CN111140583A - High-strength stainless steel fastener - Google Patents
High-strength stainless steel fastener Download PDFInfo
- Publication number
- CN111140583A CN111140583A CN201911388264.8A CN201911388264A CN111140583A CN 111140583 A CN111140583 A CN 111140583A CN 201911388264 A CN201911388264 A CN 201911388264A CN 111140583 A CN111140583 A CN 111140583A
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- China
- Prior art keywords
- fan
- groove
- stainless steel
- block
- shaped
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 27
- 239000010935 stainless steel Substances 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/02—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws divided longitudinally
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/004—Sealing; Insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention discloses a high-strength stainless steel fastener, which is applied to the field of stainless steel fasteners and solves the technical problem of unstable strength of parts of the conventional fastener, and the technical scheme is characterized by comprising an upper cap body and a rod body and being characterized in that: it is equipped with a pair of fan-shaped fluting on the lateral wall of the body to emit, and is a pair of fan-shaped fluting sets up relatively, it still is equipped with the montant slot on the lateral wall of the body to emit, montant slot and wherein fan-shaped grooved one side intercommunication in one side, the middle part of emitting the body still is equipped with the groove of falling, the groove of falling sets up with the montant slot is perpendicular, the top of the body of rod is equipped with and falls the spacing inserted block of groove grafting complex, it has fan-shaped sealed piece, and is a pair of to slide to connect in the fan-shaped fluting the fan-shaped sealed piece below that lies in montant slot place one side in the fan-shaped sealed piece still is fixed with spacing filling up piece, the tip of emitting the body still vertically.
Description
Technical Field
The invention relates to the field of stainless steel part manufacturing, in particular to a high-strength stainless steel fastener.
Background
The use of the fastener aims at realizing the connection relationship establishment between a plurality of independent parts through the screw and the nut, and the effect of forming a relatively stable whole body between the plurality of independent parts is met. Because of its general degree is higher, the structure and the composition of the stainless steel fastener on the market at present are relatively stable, also can both embody reliable connection performance.
Chinese patent publication No. CN110094403A discloses a high-strength stainless steel fastener, which comprises a nut, a screw and a nut, and is characterized in that: nut and nut are located respectively the top and the below of screw rod, the screw rod bottom uses the axis to have seted up as central symmetry and has accomodate the groove, two accomodate the equal fixed mounting in inslot have reset spring, two the stopper has all been placed to reset spring's one end, two the equal fixed mounting in one side of stopper has the locating piece, the top of nut inside wall uses the axis to seted up the constant head tank as central symmetry, and two the constant head tank respectively with two locating piece looks adaptation.
Although the connecting strength of the fastening piece is improved to a certain extent, in actual use, the strength of the fastening piece is improved mainly through the elastic connection mode, and the unstable hidden danger of the elastic component in the fastening piece can occur along with the long-time use of the fastening piece, so that the strength reliability of the whole stainless steel fastening piece is influenced.
Disclosure of Invention
The invention aims to provide a high-strength stainless steel fastener, which has the advantage of being beneficial to improving the connection strength of the fastener.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a high strength stainless steel fastener, includes and emits the body and the body of rod, characterized by: it is equipped with a pair of fan-shaped fluting on the lateral wall of the body to emit, and is a pair of fan-shaped fluting sets up relatively, it still is equipped with the montant slot on the lateral wall of the body to emit, montant slot and wherein fan-shaped grooved one side intercommunication in one side, the middle part of emitting the body still is equipped with the groove of falling, the groove of falling sets up with the montant slot is perpendicular, the top of the body of rod is equipped with and falls the spacing inserted block of groove grafting complex, the interpolation of fan-shaped fluting slides has fan-shaped sealed piece, and is a pair of lie in the fan-shaped sealed piece below of montant slot place one side in the fan-shaped sealed piece still is fixed with spacing filling up piece, the tip of emitting the body still vertically is equipped with the locking groove, the.
Furthermore, the one end that the body of rod is connected with spacing inserted block is equipped with the boss.
Furthermore, one end of the locating groove connected with the vertical rod slot is provided with an embedding groove matched with the reinforcing block.
Furthermore, a clamping groove is formed in the reinforcing block, and a clamping block matched with the clamping groove is arranged on the groove wall of the embedding groove.
Furthermore, the surface of the clamping block is prismatic.
Furthermore, one side of the sector sealing block is provided with a matching convex block, and the side wall of the other sector sealing block is provided with a matching groove matched with the matching convex block.
Furthermore, the edge of the outer wall of the fan-shaped sealing block is provided with a chamfer.
Furthermore, the one end that spacing benefit piece and body of rod were contradicted is equipped with arc support portion.
Furthermore, a sealing shell is sleeved on the cap body.
In conclusion, the invention has the following beneficial effects:
1. through the separated assembly and fixation between the cap body and the rod body, the stress bearing strength of the whole stainless steel fastener is improved, and the conditions that the stress is excessively concentrated to cause the breakage of the fastener and the like in the existing integrated structural component are reduced;
2. the detachable connection mode between the rod body and the cap body can meet the requirement that in the actual use process, the cap body can be replaced immediately once being damaged, and the whole fastener can be replaced conveniently;
3. the fixture block and the reinforcing block are arranged, so that the stability of the conversion of the torsion force to the screwing force can be improved under the action of an external force on the whole rod body, and the reliability of the whole fastener is guaranteed.
Drawings
FIG. 1 is a sectional view for showing the internal structure of a stainless steel fastener according to an embodiment;
FIG. 2 is a sectional view showing the internal structure of the cap body in the embodiment;
FIG. 3 is a schematic view showing a structure of a part of a stick body according to the embodiment;
FIG. 4 is a schematic view for showing a partial structure of a sector seal block in the embodiment;
FIG. 5 is a schematic view for showing the connection relationship between the sector seal block and the arc holder in the embodiment;
FIG. 6 is a schematic view for showing a sealing case in the embodiment;
fig. 7 is an enlarged view of a in fig. 2.
Reference numerals: 1. a cap body; 2. a rod body; 3. slotting in a sector manner; 4. a vertical rod slot; 5. a position falling groove; 6. limiting the inserting block; 7. a sector sealing block; 8. a limiting and supplementing block; 9. a locking groove; 10. a locking lever; 11. a reinforcing block; 12. caulking grooves; 13. a card slot; 14. a clamping block; 15. a mating groove; 16. fitting the projection; 17. an arc-shaped support part; 18. and (5) sealing the shell.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a high-strength stainless steel fastener is shown in figures 1 and 2 and comprises an upper cap body 1 and a rod body 2, wherein the upper cap body 1 and the rod body 2 are separately formed, so that the requirements of independent forming processing and processing technologies of all parts are met, and the reliable connection strength of the stainless steel fastener after final combination is improved.
As shown in fig. 2 and 3, a pair of fan-shaped slots 3 are formed in the side wall of the cap body 1, the pair of fan-shaped slots 3 are oppositely arranged in the middle of the cap body 1, a vertical rod slot 4 is further formed in the side wall of the cap body 1, the vertical rod slot 4 is communicated with one side of the fan-shaped slot 3 on one side, a falling slot 5 is further formed in the middle of the cap body 1, the falling slot 5 is perpendicular to the vertical rod slot 4, a limiting insert 6 which is in inserting fit with the falling slot 5 is arranged at the top end of the rod body 2, when an operator assembles the rod body 2 to the cap body 1, the limiting insert 6 and the rod body 2 are firstly inserted along the vertical rod slot 4, when the rod body 2 is in contact with the slot wall of the vertical rod slot 4, the operator rotates the rod body 2 to enable the limiting insert 6 to horizontally rotate in the fan-shaped slots 3, and when the limiting insert 6 is horizontally rotated by 90 degrees, the alignment of the limiting insert 6, meanwhile, the falling position of the limiting insertion block 6 is vertically downwards inserted, so that the initial positioning of the rod body 2 and the cap body 1 is completed.
In order to improve the reliability of being connected between the spacing inserted block 6 and the body of rod 2, be equipped with the boss 11 in the body of rod 2 and the one end that spacing inserted block 6 is connected, the boss 11 can strengthen the firm degree of being connected between spacing inserted block 6 and the body of rod 2. Meanwhile, considering that the process of rotating and correcting the position of the limiting insert block 6 is taken first, the embedding groove 12 is formed in one end, connected with the vertical rod slot 4, of the position falling groove 5, the requirement that the reinforcing block 11 moves along with the position falling of the limiting insert block 6 can be met, the embedding with the embedding groove 12 is achieved, and the reliability of connection between the limiting insert block 6 and the position falling groove 5 is further improved.
Still be equipped with draw-in groove 13 on the boss 11, be equipped with on the cell wall of caulking groove 12 with draw-in groove 13 complex fixture block 14 (as shown in fig. 7), at the in-process that boss 11 and caulking groove 12 fall the position, fixture block 14 can realize with the synchronous joint of draw-in groove 13, can further improve follow-up use in-process, the atress between spacing inserted block 6 and the groove 5 that falls under the external force application of force state and the stability of force feedback. The surfaces of the clamping blocks 14 are arranged in a prismatic shape, so that the reliability of the clamping blocks 14 and the clamping grooves 13 in a stress state can be guaranteed, and the possibility of breakage and layering between the clamping blocks 14 and the clamping grooves 13 caused by long-time stress is reduced.
As shown in fig. 2 and 4, after the limiting insert block 6 is matched with the falling groove 5, the movement of the limiting insert block 6 in the vertical direction needs to be limited, a fan-shaped sealing block 7 is inserted and slid in the fan-shaped slot 3, and a limiting supplement block 8 (as shown in fig. 5) is further fixed below the fan-shaped sealing block 7 positioned on one side of the vertical rod slot 4 in the pair of fan-shaped sealing blocks 7, namely, in the process of inserting the fan-shaped insert block into the fan-shaped slot 3, the state that the limiting insert block 6 is limited in the falling groove 5 in an abutting mode is achieved. Simultaneously, the gomphosis of 4 parts of montant slot can effectively be realized to spacing mend piece 8, and the one end that spacing mend piece 8 and the body of rod 2 were contradicted still is equipped with arc support portion 17 (as shown in fig. 5), helps reducing the body of rod 2 part and exposes subsequent structure corrosion that probably brought etc. also ensured the complete degree of whole stainless steel fastener structure, also can carry out spacing support to body of rod 2 part to a certain extent, realizes the stability of state in-process such as follow-up application of force locking.
Because the unable stability that realizes sector seal piece 7 of the in-process that sector seal piece 7 was inserted is spacing, be equipped with cooperation lug 16 in one side of sector seal piece 7, lateral wall at another sector seal piece 7 be equipped with cooperation lug 16 complex cooperation recess 15, can assist operating personnel to realize quick location to sector seal piece 7's installation, and can promote the unified work of a pair of sector seal piece 7 under the stress state through cooperation lug 16 with cooperation recess 15's cooperation relation, reduce the dislocation between the sector seal piece 7 that appears and slide etc, ensure the reliable and stable of application of force process.
As shown in fig. 1 and 4, a locking groove 9 is vertically arranged at the end of the cap body 1, the locking groove 9 penetrates through the fan-shaped sealing block 7, a locking rod 10 is inserted into the locking groove 9, and the final limiting fixation of the fan-shaped sealing block 7 can be realized through the matching of the locking rod 10 and the locking groove 9, so that the stable matching between the limiting insertion block 6 part and the falling groove 5 is ensured.
After the equipment that has accomplished this stainless steel fastener is fixed, in order to further improve the structural integrity degree and the product self reliability of this fastener, the outer wall border of fan-shaped sealed piece 7 is equipped with the chamfer, the operating personnel of being convenient for carries out actual welded fastening, the chamfer part has then made things convenient for the inlay card of miniature welding rod, do benefit to the final shaping work after the welding is accomplished, it still overlaps and is equipped with sealed shell 18 (as shown in figure 6) to emit on body 1, can be to the further protection of the fastener after the installation is accomplished, reduce the external environment probably to the erosion of fastener, ensure the reliable intensity of whole stainless steel fastener.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a high strength stainless steel fastener, includes and emits body (1) and body of rod (2), characterized by: the side wall of the cap body (1) is provided with a pair of fan-shaped grooves (3), the fan-shaped grooves (3) are arranged oppositely, the side wall of the cap body (1) is further provided with a vertical rod slot (4), the vertical rod slot (4) is communicated with one side of the fan-shaped groove (3) on one side, the middle of the cap body (1) is further provided with a falling groove (5), the falling groove (5) is perpendicular to the vertical rod slot (4), the top end of the rod body (2) is provided with a limiting insert block (6) which is in plug-in fit with the falling groove (5), the fan-shaped sealing block (7) is inserted and slid in the fan-shaped groove (3), a pair of limiting complementary blocks (8) are further fixed below the fan-shaped sealing block (7) on one side of the vertical rod slot (4) in the fan-shaped sealing block (7), the end of the cap body (1) is further vertically provided with a locking groove (9), and the locking groove (9) runs through the fan-, and a locking rod (10) is inserted into the locking groove (9).
2. A high strength stainless steel fastener as claimed in claim 1, wherein: and a reinforcing block (11) is arranged at one end of the rod body (2) connected with the limiting insert block (6).
3. A high strength stainless steel fastener as claimed in claim 2, wherein: one end of the position falling groove (5) connected with the vertical rod slot (4) is provided with an embedded groove (12) matched with the reinforcing block (11).
4. A high strength stainless steel fastener according to claim 3, wherein: the reinforcing block (11) is provided with a clamping groove (13), and the wall of the embedding groove (12) is provided with a clamping block (14) matched with the clamping groove (13).
5. The high strength stainless steel fastener of claim 4, wherein: the surface of the clamping block (14) is prismatic.
6. A high strength stainless steel fastener as claimed in claim 1, wherein: and one side of the sector sealing block (7) is provided with a matching convex block (16), and the side wall of the sector sealing block (7) is provided with a matching groove (15) matched with the matching convex block (16).
7. A high strength stainless steel fastener as claimed in claim 1, wherein: and a chamfer is arranged at the edge of the outer wall of the fan-shaped sealing block (7).
8. A high strength stainless steel fastener as claimed in claim 1, wherein: and an arc-shaped supporting part (17) is arranged at one end of the limiting patch (8) which is abutted against the rod body (2).
9. A high strength stainless steel fastener as claimed in claim 1, wherein: the cap body (1) is sleeved with a sealing shell (18).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911388264.8A CN111140583B (en) | 2019-12-30 | 2019-12-30 | High-strength stainless steel fastener |
Applications Claiming Priority (1)
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CN201911388264.8A CN111140583B (en) | 2019-12-30 | 2019-12-30 | High-strength stainless steel fastener |
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CN111140583A true CN111140583A (en) | 2020-05-12 |
CN111140583B CN111140583B (en) | 2021-08-10 |
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CN201911388264.8A Active CN111140583B (en) | 2019-12-30 | 2019-12-30 | High-strength stainless steel fastener |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113418005A (en) * | 2021-06-10 | 2021-09-21 | 湖南崇德科技股份有限公司 | High-speed shaft sealing structure |
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JP2003194029A (en) * | 2001-12-27 | 2003-07-09 | Tadanori Shioya | Joining fixture |
US6688828B1 (en) * | 2000-12-01 | 2004-02-10 | Arizona Board Of Regents | Self-torquing fasteners |
CN202937588U (en) * | 2012-11-08 | 2013-05-15 | 达霆精密工业有限公司 | Combined screw locking structure |
US20160010695A1 (en) * | 2013-03-08 | 2016-01-14 | Agustawestland Limited | A device for holding a bearing member relative to a fixed body |
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CN207728684U (en) * | 2017-08-23 | 2018-08-14 | 天津捷通京能动力设备有限公司 | A kind of bolt protection cup and its fan blade of application |
CN208252564U (en) * | 2018-02-01 | 2018-12-18 | 瑞安市聚邦汽车零部件有限公司 | A kind of Novel anti-loosing bolt |
CN208565209U (en) * | 2018-06-20 | 2019-03-01 | 海盐龙腾高强度紧固件有限公司 | A kind of dismountable hollow bolt |
CN208764083U (en) * | 2018-06-20 | 2019-04-19 | 海盐龙腾高强度紧固件有限公司 | A kind of dismountable square head bolt |
CN110319099A (en) * | 2019-07-31 | 2019-10-11 | 嘉兴同辉汽配有限公司 | A kind of automobile ignition coil contactor bolt |
CN110425214A (en) * | 2019-08-23 | 2019-11-08 | 海盐尚科五金有限公司 | A kind of anti-theft bolt with stealingproof sleeve |
US20190381636A1 (en) * | 2017-03-09 | 2019-12-19 | Concepts Et Innovations En Securite Magnetique | Safety screw assembly and operating key thereof |
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2019
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CN2338534Y (en) * | 1998-06-26 | 1999-09-15 | 季贵恩 | Combination type theft-proof screw bolt |
US6688828B1 (en) * | 2000-12-01 | 2004-02-10 | Arizona Board Of Regents | Self-torquing fasteners |
JP2003194029A (en) * | 2001-12-27 | 2003-07-09 | Tadanori Shioya | Joining fixture |
CN202937588U (en) * | 2012-11-08 | 2013-05-15 | 达霆精密工业有限公司 | Combined screw locking structure |
US20160010695A1 (en) * | 2013-03-08 | 2016-01-14 | Agustawestland Limited | A device for holding a bearing member relative to a fixed body |
CN205078579U (en) * | 2015-10-29 | 2016-03-09 | 江苏中核利柏特股份有限公司 | One -way screw and special screwdriver |
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CN208764083U (en) * | 2018-06-20 | 2019-04-19 | 海盐龙腾高强度紧固件有限公司 | A kind of dismountable square head bolt |
CN110319099A (en) * | 2019-07-31 | 2019-10-11 | 嘉兴同辉汽配有限公司 | A kind of automobile ignition coil contactor bolt |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113418005A (en) * | 2021-06-10 | 2021-09-21 | 湖南崇德科技股份有限公司 | High-speed shaft sealing structure |
CN113418005B (en) * | 2021-06-10 | 2023-12-22 | 湖南崇德科技股份有限公司 | High-speed shaft sealing structure |
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CN111140583B (en) | 2021-08-10 |
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Denomination of invention: A high-strength stainless steel fastener Granted publication date: 20210810 Pledgee: Agricultural Bank of China Limited Dongtai City Branch Pledgor: Dongtai Exhibition New Stainless Steel Fasteners Manufacturing Co.,Ltd. Registration number: Y2024980012136 |