CN212131033U - Anti-drop loose's big bolt of axial locking - Google Patents
Anti-drop loose's big bolt of axial locking Download PDFInfo
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- CN212131033U CN212131033U CN202020731530.4U CN202020731530U CN212131033U CN 212131033 U CN212131033 U CN 212131033U CN 202020731530 U CN202020731530 U CN 202020731530U CN 212131033 U CN212131033 U CN 212131033U
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Abstract
The utility model discloses a loose axial locking big bolt of anti-drop, including the bolt body, the one end of bolt body is equipped with the bolt head, be equipped with stop nut one on the bolt body, one side that lies in stop nut one on the bolt body is equipped with stop nut two, the last integrative connection of stop nut two has the connecting thread bush with bolt body assorted, the outside face of connecting thread bush is equipped with the external screw thread with spacing connection chamber threaded connection, stop nut two is kept away from one side symmetry of stop nut one and is equipped with the gag lever post, the activity of gag lever post top is equipped with the ball, be equipped with the screw cavity in the bolt body, can dismantle in the screw cavity and be equipped with the threaded rod, the threaded rod other end is equipped with fixed stop, the fixed stop inboard is equipped with the circular; such device simple structure, convenient to use can effectually guarantee can not appear connecting not hard up problem under any circumstance, prevents to appear the potential safety hazard.
Description
Technical Field
The utility model relates to a bolt anti-drop technical field particularly, relates to a big bolt of axial locking that anti-drop is lax.
Background
The bolt is a fastener consisting of a head part and a screw (a cylinder with external threads), needs to be matched with a nut and is used for fastening and connecting two parts with through holes, and the connection form is called bolt connection. Bolts are scarce in daily life and in industrial production and manufacture, and are also called industrial rice. It can be seen that the bolt has wide application. The application range of the bolt is as follows: electronic products, mechanical products, digital products, electrical equipment and electromechanical products. Ships, vehicles, hydraulic engineering, etc.
The problem of looseness of the conventional bolt connection is common, especially in the environment with vibration. The fact that the bolt is loosened is that the threaded connection part of the nut and the screw rod is loosened, and the nut is loosened towards the end part of the screw rod, so that a part to be clamped is clamped, and certain potential safety hazards exist.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem among the correlation technique, the utility model provides a big bolt of axial locking that anti-drop is lax to overcome the above-mentioned technical problem that current correlation technique exists.
The technical scheme of the utility model is realized like this:
an anti-drop loose axial locking big bolt comprises a bolt body, wherein a bolt head is arranged at one end of the bolt body, a first limit nut is arranged on the bolt body, a threaded inner cavity matched with the bolt body is arranged in the first limit nut, a limiting connection cavity is arranged at one side of the first limit nut far away from the bolt head, a second limit nut is arranged at one side of the first limit nut on the bolt body, a connecting threaded sleeve matched with the bolt body is integrally connected onto the second limit nut, an external thread in threaded connection with the limiting connection cavity is arranged on the outer side surface of the connecting threaded sleeve, a limiting rod is symmetrically arranged at one side of the second limit nut far away from the first limit nut, a ball is movably arranged at the top end of the limiting rod, a threaded cavity is arranged in the bolt body, and a threaded rod is detachably arranged in the threaded cavity, the other end of the threaded rod is provided with a fixed baffle, and the inner side of the fixed baffle is provided with a circular chute matched with the ball.
Furthermore, a cross-shaped groove is formed in the bolt head.
Furthermore, one side, close to the bolt head, of the first limiting nut is detachably provided with an elastic washer, and the elastic washer is made of stainless steel or carbon steel.
Further, the length of the threaded cavity is the same as the length of the threaded rod.
The utility model provides a big bolt of axial locking that anti-drop is lax, beneficial effect as follows:
(1) the bolt body is provided with a first limit nut, the first limit nut is internally provided with a threaded inner cavity matched with the bolt body, one side of the first limit nut, which is far away from the bolt head, is provided with a limit connection cavity, one side of the bolt body, which is far away from the first limit nut, is provided with a second limit nut, the second limit nut is integrally connected with a connection threaded sleeve matched with the bolt body, the outer side surface of the connection threaded sleeve is provided with external threads in threaded connection with the limit connection cavity, one side of the second limit nut, which is far away from the first limit nut, is symmetrically provided with a limit rod, the top end of the limit rod is movably provided with a ball, a threaded cavity is arranged in the bolt body, a threaded rod can be detachably arranged in the threaded cavity, the other end of the threaded rod is provided with a fixed baffle, the inner side of the fixed baffle is provided with a, until unable rotation, again with the rotatory bolt body that goes into of stop nut two, and make the rotatory spacing connection intracavity that gets into of connecting thread bush, again with the rotatory screw thread entering screw cavity of threaded rod in, when the threaded rod got into the screw cavity, can make fixed stop be close to the ball on gag lever post top, the last circular spout of fixed stop can contact the ball, it is fixed to accomplish the installation until the threaded rod can't rotate, such device simple structure, high durability and convenient use, can effectually guarantee can not appear connecting not hard up problem under any circumstance, prevent the potential safety hazard.
(2) And the cross-shaped groove is arranged on the bolt head, so that the bolt body can rotate conveniently.
(3) The elastic washer is detachably arranged on one side, close to the bolt head, of the first limiting nut, and the spring washer is made of stainless steel or carbon steel, so that the stability of the first limiting nut after fastening is improved.
(4) The length of the threaded cavity is the same as that of the threaded rod.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an anti-loosening axial locking large bolt according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the connection between the bolt body and the threaded rod in the axial locking large bolt according to the embodiment of the present invention.
In the figure:
1. a bolt body; 2. a bolt head; 3. a first limiting nut; 4. a threaded inner cavity; 5. a limit connecting cavity; 6. a second limit nut; 7. connecting a threaded sleeve; 8. an external thread; 9. a limiting rod; 10. a ball bearing; 11. a threaded cavity; 12. a threaded rod; 13. fixing a baffle plate; 14. a circular chute; 15. a cross-shaped groove; 16. an elastic washer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings and specific embodiments:
the first embodiment is as follows:
referring to fig. 1-2, an anti-loosening axial locking big bolt according to an embodiment of the present invention includes a bolt body 1, a bolt head 2 is disposed at one end of the bolt body 1, a first limit nut 3 is disposed on the bolt body 1, a threaded inner cavity 4 matched with the bolt body 1 is disposed in the first limit nut 3, a limit connection cavity 5 is disposed at one side of the first limit nut 3 away from the bolt head 2, a second limit nut 6 is disposed at one side of the bolt body 1 located at the first limit nut 3, a connection threaded sleeve 7 matched with the bolt body 1 is integrally connected to the second limit nut 6, an outer side surface of the connection threaded sleeve 7 is connected with an external thread 8 having a threaded connection with the limit connection cavity 5, a limit rod 9 is symmetrically disposed at one side of the second limit nut 6 away from the first limit nut 3, the utility model discloses a bolt, including the gag lever post 9, the activity of gag lever post 9 top is equipped with ball 10, be equipped with screw cavity 11 in the bolt body 1, can dismantle in the screw cavity 11 and be equipped with threaded rod 12, the threaded rod 12 other end is equipped with fixed stop 13, fixed stop 13 inboard be equipped with ball 10 assorted circular spout 14.
Through the above scheme of the utility model, by arranging the first limit nut 3 on the bolt body 1, the threaded inner cavity 4 matched with the bolt body 1 is arranged in the first limit nut 3, the side of the first limit nut 3 away from the bolt head 2 is provided with the limit connection cavity 5, one side of the bolt body 1 located on the first limit nut 3 is provided with the second limit nut 6, the second limit nut 6 is integrally connected with the connecting threaded sleeve 7 matched with the bolt body 1, the outer side surface of the connecting threaded sleeve 7 is connected with the external thread 8 provided with the limit connection cavity 5 in a threaded connection manner, one side of the second limit nut 6 away from the first limit nut 3 is symmetrically provided with the limit rod 9, the top end of the limit rod 9 is movably provided with the ball 10, the bolt body 1 is internally provided with the threaded cavity 11, and the threaded rod 12 is detachably arranged in the threaded cavity 11, the other end of the threaded rod 12 is provided with a fixed baffle 13, the inner side of the fixed baffle 13 is provided with a circular chute 14 matched with the ball 10, when in use, the bolt body 1 passes through the corresponding mounting hole, the first limit nut 3 is rotated into the bolt body 1 until the bolt body cannot rotate, the second limit nut 6 is rotated into the bolt body 1, the connecting threaded sleeve 7 is rotated to enter the limiting connecting cavity 5, the threaded rod 12 is rotated to enter the threaded cavity 11, when the threaded rod 12 enters the threaded cavity 11, the fixed baffle 13 is close to the ball 10 at the top end of the limiting rod 9, the round sliding groove 14 on the fixed baffle 13 can contact the ball 10 until the threaded rod 12 can not rotate, and the installation and the fixation can be completed, the device has simple structure and convenient use, the problem of connection looseness can not appear under any circumstances in effectual assurance, prevents to appear the potential safety hazard.
Example two:
as shown in fig. 1-2, a cross-shaped groove 15 is arranged on the bolt head 2 to facilitate the rotation of the bolt body 1; an elastic washer 16 is detachably arranged on one side, close to the bolt head 2, of the first limiting nut 3, and the elastic washer 16 is made of stainless steel or carbon steel, so that the stability of the first limiting nut after fastening is improved; the length of the threaded cavity 11 is the same as the length of the threaded rod 12.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
When in actual application, when using, pass corresponding mounting hole with bolt body 1, in advancing bolt body 1 with the rotation of stop nut 3, until unable rotation, again with stop nut two 6 rotatory income bolt body 1, and make connecting thread bush 7 rotatory get into in spacing connection chamber 5, again with threaded rod 12 rotatory get into in the screw cavity 11, when threaded rod 12 gets into screw cavity 11, can make fixed stop 13 be close to the ball 10 on gag lever post 9 top, circular spout 14 on the fixed stop 13 can contact ball 10, can accomplish the installation fixed until threaded rod 12 is unable to rotate, such device simple structure, high durability and convenient use, can effectually guarantee can not appear connecting not hard up problem under any circumstance, prevent the potential safety hazard.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The anti-drop loose axial locking big bolt is characterized by comprising a bolt body (1), wherein one end of the bolt body (1) is provided with a bolt head (2), the bolt body (1) is provided with a first limit nut (3), a thread inner cavity (4) matched with the bolt body (1) is arranged in the first limit nut (3), one side, away from the bolt head (2), of the first limit nut (3) is provided with a limit connection cavity (5), one side, located on the first limit nut (3), of the bolt body (1) is provided with a second limit nut (6), the second limit nut (6) is integrally connected with a connection thread sleeve (7) matched with the bolt body (1), the outer side surface of the connection thread sleeve (7) is provided with an external thread (8) in threaded connection with the limit connection cavity (5), keep away from stop nut two (6) the one side symmetry of stop nut (3) is equipped with gag lever post (9), gag lever post (9) top activity is equipped with ball (10), be equipped with screw cavity (11) in bolt body (1), can dismantle in screw cavity (11) and be equipped with threaded rod (12), the threaded rod (12) other end is equipped with fixed stop (13), fixed stop (13) inboard be equipped with ball (10) assorted circular spout (14).
2. An anti-drop loose axial locking big bolt according to claim 1, characterized in that the bolt head (2) is provided with a cross groove (15).
3. An anti-drop loose axial locking big bolt according to claim 1, characterized in that an elastic washer (16) is detachably arranged on one side of the first limit nut (3) close to the bolt head (2), and the elastic washer (16) is made of stainless steel or carbon steel.
4. An anti-drop loose large axial locking bolt according to claim 1, characterized in that the length of the threaded cavity (11) is the same as the length of the threaded shank (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020731530.4U CN212131033U (en) | 2020-05-07 | 2020-05-07 | Anti-drop loose's big bolt of axial locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020731530.4U CN212131033U (en) | 2020-05-07 | 2020-05-07 | Anti-drop loose's big bolt of axial locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212131033U true CN212131033U (en) | 2020-12-11 |
Family
ID=73692890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020731530.4U Expired - Fee Related CN212131033U (en) | 2020-05-07 | 2020-05-07 | Anti-drop loose's big bolt of axial locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212131033U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524138A (en) * | 2020-12-11 | 2021-03-19 | 湖北友谦汽车零部件有限公司 | Anti-loosening bolt |
| CN114458679A (en) * | 2022-01-24 | 2022-05-10 | 湖北恒易汽车紧固件有限公司 | Anti-drop bolt |
| CN114542571A (en) * | 2022-01-17 | 2022-05-27 | 深圳金鑫源精密技术有限公司 | Locking new energy automobile fastening bolt that moves |
-
2020
- 2020-05-07 CN CN202020731530.4U patent/CN212131033U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524138A (en) * | 2020-12-11 | 2021-03-19 | 湖北友谦汽车零部件有限公司 | Anti-loosening bolt |
| CN114542571A (en) * | 2022-01-17 | 2022-05-27 | 深圳金鑫源精密技术有限公司 | Locking new energy automobile fastening bolt that moves |
| CN114458679A (en) * | 2022-01-24 | 2022-05-10 | 湖北恒易汽车紧固件有限公司 | Anti-drop bolt |
| CN114458679B (en) * | 2022-01-24 | 2024-04-02 | 湖北恒易汽车紧固件有限公司 | Anti-drop bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |