CN219299925U

CN219299925U - Pump sealing structure

Info

Publication number: CN219299925U
Application number: CN202222884108.4U
Authority: CN
Inventors: 杜文鑫
Original assignee: Suzhou Zhonggang Surui Fluid Machinery Technology Co ltd
Current assignee: Suzhou Zhonggang Surui Fluid Machinery Technology Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-07-04
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a pump sealing structure in the technical field of pump sealing, which comprises a base, a cooling pipe and a stationary ring seat, wherein the cooling pipe is fixedly connected to the top of the base, the stationary ring seat is fixedly connected to the top of the cooling pipe, the left side wall of the cooling pipe is fixedly connected with a liquid inlet pipe, the right side wall of the cooling pipe is fixedly connected with a liquid outlet pipe, the inner side wall of the cooling pipe is rotationally connected with a movable ring, the inner side wall of the movable ring is fixedly connected with a lantern ring, the base is in a cylindrical shape, the inner side wall of the base is sheathed with an elastic piece, the elastic piece is a spring, the top end of the elastic piece is fixedly connected with a fixed ring, the inner side wall of the stationary ring seat is fixedly connected with a sealing ring, and the top of the stationary ring seat is provided with a clamping groove.

Description

Pump sealing structure

Technical Field

The utility model relates to the technical field of pump sealing, in particular to a pump sealing structure.

Background

The pump seal refers to a device which is installed and operated in pump equipment to perform a sealing function in a starting state, and fluid medium in a volute of the water pump is prevented from flowing out of the water pump through a pump shaft.

In the use process of the existing pump sealing component, as the movable ring rotates at a high speed along with the pump shaft, the movable ring can rub with the movable ring seat at a high speed, then high temperature is generated, the component is damaged when the temperature is too high, and the static ring of the pump seal does not rotate along with the pump shaft, so that a fine gap exists between the static ring and the pump shaft, and the sealing performance of the pump seal is affected.

Disclosure of Invention

The utility model aims to provide a pump sealing structure, which solves the problems that the temperature is too high and a fine gap exists between a static ring and a pump shaft when the dynamic ring rotates at a high speed in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pump seal structure, includes base, cooling tube and quiet ring seat, cooling tube fixed connection is in the top of base, quiet ring seat fixed connection is in the top of cooling tube, the left side wall fixedly connected with feed liquor pipe of cooling tube, the right side wall fixedly connected with drain pipe of cooling tube, the inside wall rotation of cooling tube is connected with the rotating ring, the inside wall fixedly connected with lantern ring of rotating ring.

As a further description of the above technical solution:

the shape of the base is cylindrical.

As a further description of the above technical solution:

the inside wall of base has cup jointed the elastic component, the elastic component is the spring.

As a further description of the above technical solution:

the top end of the elastic piece is fixedly connected with a fixing ring.

As a further description of the above technical solution:

the inner side wall fixedly connected with sealing washer of quiet ring seat, the draw-in groove has been seted up at the top of quiet ring seat.

As a further description of the above technical solution:

the sealing ring is made of rubber materials.

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

1. this pump seal structure can pour into the coolant liquid into the cooling tube through the feed liquor pipe for the coolant liquid cools down the rotating ring, and the rethread drain pipe will absorb the thermal coolant liquid and discharge, makes the coolant liquid can improve good cooling effect, thereby avoids the rotating ring high temperature, extension pump seal life.

2. According to the pump sealing structure, the sealing ring is sleeved on the inner side wall of the static ring seat, so that a fine gap between the static ring and the pump shaft is filled by the sealing ring, and the sealing performance of the pump sealing structure is improved.

Drawings

FIG. 1 is a schematic perspective view of a pump seal structure according to the present utility model;

FIG. 2 is a schematic diagram of a pump seal according to the present utility model in a front cross-sectional view;

FIG. 3 is a schematic diagram of a pump seal structure according to the present utility model;

fig. 4 is a schematic top view of a pump sealing structure according to the present utility model.

In the figure: 100. a base; 110. an elastic member; 120. a fixing ring; 200. a cooling tube; 210. a liquid inlet pipe; 220. a liquid outlet pipe; 230. a moving ring; 240. a collar; 300. a stationary ring seat; 310. a seal ring; 320. a clamping groove.

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 "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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.

The utility model provides a pump sealing structure, which can effectively cool a movable ring and improve the structural tightness, referring to fig. 1-4, and comprises a base 100, a cooling pipe 200 and a stationary ring seat 300;

referring to fig. 1-3, a base 100 is provided for mounting a cooling tube 200;

referring to fig. 1-3 again, the cooling tube 200 is fixedly connected to the top of the base 100, the left side wall of the cooling tube 200 is fixedly connected with the liquid inlet tube 210, the liquid inlet tube 210 is used for inputting cooling liquid, the right side wall of the cooling tube 200 is fixedly connected with the liquid outlet tube 220, the liquid outlet tube 220 is used for discharging cooling liquid, the inner side wall of the cooling tube 200 is rotatably connected with the moving ring 230, the moving ring 230 is used for rotating along with the pump shaft, the inner side wall of the moving ring 230 is fixedly connected with the lantern ring 240, the lantern ring 240 is used for fixing the moving ring 230 on the pump shaft, and the cooling liquid can circulate through the liquid inlet tube 210 and the liquid outlet tube 220;

referring again to fig. 1-4, a stationary ring seat 300 is fixedly connected to the top of the cooling tube 200, the stationary ring seat 300 being used for sealing;

in summary, the over-high temperature of the moving ring 230 is avoided, and the service life of the pump seal is prolonged.

Referring again to fig. 1-4, the shape of the base 100 is cylindrical, which allows the pump seal to conform well to the pump shaft.

Referring to fig. 2, an inner side wall of the base 100 is sleeved with an elastic member 110, the elastic member 110 is a spring, and a force generated by sealing and shaking of the pump can be reduced through the elastic member 110.

Referring to fig. 2 again, the top end of the elastic member 110 is fixedly connected with a fixing ring 120, and the fixing effect is improved by the fixing ring 120.

Referring to fig. 1 again, a sealing ring 310 is fixedly connected to an inner side wall of the stationary ring seat 300, and a clamping groove 320 is formed at the top of the stationary ring seat 300, so that the sealing performance can be improved through the sealing ring 310.

Referring again to fig. 1, the seal ring 310 is made of rubber.

In summary, the sealability of the pump seal structure is thereby increased.

When the pump is in specific use, a person skilled in the art firstly stretches the tail end of the pump shaft into the cooling pipe 200 from the bottom of the base 100, the tail end of the pump shaft firstly passes through the elastic element 110 and the fixed ring 120, then passes through the movable ring 230, finally enters the static ring seat 300, then the sealing ring 310 is sleeved on the outer side wall of the pump shaft, finally is clamped on the mechanical seal pressure cover of the pump, and the installation is completed, and when the pump works, cooling liquid can be injected into the cooling pipe 200 through the liquid inlet pipe 210, so that the cooling liquid cools the movable ring 230, and the cooling liquid absorbing heat is discharged through the liquid outlet pipe 220.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A pump seal structure, characterized in that: including base (100), cooling tube (200) and quiet ring seat (300), cooling tube (200) fixed connection is in the top of base (100), quiet ring seat (300) fixed connection is in the top of cooling tube (200), the left side wall fixedly connected with feed liquor pipe (210) of cooling tube (200), the right side wall fixedly connected with drain pipe (220) of cooling tube (200), the inside wall rotation of cooling tube (200) is connected with rotating ring (230), the inside wall fixedly connected with lantern ring (240) of rotating ring (230).

2. A pump seal according to claim 1, wherein: the shape of the base (100) is a cylindrical shape.

3. A pump seal according to claim 1, wherein: the inner side wall of the base (100) is sleeved with an elastic piece (110), and the elastic piece (110) is a spring.

4. A pump seal according to claim 3, wherein: the top end of the elastic piece (110) is fixedly connected with a fixing ring (120).

5. A pump seal according to claim 1, wherein: the inner side wall of the stationary ring seat (300) is fixedly connected with a sealing ring (310), and a clamping groove (320) is formed in the top of the stationary ring seat (300).

6. A pump seal according to claim 5, wherein: the sealing ring (310) is made of rubber materials.