CN218644628U

CN218644628U - Bolt and nut assembly with anti-loosening function

Info

Publication number: CN218644628U
Application number: CN202222176010.3U
Authority: CN
Inventors: 陈友辉
Original assignee: Suzhou Jiuzhuo Precision Parts Co ltd
Current assignee: Suzhou Jiuzhuo Precision Parts Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-03-17
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a bolt and nut subassembly with locking function, including coupling nut, a plurality of spring grooves, every have been seted up to coupling nut's up end the equal fixedly connected with coupling spring in bottom of spring groove, every coupling spring's other end fixedly connected with spring board, the removal board groove has been seted up to the up end both sides position of spring board, removal board inslot swing joint has the draw-in groove board, the up end intermediate position fixedly connected with connecting plate of draw-in groove board, fixedly connected with removes the cardboard on the up end of connecting plate, and the lower lateral wall that removes the cardboard leans on the position fixedly connected with arc of a lateral wall. The utility model discloses in, can the joint nut inslot portion on the nut of bolt through the removal cardboard on the spring board that sets up, utilize connecting spring to go up screw thread and the tight laminating of screw thread on the coupling nut together on with coupling bolt to this reaches the effect that prevents not hard up.

Description

Bolt and nut assembly with anti-loosening function

Technical Field

The utility model relates to a bolt and nut field especially relates to a bolt and nut subassembly with locking function.

Background

In the process of producing and manufacturing mechanical products, bolt and nut connection is a connection mode which is widely applied, and in a working environment with high-strength impact load, high-strength alternating load and high-strength vibration, the bolt and nut connection is easy to loosen, so that potential safety hazards are brought. The problem of preventing the bolt and the nut from being locked in a severe working environment is a long-standing problem.

Through retrieval, chinese patent discloses a bolt and nut assembly with locking function (publication No. CN 214247940U), and this patent technology uses a special-shaped groove body to place the bolt and loosen it, but still overcomes the problem that the connection between the bolt and the nut is loose due to the thread clearance between the bolt and the nut, and after the bolt and the nut are used for a long time, the thread structure on the bolt and the nut has a certain wear, and when the wear reaches a certain degree, the threaded connection may be untight, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the bolt-nut subassembly with locking function that proposes, the bolt-nut subassembly with locking function of this design can the nut inslot portion of joint on the bolt cap through the removal cardboard on the spring plate that sets up, utilizes connecting spring to go up the screw thread with connecting bolt and the screw thread on the coupling nut closely laminating together to this reaches the effect that prevents not hard up.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a bolt and nut assembly with an anti-loosening function comprises a connecting nut, wherein a plurality of spring grooves are formed in the upper end face of the connecting nut, a connecting spring is fixedly connected to the bottom end of each spring groove, and a spring plate is fixedly connected to the other end of each connecting spring; the spring plate is characterized in that moving plate grooves are formed in the two sides of the upper end face of the spring plate, a slot plate is movably connected in each moving plate groove, a connecting plate is fixedly connected to the middle of the upper end face of each slot plate, a moving clamping plate is fixedly connected to the upper end face of each connecting plate, and an arc-shaped plate is fixedly connected to the position, close to one side wall, of the lower side wall of each moving clamping plate;

through above-mentioned technical scheme, can the joint screw cap inslot portion on the cap of bolt through the removal cardboard on the spring board that sets up, utilize connecting spring with connecting bolt go up the screw thread and the screw thread on the coupling nut closely laminating be in the same place to this reaches the effect that prevents not hard up.

Furthermore, a threaded connecting groove is formed in the middle of the upper end face of the connecting nut;

through above-mentioned technical scheme, utilize the threaded connection groove to connect connecting bolt.

Further, a connecting bolt is connected with the thread connecting groove in an internal thread manner;

through above-mentioned technical scheme, connecting bolt is used for connecting some work pieces.

Further, a bolt cap is fixedly connected to the upper end face of the connecting bolt;

through above-mentioned technical scheme, bolt cap special design uses with the cooperation of removal cardboard.

Furthermore, a nut groove is formed in the middle of the outer side wall of the bolt cap;

through above-mentioned technical scheme, utilize nut groove joint removal cardboard.

Furthermore, a clamping plate groove is formed in the position, close to the outer side, of the lower side wall of the nut groove.

Through above-mentioned technical scheme, utilize cardboard groove joint arc.

Furthermore, a bolt groove is formed in the middle of the plate body of the spring plate;

through the technical scheme, the spring plate can penetrate through the bolt cap by utilizing the bolt groove.

Further, the clamping plate groove is matched with the arc-shaped plate for use;

through the technical scheme, the bolt cap can be connected with the spring plate.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, utilize the threaded connection groove to connect connecting bolt, connecting bolt is used for connecting some work pieces, and cap of bolt special design uses with removing the cardboard cooperation, utilizes cap of bolt groove joint to remove the cardboard, utilizes cardboard groove joint arc, utilizes the groove of bolt will make the spring plate pass the cap of bolt, and the cardboard groove uses with the arc cooperation, can be connected cap of bolt and spring plate.

2. The utility model discloses in, can joint the nut inslot portion on the nut of bolt through the removal cardboard on the spring board that sets up, utilize connecting spring to go up screw thread and the close laminating of screw thread on the coupling nut together on with coupling bolt to this reaches the effect that prevents not hard up.

Drawings

Fig. 1 is a perspective view of a bolt and nut assembly with anti-loosening function according to the present invention;

fig. 2 is a schematic connection diagram of the connection nut and the spring plate of the bolt-nut assembly with anti-loose function according to the present invention;

fig. 3 is a sectional view of a bolt cap of a bolt-nut assembly with an anti-loose function according to the present invention;

fig. 4 is a schematic view of the movable clamping plate of the bolt-nut assembly with anti-loosening function provided by the utility model.

Illustration of the drawings:

1. connecting a nut; 2. a spring slot; 3. a connecting spring; 4. a spring plate; 5. a connecting bolt; 6. a bolt cap; 7. a bolt slot; 8. connecting grooves by screw threads; 9. moving the clamping plate; 10. a moving plate slot; 11. a clamping plate groove; 12. a connecting plate; 13. a slot clamping plate; 14. an arc-shaped plate; 15. a nut groove.

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 without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a bolt nut subassembly with locking function, includes coupling nut 1, and a plurality of spring grooves 2 have been seted up to coupling nut 1's up end, the equal fixedly connected with coupling spring 3 in bottom of every spring groove 2, the other end fixedly connected with spring board 4 of every coupling spring 3.

The moving plate groove 10 has been seted up to the up end both sides position of spring board 4, swing joint has draw-in groove board 13 in the moving plate groove 10, and draw-in groove board 13's up end intermediate position fixedly connected with connecting plate 12, fixedly connected with removes cardboard 9 on the up end of connecting plate 12, and the lower lateral wall that removes cardboard 9 leans on the fixedly connected with arc 14 of a lateral wall.

Threaded connection groove 8 has been seted up to coupling nut 1's up end intermediate position, threaded connection groove 8 female connection has connecting bolt 5, connecting bolt 5's up end fixedly connected with bolt cap 6, nut groove 15 has been seted up to bolt cap 6's lateral wall intermediate position, nut groove 15's lower lateral wall has been leaned on the position in the outside and has been seted up cardboard groove 11, bolt groove 7 has been seted up to the plate body intermediate position of spring plate 4, cardboard groove 11 uses with the 14 cooperations of arc.

The working principle is as follows: utilize 8 connection bolt 5 of thread connection groove, connection bolt 5 is used for connecting some work pieces, 6 special design of bolt cap, use with the cooperation of removal cardboard 9, utilize 15 joint of bolt cap groove to remove cardboard 9, utilize 11 joint arcs of cardboard groove 14, utilize bolt groove 7 will make spring plate 4 pass bolt cap 6, cardboard groove 11 uses with the cooperation of arcs 14, can be connected bolt cap 6 and spring plate 4, can joint the inside of 15 nut grooves of bolt cap on bolt cap 6 of removal cardboard 9 on the spring plate 4 through setting up, utilize connecting spring 3 with connecting bolt 5 go up the screw thread and the tight laminating of screw thread on the coupling nut 1 together, with this effect that prevents not hard up that reaches.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a bolt nut subassembly with locking function, includes coupling nut (1), its characterized in that: the upper end face of the connecting nut (1) is provided with a plurality of spring grooves (2), the bottom end of each spring groove (2) is fixedly connected with a connecting spring (3), and the other end of each connecting spring (3) is fixedly connected with a spring plate (4);

the spring plate is characterized in that a movable plate groove (10) is formed in the two sides of the upper end face of the spring plate (4), a clamping groove plate (13) is movably connected into the movable plate groove (10), a connecting plate (12) is fixedly connected to the middle of the upper end face of the clamping groove plate (13), a movable clamping plate (9) is fixedly connected onto the upper end face of the connecting plate (12), and an arc plate (14) is fixedly connected to the lower side wall of the movable clamping plate (9) by one side wall.

2. A bolt-nut assembly with anti-loosening function according to claim 1, characterized in that: and a threaded connecting groove (8) is formed in the middle of the upper end face of the connecting nut (1).

3. The bolt-nut assembly with the anti-loose function according to claim 2, characterized in that: and the threaded connecting groove (8) is internally connected with a connecting bolt (5).

4. The bolt-nut assembly with the anti-loose function according to claim 3, characterized in that: the upper end face of the connecting bolt (5) is fixedly connected with a bolt cap (6).

5. A bolt-nut assembly with anti-loosening function according to claim 4, characterized in that: the middle position of the outer side wall of the bolt cap (6) is provided with a bolt cap groove (15).

6. The bolt-nut assembly with the anti-loose function according to claim 5, characterized in that: and a clamping plate groove (11) is formed in the position, close to the outer side, of the lower side wall of the nut groove (15).

7. A bolt-nut assembly with anti-loosening function according to claim 1, characterized in that: and a bolt groove (7) is formed in the middle of the plate body of the spring plate (4).

8. The bolt-nut assembly with the anti-loose function according to claim 6, wherein: the clamping plate groove (11) is matched with the arc-shaped plate (14) for use.