CN212080396U

CN212080396U - Stainless steel pipe fitting

Info

Publication number: CN212080396U
Application number: CN202020784685.4U
Authority: CN
Inventors: 叶德余; 彭荣奎; 谭启勇
Original assignee: Wenzhou Kanton Ept Co ltd
Current assignee: Wenzhou Kanton Ept Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-12-04
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a stainless steel pipe fitting, including joint and two bodys, it is provided with the internal thread, two to connect inner wall axial one side outer wall of body equal circumference be provided with internal thread matched with external screw thread, the elastic first sealed rope of spiral winding between the internal screw thread, the elastic second sealed rope of spiral winding between the screw thread of external screw thread. The utility model has the advantages of it is following and effect: through setting up the sealed rope of the first sealed rope second of the concurrent complex with internal thread and external screw thread, thoroughly eliminate the clearance that exists between the internal thread and the external screw thread cooperation back thread for the pipe fitting has the advantage of high leakproofness.

Description

Stainless steel pipe fitting

Technical Field

The utility model relates to a water treatment facilities field, in particular to stainless steel pipe fitting.

Background

The stainless steel pipe fitting is a general name of various stainless steel pipeline connecting workpieces and can be equally divided into different categories according to shapes, purposes and connecting modes. The pipeline has the characteristics of convenience in installation, high performance, durability and the like, and is widely applied to construction and installation of various pipelines.

When traditional stainless steel pipe fittings are connected, two pipe bodies are usually directly connected with joints in a threaded mode, but rigid threaded matching inevitably causes gaps, so that the tightness of the pipe fittings is poor, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stainless steel pipe fitting has the effect of high leakproofness.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a stainless steel pipe fitting, includes and connects and two bodys, it is provided with the internal thread to connect the inner wall axial, two the equal circumference of one side outer wall of body be provided with internal thread matched with external screw thread, the elastic first sealed rope of spiral winding between the internal screw thread, the elastic second sealed rope of spiral winding between the screw thread of external screw thread.

Through adopting above-mentioned technical scheme, when using above-mentioned pipe fitting, respectively with the pipe fitting alignment joint, rotatory pipe fitting or joint when the screw-thread fit through internal thread and external screw thread realizes the assembly of pipe fitting, first sealed rope and second sealed rope can effectively improve internal thread and external screw thread fit's magnitude of interference, compress tightly the second through the internal thread tooth simultaneously and seal the rope, the tooth of external screw thread compresses tightly first sealed rope, come thoroughly to eliminate the clearance that exists between internal thread and the external screw thread fit back tooth, make the pipe fitting have the advantage of high leakproofness.

The utility model discloses a further set up to: the diameter of the first sealing rope is smaller than the thread height of the internal thread, and the diameter of the second sealing rope is smaller than the thread height of the external thread.

Through adopting above-mentioned technical scheme, because the diameter of two sealed ropes all is less than corresponding thread height for the cooperation of internal thread and external screw thread is lighter, thereby makes the assembling process of pipe fitting more smooth. When internal thread and external screw thread compressed tightly corresponding sealed rope simultaneously, elastic sealed rope took place deformation and wrapped up the coping position of thread, clearance between the thread when further eliminating internal thread and external screw thread cooperation further improves the leakproofness of pipe fitting.

The utility model discloses a further set up to: the internal thread is a bidirectional thread.

Through adopting above-mentioned technical scheme, through setting up two-way screw, when the in-process of needs assembly or dismantlement pipe fitting, only need revolve to twist and twist the joint and can realize assembly and dismantlement when two bodys, improve the work efficiency when assembling and dismantling the pipe fitting to improve the practicality of pipe fitting.

The utility model discloses a further set up to: two the one end that the body is close to each other all overlaps and is equipped with and be used for contradicting the spacing ring of joint tip.

Through adopting above-mentioned technical scheme, through setting up the spacing ring to realize the injecing of pipe fitting movement distance, realize the rapid Assembly of body, improve the whole leakproofness of body simultaneously.

The utility model discloses a further set up to: two the spacing ring one end terminal surface that is close to each other all be provided with the screwed pipe, the screw thread direction of screwed pipe is rather than the place the screw thread direction of the external screw thread of body one end is the same, the both ends tip that connects all is provided with the confession screwed pipe threaded connection's thread groove.

Through adopting above-mentioned technical scheme, when the in-process of assembling the pipe fitting, drive the screwed pipe through the body and rotate to realize the cooperation of screwed pipe and thread groove, after screwed pipe and thread groove cooperation, the parcel lived the link that connects with the body, further increased the leakproofness of pipe fitting, can also prevent simultaneously that the link that connects with the body from being corroded, further improved the practicality of pipe fitting.

The utility model discloses a further set up to: and a regular hexagonal mounting ring is arranged on the outer wall of the joint.

Through adopting above-mentioned technical scheme, through setting up regular hexagon's collar for connect can adaptation instruments such as spanner, the structural strength that the collar can effectively improve the joint simultaneously, further improves the practicality.

The utility model discloses a further set up to: one end of the pipe body close to the joint is provided with a guide surface.

By adopting the technical scheme, the guide surface is arranged, so that the pipe fitting assembling process has a good guide effect, and the working efficiency of the pipe fitting assembling process is improved.

To sum up, the utility model discloses following beneficial effect has:

1. through arranging the first sealing rope and the second sealing rope which are matched with the internal thread and the external thread simultaneously, the gap between the threads after the internal thread and the external thread are matched is thoroughly eliminated, so that the pipe fitting has the advantage of high sealing property;

2. the diameters of the two sealing ropes are smaller than the heights of the corresponding threads, so that when the corresponding sealing ropes are tightly pressed by the internal threads and the external threads, the elastic sealing ropes deform and wrap the jacking positions of the threads, the gap between the threads when the internal threads are matched with the external threads is further eliminated, and the sealing property of the pipe fitting is further improved;

3. by arranging the bidirectional threads, when the pipe fitting needs to be assembled or disassembled, the two pipe bodies can be assembled and disassembled simultaneously only by screwing the joint, so that the working efficiency of assembling and disassembling the pipe fitting is improved, and the practicability of the pipe fitting is improved;

4. the screwed pipe and the thread groove of the connecting end of the joint and the pipe body can be wrapped through the arrangement, the sealing performance of the pipe fitting is further increased, meanwhile, the connecting end of the joint and the pipe body can be prevented from being corroded, and the practicability of the pipe fitting is further improved.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

fig. 2 is a sectional view of the embodiment.

Reference numerals: 1. a joint; 2. a pipe body; 3. a mounting ring; 4. an internal thread; 5. an external thread; 6. a guide surface; 7. a first sealing rope; 8. a second sealing rope; 9. a limiting ring; 10. a threaded pipe; 11. a thread groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the stainless steel pipe fitting comprises a joint 1 and two pipe bodies 2, wherein a regular hexagon mounting ring 3 is arranged on the outer wall of the joint 1, an internal thread 4 is axially arranged on the inner wall of the joint 1, and the internal thread 4 is a bidirectional thread. The equal circumference of one side outer wall of two bodys 2 is provided with the external screw thread 5 with internal thread 4 matched with, and body 2 is close to the one end that connects 1 and all is provided with spigot surface 6.

When the stainless steel pipe fitting is applied, the two pipe bodies 2 are respectively aligned to ports at two ends of the joint 1, and then the two pipe bodies 2 are respectively rotated, so that the external threads 5 of the pipe bodies 2 are matched with the internal threads 4 of the joint 1, and pre-tightening is realized. Because the internal thread 4 is two-way screw thread, only need to drive through spanner rotating collar 3 and connect 1 to rotate, can realize the assembly when two bodys 2, until the external screw thread 5 of body 2 complete with the internal thread 4 cooperation back, realize the installation of stainless steel pipe fitting.

As shown in fig. 1 and 2, an elastic first seal cord 7 is spirally wound between the threads of the internal thread 4, and the diameter of the first seal cord 7 is smaller than the height of the threads of the internal thread 4. An elastic second sealing rope 8 is spirally wound between the threads of the external thread 5, and the diameter of the second sealing rope 8 is smaller than the height of the threads of the external thread 5.

When using above-mentioned stainless steel pipe fitting, through rotary joint 1 and when the screw-thread fit through internal thread 4 and external screw thread 5 realized the assembly of pipe fitting, first sealed rope 7 and second sealed rope 8 can effectively improve the interference magnitude of internal thread 4 and external screw thread 5 complex. Simultaneously, the thread through internal thread 4 compresses tightly second sealed rope 8, and the thread of external screw thread 5 compresses tightly first sealed rope 7, thoroughly eliminates the clearance that exists between the thread after internal thread 4 and the cooperation of external screw thread 5 for the pipe fitting has the advantage of high leakproofness.

Because the diameters of the two sealing ropes are smaller than the corresponding thread heights, the matching of the internal thread 4 and the external thread 5 is easier, and the assembling process of the pipe fitting is smoother. When internal thread 4 and external screw thread 5 compress tightly corresponding sealed rope simultaneously, elastic sealed rope takes place deformation and wraps up the coping position of thread, and the clearance between the thread when further eliminating internal thread 4 and the cooperation of external screw thread 5 further improves the leakproofness of pipe fitting.

As shown in fig. 1 and 2, two equal fixedly connected with in one end that body 2 is close to each other have be used for contradicting the spacing ring 9 that connects 1 tip, the equal fixedly connected with screwed pipe 10 of the one end terminal surface that two spacing rings 9 are close to each other, the screw thread direction of screwed pipe 10 is the same with the screw thread direction of the external screw thread 5 of body 2 one end rather than place, the both ends tip that connects 1 all fixes the thread groove 11 that is provided with confession screwed pipe 10 threaded connection.

When using above-mentioned stainless steel pipe fitting, drive screwed pipe 10 through body 2 and rotate to realize screwed pipe 10 and thread groove 11's cooperation, screwed pipe 10 and 11 cooperation backs of thread groove, the parcel lives the link that connects 1 and body 2, further increases the leakproofness of pipe fitting, can also prevent simultaneously that the link that connects 1 and body 2 from being corroded, further improves the practicality of pipe fitting.

The utility model discloses a theory of operation does: when matching through body 2 and joint 1, internal thread 4 and external screw thread 5 carry out the screw thread cooperation, compress tightly two sealed ropes between the thread of internal thread 4 and external screw thread 5, and elastic sealed rope takes place to deform and wraps up the coping position of thread, clearance between the thread when eliminating internal thread 4 and the 5 cooperations of external screw thread to realize body 2 and the absolute seal who connects 1. Meanwhile, after the threaded pipe 10 is matched with the threaded groove 11, the connecting end of the joint 1 and the pipe body 2 is wrapped, and the sealing performance of the pipe fitting is further improved.

The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a stainless steel pipe fitting, includes and connects (1) and two bodys (2), connect (1) inner wall axial and be provided with internal thread (4), two the equal circumference of one side outer wall of body (2) be provided with internal thread (4) matched with external screw thread (5), its characterized in that: elastic first sealing rope (7) is spirally wound between the threads of the internal thread (4), and elastic second sealing rope (8) is spirally wound between the threads of the external thread (5).

2. A stainless steel pipe fitting according to claim 1, wherein: the diameter of the first sealing rope (7) is smaller than the thread height of the internal thread (4), and the diameter of the second sealing rope (8) is smaller than the thread height of the external thread (5).

3. A stainless steel pipe fitting according to claim 2, wherein: the internal thread (4) is a bidirectional thread.

4. A stainless steel pipe fitting according to claim 1, wherein: two the one end that body (2) are close to each other all is provided with and is used for conflicting spacing ring (9) of joint (1) tip.

5. A stainless steel pipe fitting according to claim 4, wherein: two the one end terminal surface that spacing ring (9) are close to each other all is provided with screwed pipe (10), the screw thread direction of screwed pipe (10) is the same rather than the place the screw thread direction of external screw thread (5) of body (2) one end, the both ends tip that connects (1) all is provided with the confession screwed pipe (10) threaded connection's thread groove (11).

6. A stainless steel pipe fitting according to claim 5, wherein: the outer wall of the joint (1) is provided with a regular hexagon mounting ring (3).

7. A stainless steel pipe fitting according to claim 1, wherein: one end of the pipe body (2) close to the joint (1) is provided with a guide surface (6).