CN216867808U - Civil engineering water supply and drainage pipeline connection structure - Google Patents
Civil engineering water supply and drainage pipeline connection structure Download PDFInfo
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- CN216867808U CN216867808U CN202123380154.2U CN202123380154U CN216867808U CN 216867808 U CN216867808 U CN 216867808U CN 202123380154 U CN202123380154 U CN 202123380154U CN 216867808 U CN216867808 U CN 216867808U
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Abstract
The utility model discloses a civil engineering water supply and drainage pipeline connecting structure, which is used for connecting two pipelines and comprises a first connecting head, a telescopic bending part, a second connecting head and a thread positioning rod, wherein the first end of the first connecting head is connected with the first end of the telescopic bending part, and the first end of the second connecting head is connected with the second end of the telescopic bending part; the first connector and the second connector are identical in structure, the first connector and the second connector respectively comprise a first barrel and a second barrel which are coaxially arranged, the second barrel is positioned inside the first barrel, the first ends of the first barrel and the second barrel are welded into an integral structure, and an annular groove is formed in a gap between the first barrel and the second barrel; the end of the pipe is inserted into the annular groove. The utility model solves the problem of inconvenient pipeline connection caused by the dislocation of adjacent pipelines in the prior art.
Description
Technical Field
The utility model relates to the technical field of pipeline connection, in particular to a civil engineering water supply and drainage pipeline connecting structure.
Background
Most of the existing drainage pipes are embedded underground, adjacent drainage pipes are connected by flanges, and soil is easy to cause dislocation between the adjacent drainage pipes due to different pressures born by the soil, so that the water seepage condition occurs at the joints; the existing drain pipe connecting structure is difficult to match the staggered pipeline, and brings great problems to maintenance and replacement.
In the construction process, adjacent pipelines are difficult to coaxially arrange due to the laying of the pipelines, most of the existing pipeline connecting devices are coaxial pipeline connecting devices, and even if L-shaped or Z-shaped connecting devices exist, the matched pipeline connecting devices are difficult to find at one time because the dislocation degree between the two pipelines cannot be determined.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims to provide a connecting structure of a water supply and drainage pipeline in civil engineering, aiming at solving the problem of inconvenient pipeline connection caused by misplacement of adjacent pipelines in the prior art.
The technical scheme is as follows: a civil engineering water supply and drainage pipeline connecting structure is used for connecting two pipelines and comprises a first connecting head, a telescopic bending part, a second connecting head and a thread positioning rod, wherein the first end of the first connecting head is connected with the first end of the telescopic bending part, and the first end of the second connecting head is connected with the second end of the telescopic bending part; the first connector and the second connector are identical in structure, the first connector and the second connector respectively comprise a first barrel and a second barrel which are coaxially arranged, the second barrel is positioned inside the first barrel, the first ends of the first barrel and the second barrel are welded into an integral structure, and an annular groove is formed in a gap between the first barrel and the second barrel; the end part of the pipeline is inserted into the annular groove; a first extending part is arranged on the outer side of the first end of the first connector, a first through hole is formed in the first extending part, a second extending part is arranged on the outer side of the first end of the second connector, and a second through hole corresponding to the first through hole is formed in the second extending part; the threaded positioning rod penetrates through the first through hole and the second through hole, and fixing nuts are arranged on the two sides, located on the first through hole and the second straightening through hole, of the threaded positioning rod.
Further, the diameter of the second extension is larger than that of the first extension; the second through hole on the second extension part is rectangular, and the length direction of the second through hole is the same as the radial direction of the second extension part.
Furthermore, the bottoms of the annular grooves of the first connector and the second connector are provided with first annular rubber sealing elements.
Further, an annular clamping hole with an opening facing the second cylinder is formed in the inner wall of the first cylinder, and a second annular rubber sealing element is arranged in the annular clamping hole; the second annular rubber sealing element is provided with a notch which is an unclosed annular rubber sealing ring; the middle part of the inner side surface of the second annular sealing element is provided with an annular protrusion; the first barrel is provided with a plurality of bolt holes, the bolt holes are used for communicating the annular clamping holes with the outer side of the first barrel, fastening bolts are arranged in the bolt holes and rotate inwards, and the annular protrusions are exposed out of openings of the annular clamping holes and attached to the outer side face of the pipeline.
Furthermore, the longitudinal section of the annular clamping hole is rectangular, and an annular rigid patch layer is arranged on the outer side surface of the second annular sealing element; the length of the annular rigid patch layer is smaller than that of the second annular rubber sealing element.
Furthermore, a plurality of annular rigid supporting pieces are arranged on the outer side face of the telescopic bending part at intervals, and the inner side face of each annular rigid supporting piece is fixedly connected with the outer side face of the telescopic bending part.
Further, the diameters from the first end of the second cylinder to the second end of the second cylinder are sequentially decreased progressively.
Has the advantages that:
1) the utility model is provided with the telescopic bending part, can also connect two staggered pipelines and is not influenced by the transverse distance and the longitudinal staggered distance between the two pipelines.
2) The distance between first connector and the second connector can be fixed in the setting of screw thread locating lever, matches the transverse distance between two pipelines, prevents to arouse the condition that first connector and second connector break away from the pipeline because of the setting of scalable flexion.
3) In the use after the pipe connection device is connected, but the dislocation distance between the uneven or other circumstances of soil pressurized of junction can two pipelines changes, because the setting in second bar hole, concrete between first connector and the second connector can shift along with the pipeline, can effectively reduce the number of times of maintenance adjustment.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of a second annular rubber seal;
reference numbers in the figures: a first connector-1; an annular groove-101; a flexible bend-2; a second connector-3; a thread positioning rod-4; a first annular rubber seal-5; a second annular rubber seal-6; a fastening bolt-7; an annular rigid support-8; an annular projection-9; an annular rigid patch layer-10.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
As shown in fig. 1-3, a civil engineering water supply and drainage pipeline connecting structure is used for connecting two pipelines; the pipeline connecting structure comprises a first connecting head 1, a telescopic bending part 2, a second connecting head 3 and a threaded positioning rod 4, wherein the first end of the first connecting head 1 is connected with the first end of the telescopic bending part 2, and the first end of the second connecting head 3 is connected with the second end of the telescopic bending part 2;
first connector 1 is the same with 3 structures of second connector, first connector 1 second connector 3 all includes first barrel and the second barrel of coaxial setting.
The diameters of the first end of the second cylinder and the second end of the second cylinder are sequentially decreased progressively; the second cylinder is positioned at the inner side of the first cylinder, the first ends of the first cylinder and the second cylinder are welded into an integral structure, and an annular groove 101 is formed in a gap between the first cylinder and the second cylinder; the bottom of the annular groove 101 is provided with a first annular rubber seal 5.
An annular clamping hole with an opening facing the second cylinder is formed in the inner wall of the first cylinder, the longitudinal section of the annular clamping hole is rectangular, and a second annular rubber sealing element 6 is arranged in the annular clamping hole; the second annular rubber sealing element 6 is provided with a notch which is an unclosed annular rubber sealing ring; the middle part of the inner side surface of the second annular sealing element is provided with an annular protrusion 9; an annular rigid patch layer 10 is arranged on the outer side surface of the second annular sealing element; the length of the annular rigid patch layer is smaller than that of the second annular rubber sealing element 6. The first barrel is provided with a plurality of bolt holes, the bolt holes are used for communicating the annular clamping holes with the outer side of the first barrel, fastening bolts 7 are arranged in the bolt holes, the fastening bolts 7 are rotated, and the annular protrusions are exposed out of the openings of the annular clamping holes and tightly attached to the outer side face of the pipeline.
A plurality of annular rigid supporting pieces 8 are arranged on the outer side face of the telescopic bending part 2 at intervals, and the inner side face of each annular rigid supporting piece 8 is fixedly connected with the outer side face of the telescopic bending part 2.
The end of the pipe is inserted into the annular groove 101; a first extending part is arranged on the outer side of the first end of the first connector 1, a first through hole is formed in the first extending part, a second extending part is arranged on the outer side of the first end of the second connector 3, and a second through hole corresponding to the first through hole is formed in the second extending part; the diameter of the second extension is larger than that of the first extension; the second through hole on the second extension part is rectangular, and the length direction of the second through hole is the same as the radial direction of the second extension part. The threaded positioning rod 4 penetrates through the first through hole and the second through hole, and fixing nuts are arranged on the two sides, located on the first through hole and the second straightening through hole, of the threaded positioning rod 4.
The utility model is provided with the telescopic bending part, can also connect two staggered pipelines and is not influenced by the transverse distance and the longitudinal staggered distance between the two pipelines. The distance between first connector and the second connector can be fixed in the setting of screw thread locating lever, matches the transverse distance between two pipelines, prevents to arouse the condition that first connector and second connector break away from the pipeline because of the setting of scalable flexion. In the use after the pipe connection device is connected, but the dislocation distance between the uneven soil pressurized or other circumstances of junction can two pipelines changes, because the setting in second bar hole, concrete between first connector and the second connector can shift along with the pipeline, can effectively reduce the number of times of maintenance adjustment.
The annular rigid supporting piece can be used for placing the telescopic bending part to deform under pressure. The diameters from the first end of the second cylinder to the second end of the second cylinder are gradually decreased, so that the pipeline can be conveniently inserted into the annular groove.
The arrangement of the first annular rubber sealing element and the second annular rubber sealing element can reduce the water leakage problem at the joint. Be equipped with the breach on the annular rubber seal of second, when rotatory fastening bolt extrudeed the annular rubber seal of second to pipeline lateral wall direction, the breach of the annular rubber seal of second reduces to disappearing completely gradually, the inboard diameter of the annular rubber seal of second reduces, laminating pipeline lateral wall that can be better, and the leakproofness is better. The lateral surface of the second annular rubber sealing element is provided with an annular rigid patch layer, so that the force application of a fastening bolt is facilitated.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. A civil engineering water supply and drainage pipeline connecting structure is used for connecting two pipelines and is characterized in that the pipeline connecting structure comprises a first connecting head, a telescopic bending part, a second connecting head and a thread positioning rod, wherein the first end of the first connecting head is connected with the first end of the telescopic bending part, and the first end of the second connecting head is connected with the second end of the telescopic bending part;
the first connector and the second connector are identical in structure, the first connector and the second connector respectively comprise a first barrel and a second barrel which are coaxially arranged, the second barrel is positioned inside the first barrel, the first ends of the first barrel and the second barrel are welded into an integral structure, and an annular groove is formed in a gap between the first barrel and the second barrel; the end part of the pipeline is inserted into the annular groove; a first extending part is arranged on the outer side of the first end of the first connector, a first through hole is formed in the first extending part, a second extending part is arranged on the outer side of the first end of the second connector, and a second through hole corresponding to the first through hole is formed in the second extending part; the threaded positioning rod penetrates through the first through hole and the second through hole, and fixing nuts are arranged on two sides of the threaded positioning rod, which are located on the first through hole and the second straightening through hole.
2. The civil engineering water supply and drainage pipeline connecting structure as claimed in claim 1, wherein the diameter of the second extension is larger than the diameter of the first extension; the second through hole on the second extension part is rectangular, and the length direction of the second through hole is the same as the radial direction of the second extension part.
3. The civil engineering water supply and drainage pipeline connecting structure of claim 1, wherein the bottom of the annular grooves of the first and second connectors are provided with first annular rubber sealing members.
4. The civil engineering water supply and drainage pipeline connecting structure as claimed in claim 1, wherein the inner wall of the first cylinder is provided with an annular clamping hole with an opening facing the second cylinder, and a second annular rubber sealing member is arranged in the annular clamping hole; the second annular rubber sealing element is provided with a notch which is an unclosed annular rubber sealing ring; the middle part of the inner side surface of the second annular sealing element is provided with an annular protrusion;
the first barrel is provided with a plurality of bolt holes, the bolt holes are used for communicating the annular clamping holes with the outer side of the first barrel, fastening bolts are arranged in the bolt holes and rotate inwards, and the annular protrusions are exposed out of the openings of the annular clamping holes and tightly attached to the outer side face of the pipeline.
5. The civil engineering water supply and drainage pipeline connecting structure as claimed in claim 4, wherein the longitudinal section of the annular clamping hole is rectangular, and an annular rigid patch layer is arranged on the outer side surface of the second annular sealing element; the length of the annular rigid patch layer is smaller than that of the second annular rubber sealing element.
6. The civil engineering water supply and drainage pipeline connecting structure of claim 4, wherein a plurality of annular rigid supporting pieces are arranged on the outer side surface of the telescopic bending part at intervals, and the inner side surfaces of the annular rigid supporting pieces are fixedly connected with the outer side surface of the telescopic bending part.
7. The civil engineering water supply and drainage pipeline connecting structure of claim 1, wherein the diameter of the first end of the second cylinder body to the second end of the second cylinder body is gradually reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123380154.2U CN216867808U (en) | 2021-12-30 | 2021-12-30 | Civil engineering water supply and drainage pipeline connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123380154.2U CN216867808U (en) | 2021-12-30 | 2021-12-30 | Civil engineering water supply and drainage pipeline connection structure |
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| CN216867808U true CN216867808U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123380154.2U Active CN216867808U (en) | 2021-12-30 | 2021-12-30 | Civil engineering water supply and drainage pipeline connection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115493756A (en) * | 2022-11-21 | 2022-12-20 | 济南工程职业技术学院 | Device for testing water tightness of building wall |
-
2021
- 2021-12-30 CN CN202123380154.2U patent/CN216867808U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115493756A (en) * | 2022-11-21 | 2022-12-20 | 济南工程职业技术学院 | Device for testing water tightness of building wall |
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