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CN214837688U - Bolt convenient to splice for mechanical fastening - Google Patents

Bolt convenient to splice for mechanical fastening Download PDF

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Publication number
CN214837688U
CN214837688U CN202120949806.0U CN202120949806U CN214837688U CN 214837688 U CN214837688 U CN 214837688U CN 202120949806 U CN202120949806 U CN 202120949806U CN 214837688 U CN214837688 U CN 214837688U
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CN
China
Prior art keywords
sliding
groove
trapezoidal
block
fixedly connected
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.)
Expired - Fee Related
Application number
CN202120949806.0U
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Chinese (zh)
Inventor
黄波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu University
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Jiangsu University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu University filed Critical Jiangsu University
Priority to CN202120949806.0U priority Critical patent/CN214837688U/en
Application granted granted Critical
Publication of CN214837688U publication Critical patent/CN214837688U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a bolt convenient for splicing for mechanical fastening, which comprises a polygonal plate, the section of the top surface of a cylinder body is conical, the cylinder body is arranged under a circular ring, two L-shaped grooves are symmetrically arranged on the bottom surface of a screw rod, the L-shaped grooves are inverted, the L-shaped grooves are arranged right above a sliding rod, the bottom surface of the screw rod is provided with trapezoidal grooves, the trapezoidal grooves are in the shape of right trapezoid, trapezoidal blocks are arranged in the cylinder body, a limiting ring is arranged in the sliding grooves, the limiting ring is fixedly connected with the trapezoidal blocks, the bottom surface of the limiting ring is attached to the top surface of a winding cylinder, a fourth spring is arranged in the sliding grooves, the fourth spring is a compression spring, the elastic force of the third spring is smaller than that of the second spring, the cylinder body is made of alloy steel material, the wall thickness of a sliding plate is 4mm-6mm, the direct splicing of the screw rods can be realized, the splicing process is simple, the splicing is firm, the disassembly is convenient, and the stability among a plurality of screw rods is increased, the use requirement is met.

Description

Bolt convenient to splice for mechanical fastening
Technical Field
The utility model relates to a mechanical configuration technical field, concretely relates to bolt of concatenation of being convenient for is used in mechanical fastening.
Background
The bolt is the fastener of compriseing head and screw rod two parts, need cooperate through threaded connection with the nut, a part that is used for two fastening connections to have the through-hole, but in the use of current bolt, often can meet the length mismatch condition of bolt and through-hole, therefore, often need look for suitable size to match, the work efficiency is reduced, traditional concatenation bolt, the structure is complicated, the concatenation is inconvenient, the insecure separation that causes between the screw rod of concatenation, there is the potential safety hazard, the user demand can not be satisfied.
SUMMERY OF THE UTILITY MODEL
In order to solve the existing problem, the utility model provides a bolt convenient for splicing for mechanical fastening.
The utility model discloses a realize through following technical scheme:
a bolt convenient for splicing for mechanical fastening comprises a polygonal plate, wherein the cross section of the polygonal plate is in a regular polygon shape, a plurality of screws are arranged on the bottom surface of the polygonal plate from bottom to top, an annular groove is formed in the bottom surface of each screw, a circular ring is arranged in the annular groove in a fitting and sliding manner, a plurality of first springs are fixedly connected to the top surface of the circular ring, the top ends of the first springs are fixedly connected with the screws, a barrel is arranged between every two adjacent screws, the bottom end of each barrel is fixedly connected with the top surface of the adjacent screw, the top surface of the top screw is fixedly connected with the bottom surface of the polygonal plate, a square groove is formed in the top surface of the screw, a square ring is arranged in the square groove in a fitting and sliding manner, a sliding plate is arranged under the square ring, and a plurality of second springs are fixedly connected to the bottom surface of the sliding plate, the bottom end of the second spring is fixedly connected with a screw rod, the second spring is arranged in a square groove, the second spring is a compression spring, a dovetail groove is formed in the top surface of the sliding plate, two dovetail blocks are arranged in the dovetail groove in a fit sliding mode, the top surface of each dovetail block is fixedly connected with a sliding rod, the top end of each sliding rod penetrates through a square ring, the top end of the side wall of the top end of each sliding rod is fixedly connected with a triangular block, the triangular block is in a right-angled triangle shape, the triangular block is arranged in a barrel, the section of the top surface of the barrel is in a conical shape, the barrel is arranged under the circular ring, the bottom surface of the screw rod is symmetrically provided with two L-shaped grooves, the L-shaped grooves are inverted and arranged right above the sliding rods, the bottom surface of the screw rod is provided with trapezoidal grooves, the trapezoidal grooves are in right-angled trapezoids shapes, the trapezoidal blocks are arranged in the barrel and are arranged right below the trapezoidal grooves and matched with the trapezoidal grooves, the bottom end of the trapezoidal block penetrates through a square ring to penetrate into the dovetail groove to be fixedly connected with the sliding plate, the bottom surface of the trapezoidal block is provided with a sliding groove, a T-shaped threaded rod is arranged in the sliding groove in a fitting sliding mode, the cross section of a cross rod of the T-shaped threaded rod is square, the top surface of the threaded rod is provided with a through hole, the through hole is arranged between and communicated with the square groove and the trapezoidal groove, a sliding block is arranged in the trapezoidal groove in a fitting sliding mode, the bottom surface of the sliding plate is provided with a first through hole, the bottom end of a vertical rod of the T-shaped threaded rod penetrates through the first through hole and the through hole in the trapezoidal groove in sequence to be fixedly connected with the top surface of the sliding block, a threaded barrel is sleeved on the T-shaped threaded rod in a threaded mode, a winding barrel is sleeved on the outer wall of the threaded barrel, a limiting ring is arranged in the sliding groove and fixedly connected with the trapezoidal block, the bottom surface of the limiting ring is fitted with the top surface of the winding barrel, two thin ropes are fixedly connected with the side wall of the winding barrel, the other end of the thin rope penetrates through the trapezoidal block to penetrate into the dovetail groove to be fixedly connected with the side wall of the dovetail groove, the string is connected with the trapezoidal block in a sliding mode, two third springs are arranged in the dovetail groove and are arranged on two sides of the trapezoidal block, the third springs are arranged between the dovetail block and the trapezoidal block, the third springs are compression springs, fourth springs are arranged in the sliding grooves and are compression springs, and the elastic force of the third springs is smaller than that of the second springs.
Preferably, the cylinder is made of alloy steel materials.
Preferably, the wall thickness of the sliding plate is 4mm-6 mm.
Compared with the prior art, the beneficial effects of the utility model are that: this device simple structure, the function is various, and the practicality is strong, can realize the direct concatenation of screw rod through setting up ring, first spring, barrel, quad ring, slide, second spring, dovetail, slide bar, triangular block, trapezoidal piece, T shape threaded rod, slider, screw thread section of thick bamboo, spacing ring, third spring, string, bobbin and fourth spring, and the concatenation process is simple, and the concatenation is firm, and it is convenient to dismantle, increases the stability between a plurality of screw rods, satisfies the user demand.
Drawings
FIG. 1 is a block diagram of the present invention;
fig. 2 is a bottom view of the structure of the present invention;
FIG. 3 is an enlarged view of a portion of the structure of the present invention;
fig. 4 is an assembly schematic of the structure of the present invention.
In the figure: the device comprises a polygonal plate 1, a screw rod 2, a circular ring 3, a first spring 4, a barrel 5, a square ring 6, a sliding plate 7, a second spring 8, a dovetail block 9, a sliding rod 10, a triangular block 11, a trapezoidal block 12, a T-shaped threaded rod 13, a sliding block 14, a threaded cylinder 15, a limiting ring 16, a third spring 17, a thin rope 18, a winding cylinder 19, a fourth spring 20, an annular groove 2-1, a square groove 2-2, an L-shaped groove 2-3, a trapezoidal groove 2-4, a through hole 2-5, a dovetail groove 7-1, a first through hole 7-2 and a sliding groove 12-1.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in figures 1, 2, 3 and 4, the bolt for mechanical fastening and convenient splicing comprises a polygonal plate 1, wherein the sectional shape of the polygonal plate 1 is a regular polygon, a plurality of screws 2 are arranged on the bottom surface of the polygonal plate 1 from bottom to top, annular grooves 2-1 are formed in the bottom surfaces of the screws 2, circular rings 3 are arranged in the annular grooves 2-1 in a fitting and sliding manner, a plurality of first springs 4 are fixedly connected to the top surface of the circular rings 3, the top ends of the first springs 4 are fixedly connected with the screws 2, a cylinder body 5 is arranged between the adjacent screws 2, the bottom end of the cylinder body 5 is fixedly connected with the top surfaces of the adjacent screws 2, the top surface of the top screw 2 is fixedly connected with the bottom surface of the polygonal plate 1, a square groove 2-2 is formed in the top surface of the screw 2, a square groove 2-2 is not formed in the top surface of the screw 2 at the top end, a square ring 6 is arranged in the square groove 2-2 in a fitting manner, the square ring 6 is fixedly connected with the screw rod 2, a sliding plate 7 is arranged in the square groove 2-2 in a fitting sliding manner, the sliding plate 7 is arranged under the square ring 6, the bottom surface of the sliding plate 7 is fixedly connected with a plurality of second springs 8, the bottom ends of the second springs 8 are fixedly connected with the screw rod 2, the second springs 8 are arranged in the square groove 2-2, the second springs 8 are compression springs, the top surface of the sliding plate 7 is provided with a dovetail groove 7-1, two dovetail blocks 9 are arranged in the dovetail groove 7-1 in a fitting sliding manner, the top surface of each dovetail block 9 is fixedly connected with a sliding rod 10, the top end of each sliding rod 10 penetrates through the square ring 6, the top end of the side wall of the top end of each sliding rod 10 is fixedly connected with a triangular block 11, the triangular block 11 is in a right triangle shape, the triangular block 11 is arranged in the barrel 5, and the section of the top surface of the barrel 5 is in a conical shape, the barrel 5 is arranged under the circular ring 3, the bottom surface of the screw rod 2 is symmetrically provided with two L-shaped grooves 2-3, the L-shaped grooves 2-3 are inverted, the L-shaped grooves 2-3 are arranged over the sliding rod 10, the bottom surface of the screw rod 2 is provided with trapezoidal grooves 2-4, the trapezoidal grooves 2-4 are in a right trapezoid shape, a trapezoidal block 12 is arranged in the barrel 5, the trapezoidal block 12 is arranged under the trapezoidal grooves 2-4 and matched with the trapezoidal grooves, the bottom end of the trapezoidal block 12 penetrates through the square ring 6 to penetrate into the dovetail groove 7-1 and is fixedly connected with the sliding plate 7, the bottom surface of the trapezoidal block 12 is provided with a sliding groove 12-1, a T-shaped threaded rod 13 is arranged in the sliding groove 12-1 in a bonding and sliding mode, the cross section of the cross rod of the T-shaped threaded rod 13 is square, the top surface of the screw rod 2 is provided with a through hole 2-5, and the through hole 2-5 is arranged between the square groove 2-2 and the trapezoidal groove 2-4 and the through hole 2 The dovetail groove is communicated with the dovetail groove, a sliding block 14 is arranged in the dovetail groove 2-4 in a fit and sliding manner, a first through hole 7-2 is formed in the bottom surface of the sliding plate 7, the bottom end of a vertical rod of the T-shaped threaded rod 13 sequentially penetrates through the first through hole 7-2 and the through hole 2-5 to penetrate into the dovetail groove 2-4 to be fixedly connected with the top surface of the sliding block 14, a threaded cylinder 15 is sleeved on the T-shaped threaded rod 13 in a threaded manner, a winding cylinder 19 is sleeved on the outer wall of the threaded cylinder 15, a limiting ring 16 is arranged in the sliding groove 12-1, the limiting ring 16 is fixedly connected with the dovetail block 12, the bottom surface of the limiting ring 16 is attached to the top surface of the winding cylinder 19, two thin ropes 18 are fixedly connected to the side wall of the winding cylinder 19, the other end of each thin rope 18 penetrates through the dovetail block 12 to penetrate into the dovetail groove 7-1 to be fixedly connected with the side wall of the dovetail block 9, the thin ropes 18 are slidably connected with the dovetail block 12, two third springs 17 are arranged in the dovetail groove 7-1, the third spring 17 is arranged on two sides of the trapezoidal block 12, the third spring 17 is arranged between the dovetail block 9 and the trapezoidal block 12, the third spring 17 is a compression spring, a fourth spring 20 is arranged in the sliding groove 12-1, the fourth spring 20 is a compression spring, and the elastic force of the third spring 17 is smaller than that of the second spring 8.
The cylinder 5 is made of alloy steel materials.
The wall thickness of the sliding plate 7 is 4mm-6 mm.
The working principle is as follows: when the length of the bolt is not matched with that of the through hole, the length of the screw rod 2 needs to be increased to meet the use requirement by splicing the screw rod 2, when the screw rod 2 is spliced, the screw rod 2 to be spliced is placed under the spliced screw rod 2, then the screw rod 2 is moved, the screw rod 2 drives the barrel 5 to move, the barrel 5 gradually moves to be attached to the bottom surface of the top ring 3 and then continuously moves, the barrel 5 pushes the ring 3 to move to extrude the first spring 4, the screw rod 2 drives the second spring 8 to move, the second spring 8 drives the sliding plate 7 to move, the sliding plate 7 drives the trapezoidal block 12 to move, the trapezoidal block 12 cannot be ensured to be exactly corresponding to the trapezoidal groove 2-4, namely the trapezoidal block 12 cannot be ensured to be inserted into the trapezoidal groove 2-4, the top surface of the trapezoidal block 12 cannot be inserted into the trapezoidal groove 2-4 after being attached to the bottom surface of the screw rod 2 at the top end, and the trapezoidal block 12 gradually moves into the square groove 2-2, the trapezoidal block 12 drives the sliding plate 7 to extrude the second spring 8 in a sliding mode, the sliding plate 7 drives the dovetail block 9 to move, the dovetail block 9 drives the sliding rod 10 to move, the sliding rod 10 drives the triangular block 11 to move, the screw rod 2 at the bottom end rotates while moving, the screw rod 2 drives the sliding plate 7 to rotate, the sliding plate 7 drives the trapezoidal block 12 to rotate, the trapezoidal block 12 rotates to gradually correspond to the trapezoidal groove 2-4, when the trapezoidal block 12 corresponds to the trapezoidal groove 2-4, the sliding rod 10 rotates to be right below the L-shaped groove 2-3, the second spring 8 pushes the sliding plate 7 to move, the sliding plate 7 drives the trapezoidal block 12 to gradually insert into the trapezoidal groove 2-4, when the trapezoidal block 12 is inserted into the trapezoidal groove 2-4 to the longest, the top surface of the trapezoidal block 12 is in contact with the bottom surface of the sliding block 14, the sliding plate 7 indirectly drives the sliding rod 10 to move, the sliding rod 10 drives the triangular block 11 to move, when the triangular block 11 moves to be attached to the bottom surface of the top end screw rod 2, the two triangular blocks 11 move in opposite directions, the triangular block 11 drives the sliding rod 10 to move, the sliding rod 10 drives the dovetail block 9 to move to extrude a third spring 17, the triangular block 11 is gradually inserted into the L-shaped groove 2-3, the third spring 17 indirectly drives the two triangular blocks 11 to move back and forth and clamp the L-shaped grooves 2-3, the surfaces of the two screw rods 2 are just contacted, splicing of the screw rods 2 is completed, splicing of the screw rods 2 is performed according to the operation, as shown in figure 4, finally, the screw rods are matched with nuts to be put into use, when the spliced screw rods 2 need to be disassembled, the spliced screw rods 2 are firstly taken down from equipment, then the screw rods 2 are taken down from the bottom end one by one, when the disassembly is needed, the sliding block 14 is pushed to move by being inserted into the trapezoidal grooves 2-4 of the bottom end screw rods 2 by a taper shape, the slider 14 drives the T-shaped threaded rod 13 to move, the T-shaped threaded rod 13 drives the threaded cylinder 15 to rotate, the threaded cylinder 15 drives the bobbin 19 to rotate, the bobbin 19 rotates to pull the string 18 to wind the string 18 on the bobbin 19, the string 18 pulls the dovetail block 9 to move, the dovetail block 9 indirectly drives the triangular block 11 to move in the L-shaped groove 2-3, when the slider 14 cannot be pushed to move continuously, the triangular block 11 just moves into the L-shaped groove 2-3 vertical groove, then the screw 2 at the bottom end is pulled, the screw 2 indirectly drives the triangular block 11 to slide out from the L-shaped groove 2-3, the screw 2 indirectly drives the trapezoidal block 12 to slide out from the trapezoidal groove 2-4, the screw 2 drives the cylinder 5 to slide out from the annular groove 2-1, so that the separation between the two screws 2 is realized, and then the disassembly of the screws 2 is carried out according to the operation, the setting of first spring 4, second spring 8, third spring 17 and fourth spring 20 play effectual reset effect, guarantee the device and normally work, and the setting of triangle-shaped piece 11 and trapezoidal piece 12 plays effectual spacing and guide effect.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. The utility model provides a bolt convenient to concatenation for mechanical fastening, includes polygonal plate (1), polygonal plate (1) cross sectional shape is regular polygon, its characterized in that: the bottom surface of the polygonal plate (1) is provided with a plurality of screws (2) from bottom to top, the bottom surface of each screw (2) is provided with an annular groove (2-1), each annular groove (2-1) is internally provided with a circular ring (3) in a fit and sliding manner, the top surface of each circular ring (3) is fixedly connected with a plurality of first springs (4), the top ends of the first springs (4) are fixedly connected with the screws (2), a barrel body (5) is arranged between every two adjacent screws (2), the bottom end of each barrel body (5) is fixedly connected with the top surface of the adjacent screw (2), the top surface of each top screw (2) is fixedly connected with the bottom surface of the polygonal plate (1), the top surface of each screw (2) is provided with a square groove (2-2), the top surface of the topmost screw (2) is not provided with a square groove (2-2), each square groove (2-2) is internally provided with a square ring (6) in a fit manner, and each square ring (6) is fixedly connected with each screw (2), a sliding plate (7) is arranged in the square groove (2-2) in a fitting sliding manner, the sliding plate (7) is arranged under the square ring (6), a plurality of second springs (8) are fixedly connected to the bottom surface of the sliding plate (7), the bottom ends of the second springs (8) are fixedly connected with the screw rod (2), the second springs (8) are arranged in the square groove (2-2), the second springs (8) are compression springs, a dovetail groove (7-1) is formed in the top surface of the sliding plate (7), two dovetail blocks (9) are arranged in the dovetail groove (7-1) in a fitting sliding manner, a sliding rod (10) is fixedly connected to the top surface of each dovetail block (9), the top end of each sliding rod (10) penetrates through the square ring (6), a triangular block (11) is fixedly connected to the top end of the side wall at the top end of each sliding rod (10), and the triangular block (11) is in a right-angled triangular shape, the triangular block (11) is arranged in the cylinder body (5), the section of the top surface of the cylinder body (5) is conical, the cylinder body (5) is arranged under the circular ring (3), two L-shaped grooves (2-3) are symmetrically formed in the bottom surface of the screw rod (2), the L-shaped grooves (2-3) are inverted, the L-shaped grooves (2-3) are arranged over the sliding rod (10), trapezoidal grooves (2-4) are formed in the bottom surface of the screw rod (2), the trapezoidal grooves (2-4) are in a right trapezoid shape, the trapezoidal block (12) is arranged in the cylinder body (5), the trapezoidal block (12) is arranged under the trapezoidal grooves (2-4) and matched with the trapezoidal grooves, the bottom end of the trapezoidal block (12) penetrates through the square ring (6) to be fixedly connected with the sliding plate (7) and penetrates through the dovetail groove (7-1), the bottom surface of the trapezoidal block (12) is provided with a sliding groove (12-1), the T-shaped threaded rod (13) is arranged in the sliding groove (12-1) in a laminating sliding manner, the cross section of a cross rod of the T-shaped threaded rod (13) is square, a through hole (2-5) is formed in the top surface of the threaded rod (2), the through hole (2-5) is arranged between the square groove (2-2) and the trapezoidal groove (2-4) and communicated with the square groove, a sliding block (14) is arranged in the trapezoidal groove (2-4) in a laminating sliding manner, a first through hole (7-2) is formed in the bottom surface of the sliding plate (7), the bottom end of a vertical rod of the T-shaped threaded rod (13) penetrates through the first through hole (7-2) and the through hole (2-5) in the trapezoidal groove (2-4) to be fixedly connected with the top surface of the sliding block (14), a threaded barrel (15) is sleeved on the T-shaped threaded rod (13), and a winding barrel (19) is arranged on the outer wall of the threaded barrel (15), a limiting ring (16) is arranged in the sliding groove (12-1), the limiting ring (16) is fixedly connected with the trapezoidal block (12), the bottom surface of the limiting ring (16) is attached to the top surface of the winding drum (19), two thin ropes (18) are fixedly connected to the side wall of the winding drum (19), the other ends of the thin ropes (18) penetrate through the trapezoidal block (12) and penetrate into the dovetail groove (7-1) to be fixedly connected with the side wall of the dovetail block (9), the thin ropes (18) are slidably connected with the trapezoidal block (12), two third springs (17) are arranged in the dovetail groove (7-1), the third springs (17) are arranged on two sides of the trapezoidal block (12), the third springs (17) are arranged between the dovetail block (9) and the trapezoidal block (12), the third springs (17) are compression springs, and fourth springs (20) are arranged in the sliding groove (12-1), the fourth spring (20) is a compression spring, and the elastic force of the third spring (17) is smaller than that of the second spring (8).
2. The bolt for mechanical fastening convenient for splicing according to claim 1, wherein: the cylinder body (5) is made of alloy steel materials.
3. The bolt for mechanical fastening convenient for splicing according to claim 1, wherein: the wall thickness of the sliding plate (7) is 4mm-6 mm.
CN202120949806.0U 2021-05-06 2021-05-06 Bolt convenient to splice for mechanical fastening Expired - Fee Related CN214837688U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120949806.0U CN214837688U (en) 2021-05-06 2021-05-06 Bolt convenient to splice for mechanical fastening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120949806.0U CN214837688U (en) 2021-05-06 2021-05-06 Bolt convenient to splice for mechanical fastening

Publications (1)

Publication Number Publication Date
CN214837688U true CN214837688U (en) 2021-11-23

Family

ID=78771404

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120949806.0U Expired - Fee Related CN214837688U (en) 2021-05-06 2021-05-06 Bolt convenient to splice for mechanical fastening

Country Status (1)

Country Link
CN (1) CN214837688U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114992213A (en) * 2022-07-15 2022-09-02 芜湖天泰航空部件制造有限公司 Locking formula bolt that splices that moves

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114992213A (en) * 2022-07-15 2022-09-02 芜湖天泰航空部件制造有限公司 Locking formula bolt that splices that moves
CN114992213B (en) * 2022-07-15 2023-10-27 芜湖天泰航空部件制造有限公司 Anti-loosening spliced bolt

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211123

CF01 Termination of patent right due to non-payment of annual fee