CN207485825U - A kind of four-way multifunctional sealing-type Closely locking nut - Google Patents

Abstract

The utility model discloses a kind of four-way multifunctional sealing-type Closely locking nuts, it is that a nut body is respectively provided at four ends of tetragonal body (4), and each nut body is realized by the receipts compressive strain of its screw thread lock respectively；Each nut body is assembled equipped with cut-off neck slot；Each nut body is equipped with the nylon ring for sealing.1 Closely locking nut is processed, the Closely locking nuts of 4 samples diversified in specifications is isolated simultaneously after assembling, has saved cost, effectively controls stock utilization, high safety and reliability, stable mechanical performance is easy to maintain.The assembly connection more demanding especially suitable for the relative positional accuracy between two connectors.

Description

A kind of four-way multifunctional sealing-type Closely locking nut

Technical field

The utility model belongs to fastener processing technique field, locks spiral shell more particularly to a kind of four-way multifunctional sealing-type height It is female.

Background technology

The main distinction of Closely locking nut and plain nut be Closely locking nut installation after can obtain as defined in locking torque with Torque is loosened, and is not easy to loosen and come off in use, there is high safety.Therefore, Closely locking nut is widely used in boat Empty space product.In general, locking torque expected from Closely locking nut and loosening torque and being obtained by closing in process.Closing in process It is the procedure that Closely locking nut must carry out.Tapered sleeve edge is slided when closing-up machine works to slide upwards perpendicular to work top, from And pressure head is pushed to advance to workpiece centre axis horizontal, and the outer bowlder at position where pressure head is expressed to nut thread, nut spiral shell Line deforms so that interference fit is formed when nut thread is assembled with matched screw thread so as to reach defined locking Torque and torque is loosened, this process is just called closing in.At present in aerospace field two components connect when self-locking nut Through playing critically important role, nearly more than 40% part is all Closely locking nut aboard, today industrial system gradually Powerful country develops new technique on certain parts, accomplishes that a part can have multiple functions simultaneously, so not only Production cost has been saved, has also effectively controlled weight, however currently available technology is still not ideal enough.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of four-way multifunctional sealing-type Closely locking nut, so as to Enough improve such product material effective rate of utilization, stability of enhancing product performance etc..

The utility model is realized in this way：

First, the utility model is such a four-way multifunctional sealing-type Closely locking nut, including tetragonal body, in tetragonal body Four ends be respectively provided with a nut body, be the first nut body, the second nut body, third nut body and the 4th nut body respectively；The One nut body, the second nut body, third nut body and the 4th nut body pass through the first screw thread, the second screw thread, third screw thread respectively Locking is realized in receipts compressive strain with the 4th screw thread；First nut body, the second nut body, third nut body and the 4th nut body difference It is used to be assembled with tetragonal body equipped with the first cut-off neck slot, the second cut-off neck slot, third cut-off neck slot and the 4th cut-off neck slot；First nut Body, the second nut body, third nut body and the 4th nut body be respectively provided with the first nylon ring of sealing, the second nylon ring, Third nylon ring and the 4th nylon ring.

Wherein, first nut body at four end of tetragonal body, the second nut body, third nut body and the 4th nut body are distributed in Screw thread specification differs, and (screw thread specification differs, such as：One end M7, another three ends M6, M5 and M4), and from the first screw thread, the second spiral shell Ladder pattern distribution is presented to the 4th screw thread specification in line, third screw thread from small to large successively；Correspondingly, the first cut-off neck slot, Two cut-off neck slots, third cut-off neck slot to the 4th cut-off neck slot size be also presented ladder pattern distribution from small to large successively, the first nylon ring, Second nylon ring, third nylon ring to the 4th nylon ring size ladder pattern distribution is also presented from small to large successively.

Assembling when by the first nut body, the second nut body, third nut body and the 4th nut body end face with it is corresponding The interaction of first nylon ring, the second nylon ring, third nylon ring and the 4th nylon ring reaches leakproofness.

The processing method of this four-way multifunctional sealing-type Closely locking nut is such：Product disposably machines, and leads to The size of the first cut-off neck slot for controlling four ends, the second cut-off neck slot, third cut-off neck slot and the 4th cut-off neck slot is crossed, meeting its performance will It asks.Good using plasticity during processing, metal grain is not broken after die-forging forming, the metal of crystal grain linear arrangement along its length The direct thermal forge-pressing-forming blank of stick, it is machined to be made.

Here plasticity is good, and metal grain is not broken after die-forging forming, the gold of crystal grain linear arrangement along its length Belong to stick and include high temperature alloy, titanium alloy, carbon structural steels, steel alloy, copper alloy and aluminium alloy bar.

Wherein, the high temperature alloy bars such as including GH2132, GH4169, GH738, GH4698, GH2696 and GH30；Titanium alloy Including TC4 and TC16 bars；Carbon structural steels include the bars such as ML35 and ML25；Steel alloy include 30CrMnSiA and The bars such as 40CrNiMoA；Copper alloy includes H62 bars；The aluminium alloy bars such as including 2A11,2A12.

This Closely locking nut of the utility model not only has locking function, but also has many advantages, such as that assembling is simple, passes through Control cut-off neck slot size effectively assembles each performance indicators such as torque to meet, time saving material-saving, while also has sealing work( Can, product disposably machines, and Product Precision is higher, and consistency of performance is preferable.

Compared with prior art, the direct thermal forge-pressing-forming shape blank of the utility model application bar improves material profit With rate, meet modern few cutting or the development trend without cutting.Material used just like：GH2132、GH4169、GH738、 The bars such as GH4698, GH2696 and GH30；Titanium alloy includes the bars such as TC4 and TC16；Carbon structural steels include ML35 and ML25 Wait bars；Steel alloy includes the bars such as 30CrMnSiA and 40CrNiMoA；Copper alloy includes H62 bars；Aluminium alloy include 2A11, The bars such as 2A12, aboard multiselect aluminum alloy materials.The plasticity that the Closely locking nut of aluminium alloy not only has material lighter, good Deformation etc..The utility model changes the single locking mechanism of traditional Closely locking nut, realizes the pluralistic function of Closely locking nut, adds 1 Closely locking nut of work isolates the Closely locking nut of 4 samples diversified in specifications simultaneously after assembling.

The utility model increases an important new product again for fastening connection piece field.1 Closely locking nut is processed, after assembling The Closely locking nut of 4 samples diversified in specifications is isolated simultaneously, has been saved cost, has effectively been controlled stock utilization, security reliability Height, stable mechanical performance are easy to maintain.The assembling more demanding especially suitable for the relative positional accuracy between two connectors Connection.

Description of the drawings

Fig. 1 is the Closely locking nut structure sectional view of the utility model；

Fig. 2 is third nut body assembling separation figure；

Fig. 3 is the second nut body assembling separation figure；

Fig. 4 is the first nut body assembling separation figure；

Fig. 5 is the 4th nut body assembling separation figure；

Reference sign：The first nut bodies of 1-, the first screw threads of 2-, the first cut-off neck slots of 3-, 4- tetragonal bodies, 5- second break neck Slot, the second screw threads of 6-, the second nut bodies of 7-, 8- third cut-off neck slots, 9- third screw threads, 10- third nut bodies, the 4th disconnected necks of 11- Slot, the 4th screw threads of 12-, the 4th nut bodies of 13-, the first nylon rings of 14-, the second nylon rings of 15-, 16- third nylon rings, 17- Four nylon rings.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and examples.

As shown in Figure 1, this four-way multifunctional sealing-type Closely locking nut of the utility model includes tetragonal body 4, in four directions Four ends of body 4 are respectively provided with a nut body, are the first nut body 1, the second nut body 7,10 and the 4th spiral shell of third nut body respectively Parent 13；First nut body 1, the second nut body 7, third nut body 10 and the 4th nut body 13 pass through the first screw thread 2, respectively Locking is realized in the receipts compressive strain of two screw threads 6,9 and the 4th screw thread 12 of third screw thread；First nut body 1, the second nut body 7, third 10 and the 4th nut body 13 of nut body is respectively equipped with the first cut-off neck slot 3, the second cut-off neck slot 5,8 and the 4th cut-off neck slot of third cut-off neck slot 11 are used to be assembled with tetragonal body 4；First nut body 1, the second nut body 7,10 and the 4th nut body 13 of third nut body divide The first nylon ring 14, the second nylon ring 15,16 and the 4th nylon ring 17 of third nylon ring of sealing She You be used for.

It is distributed in first nut body 1, the second nut body 7,10 and the 4th nut body 13 of third nut body at 4 four end of tetragonal body Screw thread specification differ, and from the first screw thread 2, the second screw thread 6, third screw thread 9 to 12 screw thread specification of the 4th screw thread successively from It is small that ladder pattern distribution is presented to big；Correspondingly, the first cut-off neck slot 3, the second cut-off neck slot 5, third cut-off neck slot 8 to the 4th cut-off neck slot 11 Size ladder pattern distribution, the first nylon ring 14, the second nylon ring 15, third nylon ring 16 to is also presented from small to large successively Ladder pattern distribution is also presented in the size of four nylon rings 17 from small to large successively.

Assembling when by the first nut body 1, the second nut body 7, third nut body 10 and 13 end face of the 4th nut body with The interaction of corresponding first nylon ring 14, the second nylon ring 15,16 and the 4th nylon ring 17 of third nylon ring reaches sealing Property.

This Closely locking nut is on the first nut body 1, the second nut body 7,10 and the 4th nut body 13 of third nut body The first screw thread 2, the second screw thread 6,9 and the 4th screw thread 12 of third screw thread is pressed to generate local deformation by receipts, have the Closely locking nut There is locking function.Product disposably machines, be distributed at 4 four end of tetragonal body sample diversified in specifications the first nut body 1, Two nut bodies 7,10 and the 4th nut body 13 of third nut body, by effectively control 4 end of tetragonal body the first cut-off neck slot 3, The size of two cut-off neck slots 5,8 and the 4th cut-off neck slot 11 of third cut-off neck slot, so as to meet the performance requirement of the Closely locking nut, during assembling Tetragonal body 4 is under the action of twisting sleeve that 1 Closely locking nut isolates 4 nut bodies, i.e. the first nut body 1, second simultaneously Nut body 7,10 and the 4th nut body 13 of third nut body, so as to change product single structure, it is effective effectively to control product Utilization rate, and pass through the first nut body 1, the second nut body 7, third nut body 10 and 13 end face of the 4th nut body and the first nylon The interaction of the 14, second nylon ring 15,16 and the 4th nylon ring 17 of third nylon ring is enclosed so as to reach sealing effect.

The manufacturing method of the utility model is using the direct thermal forge-pressing-forming blank shape of bar, machined molding. Its theoretical foundation is using advanced hitech materials, and the intensity and plasticity of material are fabulous, and crystal grain is in molding or forging forming Not broken shape is in streamline shape afterwards, i.e., the uniform full height orientation of grain flow line, material generate cold-working by molding or forging forming Its tensile strength and fatigue strength are greatly enhanced after hardening, shape memory alloy can also be applied, compression molding is anxious at high temperature Quickly cooling but, obtains arbitrary shape blank.Material therefor has high temperature alloy (such as：GH2132、GH4169、GH30、GH738、 GH4698, GH2696), titanium alloy is (such as：TC4, TC16), structural alloy steel is (such as：30CrMnSiA, 40CrNiMoA), carbon knot Structure steel is (such as：ML35, ML25), aluminium alloy is (such as：2A11、2A12).Copper alloy is (such as：The good material of plasticity such as H62).This reality With the single cooked mode of novel change tradition Closely locking nut, the pluralistic function of Closely locking nut is realized.

Certainly, it is the concrete application example of the utility model more than, the utility model also has other embodiments, all The technical solution formed using equivalent substitution or equivalent transformation is all fallen within the protection domain required by the utility model.

Claims (2)

1. a kind of four-way multifunctional sealing-type Closely locking nut, including tetragonal body（4）, it is characterised in that：In tetragonal body（4）Four ends A nut body is respectively provided with, is the first nut body respectively（1）, the second nut body（7）, third nut body（10）With the 4th nut body （13）；First nut body（1）, the second nut body（7）, third nut body（10）With the 4th nut body（13）Pass through the first spiral shell respectively Line（2）, the second screw thread（6）, third screw thread（9）With the 4th screw thread（12）Receipts compressive strain realize locking；First nut body（1）、 Second nut body（7）, third nut body（10）With the 4th nut body（13）It is respectively equipped with the first cut-off neck slot（3）, the second cut-off neck slot （5）, third cut-off neck slot（8）With the 4th cut-off neck slot（11）For with tetragonal body（4）It is assembled；First nut body（1）, the second spiral shell Parent（7）, third nut body（10）With the 4th nut body（13）It is respectively provided with the first nylon ring of sealing（14）, the second Buddhist nun Long Quan（15）, third nylon ring（16）With the 4th nylon ring（17）；Pass through the first nut body in assembling（1）, the second nut body （7）, third nut body（10）With the 4th nut body（13）End face and corresponding first nylon ring（14）, the second nylon ring（15）、 Third nylon ring（16）With the 4th nylon ring（17）Interaction reach leakproofness.

2. four-way multifunctional sealing-type Closely locking nut according to claim 1, it is characterised in that：It is distributed in tetragonal body（4） First nut body at four ends（1）, the second nut body（7）, third nut body（10）With the 4th nut body（13）Screw thread specification not It is identical, and from the first screw thread（2）, the second screw thread（6）, third screw thread（9）To the 4th screw thread（12）Screw thread specification successively from it is small to It is big that ladder pattern distribution is presented；Correspondingly, the first cut-off neck slot（3）, the second cut-off neck slot（5）, third cut-off neck slot（8）To the 4th cut-off neck slot （11）Size ladder pattern distribution, the first nylon ring is also presented from small to large successively（14）, the second nylon ring（15）, third nylon Circle（16）To the 4th nylon ring（17）Size ladder pattern distribution is also presented from small to large successively.