CN213235456U

CN213235456U - Novel centrifugal pump

Info

Publication number: CN213235456U
Application number: CN202021782326.1U
Authority: CN
Inventors: 胡龙文; 胡宝文; 张芳经; 徐新房
Original assignee: Shanghai Shuangjie Pump Manufacturing Co ltd
Current assignee: Shanghai Shuangjie Pump Manufacturing Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-05-18
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a novel centrifugal pump, the on-line screen storage device comprises a base, the upper surface one side fixedly connected with pump body of base, the upper surface opposite side fixedly connected with motor of base, and be provided with the blotter between the pump body and motor and the base upper surface connection, the fixed pump cover that is provided with between the pump body and the motor, the output fixedly connected with transfer line of motor, the one end fixedly connected with impeller of transfer line, and the impeller is located the inboard of the pump body, be provided with mechanical shaft seal between the pole body of transfer line and the pump cover connection, form oil blanket portion between pump cover and the motor one side connection, one side of the pump body is provided with the export. The utility model discloses in, the bearing seal adopts corrosion resistant carbide mechanical seal and oil blanket structure, has solved the serious seepage problem of centrifugal pump filler, has ensured that the operation place is clean and tidy, and the pump body is back door-opening type structure, need not dismantle the pipeline, can overhaul, and motor and pump directly ally oneself with has simplified the intermediate structure, has strengthened the operation stationarity.

Description

Novel centrifugal pump

Technical Field

The utility model relates to a centrifugal pump field especially relates to a novel centrifugal pump.

Background

The pump is a machine for conveying fluid or pressurizing fluid, and can transfer the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used for conveying liquid, such as water, oil, acid-base solution, emulsion, suspoemulsion and liquid metal, etc., and can also be used for conveying liquid, gas mixture and liquid containing suspended solid matter.

The existing centrifugal pump structure is relatively fixed, the pump cover structure is generally arranged on the front side, the pipeline is required to be detached during maintenance operation to increase the operation amount, the impeller and the rotating shaft are low in concentricity, the operation vibration caused by the pump body is large and unstable, large noise is generated, the shaft seal structure is single, the sealing performance is poor, and leakage is easy to generate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel centrifugal pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel centrifugal pump, includes the base, the upper surface one side fixedly connected with pump body of base, the upper surface opposite side fixedly connected with motor of base, and be provided with the blotter between the pump body and motor and the base upper surface connection, the fixed pump cover that is provided with between the pump body and the motor, the output fixedly connected with transfer line of motor, the one end fixedly connected with impeller of transfer line, and the impeller is located the inboard of the pump body, be provided with mechanical bearing seal between the pole body of transfer line and the pump cover are connected, form oil blanket portion between pump cover and motor one side are connected, one side of the pump body is provided with the export.

As a further description of the above technical solution:

the output end of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft is correspondingly and fixedly connected with a transmission rod, the transmission rod and the rotating shaft are fixedly connected inside an oil seal portion, and an oil filling hole is fixedly formed in the outer surface of the pump cover corresponding to the oil seal portion.

As a further description of the above technical solution:

the impeller is correspondingly sleeved at one end, deviating from the connecting rotating shaft, of the transmission rod, the end of the transmission rod is connected with the locking nut in a rotating mode, and the impeller is connected and fixed through the locking nut and the transmission rod in a rotating mode.

As a further description of the above technical solution:

the mechanical shaft seal is fixedly arranged into a corrosion-resistant hard alloy mechanical seal.

As a further description of the above technical solution:

the pump body and the motor are fixedly connected with a base, the pump body and the motor are correspondingly fixedly connected to the upper surface of the base through the base, and the cushion pad is correspondingly clamped between the base and the upper surface of the base.

As a further description of the above technical solution:

one side of the pump cover is fixedly connected to the side surface of the motor through connecting bolts, and the connecting bolts are arranged on the pump cover and the motor at intervals along the connecting surfaces.

As a further description of the above technical solution:

the impeller can rotate correspondingly, and the outlets can be correspondingly arranged in three directions of left, upper and right.

The utility model discloses following beneficial effect has:

1. the utility model discloses the centrifugal pump operates steadily, the noise is low, the subassembly concentricity is high, and motor and pump directly ally oneself with, have simplified the intermediate structure, have strengthened the stationarity of operation, and the impeller has good sound balance, and the vibration is little during the operation, has improved service environment.

2. The utility model discloses the centrifugal pump does not have the seepage, and the bearing seal adopts corrosion resistant carbide mechanical seal and oil blanket structure, has solved the serious seepage problem of centrifugal pump filler, has ensured that the operation place is clean and tidy.

3. The utility model discloses centrifugal pump easy maintenance, the pump body is back door-opening type structure, need not dismantle the pipeline, can overhaul.

4. The utility model discloses centrifugal pump is seen from the import direction, and the export of pump can be installed wantonly with level left, perpendicular upwards and level three kinds of modes right.

Drawings

FIG. 1 is a partial cross-sectional view of a novel centrifugal pump;

FIG. 2 is a front view of a novel centrifugal pump;

fig. 3 is a schematic diagram of several outlet connection directions of the novel centrifugal pump.

Illustration of the drawings:

1. a pump body; 2. an impeller; 3. locking the nut; 4. a mechanical shaft seal; 5. a pump cover; 6. a transmission rod; 7. a rotating shaft; 8. a base; 9. a motor; 10. an oil seal portion; 11. an oil filler hole; 12. an outlet; 13. a connecting bolt; 14. a cushion pad.

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 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. 1-3, the present invention provides an embodiment: a novel centrifugal pump comprises a base 8 for providing integral bottom support, a pump body 1 fixedly connected with one side of the upper surface of the base 8 for providing a pump main body, a motor 9 fixedly connected with the other side of the upper surface of the base 8 for providing rotating power, and a buffer cushion 14 is arranged between the pump body 1 and the motor 9 and the upper surface of the base 8 to ensure stable operation, a pump cover 5 is fixedly arranged between the pump body 1 and the motor 9 and is arranged as a rear opening door type, the output end of the motor 9 is fixedly connected with a transmission rod 6, one end of the transmission rod 6 is fixedly connected with an impeller 2, and the impeller 2 is located inside the pump body 1, a mechanical shaft seal 4 is arranged between the rod body of the transmission rod 6 and the pump cover 5 to realize strict sealing, an oil seal part 10 is formed between the pump cover 5 and one side of the motor 9 to improve the sealing performance and stabilize the rotation of the shaft, and an outlet 12 is arranged on one side of the pump body 1.

The output end of the motor 9 is fixedly connected with a rotating shaft 7, one end of the rotating shaft 7 is correspondingly and fixedly connected with the transmission rod 6 to realize corresponding transmission connection, the fixed connection position of the transmission rod 6 and the rotating shaft 7 is positioned inside the oil seal part 10 to ensure the stable connection position, the outer surface of the pump cover 5 is fixedly provided with an oil injection hole 11 corresponding to the oil seal part 10 to realize the oil pumping and filling operation inside the oil seal part 10, the impeller 2 is correspondingly sleeved at one end of the transmission rod 6 deviating from the connection with the rotating shaft 7, the end part of the transmission rod 6 is rotatably connected with a locking nut 3 to realize the connection and fixation of the impeller 2, the impeller 2 is fixedly connected and fixed by the rotation of the locking nut 3 and the transmission rod 6, the mechanical shaft seal 4 is fixedly arranged as corrosion-resistant hard alloy mechanical seal to increase the sealing performance, the lower surfaces of the pump body 1 and the motor 9 are, buffer pad 14 corresponds to clamp and puts between the upper surface of base and base 8, realizes the shock attenuation buffering operation of bottom, and connecting bolt 13 fixed connection is passed through on the side surface of motor 9 in one side of pump cover 5, and connecting bolt 13 is provided with a plurality ofly along pump cover 5 and motor 9's the face of being connected equidistance, and impeller 2 can carry out corresponding rotation, and export 12 can correspond and set up to three orientations about, can realize corresponding export position conversion.

The working principle is as follows: when carrying out centrifugal pump operation, impeller 2 inside the pump body 1 passes through transfer line 6 lug connection on motor 9's output axis of rotation 7, guarantee the concentricity, simplify the intermediate structure, whole operation in-process operation is stable, good sound balance has, be provided with blotter 14 between the pump body 1 is connected with motor 9 and base 8, can guarantee the stability when operation, the bearing seal structure adopts corrosion resistant carbide mechanical seal, be provided with corresponding oil blanket structure again, can guarantee not have the seepage, and the oil blanket also can increase axostylus axostyle pivoted stability, the practicality is high, the export direction can portably change, realize the regulation of upper left and right sides three direction, realize the arbitrary installation of direction, it is practical higher.

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

1. A novel centrifugal pump comprises a base (8), and is characterized in that: the utility model discloses a pump, including the upper surface of base (8), the upper surface of base (8) one side fixedly connected with pump body (1), the upper surface opposite side fixedly connected with motor (9) of base (8), and be provided with blotter (14) between pump body (1) and motor (9) and base (8) upper surface connection, fixed pump cover (5) that is provided with between the pump body (1) and motor (9), output fixedly connected with transfer line (6) of motor (9), the one end fixedly connected with impeller (2) of transfer line (6), and impeller (2) are located the inboard of the pump body (1), be provided with mechanical bearing seal (4) between being connected of the pole body and pump cover (5) of transfer line (6), form oil blanket portion (10) between being connected pump cover (5) and motor (9) one side, one side of the pump body (1) is provided with export.

2. The new centrifugal pump of claim 1, characterized in that: the output fixedly connected with axis of rotation (7) of motor (9), the one end of axis of rotation (7) corresponds and transfer line (6) looks fixed connection, the fixed connection position of transfer line (6) and axis of rotation (7) is located the inside of oil blanket portion (10), the surface of pump cover (5) corresponds oil blanket portion (10) and is fixed and is provided with oil filler point (11).

3. The new centrifugal pump of claim 1, characterized in that: the impeller (2) is correspondingly sleeved at one end, deviating from the connecting rotating shaft (7), of the transmission rod (6), the end part of the transmission rod (6) is connected with the locking nut (3) in a rotating mode, and the impeller (2) is connected and fixed through the rotating connection of the locking nut (3) and the transmission rod (6).

4. The new centrifugal pump of claim 1, characterized in that: the mechanical shaft seal (4) is fixedly arranged into a corrosion-resistant hard alloy mechanical seal.

5. The new centrifugal pump of claim 1, characterized in that: the lower fixed surface of the pump body (1) and the motor (9) is fixedly connected with a base, the pump body (1) and the motor (9) are correspondingly fixedly connected to the upper surface of the base (8) through the base, and the cushion pad (14) is correspondingly clamped between the upper surfaces of the base and the base (8).

6. The new centrifugal pump of claim 1, characterized in that: one side of the pump cover (5) is fixedly connected to the side surface of the motor (9) through a connecting bolt (13), and the connecting bolts (13) are arranged on the side surface of the motor (9) along the connecting surfaces of the pump cover (5) and the motor (9) at equal intervals.

7. The new centrifugal pump of claim 1, characterized in that: the impeller (2) can rotate correspondingly, and the outlets (12) can be correspondingly arranged in three directions of left, upper and right.