CN212225609U

CN212225609U - Energy-saving middle-open double-suction centrifugal pump

Info

Publication number: CN212225609U
Application number: CN202021586463.8U
Authority: CN
Inventors: 陆钦臣
Original assignee: Jiangsu Sina Pump Technology Co ltd
Current assignee: Jiangsu Sina Pump Technology Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2020-12-25
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses an energy-conserving middle-open double entry centrifugal pump relates to centrifugal pump technical field, which comprises a pump body, the left side bottom fixedly connected with water inlet end of the pump body, the left side of the pump body is provided with the inlet channel, the right side bottom fixedly connected with water outlet end of the pump body, the right side of the pump body is provided with outlet conduit, between inlet channel and the inlet channel, all through seal structure fixed connection between water outlet end and the outlet conduit, seal structure includes a hose, two sealing washers, two first sealing rings, two second sealing rings, two locking rings and two hexagon socket head cap screw, the surface of the adjacent one end of inlet channel of end and inlet channel, the surface of the adjacent one end of water outlet end and outlet conduit all seted up flutedly, install the sealing washer in the recess. The utility model discloses easy dismounting is swift, and the centrifugal pump can not drive the pipeline vibrations, has promoted centrifugal pump and pipeline life greatly.

Description

Energy-saving middle-open double-suction centrifugal pump

Technical Field

The utility model relates to a centrifugal pump technical field specifically is an energy-conserving middle-open double entry centrifugal pump.

Background

The double entry centrifugal pump supplies to carry other liquid that clear water or physical and chemical nature are similar to water, according to user's demand, can be used to carry many muddy sand water or all kinds of corrosive liquids through changing pump structure and material, this series of pumps are applicable to the mill, the mine, city plumbing, the power station, farmland irrigation and drainage and various hydraulic engineering, the installation that the centrifugal pump relapse is fixed through a plurality of bolts with dismantling through the centrifugal pump is all time-consuming and hard with the pipeline is connected, and the centrifugal pump adopts rigid connection with the pipeline, centrifugal pump during operation vibrations are obvious, consequently, under long-term use, the centrifugal pump drives the pipeline vibrations, the life of centrifugal pump and pipeline has been reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an energy-conserving two-suction centrifugal pump of opening has solved the current energy-conserving two-suction centrifugal pump dismouting of opening that proposes in the above-mentioned background art inconvenient, the problem of the life weak point of centrifugal pump and pipeline.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

an energy-saving middle-open double-suction centrifugal pump comprises a pump body, wherein a water inlet end is fixedly connected to the bottom of the left side of the pump body, a water inlet pipeline is arranged on the left side of the pump body, a water outlet end is fixedly connected to the bottom of the right side of the pump body, a water outlet pipeline is arranged on the right side of the pump body, a sealing structure is fixedly connected between the water inlet end and the water inlet pipeline and between the water outlet end and the water outlet pipeline through a sealing structure, the sealing structure comprises a hose, two sealing rings, two first sealing rings, two second sealing rings, two locking rings and two hexagon socket head cap bolts, grooves are respectively formed in the outer surface of one end, adjacent to the water inlet pipeline, of the water inlet end and the outer surface of one end, adjacent to the water outlet pipeline, of the water outlet end and the outer, and a locking ring is arranged on the outer surface of the second sealing ring and is locked by an inner hexagon bolt and a nut.

Further, the diameter of the sealing ring is larger than the width of the groove.

Furthermore, the widths of the first sealing ring and the second sealing ring are equal, and the widths of the first sealing ring and the second sealing ring are larger than the diameter of the sealing ring.

Furthermore, the second sealing rings are positioned on the outer surfaces of the two ends of the hose, and the second sealing rings correspond to the first sealing rings in position.

Furthermore, the locking ring is of an open type annular structure, and a gap of 5mm is reserved between the end faces of the locking ring at the open ring position.

(III) advantageous effects

The utility model provides an energy-conserving well open double entry centrifugal pump possesses following beneficial effect:

(1) this energy-conserving middle-open double entry centrifugal pump, through all being connected through the hose at the end of intaking of centrifugal pump and play water end and pipe connection department, and the hose uses the locking ring to lock outward, and the locking ring uses hexagon socket head cap screw to lock, and the dismouting all uses a hexagon socket head cap spanner can accomplish, and easy dismounting is swift.

(2) This energy-conserving middle-open double suction centrifugal pump, through all being connected through the hose at the end of intaking of centrifugal pump and play water end and pipe connection department, when operating condition, on the unable pipeline that conveys of vibrations of centrifugal pump, use under the triple seal of sealing washer, first sealing ring and second sealing ring for the end of intaking of the pump body can not drop because of vibrations and hose with play water end, has solved current centrifugal pump and pipeline life short problem.

Drawings

FIG. 1 is a schematic perspective view of the energy-saving middle-open double-suction centrifugal pump of the present invention;

FIG. 2 is a schematic plan view of the energy-saving middle-open double-suction centrifugal pump of the present invention;

FIG. 3 is a partial sectional view of the energy-saving middle-open double-suction centrifugal pump of the present invention;

fig. 4 is a schematic structural diagram of a point a in fig. 3 of the energy-saving middle-open double-suction centrifugal pump of the present invention.

In the figure: 1. a pump body; 2. a water inlet end; 3. a water inlet pipe; 4. a water outlet end; 5. a water outlet pipeline; 6. a hose; 7. a seal ring; 8. a first seal ring; 9. a second seal ring; 10. locking a ring; 11. and (4) an inner hexagon bolt.

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.

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", etc. 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.

Referring to fig. 1-4, the present invention provides a technical solution:

an energy-saving middle-open double-suction centrifugal pump comprises a pump body 1, wherein a water inlet end 2 is fixedly connected to the bottom of the left side of the pump body 1, a water inlet pipeline 3 is arranged on the left side of the pump body 1, a water outlet end 4 is fixedly connected to the bottom of the right side of the pump body 1, a water outlet pipeline 5 is arranged on the right side of the pump body 1, a space between the water inlet end 2 and the water inlet pipeline 3 and a space between the water outlet end 4 and the water outlet pipeline 5 are fixedly connected through a sealing structure, the sealing structure comprises a hose 6, two sealing rings 7, two first sealing rings 8, two second sealing rings 9, two locking rings 10 and two hexagon socket head bolts 11, grooves are formed in the outer surfaces of the ends, adjacent to the water inlet end 2 and the water inlet pipeline 3 and the outer surfaces of the ends, adjacent to the water outlet end 4 and the water outlet, the outer surfaces of two ends of the hose 6 are fixedly connected with second sealing rings 9, the widths of the first sealing rings 8 and the second sealing rings 9 are equal, the widths of the first sealing rings 8 and the second sealing rings 9 are larger than the diameter of the sealing ring 7, the second sealing rings 9 are positioned on the outer surfaces of two ends of the hose 6, the positions of the second sealing rings 9 and the first sealing rings 8 correspond, the water inlet end 2 and the water outlet end 4 of the centrifugal pump are connected with the pipeline through the hose 6 at the joints of the water inlet end 2 and the water outlet end 4 of the centrifugal pump, when the centrifugal pump is in a working state, the vibration of the centrifugal pump cannot be transmitted to the pipeline, the water inlet end 2 and the water outlet end 4 of the pump body 1 cannot fall off from the hose 6 due to the vibration under triple sealing of the sealing rings 7, the first sealing rings 8 and the second sealing rings 9, the problem that the service life, the locking ring 10 is an open type annular structure, a gap of 5mm is reserved between the end faces of the open ring of the locking ring 10, the locking ring 10 is locked through the hexagon socket head cap screw 11 and the nut, the water inlet end 2 and the water outlet end 4 of the centrifugal pump are connected with the pipeline connection part through the hose 6, the hose 6 is locked through the locking ring 10, the locking ring 10 is locked through the hexagon socket head cap screw 11, the dismounting and the mounting can be completed through one hexagon socket head cap wrench, and the dismounting and the mounting are convenient and fast.

The working principle of the energy-saving split double-suction centrifugal pump is that when the energy-saving split double-suction centrifugal pump is used, a sealing ring 7 is arranged at a groove of a water inlet end 2, a water inlet pipeline 3, a water outlet end 4 and a water outlet pipeline 5 of the centrifugal pump, then a first sealing ring 8 is arranged outside the sealing ring 7, a hose 6 is sleeved on the first sealing ring 8, a second sealing ring 9 corresponds to the first sealing ring 8, a locking ring 10 is arranged outside the second sealing ring 9, then a hexagon socket head cap screw 11 is locked by a hexagon socket wrench to drive the locking ring 10 to be locked, the locking ring 10 extrudes the second sealing ring 9, the hose 6, the first sealing ring 8 and the sealing ring 7, the hose 6 is fixedly connected with the water inlet end 2 and the outside of the water inlet pipeline 3, the water outlet end 4 and the water outlet pipeline 5, when a sealing device generates heat expansion and cold contraction under the, the vibrations that the pump body 1 took place just can disappear when passing through hose 6 to can not drive the pipeline and shake, it is safe in utilization.

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. The utility model provides an energy-conserving middle-open double entry centrifugal pump, includes the pump body (1), its characterized in that, left side bottom fixedly connected with of the pump body (1) is intake end (2), the left side of the pump body (1) is provided with inlet channel (3), right side bottom fixedly connected with of the pump body (1) goes out water end (4), the right side of the pump body (1) is provided with outlet conduit (5), between intake end (2) and inlet channel (3), all through seal structure fixed connection between outlet end (4) and outlet conduit (5), seal structure includes a hose (6), two sealing washer (7), two first sealing ring (8), two second sealing ring (9), two locking ring (10) and two hexagon socket head cap screw (11), the surface of intake end (2) and the adjacent one end of inlet channel (3), outer surface, the one end, The outer surface of the adjacent one end of outlet end (4) and outlet pipe way (5) all sets up flutedly, install sealing washer (7) in the recess, install first sealing ring (8) between sealing washer (7) and hose (6), the equal fixedly connected with second sealing ring (9) of both ends surface of hose (6), the surface mounting of second sealing ring (9) has locking ring (10), locking ring (10) are locked through hexagon socket head cap screw (11) and nut.

2. The energy-saving double-suction centrifugal pump as claimed in claim 1,

the diameter of the sealing ring (7) is larger than the width of the groove.

3. The energy-saving double-suction centrifugal pump as claimed in claim 1,

the width of the first sealing ring (8) is equal to that of the second sealing ring (9), and the width of the first sealing ring (8) is larger than that of the second sealing ring (9) and the diameter of the sealing ring (7).

4. The energy-saving double-suction centrifugal pump as claimed in claim 1,

the second sealing rings (9) are positioned on the outer surfaces of the two ends of the hose (6), and the positions of the second sealing rings (9) correspond to those of the first sealing rings (8).

5. The energy-saving double-suction centrifugal pump as claimed in claim 1,

the locking ring (10) is of an open type annular structure, and a gap of 5mm is reserved between the end faces of the locking ring (10) at the open ring position.