CN214171097U - Improved locknut - Google Patents

Abstract

The utility model discloses a modified locknut, including first screw thread, nut main part and second screw thread, the top of nut main part is equipped with the anti-loosening ring, and the bottom of nut main part is equipped with fastening bolt, and the middle part of nut main part is equipped with the fixed screw that runs through the nut main part, and fixed screw in-hole connection fixing bolt is equipped with first screw thread on the inner wall of nut main part, and the below of first screw thread is equipped with the second screw thread, and the bottom of nut main part is equipped with fastening bolt, is equipped with the third screw thread on fastening bolt's the outer wall, is equipped with the fourth screw thread on fastening bolt's the inner wall. This modified locknut, the part of fastening bolt top uses same material with locking circle, adopts high temperature resistant elastic material preparation, guarantees that the nut zero clearance fastening can not become flexible on the bolt, makes locknut's locking effect reach the maximize, can prolong the life of nut main part, and each part between this nut all passes through threaded connection, and the operation is very easy, and convenient the dismantlement is convenient more convenient to use.

Description

Improved locknut

Technical Field

The utility model relates to a locknut field specifically is a modified locknut.

Background

The nut is a nut, is screwed together with a bolt or a screw rod to play a role in fastening, is an element which is necessary for all production and manufacturing machines, and is divided into carbon steel, stainless steel, non-ferrous metal and other types according to different materials. The nut is a part for tightly connecting mechanical equipment, and the nut and the bolt with the same specification can be connected together through the inner thread, for example, the nut of M4-P0.7 can only be connected with the bolt of M4-P0.7 series. Wherein locknut is one of them in the nut, and it sets up through certain structure, can prevent that this locknut from relaxing from the bolt and dropping. At present, the locknut of fixed article in life and industry generally utilizes the effect of two nut mutual restrictions to prevent locknut from loosening from the bolt and dropping, still exists because the vibration of environmental factor causes locknut to follow the phenomenon that the bolt drops, and current locknut has the installation screw in difficult, dismantles the difficulty or can't dismantle, unable used repeatedly and screw in to a certain position in bottom or reach certain power value and just can play locking effect scheduling problem. The existing anti-loosening structure still has many disadvantages, such as complex structure, high cost, need of special tools, etc.

Disclosure of Invention

An object of the utility model is to provide a modified locknut has reasonable structure setting, and is rational in infrastructure for this locknut has played further fixing bolt under the effect of power when using, and prevents that locknut is not hard up under the condition of vibrations and drops, and it is very easy to operate, and convenient the dismantlement uses more conveniently, and simple structure is fit for with mechanized batch production's advantage, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a modified locknut, includes first screw thread, nut main part and second screw thread, the top of nut main part is equipped with the locking circle, and the bottom of nut main part is equipped with fastening bolt, and the middle part of nut main part is equipped with the fixed screw that runs through the nut main part, and fixed screw in-hole connection fixing bolt is equipped with first screw thread on the inner wall of nut main part, and the below of first screw thread is equipped with the second screw thread, and the bottom of nut main part is equipped with fastening bolt, is equipped with the third screw thread on fastening bolt's the outer wall, is equipped with the fourth screw thread on fastening bolt's the inner wall.

Preferably, the fixed screw holes are arranged in two groups, are respectively positioned on two sides of the nut main body and correspond to each other, and the number of the fixed bolts is consistent with that of the fixed screw holes and is matched with the size of the fixed screw holes.

Preferably, the inner diameter of the anti-loosening ring is smaller than the inner diameter of the nut body.

Preferably, the inner diameter of the fastening bolt is consistent with the inner diameter of the anti-loosening ring, and the outer diameter of the fastening bolt is larger than the outer diameter of the nut body.

Preferably, the central position of the fastening bolt is hollow, and the third thread and the second thread of the outer wall of the fastening bolt are matched with each other.

Preferably, a nut groove is provided between the first thread and the second thread, and the size of the nut groove is slightly smaller than that of the fastening bolt.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this modified locknut, the part of fastening bolt top uses same material with the locking circle, adopts high temperature resistant elastic material preparation, hardness 35-40, and temperature resistant 400 ℃ is above, and when not surpassing the temperature resistant scope of material in the use, elasticity can not become invalid, because the pitch on locking circle both sides is less than the pitch of nut main part, guarantees that the nut zero clearance fastening can not become flexible on the bolt, and elastic material still has certain anti-skidding effect, reaches the locking effect of first layer.

2. This modified locknut comes the position of fixation nut main part on the bolt through screwing up fixing bolt, makes locknut's locking effect reach the maximize, and fastening bolt's bottom part all uses stainless steel with the nut main part, and is anticorrosive rust-resistant, durable, can prolong the life of nut main part.

3. This modified locknut, each part between this nut all passes through threaded connection, and the operation is very easy, and convenient the dismantlement is used more conveniently, and simple structure is fit for with mechanized batch production.

Drawings

FIG. 1 is an overall view of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a view of the fastening bolt of the present invention;

fig. 4 is a cross-sectional view of the nut body of the present invention;

fig. 5 is a cross-sectional view of the fixing screw hole of the present invention.

In the figure: 1. a first thread; 2. a nut body; 3. an anti-loosening ring; 4. fastening a bolt; 5. fixing the bolt; 6. fixing screw holes; 7. a second thread; 8. a third thread; 9. a fourth thread; 10. 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. 1-5, an improved anti-loose nut comprises a first thread 1, a nut body 2 and a second thread 7, wherein an anti-loose ring 3 is arranged at the top of the nut body 2, the inner diameter of the anti-loose ring 3 is smaller than that of the nut body 2, the anti-loose ring 3 is made of high-temperature resistant elastic material, the hardness is 35-40, the anti-loose ring is resistant to temperature of more than 400 ℃, the anti-loose ring is made of high-temperature resistant elastic material, when the anti-loose ring does not exceed the temperature resistant range of the material in the using process, the elasticity cannot fail, because the thread pitches at two sides of the anti-loose ring 3 are smaller than that of the nut body 2, the nut is fastened on a bolt without gaps and cannot be loosened, a fastening bolt 4 is arranged at the bottom of the nut body 2, the center of the fastening bolt 4 is hollow, the third thread 8 and the second thread 7 on the outer wall of the fastening, the outer diameter of the fastening bolt 4 is larger than the outer diameter of the nut body 2, the middle part of the nut body 2 is provided with fixing screw holes 6 penetrating through the nut body 2, fixing bolts 5 are connected in the fixing screw holes 6, the fixing screw holes 6 are arranged in two groups, are respectively positioned at two sides of the nut body 2 and correspond to each other, the number of the fixing bolts 5 is consistent with that of the fixing screw holes 6, the sizes of the fixing bolts 5 are matched, the positions of the nut body 2 on the bolts are fixed by screwing the fixing bolts 5 to achieve further anti-loosening effect, the bottom part of the fastening bolt 4 and the nut body 2 are made of the same material and are made of stainless steel materials, the bottom part and the nut body 2 are anti-corrosion and anti-rust, the service life of the nut body 2 is prolonged, the upper part and the anti-loosening ring 3 of the fastening bolt 4 are made of the same material, the inner wall of the nut body 2 is provided with a first thread 1, a second thread 7 is arranged below the first thread 1, and a nut groove 10 is arranged between the first thread 1 and the second thread 7, the size of the nut groove 10 is slightly smaller than that of the fastening bolt 4, the fastening bolt 4 is arranged at the bottom of the nut main body 2, the third thread 8 is arranged on the outer wall of the fastening bolt 4, the fourth thread 9 is arranged on the inner wall of the fastening bolt 4, when the nut main body 2 is used, the fastening bolt 4 is connected with the first thread 1 on the inner wall of the nut main body 2 through the third thread 8, when the nut main body 2 is sleeved on matched bolts, parts above the fastening bolt 4 and the anti-loosening ring 3 are made of the same material, so that both ends of the nut main body 2 have certain elasticity and certain anti-loosening effect, the position of the fixing bolt 5 is adjusted by tightening the fixing bolt 5, the nut main body 2 is further fixed, the anti-loosening effect is improved, parts between the nuts are connected through threads, the nut is convenient to disassemble, and the use is more convenient.

In conclusion, the improved locknut has reasonable structure, the locknut can further fix the bolt under the action of force when in use, and can prevent the locknut from loosening and falling off under the condition of vibration, the parts above the fastening bolt 4 and the anti-loosening ring 3 are made of the same material and are made of high-temperature-resistant elastic materials, the hardness is 35-40, the temperature resistance is over 400 ℃, when the temperature resistance range of the materials is not exceeded in the use process, the elasticity cannot lose efficacy, because the thread pitches on the two sides of the anti-loosening ring 3 are smaller than that of the nut body 2, the nut is ensured to be fastened on the bolt without clearance, the first-layer locknut effect is achieved, the material has certain hardness, the problem of fatigue cracks generated in the use process of the nut is avoided, the service life is prolonged, the position of the nut body 2 on the bolt is fixed by screwing the fixing bolt 5, reach the locking effect in second floor, make locknut's locking effect maximize, and the bottom part of fastening bolt 4 all uses stainless steel with nut main part 2, and is anticorrosive rust-resistant, durable, can prolong nut main part 2's life, and each part between this nut all passes through threaded connection, and the operation is very easy, and convenient the dismantlement is used more conveniently.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An improved locknut comprising a first thread (1), a nut body (2) and a second thread (7), characterized in that: the nut is characterized in that an anti-loosening ring (3) is arranged at the top of the nut body (2), a fastening bolt (4) is arranged at the bottom of the nut body (2), a fixed screw hole (6) penetrating through the nut body (2) is formed in the middle of the nut body (2), a fixing bolt (5) is connected in the fixed screw hole (6), a first thread (1) is arranged on the inner wall of the nut body (2), a second thread (7) is arranged below the first thread (1), the fastening bolt (4) is arranged at the bottom of the nut body (2), a third thread (8) is arranged on the outer wall of the fastening bolt (4), and a fourth thread (9) is arranged on the inner wall of the fastening bolt (4).

2. An improved locknut as claimed in claim 1, wherein: the fixing screw holes (6) are arranged in two groups, are respectively positioned on two sides of the nut main body (2) and correspond to each other, and the number of the fixing bolts (5) is consistent with that of the fixing screw holes (6) and is matched with the size of the fixing screw holes.

3. An improved locknut as claimed in claim 1, wherein: the inner diameter of the anti-loosening ring (3) is smaller than that of the nut body (2).

4. An improved locknut as claimed in claim 1, wherein: the inner diameter of the fastening bolt (4) is consistent with that of the anti-loosening ring (3), and the outer diameter of the fastening bolt (4) is larger than that of the nut body (2).

5. An improved locknut as claimed in claim 1, wherein: the center position of the fastening bolt (4) is hollow, and a third thread (8) and a second thread (7) of the outer wall of the fastening bolt (4) are matched with each other.

6. An improved locknut as claimed in claim 1, wherein: a nut groove (10) is formed between the first thread (1) and the second thread (7), and the size of the nut groove (10) is slightly smaller than that of the fastening bolt (4).

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