CN219774360U - Centrifugal pump with reinforced sealing - Google Patents

Abstract

The utility model discloses a centrifugal pump for strengthening sealing, which comprises: a liquid outlet pipe body; the inner wall upper end of the liquid outlet pipe body is provided with an upper inner ring threaded hole, the lower end of the inner wall of the liquid outlet pipe body is provided with a lower inner ring threaded hole, one end of the liquid outlet pipe body is connected with a threaded sealing pipeline in a screwed mode, one end below the threaded sealing pipeline is provided with a threaded pipe, one end above the threaded sealing pipeline is provided with a sealing joint, and one end of the outer wall of the sealing joint is provided with a sealing clamp. The threaded sealing pipeline is connected with the liquid outlet pipe body through the upper inner ring threaded hole, the threaded pipe is connected with the lower inner ring threaded hole, and the threaded sealing pipeline has good sealing performance in liquid outlet, so that leakage at the joint can be avoided when the liquid outlet pipe body is connected with an external pipeline, and the resistance of the liquid can be reduced when the liquid is discharged from a pump by virtue of the design of the cambered surface annular opening, and backflow and opposite flushing with liquid output at the back can be avoided.

Description

Centrifugal pump with reinforced sealing

Technical Field

The utility model relates to the technical field of centrifugal pump equipment, in particular to a centrifugal pump with reinforced sealing.

Background

The centrifugal pump is operated by utilizing the rotation of the impeller to make water generate centrifugal motion, before the water pump is started, the pump shell and the water suction pipe are required to be filled with water, then the motor is started, the pump shaft drives the impeller and the water to do high-speed rotation motion, the water generates centrifugal motion and is thrown to the outer edge of the impeller, and the water flows into the water pressing pipeline of the water pump through the runner of the volute pump shell.

The centrifugal pump plays the effect of sucking liquid and conveying liquid through centrifugal force, and the impeller that relies on the rotation is in the rotatory in-process, because the interaction of blade and liquid, the blade gives the liquid with mechanical energy, makes the pressure energy of liquid increase, reaches the mesh of conveying liquid, but the sealing performance of current centrifugal pump mainly embodies in the aspect of mechanical seal, has neglected when linking to outlet channel and outside pipeline, the condition of taking place the seepage easily, and also comparatively troublesome when changing the sealing member.

Disclosure of Invention

The utility model aims at: in order to solve the problems that the sealing performance of the existing centrifugal pump is mainly embodied in the aspect of mechanical sealing, the condition that leakage is easy to occur when a water outlet pipeline is connected with an external pipeline and the sealing element is relatively troublesome to replace is ignored, the centrifugal pump for reinforcing the sealing is provided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a centrifugal pump for enhanced sealing, comprising: a liquid outlet pipe body; the inner wall upper end of the liquid outlet pipe body is provided with an upper inner ring threaded hole, the lower end of the inner wall of the liquid outlet pipe body is provided with a lower inner ring threaded hole, one end of the liquid outlet pipe body is connected with a threaded sealing pipeline in a screwed mode, one end below the threaded sealing pipeline is provided with a threaded pipe, one end above the threaded sealing pipeline is provided with a sealing joint, and one end of the outer wall of the sealing joint is provided with a sealing clamp.

As still further aspects of the utility model: one end below the threaded pipe is provided with an arc-surface annular opening, and the arc-surface annular opening is matched with the inside of the liquid outlet pipe body.

As still further aspects of the utility model: the other end of the liquid outlet pipe body is fixedly connected with a pump body, and one end of the pump body is fixedly connected with a liquid inlet pipe body.

As still further aspects of the utility model: the pump body other end is equipped with the pump cover, pump cover one end is equipped with the axle sleeve.

As still further aspects of the utility model: the axle sleeve one end is equipped with the disc support, disc support one end fixedly connected with support frame, the support frame quantity is equipped with four groups, is located disc support one end symmetry sets up.

As still further aspects of the utility model: and one end of the disc support is provided with a motor.

As still further aspects of the utility model: the threaded sealing pipeline is matched with the upper inner ring threaded hole, the threaded pipe is matched with the lower inner ring threaded hole, a plurality of groups of sealing hoops are arranged, the sealing hoops are arranged on the outer wall of the sealing joint uniformly and symmetrically, the inner diameter of the upper inner ring threaded hole is larger than that of the lower inner ring threaded hole, and the upper inner ring threaded hole is positioned above the lower inner ring threaded hole.

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

1. the threaded sealing pipeline is connected with the liquid outlet pipe body through the upper inner ring threaded hole, meanwhile, the threaded pipe is connected with the lower inner ring threaded hole, and the threaded sealing pipeline has good sealing performance in liquid outlet, so that leakage can be avoided at the joint when the liquid outlet pipe body is connected with an external pipeline, and the resistance of the liquid can be reduced when the liquid is discharged from a pump by virtue of the design of the cambered surface annular opening, and backflow and opposite flushing with liquid output at the back can be avoided;

2. through the multiunit seal clamp of seal joint outer wall, reinforcing sealing performance when screw thread seal pipeline connects outside pipeline, prevents the condition that the seepage flows out of liquid emergence, and when the sealing member ages, can change through taking out screw thread seal pipeline, and it is simple relatively convenient to change the step.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the threaded hole of the inner ring in the utility model;

FIG. 3 is a schematic view of a threaded seal of a pipe according to the present utility model;

fig. 4 is a schematic structural view of a threaded pipe according to the present utility model.

In the figure: 1. a liquid outlet pipe body; 2. an upper inner ring threaded hole; 3. a lower inner ring threaded hole; 4. sealing the pipeline by threads; 5. a threaded tube; 6. sealing the joint; 7. sealing clamp; 8. a cambered surface ring opening; 9. a pump body; 10. a liquid inlet pipe body; 11. a pump cover; 12. a shaft sleeve; 13. a disc support; 14. a support frame; 15. and a motor.

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 noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

In an embodiment of the present utility model, a centrifugal pump for reinforcing sealing includes: a liquid outlet pipe body 1; the inner wall upper end of the liquid outlet pipe body 1 is provided with an upper inner ring threaded hole 2, the lower end of the inner wall of the liquid outlet pipe body 1 is provided with a lower inner ring threaded hole 3, one end of the liquid outlet pipe body 1 is connected with a threaded sealing pipeline 4 in a threaded mode, one end below the threaded sealing pipeline 4 is provided with a threaded pipe 5, one end above the threaded sealing pipeline 4 is provided with a sealing joint 6, and one end of the outer wall of the sealing joint 6 is provided with a sealing clamp 7.

The utility model discloses a drain pipe, including screw thread pipe 5, inner circle screw hole 1, screw thread pipe 5, inner circle screw hole 3, screw thread pipe 4, inner circle screw hole 1, screw thread pipe 13 one end is equipped with cambered surface ring mouth 8 below screw thread pipe 5 one end, cambered surface ring mouth 8 with the inside looks adaptation of drain pipe 1, drain pipe 1 other end fixedly connected with pump body 9, pump body 9 one end fixedly connected with feed liquor pipe 10, the pump body 9 other end is equipped with pump cover 11, pump cover 11 one end is equipped with axle sleeve 12, axle sleeve 12 one end is equipped with disc support 13, disc support 13 one end fixedly connected with support frame 14, support frame 14 quantity is equipped with four groups, is located disc support 13 one end symmetry sets up, disc support 13 one end is equipped with motor 15, screw thread seal pipe 4 with go up inner circle screw hole 2 looks adaptation, seal clamp 7 quantity is equipped with the multiunit, be located seal joint 6 outer wall uniform symmetry sets up, it is bigger than down inner circle screw hole 3 to go up inner circle screw hole 2 internal diameter, just inner circle screw hole 2 is located down inner circle screw hole 3 top, screw thread pipe 4 carries out connection with inner circle screw hole 1 through last inner circle screw hole 2 and inner circle screw hole 3, and inner circle screw hole 3 can have good leak connection when two kinds of screw thread pipe 1 and outer thread pipe appearance when the leak condition is good.

The working principle of the utility model is as follows: the screw thread seal pipeline 4 is connected with the drain pipe body 1 through the upper inner ring threaded hole 2, simultaneously the screw thread pipe 5 just is connected with the lower inner ring threaded hole 3, the screw thread connection mode of two different internal diameters can have good leakproofness when the drain pipe body 1 is connected with outside pipeline, the condition that the leakage can appear in the junction is avoided, by the design of cambered surface ring mouth 8, can reduce its resistance when the liquid goes out the pump, avoid causing backward flow and form the offset with the liquid of back output, through the multiunit seal clamp 7 of seal joint 6 outer wall, strengthen sealing performance when screw thread seal pipeline 4 connects outside pipeline, prevent the condition that the leakage flows out of liquid emergence, and when the sealing member ages, can change through taking out screw thread seal pipeline 4, the change step is simple relatively convenient.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. A centrifugal pump for enhanced sealing, comprising: a liquid outlet pipe body (1); the novel liquid outlet pipe is characterized in that an upper inner ring threaded hole (2) is formed in the upper end of the inner wall of the liquid outlet pipe body (1), a lower inner ring threaded hole (3) is formed in the lower end of the inner wall of the liquid outlet pipe body (1), a threaded sealing pipe (4) is connected with one end of the liquid outlet pipe body (1) in a threaded mode, a threaded pipe (5) is arranged at one end below the threaded sealing pipe (4), a sealing joint (6) is arranged at one end above the threaded sealing pipe (4), and a sealing clamp (7) is arranged at one end of the outer wall of the sealing joint (6).

2. The centrifugal pump with enhanced sealing according to claim 1, wherein an arc-surface annular opening (8) is arranged at one end below the threaded pipe (5), and the arc-surface annular opening (8) is matched with the inside of the liquid outlet pipe body (1).

3. The centrifugal pump with enhanced sealing according to claim 1, wherein the other end of the liquid outlet pipe body (1) is fixedly connected with a pump body (9), and one end of the pump body (9) is fixedly connected with a liquid inlet pipe body (10).

4. A centrifugal pump with enhanced sealing according to claim 3, wherein the other end of the pump body (9) is provided with a pump cover (11), and one end of the pump cover (11) is provided with a shaft sleeve (12).

5. The centrifugal pump with enhanced sealing according to claim 4, wherein one end of the shaft sleeve (12) is provided with a disc support (13), one end of the disc support (13) is fixedly connected with supporting frames (14), the number of the supporting frames (14) is four, and the supporting frames are symmetrically arranged at one end of the disc support (13).

6. A centrifugal pump with enhanced sealing according to claim 5, characterized in that the disc holder (13) is provided with a motor (15) at one end.

7. A centrifugal pump for reinforcing a seal according to claim 1, wherein the threaded sealing pipe (4) is adapted to the upper inner ring threaded hole (2), the threaded pipe (5) is adapted to the lower inner ring threaded hole (3), the number of the sealing clips (7) is provided with a plurality of groups, the sealing clips are uniformly and symmetrically arranged on the outer wall of the sealing joint (6), the inner diameter of the upper inner ring threaded hole (2) is larger than that of the lower inner ring threaded hole (3), and the upper inner ring threaded hole (2) is positioned above the lower inner ring threaded hole (3).