Self-locking nut with steel wire thread sleeve
Technical Field
The utility model relates to a nut field, in particular to take self-locking nut of steel wire swivel nut.
Background
In the production equipment in aviation trade, it is essential to install fixedly various connecting pieces, because aviation trade part requires higher to the shock attenuation, there is certain potential safety hazard in conventional bolt fastening, ordinary bolt receives vibrations to influence for a long time and easily causes not hard up and deviate from even, consequently, aviation trade often adopts the auto-lock nut that has the steel wire swivel nut to fix the bolt, promote the stability of connecting piece, but still there is not hard up possibility between steel wire swivel nut self and the nut, the steel wire swivel nut probably becomes flexible and rotates and deviate from, be unfavorable for the safety assembly of aviation part.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a take self-locking nut of steel wire swivel nut can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a take self-locking nut of steel wire swivel nut, includes nut main part and steel swivel nut and bolt, nut main part inner circle bottom position is provided with vice circular slot, vice circular slot inner wall is provided with the screw thread, vice circular slot top is provided with main circular slot, steel swivel nut outer lane is provided with two locating pieces in vice circular slot top position, be provided with adjustable round bar in the locating piece, the round bar top is provided with adjustable external ring, the bolt passes inside external ring gets into the steel swivel nut.
Preferably, the steel swivel nut and the locating piece form an organic whole through the welding, the steel swivel nut is connected through the screw thread of vice circular slot inner wall, the bolt top is provided with the nut, the bolt is connected through steel swivel nut inner circle line, through setting up main and vice circular slot, installs the steel swivel nut in the vice circular slot of nut bottom, makes the locating piece can reach main circular slot bottom, conveniently carries out position control to round bar and outer ring.
Preferably, the external ring inner circle corresponds the bolt and is provided with the round hole, the bolt passes the round hole, steel swivel nut top is provided with wear pad, through passing the bolt external ring and be connected with the steel swivel nut, sets up wear pad in the junction of bolt and steel swivel nut, damage steel swivel nut when avoiding the bolt extrusion.
Preferably, the locating piece is located steel swivel nut outer lane both sides position respectively, locating piece up end outside of the surface side position is provided with spacing circular slot, the pole is located spacing circular slot, the pole afterbody passes spacing circular slot and is connected and be provided with the location plectane, the pole head is connected to external ring down end both sides position, through set up spacing circular slot in the locating piece, utilizes spacing circular slot installation pole to conveniently adjust the height of pole and external ring.
Preferably, the main circular groove lower wall is provided with the constant head tank corresponding to the positioning circular plate, the angle between the constant head tanks is 180 degrees, and the constant head tank is arranged at the position corresponding to the positioning circular plate, and the steel swivel nut can be fixed in angle by clamping the positioning circular plate into the constant head tank, so that the steel swivel nut is prevented from being loosened and separated in a rotating manner due to the influence of vibration.
Preferably, the height of the inner wall of the positioning groove is equal to the thickness of the positioning circular plate, the sum of the heights of the external ring and the circular rod is equal to the height of the inner wall of the main circular groove, and the self-locking nut keeps the tightness between the parts after installation by setting the corresponding equal heights.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses in, through setting up the main and auxiliary circular slot, install the vice circular slot of nut bottom with the steel swivel nut, and set up locating piece and adjustable round bar in steel swivel nut outer lane, utilize the location plectane card of round bar bottom to go into corresponding constant head tank, thereby carry out the angle fixing to the steel swivel nut, avoid the inside steel swivel nut of self-locking nut not hard up and rotatory deviating from, promote the stability of self-locking nut, set up the wear pad through the junction at bolt and steel swivel nut, damage the steel swivel nut when avoiding the bolt extrusion, through setting up the constant head tank in corresponding location plectane position, it can carry out the fixed of angle to the steel swivel nut to utilize location plectane card to go into the constant head tank, it is more convenient to make the operation.
Drawings
Fig. 1 is a front cross-sectional view of a self-locking nut with a wire thread insert according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a top sectional view of the steel thread insert of the self-locking nut with the steel thread insert of the present invention.
In the figure: 1. a nut body; 2. a steel thread insert; 3. a bolt; 4. a nut; 5. a secondary circular groove; 6. a thread; 7. a main circular groove; 8. positioning blocks; 9. a round bar; 10. an external ring; 11. a circular hole; 12. a limiting circular groove; 13. positioning the circular plate; 14. positioning a groove; 15. a wear pad.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, a self-locking nut with a steel wire thread insert comprises a nut body 1, a steel thread insert 2 and a bolt 3, wherein an auxiliary circular groove 5 is arranged at the bottom of an inner ring of the nut body 1, threads 6 are arranged on the inner wall of the auxiliary circular groove 5, a main circular groove 7 is arranged above the auxiliary circular groove 5, two positioning blocks 8 are arranged at the upper position of the auxiliary circular groove 5 on the outer ring of the steel thread insert 2, an adjustable circular rod 9 is arranged in each positioning block 8, an adjustable external connection ring 10 is arranged at the top of each circular rod 9, and the bolt 3 penetrates through the external connection ring 10 and enters the steel thread insert 2.
The steel screw sleeve 2 and the positioning block 8 are welded into a whole, the steel screw sleeve 2 is connected through threads 6 on the inner wall of the auxiliary circular groove 5, a screw cap 4 is arranged at the top of the bolt 3, and the bolt 3 is connected through inner ring lines of the steel screw sleeve 2; the inner ring of the external ring 10 is provided with a round hole 11 corresponding to the bolt 3, the bolt 3 penetrates through the round hole 11, and the top of the steel threaded sleeve 2 is provided with a wear-resistant pad 15; the positioning blocks 8 are respectively positioned at two sides of the outer ring of the steel screw sleeve 2, a limiting circular groove 12 is arranged at the outer side position of the upper end face of each positioning block 8, the circular rod 9 is positioned in the limiting circular groove 12, the tail part of the circular rod 9 penetrates through the limiting circular groove 12 and is connected with a positioning circular plate 13, and the head part of the circular rod 9 is connected to two sides of the lower end face of the external connecting ring 10; the lower wall of the main circular groove 7 is provided with positioning grooves 14 corresponding to the positioning circular plate 13, and the angle between the positioning grooves 14 is 180 degrees; the height of the inner wall of the positioning groove 14 is equal to the thickness of the positioning circular plate 13, and the sum of the height of the external ring 10 and the height of the circular rod 9 is equal to the height of the inner wall of the main circular groove 7.
It should be noted that, the utility model relates to a self-locking nut with steel wire thread insert, through setting up the vice circular slot 5 in the nut main part 1, install the steel thread insert 2 in the vice circular slot 5 in the rotation, and set up the locating piece 8 in the steel thread insert 2 outer lane, set up the outer ring 10 of adjusting height through the round bar 9 in the locating piece 8, utilize bolt 3 to extrude the connecting piece and drive the round bar 9 and move downwards, make the round bar 9 bottom location circular plate 13 card go into in the constant head tank 14, promote the stability of self-locking nut, when using, aim at the steel thread insert 2 bottom to the vice circular slot 5 and install first, the steel thread insert 2 moves downwards gradually along the screw thread 6 of the inner wall of the vice circular slot 5, after the steel thread insert 2 moves to the maximum, the locating piece 8 of the steel thread insert 2 both sides rotates to the position above constant head tank 14, at this moment, the steel thread insert 2 is in preliminary stable state, then pass bolt, then the bolt 3 is connected with the nut main body 1, the bottom of the bolt 3 passes through a round hole 11 in the middle of an external ring 10 and enters a steel swivel nut 2, the bolt 3 gradually rotates along the lines of the inner ring of the steel swivel nut 2 and moves downwards, the bolt 3 drives a connecting piece to move downwards, when the bolt 3 moves to a certain degree, the connecting piece below is contacted with the external ring 10 and extrudes the external ring 10 to move downwards, the external ring 10 drives round rods 9 at two sides below to move downwards, the round rods 9 move downwards along a limiting round groove 12, the round rods 9 drive a positioning circular plate 13 at the bottom to move downwards, the positioning circular plate 13 gradually enters a positioning groove 14 below when moving downwards, when the positioning circular plate 13 reaches the bottom of the positioning groove 14, the positioning circular rods 13 enable the round rods 9 to be in a fixed state, the round rods 9 enable the positioning blocks 8 not to continue to rotate, and accordingly the steel swivel nut 2 is fixed inside a self-locking nut, the steel thread sleeve 2 is prevented from being loosened by rotation due to vibration, and the stability of the self-locking nut is improved; when the connecting piece needs to be disassembled, the bolt 3 is firstly rotated and taken out, then the external ring 10 is pulled upwards, the round rod 9 and the positioning circular plate 13 move upwards until the positioning circular plate 13 is separated from the positioning groove 14, and then the steel screw sleeve 2 can be rotated and taken out.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.