CN211174744U - High-sealing easy-to-clean water pump - Google Patents

High-sealing easy-to-clean water pump Download PDF

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Publication number
CN211174744U
CN211174744U CN201921000033.0U CN201921000033U CN211174744U CN 211174744 U CN211174744 U CN 211174744U CN 201921000033 U CN201921000033 U CN 201921000033U CN 211174744 U CN211174744 U CN 211174744U
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sealing ring
sealing
pump
ring
static
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CN201921000033.0U
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杨旺章
余海龙
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Fujian Dacheng Electric Group Co ltd
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Fujian Dacheng Electric Group Co ltd
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Abstract

The utility model relates to the technical field of water pumps, in particular to a high-sealing and easy-cleaning water pump, which comprises a pump body, a pump shaft, a sealing mechanism and a cleaning mechanism; the high-sealing easy-cleaning water pump provided by the utility model has the advantages that under the action of the tensioning spring, each static sealing ring can always abut against the inner side wall of the movable ring and the outer side wall of the pump shaft, and under the action of the sealing spring, the movable sealing ring always presses on the static sealing ring in a low pressure manner, so that the gap between the pump body and the pump shaft can be effectively sealed, and the service life of the sealing structure is prolonged; the cleaning mechanism is simple in structure, low in cost, convenient to install, stable and reliable, and high sealing performance between the pump body and the pump shaft provides a good using environment for the cleaning mechanism.

Description

High-sealing easy-to-clean water pump
Technical Field
The utility model relates to a water pump technical field, concretely relates to high leakproofness easily washs water pump.
Background
The water pump is a machine for conveying liquid or pressurizing liquid, and it can transfer the mechanical energy of prime mover or other external energy to the liquid to increase the energy of liquid, and is mainly used for conveying liquid including water, oil, acid-base liquid, emulsion, suspoemulsion, liquid metal, etc., and can also convey liquid, gas mixture and liquid containing suspended solid matter. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like, and the water pump can be divided into a volumetric 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. Need the motor to drive the operation in the water pump, the motor shaft of motor is connected with the pump shaft of water pump usually, wherein avoids the motor to damage, is provided with mechanical seal usually on the pump shaft, avoids liquid to get into the motor chamber, and the sealing member is as the key part of water pump, and its quality requirement is higher and higher more, and the relatively poor sealing member of quality can lead to the life of water pump to receive serious influence.
During the operation of the water pump, the scale on the overflowing surface inside the water pump is often formed due to the reasons of too high salinity or too high hardness of the conveyed liquid, so that the adverse effects of reduced overflowing area, increased friction resistance of the overflowing surface, corrosion of the overflowing surface, imbalance of an impeller and the like are caused, and finally, the operation efficiency and the stability are remarkably reduced. Therefore, the inner overflowing surface of the water pump needs to be cleaned in time by using a cleaning agent to remove scales; in the prior art, a water pump is usually cleaned in two ways, the first way is to add a cleaning agent into the conveying liquid, so that a large amount of cleaning agent is needed to be added in order to maintain the sufficient concentration of the cleaning liquid, and unnecessary influences are caused on fluid conveying systems other than the water pump, such as other process equipment and pipelines; the second way is to stop the pump and remove it for cleaning, which entails great operational inconvenience.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a high leakproofness easily washs water pump is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the high-sealing easy-cleaning water pump is characterized by comprising a pump body, a pump shaft, a sealing mechanism and a cleaning mechanism;
a pump shaft is rotationally connected in the pump body, and an inlet part and an outlet part are arranged at two opposite ends of the pump body;
the sealing mechanism comprises a static sealing ring, a movable ring seat and a movable sealing ring, and the static sealing ring and the movable sealing ring are sleeved on the pump shaft;
the dynamic sealing device comprises a static sealing ring, a dynamic sealing ring, a sealing spring, a plurality of static sealing rings and a tensioning spring, wherein the static sealing ring is fixedly connected to a shaft hole of a pump body, the dynamic sealing ring is sleeved and fixedly connected to the surface of a pump shaft, the dynamic sealing ring is connected to the dynamic sealing ring in a sliding mode along the axial direction of the pump shaft, the sealing spring is arranged between the dynamic sealing ring and used for enabling the dynamic sealing ring to be pressed on the side surface of the static sealing ring in a low-pressure mode, the dynamic sealing ring is arranged on the side surface, in contact with the static sealing ring;
the cleaning mechanism comprises a liquid adding valve, a liquid adding box and a liquid discharging valve;
the liquid feeding valve is arranged at the top of the inlet part of the pump body, the liquid feeding box is communicated with the liquid feeding valve, the liquid feeding box is filled with a water pump cleaning agent, and the liquid discharging valve is arranged at the bottom of the outlet part.
The number of the static sealing rings is three, and the number of the tensioning springs is two.
The pump body is provided with an annular static ring seat, an annular fixed groove is circumferentially formed in the inner side wall of the static ring seat, the static sealing ring is clamped and connected in the fixed groove, and static gaskets are arranged between two side walls of the static sealing ring and two opposite side walls of the fixed groove.
Wherein, add the liquid cavity valve and pass through the screw thread or weld and connect gradually the inlet portion with add the liquid case.
One end of the liquid discharging valve is connected with a liquid discharging pipe, and the liquid discharging valve is sequentially connected with the outlet part and the liquid discharging pipe through threads or welding.
The beneficial effects of the utility model reside in that: the high-sealing easy-cleaning water pump provided by the utility model has the advantages that under the action of the tensioning spring, each static sealing ring can always abut against the inner side wall of the movable ring and the outer side wall of the pump shaft, and under the action of the sealing spring, the movable sealing ring always presses on the static sealing ring in a low pressure manner, so that the gap between the pump body and the pump shaft can be effectively sealed, and the service life of the sealing structure is prolonged; the cleaning mechanism is simple in structure, low in cost, convenient to install, stable and reliable, and high sealing performance between the pump body and the pump shaft provides a good using environment for the cleaning mechanism.
Drawings
Fig. 1 is a schematic structural view of a sealing mechanism of a high-sealing easy-cleaning water pump according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a seal cavity of a high-sealing easy-cleaning water pump according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a cleaning mechanism of a high-sealing easy-cleaning water pump according to an embodiment of the present invention;
description of reference numerals:
1. a pump body; 11. an inlet section; 12. an outlet portion;
2. a pump shaft;
3. a sealing mechanism; 31. a static seal ring; 32. a movable ring seat; 33. a movable sealing ring; 34. a seal spring; 35. a movable sealing ring; 36. sealing the cavity; 37. a static seal ring; 38. tensioning the spring;
4. a cleaning mechanism; 41. a liquid feeding valve; 42. a liquid adding tank; 43. and a liquid discharge valve.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: the water pump is easily washd to high leakproofness, and under the effect of tensioning spring, each static sealing washer homoenergetic supports all the time to press on rotating ring inside wall and pump shaft lateral wall, and under sealing spring's effect, the rotating ring is the low pressure all the time on static sealing ring, consequently can play effective seal to the clearance between the pump body and the pump shaft, improves seal structure's life.
Referring to fig. 1, 2 and 3, the high-sealing easy-to-clean water pump of the present invention includes a pump body 1, a pump shaft 2, a sealing mechanism 3 and a cleaning mechanism 4;
a pump shaft 2 is rotatably connected to the pump body 1, and an inlet part 11 and an outlet part 12 are arranged at two opposite ends of the pump body 1;
the sealing mechanism 3 comprises a static sealing ring 31, a movable ring seat 32 and a movable sealing ring 33, and the static sealing ring 31 and the movable sealing ring 33 are sleeved on the pump shaft 2;
the static sealing ring 31 is fixedly connected to a shaft hole of the pump body 1, the movable ring seat 32 is fixedly sleeved on the surface of the pump shaft 2, the movable sealing ring 33 is axially and slidably connected to the movable ring seat 32 along the pump shaft 2, a sealing spring 34 is arranged between the movable ring seat 32 and the movable sealing ring 33, the sealing spring 34 is used for enabling the movable sealing ring 33 to be pressed on the side surface of the static sealing ring 31, a movable sealing ring 35 is arranged on the surface, in contact with the static sealing ring 31, of the movable sealing ring 33, a sealing cavity 36 is formed by the inner side surface of the movable sealing ring 33 and the surface of the pump shaft 2, a plurality of static sealing rings 37 sleeved on the pump shaft 2 are arranged in the sealing cavity 36, and a tensioning spring 38 is arranged between;
the cleaning mechanism 4 comprises a liquid adding valve 41, a liquid adding box 42 and a liquid discharging valve 43;
the liquid adding valve 41 is arranged at the top of the inlet part 11 of the pump body 1, the liquid adding tank 42 is communicated with the liquid adding valve 41, the liquid adding tank 42 is filled with a water pump cleaning agent, and the liquid discharging valve 43 is arranged at the bottom of the outlet part 12.
The working principle of the high-sealing easy-cleaning water pump is as follows: when the water pump works, the liquid charging valve 41 and the liquid discharging valve 43 are both in a normally closed state, the movable ring seat 32 is fixedly connected to the pump shaft 2 and can rotate along with the pump shaft 2, one end of the movable sealing ring 33 abuts against the side face of the static sealing ring 31 under the action of the sealing spring 34 to form mechanical seal with the static sealing ring 31, the movable sealing ring 35 on the movable sealing ring 33 further ensures the sealing performance, a gap is formed between the inner side wall of the movable sealing ring 33 and the pump shaft 2, the gap forms a sealing cavity 36, the sealing ring and the tensioning spring 38 are both arranged in the sealing cavity 36, and because each sealing ring can always abut against the inner side wall of the movable ring and the outer side wall of the pump shaft 2 under the action of the tensioning spring 38, the gap between the movable ring and the pump shaft 2 can be effectively sealed; when the water pump needs to be cleaned, the water inlet and the water outlet of the water pump are closed simultaneously in a water-filled state after the water pump is stopped, the liquid adding valve 41 is opened, the water pump cleaning agent in the liquid adding tank 42 is added into the pump body 1, the overflowing surface in the pump body 1 is soaked and cleaned, the liquid discharging valve is opened to empty liquid after the cleaning is finished, and then the liquid discharging valve and the liquid adding cavity valve are closed in sequence.
As can be seen from the above description, the utility model has the advantages that: the high-sealing easy-cleaning water pump provided by the utility model has the advantages that under the action of the tensioning spring, each static sealing ring can always abut against the inner side wall of the movable ring and the outer side wall of the pump shaft, and under the action of the sealing spring, the movable sealing ring always presses on the static sealing ring in a low pressure manner, so that the gap between the pump body and the pump shaft can be effectively sealed, and the service life of the sealing structure is prolonged; the cleaning mechanism is simple in structure, low in cost, convenient to install, stable and reliable, and high sealing performance between the pump body and the pump shaft provides a good using environment for the cleaning mechanism.
Further, there are three static sealing rings 37 and two tension springs 38.
Further, be equipped with annular quiet ring seat on the pump body 1, annular fixed slot has been seted up to circumference on the quiet ring seat inside wall, quiet sealing ring 31 joint links firmly in the fixed slot, be equipped with the quiet gasket between the relative both sides wall of quiet sealing ring 31 both sides wall and fixed slot.
Further, the liquid adding cavity valve is connected with the inlet part 11 and the liquid adding box 42 in sequence through threads or welding.
Furthermore, one end of the liquid discharge valve is connected with a liquid discharge pipe, and the liquid discharge valve is sequentially connected with the outlet part 12 and the liquid discharge pipe through threads or welding.
Referring to fig. 1, fig. 2 and fig. 3, a first embodiment of the present invention is:
the high-sealing easy-cleaning water pump comprises a pump body 1, a pump shaft 2, a sealing mechanism 3 and a cleaning mechanism 4;
a pump shaft 2 is rotatably connected to the pump body 1, and an inlet part 11 and an outlet part 12 are arranged at two opposite ends of the pump body 1;
the sealing mechanism 3 comprises a static sealing ring 31, a movable ring seat 32 and a movable sealing ring 33, and the static sealing ring 31 and the movable sealing ring 33 are sleeved on the pump shaft 2;
the static sealing ring 31 is fixedly connected to a shaft hole of the pump body 1, the movable ring seat 32 is fixedly sleeved on the surface of the pump shaft 2, the movable sealing ring 33 is axially and slidably connected to the movable ring seat 32 along the pump shaft 2, a sealing spring 34 is arranged between the movable ring seat 32 and the movable sealing ring 33, the sealing spring 34 is used for enabling the movable sealing ring 33 to be pressed on the side surface of the static sealing ring 31, a movable sealing ring 35 is arranged on the surface, in contact with the static sealing ring 31, of the movable sealing ring 33, a sealing cavity 36 is formed by the inner side surface of the movable sealing ring 33 and the surface of the pump shaft 2, a plurality of static sealing rings 37 sleeved on the pump shaft 2 are arranged in the sealing cavity 36, and a tensioning spring 38 is arranged between;
the cleaning mechanism 4 comprises a liquid adding valve 41, a liquid adding box 42 and a liquid discharging valve 43;
the liquid adding valve 41 is arranged at the top of the inlet part 11 of the pump body 1, the liquid adding tank 42 is communicated with the liquid adding valve 41, the liquid adding tank 42 is filled with a water pump cleaning agent, and the liquid discharging valve 43 is arranged at the bottom of the outlet part 12;
three static sealing rings 37 are provided, and two tensioning springs 38 are provided;
an annular static ring seat is arranged on the pump body 1, an annular fixing groove is circumferentially formed in the inner side wall of the static ring seat, the static sealing ring 31 is fixedly connected in the fixing groove in a clamping mode, and static gaskets are arranged between two side walls of the static sealing ring 31 and two opposite side walls of the fixing groove;
the liquid adding cavity valve is sequentially connected with the inlet part 11 and the liquid adding box 42 through threads or welding;
one end of the liquid discharging valve is connected with a liquid discharging pipe, and the liquid discharging valve is sequentially connected with the outlet part 12 and the liquid discharging pipe through threads or welding.
To sum up, the high-sealing easy-cleaning water pump provided by the utility model has the advantages that each static sealing ring can always press against the inner side wall of the movable ring and the outer side wall of the pump shaft under the action of the tensioning spring, and the movable sealing ring always presses against the static sealing ring at a low pressure under the action of the sealing spring, so that the gap between the pump body and the pump shaft can be effectively sealed, and the service life of the sealing structure is prolonged; the cleaning mechanism is simple in structure, low in cost, convenient to install, stable and reliable, and high sealing performance between the pump body and the pump shaft provides a good using environment for the cleaning mechanism.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims (4)

1. The high-sealing easy-cleaning water pump is characterized by comprising a pump body, a pump shaft, a sealing mechanism and a cleaning mechanism;
a pump shaft is rotationally connected in the pump body, and an inlet part and an outlet part are arranged at two opposite ends of the pump body;
the sealing mechanism comprises a static sealing ring, a movable ring seat and a movable sealing ring, and the static sealing ring and the movable sealing ring are sleeved on the pump shaft;
the dynamic sealing device comprises a static sealing ring, a dynamic sealing ring, a sealing spring, a plurality of static sealing rings and a tensioning spring, wherein the static sealing ring is fixedly connected to a shaft hole of a pump body, the dynamic sealing ring is sleeved and fixedly connected to the surface of a pump shaft, the dynamic sealing ring is connected to the dynamic sealing ring in a sliding mode along the axial direction of the pump shaft, the sealing spring is arranged between the dynamic sealing ring and used for enabling the dynamic sealing ring to be pressed on the side surface of the static sealing ring in a low-pressure mode, the dynamic sealing ring is arranged on the side surface, in contact with the static sealing ring;
the cleaning mechanism comprises a liquid adding valve, a liquid adding box and a liquid discharging valve;
the liquid feeding valve is arranged at the top of the inlet part of the pump body, the liquid feeding box is communicated with the liquid feeding valve, the liquid feeding box is filled with a water pump cleaning agent, and the liquid discharging valve is arranged at the bottom of the outlet part.
2. The high-sealing easy-cleaning water pump according to claim 1, wherein the number of the static sealing rings is three, and the number of the tension springs is two.
3. The high-sealing and easy-cleaning water pump according to claim 1, wherein an annular stationary ring seat is provided on the pump body, an annular fixing groove is circumferentially provided on an inner side wall of the stationary ring seat, the stationary seal ring is clamped and connected in the fixing groove, and stationary gaskets are provided between two side walls of the stationary seal ring and two opposite side walls of the fixing groove.
4. The high-sealing easy-cleaning water pump according to claim 1, wherein the liquid adding valve is connected with the inlet part and the liquid adding tank in sequence through threads or welding.
CN201921000033.0U 2019-06-28 2019-06-28 High-sealing easy-to-clean water pump Active CN211174744U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921000033.0U CN211174744U (en) 2019-06-28 2019-06-28 High-sealing easy-to-clean water pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921000033.0U CN211174744U (en) 2019-06-28 2019-06-28 High-sealing easy-to-clean water pump

Publications (1)

Publication Number Publication Date
CN211174744U true CN211174744U (en) 2020-08-04

Family

ID=71827608

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921000033.0U Active CN211174744U (en) 2019-06-28 2019-06-28 High-sealing easy-to-clean water pump

Country Status (1)

Country Link
CN (1) CN211174744U (en)

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