CN219912130U

CN219912130U - Sealing structure of water supply and drainage pipeline pump

Info

Publication number: CN219912130U
Application number: CN202321187481.2U
Authority: CN
Inventors: 吴建芳
Original assignee: Jiangxi Dinghan Engineering Management Co ltd
Current assignee: Jiangxi Dinghan Engineering Management Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-10-27
Anticipated expiration: 2033-05-17

Abstract

The utility model relates to the technical field of water supply and drainage pipelines, in particular to a sealing structure of a pump of a water supply and drainage pipeline. According to the utility model, through the cooperation between the first flange, the second flange, the thread head, the pipe groove, the inner clamping groove and the inner sealing ring, the thread head is in threaded connection with the inner thread on one side of the pipe groove, then the bolt is sleeved from the abdication groove on one side of the second flange until the end head of the bolt passes through the bolt groove and is tightened and fixed through the nut, after the installation, the pump head connecting pipe is communicated with the water supply and drainage connecting pipe through the pipe groove and the thread head, and the inner sealing ring is matched with the inner clamping groove, so that the sealing performance can be improved on the inner side of a pipeline.

Description

Sealing structure of water supply and drainage pipeline pump

Technical Field

The utility model relates to the technical field of water supply and drainage pipelines, in particular to a sealing structure at a pump of a water supply and drainage pipeline.

Background

The water supply engineering is used for supplying living and production water for residents, factories, mines and transportation enterprises, and fire-fighting water, road greening water and the like, and consists of a water supply source, a water taking structure, a raw water pipeline, a water supply plant and a water supply pipe network, has the functions of collecting and conveying raw water and improving water quality, and the water discharge engineering is used for discharging various waste water and redundant ground water in human living sewage and production, consists of a water discharge system, a waste water treatment plant and final treatment facilities, and also generally comprises pumping facilities such as a water discharge pump station.

The water supply and drainage pipeline and the pump machine are connected through the flange, and when the water supply and drainage pipeline and the pump machine are assembled, the rubber sealing gasket is arranged between the two flanges, so that after the water supply and drainage pipeline is assembled, the sealing performance of the pipeline is higher, however, the part, which is not contacted with the flanges, of the rubber sealing gasket is exposed to the air and is affected by the external temperature, the rubber sealing gasket can generate air drying cracking in the long term, leakage can be generated in the later stage, and therefore, the water supply and drainage pipeline pump is provided with the sealing structure.

Disclosure of Invention

The utility model aims to provide a sealing structure at a pump of a water supply and drainage pipeline, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a sealing structure of a water supply and drainage pipeline at a pump comprises

The water supply and drainage device comprises a first flange, wherein a pump head connecting pipe is fixedly connected to one side of the first flange, a second flange is arranged at one end, far away from the pump head connecting pipe, of the first flange, a water supply and drainage connecting pipe is fixedly connected to one end, far away from the first flange, of the second flange, a bolt groove is formed in the outer ring of the first flange, a yielding groove is formed in the outer ring of the second flange, a bolt is sleeved between the bolt groove and the yielding groove, and the bolt head of the bolt penetrates through the yielding groove and the bolt groove to be connected with a nut in a threaded manner;

the annular groove is formed in the outer side of the axis of the first flange, an annular clamping groove is formed in the inner ring of the annular groove, a sealing ring is clamped in the annular clamping groove, and a sealing ring is arranged on one side, close to the annular groove, of the second flange.

Preferably, a pipe groove is formed in the inner side of the axis of the first flange, an inner clamping groove is formed in the outer side of the first flange, which is located at the pipe groove, and an inner sealing ring is clamped in the inner clamping groove;

preferably, an internal thread is formed at the inner wall of one end of the pipe groove, which is close to the second flange, and a thread head is fixedly connected at the axial center of one end of the second flange, which is close to the first flange;

preferably, the pump head connecting pipe, the water supply and drainage connecting pipe, the pipe groove and the screw head are communicated;

preferably, the inner diameter of the relief groove is larger than the inner diameter of the bolt groove;

preferably, the sealing ring is made of rubber material.

Compared with the prior art, the utility model has the beneficial effects that:

1. this seal structure of water supply and drainage pipeline's pump department uses through the cooperation between first flange, second flange, screw thread head, tube bank, interior draw-in groove and the interior seal ring, with screw thread head threaded connection in the internal thread of tube bank one side, step down the groove from second flange one side and embolia the bolt, tighten up fixedly through the nut after passing the bolt groove until the end of bolt, install so after, through tube bank and screw thread head intercommunication between pump head connecting pipe and the water supply and drainage connecting pipe, and cooperate with interior draw-in groove through interior seal ring, can improve the leakproofness in the pipeline inboard.

2. This seal structure of water supply and drainage pipeline's pump department uses through the cooperation between sealing washer, annular clamping groove, annular groove and the sealing ring, and first flange and second flange junction pass through the sealing washer in the outside is sealed like this, and cooperate between sealing ring and the annular groove with the sealing washer outside is sealed for the sealing washer can not with outside air contact, and the sealing washer also can not with pipeline inside contact simultaneously, can avoid the sealing washer to air dry the fracture like this, thereby improves its life.

Drawings

FIG. 1 is a schematic overall elevational view of the present utility model;

FIG. 2 is a schematic diagram of the overall explosive structure of the present utility model;

FIG. 3 is an enlarged schematic view of the present utility model at A in FIG. 2;

fig. 4 is an enlarged schematic view of the present utility model at B in fig. 2.

In the figure: 1. a first flange; 2. a pump head connecting pipe; 3. a second flange; 4. a water supply and drainage connecting pipe; 5. a key slot; 6. a relief groove; 7. a bolt; 8. a nut; 9. an annular groove; 10. an annular clamping groove; 11. a seal ring; 12. a tube groove; 13. an inner clamping groove; 14. an inner seal ring; 15. an internal thread; 16. a thread head.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-4, the present utility model provides a technical solution:

the sealing structure at the pump position of the water supply and drainage pipeline comprises a first flange 1, one side of the first flange 1 is fixedly connected with a pump head connecting pipe 2, one end of the first flange 1, which is far away from the pump head connecting pipe 2, is provided with a second flange 3, one end of the second flange 3, which is far away from the first flange 1, is fixedly connected with a water supply and drainage connecting pipe 4, the outer ring of the first flange 1 is provided with a bolt groove 5, the outer ring of the second flange 3 is provided with a yielding groove 6, a bolt 7 is sleeved between the bolt groove 5 and the yielding groove 6, the bolt head of the bolt 7 passes through the yielding groove 6 and the bolt groove 5 to be in threaded connection with a nut 8, one end inner wall of the pipe groove 12, which is close to the second flange 3, is fixedly connected with a threaded head 16, the outer side of the first flange 1, which is located at the outer side of the pipe groove 12, is provided with an inner clamping groove 13, an inner sealing ring 14, and when the device is installed, firstly clamping the inner sealing ring 14 into the inner clamping groove 13 on one side of the pipe groove 12, then the inner clamping groove 16 is fixedly clamped into the inner clamping groove 13, and then the inner clamping ring 16 is sleeved in the pipe groove 12 from one side of the pipe groove 6 to the inner side of the pipe groove 6 through the threaded head 6 and the threaded head 3, and the threaded head of the pipe 2 is fixedly connected with the inner end of the pipe 2, and the pipe end of the pipe through the threaded head 3, and the threaded head is fixedly connected with the threaded head 12, and the inner clamping groove 4, when the inner end is connected with the inner end of the pipe 3 through the threaded head 3, and the inner sealing pipe 3 through the threaded joint 7, and the threaded joint 3;

as shown in fig. 3, the annular groove 9 is formed on the outer side of the axle center of the first flange 1, the annular clamping groove 10 is formed at the inner ring of the annular groove 9 of the first flange 1, the sealing ring 11 is clamped in the annular clamping groove 10, the sealing ring 11 is arranged on one side of the second flange 3 close to the annular groove 9, the sealing ring 11 is made of rubber materials, the pipe groove 12 is formed on the inner side of the axle center of the first flange 1, the pump head connecting pipe 2, the water supply and drainage connecting pipe 4, the pipe groove 12 and the thread head 16 are communicated, the inner diameter of the yielding groove 6 is larger than the inner diameter of the bolt groove 5, when the first flange 1 and the second flange 3 are installed, the sealing ring 11 is required to be clamped in the annular clamping groove 10 on one side of the first flange 1, then the first flange 1 is abutted with the second flange 3, and when the first flange 1 and the second flange 3 are abutted, the sealing ring on one side of the second flange 3 is sleeved in the annular groove 9 on one side of the first flange 1, thus the connecting part of the first flange 1 and the second flange 3 is sealed on the outer side through the sealing ring 11, and the sealing ring 11 is matched between the sealing ring and the annular groove 9, the outer side 11 is prevented from being contacted with the outer side 11, and the sealing ring 11 is prevented from being in air-dried, and the air-dried;

when the sealing structure of the pump of the water supply and drainage pipeline is used, firstly, the inner sealing ring 14 is clamped into the inner clamping groove 13 on one side of the pipe groove 12 to be fixed, then the thread head 16 is connected with the inner thread 15 on one side of the pipe groove 12 in a threaded mode, then the bolt 7 is sleeved in the yielding groove 6 on one side of the second flange 3 until the end of the bolt 7 passes through the bolt groove 5 and then is tightened and fixed through the nut 8, after the sealing structure is installed, the pump head connecting pipe 2 and the water supply and drainage connecting pipe 4 are communicated through the pipe groove 12 and the thread head 16, and the inner sealing ring 14 is matched with the inner clamping groove 13, so that the sealing performance can be improved on the inner side of the pipeline.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A sealing structure of water supply and drainage pipeline's pump department, its characterized in that: the sealing structure at the pump of the water supply and drainage pipeline comprises

The novel water pump comprises a first flange (1), wherein one side of the first flange (1) is fixedly connected with a pump head connecting pipe (2), one end, away from the pump head connecting pipe (2), of the first flange (1) is provided with a second flange (3), one end, away from the first flange (1), of the second flange (3) is fixedly connected with a water supply and drainage connecting pipe (4), a bolt groove (5) is formed in the outer ring of the first flange (1), a yielding groove (6) is formed in the outer ring of the second flange (3), a bolt (7) is sleeved between the bolt groove (5) and the yielding groove (6), and a bolt head of the bolt (7) penetrates through the yielding groove (6) and the bolt groove (5) to be in threaded connection with a nut (8);

the annular groove (9), annular groove (9) are seted up in the axle center outside of first flange (1), annular draw-in groove (10) have been seted up in the interior ring department that first flange (1) are located annular groove (9), the inside joint of annular draw-in groove (10) has sealing washer (11), one side that second flange (3) is close to annular groove (9) is provided with the sealing ring.

2. A sealing structure at a pump of a water supply and drainage pipeline according to claim 1, characterized in that: the inner side of the axis of the first flange (1) is provided with a pipe groove (12), the first flange (1) is positioned outside the pipe groove (12), an inner clamping groove (13) is annularly formed in the outer side of the pipe groove (12), and an inner sealing ring (14) is clamped in the inner clamping groove (13).

3. A sealing structure at a pump of a water supply and drainage pipeline according to claim 2, characterized in that: an internal thread (15) is formed in the inner wall of one end of the pipe groove (12) close to the second flange (3), and a thread head (16) is fixedly connected to the axial center of one end of the second flange (3) close to the first flange (1).

4. A sealing structure at a pump of a water supply and drainage pipeline according to claim 3, characterized in that: the pump head connecting pipe (2), the water supply and drainage connecting pipe (4), the pipe groove (12) and the screw head (16) are communicated.

5. A sealing structure at a pump of a water supply and drainage pipeline according to claim 1, characterized in that: the inner diameter of the abdication groove (6) is larger than that of the bolt groove (5).

6. A sealing structure at a pump of a water supply and drainage pipeline according to claim 1, characterized in that: the sealing ring (11) is made of rubber materials.