CN219994653U

CN219994653U - Pipeline connecting piece that leakproofness is good

Info

Publication number: CN219994653U
Application number: CN202321017933.2U
Authority: CN
Inventors: 李曼
Original assignee: Shenyang Telecommunication Planning And Design Institute Co ltd
Current assignee: Shenyang Telecommunication Planning And Design Institute Co ltd
Priority date: 2023-04-29
Filing date: 2023-04-29
Publication date: 2023-11-10
Anticipated expiration: 2033-04-29

Abstract

The utility model discloses a pipeline connecting piece with good sealing performance, which belongs to the technical field of pipeline connection and comprises a first pipeline and a second pipeline, wherein a pipe sleeve is sleeved between the first pipeline and the second pipeline, main slots are respectively arranged on two sides of the pipe sleeve, sealing rings are arranged in inner cavities of the main slots, and the end parts of the first pipeline and the end parts of the second pipeline extend to the inner cavities of the main slots. According to the utility model, the first pipeline and the second pipeline are inserted into the main slots at the two ends of the pipe sleeve, so that the ends of the first pipeline and the second pipeline are in contact with the sealing rings, and the first pipeline and the second pipeline are sealed for the first time through the cooperation of the first pipeline, the second pipeline and the main slots; and the outer sides of the first pipeline and the second pipeline are sealed for the second time by inserting the auxiliary inserting ring into the inner cavity of the auxiliary inserting groove, so that the connection tightness between the pipelines is ensured. The practicability of the pipeline connecting piece with good sealing performance is improved.

Description

Pipeline connecting piece that leakproofness is good

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a pipeline connector with good sealing performance.

Background

The pipelines are generally connected through pipeline connectors, so that leakage between the pipelines is avoided. Through retrieval, the utility model patent with the publication number of CN217030322U discloses a pipeline connecting piece with good sealing performance, which comprises a first connecting pipe and a second connecting pipe, wherein one end of the opposite surfaces of the first connecting pipe and the second connecting pipe is movably provided with a sealing component; the sealing assembly comprises a sealing tube, the sealing tube is movably arranged at one end of the opposite surface of the first connecting tube and the second connecting tube, and the middle part of the sealing tube is provided with a communication hole; this patent is located the both ends extrusion rubber pad of sealed tube through first connecting pipe and second connecting pipe for the rubber pad can closely laminate with the one end of first connecting pipe and second connecting pipe under pressure better and realize sealedly, accomplish sealed operation after, remove the retainer plate to the position department of regular polygon post this moment, and make spacing hole and regular polygon post's surface activity peg graft, thereby inject regular polygon post promptly prevent that the threaded rod from rotating, both realized avoiding the not hard up reverse rotation of threaded rod to cause the condition emergence that the leakproofness reduces. However, the above patent suffers from the following disadvantages: the sealing effect is poor only by sealing the two connecting pipes through the sealing pipe, in addition, the connecting piece is directly exposed outside, the sealing performance of the connecting part is easily affected by the influence of external environment, and therefore, the pipeline connecting piece with good sealing performance is provided.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a pipeline connecting piece with good sealing performance.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a pipeline connecting piece that leakproofness is good, includes first pipeline and second pipeline, the cover is equipped with the pipe box between first pipeline and the second pipeline, main slot has been seted up respectively to the both sides of pipe box, the inner chamber of main slot is provided with the sealing washer, the tip of first pipeline and second pipeline all extends to the inner chamber of main slot, the outside at pipe box both ends is provided with the outer seal piece, auxiliary slot has been seted up to the side of outer seal piece, the outside of first pipeline and second pipeline one end is provided with outer solid fixed ring, the side of outer solid fixed ring is provided with auxiliary insert ring, auxiliary insert ring's tip extends to auxiliary slot's inner chamber, the outside of first pipeline and second pipeline is all overlapped and is equipped with the collar, the outside cover of pipe box is equipped with the cup joint ring, be provided with fixed establishment on collar and the cup joint ring, the outside cover of collar is equipped with protection machanism.

As a preferred scheme of the utility model, the protection mechanism comprises an outer ring groove arranged on the outer side of the mounting ring and two protection shells sleeved on the outer side of the mounting ring, the inner side surfaces of the end parts of the two protection shells are attached to the outer side surfaces of the first pipeline and the second pipeline, the inner wall of the protection shell is provided with an outer inserting ring, the end parts of the outer inserting ring extend to the inner cavity of the outer ring groove, one side surface of the protection shell is provided with a connecting groove, the end surface of one protection shell is provided with a countersunk hole, the inner wall of one protection shell is provided with a third threaded hole, the bottom surface of the other protection shell is fixedly connected with a connecting block, the end surface of the connecting block is provided with a second threaded hole, the bottom end of the connecting block extends to the inner cavity of the connecting groove, the inner cavity of the countersunk hole is sleeved with a countersunk screw, and one end of the countersunk screw penetrates through the second threaded hole and is in threaded sleeve joint with the inner cavity of the third threaded hole.

As a preferable scheme of the utility model, a first through hole is formed in one side face of the mounting ring, a first threaded hole is formed in the side face of the other mounting ring, a second through hole is formed in the side face of the sleeving ring, the fixing mechanism comprises a stud sleeved in the inner cavities of the first through hole and the second through hole, one end of the stud is in threaded sleeving connection with the inner cavity of the first threaded hole, one end of the stud extends to the outer portion of the other mounting ring and is provided with a fixing groove, and a cotter pin is arranged on the fixing groove.

As a preferable scheme of the utility model, the inner wall of the main slot is attached to the inner side surface and the outer side surface of the first pipeline and the second pipeline.

As a preferable scheme of the utility model, the outer side surface of the auxiliary inserting ring is attached to the inner wall of the auxiliary inserting groove.

As a preferable mode of the utility model, the inner diameters of the first through hole, the second through hole and the first threaded hole are equal to the outer diameter of the stud.

Compared with the prior art, the utility model has the advantages that:

(1) According to the utility model, the first pipeline and the second pipeline are inserted into the main slots at the two ends of the pipe sleeve, so that the ends of the first pipeline and the second pipeline are in contact with the sealing rings, the first pipeline and the second pipeline are sealed for the first time through the cooperation of the first pipeline, the second pipeline and the main slots, in addition, the auxiliary insertion rings are inserted into the inner cavities of the auxiliary slots to seal the outer sides of the first pipeline and the second pipeline for the second time, the connection tightness between the pipelines is ensured, and the practicability of the pipeline connecting piece with good tightness is improved.

(2) According to the utility model, through the matched use of the protective shells, the connecting grooves, the connecting blocks, the third threaded holes, the countersunk holes, the second threaded holes and the countersunk screws, the two protective shells are sleeved on the outer sides of the connecting positions of the first pipeline and the second pipeline, and the countersunk screws are utilized to fix the two protective shells, so that the function of protecting the connecting positions between the first pipeline and the second pipeline is realized, and the connecting positions are prevented from being influenced by external environments. The working quality of the pipeline connecting piece with good sealing performance is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the connection of a first conduit and a second conduit according to the present utility model;

FIG. 3 is an exploded view of the first conduit, second conduit and shroud of the present utility model;

FIG. 4 is a schematic cross-sectional view of a first conduit, a second conduit and a sleeve according to the present utility model;

FIG. 5 is an exploded view of the guard mechanism of the present utility model;

fig. 6 is a schematic structural view of the fixing mechanism of the present utility model.

The reference numerals in the figures illustrate:

1. a first pipe; 2. a second pipe; 3. a pipe sleeve; 4. a main slot; 5. a seal ring; 6. an outer seal block; 7. an auxiliary slot; 8. an outer fixing ring; 9. an auxiliary insertion ring; 10. a mounting ring; 11. a sleeve joint ring; 12. a fixing mechanism; 13. an outer ring groove; 14. a protective mechanism; 15. a first through hole; 16. a second through hole; 17. a first threaded hole; 18. a stud; 19. a fixing groove; 20. a cotter pin; 21. a protective shell; 22. a connecting groove; 23. a connecting block; 24. an outer insert ring; 25. a third threaded hole; 26. a countersunk hole; 27. a second threaded hole; 28. countersunk head screws.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

referring to fig. 1-6, a pipeline connecting piece with good tightness comprises a first pipeline 1 and a second pipeline 2, a pipe sleeve 3 is sleeved between the first pipeline 1 and the second pipeline 2, main slots 4 are respectively arranged on two sides of the pipe sleeve 3, sealing rings 5 are arranged in inner cavities of the main slots 4, outer sealing blocks 6 are arranged outside the two ends of the pipe sleeve 3, auxiliary slots 7 are arranged on the side surfaces of the outer sealing blocks 6, an outer fixing ring 8 is arranged on the outer sides of one ends of the first pipeline 1 and the second pipeline 2, auxiliary inserting rings 9 are arranged on the side surfaces of the outer fixing ring 8, end portions of the auxiliary inserting rings 9 extend to the inner cavities of the auxiliary slots 7, mounting rings 10 are respectively sleeved on the outer sides of the first pipeline 1 and the second pipeline 2, sleeving rings 11 are sleeved on the outer sides of the pipe sleeve 3, fixing mechanisms 12 are arranged on the mounting rings 10 and 11, and protection mechanisms 14 are sleeved on the outer sides of the mounting rings 10.

Specifically, referring to fig. 4 and 5, the protection mechanism 14 includes an outer ring groove 13 formed on the outer side of the mounting ring 10, and two protection shells 21 sleeved on the outer side of the mounting ring 10, the inner sides of the end portions of the two protection shells 21 are attached to the outer sides of the first pipeline 1 and the second pipeline 2, the inner wall of the protection shell 21 is provided with an outer insert ring 24, the end portion of the outer insert ring 24 extends to the inner cavity of the outer ring groove 13, the side surface of one protection shell 21 is provided with a connecting groove 22, the end surface of one protection shell 21 is provided with a countersunk hole 26, the inner wall of one protection shell 21 is provided with a third threaded hole 25, the bottom surface of the other protection shell 21 is fixedly connected with a connecting block 23, the end surface of the connecting block 23 is provided with a second threaded hole 27, the bottom end of the connecting block 23 extends to the inner cavity of the connecting groove 22, the inner cavity of the countersunk hole 26 is sleeved with a countersunk screw 28, and one end of the countersunk screw 28 penetrates through the second threaded hole 27 and is in threaded sleeve to the inner cavity of the third threaded hole 25.

In this embodiment, the external size of the connecting block 23 is adapted to the size of the inner cavity of the connecting slot 22, and the connection position between the first pipeline 1 and the second pipeline 2 is protected by the two protecting shells 21.

Specifically, referring to fig. 3, 4 and 6, a first through hole 15 is formed on a side surface of one mounting ring 10, a first threaded hole 17 is formed on a side surface of the other mounting ring 10, a second through hole 16 is formed on a side surface of the sleeve ring 11, the fixing mechanism 12 comprises a stud 18 sleeved in inner cavities of the first through hole 15 and the second through hole 16, one end of the stud 18 is in threaded sleeve connection with an inner cavity of the first threaded hole 17, one end of the stud 18 extends to the outer portion of the other mounting ring 10 and is provided with a fixing groove 19, and a cotter pin 20 is installed on the fixing groove 19.

In this embodiment, the fixing groove 19 is located at the side of the other mounting ring 10, and the stud 18 is prevented from loosening on the two mounting rings 10 by inserting the cotter pin 20 into the cavity of the fixing groove 19 to limit the position of the stud 18.

Specifically, referring to fig. 3 and 4, the inner wall of the main slot 4 is attached to the inner and outer sides of the first pipe 1 and the second pipe 2.

In this embodiment, the tightness of the first pipeline 1 and the second pipeline 2 after being inserted into the inner cavity of the main slot 4 is ensured.

Specifically, referring to fig. 3, the outer side surface of the auxiliary insertion ring 9 is attached to the inner wall of the auxiliary insertion groove 7.

In this embodiment, the tightness of the insertion of the auxiliary insert ring 9 into the inner cavity of the auxiliary insert groove 7 is ensured.

Specifically, referring to fig. 3, the inner diameters of the first through hole 15, the second through hole 16, and the first threaded hole 17 are equal to the outer diameter of the stud 18.

In this embodiment, the stud 18 is ensured to be sleeved and mounted on the first through hole 15, the second through hole 16 and the inner cavity of the first threaded hole 17.

Working principle: when the protector is used, the first pipeline 1 and the second pipeline 2 are inserted into the main slots 4 at two ends of the pipe sleeve 3, the ends of the first pipeline 1 and the second pipeline 2 are in contact with the sealing rings 5, the auxiliary inserting rings 9 are inserted into the inner cavities of the auxiliary slots 7, then the two mounting rings 10 and the first through holes 15, the second through holes 16 and the first threaded holes 17 on the sleeve rings 11 are aligned, the studs 18 are inserted into the inner cavities of the first through holes 15 and the second through holes 16, the ends of the studs 18 are threadedly mounted into the inner cavities of the first threaded holes 17, the ends of the studs 18 extend to the outside of the other mounting ring 10, the cotter pins 20 are inserted into the inner cavities of the fixing grooves 19 to fix the studs 18, then the two protector shells 21 are sleeved outside the mounting rings 10, the outer inserting rings 24 of the inner cavities of the protector shells 21 are inserted into the outer annular grooves 13 on the mounting rings 10, the connecting blocks 23 are simultaneously inserted into the inner cavities of the connecting grooves 22, and finally the countersunk screws 28 are inserted into the inner cavities of the countersunk holes 26, the countersunk screws 28 are threadedly mounted to the inner cavities of the second threaded holes 15 and the second threaded holes 27 to the outer cavities 21, and the outer shells 21 can be fixed to the outer side of the protector shells 21 by the aid of the three protector shells 21.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution and the modified concept thereof, within the scope of the present utility model.

Claims

1. The utility model provides a pipeline connecting piece that leakproofness is good, includes first pipeline (1) and second pipeline (2), its characterized in that: the utility model discloses a protection device for a pipeline, including first pipeline (1), second pipeline (2), sleeve (3) are equipped with between first pipeline (1) and second pipeline (2), main slot (4) have been seted up respectively to the both sides of sleeve (3), the inner chamber of main slot (4) is provided with sealing washer (5), the inner chamber that all extends to main slot (4) in the tip of first pipeline (1) and second pipeline (2), the outside at sleeve (3) both ends is provided with outer sealing block (6), auxiliary slot (7) have been seted up to the side of outer sealing block (6), the outside of first pipeline (1) and second pipeline (2) one end is provided with outer solid fixed ring (8), the side of outer solid fixed ring (8) is provided with auxiliary insert ring (9), the tip of auxiliary insert ring (9) extends to the inner chamber of auxiliary slot (7), the outside of first pipeline (1) and second pipeline (2) is all overlapped and is equipped with collar (10), the outside cover of sleeve (3) is equipped with sleeve (11), collar (10) and collar (11) are provided with solid fixed ring (14) on the outer side of installation mechanism (14).

2. A pipe coupling having improved sealing properties as defined in claim 1, wherein: the protection mechanism (14) comprises an outer ring groove (13) arranged on the outer side of a mounting ring (10) and two protection shells (21) sleeved on the outer side of the mounting ring (10), wherein the inner side surfaces of the end parts of the protection shells (21) are attached to the outer side surfaces of a first pipeline (1) and a second pipeline (2), an outer inserting ring (24) is arranged on the inner wall of the protection shells (21), the end parts of the outer inserting ring (24) extend to the inner cavity of the outer ring groove (13), one of the outer ring groove (24) is provided with a connecting groove (22) in the side surface of the protection shells (21), one of the outer ring groove (13) is provided with a countersunk hole (26) in the end surface of the protection shell (21), one of the inner wall of the protection shells (21) is provided with a third threaded hole (25), the other inner surface of the protection shell (21) is fixedly connected with a connecting block (23), the end surface of the connecting block (23) is provided with a second threaded hole (27), the bottom end of the connecting block (23) extends to the inner cavity of the connecting groove (22), the inner cavity of the countersunk hole (26) is sleeved with a countersunk hole (28), and the countersunk hole (28) is sleeved on the inner cavity of the second threaded hole (27).

3. A pipe coupling having improved sealing properties as defined in claim 1, wherein: one of them first through-hole (15) has been seted up to the side of collar (10), and wherein another first screw hole (17) has been seted up to the side of collar (10), second through-hole (16) has been seted up to the side of cup joint ring (11), fixed establishment (12) are including cover to establish double-screw bolt (18) in first through-hole (15) and second through-hole (16) inner chamber, the inner chamber to first screw hole (17) is cup jointed to the one end screw thread of double-screw bolt (18), the outside that one end of double-screw bolt (18) extends to another collar (10) wherein has just been seted up fixed slot (19), install cotter pin (20) on fixed slot (19).

4. A pipe coupling having improved sealing properties as defined in claim 1, wherein: the inner wall of the main slot (4) is attached to the inner side surface and the outer side surface of the first pipeline (1) and the second pipeline (2).

5. A pipe coupling having improved sealing properties as defined in claim 1, wherein: the outer side surface of the auxiliary inserting ring (9) is attached to the inner wall of the auxiliary inserting groove (7).

6. A pipe coupling having improved sealing properties as defined in claim 3, wherein: the inner diameters of the first through hole (15), the second through hole (16) and the first threaded hole (17) are equal to the outer diameter of the stud (18).