CN217784468U

CN217784468U - Union nut forging with good fracture resistance

Info

Publication number: CN217784468U
Application number: CN202221541750.6U
Authority: CN
Inventors: 纪文鹏; 孙允龙; 张建诚
Original assignee: Jiangsu Jinshi Casting & Forging Co ltd
Current assignee: Jiangsu Jinshi Casting & Forging Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-11-11
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a prevent union nut forging that fracture performance is good relates to union nut forging relevant field, and it is not good to prevent fracture performance for solving current union nut anti-vibration, easily leads to the high low-pressure test seepage serious, and traditional union seal structure more single its not only sealing performance poor, and life is short, the problem that the maintenance rate is high. The utility model discloses a nut, including nut, pressure resistant layer, top pressure cover, outer ring post, first joint and second joint, the inside of nut is provided with the threaded connection layer, the surface on threaded connection layer is provided with the anti-pressure layer, the surface on anti-pressure layer is provided with the top and presses the cover, the surface of top pressure cover is provided with the top pressure post, the surface of nut is provided with the outer ring post, the internal surface on threaded connection layer threaded connection has first joint and second joint respectively, the surface that first joint and second connect all is provided with the sealing washer, the surface that the top was pressed the cover is provided with the spring, the internal surface of spring is provided with flexible post.

Description

Union nut forging with good fracture resistance

Technical Field

The utility model relates to a union nut forging relevant field specifically is a prevent union nut forging that fracture performance is good.

Background

The union or union is a common pipeline connecting piece which can be conveniently assembled and disassembled, is called a pipe connector or a movable connector, is a common pipeline connecting piece which can be conveniently assembled and disassembled, is a pipe fitting for connecting two pipes, can separate the two pipes without moving the pipes, and is convenient to maintain.

In the prior art, chinese patent publication No. CN205917012U discloses a high-strength fracture-preventing screw nut, which includes a lengthened screw rod, an internal thread cylinder, a cylindrical nut and a flange nut, wherein a flange nut is welded at one end of the cylindrical nut, a gasket is embedded at the outer side of the cylindrical nut, a key pressing screw is arranged at one side of the gasket, a key-up threaded hole is arranged at one end of the key pressing screw, triangular support blocks are welded between the flange nut and the cylindrical nut at equal intervals, and the lengthened screw rod is sleeved inside the cylindrical nut and the flange nut; set up to bilayer structure further improvement cylinder nut's intensity through screw-nut, make it difficult fracture, add lubricating oil through the oil filler point in the cavity intermediate layer and spill from the oil leak hole, the effectual lubricated effect that plays, unnecessary lubricating oil flooding is in the cotton intra-annular of oil absorption, lubricating oil continuous outflow under the effect of centrifugal force when cylinder nut rotates plays the effect of automatic filling lubricating oil.

The nut anti-fracture structure and the sealing structure in the patent are single, the sealing performance is poor, the maintenance rate is high and easy, the leakage of high and low pressure tests is serious, and the problems existing at present need to be improved

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent union nut forging that fracture performance is good to solve general union nut anti vibration that proposes in the above-mentioned background art and prevent that fracture performance is not good, it is serious easily to lead to the high-low pressure test seepage, and traditional union seal structure more single its not only sealing performance is poor, and life is short, the high problem of maintenance rate.

In order to achieve the above object, the utility model provides a following technical scheme: a union nut forging with good fracture resistance comprises a nut, wherein a threaded connection layer is arranged inside the nut, a compression resistant layer is arranged on the outer surface of the threaded connection layer, a compression resistant sleeve is arranged on the outer surface of the compression resistant layer, a compression resistant column is arranged on the outer surface of the compression resistant sleeve, an outer annular column is arranged on the outer surface of the nut, a first joint and a second joint are respectively in threaded connection with the inner surface of the threaded connection layer, sealing rings are arranged on the outer surfaces of the first joint and the second joint, a spring is arranged on the outer surface of the compression resistant sleeve, and a telescopic column is arranged on the inner surface of the spring, carry out threaded connection with first joint and second joint through the threaded connection layer of the inside setting of nut when using, can produce great stamping force when high-pressure fluid passes through the pipeline flow direction and connects the kneck through first joint and second, through setting up the compressive layer at the surface on threaded connection layer, make increase the compressive force of threaded connection layer and nut inside, and set up the top pressure post through the surface at the top pressure cover, the compressive tension of nut inner wall is further increased through the mating reaction of top pressure post and spring, and by the cooperation of the flexible post of spring rather than the internal surface setting, when the inner wall of nut receives great stamping force, can play top pressure buffering effect, thereby make the anti-vibration of nut prevent that the fracture performance is better, reduce its maintenance cost.

In a further embodiment, the number of the jacking columns and the number of the springs are a plurality, the jacking columns and the springs are distributed on the outer surface of the jacking sleeve in an annular array manner, and the jacking columns and the springs are distributed on the outer surface of the jacking sleeve in an annular array staggered manner, so that the bearing effect of the jacking sleeve is more balanced, and the jacking protection effect on the nut is better.

In further embodiment, the number of outer ring post has a plurality of, and the surface of a plurality of outer ring post all is provided with the wearing layer, because the outer ring post is outside extension formula, consequently can increase its stand wear and tear effect through set up the wearing layer at the surface of outer ring post, increases the guard action to the nut, prolongs its life.

In a further embodiment, the both ends of nut all cup joint flexible bag, flexible bag's both ends all are provided with sealed interface, are convenient for be connected elastic sealing ring through flexible bag and sealed interface's setting, make its better butt joint outside further sealed.

In a further embodiment, an elastic sealing ring is arranged on the inner surface of the sealing interface, a corrosion-resistant layer is arranged on the inner surface of the elastic sealing ring, and the elastic sealing ring is used for sealing and reinforcing the outer parts of the first joint and the second joint, so that the sealing effect is better, and the jet flow phenomenon is prevented.

In a further embodiment, the both sides face of outer ring post all is provided with the gasket, the surface of gasket is provided with the compression ring, makes two liang of outer ring posts connect through the gasket with the compression ring, has increased the anti vibration stabilizing effect of outer ring post, makes its and nut's stabilizing effect better.

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

1. the utility model discloses an in, through the nut, the threaded connection layer, the compressive layer, the top is pressed the cover, the top compression leg, the outer ring post, first joint and second joint, first joint, the second connects, the sealing washer, cooperation setting between spring and the flexible post, can make this device when using, threaded connection layer through the inside setting of nut carries out threaded connection with first joint and second joint when using, can produce great punching press force when high-pressure fluid passes through the pipeline flow direction and connects the kneck through first joint and second, surface through at the threaded connection layer sets up the compressive layer, make increase the compressive force of threaded connection layer and nut inside, and set up the top compression leg through the surface at the top compression cover, further increase the compressive tension of nut inner wall through the cooperation of top compression leg and spring, and the cooperation of the flexible post that sets up rather than the internal surface, when the inner wall of nut receives great punching press force, can play the top pressure buffering effect, thereby make the anti-vibration fracture performance of nut better, it maintains the cost to reduce.

2. The utility model discloses an in, through the top compression post, a spring, the wearing layer, the elastic sealing circle, the corrosion resistant layer, cooperation setting between gasket and the anti-compression ring, can make this device when using, be the surface of annular array alternating expression distribution at the top compression cover through a plurality of top compression post and spring, can make the pressure-bearing effect of top compression cover more balanced, thereby it is better to the roof pressure protecting effect of nut to make it, because the outer ring post is outside extension formula, consequently, it can increase its stand wear and tear effect to set up the wearing layer through the surface at the outer ring post, increase the guard action to the nut, prolong its life, seal the reinforcement in the outside that first joint and second connect through the elastic sealing circle, it is better to make its sealed effect, prevent the jet phenomenon from taking place, will make two liang of outer ring post connect through the gasket, the anti-vibration stabilizing effect of outer ring post has been increased, make its stabilizing effect with the nut better.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the top laminate of the present invention;

fig. 3 is a schematic structural view of the elastic sealing ring of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention.

In the figure: 1. a nut; 2. a threaded connection layer; 3. a pressure resistant layer; 4. pressing the sleeve; 5. pressing the column; 6. An outer ring column; 7. a first joint; 8. a second joint; 9. a seal ring; 10. a spring; 11. a telescopic column; 12. a wear layer; 13. an elastic bellows; 14. sealing the interface; 15. an elastic sealing ring; 16. a corrosion resistant layer; 17. a gasket; 18. and an anti-compression ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-4, the present invention provides an embodiment of a union nut forging with good fracture resistance: a union nut forging with good fracture resistance comprises a nut 1, a threaded connection layer 2 is arranged inside the nut 1, a pressure-resistant layer 3 is arranged on the outer surface of the threaded connection layer 2, a jacking sleeve 4 is arranged on the outer surface of the pressure-resistant layer 3, a jacking column 5 is arranged on the outer surface of the jacking sleeve 4, an outer ring column 6 is arranged on the outer surface of the nut 1, a first joint 7 and a second joint 8 are respectively in threaded connection with the inner surface of the threaded connection layer 2, sealing rings 9 are arranged on the outer surfaces of the first joint 7 and the second joint 8, a spring 10 is arranged on the outer surface of the jacking sleeve 4, a telescopic column 11 is arranged on the inner surface of the spring 10, the first joint 7 and the second joint 8 are in threaded connection through the threaded connection layer arranged inside the nut 1 when the union nut is used, when high-pressure fluid flows through the pipeline and flows through the first connector 7 and the second connector 8, a large punching force is generated, the anti-pressure layer 3 is arranged on the outer surface of the threaded connection layer 2, the anti-pressure force between the threaded connection layer 2 and the inner part of the nut 1 is increased, the jacking column 5 is arranged on the outer surface of the jacking sleeve 4, the anti-pressure tension of the inner wall of the nut 1 is further increased through the cooperation of the jacking column 5 and the spring 10, the spring 10 is matched with the telescopic column 11 arranged on the inner surface of the spring 10, when the inner wall of the nut 1 is subjected to a large punching force, the jacking buffering effect can be achieved, the anti-vibration and anti-fracture performance of the nut 1 is better, and the maintenance cost of the anti-vibration and anti-fracture performance is reduced

Further, the quantity of top pressing column 5 and spring 10 all has a plurality of, and a plurality of top pressing column 5 and spring 10 all are the surface that annular array distributes at top pressing cover 4, are the surface that annular array staggered form distributes at top pressing cover 4 through a plurality of top pressing column 5 and spring 10, can make the pressure-bearing effect of top pressing cover 4 more balanced to it is better to make its roof pressure protective effect to nut 1.

Further, the quantity of outer ring post 6 has a plurality of, and the surface of a plurality of outer ring post 6 all is provided with wearing layer 12, because outer ring post 6 is outside extension formula, consequently can increase its wear-resisting effect through setting up wearing layer 12 at the surface of outer ring post 6, increases the guard action to nut 1, prolongs its life.

Further, the both ends of nut 1 all cup joint flexible bag 13, and flexible bag 13's both ends all are provided with sealing interface 14, are convenient for be connected elastic sealing ring 15 through flexible bag 13 with sealing interface 14's setting, make its better butt joint outside further sealed.

Furthermore, the inner surface of the sealing interface 14 is provided with an elastic sealing ring 15, the inner surface of the elastic sealing ring 15 is provided with a corrosion-resistant layer 16, and the elastic sealing ring 15 is used for sealing and reinforcing the outer parts of the first joint 7 and the second joint 8, so that the sealing effect is better, and the jet flow phenomenon is prevented.

Further, both sides face of outer ring post 6 all is provided with gasket 17, and the surface of gasket 17 is provided with compression resisting ring 18, makes outer ring post 6 two liang connect with compression resisting ring 18 through gasket 17, has increased outer ring post 6's anti-vibration stabilizing effect, makes its stabilizing effect with nut 1 better.

The working principle is as follows: through the matching arrangement of the nut 1, the threaded connection layer 2, the compression-resistant layer 3, the jacking sleeve 4, the jacking column 5, the outer ring column 6, the first joint 7, the second joint 8, the sealing ring 9, the spring 10 and the telescopic column 11, when the device is used, the first joint 7 and the second joint 8 are in threaded connection through the threaded connection layer arranged in the nut 1, when high-pressure fluid flows to pass through the joint of the first joint 7 and the second joint 8 through a pipeline, larger stamping force can be generated, the compression-resistant layer 3 is arranged on the outer surface of the threaded connection layer 2, so that the compression-resistant pressure between the threaded connection layer 2 and the nut 1 is increased, the jacking column 5 is arranged on the outer surface of the jacking sleeve 4, and the compression-resistant tension of the inner wall of the nut 1 is further increased through the matching action of the jacking column 5 and the spring 10, and by the cooperation of the spring 10 and the telescopic column 11 arranged on the inner surface thereof, when the inner wall of the nut 1 is subjected to a larger punching force, the jacking buffer effect can be achieved, so that the anti-vibration and anti-fracture performance of the nut 1 is better, the maintenance cost of the nut is reduced, the bearing effect of the jacking sleeve 4 can be more balanced by the cooperation arrangement of the jacking columns 5, the spring 10, the wear-resistant layer 12, the elastic sealing ring 15, the corrosion-resistant layer 16, the gasket 17 and the anti-compression ring 18, so that the jacking protective effect of the jacking sleeve 1 is better due to the fact that the jacking columns 5 and the spring 10 are distributed on the outer surface of the jacking sleeve 4 in an annular array staggered manner, the wear-resistant effect can be increased by arranging the wear-resistant layer 12 on the outer surface of the outer ring column 6 due to the outward extension of the outer ring column 6, the protective effect of the nut 1 is increased, and the service life of the nut is prolonged, the elastic sealing ring 15 is used for sealing and reinforcing the outer parts of the first joint 7 and the second joint 8, so that the sealing effect is better, the jet flow phenomenon is prevented, the compression resistant rings 18 are connected with the outer ring columns 6 pairwise through the gaskets 17, the anti-vibration stabilizing effect of the outer ring columns 6 is improved, and the stabilizing effect of the outer ring columns and the stabilizing effect of the nut 1 are better.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a prevent union nut forging that fracture performance is good, includes nut (1), its characterized in that: the utility model discloses a nut for the automobile seat, including nut (1), the inside of nut (1) is provided with threaded connection layer (2), the surface of threaded connection layer (2) is provided with compressive layer (3), the surface of compressive layer (3) is provided with top pressure cover (4), the surface of top pressure cover (4) is provided with top pressure post (5), the surface of nut (1) is provided with outer ring post (6), the internal surface of threaded connection layer (2) threaded connection respectively has first joint (7) and second to connect (8), the surface that first joint (7) and second connect (8) all is provided with sealing washer (9), the surface of top pressure cover (4) is provided with spring (10), the internal surface of spring (10) is provided with flexible post (11).

2. The union nut forging with good fracture resistance as recited in claim 1, wherein: the number of the jacking columns (5) and the number of the springs (10) are respectively a plurality, and the jacking columns (5) and the springs (10) are distributed on the outer surface of the jacking sleeve (4) in an annular array manner.

3. The union nut forging with good fracture resistance as recited in claim 1, wherein: the number of the outer ring columns (6) is provided with a plurality of, and the outer surfaces of the outer ring columns (6) are provided with wear-resistant layers (12).

4. The union nut forging with good fracture resistance as recited in claim 1, wherein: the two ends of the nut (1) are respectively sleeved with an elastic telescopic bag (13), and the two ends of the elastic telescopic bags (13) are respectively provided with a sealing interface (14).

5. The union nut forging with good fracture resistance as recited in claim 4, wherein: an elastic sealing ring (15) is arranged on the inner surface of the sealing interface (14), and a corrosion-resistant layer (16) is arranged on the inner surface of the elastic sealing ring (15).

6. The union nut forging with good fracture resistance as recited in claim 1, wherein: both sides face of outer ring post (6) all is provided with gasket (17), the surface of gasket (17) is provided with compression resistance ring (18).