CN216867016U - Screw centrifugal pump with radial opening mechanism - Google Patents

Abstract

The utility model relates to the technical field of spiral centrifugal pumps, in particular to a spiral centrifugal pump with a radial opening mechanism, which comprises a fixed base, wherein a mounting seat is arranged at the top of the fixed base and close to the left side of the fixed base, a second connecting disc is arranged at the top of the mounting seat, a volute is detachably connected to the left side of the second connecting disc and comprises a first shell and a second shell, an impeller is arranged between the first shell and the second shell, a water inlet pipe is arranged at the left side of the first shell, and a motor is arranged at the top of the fixed base and close to the right side of the fixed base. According to the screw centrifugal pump with the radial opening mechanism, the volute is divided into the first shell and the second shell, so that a user can conveniently open the volute, and the user can conveniently replace the impeller; the first connecting disc is detachably connected with the second connecting disc through the second threaded column and the second fastening nut, so that a user can conveniently disassemble and assemble the volute, and the user can conveniently replace the overflowing part.

Description

Screw centrifugal pump with radial opening mechanism

Technical Field

The utility model relates to the technical field of screw centrifugal pumps, in particular to a screw centrifugal pump with a radial opening mechanism.

Background

The spiral centrifugal pump is characterized in that a spiral volume reasoning effect and a blade centrifugal effect are organically combined through a special three-dimensional spiral blade, a medium obtains energy, an impeller of a volute part generates a centrifugal effect like a common centrifugal pump, sundries are guided to the position near an axis by an acute angle part of a blade inlet and are pushed along the axial direction by the spiral effect, the pump is like a combination of a volume pump and a centrifugal pump, so the spiral centrifugal pump is called as the spiral centrifugal pump, when the existing spiral centrifugal pump is used for conveying liquid, a flow passage component is easily corroded and abraded by the conveyed liquid, but the process of replacing the flow passage component is very complex, and a large amount of manpower and material resources are consumed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a screw centrifugal pump with a radial opening mechanism, which aims to solve the problems that when the conventional screw centrifugal pump is used for conveying liquid, a flow passage component is easily corroded and worn by the conveyed liquid, but the process of replacing the flow passage component is very complicated, and a large amount of manpower and material resources are consumed.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a screw centrifugal pump with radial opening mechanism, includes unable adjustment base, unable adjustment base's top and be close to left position and be equipped with the mount pad, the top of mount pad is equipped with the second connection pad, the left side of second connection pad can be dismantled and be connected with the spiral case, the spiral case includes first casing and second casing, be equipped with the impeller between first casing and the second casing, the left side of first casing is equipped with the inlet tube, unable adjustment base's top and the position that is close to the right side are equipped with the motor, there is the axis of rotation motor output shaft's tip through the coupling joint, the right side and the coaxial coupling who passes the second casing are passed to the one end that the shaft coupling was kept away from to the axis of rotation have the impeller.

Preferably, the mounting seat is detachably connected with the fixed base through a screw, a positioning block is arranged on the right side of the second connecting disc, and the end of the rotating shaft penetrates through the side faces of the positioning block and the second connecting disc.

Preferably, the edge of the first shell outer wall is provided with a first connecting plate, the edge of the second shell outer wall is provided with a second connecting plate, the inner side of the second connecting plate is provided with a plurality of first threaded columns, and the end parts of the first threaded columns penetrate through the side faces of the first connecting plate and are in threaded connection with first fastening nuts.

Preferably, the edge of the first shell inner wall is provided with a connecting groove, the edge of the second shell inner wall is provided with a sealing connecting plate, and the shape and size of the sealing connecting plate are matched with those of the connecting groove.

Preferably, the right side of second casing is equipped with the fixed plate, the right side of fixed plate is equipped with the arc connecting plate of symmetric distribution, two the right side of arc connecting plate is connected with first connection pad jointly, the right side of first connection pad and the position that is close to the edge are equipped with a plurality of second screw thread posts of arranging with annular array, the side and the threaded connection that the tip of second screw thread post passes the second connection pad have second fastening nut.

Compared with the prior art, the utility model has the beneficial effects that:

according to the screw centrifugal pump with the radial opening mechanism, the volute is divided into the first shell and the second shell, so that a user can conveniently open the volute, and the user can conveniently replace the impeller; the sealing connecting plate can seal the joint of the first shell and the second shell, so that liquid in the volute is prevented from seeping out; the first connecting disc is detachably connected with the second connecting disc through the second threaded column and the second fastening nut, so that a user can conveniently disassemble and assemble the volute, and the user can conveniently replace the overflowing part.

Drawings

FIG. 1 is a schematic overall first perspective view of the present invention;

FIG. 2 is a schematic view of an overall second perspective structure of the present invention;

FIG. 3 is a partial schematic structural view of the present invention;

FIG. 4 is a schematic view of the volute structure of the present invention;

FIG. 5 is a schematic view of a second housing according to the present invention;

fig. 6 is a schematic view of a first housing structure according to the present invention.

In the figure: the spiral casing comprises a fixed base 1, a spiral casing 2, a first casing 20, a first connecting plate 200, a connecting groove 201, a second casing 21, a second connecting plate 210, a sealing connecting plate 211, a first threaded column 212, a water inlet pipe 22, a fixed plate 23, an arc-shaped connecting plate 230, a first connecting disc 24, a second threaded column 240, a first fastening nut 25, a mounting seat 3, a second connecting disc 30, a positioning block 300, a motor 4, a coupler 5, a rotating shaft 6, an impeller 7 and a second fastening nut 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

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 to implicitly indicate 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 defined otherwise.

Referring to fig. 1-6, the present invention provides a technical solution:

a screw centrifugal pump with a radial opening mechanism comprises a fixed base 1, a mounting seat 3 is arranged at the top of the fixed base 1 and close to the left side, a second connecting disc 30 is arranged at the top of the mounting seat 3 and used for connecting a volute 2, the left side of the second connecting disc 30 is detachably connected with the volute 2, the volute 2 comprises a first shell 20 and a second shell 21, the volute 2 is divided into the first shell 20 and the second shell 21, so that a user can conveniently open the volute 2 and further conveniently replace an impeller 7, the impeller 7 is arranged between the first shell 20 and the second shell 21, a water inlet pipe 22 is arranged at the left side of the first shell 20 and used for connecting a liquid input pipe, a motor 4 is arranged at the top of the fixed base 1 and close to the right side, the end part of an output shaft of the motor 4 is connected with a rotating shaft 6 through a coupler 5, and the rotating shaft 6 can be conveniently dismounted through the coupler 5, one end of the rotating shaft 6, which is far away from the coupler 5, passes through the right side of the second shell 21 and is coaxially connected with an impeller 7 for driving the impeller 7 to rotate.

In this embodiment, mount pad 3 passes through the screw and can dismantle with unable adjustment base 1 and be connected, and the dismouting of mount pad 3 of being convenient for, the right side of second connection pad 30 is equipped with locating piece 300, and the side of locating piece 300 and second connection pad 30 is run through to the tip of axis of rotation 6 for to the location of axis of rotation 6, ensure that axis of rotation 6 steadily rotates.

Specifically, the edge of the outer wall of the first casing 20 is provided with a first connecting plate 200, the edge of the outer wall of the second casing 21 is provided with a second connecting plate 210, the inner side of the second connecting plate 210 is provided with a plurality of first threaded columns 212, the end of each first threaded column 212 penetrates through the side surface of the first connecting plate 200 and is in threaded connection with a first fastening nut 25, so that the first casing 20 and the second casing 21 can be detachably connected, and the volute 2 can be detached by a user conveniently.

Further, the edge of the inner wall of the first casing 20 has been provided with a connecting groove 201, the edge of the inner wall of the second casing 21 has been provided with a sealing connecting plate 211, the shape and size of the sealing connecting plate 211 matches with the shape and size of the connecting groove 201, and the sealing connecting plate 211 that is arranged can seal the joint of the first casing 20 and the second casing 21, so as to avoid the liquid in the volute 2 from seeping out.

Further, the right side of second casing 21 is equipped with fixed plate 23, the right side of fixed plate 23 is equipped with the arc connecting plate 230 of symmetric distribution, the right side of two arc connecting plates 230 is connected with first connection pad 24 jointly, the right side of first connection pad 24 and the position that is close to the edge are equipped with a plurality of second screw thread posts 240 of arranging with annular array, the side and the threaded connection that second connection pad 30 was passed to the tip of second screw thread post 240 have second fastening nut 8, convenient to use person dismouting spiral case 2, and then convenient to use person changes and overflows the part.

When the screw centrifugal pump with the radial opening mechanism of the embodiment is used, when the overflowing component needs to be replaced, a user firstly detaches all the first fastening nuts 25, then separates the first shell 20 from the second shell 21, and then replaces the damaged impeller 7; when the inner wall of the volute 2 is damaged, a user firstly separates the first shell 20 from the second shell 21, then detaches the rotating shaft 6 from the coupler 5, then detaches the rotating shaft 6 and the impeller 7, and finally detaches all the second fastening nuts 8 to separate the second shell 21 from the second connecting disc 30, so that the user can replace the overflowing part conveniently.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. A screw centrifugal pump having a radial opening mechanism, characterized by: comprises a fixed base (1), a mounting seat (3) is arranged at the top of the fixed base (1) and close to the left side, the top of the mounting seat (3) is provided with a second connecting disc (30), the left side of the second connecting disc (30) is detachably connected with a volute (2), the volute (2) comprising a first housing (20) and a second housing (21), an impeller (7) is arranged between the first shell (20) and the second shell (21), a water inlet pipe (22) is arranged on the left side of the first shell (20), a motor (4) is arranged on the top of the fixed base (1) and close to the right side, the end part of the output shaft of the motor (4) is connected with a rotating shaft (6) through a coupling (5), one end, far away from the coupler (5), of the rotating shaft (6) penetrates through the right side of the second shell (21) and is coaxially connected with an impeller (7).

2. The screw centrifugal pump with radial opening mechanism of claim 1, wherein: the mounting seat (3) is detachably connected with the fixing base (1) through a screw, a positioning block (300) is arranged on the right side of the second connecting disc (30), and the end of the rotating shaft (6) penetrates through the side faces of the positioning block (300) and the second connecting disc (30).

3. The screw centrifugal pump with radial opening mechanism of claim 1, wherein: the edge of first casing (20) outer wall is equipped with first connecting plate (200), the edge of second casing (21) outer wall is equipped with second connecting plate (210), the inboard of second connecting plate (210) is equipped with a plurality of first screw thread posts (212), the tip of first screw thread post (212) passes the side and the threaded connection of first connecting plate (200) has first fastening nut (25).

4. The screw centrifugal pump with radial opening mechanism of claim 1, wherein: connecting groove (201) have been seted up to the edge of first casing (20) inner wall, the edge of second casing (21) inner wall is equipped with sealing connecting plate (211), the overall dimension of sealing connecting plate (211) and the overall dimension looks adaptation of connecting groove (201).

5. The screw centrifugal pump with radial opening mechanism of claim 1, wherein: the right side of second casing (21) is equipped with fixed plate (23), the right side of fixed plate (23) is equipped with symmetric distribution's arc connecting plate (230), two the right side of arc connecting plate (230) is connected with first connection dish (24) jointly, the right side of first connection dish (24) and the position that is close to the edge are equipped with a plurality of second screw thread posts (240) of arranging with annular array, the side and the threaded connection that second connection dish (30) were passed to the tip of second screw thread post (240) have second fastening nut (8).

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