Marble toy in the shape of a flying saucer

The marble toy in the shape of a flying saucer addresses monotonous gameplay by introducing competitive balance challenges and interactive elements, ensuring high engagement and ease of use.

DE202025105654U1Active Publication Date: 2025-12-24SHENZHEN SHENGYING TECH CO LTD
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Patent Information

Application Number
DE202025105654
Authority / Receiving Office
DE · DE
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2025-09-19
Publication Date
2025-12-24
Estimated Expiration
2035-09-30

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Abstract

Marble toy in the shape of a flying saucer, characterized in that it includes: a first placement section (1) wherein several placement units (24) are provided on the first placement section (1) for placing marbles (4); a first support section, wherein the first support section is connected to a first connecting section and the first support section serves to support the first placement section (1).
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Description

TECHNICAL AREA

[0001] The present uselessness concerns the field of toy technology, in particular a marble toy in the shape of a flying saucer. STATE OF THE ART

[0002] Traditional marble toys, such as marble labyrinths or marble runs, are mostly static or feature only simple straight or curved tracks. Their gameplay is relatively monotonous, lacks interactivity for multiple players, and has limited appeal for children.

[0003] Therefore, it is necessary to design a ball toy with a novel design, high interactivity, and the ability to offer more sensory stimuli or challenges. CONTENTS OF THE PRESENT USE SAMPLE

[0004] To eliminate the deficiencies in the prior art, the present utility model provides a marble toy in the shape of a flying saucer, comprising the following: a first placement section, wherein several placement units are provided on the first placement section for placing marbles; a first support section, wherein the first support section is connected to a first connecting section and the first support section serves to support the first placement section.

[0005] As a further development of the present utility model, it is provided that the first support section is connected to the first placement section.

[0006] As a further development of the present utility model, it is provided that the first support section is connected to the first placement section.

[0007] As a further development of the present utility model, it is provided that the multiple placement units are arranged along the perimeter of the first placement section; wherein the multiple placement units further comprise a first placement groove and a second placement groove, wherein the first placement groove and the second placement groove are arranged along the perimeter of the first placement section.

[0008] As a further development of the present utility model, it is provided that the first placement section further comprises a first placement platform and a first placement projection, wherein the first placement projection is connected to the first placement platform, wherein the first placement groove and the second placement groove are each arranged on the top side of the first placement platform; wherein the first placement projection comprises a third placement groove and a fourth placement groove, wherein the third placement groove and the fourth placement groove are arranged along the perimeter of the side wall of the first placement projection.

[0009] As a further development of the present utility model, it is provided that the number of first placement grooves is several and the number of second placement grooves is several, wherein the several first placement grooves are arranged successively from the center of the first placement section to the edge of the first placement section; wherein the several second placement grooves are arranged successively from the center of the first placement section to the edge of the first placement section; wherein the number of third placement grooves is several and the number of fourth placement grooves is several, wherein the several third placement grooves are arranged successively from the top of the first placement projection to the underside of the first placement projection; wherein the several fourth placement grooves are arranged successively from the top of the first placement projection to the underside of the first placement projection.

[0010] As a further development of the present utility model, it is provided that it also includes a fifth placement groove, wherein the fifth placement groove is located at the top of the first placement lead.

[0011] As a further development of the present utility model, it is provided that it further comprises a storage bag, wherein the storage bag has a receiving chamber for receiving marbles and a receiving opening connected to the receiving chamber, wherein the storage bag is arranged within the first receiving chamber; the receiving opening further comprises a drawstring and an adjustable clasp, wherein the adjustable clasp serves to adjust the drawstring so that the drawstring opens or closes the receiving opening; wherein it further comprises a first boundary section, wherein the first boundary section surrounds a boundary chamber, wherein the first support section and the first placement section are arranged within the boundary chamber.

[0012] As a further development of the present utility model, it is provided that the first support section is connected to the first placement section by a snap fastener.

[0013] As a further development of the present utility model, it is provided that the first placement section is provided with a protruding first locking block, the first support section is provided with a first locking slot, wherein the first locking slot has a first recess, wherein the first locking block can be screwed into the first locking slot through the first recess in order to combine the first support section and the first placement section into a unit; wherein the number of first locking blocks is multiple, wherein the multiple first locking blocks are arranged along the circumference of the first placement section;wherein the number of first recesses is several, wherein the several first recesses are arranged along the circumference of the first support section, wherein the several first recesses correspond one-to-one with the plurality of several locking blocks.

[0014] As a further development of the present utility model, it is provided that the first placement section has a first positioning pin, wherein the first support section has a second positioning pin, wherein when the first positioning pin is aligned with the second positioning pin, the first locking block is aligned with the first recess; the first placement section has a first positioning groove, wherein the first support section has a second positioning groove, wherein when the first positioning groove is aligned with the second positioning groove, the first locking block is aligned with the first recess; wherein the first positioning pin is arranged above the first positioning groove, the second positioning pin is arranged below the second positioning groove;wherein the number of first positioning pins is multiple, the number of first positioning grooves is multiple, the number of second positioning pins is multiple, and the number of second positioning grooves is multiple, wherein the multiple first positioning pins and the multiple first positioning grooves are arranged along the perimeter of the first placement section; wherein the multiple second positioning pins and the multiple second positioning grooves are arranged along the perimeter of the first support section.

[0015] As a further development of the present utility model, it is provided that the first support section further comprises a first support platform, wherein the first support platform is connected to the first support floor; wherein the first placement platform is connected to the first support platform.

[0016] As a further development of the present utility model, it is provided that it further comprises a protruding weight compensation section, wherein the weight compensation section comprises several weight compensation parts, the several weight compensation parts being arranged around the underside of the first support platform.

[0017] As a further development of the present utility model, it is provided that the first placement platform is a first ring-shaped placement platform, that the first placement projection is an arc-shaped placement projection, wherein the width of the first placement projection decreases at least gradually from the bottom, and wherein the first placement projection is located in the middle of the first placement platform.

[0018] As a further development of the present utility model, it is provided that the first placement groove and the second placement groove are formed by a recess in the upper surface of the first placement platform, such that a first projection corresponding to the first placement groove and a second projection corresponding to the second placement groove are formed on the underside of the first placement platform. The width of the first support surface gradually increases from bottom to top, with the lower end of the first support surface having a first flat support underside.

[0019] As a further development of the present utility model, it is provided that the first limiting section is a flexible first limiting section, wherein the first limiting section is a first limiting rope body; wherein the first placement section is a first placement section made of plastic and the second support section is a second support section made of plastic.

[0020] As a further development of the present utility model, it is provided that the first positioning groove is the first triangular positioning groove, wherein the second positioning groove is the second triangular positioning groove.

[0021] The advantage of the present utility model is that it provides a marble toy in the shape of a flying saucer, comprising: a first placement section, wherein several placement units for placing marbles are provided on the first placement section; a first support section, wherein the first support section is connected to a first connecting section, and the first support section serves to support the first placement section. The two users can change the center of gravity of the marble toy by successively placing marbles on several placement units until the first placement section tips over completely. The user who causes the first placement section to tip over completely loses the game, and the user who does not cause the first placement section to tip over completely wins the game.The core gameplay principle of this utility model, due to its exceptionally strong competitive and interactive nature, lies in the direct contest between users. By placing marbles and disrupting the balance, users engage in immediate, highly strategic interactions, fundamentally altering the traditional model of marbles toys, which focuses on individual play and observation. The tension of victory or defeat persists until the very last moment, significantly enhancing the excitement and competitive enjoyment of the game. It is ideally suited for gatherings with friends or family and possesses strong social qualities. BRIEF DESCRIPTION OF THE DRAWING

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the attached drawings used in describing these embodiments are briefly described below. Of course, the attached drawings in the following description represent only some of the embodiments of this utility model, and a person skilled in the art could create other attached drawings based on these without any creative effort.

[0023] The present utility model is described in more detail below in connection with the attached drawings and embodiments; Fig. Figure 1 is a schematic representation of the overall structure of the present utility model; Fig. Figure 2 is an exploded view of the present utility model; Fig. Figure 3 is a schematic representation of the recording space of the present utility model; Fig. Figure 4 is a schematic representation of the first boundary section and the boundary area of ​​the present utility model; Fig. Figure 5 is a schematic representation of the first placement section of the present utility model; Fig. Figure 6 is a schematic representation of the structure at position A in Fig. 1 of the present utility model; Fig. Figure 7 is a schematic representation of the structure at position B in Fig. 5 of the present utility model; Fig. Figure 8 is a sectional view of the utility model; Fig. Figure 9 is a schematic representation of the structure at position C in Fig. 2 of the present utility model; and Fig. Figure 10 is a schematic representation of the structure at position D in Fig. 3 of the present utility model. DETAILED DESCRIPTION

[0024] With reference to the Fig.The marble toy, numbered 1 to 10, is in the shape of a flying saucer and comprises: a first placement section 1, which has several placement units 24 for placing marbles 4; a first support section 2, which is connected to a first connecting section 3 and serves to support the first placement section 1. This structure allows the user to place the marbles 4 into the placement units 24 one after the other. The first user to tip over the first placement section 1 is the loser. The user who does not tip over the first storage section 1 is the winner.

[0025] In this embodiment, the first support section 2 is detachably connected to the first placement section 1. Due to the aforementioned structure, the user can, by rotating the first placement section 1 and the first support section 2, slide the first locking block 16, which is encompassed by the first connecting section 3, out of the first recess 19, thereby separating the first placement section 1 and the first support section 2 and enabling the detachable connection of the marble toy.

[0026] In this embodiment, a first receiving space 5 is formed between the first support section 2 and the first placement section 1, the first receiving space 5 serving to receive marbles 4; the above-mentioned structure allows the user to place the storage bag 13 in the first receiving space 5 to store marbles 4, making it more difficult to lose the marbles 4 and making it easier to store the marble toy in the shape of a flying saucer.

[0027] In this embodiment, several placement units 24 are arranged along the circumference of the first placement section 1; the several placement units 24 further comprise a first placement groove 6 and a second placement groove 7, wherein the first placement groove 6 and the second placement groove 7 are arranged along the circumference of the first placement section 1; wherein the first placement section 1 further comprises a first placement platform 8 and a first placement projection 9, wherein the first placement projection 9 is connected to the first placement platform 8, and wherein the first placement groove 6 and the second placement groove 7 are each arranged on the upper side of the first placement platform 8;wherein the first placement projection 9 has a third placement groove 10 and a fourth placement groove 11, the third placement groove 10 and the fourth placement groove 11 being arranged along the circumference of the side wall of the first placement projection 9; wherein the number of third placement grooves 10 is multiple and the number of fourth placement grooves 11 is multiple, the multiple third placement grooves 10 being arranged successively from the top of the first placement projection 9 to the bottom of the first placement projection 9; wherein the multiple fourth placement grooves 11 being arranged successively from the top of the first placement projection 9 to the bottom of the first placement projection 9;The first placement groove 6 and the second placement groove 7 are formed by a recess in the upper surface of the first placement platform 8, such that a first placement projection 9 corresponding to the first placement groove 6 and a second support projection 26 corresponding to the second placement groove are formed on the underside of the first placement platform 8; the width of the first support base 28 gradually increases from bottom to top, the lower end of the first support base 28 having a flat first support base surface 27; furthermore, it includes a fifth placement groove 12, the fifth placement groove 12 being located at the apex of the first placement projection 9. By the above-mentioned structure, a marble toy in the shape of a flying saucer comprises a first placement section 1, with several placement units 24 for placing marbles 4 being provided on the first placement section 1;a first support section 2, wherein the first support section 2 is connected to a first connecting section 3 and the first support section 2 serves to support the first placement section 1. The first support section 2 has a first arched support base 28, so that the first support base 28 can support the first placement section 1. By continuously placing marbles 4 on several placement units 24, the center of gravity of the marble toy in the shape of a flying saucer is changed until the first placement section 1 completely tips over. The user who is the first to unbalance the first placement section 1 and thereby completely tip over the marble toy in the shape of a flying saucer is considered the loser of the game. The user who does not unbalance the marble toy in the shape of a flying saucer and thus does not tip over is considered the winner of the game.

[0028] In this embodiment, several raised reinforcing ribs 32 are also arranged on the first placement projection 9, with the reinforcing ribs 32 being located between the third placement groove 10 and the fourth placement groove 11; the structure described above allows the user to freely place the marbles 4 one after the other into the first placement groove 6, the second placement groove 7, the third placement groove 10, the fourth placement groove 11 and the fifth placement groove 12; the multiple placement grooves significantly increase the competitiveness of the users during the game process when placing the marbles 4, thereby increasing the fun and making the game highly appealing;Both users must maintain the balance of the first placement section 1 while successively placing the marbles 4 onto the placement units 24. The user who first knocks the first placement section 1 off balance, thereby completely tipping over the marble toy in the shape of a flying saucer, is determined to be the loser, while the user who does not knock the marble toy in the shape of a flying saucer off balance is considered the winner.

[0029] In this embodiment, it further comprises a storage bag 13, wherein the storage bag 13 has a receiving chamber 29 for receiving marbles 4 and a receiving opening 30 connected to the receiving chamber 29, wherein the storage bag 13 is arranged within the first receiving chamber 5; the receiving opening 30 further comprises a drawstring 31 and an adjustable clasp 14, wherein the adjustable clasp 14 serves to adjust the drawstring 31 so that the drawstring 31 opens or closes the receiving opening 30; wherein it further comprises a first limiting section 15, wherein the first limiting section 15 surrounds a limiting chamber 35, wherein the first support section 2 and the first placement section 1 are arranged within the limiting chamber 35.The structure described above allows the user, after finishing the game, to open the receiving opening 30 of the storage bag 13 by actuating the adjusting clasp 14, in order to place the marbles 4 into the receiving chamber 29. Once all the marbles have been placed in the storage chamber, the opening can be closed by adjusting the drawstring 31 via the adjusting clasp 14, thus securing the marbles in the storage bag 13 and preventing them from being lost.

[0030] In this embodiment, the first support section 2 further comprises a first support platform 25, wherein the first support platform is connected to the first support base 28; wherein the first placement platform 8 is connected to the first support platform 25. The first support section 2 further comprises a projecting counterweight section 34, wherein the counterweight section 34 comprises several counterweight elements 33, the several counterweight elements being arranged around the underside of the first support platform; wherein the first placement platform 8 is an annular first placement platform 8 and the first placement projection 9 is an arcuate placement projection, wherein the width of the first placement projection 9 gradually decreases from bottom to top, and wherein the first placement projection 9 is located in the center of the first placement platform 8;In this embodiment, the first support section 2 is detachably connected to the first placement section 2 via a snap lock 18; the first placement section 1 is provided with a protruding first locking block 16, the first support section 2 is provided with a first locking slot 17, the first locking slot 17 having a first recess 19, the first locking block 16 being able to be screwed through the first recess 19 into the first locking slot 17 to combine the first support section 2 and the first placement section 1 into a unit; the structure described above allows the user, when placing the marble toy in the shape of a flying saucer on the play platform, to use the first support base 27 contained in the first support section 2, so that the first curved support base 28 rests on the play platform;The weight compensation section 34 contained in the first support section 2 is provided with several weight compensation parts 33, the several weight compensation parts being arranged around the first support platform 25, so that the marble toy in the shape of a flying saucer can be placed on the play platform; furthermore, the fact that the first support projection 26 is a curved projection means that when the marbles 4 are placed on the placement unit 24 of the first placement section 1, the first curved support projection 26 makes it easier for the marble toy in the shape of a flying saucer to tip over, thereby increasing the feeling of excitement for both users when playing.

[0031] In this embodiment, the first support section 2 is detachably connected to the first placement section 2 via a snap lock 18; the first placement section 1 is provided with a protruding first locking block 16, the first support section 2 is provided with a first locking slot 17, the first locking slot 17 having a first recess 19, the first locking block 16 being able to be screwed into the first locking slot 17 through the first recess 19 to combine the first support section 2 and the first placement section 1 into a unit; the number of first locking blocks 16 is multiple, the multiple first locking blocks 16 being arranged along the circumference of the first placement section 1;wherein the number of first recesses 19 is multiple, wherein the multiple first recesses 19 are arranged along the circumference of the first support section 2, wherein the multiple first recesses 19 correspond one-to-one with the plurality of multiple locking blocks 16; By the above-mentioned structure, the user can, by rotating the first placement section 1 and the first support section 2, slide the first locking block 16, which is provided on the first placement section 1, out of the first recess 19, which is provided on the first support section 2, thereby opening the snap lock 18, which is provided on the first connection section 3, and furthermore allowing the marble toy to be separated into a detachable connection.;

[0032] In this embodiment, the first placement section 1 has a first positioning pin 20, wherein the first support section 2 has a second positioning pin 21, wherein when the first positioning pin 20 is aligned with the second positioning pin 21, the first locking block 16 is aligned with the first recess 19; wherein the first placement section 1 has a first positioning groove 22, wherein the first support section 2 has a second positioning groove 23, wherein when the first positioning groove 22 is aligned with the second positioning groove 23, the first locking block 16 is aligned with the first recess 19; wherein the first positioning pin 20 is arranged above the first positioning groove 22, the second positioning pin 21 is arranged below the second positioning groove 23; wherein the number of first positioning pins 20 is multiple.the number of first positioning grooves 22 is multiple, the number of second positioning pins 21 is multiple, and the number of second positioning grooves 23 is multiple, wherein the multiple first positioning pins 20 and the multiple first positioning grooves 22 are arranged along the perimeter of the first placement section 1; wherein the multiple second positioning pins 21 and the multiple second positioning grooves 23 are arranged along the perimeter of the first support section 2; wherein the first positioning groove 22 is a first triangular positioning groove and the second positioning groove 23 is a second triangular positioning groove. The above-mentioned structure allows the user, when opening the marble toy in the shape of a flying saucer, to align the first positioning pin 20 contained in the first placement section 1 with the second positioning pin 21 contained in the first support section 2.align; when aligning the first positioning pin 20 with the second positioning pin 21, the first placement section 1 and the first support section 2 are in the separated state; when aligning the first positioning pin 20 with the second positioning pin 21, the first positioning groove 22 and the second positioning groove 23 are also in the aligned state; when aligning the first positioning groove 22 with the second positioning groove 23, the first locking block 16 is unscrewed from the first recess 19; separation of the first placement section 1 from the first support section 2, removal of the storage bag 13 from the first receiving cavity 5, adjustment of the tension of the pull cord 31 by means of the adjusting lock 14, opening of the receiving opening 30, removal of the marbles 4 from the receiving space 29,The user places the 4 marbles taken out of the machine one after the other onto the placement units 24 of the first placement section 1 to play. The user who completely tips over the first placement section 1 is determined as the loser, and the user who does not tip over the first placement section 1 is determined as the winner. The user can separate the first placement section 1 and the first support section 2 to remove the storage bag 13 from the first storage compartment 5. By adjusting the clasp 14 to regulate the tension of the drawstring 31, the storage opening 30 can be opened to remove the marbles 4 from the storage compartment 29. Users can then place the 4 marbles taken out of the machine one after the other onto the placement unit 24 of the first placement section 1 to play. The user who first completely tips over the first placement section 1 is determined as the winner.The user who is determined to be the loser is the winner, while the user who does not disrupt the first placement section (section 1) is considered the winner.

[0033] In this embodiment, the first boundary section 15 is a flexible first boundary section 15, wherein the first boundary section 15 is a first boundary rope body; wherein the first placement section 1 is a first placement section made of plastic and the second support section 2 is a second support section made of plastic. The above-mentioned structure allows the user to place the marble toy in the shape of a flying saucer within the boundary space 35 defined by the first boundary section 15, preventing the marbles 4 located in the multiple placement units 24 from rolling around and being lost when the first placement section 1 tips over; when storing the first boundary section 15, the user can easily fold and stow it due to its flexible nature.

[0034] As shown above, one or more embodiments are provided in connection with specific content, without implying that the specific implementation of the present utility model is limited exclusively to this description; any process, structure, etc., which is similar or alike to the present utility model, or which incorporates a series of technical derivations or substitutions from the conceptual premise of the present utility model, should be considered to be within the scope of protection of the present utility model.

Claims

[1] Marble toy in the shape of a flying saucer, characterized by , that it includes: a first placement section (1) wherein several placement units (24) are provided on the first placement section (1) for placing marbles (4); a first support section, wherein the first support section is connected to a first connecting section and the first support section serves to support the first placement section (1). [2] Marble toy in the shape of a flying saucer according to claim 1, characterized by , that the first support section (2) is connected to the first placement section (1). [3] Marble toy in the shape of a flying saucer according to claim 1, characterized by , that it further comprises a first receiving space (5) formed between the first support section (2) and the first placement section (1), the first receiving space (5) being used to receive marbles (4). [4] Marble toy in the shape of a flying saucer according to claim 1, characterized by that the multiple placement units (24) are arranged along the perimeter of the first placement section (1); wherein the multiple placement units (24) further comprise a first placement groove (6) and a second placement groove (7), the first placement groove (6) and the second placement groove (7) being arranged along the perimeter of the first placement section (1); wherein the number of first placement grooves (6) is multiple and the number of second placement grooves (7) is multiple, wherein the multiple first placement grooves (6) are arranged successively from the center of the first placement section (1) to the edge of the first placement section (1); wherein the multiple second placement grooves (7) are arranged successively from the center of the first placement section (1) to the edge of the first placement section (1). [5] Marble toy in the shape of a flying saucer according to claim 4, characterized by, that the first placement section (1) further comprises a first placement platform (8) and a first placement projection (9), wherein the first placement projection (9) is connected to the first placement platform (8), the first placement groove (6) and the second placement groove (7) being arranged on the top side of the first placement platform (8); wherein the first placement projection (9) has a third placement groove (10) and a fourth placement groove (11), the third placement groove (10) and the fourth placement groove (11) being arranged along the perimeter of the side wall of the first placement projection (9); wherein the number of third placement grooves (10) is multiple and the number of fourth placement grooves (11) is multiple, the multiple third placement grooves (10) being arranged successively from the top side of the first placement projection (9) to the bottom side of the first placement projection (9);wherein the multiple fourth placement grooves (11) are arranged successively from the top of the first placement projection (9) to the bottom of the first placement projection (9). [6] Marble toy in the shape of a flying saucer according to claim 5, characterized by , that it further comprises a fifth placement slot (12), wherein the fifth placement slot (12) is located at the top of the first placement margin (9). [7] Marble toy in the shape of a flying saucer according to claim 3, characterized bythat it further comprises a storage bag (13), wherein the storage bag (13) has a receiving chamber (29) for receiving marbles (4) and a receiving opening (30) connected to the receiving chamber (29), wherein the storage bag (13) is arranged within the first receiving chamber (5); wherein the receiving opening (30) further comprises a pull cord (31) and an adjustable clasp (14), wherein the adjustable clasp (14) serves to adjust the pull cord (31) so that the pull cord (31) opens or closes the receiving opening (30); wherein it further comprises a first boundary section (15), wherein the first boundary section (15) surrounds a boundary chamber (35), wherein the first support section (2) and the first placement section (1) are arranged within the boundary chamber (35). [8] Marble toy in the shape of a flying saucer according to claim 1, characterized by, that the first support section (2) is connected to the first placement section (1) by a snap lock (18). [9] Marble toy in the shape of a flying saucer according to claim 1, characterized by, that the first placement section (1) is provided with a protruding first locking block (16), the first support section (2) is provided with a first locking slot (17), the first locking slot (17) having a first recess (19), wherein the first locking block (16) can be screwed through the first recess (19) into the first locking slot (17) to combine the first support section (2) and the first placement section (1) into a unit; wherein the number of first locking blocks (16) is multiple, the multiple first locking blocks (16) being arranged along the circumference of the first placement section (1);wherein the number of first recesses (19) is several, wherein the several first recesses (19) are arranged along the circumference of the first support section (2), wherein the several first recesses (19) correspond one-to-one with the plurality of several locking blocks (16). [10] Marble toy in the shape of a flying saucer according to claim 9, characterized bythat the first placement section (1) has a first positioning pin (20), wherein the first support section (2) has a second positioning pin (21), wherein when the first positioning pin (20) is aligned with the second positioning pin (21), the first locking block (16) is aligned with the first recess (19); the first placement section (1) has a first positioning groove (22), wherein the first support section (2) has a second positioning groove (23), wherein when the first positioning groove (22) is aligned with the second positioning groove (23), the first locking block (16) is aligned with the first recess (19); wherein the first positioning pin (20) is arranged above the first positioning groove (22), and the second positioning pin (21) is arranged below the second positioning groove (23);wherein the number of first positioning pins (20) is multiple, the number of first positioning grooves (22) is multiple, the number of second positioning pins (21) is multiple, and the number of second positioning grooves (23) is multiple, wherein the multiple first positioning pins (20) and the multiple first positioning grooves (22) are arranged along the perimeter of the first placement section (1); wherein the multiple second positioning pins (21) and the multiple second positioning grooves (23) are arranged along the perimeter of the first support section (2).