CN212643027U

CN212643027U - Automatic exhaust device for pump room water pump

Info

Publication number: CN212643027U
Application number: CN202021247808.7U
Authority: CN
Inventors: 缪华曙
Original assignee: Suzhou Juding Municipal Engineering Co ltd
Current assignee: Suzhou Juding Municipal Engineering Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-03-02
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a pump house water pump automatic exhaust device, concretely relates to water pump technical field, including the discharge valve main part, the discharge valve main part is equipped with the pump body outward, be provided with two sets of first fixed plates in the discharge valve main part, it is two sets of the equal fixedly connected with spring in first fixed plate bottom, spring one end fixedly connected with second fixed plate, second fixed plate bottom fixedly connected with valve plug, be provided with two sets of filters in the discharge valve main part, discharge valve main part bottom inner wall is provided with the through-hole. When the pressure in the pump is larger than the pressure of the spring, the valve plug moves upwards, air flows into the exhaust valve main body along with water, the exhaust valve main body exhausts the gas in the pump, and the pressure in the pump is reduced; when the pressure in the pump is smaller than the pressure of the spring, the valve plug moves downwards to plug the through hole, water flow cannot enter the exhaust valve main body, exhaust is started and closed, manual intervention is not needed, exhaust can be automatically controlled according to the pressure in the pump, and the use is convenient.

Description

Automatic exhaust device for pump room water pump

Technical Field

The utility model relates to a water pump technical field, more specifically say, the utility model relates to a pump house water pump self-bleeding 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. The water 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. At present, the industry of water pumps rises increasingly, but the water pumps also have the technical problem which is difficult to overcome

The water pump has the steam accumulation in the in-process of using, when the steam accumulation reached certain pressure, the water in the pump chamber can be occupied by gas for the area of the impeller contact water of water pump reduces, influences the normal operating of water pump, and water pump motor idle running can not normally draw water, and power consumptive and not energy-conserving can lead to the water pump to damage even.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a pump house water pump self-bleeding device, when the internal pressure of pump is greater than the spring and sets for pressure, the valve plug upwards slides, the internal water of pump flows in the discharge valve main part, rivers get into first exhaust passage through the relief pressure valve, steam in the rivers passes through the water strainer via the second exhaust duct discharge pump body, the pressure reduction in the pump, the valve plug slides downwards, prevent that the internal water of pump from flowing in the discharge valve main part, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic exhaust device of a pump room water pump comprises an exhaust valve main body, wherein a pump body is arranged outside the exhaust valve main body, two groups of first fixing plates are arranged in the exhaust valve main body, springs are fixedly connected to the bottoms of the two groups of first fixing plates, one end of each spring is fixedly connected with a second fixing plate, a valve plug is fixedly connected to the bottom of each second fixing plate, two groups of filter plates are arranged in the exhaust valve main body, the two groups of filter plates are symmetrically distributed on two sides of the valve plug, through holes are formed in the inner wall of the bottom of the exhaust valve main body, and;

the exhaust valve is characterized in that an exhaust cover is arranged at the top of the exhaust valve body, a first exhaust channel is arranged in the exhaust cover, a water filter screen is arranged at the top of the first exhaust channel, and a second exhaust channel is arranged at the top of the water filter screen.

In a preferred embodiment, a first threaded pipe is arranged outside the exhaust valve main body, a thread is arranged at the joint of the pump body and the first threaded pipe, and the first threaded pipe is in threaded connection with the pump body.

In a preferred embodiment, the top of the first threaded pipe is provided with a second threaded pipe, the joint of the exhaust cover and the second threaded pipe is provided with threads, and the exhaust cover and the second threaded pipe are connected through threads.

In a preferred embodiment, the water filtration screen is made of a molecular sieve material.

In a preferred embodiment, an opening is provided at the connection of the exhaust cover and the second exhaust passage.

In a preferred embodiment, a dust screen is provided at the opening of the exhaust cover.

In a preferred embodiment, the filter plate is provided with a movable groove, pulleys are arranged at the left end and the right end of the valve plug, and the valve plug and the filter plate are movably connected with the pulleys through the movable groove.

In a preferred embodiment, the bottom of the valve plug is tightly attached to the through hole.

The utility model discloses a technological effect and advantage:

1. when the internal pressure of the pump body is greater than the set pressure of the spring, the valve plug slides upwards, water flow in the pump body enters the exhaust valve main body through the through hole, impurities in the water flow are filtered when the water flow passes through the filter plate, the water flow enters the first exhaust channel after the water pressure of the water flow is reduced by the pressure reducing valve, the water filter net at the top of the first exhaust channel allows gas to pass through, hot gas in the water flow enters the second exhaust pipeline through the water filter net, the hot gas is discharged out of the pump body through the second exhaust pipeline and the dust filter net, and; when the pump body internal pressure was less than the spring and sets for pressure, the valve plug slided downwards, prevented that rivers from getting into discharge valve main part in the pump body, and the exhaust of this device is started and is closed, need not artificial intervention, can be according to pump internal pressure condition automatic control exhaust, and convenient to use.

Drawings

Fig. 1 is a cross-sectional view of the overall structure of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic structural diagram of a point a in fig. 1 according to the present invention.

Fig. 4 is a schematic structural diagram of the point B in fig. 3 according to the present invention.

The reference signs are: 1. a discharge valve main body; 2. a pump body; 3. a first fixing plate; 4. a spring; 5. a second fixing plate; 6. a valve plug; 7. a filter plate; 8. a through hole; 9 a pressure reducing valve; 10. an exhaust cover; 11. a first exhaust passage; 12. a water filtering net; 13. a second exhaust passage; 14. a first threaded pipe; 15. a second threaded pipe; 16. a dust screen; 17. a movable groove; 18. a pulley.

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.

The automatic exhaust device of the pump room water pump as shown in the attached figures 1-4 comprises an exhaust valve main body 1, a pump body 2 is arranged outside the exhaust valve main body 1, two groups of first fixing plates 3 are arranged in the exhaust valve main body 1, the bottoms of the two groups of first fixing plates 3 are fixedly connected with springs 4, one ends of the springs 4 are fixedly connected with second fixing plates 5, the bottoms of the second fixing plates 5 are fixedly connected with valve plugs 5, two groups of filter plates 7 are arranged in the exhaust valve main body 1, the two groups of filter plates 7 are symmetrically distributed at two sides of the valve plugs 6, the inner wall of the bottom of the exhaust valve main body 1 is provided;

the top of the exhaust valve main body 1 is provided with an exhaust cover 10, a first exhaust passage 11 is arranged in the exhaust cover 10, the top of the first exhaust passage 11 is provided with a water filter screen 12, and the top of the water filter screen 12 is provided with a second exhaust passage 13.

Further, a first threaded pipe 14 is arranged outside the exhaust valve main body 1, threads are arranged at the joint of the pump body 2 and the first threaded pipe 14, and the first threaded pipe 14 is in threaded connection with the pump body 2, so that the exhaust valve main body 1 and the pump body 2 can be fixed conveniently.

Further, a second threaded pipe 15 is arranged at the top of the first threaded pipe 14, threads are arranged at the joint of the exhaust cover 10 and the second threaded pipe 15, and the exhaust cover 10 is in threaded connection with the second threaded pipe 15, so that the exhaust pipe and the exhaust valve main body 1 can be fixed conveniently.

Further, the water strainer 12 is made of a molecular sieve material so as to block water molecules from flowing out of the first exhaust duct.

Further, an opening is formed at the joint of the exhaust cover 10 and the second exhaust channel 13, and a dust screen 16 is arranged at the opening of the exhaust cover 10, so as to prevent dust in the air from entering the second exhaust channel and blocking the water screen 12.

Further, the filter 7 is provided with movable groove 17, and both ends all are provided with pulley 18 about valve plug 5, and valve plug 5 passes through movable groove 17 and pulley 18 swing joint with filter 7 to skew about taking place when preventing that valve plug 5 from removing.

Further, the bottom of the valve plug 5 is tightly attached to the through hole 8, so that water in the pump body 2 with insufficient water pressure flows into the exhaust valve main body 1.

The utility model discloses the theory of operation: when the internal pressure of the pump body 2 is greater than the set pressure of the spring 4, the valve plug 5 slides upwards, water flow in the pump body 2 enters the exhaust valve main body 1 through the through hole 8, impurities in the water flow are filtered when the water flow passes through the filter plate 7, the water flow passes through the pressure reducing valve 9 at the top of the exhaust valve main body 1, the water flow enters the first exhaust channel 11 after the water pressure is reduced by the pressure reducing valve 9, the water filter net 12 at the top of the first exhaust channel 11 allows gas to pass through, hot gas in the water flow enters the second exhaust pipeline through the water filter net 12, the hot gas is discharged out of the pump body 2 through the second exhaust pipeline and the dust; when the pressure was less than spring 4 set pressure in the pump body 2, 5 downslide of valve plug, 5 bottoms of valve plug and through-hole 8 closely laminate, prevent that the interior rivers of the pump body 2 from getting into discharge valve main part 1, the steam content in the abundant reduction pump body 2, the exhaust of this device starts and closes, need not artificial intervention, can exhaust according to the automatic control of the pressure condition in the pump, and convenient to use.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pump house water pump self-bleeding device, includes discharge valve main part (1), its characterized in that: the exhaust valve is characterized in that a pump body (2) is arranged outside the exhaust valve main body (1), two groups of first fixing plates (3) are arranged in the exhaust valve main body (1), springs (4) are fixedly connected to the bottoms of the two groups of first fixing plates (3), one ends of the springs (4) are fixedly connected with second fixing plates (5), valve plugs (6) are fixedly connected to the bottoms of the second fixing plates (5), two groups of filter plates (7) are arranged in the exhaust valve main body (1), the two groups of filter plates (7) are symmetrically distributed on two sides of the valve plugs (6), through holes (8) are formed in the inner wall of the bottom of the exhaust valve main body (1), and a pressure reducing valve (; discharge valve main part (1) top is provided with exhaust lid (10), be provided with first exhaust passage (11) in exhaust lid (10), first exhaust passage (11) top is provided with water strainer (12), water strainer (12) top is provided with second exhaust passage (13).

2. The automatic exhaust device of the pump room water pump as claimed in claim 1, characterized in that: the exhaust valve is characterized in that a first threaded pipe (14) is arranged outside the exhaust valve body (1), threads are arranged at the joint of the pump body (2) and the first threaded pipe (14), and the first threaded pipe (14) is in threaded connection with the pump body (2).

3. The automatic exhaust device of the pump room water pump as claimed in claim 2, characterized in that: the top of the first threaded pipe (14) is provided with a second threaded pipe (15), the joint of the exhaust cover (10) and the second threaded pipe (15) is provided with threads, and the exhaust cover (10) is in threaded connection with the second threaded pipe (15).

4. The automatic exhaust device of the pump room water pump as claimed in claim 1, characterized in that: the water filtering net (12) is made of molecular sieve materials.

5. The automatic exhaust device of the pump room water pump as claimed in claim 1, characterized in that: an opening is arranged at the joint of the exhaust cover (10) and the second exhaust channel (13).

6. The automatic exhaust device of the pump room water pump as claimed in claim 5, characterized in that: and a dust screen (16) is arranged at the opening of the exhaust cover (10).

7. The automatic exhaust device of the pump room water pump as claimed in claim 1, characterized in that: the filter (7) are provided with movable groove (17), both ends all are provided with pulley (18) about valve plug (6), valve plug (6) and filter (7) are through movable groove (17) and pulley (18) swing joint.

8. The automatic exhaust device of the pump room water pump as claimed in claim 1, characterized in that: the bottom of the valve plug (6) is tightly attached to the through hole (8).