WO2021184559A1

WO2021184559A1 - Spherical building block

Info

Publication number: WO2021184559A1
Application number: PCT/CN2020/095808
Authority: WO
Inventors: 张义杰
Original assignee: 太仓市哲泰天产品设计有限公司
Priority date: 2020-03-16
Filing date: 2020-06-12
Publication date: 2021-09-23
Also published as: DE202020005641U1; CN111167134A

Abstract

Disclosed in the present invention is a spherical building block, comprising an upper portion and a lower portion, the upper portion is connected to the lower portion and a spherical structure is formed; insertion heads and insertion holes are provided at connection seams of the upper portion and the lower portion, an insertion hole is provided at a top end of the upper portion, and an insertion head is arranged at a top end of the lower portion. In configuring the building block as a spherical building block, and the inner portion thereof being a hollow structure, once same has been produced and a connection piece has been fixed, an interference fit is formed between an insertion head and an insertion hole; the insertion holes are on a curved face, when an insertion head is inserted, an inner edge of an insertion hole will deform toward the center of the sphere, and a restoring force action upon the insertion head will also be produced, allowing the insertion head to be firmly inserted into the insertion hole; additionally, the connection seams are provided on the insertion holes, so as to guide the insertion holes in deforming, providing a better tactile feeling for the user; and due to unavoidable error during production, the described structure can ensure that the insertion heads can be firmly fixed within each insertion hole, and even after long term use and wear, the insertion holes can still be used as normal; frequent adjustment of screw tightness is unnecessary.

Description

A kind of spherical building blocks

Technical field

The invention relates to a spherical building block.

Background technique

The common building blocks are square, but rarely have a spherical structure. The sphere is very difficult to produce. The existing spherical building blocks are usually connected by splicing, that is, solid balls and independent connecting rods are produced, and then processed on the surface of the solid balls. The socket or screw hole is connected to the solid ball through the connecting rod; the production process of the above spherical building blocks is complicated and the production cost is high; especially due to the inevitable error in the production, the socket and the connecting rod may not fit well , Some jacks are too tightly fitted, and some jacks have a clearance fit; in addition, after long-term use, the jack and the connecting rod will wear out, and the connection will be loose and easy to separate and fall off.

Summary of the invention

In view of the above defects in the prior art, the main purpose of the present invention is to overcome the deficiencies of the prior art, and discloses a spherical building block comprising an upper part and a lower part, the upper part and the lower part are connected to form a spherical structure, a plug and a socket It is arranged at the joint between the upper part and the lower part, the jack is arranged at the top of the upper part, and the plug is arranged at the top of the lower part.

Further, the upper part includes an upper top part and an upper middle part, the upper top part and the upper middle part are combined to form a hemispherical structure, the socket and the plug are arranged at the joint; the lower part comprises a lower top part And the lower middle part, the lower top part and the lower middle part are combined to form a hemispherical structure, and the socket and the plug are arranged at the joint.

Further, the upper middle part is composed of at least two upper and lower combined parts, and the lower middle part is composed of at least two upper and lower combined parts.

Further, the joint between the upper top and the upper middle part and the joint between the lower top and the lower middle part are provided with clamped V-shaped grooves.

Further, the connecting surface of the upper top portion and the upper middle portion and the connecting surface of the lower top portion and the lower middle portion are positioned and connected by positioning recesses and positioning protrusions.

Further, the radial direction of the socket and the plug passes through the center of the spherical structure.

Further, the connecting surface of the upper part and the lower part is positioned and connected by a positioning recess and a positioning protrusion.

Further, the jack at the top of the upper part is provided with a first connecting rod extending toward the center of the sphere, and a fixing hole communicating with the jack is provided on the first connecting rod, and the plug at the top of the lower part is A second connecting rod is provided extending toward the center of the spherical structure, and a screw hole is provided on the second connecting rod, the center line of the fixing hole and the screw hole are on the same straight line, and the upper part and After the lower part is assembled, there is a gap between the first connecting rod and the second connecting rod, and the fixing hole and the screw hole are fixed by screws.

Further, the jack is composed of two semi-circular holes on the upper and lower sides.

Further, the plug is arranged on the upper portion or the lower portion, and a semicircular notch matching with the plug is provided at a corresponding position of the lower portion or the upper portion.

The beneficial effects achieved by the present invention:

(1) The spherical building block is composed of at least two parts, which are clamped and fixed by the connecting piece, so as to realize the fixation and adjustment of the tightness of the connection between the upper part and the lower part;

(2) Set the building block as a spherical building block with a hollow structure inside. After the connector is fixed at the factory, the plug and the jack are in interference fit, and the jack is on the curved surface. When the plug is inserted, the plug is inserted. The inner edge of the hole will deform toward the center of the sphere, and a restoring force will be generated to act on the plug, so that the plug can be firmly inserted into the jack; in addition, a seam is provided on the jack to guide the deformation of the jack and make the user It feels better, and due to inevitable errors in production, the above structure can ensure that the plug can be firmly fixed in each jack; and even after long-term use and wear, the normal use of the jack can be ensured; no frequent adjustment of screws is required The tightness;

(3) The cross-section of the positioning bump is triangular, and the positioning bump and the positioning notch arranged in the ring are used to prevent the horizontal rotation and position shift of each part of the spherical building block;

(4) One half of the plug at the joint of each part of the spherical building block is only fixed to one of the parts, and the other half is fixed by the semicircular notch, which realizes the fixation of the plug and also plays a role in the connection between the parts of the spherical building block. Location positioning.

Description of the drawings

Fig. 1 is a schematic structural diagram of an embodiment of a spherical building block of the present invention;

Figure 2 is a cross-sectional view of Figure 1;

Figure 3 is a schematic view of the upper structure of the embodiment of Figure 1;

4 is a schematic diagram of the lower structure of the embodiment in FIG. 1;

Figure 5 is a schematic structural diagram of another embodiment of a spherical building block;

Figure 6 is a cross-sectional view of Figure 5;

Figure 7 is a schematic view of the upper part of the embodiment of Figure 5;

FIG. 8 is a schematic diagram of the lower part of the embodiment of FIG. 5;

Fig. 9 is a schematic diagram of the upper top structure in Fig. 7;

FIG. 10 is a schematic diagram of the structure of the upper middle part in FIG. 7;

Figure 11 is a schematic diagram of the state of use of spherical building blocks;

Figure 12 is a side view of the plug after insertion;

Figure 13 is a front view of the plug inserted into the jack.

Detailed ways

In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not used to limit the present invention.

A spherical building block, as shown in Figures 1-4, includes an upper part 1 and a lower part 2. The upper part 1 and the lower part 2 are combined to form a spherical structure; that is, the upper part 1 and the lower part 2 are hemispherical structures with a hollow structure inside. The plug 3 and the jack 4 are arranged at the joint between the upper part 1 and the lower part 2, the upper part 1 is provided with the jack 4, and the lower part is provided with the plug 3 at the top. The upper part 1 and the lower part 2 are fixed by ultrasonic welding. When in use, the plug 3 is inserted into the socket 4 of another spherical building block to realize the splicing between the spherical building blocks. Of course, the connection method of the upper part 1 and the lower part 2 is not limited to be fixed by ultrasonic welding, preferably, it can be fixed by screws. Specifically, the jack 4 at the top of the upper part 1 is provided with a first connecting rod 7 extending toward the center of the sphere, and a fixing hole communicating with the jack is provided on the first connecting rod 7, and the plug 3 at the top of the lower part 2 faces the spherical structure. The second connecting rod 8 is extended from the center of the sphere, and the second connecting rod 8 is provided with a screw hole. There is a gap between the second connecting rod 8 and the fixing holes and screw holes are fixed by screws. When in use, after the upper part 1 and the lower part 2 are combined, the screw passes through the fixing hole of the first connecting rod 7 and threadedly fits with the screw hole of the second connecting rod 8, thereby fixing the upper part 1 and the lower part 2; it can be adjusted by fixing the screw The degree of compression between the upper part 1 and the lower part 2. It can be known that if the matching accuracy of the plug 3 and the jack 4 is not high, the insertion may be loose or the insertion may be too tight, and the experience is very poor. With the above structure, after insertion, the screw can be tightened to further adjust the tight fit between the plug 3 and the plug 4. In addition, set the building blocks into a spherical shape, and set the socket 4 on the spherical surface, as shown in Figures 12-13. Figure 12 shows a side view of the plug after it is inserted, and Figure 13 shows a front view after the plug is inserted. Figure; It can be seen that because the surface of the jack 4 is an arc structure, there will be a reverse force F when inserted, and the reverse force F is applied to the plug, so that the plug 3 can be fixed more firmly; and the joint seam, that is, the jack 4 is composed of two semicircles. Therefore, when inserting deforms the socket, the deformation is guided so that the deformation occurs at the joint, making the socket 4 easier to deform and expand on both sides; even if the screw is too tight, the upper part 1 and The lower part 2 is clamped tighter. Through the above-mentioned structure, the screw can be tightened to the interference fit in advance, and the user can easily insert the plug 3; in addition, due to the inevitable error in the production and processing, the jack is loose after the screw is tightened. It is tight, through the fit of the jack 4 and the seam provided on the curved surface, the fit between the jack 4 and the plug 3 can be ensured, and the connection between the building blocks is firm. In addition, after the screws are tightened at the factory, the user does not need to adjust the screws later. The two parts of the jack are tightly matched due to the screw fixation. Even after long-term wear and tear, the plug can still be installed stably.孔内。 In the hole.

In order to make the upper part 1 and lower part 2 assembled, the relative positions of the two are installed accurately, the upper part 1 and the lower end step 2 are positioned and connected by the positioning notch 5 and the positioning protrusion 6; that is, the corresponding positions on the connecting surface of the upper part 1 and the lower part 2 are respectively A positioning recess 5 and a positioning protrusion 6 are provided. Preferably, several positioning recesses 5 and positioning protrusions 6 are arranged along the edges of the upper part 1 and the lower part 2 to form a ring structure to improve positioning accuracy and connection strength. In another preferred embodiment, the cross section of the positioning protrusion 6 is triangular.

Among them, the jack 4 is composed of two upper and lower semicircular holes; in addition, the plug 3 is arranged on the upper part 1 or the lower part 2, and a semicircular notch matching the plug is provided at the corresponding position of the lower part 2 and the upper part 1, to realize the upper part 1. Positioning when installing with the lower part 2.

In the above embodiment, several plugs 3 and jacks 4 are provided at the seam, and they can be arranged at intervals. Of course, it is also possible to provide several jacks 4 after several plugs 3 are continuously provided.

In another embodiment, as shown in Figures 5-11, in order to increase the fun and functionality of the spherical building blocks, in the direction of the spherical surface plugs and jacks, the upper part 1 includes an upper top part 11 and an upper middle part 12, the upper top part 11 and the upper middle part 12 are combined to form a hemispherical structure, the socket 4 and the plug 3 are arranged at the joint; the lower part 2 includes a lower top 21 and a lower middle part 22, the lower top 21 and the lower middle part 22 combine to form a hemispherical structure, The jack 4 and the plug 3 are arranged at the joint; similarly, the jack 4 is composed of two upper and lower semicircles; a part of the plug 3 is fixedly arranged on the upper top portion 11 or the upper middle portion 12, and the connecting portion has a semicircular structure, In addition, a semicircular recess is provided at the corresponding position of the upper middle portion 12 or the lower top portion 11 to accommodate the other part of the plug 3. At the same time, the plug 3 is used to realize the positioning between the upper top portion 11 and the upper middle portion 12 during installation. The connection structure of the lower top portion 21 and the lower middle portion 22 is the same as the structure of the upper top portion 11 and the upper middle portion 12, and will not be described too much.

In the above embodiment, the joint between the upper top 11 and the upper middle part 12 and the joint between the lower top 21 and the lower middle part 22 are provided with clamped V-shaped grooves 9. Through the arrangement of the V-shaped groove 9, a slight deformation space is provided for the jack 4 at the joint, and the tight fit between the jack 4 and the plug 3 can be adjusted. Of course, as shown in FIG. 2, a V-shaped groove 9 may also be provided on the connecting surface between the upper part 1 and the lower part 2.

In an embodiment, the connecting surface of the upper top portion 11 and the upper middle portion 12 and the connecting surface of the lower top portion 21 and the lower middle portion 22 are positioned and connected by the positioning recess 5 and the positioning protrusion 6. That is, a positioning recess 5 and a positioning protrusion 6 are respectively provided on the connecting surface of the upper top portion 11 and the upper middle portion 12 and the connecting surface of the lower top portion 21 and the lower middle portion 22 at corresponding positions. Preferably, several positioning notches 5 and positioning projections 6 are provided along the edges of the connecting surface of the upper top portion 11 and the upper middle portion 12 and the connecting surface of the lower top portion 21 and the lower middle portion 22 to form a ring structure to improve positioning accuracy And connection strength.

In one embodiment, the radial direction of the socket 4 and the plug 3 passes through the center of the spherical structure.

In addition, in order to increase the number of jacks 4 and plugs 3, the upper middle part 12 can be composed of upper and lower parts, or three parts, or even more; similarly, the lower middle part 22 can have upper and lower parts. The composition can also be composed of three parts, or even more.

It should be noted that the spherical structure described above may be round or elliptical.

The above are only preferred embodiments of the present invention, and are not used to limit the scope of implementation of the present invention; if the present invention is modified or equivalently replaced without departing from the spirit and scope of the present invention, it shall be covered by the protection scope of the claims of the present invention. among.

Claims

A spherical building block, characterized in that it comprises an upper part and a lower part, the upper part and the lower part are connected to form a spherical structure, and the spherical structure is an internal hollow structure, the upper part and the lower part are clamped and fixed by connecting pieces, a plug and The jack is provided at the joint between the upper part and the lower part, the jack is provided at the top of the upper part, and the plug is provided at the top of the lower part.
The spherical building block according to claim 1, wherein the upper part includes an upper top and an upper middle part, the upper top and the upper middle part are combined to form a hemispherical structure, and the socket and the upper middle part are combined to form a hemispherical structure. The plug is arranged at the seam; the lower part includes a lower top and a lower middle part, the lower top and the lower middle part are combined to form a hemispherical structure, and the socket and the plug are arranged at the seam.
The spherical building block according to claim 2, wherein the upper middle part is composed of at least two upper and lower combined parts, and the lower middle part is composed of at least two upper and lower combined parts.
A spherical building block according to claim 2, wherein the joint between the upper top and the upper middle part and the joint between the lower top and the lower middle part are provided with clamped V形槽。 Shaped slot.
The spherical building block according to claim 2, characterized in that the connecting surface of the upper top and the upper middle part and the connecting surface of the lower top and the lower middle part pass through a positioning recess and a positioning convex Block positioning connection.
The spherical building block according to claim 2, wherein the radial direction of the socket and the plug passes through the center of the spherical structure.
The spherical building block according to claim 1, wherein the connecting surface of the upper part and the lower part is positioned and connected by a positioning recess and a positioning protrusion.
The spherical building block according to claim 1, wherein the connecting portion includes a first connecting rod provided at the top end of the upper part, the insertion hole extending toward the center of the sphere, and the first connecting rod at the top end of the lower part. The plug is provided with a second connecting rod extending toward the center of the spherical structure, the first connecting rod and the second connecting rod are fixed by screws, and after the upper part and the lower part are combined, the first connecting rod There is a gap with the second connecting rod.
The spherical building block according to claim 1, wherein the socket is composed of two semi-circular holes on the upper and lower sides.
The spherical building block according to claim 1, wherein the plug is arranged on the upper part or the lower part, and a half mating with the plug is arranged at a corresponding position of the lower part or the upper part. Round notch.