CN220415967U - Nut self-locking screw - Google Patents

Abstract

The utility model relates to a nut self-locking screw in the technical field of nut screws, which comprises a screw, wherein a thread groove is formed in the outer surface of the screw, a nut is connected to the outer surface of the screw in a threaded manner, a nut tooth groove in threaded connection with the thread groove is formed in the inner wall of the nut, a mounting groove is formed in the bottom surface of the nut, an adjusting opening penetrating through the inner wall of the nut tooth groove is formed in one side, close to the nut tooth groove, of the inner wall of the mounting groove, and clamping blocks are arranged at two ends of the inner wall of the top end of the sliding opening. Through the fixture block that has the cambered surface to and the spacing rubber strip of cooperation, can make the fixture block card on the cell wall of screw groove, the connecting spring between fixture block and the smooth mouth simultaneously can conveniently receive the inner wall of regulation mouth with the fixture block, lets the nut normally rotate, then cooperates the rubber strip to carry out spacing with the position of fixture block, guarantees that the nut is in the auto-lock state after with screw threaded connection, should set up simple structure, and convenient auto-lock, avoids vibration to lead to screw and nut to connect lax.

Description

Nut self-locking screw

Technical Field

The utility model relates to the technical field of nut screws, in particular to a nut self-locking screw.

Background

At present, nuts and bolts belong to common fasteners in the mechanical industry and are used for assembling mechanical parts into parts or whole equipment, and in the using process of some equipment, vibration is often generated, and the loosening of the nuts is also caused, so that the connection stability of the installation positions of some equipment and the nuts and bolts is reduced, and even the equipment operation is affected by falling.

The existing self-locking screw and nut are various in variety, the self-locking state is influenced by the installation space and the installation mode, and the self-locking capability cannot be fully exerted, so that the using effect is reduced, and therefore, the nut self-locking screw is provided.

Disclosure of Invention

Aiming at the problems, the utility model provides the nut self-locking screw which has the effects of improving self-locking stability, being convenient to install and simple in structure.

The technical scheme of the utility model is as follows:

the utility model provides a nut is from locking-type screw, includes the screw, the screw's surface has been seted up the screw groove, the surface threaded connection of screw has the nut, the inner wall of nut is equipped with the nut tooth's socket with screw groove threaded connection, the mounting groove has been seted up to the bottom surface of nut, the inner wall of mounting groove is close to one side of nut tooth's socket and has been seted up and run through to the regulation mouth of nut tooth's socket inner wall, and the regulation mouth extends to the middle part by the bottom of nut, the inner wall of mounting groove has been inserted the smooth mouth, the top inner wall both ends of smooth mouth all are equipped with the fixture block, and fixture block and the cell wall looks joint of screw groove to fixture block and regulation mouth inner wall sliding connection, a side of fixture block face towards smooth mouth is square, fixed mounting has four connecting springs between a side and the smooth mouth of fixture block face towards smooth mouth, and the one end surface that the smooth mouth was kept away from to the fixture block is the cambered surface, the end mouth of regulation mouth is inserted and is equipped with spacing subassembly.

In further technical scheme, spacing subassembly includes the rubber strip, the inner wall of regulation mouth is inserted and is equipped with the rubber strip, one side of rubber strip extends towards the inner wall middle part of nut, and the top surface of rubber strip is located the bottom surface of fixture block.

In a further technical scheme, the telescopic rod is inserted in the center of the connecting spring, the shell of the telescopic rod is fixed on the inner wall of the sliding opening, and the telescopic end of the telescopic rod is fixed on one side surface of the clamping block.

In a further technical scheme, two pull bolts are fixedly arranged on the bottom surface of the sliding port, and the bottom ends of the pull bolts are positioned outside the bottom surface of the nut.

In a further technical scheme, the bottom surface fixed mounting of rubber strip has the gasket, the internal diameter of gasket is less than the internal diameter of sliding port, two adaptation holes have been seted up to the top surface of gasket, and the adaptation hole cover is established at the surface of tieing.

The beneficial effects of the utility model are as follows:

through the fixture block that has the cambered surface to and the spacing rubber strip of cooperation, can make the fixture block card on the cell wall of screw groove, the connecting spring between fixture block and the smooth mouth simultaneously can conveniently receive the inner wall of regulation mouth with the fixture block, lets the nut normally rotate, then cooperates the rubber strip to carry out spacing with the position of fixture block, guarantees that the nut is in the auto-lock state after with screw threaded connection, should set up simple structure, and convenient auto-lock, avoids vibration to lead to screw and nut to connect lax.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of a nut and a slip port according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of a slide and a gasket according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of the latch and the connecting rod according to the embodiment of the present utility model;

fig. 5 is a schematic view of the structure of the nut and the mounting groove according to the embodiment of the present utility model.

Reference numerals illustrate:

1. a screw; 2. a nut; 3. a thread groove; 4. nut tooth grooves; 5. an adjustment port; 6. a mounting groove; 7. a sliding port; 8. a clamping block; 9. a telescopic rod; 10. a connecting spring; 11. pulling a bolt; 12. a gasket; 13. a rubber strip; 14. fitting the hole.

Detailed Description

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Examples:

as shown in fig. 1-5, a self-locking screw for a nut comprises a screw 1, a thread groove 3 is arranged on the outer surface of the screw 1, a nut 2 is connected with the outer surface of the screw 1 in a threaded manner, a nut tooth socket 4 in threaded connection with the thread groove 3 is arranged on the inner wall of the nut 2, a mounting groove 6 is arranged on the bottom surface of the nut 2, an adjusting opening 5 penetrating through the inner wall of the nut tooth socket 4 is arranged on one side of the inner wall of the mounting groove 6 close to the nut tooth socket 4, the adjusting opening 5 extends from the bottom end of the nut 2 to the middle part, a sliding opening 7 is inserted into the inner wall of the mounting groove 6, clamping blocks 8 are arranged at two ends of the inner wall of the top end of the sliding opening 7, the clamping blocks 8 are clamped with the groove wall of the thread groove 3, the clamping blocks 8 are in sliding connection with the inner wall of the adjusting opening 5, one side of the clamping blocks 8 facing the sliding opening 7 is square, four connecting springs 10 are fixedly arranged between one side of the clamping blocks 8 facing the sliding opening 7 and the sliding opening 7, the telescopic rod 9 is inserted in the center of the connecting spring 10, the shell of the telescopic rod 9 is fixed on the inner wall of the sliding port 7, the telescopic end of the telescopic rod 9 is fixed on one side surface of the clamping block 8, the elastic direction of the connecting spring 10 can be horizontally linear through the arrangement of the telescopic rod 9, the clamping block 8 is prevented from being inclined when being subjected to resistance, the outer surface of one end of the clamping block 8 far away from the sliding port 7 is an arc surface, the clamping block 8 is conveniently taken out from the notch of the adjusting port 5, the arc surface can avoid wearing the notch of the threaded groove 3 during taking out, the rubber strip 13 is inserted in the bottom opening of the adjusting port 5, the rubber strip 13 is inserted in the inner wall of the adjusting port 5, one side of the rubber strip 13 extends towards the middle part of the inner wall of the nut 2, the top surface of the rubber strip 13 is positioned on the bottom surface of the clamping block 8, the clamping block 8 can be prevented from sliding out of the mounting groove 6 when the clamping block 8 is positioned on the groove wall of the threaded groove 3 in a clamping way through the arrangement of the rubber strip 13, while preventing the latch 8 from being removed from the opening of the adjustment port 5.

The working principle of the technical scheme is as follows:

when the device is used, the screw 1 and the nut 2 are in threaded connection, then the sliding port 7 is inserted upwards from the bottom port of the mounting groove 6, the clamping block 8 can be extruded and retracted into the inner wall of the adjusting port 5 in the process, after the sliding port 7 is completely inserted into the inner wall of the mounting groove 6, the resistance of the clamping block 8 pushed upwards is reduced, at the moment, the clamping block 8 can extend out of the notch of the adjusting port 5 under the reset action of the connecting spring 10 and then be clamped in the groove wall of the threaded groove 3, at the moment, the rubber strip 13 is inserted into the bottom port of the adjusting port 5 until the top surface of the rubber strip 13 is contacted with the bottom surface of the clamping block 8, at the moment, the clamping block 8 can ensure the stability of clamping connection, and the use stability of the clamping block 8 can be improved due to the certain anti-slip characteristic of the rubber strip 13, and the downward sliding is avoided.

In another embodiment, as shown in fig. 2 and 3, two pull bolts 11 are fixedly installed on the bottom surface of the sliding port 7, the bottom ends of the pull bolts 11 are located outside the bottom surface of the nut 2, the sliding port 7 which is completely inserted into the installation groove 6 can be conveniently pulled out by arranging the pull bolts 11, the nut 2 is conveniently unlocked from the outer surface of the screw 1, a gasket 12 is fixedly installed on the bottom surface of the rubber strip 13, the inner diameter of the gasket 12 is smaller than the inner diameter of the sliding port 7, two adapting holes 14 are formed in the top surface of the gasket 12, and the adapting holes 14 are sleeved on the outer surface of the pull bolts 11.

The inner wall of the gasket 12 can be manually scratched to be pulled downwards, the rubber strip 13 is directly pulled out of the inner wall of the adjusting port 5, and meanwhile, the setting of the hole 14 is adapted, so that the pull bolt 11 is conveniently placed.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (5)

1. The utility model provides a nut is from locking-type screw, includes screw (1), screw (1) surface has seted up thread groove (3), the surface threaded connection of screw (1) has nut (2), the inner wall of nut (2) is equipped with nut tooth's socket (4) with thread groove (3) threaded connection, its characterized in that: mounting groove (6) have been seted up to the bottom surface of nut (2), the inner wall of mounting groove (6) is close to one side of nut tooth's socket (4) and has been seted up and run through to regulation mouth (5) of nut tooth's socket (4) inner wall, and regulation mouth (5) are extended to the middle part by the bottom of nut (2), the inner wall of mounting groove (6) is inserted and is equipped with smooth mouth (7), the top inner wall both ends of smooth mouth (7) all are equipped with fixture block (8), and fixture block (8) and the cell wall looks joint of screw groove (3) to fixture block (8) and regulation mouth (5) inner wall sliding connection, fixture block (8) face is square towards one side of smooth mouth (7), fixed mounting has four connecting springs (10) between one side and the smooth mouth (7) of fixture block (8) face, and the one end surface that smooth mouth (7) were kept away from to fixture block (8) is the cambered surface, limit assembly is inserted to the bottom mouth of regulation mouth (5).

2. A nut-locking screw as defined in claim 1, wherein: the limiting component comprises a rubber strip (13), the rubber strip (13) is inserted into the inner wall of the adjusting port (5), one side of the rubber strip (13) extends towards the middle of the inner wall of the nut (2), and the top surface of the rubber strip (13) is located on the bottom surface of the clamping block (8).

3. A nut-locking screw as defined in claim 1, wherein: the telescopic rod (9) is inserted in the center of the connecting spring (10), the shell of the telescopic rod (9) is fixed on the inner wall of the sliding opening (7), and the telescopic end of the telescopic rod (9) is fixed on one side surface of the clamping block (8).

4. A nut-locking screw as defined in claim 1, wherein: two pull bolts (11) are fixedly arranged on the bottom surface of the sliding port (7), and the bottom ends of the pull bolts (11) are positioned outside the bottom surface of the nut (2).

5. A nut-locking screw as defined in claim 2, wherein: the bottom surface fixed mounting of rubber strip (13) has gasket (12), the internal diameter of gasket (12) is less than the internal diameter of sliding port (7), two adaptation holes (14) have been seted up to the top surface of gasket (12), and the surface at the pull plug (11) is established in adaptation hole (14) cover.