CN212003602U

CN212003602U - Centrifugal pump with improved sealing structure

Info

Publication number: CN212003602U
Application number: CN201922318241.1U
Authority: CN
Inventors: 石有源
Original assignee: 石有源
Current assignee: Hubei Jinchu Pump Industry Co.,Ltd.
Priority date: 2019-12-22
Filing date: 2019-12-22
Publication date: 2020-11-24
Anticipated expiration: 2029-12-22

Abstract

The utility model discloses an improve seal structure's centrifugal pump, including the centrifugal pump, the centrifugal pump comprises the pump body and motor, the bearing is installed to motor one end, and bearing one end extends to the inside of the pump body, the impeller is installed to bearing one end, the draw-in groove has been seted up to pump body one side, and draw-in groove edge has seted up the seal clearance, the inside sealing washer that is provided with of draw-in groove, the inside separation blade bearing outside that is provided with in seal clearance is provided with the bearing housing, and bearing housing one end passes through fastener and flange joint. The utility model discloses in, through having seted up draw-in groove and seal clearance in the one end of the pump body, be convenient for install sealing washer and separation blade respectively in draw-in groove and seal clearance's inside simultaneously, sealing washer and separation blade both ends are respectively in bearing outside surface contact simultaneously, through the setting of sealing washer and separation blade to improve the sealing performance of centrifugal pump, increase its performance.

Description

Centrifugal pump with improved sealing structure

Technical Field

The utility model relates to a centrifugal pump technical field especially relates to improve seal structure's centrifugal pump.

Background

A centrifugal pump (centrifugal pump) is a pump for conveying a liquid by a centrifugal force generated when an impeller rotates, and the centrifugal pump has various forms such as a vertical type, a horizontal type, a single stage, a multistage type, a single suction type, a double suction type, and a self suction type. Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller to be thrown into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell.

The prior art has the following problems:

the existing centrifugal pump is poor in sealing performance under a long-time working state, so that the service life of the centrifugal pump is shortened, the existing bearing is generally exposed to the outside, dust in air is easily adsorbed in the working process, and the bearing is easily corroded and damaged for a long time.

We have therefore proposed a centrifugal pump with improved sealing arrangements to address the above disadvantages.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, the leakproofness is poor, and the centrifugal pump of the improvement seal structure who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: improve seal structure's centrifugal pump, including the centrifugal pump, the centrifugal pump comprises the pump body and motor, the bearing is installed to motor one end, and bearing one end extends to the inside of the pump body, the impeller is installed to bearing one end.

Preferably, a clamping groove is formed in one side of the pump body, a sealing gap is formed in the edge of the clamping groove, a sealing ring is arranged inside the clamping groove, and a blocking piece is arranged inside the sealing gap.

Preferably, the bearing sleeve is arranged on the outer side of the bearing, and one end of the bearing sleeve is connected with the flange through a fastener.

Preferably, the two ends of the sealing ring are respectively contacted with the outer side surface of the bearing and the inner surface of the clamping groove, and the two ends of the blocking piece are respectively contacted with the inner surface of the bearing and the inner surface of the sealing gap.

Preferably, separation blade one end is provided with first connecting portion, bearing housing one end is provided with the second connecting portion, and first connecting portion and second connecting portion surface seted up the mounting hole, the separation blade passes through the mounting hole with the bearing housing through the fastener and fixes.

Preferably, the bottom end of the centrifugal pump is fixed with the bottom plate through a connecting piece.

Compared with the prior art, the utility model has the advantages that;

1. the utility model discloses, through having seted up draw-in groove and seal clearance in the one end of the pump body, be convenient for install sealing washer and separation blade respectively in draw-in groove and seal clearance's inside simultaneously, sealing washer and separation blade both ends are respectively in bearing outside surface contact simultaneously, through the setting of sealing washer and separation blade to improve the sealing performance of centrifugal pump, increase its performance.

2. The utility model discloses, be provided with the bearing housing on the outside surface of bearing, be convenient for the protection to the bearing through setting up the bearing housing to prevent that the dust in the air of external from adsorbing on the bearing, cause corruption and damage to the bearing, be provided with connecting portion in the one end of bearing housing simultaneously, thereby make the bearing housing fixed with the connecting portion of separation blade one end through the connecting portion of one end, thereby improve the stability of bearing housing in the course of the work.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a centrifugal pump with an improved sealing structure according to the present invention;

fig. 2 is a schematic diagram of a centrifugal pump body with an improved sealing structure provided by the utility model;

fig. 3 is a schematic view of a centrifugal pump baffle plate with an improved sealing structure provided by the utility model;

fig. 4 is a schematic view of the centrifugal pump bearing housing with the improved sealing structure provided by the utility model.

Illustration of the drawings:

1. a centrifugal pump; 2. a bearing housing; 3. a motor; 4. a base plate; 5. a pump body; 6. an impeller; 7. a bearing; 8. a card slot; 9. sealing the gap; 10. mounting holes; 11. a fastener; 12. a baffle plate; 13. a seal ring; 14. a first connection portion; 15. a second connecting portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a centrifugal pump with an improved sealing structure comprises a centrifugal pump 1, wherein the centrifugal pump 1 is composed of a pump body 5 and a motor 3, a bearing 7 is installed at one end of the motor 3, one end of the bearing 7 extends into the pump body 5, an impeller 6 is installed at one end of the bearing 7, a clamping groove 8 is formed in one side of the pump body 5, a sealing gap 9 is formed in the edge of the clamping groove 8, a sealing ring 13 is arranged inside the clamping groove 8, a separation blade 12 is arranged inside the sealing gap 9, two ends of the sealing ring 13 are respectively in surface contact with the outer side surface of the bearing 7 and the inner surface of the clamping groove 8, and two.

In this embodiment: by arranging the sealing ring 13 and the baffle plate 12, the sealing performance of the centrifugal pump 1 is improved, and the use performance of the centrifugal pump is improved.

Specifically, the bearing sleeve 2 is arranged outside the bearing 7, and one end of the bearing sleeve 2 is connected with the flange through a fastener 11.

In this embodiment: through setting up bearing housing 2, be convenient for to the protection of bearing 7 to prevent that the dust in the outside air from adsorbing on bearing 7, causing corruption and damage to bearing 7.

Specifically, a first connecting portion 14 is arranged at one end of the blocking piece 12, a second connecting portion 15 is arranged at one end of the bearing sleeve 2, a mounting hole 10 is formed in the surface of the first connecting portion 14 and the surface of the second connecting portion 15, and the blocking piece 12 and the bearing sleeve 2 are fixed through the mounting hole 10 through a fastener 11.

In this embodiment: through setting up mounting hole 10, be convenient for bearing housing 2 and separation blade 12 to install to improve the stability of bearing housing 2.

Specifically, the bottom end of the centrifugal pump 1 is fixed with the bottom plate 4 through a connecting piece.

In this embodiment: through setting up bottom plate 4, be convenient for to the support of centrifugal pump 1 to guarantee the stability of centrifugal pump 1 in the course of the work.

The working principle is as follows: during the use, at first, bearing 7 is fixed with motor 3 output end, later install the inside at the pump body 5 to the bearing 7 other end, draw-in groove 8 and seal clearance 9 have been seted up to one end at the pump body 5, be convenient for to the installation of bearing 7, install sealing washer 13 and separation blade 12 respectively in draw-in groove 8 and seal clearance 9's inside simultaneously, sealing washer 13 and separation blade 12 both ends are respectively in bearing 7 outside surface contact, setting through sealing washer 13 and separation blade 12, thereby improve centrifugal pump 1's sealing performance, increase its performance, after the installation is accomplished, it is fixed with the connecting portion of separation blade 12 one end to cover bearing 7 connecting portion through one end, through setting up bearing housing 2, be convenient for to the protection of bearing 7, thereby prevent that the dust in the external air from adsorbing on bearing 7, cause corruption and damage to bearing 7.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Improve seal structure's centrifugal pump, including centrifugal pump (1), its characterized in that, centrifugal pump (1) comprises the pump body (5) and motor (3), bearing (7) are installed to motor (3) one end, and bearing (7) one end extends to the inside of the pump body (5), impeller (6) are installed to bearing (7) one end.

2. The centrifugal pump with the improved sealing structure according to claim 1, wherein a clamping groove (8) is formed in one side of the pump body (5), a sealing gap (9) is formed in the edge of the clamping groove (8), a sealing ring (13) is arranged inside the clamping groove (8), and a blocking piece (12) is arranged inside the sealing gap (9).

3. The centrifugal pump with the improved sealing structure is characterized in that a bearing sleeve (2) is arranged outside the bearing (7), and one end of the bearing sleeve (2) is connected with the flange through a fastener (11).

4. The centrifugal pump with the improved sealing structure according to claim 2, wherein both ends of the sealing ring (13) are respectively in contact with the outer side surface of the bearing (7) and the inner surface of the clamping groove (8), and both ends of the baffle plate (12) are respectively in contact with the inner surfaces of the bearing (7) and the sealing gap (9).

5. The centrifugal pump with the improved sealing structure is characterized in that one end of the baffle plate (12) is provided with a first connecting part (14), one end of the bearing sleeve (2) is provided with a second connecting part (15), the surfaces of the first connecting part (14) and the second connecting part (15) are provided with mounting holes (10), and the baffle plate (12) and the bearing sleeve (2) are fixed through the mounting holes (10) through fasteners (11).

6. Centrifugal pump with improved sealing structure according to claim 1, characterized in that the bottom end of the centrifugal pump (1) is fixed with the bottom plate (4) by a connecting piece.