CN210371180U - Centrifugal pump hydrologic cycle anti-dropping device - Google Patents

Abstract

The utility model discloses a pressure equipment device is prevented falling in centrifugal pump hydrologic cycle, relate to the centrifugal pump field, which comprises a pump body, one side fixedly connected with motor of the pump body, the opposite side of the pump body absorbs water the one end of pipe through first flange fixed connection, the other end fixedly connected with pond of pipe absorbs water, the top of the pump body is through second flange fixedly connected with conveyer pipe, top one side fixedly connected with zhi guan yu of the pump body, the one end of third flange fixed connection raceway is passed through to the one end of zhi guan, the other end fixedly connected with reserve water pitcher of raceway, the equal fixed mounting in both sides of reserve water pitcher has spacing splint, the upper surface of base is connected in the. The utility model discloses a set up a water pipe on the pump body to cooperation through a water pipe and raceway is used, can be convenient for pump body water delivery, through set up the check valve on a water pipe, can prevent that water from producing the refluence, get into in the standby water jar through the raceway once more.

Description

Centrifugal pump hydrologic cycle anti-dropping device

Technical Field

The utility model relates to a centrifugal pump field, in particular to centrifugal pump hydrologic cycle prevents dropping equipment and puts.

Background

The centrifugal pump is a pump which transfers liquid by the centrifugal force generated when the impeller rotates, the centrifugal pump works by utilizing the rotation of the impeller to enable water to generate centrifugal motion, before the water pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, a pump shaft drives the impeller and the water to generate high-speed rotation motion, the water generates centrifugal motion, is thrown to the outer edge of the impeller and flows into a water pressing pipe of the water pump through a flow channel of a volute-shaped pump shell.

At present, current centrifugal pump can inhale the air sometimes at the hydrologic cycle in-process, and the air constantly increases and causes the pipeline internal pressure too big, can make the centrifugal pump stop operation suddenly, and the water in the pump body is pumped out and needs the manual work to carry out the water injection and just can make the centrifugal pump operate again, and the manual work water injection time is longer, and efficiency is lower to the amount of labour has been increased.

Therefore, it is necessary to provide a centrifugal pump water circulation pressure drop prevention device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pressure drop device is prevented in centrifugal pump hydrologic cycle to solve the current centrifugal pump that proposes in the above-mentioned background art at the hydrologic cycle in-process, can the inhaled air sometimes, the air constantly increases and causes the pipeline internal pressure too big, can make the centrifugal pump bring to rest suddenly, and the water in the pump body is managed to find time and needs the manual work to carry out the water injection and just can make the centrifugal pump function again, and artifical water injection time is longer, and efficiency is lower, and increased the problem of the amount of labour.

In order to achieve the above object, the utility model provides a following technical scheme: a centrifugal pump water circulation anti-dropping device comprises a pump body, wherein one side of the pump body is fixedly connected with a motor, the other side of the pump body is fixedly connected with one end of a water suction pipe through a first flange, the other end of the water suction pipe is fixedly connected with a water pool, the top of the pump body is fixedly connected with a conveying pipe through a second flange, one side of the top of the pump body is fixedly connected with a branch water pipe, one end of the branch water pipe is fixedly connected with one end of a water conveying pipe through a third flange, the other end of the water conveying pipe is fixedly connected with a standby water tank, and two sides of the standby water tank are fixedly provided with;

the bottom laminating of reserve tank is connected the upper surface of base, the middle part swing joint of base has the hydraulic stem, the top fixedly connected with plug of hydraulic stem, the bottom fixedly connected with pneumatic cylinder of hydraulic stem.

Optionally, a top cover is fixedly installed at the top end of the spare water tank;

the lower surface edge fixedly connected with sealing washer of top cap.

Optionally, the bottom end of the limiting clamping plate is fixedly connected with the base through a fixing bolt;

the limiting clamping plate is Z-shaped.

Optionally, the middle part of the branch water pipe is fixedly connected with a check valve;

the outer side of the rubber plug is attached to the inner wall of the standby water tank.

Optionally, support columns are fixedly connected to both sides of the lower surface of the base;

the inner wall of the spare water tank is attached to the outer side of the sealing ring.

Optionally, through holes are formed in the middle of the bottom end of the spare water tank and the middle of the base;

the outer side of the hydraulic rod is attached to the inner wall of the through hole.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up a water pipe on the pump body to cooperation through a water pipe and raceway is used, can be convenient for pump body water delivery, through set up the check valve on a water pipe, can prevent that water from producing the refluence, get into in the standby water jar through the raceway once more.

2. The utility model discloses a set up spacing splint on reserve water pitcher, can be fixed reserve water pitcher and base, also be convenient for simultaneously change reserve water pitcher, through set up the sealing washer on the top cap, can effectively improve the leakproofness of reserve water pitcher to make the inside pressure that produces of reserve water pitcher pour into the raceway with water more easily when the hydraulic stem promotes the plug, water can get into the pump body through the raceway under the effect of pressure.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic sectional view of the structure of the spare water tank of the present invention.

In the figure: 1. a pump body; 2. an electric motor; 3. a first flange; 4. a suction pipe; 5. a pool; 6. a second flange; 7. a delivery pipe; 8. a branch water pipe; 9. a third flange; 10. a water delivery pipe; 11. a standby water tank; 12. a limiting clamp plate; 13. a base; 14. a hydraulic lever; 15. a rubber plug; 16. a hydraulic cylinder; 17. a top cover; 18. a seal ring; 19. fixing the bolt; 20. a check valve.

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 is to 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", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a centrifugal pump water circulation anti-dropping device as shown in figure 1-2, which comprises a pump body 1, wherein one side of the pump body 1 is fixedly connected with a motor 2, the other side of the pump body 1 is fixedly connected with one end of a water suction pipe 4 through a first flange 3, the other end of the water suction pipe 4 is fixedly connected with a water pool 5, the top of the pump body 1 is fixedly connected with a delivery pipe 7 through a second flange 6, one side of the top of the pump body 1 is fixedly connected with a branch water pipe 8, the middle part of the branch water pipe 8 is fixedly connected with a check valve 20, one end of the branch water pipe 8 is fixedly connected with one end of a water delivery pipe 10 through a third flange 9, the pump body 1 is provided with the branch water pipe 8, and the pump body 1 can be conveniently supplied with water through the matching use of the branch water pipe 8 and the water delivery pipe 10, the other end of the, the edge of the lower surface of the top cover 17 is fixedly connected with a sealing ring 18, the inner wall of the spare water tank 11 is attached to the outer side of the sealing ring 18, the check valve 20 is arranged on the branch pipe 8, water can be prevented from flowing backwards, the water enters the spare water tank 11 through the water conveying pipe 10 again, the two sides of the spare water tank 11 are fixedly provided with limiting clamp plates 12, and the limiting clamp plates 12 are Z-shaped;

the bottom end of the reserve water tank 11 is jointed with the upper surface of the base 13, the bottom end of the limit clamp plate 12 is fixedly connected with the base 13 through a fixing bolt 19, both sides of the lower surface of the base 13 are fixedly connected with support columns, the bottom middle part of the reserve water tank 11 and the middle part of the base 13 are both provided with through holes, the reserve water tank 11 and the base 13 can be fixed by arranging the limit clamp plate 12 on the reserve water tank 11, meanwhile, the reserve water tank 11 is convenient to replace, the middle part of the base 13 is movably connected with a hydraulic rod 14, the outer side of the hydraulic rod 14 is jointed with the inner wall of the through hole, the top end of the hydraulic rod 14 is fixedly connected with a rubber plug 15, the outer side of the rubber plug 15 is jointed with the inner wall of the reserve water tank 11, the bottom end of the hydraulic rod 14 is fixedly connected with a hydraulic cylinder 16, a sealing ring 18 is arranged on a top cover 17, the sealing performance of the reserve water tank 11 can be effectively, water under pressure will enter the pump body 1 through the water duct 10.

This practical theory of operation: when the centrifugal pump accident stops needing to carry out the water injection to it, at first, operating personnel will pass through third flange 9 with raceway 10 and branch water pipe 8 and be connected, then ensure that reserve water tank 11 is inside to have sufficient water source, then, the leakproofness of inspection reserve water tank 11 restarts hydraulic cylinder 16, it is flexible to drive hydraulic stem 14 through hydraulic cylinder 16, it removes on the inner wall of reserve water tank 11 to promote plug 15 through hydraulic stem 14, remove and under the mating reaction of sealing washer 18 through plug 15, can make the interior production pressure of reserve water tank 11, then pour into raceway 10 with water in, water conservancy diversion to the pump body 1 in through raceway 10 and branch water pipe 8, just so can keep pump body water circulation system normal work.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a centrifugal pump hydrologic cycle prevents pressure equipment dropping device, includes the pump body (1), its characterized in that: one side of the pump body (1) is fixedly connected with a motor (2), the other side of the pump body (1) is fixedly connected with one end of a water suction pipe (4) through a first flange (3), the other end of the water suction pipe (4) is fixedly connected with a water pool (5), the top of the pump body (1) is fixedly connected with a conveying pipe (7) through a second flange (6), one side of the top of the pump body (1) is fixedly connected with a branch water pipe (8), one end of the branch water pipe (8) is fixedly connected with one end of a water conveying pipe (10) through a third flange (9), the other end of the water conveying pipe (10) is fixedly connected with a standby water tank (11), and two sides of the standby water tank (11) are fixedly provided with limit clamps (12);

the bottom of reserve tank (11) is laminated and is connected the upper surface of base (13), the middle part swing joint of base (13) has hydraulic stem (14), the top fixedly connected with plug (15) of hydraulic stem (14), the bottom fixedly connected with pneumatic cylinder (16) of hydraulic stem (14).

2. The centrifugal pump water circulation pressure drop prevention device as claimed in claim 1, wherein:

a top cover (17) is fixedly arranged at the top end of the spare water tank (11);

and a sealing ring (18) is fixedly connected to the edge of the lower surface of the top cover (17).

3. The centrifugal pump water circulation pressure drop prevention device as claimed in claim 1, wherein:

the bottom end of the limiting clamping plate (12) is fixedly connected with the base (13) through a fixing bolt (19);

the limiting clamping plate (12) is Z-shaped.

4. The centrifugal pump water circulation pressure drop prevention device as claimed in claim 1, wherein:

the middle part of the branch water pipe (8) is fixedly connected with a check valve (20);

the outer side of the rubber plug (15) is attached to the inner wall of the spare water tank (11).

5. The centrifugal pump water circulation pressure drop prevention device as claimed in claim 1, wherein:

support columns are fixedly connected to two sides of the lower surface of the base (13);

the inner wall of the spare water tank (11) is attached to the outer side of the sealing ring (18).

6. The centrifugal pump water circulation pressure drop prevention device as claimed in claim 1, wherein:

the middle part of the bottom end of the spare water tank (11) and the middle part of the base (13) are both provided with through holes;

the outer side of the hydraulic rod (14) is attached to the inner wall of the through hole.

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