CN221074737U

CN221074737U - Centrifugal pump spiral case convenient to dismantle

Info

Publication number: CN221074737U
Application number: CN202322872654.0U
Authority: CN
Inventors: 岳新建
Original assignee: Zibo Huayan Pump Co ltd
Current assignee: Zibo Huayan Pump Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-06-04
Anticipated expiration: 2033-10-25

Abstract

The utility model discloses a centrifugal pump volute convenient to detach, and relates to the technical field of impeller machinery. When the centrifugal pump is required to be disassembled, only a plurality of groups of mounting bolts on the first shell and the second shell are required to be unscrewed and pulled out, so that the first shell and the second shell are separated, meanwhile, the mounting block and the mounting plate are divided into two parts, and therefore the disassembly of the centrifugal pump is completed. The motor can be started to drive the rotating shaft to rotate, so that the pump body can work normally, water is injected into the volute through the second opening, and the impeller in the volute drives the water to rotate at a high speed, so that centrifugal force is generated, and the pump body works.

Description

Centrifugal pump spiral case convenient to dismantle

Technical Field

The utility model relates to the technical field of impeller machinery, in particular to a centrifugal pump volute which is convenient to detach.

Background

A centrifugal pump is a pump that conveys liquid by centrifugal force generated when an impeller rotates.

Centrifugal pumps operate by using rotation of an impeller to cause centrifugal movement of water. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to do high-speed rotation movement, the water is centrifugally moved and thrown to the outer edge of the impeller, and the water flows into the water pressing pipeline of the water pump through the runner of the volute pump shell.

The application field of pumps is expanding rapidly, a large amount of common corrosion-resistant pump volutes used in industry mostly adopt metal volutes with better strength, a finished product is manufactured by casting and cutting a metal shell, lining materials are embedded in the metal volute to prevent the metal shell from being corroded and worn, and the produced integrated metal volute lining volute has the problems of delamination, bulge or perforation and the like due to the influence of factors such as scouring, cavitation, corrosion of chemical media or temperature of production industry, so that the service life of the integrated metal volute lining volute is shorter, and the metal volute and the lining are integrally formed and cannot be detached, so that the whole metal volute must be replaced completely, and the maintenance cost is higher due to the higher manufacturing cost of the metal volute, thereby increasing the shutdown rate of users and seriously affecting the production efficiency.

The following problems exist in the prior art:

1. The existing centrifugal pump volute which is convenient to detach is connected with a motor into a whole through a flange in the use process, so that gaps are easily formed at the connecting position, and the sealing performance and the functionality of the device are reduced;

2. The existing centrifugal pump volute convenient to detach is relatively complex in structure in the use process, a large amount of time and labor are spent in detachment and installation, and cleaning and maintenance of parts in the later period are inconvenient.

Disclosure of utility model

In order to solve the technical problems, the utility model adopts the following technical scheme:

The utility model provides a centrifugal pump spiral case convenient to dismantle, includes the main part, the front end of main part is provided with the base, first mount pad is installed to the upper left end of main part, the motor is installed to the upper end of first mount pad, the output shaft fixedly connected with pivot of motor, the top of pivot is equipped with coupling mechanism, coupling mechanism's front end is equipped with disassembly body, the second mount pad is installed to the upper right end of base, coupling mechanism includes first flange, the rear end of first flange and the top fixed connection of pivot, the front side of first flange is equipped with the magnetic plate, the front side of magnetic plate is equipped with second flange, the rear end of second flange is equipped with the branch of multiunit, all seted up fashioned connecting hole on first flange, magnetic plate and the second flange, the inside of connecting hole is equipped with fixing bolt, disassembly body includes the spiral case, the lower extreme of spiral case and the upside swing joint of second mount pad, divide into first casing and second casing, first casing and second casing and the inside casing have the first casing, the inside connection has the first casing has the first spiral case, the inside connection board has the first casing has the top of first casing, the inside connection board has the first casing.

The technical scheme of the utility model is further improved as follows: the rear side of the magnetic plate is connected with the front side of the first connecting flange through screws, and the front side of the magnetic plate is movably connected with the front end of the second connecting flange.

The technical scheme of the utility model is further improved as follows: the fixing bolt is connected with the connecting hole through threads.

The technical scheme of the utility model is further improved as follows: the connecting block is connected with the mounting screw rod through threads, and one end of the second shell is fixedly connected with the top end of the supporting rod.

The technical scheme of the utility model is further improved as follows: the first shell and the second shell can be separated, so that components such as the connecting block, the mounting plate and the like are also separated into two parts.

The technical scheme of the utility model is further improved as follows: the upper side of the first mounting seat is fixedly connected with the lower side of the motor.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

The utility model provides a centrifugal pump volute which is convenient to detach, under the combined action of a first connecting flange, a magnetic plate, a second connecting flange, a supporting rod, a connecting hole and a fixing bolt, after improvement, a gap does not exist at the joint of a centrifugal pump and a motor, the sealing performance and the functionality of a device are not reduced, the first connecting flange is arranged at the top end of a rotating shaft, when the centrifugal pump volute is used, after the first connecting flange, the magnetic plate, the second connecting flange and other components are attached, a pump body is tightly fixed on the motor through the combination of the fixing bolt and the connecting hole, and meanwhile, the magnetic plate can magnetically seal the joint of the first connecting flange and the second connecting flange, so that the sealing performance and the service performance of the device are guaranteed, and the functionality of the device is improved.

The utility model provides a centrifugal pump volute convenient to detach, which is simple in structure, and the improved centrifugal pump is convenient to detach and mount without spending a great deal of time and labor under the combined action of the volute, a first shell, a second shell, a connecting block, a mounting screw, a first opening, a mounting plate, a second opening and an impeller, so that parts are convenient to clean and maintain in the later stage. The motor can be started to drive the rotating shaft to rotate, so that the pump body can work normally, water is injected into the volute through the second opening, and the impeller in the volute drives the water to rotate at a high speed, so that centrifugal force is generated, and the pump body works.

Drawings

FIG. 1 is a schematic view of a centrifugal pump volute of the present utility model for easy disassembly;

FIG. 2 is a schematic structural view of the connecting mechanism of the present utility model;

FIG. 3 is a schematic view of a disassembly mechanism according to the present utility model;

fig. 4 is a schematic structural view of a detail of the connecting mechanism of the present utility model.

In the figure: 1. a main body; 2. a base; 3. a first mount; 4. a motor; 5. a rotating shaft; 6. a connecting mechanism; 7. a dismounting mechanism; 8. a second mounting base; 61. a first connection flange; 62. a magnetic plate; 63. a second connection flange; 64. a support rod; 611. a connection hole; 612. a fixing bolt; 71. a volute; 72. a first housing; 73. a second housing; 74. a connecting block; 75. installing a screw; 76. a first opening; 77. a mounting plate; 78. a second opening; 79. an impeller.

Description of the embodiments

The utility model is further illustrated by the following examples:

Examples

As shown in fig. 1 to 4, the utility model provides a centrifugal pump volute which is convenient to detach, comprising a main body 1, wherein the front end of the main body 1 is provided with a base 2, and the utility model is characterized in that: the first mount pad 3 is installed to the upper left end of main part 1, and motor 4 is installed to the upper end of first mount pad 3, and motor 4's output shaft fixedly connected with pivot 5, and the top of pivot 5 is equipped with coupling mechanism 6, and coupling mechanism 6's front end is equipped with detaching mechanism 7, and second mount pad 8 is installed to the upper right end of base 2, and the upside of first mount pad 3 and motor 4's downside fixed connection.

Examples

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the connection mechanism 6 comprises a first connection flange 61, the rear end of the first connection flange 61 is fixedly connected with the top end of the rotating shaft 5, a magnetic plate 62 is arranged on the front side of the first connection flange 61, a second connection flange 63 is arranged on the front side of the magnetic plate 62, a plurality of groups of supporting rods 64 are arranged on the rear end of the second connection flange 63, formed connection holes 611 are formed in the first connection flange 61, the magnetic plate 62 and the second connection flange 63, fixing bolts 612 are arranged in the connection holes 611, the rear side of the magnetic plate 62 is connected with the front side of the first connection flange 61 through screws, and the front side of the magnetic plate 62 is movably connected with the front end of the second connection flange 63 through screws, and the fixing bolts 612 are connected with the connection holes 611 through threads.

In this embodiment, after the improved connection between the centrifugal pump and the motor 4 has no gap, the sealing performance and functionality of the device are not reduced, the first connection flange 61 is installed at the top end of the rotating shaft 5, when in use, after the first connection flange 61, the magnetic plate 62, the second connection flange 63 and other components are attached, the pump body is tightly fixed on the motor 4 by combining the fixing bolt 612 with the connection hole 611, and meanwhile, the magnetic plate 62 can magnetically seal the connection between the first connection flange 61 and the second connection flange 63, so that the sealing performance and the service performance of the device are ensured, and the functionality of the device is improved.

Examples

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the dismounting mechanism 7 comprises a volute 71, the lower end of the volute 71 is movably connected with the upper side of the second mounting seat 8, the volute 71 is divided into a first shell 72 and a second shell 73, the outer sides of the first shell 72 and the second shell 73 are fixedly connected with a connecting block 74, a mounting screw 75 is arranged in the connecting block 74, one end of the first shell 72 is provided with a first opening 76, the top ends of the first shell 72 and the second shell 73 are fixedly connected with a mounting plate 77, a second opening 78 is formed in the middle of the mounting plate 77, an impeller 79 is mounted in the volute 71, the connecting block 74 is connected with the mounting screw 75 through threads, one end of the second shell 73 is fixedly connected with the top ends of the supporting rods 64, and the first shell 72 and the second shell 73 can be separated, so that the components such as the connecting block 74, the mounting plate 77 and the like are also separated into two parts.

In this embodiment, the improved centrifugal pump is simple in structure, and the disassembly and the assembly do not need to take a lot of time and labor, so that the parts can be cleaned and maintained at the later stage, the volute 71 is arranged on the second mounting seat 8, when the centrifugal pump is required to be disassembled in use, only the plurality of groups of mounting screws 75 on the first shell 72 and the second shell 73 are required to be unscrewed and pulled out, so that the first shell 72 and the second shell 73 are separated, meanwhile, the mounting block 74 and the mounting plate 77 are divided into two parts, the disassembly of the centrifugal pump is completed, and when the centrifugal pump is assembled, only the two shells are required to be aligned, and then the mounting screws 75 are inserted back into the connecting block 74, and the centrifugal pump is screwed down, so that the centrifugal pump is completed. The motor 4 can be started to drive the rotating shaft 5 to rotate, so that the pump body can work normally, water is injected into the volute 71 through the second opening 78, and the impeller 79 in the volute 71 drives the water to rotate at a high speed, so that centrifugal force is generated, and the pump body works.

Examples

The working principle of the centrifugal pump volute which is convenient to detach is specifically described below.

As shown in fig. 1-4, this centrifugal pump spiral case convenient to dismantle is when using, there is not the clearance in centrifugal pump and motor 4 junction after improving through coupling mechanism 6, can not reduce sealing performance and the functionality of device, install the top at pivot 5 through first coupling flange 61, when using, with first coupling flange 61, magnetic plate 62, after parts such as second flange 63 laminate it, in the tight fastening of pump body on motor 4 through fixing bolt 612 and connecting hole 611 combination, simultaneously, magnetic plate 62 can carry out the magnetic seal to the junction of first coupling flange 61 and second flange 63, and then guarantee sealing performance and the performance of device, the improvement device functionality, centrifugal pump simple structure after being improved by detaching mechanism 7 again, dismantle and install all need not spend a large amount of time and manpower, thereby be convenient for later stage to wash and maintain the part, set up on second mount pad 8 through spiral case 71, when using, only need dismantle centrifugal pump with on first casing 72 and the second casing 73 multiunit 75, and install the screw rod 74, thereby install the two sets of screw rod 74, install the two and unscrew, install the plug-in the casing 74, install the two and install the plug-in the casing 74, the two, the plug-in the installation is accomplished, and the screw rod is accomplished, and the installation is accomplished. The motor 4 can be started to drive the rotating shaft 5 to rotate, so that the pump body can work normally, water is injected into the volute 71 through the second opening 78, and the impeller 79 in the volute 71 drives the water to rotate at a high speed, so that centrifugal force is generated, and the pump body works.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a centrifugal pump spiral case convenient to dismantle, includes main part (1), the front end of main part (1) is provided with base (2), its characterized in that: the novel electric power transmission device comprises a main body (1), wherein a first mounting seat (3) is mounted at the left upper end of the main body (1), a motor (4) is mounted at the upper end of the first mounting seat (3), an output shaft of the motor (4) is fixedly connected with a rotating shaft (5), a connecting mechanism (6) is arranged at the top end of the rotating shaft (5), a dismounting mechanism (7) is arranged at the front end of the connecting mechanism (6), and a second mounting seat (8) is mounted at the right upper end of a base (2);

The connecting mechanism (6) comprises a first connecting flange (61), the rear end of the first connecting flange (61) is fixedly connected with the top end of the rotating shaft (5), a magnetic plate (62) is arranged on the front side of the first connecting flange (61), a second connecting flange (63) is arranged on the front side of the magnetic plate (62), a plurality of groups of supporting rods (64) are arranged at the rear end of the second connecting flange (63), formed connecting holes (611) are formed in the first connecting flange (61), the magnetic plate (62) and the second connecting flange (63), and fixing bolts (612) are arranged in the connecting holes (611);

Disassembly body (7) include spiral case (71), the upside swing joint of the lower extreme of spiral case (71) and second mount pad (8), spiral case (71) divide into first casing (72) and second casing (73), the outside fixedly connected with connecting block (74) of first casing (72) and second casing (73), the inside of connecting block (74) is equipped with mounting screw (75), the one end of first casing (72) is equipped with first opening (76), the top fixedly connected with mounting panel (77) of first casing (72) and second casing (73), second opening (78) have been seted up in the middle of mounting panel (77), the internally mounted of spiral case (71) has impeller (79).

2. The centrifugal pump volute of claim 1, wherein the centrifugal pump volute is configured to be easily removed: the rear side of the magnetic plate (62) is connected with the front side of the first connecting flange (61) through screws, and the front side of the magnetic plate (62) is movably connected with the front end of the second connecting flange (63).

3. A centrifugal pump volute for easy disassembly according to claim 2, wherein: the fixing bolt (612) is connected with the connecting hole (611) through threads.

4. The centrifugal pump volute of claim 1, wherein the centrifugal pump volute is configured to be easily removed: the connecting block (74) is connected with the mounting screw rod (75) through threads, and one end of the second shell (73) is fixedly connected with the top end of the supporting rod (64).

5. The centrifugal pump volute of claim 4, wherein: the first housing (72) and the second housing (73) can be separated, so that components such as the connecting block (74), the mounting plate (77) and the like are also separated into two parts.

6. The centrifugal pump volute of claim 1, wherein the centrifugal pump volute is configured to be easily removed: the upper side of the first mounting seat (3) is fixedly connected with the lower side of the motor (4).