CN215258355U - Adapter sealing mechanism for PCCP (prestressed concrete cylinder pipe) - Google Patents

Adapter sealing mechanism for PCCP (prestressed concrete cylinder pipe) Download PDF

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Publication number
CN215258355U
CN215258355U CN202121037711.8U CN202121037711U CN215258355U CN 215258355 U CN215258355 U CN 215258355U CN 202121037711 U CN202121037711 U CN 202121037711U CN 215258355 U CN215258355 U CN 215258355U
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CN
China
Prior art keywords
butt joint
pccp pipe
pccp
pipe
elastic sealing
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Active
Application number
CN202121037711.8U
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Chinese (zh)
Inventor
冯兴龙
董方亚
袁建峰
王瑞
吴倩平
杨婕
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Zhengzhou Huilong Pipe Industry Co ltd
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Zhengzhou Huilong Pipe Industry Co ltd
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Priority to CN202121037711.8U priority Critical patent/CN215258355U/en
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Publication of CN215258355U publication Critical patent/CN215258355U/en
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Abstract

The utility model discloses an adapter sealing mechanism for PCCP (prestressed concrete cylinder pipe), which comprises a first PCCP pipe and a second PCCP pipe, wherein one end of the first PCCP pipe is provided with a butt joint bulge, the other end of the first PCCP pipe is provided with a butt joint groove matched with the butt joint bulge, the first PCCP pipe and the second PCCP pipe have the same structure, the first PCCP pipe and the second PCCP pipe are connected with the butt joint groove through the butt joint bulge, the joint bulge and the butt joint groove are connected, a second elastic sealing ring is arranged at the joint of the butt joint bulge and the butt joint groove, the joint of the two PCCP pipes is avoided by arranging the butt joint groove, the butt joint bulge, a second elastic sealing ring, a second nut and a second bolt rod, the joint of the two PCCP pipes is tightly connected, the sealing performance of the PCCP pipes when the two PCCP pipes are tightly connected is further improved by arranging the first elastic sealing ring, the first fastener, the second fastener, the fixing ring, the first bolt rod and the first nut, avoid inside liquid to ooze, the practicality is stronger.

Description

Adapter sealing mechanism for PCCP (prestressed concrete cylinder pipe)
Technical Field
The utility model relates to a building tubular product technical field specifically is a PCCP is effective adapter sealing mechanism.
Background
The PCCP pipe is a short-term prestressed steel cylinder concrete pipe, is a pipe body formed by a steel cylinder, prestressed tendons and concrete, has the advantages of resisting tensile and compressive properties, higher strength, corrosion resistance and leakage resistance, and large diameter range, can be buried in a deeper stratum for use, for example, the prestressed steel cylinder concrete pipe with the diameter of 4000mm is adopted in the Nanshui Beijing section of national key engineering, and the existing PCCP pipe has poor sealing property when being connected, so that the liquid inside the pipe is easy to seep out.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an adapter sealing mechanism for PCCP pipe, improve the leakproofness of PCCP pipe when linking up, avoid inside liquid to ooze, the practicality is stronger, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the joint sealing mechanism for the PCCP comprises a first PCCP pipe and a second PCCP pipe, wherein a butt joint protrusion is arranged at one end of the first PCCP pipe, a butt joint groove matched with the butt joint protrusion is formed in the other end of the first PCCP pipe, the first PCCP pipe and the second PCCP pipe are identical in structure, the first PCCP pipe and the second PCCP pipe are jointed through the butt joint protrusion and the butt joint groove, a second elastic sealing ring is installed at the joint of the butt joint protrusion and the butt joint groove, fixing rings are installed on the first PCCP pipe and the second PCCP pipe, second bolt rods are connected into the mounting holes in the two fixing rings, second nuts are connected to the end portions of the second bolt rods in a threaded mode, first elastic sealing rings are arranged on the outer peripheral faces of the two fixing rings, and fastening assemblies are installed on the outer peripheral faces of the first elastic sealing rings.
As a preferred technical scheme of the utility model, first inclined plane has been seted up to the interior edge department of butt joint recess tip, the second inclined plane has been seted up to the outward flange department of the protruding tip of butt joint.
As an optimal technical scheme of the utility model, the second elastic sealing ring respectively with be connected the butt joint arch with butt joint recess interference is connected.
As a preferred technical scheme of the utility model, the first PCCP pipe with the outer peripheral face of second PCCP pipe junction is equipped with sealing coating.
As a preferred technical scheme of the utility model, the fastening components including articulate first fastener and the second fastener of first elastic sealing ring outer peripheral face, first fastener with the tip that its articulated department was kept away from to the second fastener passes through first shank of bolt fixed connection, the tip threaded connection of first shank of bolt has first nut.
As a preferred technical scheme of the utility model, fixedly connected with fixed axle in the recess of first fastener tip, the tip of second fastener be equipped with fixed axle complex go-between.
Compared with the prior art, the beneficial effects of the utility model are that: when coming two PCCP pipe zonulae occludens through setting up butt joint recess, butt joint arch, second elastic sealing ring, solid fixed ring, second nut and second shank of bolt, also avoided the linking department of two PCCP pipes to leak, through setting up first elastic sealing ring, first fastener, second fastener, solid fixed ring, first shank of bolt and first nut come further to improve the leakproofness of PCCP pipe when linking up, avoid inside liquid to ooze, the practicality is stronger.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view in another direction of the present invention;
fig. 3 is a schematic view of the local cross-section structure of the present invention.
In the figure: the pipe joint comprises a first PCCP pipe 1, a second PCCP pipe 2, a first bolt rod 3, a first nut 4, a butt joint groove 5, a first inclined surface 6, a first fastener 7, a second fastener 8, a second nut 9, a second bolt rod 10, a second inclined surface 11, a butt joint bulge 12, a fixing ring 13, a first elastic sealing ring 14, a sealing coating 15, a second elastic sealing ring 16, a connecting ring 17 and a fixing shaft 18.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a joint sealing mechanism for a PCCP (prestressed concrete cylinder pipe) comprises a first PCCP pipe 1 and a second PCCP pipe 2, wherein one end of the first PCCP pipe 1 is provided with a butt joint bulge 12, the other end of the first PCCP pipe 1 is provided with a butt joint groove 5 matched with the butt joint bulge 12, the first PCCP pipe 1 and the second PCCP pipe 2 are identical in structure, the first PCCP pipe 1 and the second PCCP pipe 2 are connected with each other through the butt joint bulge 12 and the butt joint groove 5, a second elastic sealing ring 16 is arranged at the joint of the butt joint bulge 12 and the butt joint groove 5, fixing rings 13 are respectively arranged on the first PCCP pipe 1 and the second PCCP pipe 2, second bolt rods 10 are connected in mounting holes in the two fixing rings 13, second nuts 9 are connected at the end parts of the second bolt rods 10 in a threaded manner, first elastic sealing rings 14 are arranged on the outer peripheral surfaces of the two fixing rings 13, fastening assemblies are arranged on the outer peripheral surfaces of the first elastic sealing rings 14, a first inclined surface 6 is arranged at the inner edge part of the end part of the butt joint groove 5, the outer edge of the end of the butt joint bulge 12 is provided with a second inclined surface 11, the second elastic sealing ring 16 is in interference connection with the butt joint bulge 12 and the butt joint groove 5 which are connected, the outer peripheral surface of the joint of the first PCCP pipe 1 and the second PCCP pipe 2 is provided with a sealing coating 15, the fastening assembly comprises a first fastening piece 7 and a second fastening piece 8 which are hinged on the outer peripheral surface of the first elastic sealing ring 14, the ends of the first fastening piece 7 and the second fastening piece 8, which are far away from the hinged joint, are fixedly connected through a first bolt rod 3, the end of the first bolt rod 3 is in threaded connection with a first nut 4, a fixing shaft 18 is fixedly connected in the groove at the end of the first fastening piece 7, and the end of the second fastening piece 8 is provided with a connecting ring 17 matched with the fixing shaft 18.
The working principle is as follows: in using the present joint sealing mechanism, the second elastic sealing ring 16 is fitted over the abutting protrusion 12, then the abutting protrusion 12 of the second PCCP pipe 2 is inserted into the abutting groove 5 of the first PCCP pipe 1, the abutting of the abutting protrusion 12 and the abutting groove 5 is assisted by the second inclined surface 11 and the first inclined surface 6, the two fixing rings 13 at the joint of the first PCCP pipe 1 and the second PCCP pipe 2 are fixedly connected by the plurality of second nuts 9 and the second bolt bars 10, the outer circumferential surfaces of the joint of the first PCCP pipe 1 and the second PCCP pipe 2 are sealed by the sealing coating 15, the first elastic sealing ring 14 is fitted over the outer circumferential surfaces of the two fixing rings 13 at the joint of the first PCCP pipe 1 and the second PCCP pipe 2, the first elastic sealing ring 14 is fixed on the outer circumferential surfaces by the first fastening member 7 and the second fastening member 8 which are hinged, and the first fastening member 7 and the second elastic sealing ring 8 apply external pressure to the first elastic sealing ring 14 by the first bolt bars 3 and the first nuts 4 The sealing performance of the joint of the PCCP pipe is further improved.
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 (6)

1. An adapter sealing mechanism for a PCCP pipe, comprising a first PCCP pipe (1) and a second PCCP pipe (2), characterized in that: one end of the first PCCP pipe (1) is provided with a butt joint protrusion (12), the other end of the first PCCP pipe (1) is provided with a butt joint groove (5) matched with the butt joint protrusion (12), the first PCCP pipe (1) and the second PCCP pipe (2) are identical in structure, the first PCCP pipe (1) and the second PCCP pipe (2) are connected with the butt joint groove (5) through the butt joint protrusion (12), a second elastic sealing ring (16) is installed at the joint of the butt joint protrusion (12) and the butt joint groove (5), fixing rings (13) are installed on the first PCCP pipe (1) and the second PCCP pipe (2), second bolt rods (10) are connected in installation holes in the two fixing rings (13), second nuts (9) are connected at the end parts of the second bolt rods (10) in a threaded mode, and first elastic sealing rings (14) are arranged on the outer peripheral surfaces of the two fixing rings (13), and a fastening assembly is arranged on the outer peripheral surface of the first elastic sealing ring (14).
2. The adapter sealing mechanism for a PCCP pipe according to claim 1, wherein: the inner edge of the end part of the butt joint groove (5) is provided with a first inclined plane (6), and the outer edge of the end part of the butt joint bulge (12) is provided with a second inclined plane (11).
3. The adapter sealing mechanism for a PCCP pipe according to claim 1, wherein: the second elastic sealing ring (16) is in interference connection with the butt joint bulge (12) and the butt joint groove (5) which are connected with each other respectively.
4. The adapter sealing mechanism for a PCCP pipe according to claim 1, wherein: and a sealing coating (15) is arranged on the outer peripheral surface of the joint of the first PCCP pipe (1) and the second PCCP pipe (2).
5. The adapter sealing mechanism for a PCCP pipe according to claim 1, wherein: the fastening assembly comprises a first fastening piece (7) and a second fastening piece (8) which are hinged on the outer peripheral surface of the first elastic sealing ring (14), the ends, far away from the hinged position, of the first fastening piece (7) and the second fastening piece (8) are fixedly connected through a first bolt rod (3), and a first nut (4) is connected to the end of the first bolt rod (3) in a threaded mode.
6. The adapter sealing mechanism for a PCCP pipe according to claim 5, wherein: and a fixed shaft (18) is fixedly connected in the groove at the end part of the first fastening piece (7), and a connecting ring (17) matched with the fixed shaft (18) is arranged at the end part of the second fastening piece (8).
CN202121037711.8U 2021-05-15 2021-05-15 Adapter sealing mechanism for PCCP (prestressed concrete cylinder pipe) Active CN215258355U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121037711.8U CN215258355U (en) 2021-05-15 2021-05-15 Adapter sealing mechanism for PCCP (prestressed concrete cylinder pipe)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121037711.8U CN215258355U (en) 2021-05-15 2021-05-15 Adapter sealing mechanism for PCCP (prestressed concrete cylinder pipe)

Publications (1)

Publication Number Publication Date
CN215258355U true CN215258355U (en) 2021-12-21

Family

ID=79456525

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121037711.8U Active CN215258355U (en) 2021-05-15 2021-05-15 Adapter sealing mechanism for PCCP (prestressed concrete cylinder pipe)

Country Status (1)

Country Link
CN (1) CN215258355U (en)

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