CN215596140U - Bolt fastener with locking structure for high-speed rail - Google Patents
Bolt fastener with locking structure for high-speed rail Download PDFInfo
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- CN215596140U CN215596140U CN202122360373.8U CN202122360373U CN215596140U CN 215596140 U CN215596140 U CN 215596140U CN 202122360373 U CN202122360373 U CN 202122360373U CN 215596140 U CN215596140 U CN 215596140U
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- connecting rod
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Abstract
The utility model discloses a bolt fastener with a locking structure for a high-speed rail, which comprises a bolt main body, wherein main threads are formed on the bolt main body, a fastening nut is connected with the bolt main body through threads, a locking opening is formed in the bolt main body, a locking leaf is arranged in the locking opening, one end of the bolt main body is connected with a linkage mechanism for unfolding the locking leaf, the linkage mechanism comprises a connecting rod, one end of the connecting rod is fixedly connected with a limiting disc, the other end of the connecting rod is fixedly connected with a stretching disc, auxiliary threads are formed on the bolt main body, the bolt main body is connected with a locking nut through the auxiliary threads through threads, and a through hole is formed in one side of the locking nut. The locking nut is rotated on the auxiliary thread, so that the locking nut drives the limiting disc to move, the connecting rod is stretched, the stretching disc enables the inclined connecting plate to be unfolded, namely, the locking leaf extends out of the locking opening, the fastening nut is limited to be separated from the bolt, and the structure is reasonable.
Description
Technical Field
The utility model relates to the technical field of bolt fasteners, in particular to a bolt fastener with a locking structure for a high-speed rail.
Background
The bolt is a mechanical part and is matched with a cylindrical threaded fastener of a nut. A fastener consisting of a head and a screw is matched with a nut and used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.
For the bolt fastener used on the high-speed rail, the high-speed rail is often in a swing state, the structural connection firmness is guaranteed by the bolt with high stability, but the existing bolt fastener is simple in structure, the nut falling phenomenon is easy to occur, and the internal structure of the high-speed rail is disconnected.
Disclosure of Invention
The utility model aims to: in order to solve the problems, a bolt fastener with a locking structure for high-speed rail is provided.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a bolt fastener for high-speed railway with locking structure, includes the bolt main part, main screw has been seted up in the bolt main part, bolt main part threaded connection has fastening nut, the locking mouth has been seted up in the bolt main part, be provided with the locking leaf piece in the locking mouth, bolt main part one end is connected with the interlock mechanism that is used for expanding the locking leaf piece.
Preferably, the linkage mechanism comprises a connecting rod, one end of the connecting rod is fixedly connected with a limiting disc, and the other end of the connecting rod is fixedly connected with a stretching disc.
Preferably, the bolt body is provided with an auxiliary thread, and the bolt body is connected with a locking nut through the auxiliary thread.
Preferably, a through hole is formed in one side of the locking nut, and the connecting rod penetrates through the through hole.
Preferably, the connecting rod is arranged in the bolt body, and the main thread and the auxiliary thread are respectively arranged at two ends of the bolt body.
Preferably, the connecting rod is equipped with solid fixed ring near the cover of drawing disc one end outside, gu fixed ring one side is through inclined connecting plate fixed connection locking leaf piece, gu fixed ring outside fixed connection is on the bolt main part inner wall.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. this application is through adopting locking leaf structure, utilizes the locking leaf to prevent that fastening nut on the bolt from droing, causes the incident, and locking leaf structure has the controllability, and when fastening nut connects, the shrink of locking leaf, when needs prevent that fastening nut from droing, and the locking leaf expandes, and it is spacing to utilize the locking leaf, avoids the structural separation.
2. This application utilizes lock nut to rotate on vice screw thread through adopting the lock nut structure for lock nut drives spacing dish and removes, and tensile connecting rod makes the tensile dish make the inclined connecting plate expand, and locking leaf stretches out from the locking opening promptly, and restriction fastening nut breaks away from the bolt, and the structure has the rationality.
Drawings
Fig. 1 is a schematic structural view showing an entirety of a bolt fastener provided according to an embodiment of the present invention;
FIG. 2 illustrates a schematic structural view at a lock nut provided in accordance with an embodiment of the present invention;
fig. 3 shows a schematic structural view of the interior of a bolt fastener provided according to an embodiment of the present invention.
Illustration of the drawings:
1. a bolt body; 2. a main thread; 3. fastening a nut; 4. a locking port; 5. a locking nut; 6. a limiting disc; 7. a secondary thread; 8. a through hole; 9. a connecting rod; 10. a fixing ring; 11. locking the sheet; 12. an inclined connecting plate; 13. and (4) stretching the disc.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the utility model provides a bolt fastener for high-speed railway with locking structure, includes bolt main part 1, has seted up main thread 2 on the bolt main part 1, and 1 threaded connection of bolt main part has fastening nut 3, has seted up locking mouthful 4 on the bolt main part 1, is provided with locking leaf piece 11 in the locking mouthful 4, and 1 one end of bolt main part is connected with the interlock mechanism that is used for expanding locking leaf piece 11. The linkage mechanism comprises a connecting rod 9, one end of the connecting rod 9 is fixedly connected with a limiting disc 6, and the other end of the connecting rod 9 is fixedly connected with a stretching disc 13. The bolt body 1 is provided with an auxiliary thread 7, and the bolt body 1 is in threaded connection with a locking nut 5 through the auxiliary thread 7. A through hole 8 is formed in one side of the locking nut 5, and a connecting rod 9 penetrates through the through hole 8. The connecting rod 9 is arranged in the bolt body 1, and the main thread 2 and the auxiliary thread 7 are respectively arranged at two ends of the bolt body 1. Connecting rod 9 is close to the one end outside cover of drawing disk 13 and is equipped with solid fixed ring 10, and solid fixed ring 10 one side is through inclined connecting plate 12 fixed connection locking leaf 11, gu fixed ring 10 outside fixed connection is on 1 inner wall of bolt main part.
Specifically, as shown in fig. 1, a bolt fastener for high-speed rail with locking structure, including bolt main body 1, main thread 2 has been seted up on bolt main body 1, bolt main body 1 threaded connection has fastening nut 3, locking mouth 4 has been seted up on bolt main body 1, be provided with locking leaf piece 11 in the locking mouth 4, bolt main body 1 one end is connected with the interlock mechanism that is used for expanding locking leaf piece 11, utilize interlock mechanism to make bolt fastener's locking structure can freely open and close, when needs are connected, control locking leaf piece 11 shrink, make things convenient for fastening nut 3 to be connected with bolt main body 1, accomplish connecting, control locking leaf piece 11 expandes, avoid fastening nut 3 to break away from bolt main body 1, the structure has the rationality.
Specifically, as shown in fig. 2, the linkage mechanism includes a connecting rod 9, one end of the connecting rod 9 is fixedly connected with a limiting disc 6, and the other end of the connecting rod 9 is fixedly connected with a stretching disc 13. The bolt body 1 is provided with an auxiliary thread 7, and the bolt body 1 is in threaded connection with a locking nut 5 through the auxiliary thread 7. Through hole 8 has been seted up to lock nut 5 one side, and connecting rod 9 runs through on through hole 8, utilizes lock nut 5 to rotate on vice screw thread 7 for lock nut 5 drives spacing dish 6 and removes, and tensile connecting rod 9 makes tensile dish 13 make the expansion of oblique connecting plate 12, and locking leaf piece 11 stretches out from locking mouth 4 promptly, and restriction fastening nut 3 breaks away from the bolt, and the structure has the rationality.
Specifically, as shown in fig. 3, the connecting rod 9 is disposed in the bolt body 1, and the main thread 2 and the sub-thread 7 are disposed at both ends of the bolt body 1, respectively. Connecting rod 9 is close to the one end outside cover of drawing disk 13 and is equipped with solid fixed ring 10, gu fixed ring 10 one side is through 12 fixed connection locking leafs 11 of oblique connecting plate, gu fixed ring 10 outside fixed connection is on 1 inner wall of bolt main part, utilize locking leafs 11 to prevent that fastening nut 3 on the bolt main part 1 from droing, cause the incident, and locking leafs 11 structure has the adjustability, when fastening nut 3 connects, locking leafs 11 shrink, when needs prevent that fastening nut 3 from droing, locking leafs 11 expand, it is spacing to utilize locking leafs 11, avoid structural separation.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a bolt fastener for high-speed railway with locking structure, includes bolt main part (1), its characterized in that, main thread (2) have been seted up on bolt main part (1), bolt main part (1) threaded connection has fastening nut (3), locking mouth (4) have been seted up on bolt main part (1), be provided with locking leaf piece (11) in locking mouth (4), bolt main part (1) one end is connected with the interlock mechanism that is used for expanding locking leaf piece (11).
2. The bolt fastener with the locking structure for the high-speed rail according to claim 1, wherein the linkage mechanism comprises a connecting rod (9), one end of the connecting rod (9) is fixedly connected with a limiting disc (6), and the other end of the connecting rod (9) is fixedly connected with a stretching disc (13).
3. The bolt fastener with the locking structure for the high-speed rail according to claim 2, wherein the bolt body (1) is provided with an auxiliary thread (7), and the bolt body (1) is in threaded connection with the locking nut (5) through the auxiliary thread (7).
4. The bolt fastener with the locking structure for the high-speed rail according to claim 3, wherein a through hole (8) is formed in one side of the locking nut (5), and the connecting rod (9) penetrates through the through hole (8).
5. The bolt fastener for high-speed rail with the locking structure according to claim 4, wherein the connecting rod (9) is arranged in the bolt main body (1), and the main thread (2) and the auxiliary thread (7) are respectively arranged at two ends of the bolt main body (1).
6. The bolt fastener with the locking structure for the high-speed rail according to claim 5, wherein a fixing ring (10) is sleeved on one end of the connecting rod (9) close to the stretching disk (13), one side of the fixing ring (10) is fixedly connected with the locking leaf (11) through an inclined connecting plate (12), and the outer side of the fixing ring (10) is fixedly connected to the inner wall of the bolt main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122360373.8U CN215596140U (en) | 2021-09-28 | 2021-09-28 | Bolt fastener with locking structure for high-speed rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122360373.8U CN215596140U (en) | 2021-09-28 | 2021-09-28 | Bolt fastener with locking structure for high-speed rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215596140U true CN215596140U (en) | 2022-01-21 |
Family
ID=79870210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122360373.8U Active CN215596140U (en) | 2021-09-28 | 2021-09-28 | Bolt fastener with locking structure for high-speed rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215596140U (en) |
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2021
- 2021-09-28 CN CN202122360373.8U patent/CN215596140U/en active Active
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