CN213296578U - Connecting pipe fitting for large-caliber drainage pipeline inspection well - Google Patents
Connecting pipe fitting for large-caliber drainage pipeline inspection well Download PDFInfo
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- CN213296578U CN213296578U CN202021843511.7U CN202021843511U CN213296578U CN 213296578 U CN213296578 U CN 213296578U CN 202021843511 U CN202021843511 U CN 202021843511U CN 213296578 U CN213296578 U CN 213296578U
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- inspection well
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- pipe fitting
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Abstract
The utility model discloses a large-caliber drainage pipeline inspection well connecting pipe fitting, which comprises a connecting pipe fitting arranged between adjacent inspection wells; the connecting pipe fitting consists of a connecting pipe and a middle extension pipe; two ends of the middle extension pipe are respectively in threaded connection with the connecting pipe; one end of the connecting pipe, which is far away from the middle extension pipe, is integrally manufactured into an arc-shaped clamping part; the arc-shaped clamping part extends into the inspection well and is tightly attached to the inner wall of the inspection well; a rubber sealing ring is also arranged between the arc-shaped clamping part and the inspection well; the connecting pipe is tightly connected with the outer wall of the inspection well through a flange sleeve; a rubber sealing gasket is also arranged between the flange sleeve and the inspection well; the utility model discloses a pipe fitting is connected to heavy-calibre drainage pipe inspection shaft, firm in connection between connecting pipe and the inspection shaft, the leakproofness is good, and the accessible sets up middle extension pipe to satisfy the connection of the inspection shaft of different intervals.
Description
Technical Field
The utility model relates to a pipe fitting is connected to heavy-calibre drainage pipe inspection shaft belongs to the inspection shaft and connects pipe fitting technical field.
Background
The sewage inspection well plays a role in ventilating the connecting pipe section and the pipeline system; the pipe sections between two adjacent wells are on a straight line, so inspection wells are required to be arranged at the positions of changing the section of the pipeline, changing the gradient, meeting and changing the elevation, and the inspection wells are required to be arranged on the overlong straight pipe sections in sections (the section spacing is regulated according to the diameter of the pipeline and the types of rain and sewage). However, the connection between the existing connecting pipe fitting between the two wells and the inspection well is not firm enough, and the sealing performance is poor, so that the connection effect is influenced. Therefore, in order to solve the above problems, it is highly desirable to design a connecting pipe fitting for a large-diameter drainage pipeline inspection well.
Disclosure of Invention
In order to solve the problem, the utility model provides a large-diameter drainage pipe inspection shaft connecting pipe spare, firm in connection between connecting pipe and the inspection shaft, the leakproofness is good, and the accessible sets up middle extension pipe to satisfy the connection of the inspection shaft of different intervals.
The utility model discloses a large-caliber drainage pipeline inspection well connecting pipe fitting, which comprises a connecting pipe fitting arranged between adjacent inspection wells; the connecting pipe fitting consists of a connecting pipe and a middle extension pipe; two ends of the middle extension pipe are respectively in threaded connection with the connecting pipe; one end of the connecting pipe, which is far away from the middle extension pipe, is integrally manufactured into an arc-shaped clamping part; the arc-shaped clamping part extends into the inspection well and is tightly attached to the inner wall of the inspection well; a rubber sealing ring is also arranged between the arc-shaped clamping part and the inspection well; the connecting pipe is tightly connected with the outer wall of the inspection well through a flange sleeve; a rubber sealing gasket is also arranged between the flange sleeve and the inspection well;
when the connecting pipe is installed, the rubber sealing ring is firstly sleeved on the outer side of the arc-shaped clamping part of the connecting pipe; then, the connecting pipe penetrates out of the interior of the inspection well, so that the rubber sealing ring is tightly pressed on the arc-shaped clamping part and the inner wall of the inspection well and is filled in an inner clamping groove of the inspection well, and the inner wall is sealed; then, sequentially sleeving the rubber sealing gasket and the flange sleeve on the outer side of the connecting pipe, pushing the rubber sealing gasket into an outer clamping groove in the outer wall of the inspection well, and tightly pressing the flange sleeve on the outer side of the rubber sealing gasket to ensure that the through hole of the rubber sealing gasket and the flange hole of the flange sleeve are opposite to the screw hole of the inspection well; then, the rubber sealing gasket and the flange sleeve are fixed on the outer wall of the inspection well by using a fastening bolt, and the rubber sealing gasket is tightly pressed on the connecting pipe and the outer wall of the inspection well under the action of the flange sleeve, so that the rubber sealing gasket is filled in an outer clamping groove of the inspection well, and the outer wall is sealed; the connecting pipe and the inner and outer walls of the inspection well are sealed in a double mode, so that the connection sealing performance and the water resistance are improved, the arc-shaped clamping portion is tightly clamped with the inner wall of the inspection well, the connecting pipe and the outer wall of the inspection well are fixed through the flange sleeve flange, and the connection firmness degree is improved; after the connecting pipe is connected with the inspection well, the threaded end of the connecting pipe is connected with the internal thread flange of the middle extension pipe through external threads so as to meet the connection of the inspection wells with different intervals.
Furthermore, an outer clamping groove for installing a rubber sealing gasket is formed in the outer wall of the inspection well; and a screw hole for installing a fastening bolt is formed in the inner side of the outer clamping groove.
Furthermore, after the fastening bolt on the flange sleeve sequentially penetrates through the flange hole on the flange sleeve and the through hole on the rubber sealing gasket, the fastening bolt stretches into the screw hole of the inspection well and is connected with the screw hole in a threaded manner.
Furthermore, an inner clamping groove for installing a rubber sealing ring is formed in the inner wall of the inspection well.
Furthermore, an external thread is arranged at one end of the connecting pipe, which is far away from the inspection well; internal threads are formed at two ends of the middle extension pipe respectively; the external thread of the connecting pipe is in threaded connection with the internal thread of the middle extension pipe.
Furthermore, one end of each two adjacent connecting pipes, which is close to each other, is provided with an inner pipe groove; an inner sleeve is embedded between the two inner pipe grooves; the inner diameter of the inner sleeve is consistent with that of the connecting pipe, the inner sleeve with the glass fiber reinforced plastic structure is used for guiding, and the connecting part of the connecting pipe and the middle extension pipe can be sealed, so that the sealing effect is improved.
Compared with the prior art, the utility model discloses a large-diameter drainage pipe inspection shaft connecting pipe fitting carries out double sealing with the inside and outside wall of inspection shaft with the connecting pipe, has improved connection leakproofness and waterproof nature, and utilizes arc joint portion and inspection shaft inner wall chucking, fixes connecting pipe and inspection shaft outer wall through flange cover flange, has improved firm degree of connection; after the connecting pipe is connected with the inspection well, the threaded end of the connecting pipe is connected with the internal thread flange of the middle extension pipe through external threads so as to meet the connection of the inspection wells with different intervals.
Drawings
Fig. 1 is the utility model discloses a connect pipe fitting and inspection shaft connection structure sketch map.
Fig. 2 is an enlarged schematic structural diagram of a position a of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
The parts in the drawings are marked as follows: 1-inspection well, 2-connecting pipe, 21-arc clamping part, 3-middle extension pipe, 4-rubber sealing ring, 5-flange sleeve, 6-rubber sealing gasket, 7-fastening bolt, 8-inner pipe groove and 9-inner sleeve.
Detailed Description
Example 1:
the large-caliber drainage pipeline inspection well connecting pipe fitting shown in figures 1 and 2 comprises a connecting pipe fitting arranged between adjacent inspection wells 1; the connecting pipe fitting consists of a connecting pipe 2 and a middle extension pipe 3; two ends of the middle extension pipe 3 are respectively in threaded connection with the connecting pipe 2; one end of the connecting pipe 2, which is far away from the middle extension pipe 3, is integrally manufactured into an arc-shaped clamping part 21; the arc-shaped clamping part can guide the water flow internally, so that the water resistance is reduced; the arc-shaped clamping part 21 extends into the inspection well 1 and is tightly attached to the inner wall of the inspection well 1; a rubber sealing ring 4 is also arranged between the arc-shaped clamping part 21 and the inspection well 1; the connecting pipe 2 is tightly connected with the outer wall of the inspection well 1 through a flange sleeve 5; a rubber sealing gasket 6 is also arranged between the flange sleeve 5 and the inspection well 1;
when the connecting pipe is installed, the rubber sealing ring is firstly sleeved on the outer side of the arc-shaped clamping part of the connecting pipe; then, the connecting pipe penetrates out of the interior of the inspection well, so that the rubber sealing ring is tightly pressed on the arc-shaped clamping part and the inner wall of the inspection well and is filled in an inner clamping groove of the inspection well, and the inner wall is sealed; then, sequentially sleeving the rubber sealing gasket and the flange sleeve on the outer side of the connecting pipe, pushing the rubber sealing gasket into an outer clamping groove in the outer wall of the inspection well, and tightly pressing the flange sleeve on the outer side of the rubber sealing gasket to ensure that the through hole of the rubber sealing gasket and the flange hole of the flange sleeve are opposite to the screw hole of the inspection well; then, the rubber sealing gasket and the flange sleeve are fixed on the outer wall of the inspection well by using a fastening bolt, and the rubber sealing gasket is tightly pressed on the connecting pipe and the outer wall of the inspection well under the action of the flange sleeve, so that the rubber sealing gasket is filled in an outer clamping groove of the inspection well, and the outer wall is sealed; the connecting pipe and the inner and outer walls of the inspection well are sealed in a double mode, so that the connection sealing performance and the water resistance are improved, the arc-shaped clamping portion is tightly clamped with the inner wall of the inspection well, the connecting pipe and the outer wall of the inspection well are fixed through the flange sleeve flange, and the connection firmness degree is improved; after the connecting pipe is connected with the inspection well, the threaded end of the connecting pipe is connected with the internal thread flange of the middle extension pipe through external threads so as to meet the connection of the inspection wells with different intervals.
The outer wall of the inspection well 1 is provided with an outer clamping groove for mounting a rubber sealing gasket 6; and a screw hole for installing the fastening bolt 7 is formed in the inner side of the outer clamping groove.
And the fastening bolt 7 on the flange sleeve 5 sequentially penetrates through the flange hole on the flange sleeve 5 and the through hole on the rubber sealing gasket 6, extends into the screw hole of the inspection well 1 and is connected with the screw thread of the screw hole.
The inner wall of the inspection well 1 is provided with an inner clamping groove for mounting the rubber sealing ring 4.
An external thread is arranged at one end of the connecting pipe 2, which is far away from the inspection well 1; the two ends of the middle extension pipe 3 are respectively provided with an internal thread; the external thread of the connecting pipe 2 is in threaded connection with the internal thread of the middle extension pipe 3.
Example 2:
as shown in fig. 3, an inner pipe groove 8 is formed at one end of each of two adjacent connecting pipes 2, which is close to each other; an inner sleeve 9 is embedded between the two inner pipe grooves 8; the inner diameter of the inner sleeve 9 is consistent with that of the connecting pipe 2, the inner sleeve with a glass fiber reinforced plastic structure is used for guiding, the connecting part of the connecting pipe and the middle extension pipe can be sealed, and therefore the sealing effect is improved
The utility model discloses a large-diameter drainage pipe inspection shaft connecting pipe fitting carries out double sealing with the inside and outside wall of inspection shaft with the connecting pipe, has improved connection leakproofness and waterproof nature, and utilizes the chucking of arc joint portion and inspection shaft inner wall, fixes connecting pipe and inspection shaft outer wall through flange cover flange, has improved firm degree of connection; after the connecting pipe is connected with the inspection well, the threaded end of the connecting pipe is connected with the internal thread flange of the middle extension pipe through external threads so as to meet the connection of the inspection wells with different intervals.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (6)
1. The utility model provides a large-diameter drainage pipeline inspection shaft connecting pipe fitting which characterized in that: comprises a connecting pipe fitting arranged between adjacent inspection wells; the connecting pipe fitting consists of a connecting pipe and a middle extension pipe; two ends of the middle extension pipe are respectively in threaded connection with the connecting pipe; one end of the connecting pipe, which is far away from the middle extension pipe, is integrally manufactured into an arc-shaped clamping part; the arc-shaped clamping part extends into the inspection well and is tightly attached to the inner wall of the inspection well; a rubber sealing ring is also arranged between the arc-shaped clamping part and the inspection well; the connecting pipe is tightly connected with the outer wall of the inspection well through a flange sleeve; and a rubber sealing gasket is also arranged between the flange sleeve and the inspection well.
2. The large caliber drainpipe inspection well connecting pipe fitting of claim 1, wherein: an outer clamping groove for mounting a rubber sealing gasket is formed in the outer wall of the inspection well; and a screw hole for installing a fastening bolt is formed in the inner side of the outer clamping groove.
3. The large caliber drainpipe inspection well connecting pipe fitting of claim 1, wherein: and after the fastening bolt on the flange sleeve sequentially penetrates through the flange hole on the flange sleeve and the through hole on the rubber sealing gasket, the fastening bolt stretches into the screw hole of the inspection well and is connected with the screw thread of the screw hole.
4. The large caliber drainpipe inspection well connecting pipe fitting of claim 1, wherein: an inner clamping groove for installing a rubber sealing ring is formed in the inner wall of the inspection well.
5. The large caliber drainpipe inspection well connecting pipe fitting of claim 1, wherein: an external thread is arranged at one end of the connecting pipe, which is far away from the inspection well; internal threads are formed at two ends of the middle extension pipe respectively; the external thread of the connecting pipe is in threaded connection with the internal thread of the middle extension pipe.
6. The large caliber drainpipe inspection well connecting pipe fitting of claim 1, wherein: one end of each two adjacent connecting pipes, which is close to each other, is provided with an inner pipe groove; an inner sleeve is embedded between the two inner pipe grooves; the inner diameter of the inner sleeve is consistent with that of the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021843511.7U CN213296578U (en) | 2020-08-29 | 2020-08-29 | Connecting pipe fitting for large-caliber drainage pipeline inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021843511.7U CN213296578U (en) | 2020-08-29 | 2020-08-29 | Connecting pipe fitting for large-caliber drainage pipeline inspection well |
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| Publication Number | Publication Date |
|---|---|
| CN213296578U true CN213296578U (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021843511.7U Active CN213296578U (en) | 2020-08-29 | 2020-08-29 | Connecting pipe fitting for large-caliber drainage pipeline inspection well |
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| CN (1) | CN213296578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855854A (en) * | 2022-05-25 | 2022-08-05 | 广东省建筑工程机械施工有限公司 | Construction protection structure and construction method for double open caisson connecting wall protection wall |
-
2020
- 2020-08-29 CN CN202021843511.7U patent/CN213296578U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855854A (en) * | 2022-05-25 | 2022-08-05 | 广东省建筑工程机械施工有限公司 | Construction protection structure and construction method for double open caisson connecting wall protection wall |
| CN114855854B (en) * | 2022-05-25 | 2024-02-09 | 广东省建筑工程机械施工有限公司 | Double open caisson connecting wall protection wall construction protection structure and construction method |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 255022 No.15 Renmin West Road, Zhangdian, Zibo City, Shandong Province Patentee after: Zibo planning and Design Institute Co.,Ltd. Address before: 255022 No.15 Renmin West Road, Zhangdian, Zibo City, Shandong Province Patentee before: ZIBO URBAN PLANNING DESIGN INSTITUTE |
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| CP01 | Change in the name or title of a patent holder |