CN219221004U

CN219221004U - Stable fastener

Info

Publication number: CN219221004U
Application number: CN202320770122.3U
Authority: CN
Inventors: 王慧娟
Original assignee: Jingjiang Huasheng Junli Automobile Fastener Co ltd
Current assignee: Jingjiang Huasheng Junli Automobile Fastener Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-06-20
Anticipated expiration: 2033-04-10

Abstract

The utility model relates to the technical field of fasteners, in particular to a stable fastener which comprises a first nut, a bolt and a second nut, wherein the first nut is welded at the top end of the bolt, the second nut is in threaded connection with the bolt, a jack is formed in one end, far away from the first nut, of the bolt, a plug rod is inserted into the jack in a sliding manner, a sliding rod is arranged on the surface of the plug rod, and a connecting rod is arranged on the surface of the sliding rod. According to the utility model, the bolt and the nut are used for normally connecting the two parts, after the connection is completed, the inserted bar is pulled out, and the sliding bar and the connecting bar on the surface of the inserted bar are inserted into the round hole on the surface of the second nut, so that the inserted bar can only move with the bolt and cannot rotate, therefore, the bolt and the second nut can be limited by the connecting bar, the inserted bar and the sliding bar, the bolt and the second nut cannot rotate, and further the loosening caused by vibration can be reduced.

Description

Stable fastener

Technical Field

The utility model relates to the technical field of fasteners, in particular to a stable fastener.

Background

The fastener is a kind of mechanical parts used for fastening connection and has very wide application, and is characterized by various varieties and specifications, various performance purposes, and extremely high standardization, serialization and universalization degrees. Therefore, a type of fastener in the existing national standard is also called a standard fastener, or simply called a standard component, and a nut is a conventional fastener, which is a hardware for connecting equipment parts together, and is fixedly connected by bonding the nut and a bolt.

Traditional connection between bolt and the nut all is through tooth meshing, extrudees fixedly to two parts, but in the equipment that vibrations are more violent, directly utilize the connection of bolt and nut can lead to appearing becoming flexible between nut and the bolt to lead to the phenomenon that the steadiness reduces, be unfavorable for in-service use, cause the potential safety hazard of certain degree.

Disclosure of Invention

The utility model aims to provide a stable fastener, which solves the problems that in the prior art, the connection between a bolt and a nut is meshed through teeth to extrude and fix two parts, but in equipment with relatively severe vibration, the connection between the bolt and the nut is directly utilized to cause looseness between the nut and the bolt, so that the stability is reduced, the actual use is not facilitated, and a certain degree of potential safety hazard is caused.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a firm type fastener, includes first nut, bolt and second nut, first nut welding is on the top of bolt, second nut and bolt threaded connection, the jack has been seted up to the one end that first nut was kept away from to the bolt, the inside slip of jack has been inserted the inserted bar, the surface of inserted bar is provided with the slide bar, the surface of slide bar is provided with the connecting rod, the round hole with connecting rod size looks adaptation has been seted up to the surface circumference array of second nut, the connecting hole with connecting rod size looks adaptation has been seted up to the tip of bolt.

Preferably, the surface fixed mounting of inserted bar has two restriction bars, the limiting groove of two and restriction bar size looks adaptations has been seted up to the inner wall of jack, inserted bar passes through restriction bar and limiting groove and jack sliding connection.

Preferably, a first spring is fixedly arranged at the port of the inserted link, which is positioned in the jack, and one end of the first spring, which is far away from the inserted link, is fixedly connected with the jack.

Preferably, square holes are formed in the surface of the inserted rod, and the sliding rod is connected inside the square holes in a sliding mode.

Preferably, the port of the sliding rod is fixedly provided with a square, a square groove is formed in the square hole, and the square is matched with the square groove in size.

Preferably, the surface and the port of the connecting rod are respectively and fixedly provided with a second round block and a first round block, the surface of the connecting rod is sleeved with a second spring, and two ends of the second spring are respectively and fixedly connected with the second round block and the sliding rod.

The utility model has at least the following beneficial effects:

the bolt and the nut are utilized to normally connect the two parts, after connection is completed, the inserted bar is pulled out, the sliding bar and the connecting bar on the surface of the inserted bar are utilized to be inserted into the round hole on the surface of the second nut, the inserted bar can only move with the bolt and cannot rotate, so that the connecting bar, the inserted bar and the sliding bar can be utilized to limit the bolt and the second nut, the bolt and the second nut cannot rotate, and the situation that looseness occurs due to vibration can be reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a bolt of the present utility model;

FIG. 3 is a cross-sectional view of a bayonet of the present utility model;

FIG. 4 is a schematic view of the structure of the connecting hole of the present utility model.

In the figure: 1. a first nut; 2. a bolt; 3. a second nut; 4. a first spring; 5. a restraining bar; 6. a rod; 7. a square groove; 8. square holes; 9. a first round block; 10. a second spring; 11. a second round block; 12. a connecting rod; 13. a connection hole; 14. a limiting groove; 15. a jack; 16. a slide bar; 17. a square block; 18. and a round hole.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Referring to fig. 1-4, a firm fastener, including first nut 1, bolt 2 and second nut 3, first nut 1 welds on the top of bolt 2, second nut 3 and bolt 2 threaded connection, jack 15 has been seted up to the one end that first nut 1 was kept away from to bolt 2, jack 6 has been inserted in the inside slip of jack 15, the surface of jack 6 is provided with slide bar 16, the surface of slide bar 16 is provided with connecting rod 12, the round hole 18 with connecting rod 12 size looks adaptation has been seted up to the surface circumference array of second nut 3, connecting hole 13 with connecting rod 12 size looks adaptation has been seted up to the tip of bolt 2, use at first utilizes bolt 2 and nut to normally connect two parts, after the connection is accomplished, draw out inserted bar 6, slide bar 16 and connecting rod 12 on the surface of utilizing inserted bar 6 insert in the round hole 18 on the surface of second nut 3, and the inserted bar 6 can only take place the removal with bolt 2, consequently, can not take place the rotation with connecting rod 12, inserted

bar

6 and 16 limit bolt 2 and second nut 3, can take place the rotation between the two, and then can take place not take place the rotation, the condition that can reduce because of the vibrations appear that can not loosen.

Further, two limiting rods 5 are fixedly arranged on the surface of the inserting rod 6, two limiting grooves 14 matched with the limiting rods 5 in size are formed in the inner wall of the inserting hole 15, the inserting rod 6 is slidably connected with the inserting hole 15 through the limiting rods 5 and the limiting grooves 14, and the limiting rods 5 are arranged to limit the inserting rod 6 to slide in the inserting hole 15.

Further, the inserted link 6 is located the inside port fixed mounting of jack 15 and has first spring 4, and the one end and the jack 15 fixed connection of inserted link 6 are kept away from to first spring 4 can make inserted link 6 receive towards the inside orientation of jack 15's power through setting up first spring 4 to conveniently make connecting rod 12 more stable after inserting round hole 18, can not break away from easily.

Further, square holes 8 are formed in the surface of the inserted rod 6, the sliding rod 16 is slidably connected to the inside of the square holes 8, the sliding rod 16 is slidably inserted into the inside of the square holes 8, and when the bolt is not used, the sliding rod 16 can be moved towards the inside, so that the connecting rod 12 is located above the connecting hole 13, and therefore the connecting rod 12 is conveniently inserted into the inside of the connecting hole 13, the connecting rod 12 cannot be located outside the bolt 2, and the bolt 2 cannot be inserted into the inside of a part.

Further, the square 17 is fixedly installed at the port of the sliding rod 16, the square groove 7 is formed in the square hole 8, the square 17 is matched with the square groove 7 in size, and the square 17 is located in the square groove 7 through the square 17, so that the whole sliding rod 16 cannot be separated from the inserted rod 6.

Further, the surface and the port of the connecting rod 12 are respectively fixedly provided with the second round block 11 and the first round block 9, the surface of the connecting rod 12 is sleeved with the second spring 10, two ends of the second spring 10 are respectively fixedly connected with the second round block 11 and the sliding rod 16, the second spring 10 arranged on the connecting rod 12 can enable the connecting rod 12 to be subjected to the elastic force of the second spring 10, the connecting rod 12 can be further conveniently and stably inserted into the round hole 18, and the connecting rod 12 is arranged in a state capable of sliding with the sliding rod 16, so that the connecting rod 12 can be conveniently inserted into the connecting hole 13.

In sum, use at first utilizes bolt 2 and nut to carry out normal connection to two parts and uses, after the connection finishes, draw out inserted bar 6, utilize slide bar 16 and connecting rod 12 on inserted bar 6 surface to insert in the round hole 18 on second nut 3 surface, and inserted bar 6 can only take place to remove with bolt 2, unable rotation, consequently, can utilize connecting rod 12, inserted bar 6 and slide bar 16 to restrict bolt 2 and second nut 3, unable rotation takes place between the messenger, and then can reduce the circumstances that appears becoming flexible because of vibrations causes, can restrict inserted bar 6 and can take place to slide in jack 15 through setting up restriction pole 5, can make inserted bar 6 receive the power towards jack 15 inside direction through setting up first spring 4, thereby conveniently make connecting rod 12 more stable after inserting round hole 18, can not break away from easily, slide bar 16 slides and inserts in square hole 8 inside, can move slide bar 16 towards inside, make connecting rod 12 be located the top of connecting hole 13, thereby the inside of connecting rod 12 insert connecting hole 13, make connecting rod 12 can not be located 2 outside, and the condition that vibrations lead to the appearance of vibrations causes and appear in the circumstances that appears, can be located 2, can make the connecting rod 12 is located in the square hole 12 through setting up spring 12, can be set up into the connecting rod 12 in the square hole 12 through setting up spring 17, can be more stable in the connecting rod 12, and can be set up into the connecting rod 12 through setting up spring 17, and can be in the connecting rod 12, and can be in the condition of the square hole 12 is convenient, and 10 is convenient to be in the place in the connecting rod 12, can be connected to the inside 17.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a firm type fastener, includes first nut (1), bolt (2) and second nut (3), the top at bolt (2) is welded to first nut (1), second nut (3) and bolt (2) threaded connection, a serial communication port, jack (15) have been seted up to the one end that first nut (1) was kept away from to bolt (2), jack (15) inside slip has been inserted pole (6), the surface of inserted pole (6) is provided with slide bar (16), the surface of slide bar (16) is provided with connecting rod (12), round hole (18) with connecting rod (12) size looks adaptation are seted up to the surface circumference array of second nut (3), connecting hole (13) with connecting rod (12) size looks adaptation are seted up to the tip of bolt (2).

2. A fastening element according to claim 1, characterized in that the surface of the insert rod (6) is fixedly provided with two limiting rods (5), the inner wall of the insertion hole (15) is provided with two limiting grooves (14) which are matched with the limiting rods (5) in size, and the insert rod (6) is slidably connected with the insertion hole (15) through the limiting rods (5) and the limiting grooves (14).

3. A fastening element according to claim 2, characterized in that the end of the insert rod (6) located inside the insertion hole (15) is fixedly provided with a first spring (4), and that the end of the first spring (4) remote from the insert rod (6) is fixedly connected with the insertion hole (15).

4. A fastening element according to claim 1, characterized in that the surface of the insert rod (6) is provided with square holes (8), and the slide rod (16) is slidably connected inside the square holes (8).

5. A fastening element according to claim 4, characterized in that the end of the slide bar (16) is fixedly provided with a square block (17), the square hole (8) is internally provided with a square groove (7), and the square block (17) is matched with the square groove (7) in size.

6. A stable fastener according to claim 1, characterized in that the surface and the port of the connecting rod (12) are respectively fixedly provided with a second round block (11) and a first round block (9), the surface of the connecting rod (12) is sleeved with a second spring (10), and two ends of the second spring (10) are respectively fixedly connected with the second round block (11) and the sliding rod (16).