CN220303033U - High chemical industry pipeline seal connection structure of security - Google Patents

High chemical industry pipeline seal connection structure of security Download PDF

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Publication number
CN220303033U
CN220303033U CN202321893472.5U CN202321893472U CN220303033U CN 220303033 U CN220303033 U CN 220303033U CN 202321893472 U CN202321893472 U CN 202321893472U CN 220303033 U CN220303033 U CN 220303033U
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China
Prior art keywords
ring
semi
flange
pipeline
outside
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CN202321893472.5U
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Chinese (zh)
Inventor
钱学成
郭飞飞
梁蓉
张建
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Nantong Uniphos Chemicals Co ltd
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Nantong Uniphos Chemicals Co ltd
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Abstract

The utility model discloses a high-safety chemical pipeline sealing connection structure which comprises a first pipeline, a second pipeline, an inner wrapping connection piece and an outer wrapping connection piece, wherein the end part of the first pipeline is provided with a first flange, the end part of the second pipeline is provided with a second flange, the first pipeline and the second pipeline are connected with each other through the first flange and the second flange, the inner wrapping connection piece wraps the outer parts of the first flange and the second flange, the outer wrapping connection piece wraps the outer parts of the inner wrapping connection piece.

Description

High chemical industry pipeline seal connection structure of security
Technical Field
The utility model relates to the technical field of pipeline sealing connection structures, in particular to a chemical pipeline sealing connection structure with high safety.
Background
The chemical pipeline needs to have excellent physical properties, excellent corrosion resistance, high mechanical strength, sanitation, no toxicity, no scale, no microorganism breeding and ensured fluid quality. Most of the connection modes of the chemical pipelines adopt flange connection, the connection part is sealed through a sealing ring, but the risk of leakage still exists, and certain potential safety hazards exist, so that the currently adopted technical means generally adopt a single-ring wrapped structure, and the single-ring wrapped structure wraps the connection part of two pipelines, but the sealing property and the stability still have a lifting space. Accordingly, there is a need for an improved technique to address the problems of the prior art.
Disclosure of Invention
The utility model aims to provide a chemical pipeline sealing connection structure with high safety, wherein the connection part of a first pipeline and a second pipeline is fastened by wrapping a connecting piece on the inner side, then wrapping the connecting piece on the outer side of the connecting piece on the inner side, the sealing performance of the connection part of the two pipelines is greatly improved by wrapping two layers of the connecting pieces, the connection stability and the connection strength of the first flange and the second flange are ensured by a first groove, the sealing performance of the first flange and the second flange is improved, the connection stability and the sealing performance of the first connecting plate are ensured by a second groove, and the leakage condition is avoided, so that the production safety is improved, and the problems in the background art are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high chemical industry pipeline seal connection structure of security, includes first pipeline, second pipeline, inboard parcel connecting piece and outside parcel connecting piece, first pipeline tip is provided with first flange, second pipeline tip is provided with the second flange, first pipeline and second pipeline pass through first flange and second flange interconnect, inboard parcel connecting piece parcel is outside first flange and second flange, outside parcel connecting piece parcel is outside inboard parcel connecting piece;
the inner wrapping connecting piece comprises a first inner semi-ring and a second inner semi-ring, wherein first inner cavities are formed in the first inner semi-ring and the second inner semi-ring, a first flange and a second flange are respectively arranged in the first inner cavities of the first inner semi-ring and the second inner semi-ring, first connecting plates are arranged at two ends of the first inner semi-ring and the second inner semi-ring, the first inner semi-ring and the second inner semi-ring are connected with each other through the first connecting plates and bolts, first grooves are formed in the first inner cavities of the first inner semi-ring and the second inner semi-ring respectively, and the first flanges and the second flanges are arranged in the first grooves in an extending mode.
The outside parcel connecting piece includes first outside semi-ring and second outside semi-ring, first outside semi-ring and second outside semi-ring both ends all are provided with the second connecting plate, first outside semi-ring and second outside semi-ring pass through second connecting plate and bolt interconnect, first outside semi-ring and second outside semi-ring are inside all to be provided with the second inner chamber, inboard parcel connecting piece sets up in the second inner chamber of first outside semi-ring and second outside semi-ring, the second recess has been seted up to the intermediate position that first inside semi-ring and second outside semi-ring are located the second inner chamber, first connecting plate sets up in the second recess, second recess both sides still are provided with the third recess, the width of third recess is unanimous with the thickness of two first connecting plates.
Preferably, the chemical pipeline sealing connection structure with high safety provided by the utility model is characterized in that the position of the third groove corresponds to a bolt for connecting the first connecting plate.
Preferably, the chemical pipeline sealing connection structure with high safety provided by the utility model is characterized in that the inner wrapping connection piece and the outer wrapping connection piece are of annular structures, and the inner diameters of the inner wrapping connection piece and the outer wrapping connection piece are consistent with the outer diameters of the first pipeline and the second pipeline.
Compared with the prior art, the utility model has the beneficial effects that:
the junction of first pipeline and second pipeline is at first through inboard parcel connecting piece parcel fastening, then the outside parcel connecting piece of inboard parcel connecting piece again, the leakproofness that two-layer parcel made two pipeline junctions improves greatly, and not only guarantee the connection stability and the joint strength of first flange and second flange through first recess, improve the leakproofness of first flange and second flange again, the connection stability and the leakproofness of first connecting plate department have been guaranteed through the second recess, avoid appearing leaking the condition, thereby improve the security of production, the junction of inboard parcel connecting piece is crisscross with the junction of outside parcel connecting piece simultaneously, further improve the leakproofness of two pipeline junctions.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the inside wrap connector construction;
FIG. 3 is a schematic view of a first inner half ring structure (the structure of the second inner half ring is identical to that of the first inner half ring);
FIG. 4 is a schematic view of the outside wrap connector construction;
fig. 5 is a schematic view of the first outer half ring structure (the structure of the second outer half ring is identical to that of the first outer half ring).
In the figure: the first pipeline 1, the second pipeline 2, the inner wrapping connection 3, the outer wrapping connection 4, the first flange 5, the second flange 6, the first inner semi-ring 301, the second inner semi-ring 302, the first inner cavity 303, the first connecting plate 304, the first groove 305, the first outer semi-ring 401, the second outer semi-ring 402, the second connecting plate 403, the second inner cavity 404, the second groove 405, and the third groove 406.
Detailed Description
The technical solutions 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, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model;
it should be noted that, in the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", etc. are directions or positional relationships based on 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 element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a high chemical industry pipeline sealing connection structure of security, including first pipeline 1, second pipeline 2, inboard parcel connecting piece 3 and outside parcel connecting piece 4, first pipeline 1 tip is provided with first flange 5, second pipeline 2 tip is provided with second flange 6, first pipeline 1 and second pipeline 2 pass through first flange 5 and second flange 6 interconnect, inboard parcel connecting piece 3 parcel is outside first flange 5 and second flange 6, outside parcel connecting piece 4 parcel is outside inboard parcel connecting piece 3, inboard parcel connecting piece 3 and outside parcel connecting piece 4 are annular structure, the internal diameter of inboard parcel connecting piece 3 and outside parcel connecting piece 4 is unanimous with the external diameter of first pipeline 1 and second pipeline 2, in order to guarantee the leakproofness of inboard parcel connecting piece 3 and outside parcel connecting piece 4 and first pipeline 1 and second pipeline 2 junction;
the inner wrapping connection piece 3 comprises a first inner semi-ring 301 and a second inner semi-ring 302, a first inner cavity 303 is formed in each of the first inner semi-ring 301 and the second inner semi-ring 302, a first flange 5 and a second flange 6 are respectively arranged in the first inner cavity 303 of the first inner semi-ring 301 and the first inner semi-ring 302, first connecting plates 304 are arranged at two ends of the first inner semi-ring 301 and the second inner semi-ring 302, the first inner semi-ring 301 and the second inner semi-ring 302 are connected with each other through the first connecting plates 304 and bolts, a first groove 305 is further formed in each first inner cavity 303 of the first inner semi-ring 301 and the second inner semi-ring 302, the first flange 5 and the second flange 6 are arranged in the first groove 305 in an extending mode, and through the first groove 305, firstly, the connection stability and the connection strength of the first flange 5 and the second flange 6 are guaranteed, and secondly, the tightness of the first flange 5 and the second flange 6 is guaranteed;
the outside parcel connecting piece 4 includes first outside semi-ring 401 and second outside semi-ring 402, first outside semi-ring 401 and second outside semi-ring 402 both ends all are provided with second connecting plate 403, first outside semi-ring 401 and second outside semi-ring 402 pass through second connecting plate 403 and bolt interconnect, first outside semi-ring 401 and inside second outside semi-ring 402 all are provided with second inner chamber 404, inboard parcel connecting piece 3 sets up in the second inner chamber 404 of first outside semi-ring 401 and second outside semi-ring 402, second recess 405 has been seted up to the intermediate position that first inboard semi-ring 301 and second outside semi-ring 402 are located second inner chamber 404, first connecting plate 304 sets up in second recess 405, through second recess 405, guarantee the leakproofness of first connecting plate 304 department of first inboard semi-ring 301 and second inboard semi-ring 302, second recess 405 both sides still are provided with third recess 406, the width of third recess 406 is unanimous with the thickness of two first connecting plates 304, firstly guarantee the connection stability of first connecting plate 304 of first inboard semi-ring 301 and second inboard semi-ring 302, secondly guarantee that the position that first connecting plate 304 corresponds the leakproofness of first connecting plate 304 and bolt 406 is used for the corresponding position of first connecting plate 304 place of bolt.
The installation method and the use principle are as follows: first, the first pipe 1 and the second pipe 2 are connected to each other by the first flange 5 and the second flange 6 and bolts, and then the first inner half ring 301 and the second inner half ring 302 are respectively sleeved outside the first flange 5 and the second flange 6. At this time, the extensions of the first flange 5 and the second flange 6 are inserted into the first groove 305, and then the first connection plates 304 at both ends of the first inner half ring 301 and the second inner half ring 302 are connected to each other by bolts. At this time, the inside wrap connection 3 wraps the outside of the first flange 5 and the second flange 6. The first outer half ring 401 and the second outer half ring 402 are then respectively sleeved on the inside to wrap the outside of the connection member 3. And the second grooves 405 inside the first and second outer half rings 401 and 402 correspond to the positions of the first connection plates 304 until the second connection plates 403 of the first and second outer half rings 401 and 402 are connected to each other and fastened by bolts. At this time, the outside wrapping connection 4 wraps the outside of the inside wrapping connection 3, completing the assembly. The utility model has reasonable structure, the connection part of the first pipeline 1 and the second pipeline 2 is firstly wrapped and fastened by the inner wrapping connecting piece 3, then the outer wrapping connecting piece 4 of the inner wrapping connecting piece 3 is wrapped, the two layers of wrapping enable the sealing performance of the connection part of the two pipelines to be greatly improved, the connection stability and the connection strength of the first flange 5 and the second flange 6 are ensured by the first groove 305, the sealing performance of the first flange 5 and the second flange 6 is improved, the connection stability and the sealing performance of the first connecting plate 304 are ensured by the second groove 405, the leakage condition is avoided, the production safety is improved, and the connection part of the inner wrapping connecting piece 3 and the connection part of the outer wrapping connecting piece 4 are mutually staggered, so that the sealing performance of the connection part of the two pipelines is further improved.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Finally, what is to be described is: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the examples, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (3)

1. High chemical industry pipeline seal connection structure of security, its characterized in that: the pipeline comprises a first pipeline (1), a second pipeline (2), an inner wrapping connecting piece (3) and an outer wrapping connecting piece (4), wherein a first flange (5) is arranged at the end part of the first pipeline (1), a second flange (6) is arranged at the end part of the second pipeline (2), the first pipeline (1) and the second pipeline (2) are connected with each other through the first flange (5) and the second flange (6), the inner wrapping connecting piece (3) is wrapped outside the first flange (5) and the second flange (6), and the outer wrapping connecting piece (4) is wrapped outside the inner wrapping connecting piece (3);
the inner wrapping connecting piece (3) comprises a first inner semi-ring (301) and a second inner semi-ring (302), wherein first inner cavities (303) are formed in the first inner semi-ring (301) and the second inner semi-ring (302), the first flange (5) and the second flange (6) are respectively arranged in the first inner cavities (303) of the first inner semi-ring (301) and the second inner semi-ring (302), first connecting plates (304) are respectively arranged at two ends of the first inner semi-ring (301) and the second inner semi-ring (302), the first inner semi-ring (301) and the second inner semi-ring (302) are connected with each other through the first connecting plates (304) and bolts, the first inner semi-ring (301) and the second inner semi-ring (302) are located in the respective first inner cavities (303), and first grooves (305) are further formed in the extension of the first flange (5) and the second flange (6);
the outside parcel connecting piece (4) is including first outside semi-ring (401) and second outside semi-ring (402), first outside semi-ring (401) and second outside semi-ring (402) both ends all are provided with second connecting plate (403), first outside semi-ring (401) and second outside semi-ring (402) are through second connecting plate (403) and bolt interconnect, first outside semi-ring (401) and second outside semi-ring (402) inside all are provided with second inner chamber (404), inboard parcel connecting piece (3) set up in second inner chamber (404) of first outside semi-ring (401) and second outside semi-ring (402), second recess (405) have been seted up to the intermediate position that first inboard semi-ring (301) and second outside semi-ring (402) are located second inner chamber (404), first connecting plate (304) set up in second recess (405), second recess (405) both sides still are provided with third recess (406), the width of third recess (406) is unanimous with two first connecting plate (304) thickness.
2. The high-safety chemical pipeline sealing connection structure according to claim 1, wherein: the third groove (406) is located corresponding to a bolt for connecting the first connection plate (304).
3. The high-safety chemical pipeline sealing connection structure according to claim 1, wherein: the inner wrapping connecting piece (3) and the outer wrapping connecting piece (4) are of annular structures, and the inner diameters of the inner wrapping connecting piece (3) and the outer wrapping connecting piece (4) are consistent with the outer diameters of the first pipeline (1) and the second pipeline (2).
CN202321893472.5U 2023-07-19 2023-07-19 High chemical industry pipeline seal connection structure of security Active CN220303033U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321893472.5U CN220303033U (en) 2023-07-19 2023-07-19 High chemical industry pipeline seal connection structure of security

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321893472.5U CN220303033U (en) 2023-07-19 2023-07-19 High chemical industry pipeline seal connection structure of security

Publications (1)

Publication Number Publication Date
CN220303033U true CN220303033U (en) 2024-01-05

Family

ID=89371863

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321893472.5U Active CN220303033U (en) 2023-07-19 2023-07-19 High chemical industry pipeline seal connection structure of security

Country Status (1)

Country Link
CN (1) CN220303033U (en)

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