CN217634351U - Stainless steel pipe fitting convenient to built-up connection - Google Patents

Stainless steel pipe fitting convenient to built-up connection Download PDF

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Publication number
CN217634351U
CN217634351U CN202221871988.5U CN202221871988U CN217634351U CN 217634351 U CN217634351 U CN 217634351U CN 202221871988 U CN202221871988 U CN 202221871988U CN 217634351 U CN217634351 U CN 217634351U
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China
Prior art keywords
steel pipe
wall
thread
sleeve
connection
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CN202221871988.5U
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Chinese (zh)
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杨孟宇
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Cangzhou Houde Stainless Steel Products Co ltd
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Cangzhou Houde Stainless Steel Products Co ltd
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Abstract

The utility model discloses a stainless steel pipe fitting convenient for combination and connection, which belongs to the field of stainless steel pipe fittings and comprises a sleeve, wherein the inner wall of one end part of the sleeve is provided with a thread; the outer wall of one end part of the steel pipe is provided with an internal thread, and the inner wall of the steel pipe is provided with an external thread; a plug-in steel pipe. The stainless steel pipe fitting convenient for combination and connection of the utility model is provided with the plug connector integrally at one end part of the plug steel pipe and is provided with the plug groove and the plug thread by slotting between the inner wall and the outer wall of the plug connector, and the internal thread and the external thread which are arranged at one end part of the steel pipe are matched to realize the threaded connection of the steel pipe and the plug steel pipe; through the gliding sleeve of steel pipe outer wall and the fixed external member of grafting steel pipe outer wall, the compression of cooperation sleeve to the shrink piece makes the shrink piece form the centre gripping effect to the steel pipe outer wall, and then realizes the outside screw thread reinforcement of steel pipe and grafting steel pipe, realizes the dual thread combined connection of steel pipe and grafting steel pipe, promotes the steadiness and the anti-drop effect after this stainless steel pipe connection.

Description

Stainless steel pipe fitting convenient to built-up connection
Technical Field
The utility model belongs to stainless steel pipe fitting field, concretely relates to stainless steel pipe fitting convenient to built-up connection.
Background
The stainless steel pipe fitting is a general name of various stainless steel pipeline connecting workpieces, can be equally divided into different categories according to shapes, purposes and connecting modes, has the characteristics of convenience in installation, high performance, durability and the like, and is widely applied to construction and installation of various pipelines.
Commonly used stainless steel pipe spare often need carry out the built-up connection with a plurality of stainless steel pipe spares owing to length is not enough in the middle of using, and difficult dismantling and changing after need using professional instrument and integrated into one piece if the welding, other single connected mode produce easily when bearing more frequent vibration not hard up, have the risk of slippage in the middle of using. Therefore, the improvement of the stainless steel pipe fitting convenient for combination and connection is provided.
SUMMERY OF THE UTILITY MODEL
To prior art's above defect or improve in the demand one or more, the utility model provides a stainless steel pipe fitting convenient to built-up connection has double thread built-up connection, anti-drop's advantage.
In order to achieve the purpose, the utility model provides a stainless steel pipe fitting convenient for combination and connection, which comprises a sleeve, wherein the inner wall of one end part of the sleeve is provided with a thread;
the outer wall of one end of the steel pipe is provided with an internal thread, and the inner wall of one end of the steel pipe is provided with an external thread;
the steel pipe comprises a splicing steel pipe, wherein one end part of the splicing steel pipe is integrally provided with a splicing head, a splicing groove is formed between the inner wall and the outer wall of the splicing head, and the two side walls of the splicing groove are provided with splicing threads;
one end of the sleeve is integrally provided with four shrinkage blocks, and the outer wall of each shrinkage block is provided with shrinkage threads;
the steel pipe is connected with the splicing steel pipe in a combined manner through the internal thread, the external thread and the splicing thread, and the sleeve is connected with the sleeve in a combined manner through the thread and the thread of the contraction thread.
As a further improvement of the utility model, the sleeve is hollow and conical, the inner wall of the thicker end of the sleeve is provided with a thread, and the inner wall of the thinner end of the sleeve is jointed with the outer wall of the steel pipe to keep sliding; the threads are adapted to the converging threads.
As a further improvement of the utility model, the plug thread respectively with the internal thread with external screw thread looks adaptation, the inserting groove bottom is equipped with an annular seal.
As a further improvement, the fluting of grafting steel pipe outer wall is equipped with an annular spacing groove, the external member is kept away from the other end an organic whole of shrink piece is equipped with an annular spacing ring, the spacing ring with spacing groove looks adaptation, the external member passes through the spacing ring is fixed on the grafting steel pipe outer wall just the shrink piece with the same orientation of inserting groove.
As a further improvement, the laminating of external member inner wall grafting steel pipe outer wall, four shrink parallel and length of piece is greater than bayonet joint length, four all have the gap between the shrink piece and establish to the shrink groove.
Generally, through the utility model above technical scheme who conceives compares with prior art, the beneficial effect who has includes:
the stainless steel pipe convenient for combination and connection of the utility model is provided with the plug connector integrally at one end part of the plug steel pipe and is provided with the plug slot and the plug thread by slotting between the inner wall and the outer wall of the plug connector, and the internal thread and the external thread which are arranged at one end part of the steel pipe are matched to realize the threaded connection of the steel pipe and the plug steel pipe; through the gliding sleeve of steel pipe outer wall and the fixed external member of grafting steel pipe outer wall, the compression of cooperation sleeve to the shrink piece makes the shrink piece form the centre gripping effect to the steel pipe outer wall, and then realizes the outside screw thread reinforcement of steel pipe and grafting steel pipe, realizes the dual thread combined connection of steel pipe and grafting steel pipe, promotes the steadiness and the anti-drop effect after this stainless steel pipe connection.
Drawings
FIG. 1 is a schematic view of the split structure of the present invention;
FIG. 2 is a schematic view of the side view structure of the present invention;
FIG. 3 is a schematic view of the main sectional structure of the present invention;
fig. 4 is a schematic view of the overall structure of the present invention.
In all the figures, the same reference numerals denote the same features, in particular: 1. a sleeve; 11. A thread; 2. a steel pipe; 21. an internal thread; 22. an external thread; 3. inserting a steel pipe; 31. a limiting groove; 32. A plug-in connector; 33. inserting grooves; 34. inserting threads; 35. a seal ring; 4. a kit; 41. a shrinking block; 42. shrinking the threads; 43. a contraction groove; 44. a limiting ring.
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 efforts all belong to the protection scope of the present invention.
Examples
As shown in figures 1-4, a stainless steel pipe fitting convenient for combination and connection comprises a sleeve 1, wherein the inner wall of one end part of the sleeve 1 is provided with threads 11;
the outer wall of one end part of the steel pipe 2 is provided with an internal thread 21, and the inner wall of one end part of the steel pipe 2 is provided with an external thread 22;
the steel pipe 3 is inserted, one end of the steel pipe 3 is integrally provided with a plug 32, a slot 33 is arranged between the inner wall and the outer wall of the plug 32, and two side walls of the slot 33 are provided with inserting threads 34;
one end of the sleeve 4 is integrally provided with four contraction blocks 41, and the outer wall of each contraction block 41 is provided with contraction threads 42;
the steel pipe 2 is kept in combined connection with the inserted steel pipe 3 through the threaded connection of the internal thread 21, the external thread 22 and the inserted thread 34, and the sleeve 1 is kept in combined connection with the sleeve 4 through the threaded connection of the thread 11 and the contraction thread 42.
In the embodiment, the plug-in connector 32 is integrally arranged at one end part of the plug-in steel pipe 3, the plug-in groove 33 and the plug-in thread 34 are arranged between the inner wall and the outer wall of the plug-in connector 32, and the threaded connection between the steel pipe 2 and the plug-in steel pipe 3 is realized by matching with the internal thread 21 and the external thread 22 arranged at one end part of the steel pipe 2; through the gliding sleeve 1 of steel pipe 2 outer wall and the fixed external member 4 of 3 outer walls of grafting steel pipe, cooperation sleeve 1 makes shrink piece 41 form the centre gripping effect to the steel pipe 2 outer wall to the compression of shrink piece 41, and then realizes the outside screw thread reinforcement of steel pipe 2 and grafting steel pipe 3, realizes the double thread built-up connection of steel pipe 2 and grafting steel pipe 3.
Specifically, referring to fig. 1-2, the sleeve 1 is hollow and conical, the inner wall of the thicker end of the sleeve 1 is provided with a thread 11, and the inner wall of the thinner end of the sleeve 1 is attached to the outer wall of the steel pipe 2 and keeps sliding; the thread 11 is adapted to the converging thread 42.
In this embodiment, the sleeve 1 is provided with the hollow cone-shaped matching screw thread 11 and the contraction screw thread 42, so that the sleeve 1 compresses the tip part of the contraction block 41 when rotating deeply, so that all the four contraction blocks 41 contract inwards, thereby forming a clamping effect.
Specifically, referring to fig. 1-3, the plug thread 34 is respectively matched with the internal thread 21 and the external thread 22, and the bottom of the plug groove 33 is provided with an annular sealing ring 35.
In this embodiment, the steel pipe 2 is rotated and extended deeply to be in threaded connection with the plug 32 by the matching of the plug thread 34 and the internal thread 21 and the external thread 22, and the steel pipe 2 is kept in good sealing after being completely inserted by the matching of the sealing ring 35 at the bottom of the plug 32.
Specifically, referring to fig. 1 to 4, an annular limiting groove 31 is formed in an outer wall of the inserted steel tube 3, an annular limiting ring 44 is integrally arranged at the other end of the sleeve 4 away from the contraction block 41, the limiting ring 44 is matched with the limiting groove 31, the sleeve 4 is fixed on the outer wall of the inserted steel tube 3 through the limiting ring 44, and the contraction block 41 and the inserted groove 33 face in the same direction.
In this embodiment, the fixing of the sleeve 4 on the outer wall of the splicing steel tube 3 is maintained by the limiting groove 31 and the limiting ring 44, and the effect of the combined connection is enhanced by matching the connection between the sleeve 4 and the sleeve 1 in the same direction of the shrinking block 41 and the splicing groove 33.
Specifically, referring to fig. 1, the inner wall of the sleeve 4 is attached to the outer wall of the splicing steel tube 3, the four shrinkage blocks 41 are parallel and have a length greater than that of the splicing head 32, and a gap is formed between the four shrinkage blocks 41 and is set as a shrinkage groove 43.
In this embodiment, by setting the length of the contraction block 41 to be greater than the length of the plug 32, after the steel pipe 2 is completely inserted into the plug groove 33, the contraction block 41 can directly clamp the outer wall of the steel pipe 2, and a space is provided for contraction of the contraction block 41 by setting the contraction groove 43.
The working principle is as follows:
when the stainless steel pipe fitting convenient for combination and connection is used, one end of the steel pipe 2 with the internal thread 21 and the external thread 22 is inserted into the inserting groove 33, and the primary connection of the steel pipe 2 and the inserting steel pipe 3 is realized by matching the threads of the internal thread 21 and the external thread 22 which are respectively matched with the inserting threads 34 on the two side walls of the inserting groove 33; after the steel pipe 2 is completely inserted into the insertion groove 33, the steel pipe is abutted against a sealing ring 35 arranged at the bottom of the insertion groove 33, so that the sealing property of the steel pipe 2 after being connected with the insertion steel pipe 3 is improved; then sliding the sleeve 1 on the outer wall of the steel pipe 2 to enable the sleeve 1 to be in contact with the sleeve 4 fixed on the splicing steel pipe 3, enabling the part of the shrinkage block 41, which exceeds the splicing head 32, to surround the outer wall of the steel pipe 2, and enabling the sleeve 1 to wrap the tip of the shrinkage block 41 along with the rotation and the penetration of the sleeve 1, meanwhile, gradually compressing the four shrinkage blocks 41 inwards through the hollow cone of the sleeve 1 along with the penetration of the sleeve 1, gradually forming a clamping effect on the outer wall of the steel pipe 2 along with the shrinkage of the shrinkage blocks 41, and finally matching the threaded connection of the steel pipe 2 and the splicing steel pipe 3 to achieve the effect of double-thread combined connection, and under the condition that the connection state of the sleeve 1 and the sleeve 4 is not removed, the steel pipe 2 and the splicing steel pipe 3 can always keep a stable connection effect, and the looseness and falling off are prevented.
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 (5)

1. A stainless steel pipe fitting convenient for combination and connection is characterized by comprising
The inner wall of one end part of the sleeve (1) is provided with a thread (11);
the steel pipe (2), wherein the outer wall of one end part of the steel pipe (2) is provided with an internal thread (21), and the inner wall of the steel pipe is provided with an external thread (22);
the steel pipe (3) is inserted, one end of the steel pipe (3) is integrally provided with an inserting joint (32), an inserting groove (33) is formed between the inner wall and the outer wall of the inserting joint (32), and inserting threads (34) are arranged on two side walls of the inserting groove (33);
the sleeve (4) is characterized in that one end of the sleeve (4) is integrally provided with four contraction blocks (41), and the outer wall of each contraction block (41) is provided with contraction threads (42);
the steel pipe (2) is connected with the inserting steel pipe (3) through the internal thread (21) and the external thread (22) and the inserting thread (34) in a threaded manner, and the sleeve (1) is connected with the sleeve (4) through the thread (11) and the contraction thread (42) in a threaded manner.
2. The stainless steel pipe fitting convenient for combination and connection as claimed in claim 1, wherein the sleeve (1) is hollow and conical, the inner wall of the thicker end of the sleeve (1) is provided with a thread (11), and the inner wall of the thinner end of the sleeve (1) is attached to the outer wall of the steel pipe (2) and keeps sliding; the thread (11) is adapted to the converging thread (42).
3. Stainless steel pipe fitting convenient for combination and connection according to claim 1, wherein the plug thread (34) is respectively matched with the internal thread (21) and the external thread (22), and the bottom of the plug groove (33) is provided with an annular sealing ring (35).
4. The stainless steel pipe fitting convenient for combination and connection as claimed in claim 1, wherein an annular limiting groove (31) is formed in the outer wall of the insertion steel pipe (3), an annular limiting ring (44) is integrally formed at the other end of the sleeve member (4) away from the shrinkage block (41), the limiting ring (44) is adapted to the limiting groove (31), the sleeve member (4) is fixed on the outer wall of the insertion steel pipe (3) through the limiting ring (44), and the shrinkage block (41) and the insertion groove (33) face the same direction.
5. The stainless steel pipe fitting convenient for combination and connection according to claim 1, wherein the inner wall of the sleeve (4) is attached to the outer wall of the splicing steel pipe (3), the four shrinkage blocks (41) are parallel and have a length greater than that of the splicing head (32), and gaps are formed among the four shrinkage blocks (41) and are set as shrinkage grooves (43).
CN202221871988.5U 2022-07-14 2022-07-14 Stainless steel pipe fitting convenient to built-up connection Active CN217634351U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221871988.5U CN217634351U (en) 2022-07-14 2022-07-14 Stainless steel pipe fitting convenient to built-up connection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221871988.5U CN217634351U (en) 2022-07-14 2022-07-14 Stainless steel pipe fitting convenient to built-up connection

Publications (1)

Publication Number Publication Date
CN217634351U true CN217634351U (en) 2022-10-21

Family

ID=83634233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221871988.5U Active CN217634351U (en) 2022-07-14 2022-07-14 Stainless steel pipe fitting convenient to built-up connection

Country Status (1)

Country Link
CN (1) CN217634351U (en)

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