CN217898253U

CN217898253U - Water pump with two-way sealing device

Info

Publication number: CN217898253U
Application number: CN202221278138.4U
Authority: CN
Inventors: 邹义山
Original assignee: Xinghua Dahai Pump Co ltd
Current assignee: Xinghua Dahai Pump Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-11-25
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a water pump with two way seal device, which comprises a housin, the inside of casing is through driving piece fixedly connected with drive shaft, the one end fixedly connected with impeller of drive shaft, the first spring of the equal fixedly connected with of upper and lower inner wall of casing, the first connecting plate of one end fixedly connected with of casing is kept away from to first spring, the sealed pad of one side fixed surface fixedly connected with of first spring is kept away from to first connecting plate, the equal fixedly connected with second spring in the upper and lower region of one side inner wall of casing, the one end fixedly connected with second connecting plate of casing is kept away from to the second spring, one side fixed surface fixedly connected with sealing washer of second spring is kept away from to the second connecting plate. The utility model discloses in, when the long-time and sealing washer of impeller, sealed pad rotate the contact, sealing washer and sealed pad can have wearing and tearing, and at this moment, first spring and second spring can make impeller and corresponding sealing washer and sealed pad laminate, keep the leakproofness.

Description

Water pump with two-way sealing device

Technical Field

The utility model relates to a water pump technical field especially relates to water pump with two way seal device.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. Liquids, gas mixtures, and liquids containing suspended solids may also be transported. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like; the pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like.

The sealing performance of water pump is very important, sealed effect lies in reducing the loss of revealing between the impeller and the pump body, and prevent in the water pump that liquid flows out or prevent that the air from leaking into the water pump, but current seal structure still has the defect, the water pump sealing device who adopts all is the sealed of adopting the single direction, or adopt radial seal, or adopt axial seal, these two kinds of sealed modes, because only seal from the folk prescription to, consequently, sealed effect is poor, still can not effectively overcome the leakage problem, and the long-time use of sealing washer, can appear wearing and tearing, and then reduce sealed effect, so need a water pump with two-way sealing device that can solve above problem now.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a water pump with a bidirectional sealing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the water pump with the bidirectional sealing device comprises a shell, wherein a driving shaft is fixedly connected inside the shell through a driving part, one end of the driving shaft is fixedly connected with an impeller, the upper inner wall and the lower inner wall of the shell are fixedly connected with first springs, one end, far away from the shell, of each first spring is fixedly connected with a first connecting plate, and the outer surface of one side, far away from the first springs, of each first connecting plate is fixedly connected with a sealing gasket;

the equal fixedly connected with second spring in upper and lower region of one side inner wall of casing, the one end fixedly connected with second connecting plate of casing is kept away from to the second spring, the outer fixed surface in one side of second spring is kept away from to the second connecting plate is connected with the sealing washer.

As a further description of the above technical solution:

the upper side sealing gasket and the lower side sealing gasket are separated, namely two same sealing forms.

As a further description of the above technical solution:

the side wall of the impeller is attached to the two sealing gaskets.

As a further description of the above technical solution:

the front end surface of the impeller is attached to the sealing ring.

As a further description of the above technical solution:

the right end of the shell is fixedly communicated with a connecting pipe, and the outer end of the connecting pipe is provided with a water outlet.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this water pump with two-way sealing device is provided with sealing washer and two sealed pads, can realize two-way seal, and is sealed effectual.

2. Compared with the prior art, this water pump with two-way sealing device is provided with first spring, first connecting plate and second spring, second connecting plate, when the long-time and sealing washer of impeller, sealed pad rotate the contact, can lead to the fact certain wearing and tearing to sealing washer and sealed pad, at this moment, first spring and second spring just can make impeller and corresponding sealing washer and sealed pad laminate again, keep the leakproofness.

Drawings

Fig. 1 is a cross-sectional view of a water pump with a bidirectional sealing device according to the present invention;

fig. 2 is an enlarged schematic view of a structure at a in fig. 1 of the water pump with the bidirectional sealing device according to the present invention;

fig. 3 is an enlarged schematic view of a structure at B in fig. 1 of the water pump with the bidirectional sealing device according to the present invention;

fig. 4 is a perspective view of the water pump with the bidirectional sealing device provided by the present invention.

Illustration of the drawings:

1. a housing; 2. a drive shaft; 3. an impeller; 4. a first spring; 5. a first connecting plate; 6. a gasket; 7. a second spring; 8. a second connecting plate; 9. a seal ring; 10. a connecting pipe; 11. and (7) a water outlet.

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 efforts all 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, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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, the present invention provides an embodiment: water pump with two way seal device, which comprises a housin 1, driving piece fixedly connected with drive shaft 2 is passed through to casing 1's inside, drive shaft 2's one end fixedly connected with impeller 3, casing 1 is last, the first spring 4 of the equal fixedly connected with of lower inner wall, the first connecting plate 5 of the one end fixedly connected with of casing 1 is kept away from to first spring 4, the sealed pad 6 of one side surface fixedly connected with that first spring 4 is kept away from to first connecting plate 5, the sealed 6 of the sealed pad 6 of upside and the sealed 6 of downside are the split type, two the same sealed forms promptly, impeller 3's lateral wall and the laminating of two sealed pads 6, realize radial seal.

The equal fixedly connected with second spring 7 in upper and lower region of one side inner wall of casing 1, the one end fixedly connected with second connecting plate 8 of casing 1 is kept away from to second spring 7, and second spring 7's one side external surface fixedly connected with sealing washer 9 is kept away from to second connecting plate 8, and the front end surface of impeller 3 and the laminating of sealing washer 9 realize axial seal.

The right end of the shell 1 is fixedly communicated with a connecting pipe 10, and the outer end of the connecting pipe 10 is provided with a water outlet 11.

The working principle is as follows: when the water pump with the bidirectional sealing device is used, the driving piece drives the impeller 3 to rotate, normal work is realized, radial sealing can be realized by arranging the first spring 4, the first connecting plate 5 and the two sealing gaskets 6, when the impeller 3 is in rotary contact with the two sealing gaskets 6 for a long time, the sealing gaskets 6 are abraded to a certain extent, at the moment, the sealing gaskets 6 are attached to the impeller 3 again under the elastic action of the first spring 4, and the sealing performance is ensured; in a similar way, through being provided with second spring 7, second connecting plate 8 and sealing washer 9, can realize axial seal, and rotate the contact when impeller 3 is long-time with sealing washer 9, certain wearing and tearing can appear in sealing washer 9, and at this moment, under the elastic action of second spring 7, sealing washer 9 can keep laminating with impeller 3 again, guarantees the leakproofness.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. Water pump with two way seal device, including casing (1), its characterized in that: a driving shaft (2) is fixedly connected inside the shell (1) through a driving part, one end of the driving shaft (2) is fixedly connected with an impeller (3), the upper inner wall and the lower inner wall of the shell (1) are fixedly connected with a first spring (4), one end, far away from the shell (1), of the first spring (4) is fixedly connected with a first connecting plate (5), and the outer surface of one side, far away from the first spring (4), of the first connecting plate (5) is fixedly connected with a sealing gasket (6);

the equal fixedly connected with second spring (7) in upper and lower region of one side inner wall of casing (1), the one end fixedly connected with second connecting plate (8) of casing (1) are kept away from in second spring (7), one side external surface fixedly connected with sealing washer (9) of second spring (7) are kept away from in second connecting plate (8).

2. The water pump with the bidirectional sealing device according to claim 1, wherein: the upper side sealing gasket (6) and the lower side sealing gasket (6) are separated, namely two same sealing forms.

3. The water pump with the bidirectional sealing device according to claim 1, wherein: the side wall of the impeller (3) is attached to the two sealing gaskets (6).

4. The water pump with the bidirectional sealing device according to claim 1, wherein: the front end surface of the impeller (3) is attached to the sealing ring (9).

5. The water pump with the bidirectional sealing device according to claim 1, wherein: the right end of the shell (1) is fixedly communicated with a connecting pipe (10), and the outer end of the connecting pipe (10) is provided with a water outlet (11).