Fastening device for fixing modularized lead chamber

Abstract

The utility model relates to the field of fastening devices, in particular to a fastening device for fixing a modularized lead chamber, which comprises a circular truncated cone. A cavity mechanism is placed in the center of the upper end of the circular truncated cone, and a fastening mechanism used for fastening the cavity mechanism is installed at the upper end of the circular truncated cone. A vertical block is placed at the upper end of a circular truncated cone, so that a limiting block is matched with a first groove body, a second U-shaped block is placed at the upper end of an upper lead block, so that a second mounting block is matched with a second groove body, a mounting ring is placed at the upper ends of six bearing columns, and at the moment, the lower portion of the side wall of a stud can be attached to the inner wall of a second through hole; and finally, the nut is installed on the outer wall of the upper end of the stud in a threaded mode, the installation ring can be positioned, and therefore positioning of the fastening mechanism is achieved, fastening of the fifth layer body is achieved, and fastening and fixing of the whole cavity mechanism are achieved.

Description

Technical Field

[0001] The utility model belongs to the field of fastening devices, in particular to a fastening device for fixing a modular lead chamber. Background Art

[0002] Modular lead rooms are increasingly used in nuclear medicine, radiological laboratories and radiotherapy environments. Lead rooms can effectively isolate radioactive materials and protect personnel from radiation damage. However, in order to use these devices stably and for a long time in various complex working environments, the requirements for fastening devices are becoming more and more stringent.

[0003] At present, the existing fastening devices mostly use traditional mechanical connection methods, such as bolts, nuts, etc. Although they can meet basic fastening requirements, they are prone to corrosion, wear or loosening during long-term use. In addition, the modular lead chamber is usually divided into multiple layers, and the fixing effect using fasteners such as bolts is not good. When fixing the modular lead chamber, the fastening device in the prior art is difficult to quickly and stably fasten the lead chamber, and further improvement is needed.

[0004] Therefore, a fastening device for fixing a modular lead chamber is proposed, which can fasten and fix the lead chamber quickly and stably when the modular lead chamber is fixed. Utility Model Content

[0005] In order to overcome the problem that it is difficult for a fastening device to fasten a modular lead chamber quickly and stably, a fastening device for fixing a modular lead chamber is proposed.

[0006] The technical solution of the utility model is: a fastening device for fixing a modular lead chamber comprises a round table; a chamber mechanism is placed at the center of the upper end of the round table, and a fastening mechanism for fastening the chamber mechanism is installed at the upper end of the round table;

[0007] The chamber mechanism comprises a first layer, a second layer, a third layer, a fourth layer, a fifth layer and a protective body; the second layer is placed on the upper end of the first layer, the third layer is placed on the upper end of the second layer, the fourth layer is placed on the upper end of the third layer, a protective body is placed between the third layer and the fourth layer, and the fifth layer is placed on the upper end of the fourth layer;

[0008] The protective body includes an upper lead block, a lower lead block, a fifth trough body, a sixth trough body and a wire outlet hole; the side wall of the third layer body is provided with a lower lead block, the side wall of the fourth layer body is provided with an upper lead block, the lower end of the upper lead block is provided with a fifth trough body, the upper end of the lower lead block is provided with a sixth trough body, the upper lead block and the lower lead block are adapted to each other, and the fifth trough body and the sixth trough body together form a cylindrical structure.

[0009] Preferably, when in use, the first layer is placed on the upper end of the cone, the second layer is placed on the upper end of the first layer, the third layer is placed on the upper end of the second layer, the protective body is placed on the upper end of the third layer, the fourth layer is placed on the upper ends of the third layer and the protective body, the fifth layer is placed on the upper end of the fourth layer, and then the chamber mechanism is positioned using a fastening mechanism, thereby solving the problem in the prior art that it is difficult to quickly and stably fasten the modular lead chamber when the fastening device is fixed to the chamber.

[0010] Preferably, the fastening mechanism includes a first U-shaped block, a vertical block, a first slot body, a second slot body, a first mounting block, a second mounting block, a first fixing column, a second U-shaped block, a bearing column and a stud; a limiting groove is provided at the upper end of the truncated table, the inner wall of the limiting groove is matched with the lower end side wall of the first layer body, and six groups of circular and evenly distributed positioning members are arranged at the upper end of the truncated table, each positioning member includes two limiting blocks parallel to each other, the limiting blocks are fixedly connected to the upper end of the truncated table, a first U-shaped block is placed at the lower end of the lower lead block, both ends of the first U-shaped block are fixedly connected to the vertical blocks, a first slot body is provided at the lower end of the vertical block, the first slot body and the limiting block are matched, and the two vertical blocks are close to each other A second slot body is provided on the upper part of one end, and the upper end of the second slot body passes through the upper end of the vertical block, and a second U-shaped block is placed on the upper end of the upper lead block, and a first fixing column is fixedly connected to the center of the upper end of the second U-shaped block, and the upper end of the first fixing column is fixedly connected to the first mounting block, and the second mounting blocks are fixedly connected to both ends of the first mounting block, and the second mounting block is adapted to the second slot body, and a bearing column is fixedly connected to the center of the upper end of the first mounting block, and a stud is fixedly connected to the upper end of the bearing column, and a mounting ring is placed together on the upper ends of the six bearing columns, and evenly distributed second through holes are penetrated through the upper and lower ends of the mounting ring, and the inner wall of the second through hole fits with the side wall of the stud, and a nut is threadedly installed on the outer wall of the upper end of the stud.

[0011] Preferably, the first layer includes a first lead block, a first groove and a first cylindrical groove; four first lead blocks are placed on the inner wall of the limiting groove, and the four first lead blocks are fitted together in pairs to form a disc shape. A first groove is opened at the upper end of the first lead block, and the four first grooves form a cylindrical groove structure.

[0012] Preferably, the second layer includes a second lead block, a second groove and a first protrusion; the second lead block is placed on the upper end of the first lead block, and the second lead blocks are divided into four, and the four second lead blocks together form a disc shape, and a second groove is opened on the upper end of the second lead block, and the four second grooves form a cylindrical groove body structure, and the first protrusion is fixed to the lower end of the second lead block, and the cylindrical structure formed by the four first protrusions is matched with the cylindrical groove body structure formed by the four first grooves.

[0013] Preferably, the third layer includes a third lead block, a third groove, a placement groove and a second protrusion; the third lead block is placed on the upper end of the second lead block, a third groove is opened on the upper end of the third lead block, the third groove runs through the side wall of the third lead block, a placement groove is opened in the center of the upper end of the third lead block, the four placement grooves together form a cylindrical groove body structure, the lower end of the third lead block is fixed with a second protrusion, the four second protrusions together form a cylindrical groove body structure and are adapted to the cylindrical groove body structure formed by the four second grooves.

[0014] Preferably, the fourth layer includes a fourth lead block, a fourth groove, a first through hole, a third groove body and a fourth groove body; six fourth lead blocks are placed on the upper end of the third lead block, a fourth groove is opened on the upper end of the fourth lead block, a first through hole is opened through the center of the upper end of the fourth lead block, and the six first through holes together form a cylindrical groove body, the side wall of the fourth lead block is opened through the third groove body and the fourth groove body, a combination structure formed by a group of upper lead blocks and lower lead blocks is placed on the inner wall of the groove body formed by two adjacent third groove bodies, and another combination structure formed by a group of upper lead blocks and lower lead blocks is placed on the inner wall of the groove body formed by two adjacent fourth groove bodies and two adjacent third grooves.

[0015] Preferably, the fifth layer includes a fifth lead block, a fifth groove, and a third protrusion; the fifth lead block is placed on the upper end of the fourth lead block, and the three fifth lead blocks are fitted together in pairs to form a disc shape. A fifth groove is provided on the upper end of the fifth lead block, and the three fifth grooves together form a cylindrical groove body structure. The third protrusion is fixed to the lower end of the fifth lead block, and the cylindrical structure formed by the three third protrusions is compatible with the cylindrical groove body structure formed by the six first through holes.

[0016] Preferably, the upper lead block and the lower lead block fit together to form a cylinder, and the fifth slot body and the sixth slot body together form a cylindrical structure and are interconnected with the interior of the placement slot.

[0017] The beneficial effects of the utility model are as follows: the first layer body is placed on the upper end of the truncated cone, the second layer body is placed on the upper end of the first layer body, the third layer body is placed on the upper end of the second layer body, the protective body is placed on the upper end of the third layer body, the fourth layer body is placed on the upper ends of the third layer body and the protective body, the fifth layer body is placed on the upper end of the fourth layer body, and then the vertical block is placed on the upper end of the truncated cone so that the limit block and the first slot body are matched, the second U-shaped block is placed on the upper end of the upper lead block so that the second mounting block and the second slot body are matched, and then the mounting ring is placed on the upper ends of the six bearing columns, at this time, the lower part of the side wall of the stud will fit with the inner wall of the second through hole, and finally the nut is threadedly installed on the outer wall of the upper end of the stud, so that the mounting ring can be positioned, thereby realizing the positioning of the fastening mechanism, realizing the fastening of the fifth layer, and thus realizing the fastening and fixation of the entire chamber mechanism, which solves the problem that the fastening device in the prior art is difficult to quickly and stably fasten and fix the lead chamber when fixing the modular lead chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Shown is a three-dimensional structural schematic diagram of a fastening device for fixing a modular lead chamber of the utility model;

[0019] Figure 2 The three-dimensional structure schematic diagram of the truncated table of the fastening device for fixing the modular lead chamber of the utility model is shown;

[0020] Figure 3 Shown is a three-dimensional structural schematic diagram of the chamber mechanism of the fastening device for fixing the modular lead chamber of the utility model;

[0021] Figure 4 The schematic diagram of the three-dimensional disassembled structure of the fastening mechanism of the fastening device for fixing the modular lead chamber of the utility model is shown;

[0022] Figure 5 Shown is a three-dimensional split structure schematic diagram of the mounting ring and nut of the fastening device for fixing the modular lead chamber of the utility model;

[0023] Figure 6 What is shown is a first three-dimensional split structure schematic diagram of the first layer body, the second layer body and the third layer body of the fastening device for fixing the modular lead chamber of the utility model;

[0024] Figure 7 The second three-dimensional split structure schematic diagram of the first layer, the second layer and the third layer of the fastening device for fixing the modular lead chamber of the utility model is shown;

[0025] Figure 8 Shown is a schematic diagram of the three-dimensional structure of the fourth layer of the fastening device for fixing the modular lead chamber of the utility model;

[0026] Fig. 9 Shown is a schematic diagram of the three-dimensional split structure of the fourth layer and the fifth layer of the fastening device for fixing the modular lead chamber of the utility model;

[0027] Fig.10 The bottom perspective structural diagram of the fifth lead block of the fastening device for fixing the modular lead chamber of the utility model is shown;

[0028] Fig.11 Shown is a schematic diagram of a three-dimensional split structure of a fourth lead block, an upper lead block and a lower lead block of a fastening device for fixing a modular lead chamber of the utility model;

[0029] Fig.12 Shown is a three-dimensional split structure schematic diagram of the upper lead block and the lower lead block of the fastening device for fixing the modular lead chamber of the utility model;

[0030] Fig.13 Shown is a schematic diagram of the three-dimensional split structure of the fourth lead block and the upper lead block of the fastening device for fixing the modular lead chamber of the utility model.

[0031] The marks in the attached drawings are: 1, truncated cone; 2, fastening mechanism; 21, first U-shaped block; 22, vertical block; 23, first slot body; 24, second slot body; 25, first mounting block; 26, second mounting block; 27, first fixing column; 28, second U-shaped block; 29, bearing column; 210, stud; 3, chamber mechanism; 31, first layer body; 311, first lead block; 312, first groove; 313, first cylindrical groove; 32, second layer body; 321, second lead block; 322, second groove; 323, first protrusion; 33, third layer body; 331, third lead Block; 332, third groove; 333, placement groove; 334, second protrusion; 34, fourth layer; 341, fourth lead block; 342, fourth groove; 343, first through hole; 344, third slot body; 345, fourth slot body; 35, fifth layer; 351, fifth lead block; 352, fifth groove; 353, third protrusion; 36, protective body; 361, upper lead block; 362, lower lead block; 363, fifth slot body; 364, sixth slot body; 365, wire outlet hole; 4, limit groove; 5, limit block; 6, mounting ring; 7, second through hole; 8, nut. DETAILED DESCRIPTION

[0032] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0033] See also Figure 1-Figure 13 The utility model provides an embodiment: a fastening device for fixing a modular lead chamber, comprising a truncated table 1; a chamber mechanism 3 is placed at the center of the upper end of the truncated table 1, and a fastening mechanism 2 for fastening the chamber mechanism 3 is installed at the upper end of the truncated table 1;

[0034] The chamber mechanism 3 includes a first layer 31, a second layer 32, a third layer 33, a fourth layer 34, a fifth layer 35 and a protective body 36; the second layer 32 is placed on the upper end of the first layer 31, the third layer 33 is placed on the upper end of the second layer 32, the fourth layer 34 is placed on the upper end of the third layer 33, the protective body 36 is placed between the third layer 33 and the fourth layer 34, and the fifth layer 35 is placed on the upper end of the fourth layer 34;

[0035] The protective body 36 includes an upper lead block 361, a lower lead block 362, a fifth slot 363, a sixth slot 364 and a wire outlet hole 365; the side wall of the third layer 33 is provided with the lower lead block 362, the side wall of the fourth layer 34 is provided with the upper lead block 361, the lower end of the upper lead block 361 is provided with the fifth slot 363, the upper end of the lower lead block 362 is provided with the sixth slot 364, the upper lead block 361 and the lower lead block 362 are adapted to each other, and the fifth slot 363 and the sixth slot 364 together form a cylindrical structure;

[0036] The fastening mechanism 2 includes a first U-shaped block 21, a vertical block 22, a first slot body 23, a second slot body 24, a first mounting block 25, a second mounting block 26, a first fixing column 27, a second U-shaped block 28, a bearing column 29 and a stud 210; a limiting groove 4 is provided at the upper end of the truncated table 1, and the inner wall of the limiting groove 4 is adapted to the lower end side wall of the first layer 31; six groups of circular and evenly distributed positioning members are arranged at the upper end of the truncated table 1, and each positioning member includes two limiting blocks 5 parallel to each other, and the limiting blocks 5 are fixedly connected to the upper end of the truncated table 1; a first U-shaped block 21 is placed at the lower end of the lower lead block 362, and both ends of the first U-shaped block 21 are fixedly connected to the vertical blocks 22; a first trough body 23 is provided at the lower end of the vertical block 22, and the first trough body 23 is adapted to the limiting block 5, and the upper end of the two vertical blocks 22 close to each other is provided with a first trough body 23. A second slot body 24 is provided in the part, the upper end of the second slot body 24 passes through the upper end of the vertical block 22, a second U-shaped block 28 is placed on the upper end of the upper lead block 361, a first fixing column 27 is fixedly connected to the center of the upper end of the second U-shaped block 28, the upper end of the first fixing column 27 is fixedly connected to the first mounting block 25, both ends of the first mounting block 25 are fixedly connected to the second mounting blocks 26, the second mounting block 26 is adapted to the second slot body 24, a bearing column 29 is fixedly connected to the center of the upper end of the first mounting block 25, a stud 210 is fixedly connected to the upper end of the bearing column 29, a mounting ring 6 is placed together at the upper ends of the six bearing columns 29, and the upper ends of the mounting ring 6 are penetrated by uniformly distributed second through holes 7, the inner wall of the second through hole 7 is in contact with the side wall of the stud 210, and a nut 8 is threadedly installed on the outer wall of the upper end of the stud 210.

[0037] When in use, the first layer 31 is placed on the upper end of the truncated table 1, the second layer 32 is placed on the upper end of the first layer 31, the third layer 33 is placed on the upper end of the second layer 32, the protective body 36 is placed on the upper end of the third layer 33, the fourth layer 34 is placed on the upper ends of the third layer 33 and the protective body 36, the fifth layer 35 is placed on the upper end of the fourth layer 34, and then the stand 22 is placed on the upper end of the truncated table 1, so that the limit block 5 and the first slot 23 are adapted, and the The second U-shaped block 28 is placed on the upper end of the upper lead block 361, so that the second mounting block 26 and the second slot body 24 are adapted to each other, and then the mounting ring 6 is placed on the upper end of the six bearing columns 29. At this time, the lower part of the side wall of the stud 210 will fit with the inner wall of the second through hole 7, and finally the nut 8 is threadedly installed on the upper outer wall of the stud 210, which can position the mounting ring 6, thereby realizing the positioning of the fastening mechanism 2, realizing the fastening of the fifth layer 35, and realizing the fastening and fixation of the entire chamber mechanism 3.

[0038] See also Figure 3 , Figure 6 and Figure 7 In this embodiment, the first layer 31 includes a first lead block 311, a first groove 312 and a first cylindrical groove 313; four first lead blocks 311 are placed on the inner wall of the limiting groove 4, and the four first lead blocks 311 are fitted together in pairs to form a disc shape. The upper end of the first lead block 311 is provided with a first groove 312, and the four first grooves 312 form a cylindrical groove structure. The four first lead blocks 311 can be quickly spliced ​​together to form a disc shape, and then placed on the inner wall of the limiting groove 4.

[0039] See also Figure 3 , Figure 6 and Figure 7 In the present embodiment, the second layer 32 includes a second lead block 321, a second groove 322 and a first protrusion 323; the second lead block 321 is placed on the upper end of the first lead block 311, and the second lead block 321 is divided into four, and the four second lead blocks 321 together form a disc shape, and a second groove 322 is opened on the upper end of the second lead block 321, and the four second grooves 322 form a cylindrical groove structure, and the lower end of the second lead block 321 is fixedly connected with a first protrusion 323, and the cylindrical structure formed by the four first protrusions 323 and the cylindrical groove structure formed by the four first grooves 312 are adapted to each other. The second lead block 321 is placed on the upper end of the first lead block 311, so that the cylindrical structure formed by the four first protrusions 323 and the cylindrical groove structure formed by the four first grooves 312 are adapted to each other, and the four second lead blocks 321 can be placed quickly and stably.

[0040] See also Figure 3 , Figure 6 and Figure 7In the present embodiment, the third layer 33 includes a third lead block 331, a third groove 332, a placement groove 333 and a second protrusion 334; the third lead block 331 is placed on the upper end of the second lead block 321, and a third groove 332 is provided on the upper end of the third lead block 331, and the third groove 332 runs through the side wall of the third lead block 331, and a placement groove 333 is provided in the center of the upper end of the third lead block 331, and the four placement grooves 333 together form a cylindrical groove structure, and a second protrusion 334 is fixed to the lower end of the third lead block 331, and the four second protrusions 334 together form a cylindrical groove structure and are adapted to form a cylindrical groove structure with the four second grooves 322, and the cylindrical groove formed by the four placement grooves 333 can store instruments.

[0041] See also Figure 1 , Figure 3 and Figure 8 In this embodiment, the fourth layer 34 includes a fourth lead block 341, a fourth groove 342, a first through hole 343, a third groove body 344 and a fourth groove body 345; six fourth lead blocks 341 are placed on the upper end of the third lead block 331, a fourth groove 342 is opened on the upper end of the fourth lead block 341, a first through hole 343 is opened through the center of the upper end of the fourth lead block 341, and the six first through holes 343 together form a cylindrical groove body, the side wall of the fourth lead block 341 is opened through the third groove body 344 and the fourth groove body 345, and a group of upper lead blocks 341 are placed on the inner wall of the groove body formed by two adjacent third groove bodies 344 61 and the lower lead block 362 are formed, and the inner wall of the groove body formed by two adjacent fourth grooves 345 and two adjacent third grooves 332 is placed with another group of combined structure formed by the upper lead block 361 and the lower lead block 362. The upper lead block 361 and the lower lead block 362 are combined and placed in the groove body formed by two adjacent third grooves 344, and another upper lead block 361 and the lower lead block 362 are combined and placed in the groove body formed by two adjacent fourth grooves 345 and two adjacent second grooves 322, so that the integrated structure formed by the upper lead block 361 and the lower lead block 362 can be stably placed.

[0042] See also Figure 1 , Figure 3 and Fig.10In the present embodiment, the fifth layer 35 includes a fifth lead block 351, a fifth groove 352, and a third protrusion 353; the fifth lead block 351 is placed on the upper end of the fourth lead block 341, and the three fifth lead blocks 351 are fitted together to form a disc shape. A fifth groove 352 is provided on the upper end of the fifth lead block 351, and the three fifth grooves 352 together form a cylindrical groove structure. The third protrusion 353 is fixed to the lower end of the fifth lead block 351, and the cylindrical structure formed by the three third protrusions 353 is compatible with the cylindrical groove structure formed by the six first through holes 343. The fifth lead block 351 is placed on the upper end of the fourth lead block 341, so that the cylindrical structure formed by the three third protrusions 353 is compatible with the cylindrical groove structure formed by the six first through holes 343, which is conducive to the quick and stable placement of the fifth lead block 351.

[0043] See also Figure 1-Figure 13 In this embodiment, the upper lead block 361 and the lower lead block 362 are fitted together to form a cylinder, and the fifth slot body 363 and the sixth slot body 364 together form a cylindrical structure and are interconnected with the interior of the placement slot 333, which is convenient for storing the instrument.

[0044] Working principle: First, four first lead blocks 311 are spliced ​​together to form a disc shape, and then placed on the inner wall of the limiting groove 4;

[0045] Next, the second lead block 321 is placed on the upper end of the first lead block 311, so that the cylindrical structure formed by the four first protrusions 323 and the cylindrical groove structure formed by the four first grooves 312 are adapted to each other, so that the four second lead blocks 321 can be placed quickly and stably;

[0046] Then, four third lead blocks 331 are assembled into a disc shape and placed on the upper end of the second lead block 321, so that the cylindrical shape formed by the four second protrusions 334 fits with the cylindrical groove body formed by the four second grooves 322;

[0047] The lower end of the upper lead block 361 is placed on the inner wall of the third groove 332, six fourth lead blocks 341 are assembled to form a cylindrical shape, and the lower end of the fourth lead block 341 is placed on the upper end of the third lead block 331, so that the upper end outer wall of the lower lead block 362 at the upper end of the upper lead block 361 in the third groove 332 is in contact with the inner walls of two adjacent fourth grooves 345, and another set of upper lead blocks 361 and lower lead blocks 362 are placed on the inner walls of two third grooves 344, so that the protective body 36 can be stably placed;

[0048] The instrument to be stored in the device is cylindrical in the middle, and six cylindrical output ends are fixedly connected to the side wall of the cylinder;

[0049] The instrument can be placed inside the cylindrical tank body formed by the four placement slots 333, and the six cylindrical output ends of the instrument can be placed inside the cylindrical tank body formed by the fifth tank body 363 and the sixth tank body 364;

[0050] Next, the fifth lead block 351 is placed on the upper end of the fourth lead block 341, so that the cylindrical structure formed by the three third protrusions 353 and the cylindrical groove structure formed by the six first through holes 343 are compatible, which is conducive to the rapid and stable placement of the fifth lead block 351;

[0051] Finally, place the vertical block 22 on the upper end of the truncated cone 1 so that the limit block 5 and the first groove body 23 are matched, place the second U-shaped block 28 on the upper end of the upper lead block 361 so that the second mounting block 26 and the second groove body 24 are matched, and then place the mounting ring 6 on the upper end of the six bearing columns 29. At this time, the lower part of the side wall of the stud 210 will fit with the inner wall of the second through hole 7, and finally, the nut 8 is threadedly installed on the upper end outer wall of the stud 210, which can position the mounting ring 6, thereby realizing the positioning of the fastening mechanism 2, realizing the fastening of the fifth layer 35, and realizing the fastening and fixation of the entire chamber mechanism 3.

[0052] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A fastening device for fixing a modular lead chamber, comprising a round table (1); characterized in that: A chamber mechanism (3) is placed at the center of the upper end of the truncated table (1), and a fastening mechanism (2) for fastening the chamber mechanism (3) is installed at the upper end of the truncated table (1); The chamber mechanism (3) comprises a first layer body (31), a second layer body (32), a third layer body (33), a fourth layer body (34), a fifth layer body (35) and a protective body (36); the second layer body (32) is placed on the upper end of the first layer body (31), the third layer body (33) is placed on the upper end of the second layer body (32), the fourth layer body (34) is placed on the upper end of the third layer body (33), the protective body (36) is placed between the third layer body (33) and the fourth layer body (34), and the fifth layer body (35) is placed on the upper end of the fourth layer body (34); The protective body (36) comprises an upper lead block (361), a lower lead block (362), a fifth slot body (363), a sixth slot body (364) and a wire outlet hole (365); the side wall of the third layer body (33) is provided with the lower lead block (362), the side wall of the fourth layer body (34) is provided with the upper lead block (361), the lower end of the upper lead block (361) is provided with the fifth slot body (363), the upper end of the lower lead block (362) is provided with the sixth slot body (364), the upper lead block (361) and the lower lead block (362) are matched, and the fifth slot body (363) and the sixth slot body (364) together form a cylindrical structure.

2. The fastening device for fixing a modular lead chamber according to claim 1, characterized in that: The fastening mechanism (2) comprises a first U-shaped block (21), a vertical block (22), a first slot body (23), a second slot body (24), a first mounting block (25), a second mounting block (26), a first fixing column (27), a second U-shaped block (28), a bearing column (29) and a stud (210); a limiting groove (4) is provided at the upper end of the round table (1), the inner wall of the limiting groove (4) is adapted to the lower end side wall of the first layer (31), and a fixing groove (4) is provided at the upper end of the round table (1). Six groups of circular evenly distributed positioning members are arranged, each positioning member comprises two mutually parallel limiting blocks (5), the limiting blocks (5) are fixedly connected to the upper end of the truncated table (1), a first U-shaped block (21) is placed at the lower end of the lower lead block (362), both ends of the first U-shaped block (21) are fixedly connected to the vertical blocks (22), a first groove body (23) is opened at the lower end of the vertical block (22), the first groove body (23) and the limiting blocks (5) are adapted to each other, and the two vertical blocks (22) are close to each other. A second slot body (24) is provided at the upper portion of one end, the upper end of the second slot body (24) passes through the upper end of the upright block (22), a second U-shaped block (28) is placed at the upper end of the upper lead block (361), a first fixing column (27) is fixedly connected to the center of the upper end of the second U-shaped block (28), the upper end of the first fixing column (27) is fixedly connected to the first mounting block (25), both ends of the first mounting block (25) are fixedly connected to the second mounting blocks (26), and the second mounting blocks (26) are fixedly connected to the second slot body. The first mounting block (25) is adapted to be matched with a body (24), a bearing column (29) is fixedly connected to the center of the upper end of the first mounting block (25), a stud (210) is fixedly connected to the upper end of the bearing column (29), a mounting ring (6) is placed on the upper ends of the six bearing columns (29), and evenly distributed second through holes (7) are opened through the upper and lower ends of the mounting ring (6), the inner wall of the second through hole (7) is in contact with the side wall of the stud (210), and a nut (8) is threadedly installed on the outer wall of the upper end of the stud (210).

3. The fastening device for fixing a modular lead chamber according to claim 1, characterized in that: The first layer (31) comprises a first lead block (311), a first groove (312) and a first cylindrical groove (313); four first lead blocks (311) are placed on the inner wall of the limiting groove (4); the four first lead blocks (311) are fitted together in pairs to form a disc shape; the first groove (312) is formed at the upper end of the first lead block (311); the four first grooves (312) form a cylindrical groove structure.

4. The fastening device for fixing a modular lead chamber according to claim 1, characterized in that: The second layer (32) comprises a second lead block (321), a second groove (322) and a first protrusion (323); the second lead block (321) is placed on the upper end of the first lead block (311); the second lead blocks (321) are divided into four, and the four second lead blocks (321) together form a disc shape; the second lead block (321) is provided with a second groove (322) on the upper end, and the four second grooves (322) form a cylindrical groove structure; the first protrusion (323) is fixedly connected to the lower end of the second lead block (321), and the cylindrical structure formed by the four first protrusions (323) is compatible with the cylindrical groove structure formed by the four first grooves (312).

5. The fastening device for fixing a modular lead chamber according to claim 1, characterized in that: The third layer (33) comprises a third lead block (331), a third groove (332), a placement groove (333) and a second protrusion (334); the third lead block (331) is placed on the upper end of the second lead block (321); a third groove (332) is provided on the upper end of the third lead block (331); the third groove (332) runs through the side wall of the third lead block (331); a placement groove (333) is provided in the center of the upper end of the third lead block (331); the four placement grooves (333) together form a cylindrical groove structure; the lower end of the third lead block (331) is fixedly connected to a second protrusion (334); the four second protrusions (334) together form a cylindrical groove structure and are compatible with the cylindrical groove structure formed by the four second grooves (322).

6. The fastening device for fixing a modular lead chamber according to claim 1, characterized in that: The fourth layer (34) includes a fourth lead block (341), a fourth groove (342), a first through hole (343), a third groove body (344) and a fourth groove body (345); six fourth lead blocks (341) are placed on the upper end of the third lead block (331); a fourth groove (342) is provided on the upper end of the fourth lead block (341); a first through hole (343) is provided through the center of the upper end of the fourth lead block (341); the six first through holes (343) together form a cylindrical groove body The side wall of the fourth lead block (341) is penetrated by a third slot body (344) and a fourth slot body (345); the inner wall of the slot body formed by two adjacent third slot bodies (344) is provided with a combined structure formed by a group of upper lead blocks (361) and lower lead blocks (362); the inner wall of the slot body formed by two adjacent fourth slot bodies (345) and two adjacent third grooves (332) is provided with a combined structure formed by another group of upper lead blocks (361) and lower lead blocks (362).

7. The fastening device for fixing a modular lead chamber according to claim 1, characterized in that: The fifth layer (35) comprises a fifth lead block (351), a fifth groove (352), and a third protrusion (353); the fifth lead block (351) is placed on the upper end of the fourth lead block (341); the three fifth lead blocks (351) are fitted together to form a disc shape; the fifth groove (352) is provided on the upper end of the fifth lead block (351); the three fifth grooves (352) together form a cylindrical groove structure; the third protrusion (353) is fixedly connected to the lower end of the fifth lead block (351); the cylindrical structure formed by the three third protrusions (353) is compatible with the cylindrical groove structure formed by the six first through holes (343).

8. The fastening device for fixing a modular lead chamber according to claim 1, characterized in that: The upper lead block (361) and the lower lead block (362) are attached to each other to form a cylindrical shape, and the fifth slot body (363) and the sixth slot body (364) together form a cylindrical structure that is interconnected with the interior of the placement slot (333).

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