the groove bottom 11 provided with the first strip-shaped groove 17 can slightly deform, so that the elasticity between the front side wall 12 and the rear side wall 13 of the tenon strip unit 1 is increased.
The first end 101 of one of the tongue units 1 is hinged to the first end 101 of the other tongue unit 1. In this way, the two tongue units 1 can be bent at different angles.
The second end 102 of the tongue unit 1 is smaller in size than the middle of the tongue unit 1. By this arrangement, the second end 102 of the tongue element 1 is smaller in size and larger in middle, making it easier to insert the tongue element 1 into the second recess 21 of the building block 2. The middle part of the tenon strip unit 1 can be slightly larger than the width of the corresponding part of the second groove 21 on the building block 2, when the tenon strip unit 1 is inserted into the second groove 21 of the building block 2, the middle part of the tenon strip unit 1 with larger size is tightly expanded in the second groove 21 of the building block 2, so that the tenon strip unit 1 is not easy to separate from the groove.
In the tenon strip unit 1, a front strip-shaped outer convex edge 18 is arranged in the middle of the front edge of the notch of the first groove 14, and a rear strip-shaped outer convex edge 19 is arranged in the middle of the rear edge of the notch of the first groove 14. The spacing between the front and rear outer edges 18, 19 is typically slightly greater than the width of the corresponding portion of the second recess 21. When the tenon strip unit 1 is inserted into the second groove 21 of the building block structure block 2, only the front strip-shaped outer convex edge 18 and the rear strip-shaped outer convex edge 19 are tightly supported between the groove walls of the second groove 21, so that the contact area between the front side wall 12 and the rear side wall 13 of the tenon strip unit 1 and the groove walls of the second groove 21 can be reduced, the friction force between the front side wall 12 and the rear side wall 13 of the tenon strip unit 1 and the groove walls of the groove is reduced, and the tenon strip unit 1 and the second groove 21 of the building block structure block 2 can be conveniently in plug-in fit.
The second end 102 of the tongue unit 1 has an end side wall 1021, and the bottom edge, front edge, and rear edge of the end side wall 1021 are integrally connected to the groove bottom 11, front side wall 12, and rear side wall 13, respectively.
A first end 101 of one tenon strip unit 1 is provided with a rear limit disc 103, and a first end 101 of the other tenon strip unit 1 is provided with a front limit disc 104; the front limit plate 104 and the rear limit plate 103 are stacked front and back, and the front limit plate 104 and the rear limit plate 103 are hinged by the first hinge assembly 3.
The first hinge assembly 3 comprises a first rotating shaft 31 arranged on the center of the front side surface of the rear limiting disc 103 and a first hinge through hole 32 arranged on the center of the front limiting disc 104, the first hinge through hole 32 is in a front-back trend, a first annular step 33 is arranged on the inner wall of the first hinge through hole 32, at least one first clamping block 311 is arranged on the outer side surface of the front end part of the first rotating shaft 31, the first rotating shaft 31 is positioned in the first hinge through hole 32, and the first clamping block 311 is clamped with the first annular step 33. The first hinge assembly 3 is adopted to realize the hinge between the front limit disc 104 and the rear limit disc 103, the assembly is convenient, and the end connection structure of the two tenon strip units 1 after the assembly is firm.
The first rotating shaft 31 includes two first arc-shaped pieces 312, a first gap 313 is provided between two adjacent first arc-shaped pieces 312, the rear end of each first arc-shaped piece 312 is integrally connected with the front side surface of the rear limit plate 103, and the outer side surface of the front end of each first arc-shaped piece 312 is provided with a first clamping block 311; each first arcuate tab 312 is disposed in the first hinge opening 32. The arc shape of the first arc-shaped pieces 312 means that the outer edge of the cross section of each first arc-shaped piece 312 is arc-shaped and is on the concentric circle of the first hinge through hole 32. Each first arc piece 312 has a certain elasticity, and the first gap 313 is arranged between two adjacent first arc pieces 312, so that the assembly of the first hinge assembly 3 is facilitated (in the assembly process, each first clamping block 311 is extruded by the inner wall of the first hinge through hole 32 when passing through the first hinge through hole 32, the first arc pieces 312 are mutually closed, and each first clamping block 311 is mutually separated by virtue of the elasticity of each first arc piece 312 after passing through the first hinge through hole 32, so that the first clamping block 311 is clamped with the first annular step 33).
Example 2
As shown in fig. 4 to 7, the rotational connection structure of the building block assembly in this embodiment is different from that of embodiment 1 in that:
the groove bottoms 11 of the two tenon strip units 1 are overlapped and contacted and matched, and the middle part of the groove bottom 11 of one tenon strip unit 1 is hinged with the middle part of the groove bottom 11 of the other tenon strip unit 1. In this way, the middle part of one tongue unit 1 can be rotated with respect to the middle part of the other tongue unit 1. Typically, the first grooves 14 on the two tongue units 1 are notched in opposite directions.
The left end part size and the right end part size of the tenon strip unit 1 are smaller than the middle part size of the tenon strip unit 1. By this arrangement, the left and right end portions of the tongue bar unit 1 are made smaller in size and larger in middle portion, and the tongue bar unit 1 can be inserted into the second groove 21 of the building block 2 more easily, regardless of whether the left end portion of the tongue bar unit 1 smaller in size is inserted into the second groove 21 of the building block 2 first or the right end portion of the tongue bar unit 1 smaller in size is inserted into the second groove 21 of the building block 2 first. The middle part of the tenon strip unit 1 can be slightly larger than the width of the corresponding part of the second groove 21 on the building block 2, when the tenon strip unit 1 is inserted into the second groove 21 of the building block 2, the middle part of the tenon strip unit 1 with larger size is tightly expanded in the second groove 21 of the building block 2, so that the tenon strip unit 1 is not easy to separate from the groove.
In the tenon strip unit 1, a front strip-shaped outer convex edge 18 is arranged in the middle of the front edge of the notch of the first groove 14, and a rear strip-shaped outer convex edge 19 is arranged in the middle of the rear edge of the notch of the first groove 14. The spacing between the front and rear outer edges 18, 19 is typically slightly greater than the width of the corresponding portion of the second recess 21. When the tenon strip unit 1 is inserted into the second groove 21 of the building block structure block 2, only the front strip-shaped outer convex edge 18 and the rear strip-shaped outer convex edge 19 are tightly supported between the groove walls of the second groove 21, so that the contact area between the front side wall 12 and the rear side wall 13 of the tenon strip unit 1 and the groove walls of the second groove 21 can be reduced, the friction force between the front side wall 12 and the rear side wall 13 of the tenon strip unit 1 and the groove walls of the groove is reduced, and the tenon strip unit 1 and the second groove 21 of the building block structure block 2 can be conveniently in plug-in fit.
The tenon strip unit 1 further comprises a left side wall 15 and a right side wall 16, wherein the bottom edge, the front edge and the rear edge of the left side wall 15 are respectively and integrally connected with the left edge of the groove bottom 11, the left edge of the front side wall 12 and the left edge of the rear side wall 13, and the bottom edge, the front edge and the rear edge of the right side wall 16 are respectively and integrally connected with the right edge of the groove bottom 11, the right edge of the front side wall 12 and the right edge of the rear side wall 13.
The middle part of the top surface of one tenon strip unit 1 is hinged with the middle part of the top surface of the other tenon strip unit 1 through a second hinge assembly 4; the second hinge assembly 4 includes a second rotating shaft 41 disposed on the bottom 11 of the groove of the tenon strip unit 1, and a second hinge through hole 42 disposed on the bottom 11 of the groove of the other tenon strip unit 1, wherein a second clamping block 411 is disposed at the end of the second rotating shaft 41, the second rotating shaft 41 is disposed in the second hinge through hole 42, and the second clamping block 411 is clamped with the edge of the second hinge through hole 42. The second hinge assembly 4 is adopted to realize the hinge connection between the middle parts of the two tenon strip units 1, the assembly is convenient, and the middle part connection structure of the two tenon strip units 1 after the assembly is firm.
The inner wall of the second hinge through hole 42 is provided with a second annular step, the second rotating shaft 41 is located in the first hinge through hole 32, and the second clamping block 411 is clamped with the second annular step.
The second rotating shaft 41 comprises two second arc-shaped pieces 412, a second gap 413 is arranged between two adjacent second arc-shaped pieces 412, each second arc-shaped piece 412 is integrally connected with the bottom 11 of the tenon strip unit 1, and the outer side surface of the tail end of each second arc-shaped piece 412 is provided with a second clamping block 411; each second arcuate tab 412 is disposed in the second hinge throughbore 42. The arc shape of the second arc-shaped pieces 412 means that the cross section of each second arc-shaped piece 412 is arc-shaped and is located on the concentric circle of the second hinge through hole 42. Each second arc piece 412 has a certain elasticity, and the second gap 413 is arranged between two adjacent second arc pieces 412, so that the assembly of the second hinge assembly 4 is facilitated (in the assembly process, each second clamping block 411 is extruded by the inner wall of the second hinge through hole 42 when passing through the second hinge through hole 42, each second arc piece 412 is mutually close, and each second clamping block 411 is mutually separated by virtue of the elasticity of each second arc piece 412 after passing through the second hinge through hole 42, so that the second clamping block 411 is clamped with the edge of the second hinge through hole 42 or the second annular step).
In addition, it should be noted that, in the specific embodiments described in the present specification, names of various parts and the like may be different, and all equivalent or simple changes of the structures, features and principles described in the conception of the present utility model are included in the protection scope of the present utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The utility model provides a rotation connection structure of building block subassembly, includes two tenon strip units, and one tenon strip unit and another tenon strip unit rotatable coupling, its characterized in that: the tenon strip unit is provided with a groove bottom, a front side wall and a rear side wall, the bottom edge of the front side wall and the bottom edge of the rear side wall are respectively connected with the front edge and the rear edge of the groove bottom in an integrated mode, the groove bottom, the front side wall and the rear side wall enclose a first groove which runs left and right, and the width of a groove opening of the first groove is larger than the width of the groove bottom.
2. The rotary joint structure of a toy building set according to claim 1, wherein: the inner surface of the bottom of the tenon strip unit is provided with a first strip-shaped groove which runs left and right.
3. The rotary joint structure of a building block assembly according to claim 1 or 2, wherein: the first end of one tenon strip unit is hinged with the first end of the other tenon strip unit.
4. A rotary joint structure of a building block assembly according to claim 3, wherein: the second end dimensions of the tenon strip units are smaller than the middle dimensions of the tenon strip units.
5. The rotary joint structure of a toy building set according to claim 4, wherein:
in the tenon strip unit, a front strip-shaped outer convex edge is arranged in the middle section of the front edge of a notch of the first groove, and a rear strip-shaped outer convex edge is arranged in the middle section of the rear edge of the notch of the first groove;
the second end of the tenon strip unit is provided with an end side wall, and the bottom edge, the front edge and the rear edge of the end side wall are respectively and integrally connected with the bottom part, the front side wall and the rear side wall of the groove.
6. A rotary joint structure of a building block assembly according to claim 3, wherein:
a first end part of one tenon strip unit is provided with a rear limit disc, and a first end part of the other tenon strip unit is provided with a front limit disc; the front limiting disc and the rear limiting disc are overlapped front and back, and the front limiting disc is hinged with the rear limiting disc through a first hinge assembly;
the first hinge assembly comprises a first rotating shaft arranged on the center of the front side surface of the rear limiting disc and a first hinge through hole arranged on the center of the front limiting disc, the first hinge through hole is in a front-back trend, a first annular step is arranged on the inner wall of the first hinge through hole, at least one first clamping block is arranged on the outer side surface of the front end part of the first rotating shaft, the first rotating shaft is positioned in the first hinge through hole, and the first clamping block is clamped with the first annular step;
the first rotating shaft comprises at least two first arc-shaped sheets, a first gap is formed between every two adjacent first arc-shaped sheets, the rear end of each first arc-shaped sheet is integrally connected with the front side surface of the rear limiting disc, and the outer side surface of the front end of each first arc-shaped sheet is provided with a first clamping block; each first arc-shaped piece is positioned in the first hinge through hole.
7. The rotary joint structure of a building block assembly according to claim 1 or 2, wherein: the bottoms of the grooves of the two tenon strip units are overlapped up and down and are in contact fit, and the middle part of the bottom of one tenon strip unit is hinged with the middle part of the bottom of the other tenon strip unit.
8. The rotary joint structure of a toy building set according to claim 7, wherein:
the left end part size and the right end part size of the tenon strip unit are smaller than the middle part size of the tenon strip unit;
in the tenon strip unit, a front strip-shaped outer convex edge is arranged in the middle of the outer edge of the front side of the notch of the first groove, and a rear strip-shaped outer convex edge is arranged in the middle of the outer edge of the rear side of the notch of the first groove.
9. The rotary joint structure of a toy building set according to claim 7, wherein: the tenon strip unit is also provided with a left side wall and a right side wall, wherein the bottom edge, the front edge and the rear edge of the left side wall are respectively and integrally connected with the left edge of the bottom part of the groove, the left edge of the front side wall and the left edge of the rear side wall, and the bottom edge, the front edge and the rear edge of the right side wall are respectively and integrally connected with the right edge of the bottom part of the groove, the right edge of the front side wall and the right edge of the rear side wall.
10. The rotary joint structure of a toy building set according to claim 7, wherein:
the middle part of the top surface of one tenon strip unit is hinged with the middle part of the top surface of the other tenon strip unit through a second hinge assembly; the second hinge assembly comprises a second rotating shaft arranged at the bottom of the tenon strip unit groove and a second hinge through hole arranged at the bottom of the other tenon strip unit groove, a second clamping block is arranged at the tail end of the second rotating shaft, the second rotating shaft is positioned in the second hinge through hole, and the second clamping block is clamped with the edge of the second hinge through hole;
the inner wall of the second hinge through hole is provided with a second annular step, the second rotating shaft is positioned in the first hinge through hole, and the second clamping block is clamped with the second annular step;
the second rotating shaft comprises at least two second arc-shaped sheets, a second gap is arranged between every two adjacent second arc-shaped sheets, each second arc-shaped sheet is integrally connected with the bottom of the tenon strip unit, and the outer side face of the tail end of each second arc-shaped sheet is provided with a second clamping block; each second arc-shaped piece is positioned in the second hinging through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321211546.2U CN219231423U (en) | 2023-05-19 | 2023-05-19 | Rotary connection structure of building block assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321211546.2U CN219231423U (en) | 2023-05-19 | 2023-05-19 | Rotary connection structure of building block assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219231423U true CN219231423U (en) | 2023-06-23 |
Family
ID=86842353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321211546.2U Active CN219231423U (en) | 2023-05-19 | 2023-05-19 | Rotary connection structure of building block assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219231423U (en) |
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2023
- 2023-05-19 CN CN202321211546.2U patent/CN219231423U/en active Active
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Effective date of registration: 20240515 Address after: 43-137 National Defense Road, Xiji Town, Tongzhou District, Beijing, 101100 Patentee after: Tangkuai (Beijing) Technology Co.,Ltd. Country or region after: China Address before: No.8, Lane 2, Longhou Neipian, Longkengju Committee, Guangyi Street, Chenghai District, Shantou City, Guangdong Province, 515000 Patentee before: Shantou Sanos Trading Co.,Ltd. Country or region before: China Patentee before: Tangkuai (Beijing) Technology Co.,Ltd. |
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