CN215409225U

CN215409225U - Light vertical multistage centrifugal pump

Info

Publication number: CN215409225U
Application number: CN202120955521.8U
Authority: CN
Inventors: 蒋必瑞
Original assignee: Shanghai Raybon Machinery Group Co ltd
Current assignee: Shanghai Raybon Machinery Group Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-01-04
Anticipated expiration: 2031-05-07

Abstract

A light-duty vertical multi-stage centrifugal pump comprises a treatment box, one end of the treatment box is fixedly connected with the centrifugal pump, a filter plate is arranged inside the treatment box, a fixed plate is fixedly connected to the top of the filter plate, and a movable plate is arranged inside the fixed plate The top of the fixed plate is provided with a limit mechanism. The beneficial effect is that it can facilitate the disassembly and replacement of the filter plate in the centrifugal pump. It only needs to take out the entire filter plate from the processing box, and it does not need to be installed in the centrifugal pump. When replacing the filter plate, stop the centrifugal pump, and only need to pull up the limit plate during installation to insert the limit block into the fixed block, so as to achieve the internal purpose of fixedly installing the filter plate.

Description

Light vertical multistage centrifugal pump

Technical Field

The utility model relates to the technical field of centrifugal pumps, in particular to a light vertical multistage centrifugal pump.

Background

The multistage centrifugal pump is characterized in that a plurality of centrifugal pumps are assembled together in a series connection mode as the name implies, so that the working effect of the multistage centrifugal pump is achieved.

However, when the existing multistage centrifugal pump is used, in order to filter water entering the multistage centrifugal pump, the filter screen needs to be used for filtering, when the multistage centrifugal pump is used for a long time, the filter screen needs to be disassembled and assembled for replacement, but most of the multistage centrifugal pump is not convenient for replacing the filter screen, a large amount of operation time needs to be consumed, and then the centrifugal pump needs to be stopped, and the filter screen is disassembled and assembled again for replacement, so that the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that the operation of disassembling and replacing a filter screen is inconvenient, a large amount of operation time is consumed, and the centrifugal pump needs to be stopped during operation, so that the working efficiency is reduced, and provides a light vertical multistage centrifugal pump, wherein a moving mechanism can play a role of driving a limiting block to move, when the limiting block moves into a fixed block, the purpose of fixedly mounting the filter screen is realized, the limiting mechanism can play a role of limiting and fixing the limiting block, so that the subsequent work of disassembling and assembling the filter screen is facilitated, the operation is simple and convenient, the first limiting groove can play a role of limiting the limiting block when the limiting block moves, so that the phenomenon of shaking generated when the limiting block moves is avoided, the second limiting groove can play a role of limiting the filter screen, so that the filter screen is convenient to take out or put in, the phenomenon of filter plate excursion is not easy to occur.

The technical scheme adopted by the utility model for solving the technical problem is as follows: a lightweight vertical multistage centrifugal pump comprising: the treatment box, the one end fixedly connected with centrifugal pump of treatment box, the inside of handling the box is equipped with the filter, the top fixedly connected with fixed plate of filter, the inside of fixed plate is equipped with moving mechanism, the top of fixed plate is equipped with stop gear.

Preferably, the moving mechanism comprises a spring, one end of the spring, which is close to the center of the fixed plate, is fixedly connected with a partition plate, the partition plate is fixedly connected to the inner wall of the fixed plate, the other end of the spring is fixedly connected with a moving block, the bottom of the moving block is provided with a first limiting groove, the first limiting groove is fixedly connected to the bottom end face of the fixed plate, the bottom end of the moving block is connected with a sliding block, the sliding block is connected to the first limiting groove in a sliding mode, the top end of the moving block penetrates through the fixed plate and is fixedly connected with a limiting block, the limiting block is far away from a fixedly connected with connecting plate of the fixed plate, the top end of the treatment box is symmetrically and fixedly connected with two fixed blocks, and the opposite ends of the two fixed blocks are provided with slots in a chiseling mode, and the slots are matched with the limiting blocks.

Preferably, stop gear is equipped with the limiting plate, through a plurality of extension spring fixed connection between limiting plate and the fixed plate, all dig on the both sides wall of limiting plate and be equipped with the recess, and dig on the top face of recess and be equipped with the spacing groove, the top of limiting plate is equipped with the arm-tie, and passes through connecting rod fixed connection between arm-tie and the fixed plate.

Preferably, the inside of connecting plate is equipped with the inserted block, two elastic components of the bottom fixedly connected with of inserted block, and the equal fixed connection of the other end of two elastic components is on the inner wall of connecting plate.

Preferably, the both sides of filter all are equipped with the second spacing groove, the equal fixed connection of one end in second spacing groove is on the inner wall of handling the case, all be connected with the slider on the both sides wall of filter, and slider and second spacing groove swing joint.

Preferably, the top of filter is equipped with bottom locating part, the inside excavation of bottom locating part is equipped with the recess, the inside symmetry of bottom locating part is equipped with two backup pads, two the bottom of backup pad is connected with a plurality of elastic components, and the equal fixed connection of the other end of every elastic component is in the recess of bottom locating part.

The utility model has the following advantages: moving mechanism can play the purpose that drives the stopper and remove, when the stopper removes to the fixed block in, in order to realize carrying out fixed mounting's purpose with the filter, stop mechanism can play and carry out spacing fixed purpose to the stopper, thereby be convenient for going on of follow-up dismouting filter work, easy operation is convenient to use, first spacing groove can play when the stopper removes, play spacing purpose to it, thereby produce the phenomenon of rocking when avoiding appearing the stopper and removing, the second spacing groove can play the purpose spacing to the filter, thereby be convenient for take out the filter or put into going on of operation, the phenomenon of filter skew is difficult for appearing.

Drawings

FIG. 1 is a front view schematic diagram of a lightweight vertical multistage centrifugal pump in accordance with a preferred embodiment of the present invention;

FIG. 2 is an enlarged schematic view of a lightweight vertical multistage centrifugal pump according to a preferred embodiment of the present invention at A;

FIG. 3 is a schematic diagram of the structure of the fixing plate and the limiting plate of the light vertical multistage centrifugal pump according to a preferred embodiment of the present invention

Fig. 4 is a schematic view showing the internal structure of a connection plate of a lightweight vertical multistage centrifugal pump according to a preferred embodiment of the present invention.

Description of reference numerals:

1. a treatment tank; 2. a fixing plate; 3. a limiting plate; 4. a limiting block; 5. a fixed block; 6. a filter plate; 7. a bottom stop; 8. a first limit groove; 9. a moving block; 10. a spring; 11. a connecting plate; 12. inserting a block; 13. a second limit groove; 14. a support plate; 15. a moving mechanism; 16. a limiting mechanism.

Detailed Description

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model will be further explained with reference to the drawings.

The multistage centrifugal pump in the prior art is inconvenient for dismounting and replacing the filter screen, needs to consume a large amount of operation time, and then needs to stop the centrifugal pump during operation, thereby reducing the working efficiency.

Example one

The light vertical multistage centrifugal pump as shown in fig. 1-4 comprises a treatment box 1, wherein one end of the treatment box 1 is fixedly connected with a centrifugal pump, a filter plate 6 is arranged inside the treatment box 1, the top end of the filter plate 6 is fixedly connected with a fixed plate 2, a moving mechanism 15 is arranged inside the fixed plate 2, and a limiting mechanism 16 is arranged at the top of the fixed plate 2.

Can play the effect of being convenient for carry out the dismouting change to filter 6 in the centrifugal pump, only need with whole filter 6 from handling 1 take out can, need not stop the centrifugal pump when changing filter 6, only need during the installation to go up to promote and pull limiting plate 3 to the realization inserts stopper 4 in the fixed block 5, thereby realizes the interior purpose of fixed mounting filter 6.

Specifically, the moving mechanism 15 comprises a spring 10, one end of the spring 10 close to the center of the fixed plate 2 is fixedly connected with a partition plate, the partition plate is fixedly connected on the inner wall of the fixed plate 2, the other end of the spring 10 is fixedly connected with a moving block 9, the bottom of the moving block 9 is provided with a first limiting groove 8, the first limiting groove 8 is fixedly connected on the bottom end face of the fixed plate 2, the bottom end of the moving block 9 is connected with a sliding block, the sliding block is slidably connected in the first limiting groove 8, the top end of the moving block 9 penetrates through the fixed plate 2 and is fixedly connected with a limiting block 4, one end of the limiting block 4 far away from the fixed plate 2 is fixedly connected with a connecting plate 11, the top end of the treatment box 1 is symmetrically and fixedly connected with two fixed blocks 5, opposite ends of the two fixed blocks 5 are provided with slots, the slots are matched with the limiting block 4, when the filter plate 6 needs to be installed, the filter plate 6 is firstly inserted into the treatment box 1, make two stopper 4 at 2 tops of fixed plate contact with fixed block 5 this moment, spring 10 connected through stopper 4 bottom movable block 9, elasticity through spring 10, make stopper 4 remove to the opposite side, when continuing to move down filter 6, make fixed block 5 relative with stopper 4, elasticity through spring 10, can promote stopper 4 to the slot in fixed block 5 in, can realize the purpose of fixed mounting filter 6, when needs are dismantled, only need remove the pull rod at stopper 4 top, thereby realize shifting out stopper 4 from the slot in fixed block 5.

Stop gear 16 is equipped with limiting plate 3, through a plurality of extension spring fixed connection between limiting plate 3 and the fixed plate 2, all cut on the both sides wall of limiting plate 3 and be equipped with the recess, and cut on the top face of recess and be equipped with the spacing groove, the top of limiting plate 3 is equipped with the arm-tie, and pass through connecting rod fixed connection between arm-tie and the fixed plate 2, when removing stopper 4 to limiting plate 3 department, make connecting plate 11 insert in the recess of limiting plate 3 one side, make inserted block 12 receive the extrusion this moment, elastic component through the other end is connected, can shrink inserted block 12 to connecting plate 11 in, when continuing to remove stopper 4, through the elastic component of inserted block 12 bottom, can pop out inserted block 12, thereby make inserted block 12 insert in the spacing groove on recess top, in order to realize the fixed purpose of stopper 4, thereby be convenient for going on of dismouting 6 operation.

Example two

In the first embodiment, the phenomenon of shaking the offset easily occurs when the limiting block 4 moves at the same time, and then the limiting block 4 is influenced to be inserted into the slot of the fixed block 5, referring to the enlarged view of the position a, as another preferred embodiment, the difference from the first embodiment lies in that, through the first limiting groove 8, and then when the moving block 9 moves, the sliding block at the bottom of the moving block slides in the first limiting groove 8, so that the limiting through the first limiting groove 8 is realized, and further, the phenomenon of shaking is not easy to occur when the limiting block 4 moves.

EXAMPLE III

In the first embodiment, when the filter plate 6 is detached and mounted, the filter plate 6 is easily placed in and taken out of the filter plate, and referring to fig. 1, as another preferred embodiment, the difference from the first embodiment is that the second limiting groove 13 is used, so that the sliding blocks on two sides of the filter plate 6 are slidably connected to the second limiting groove 13, and the purpose of limiting can be achieved, so that the filter plate 6 is more stable when moving, and the subsequent mounting and dismounting operations can be conveniently performed.

Example four

In the first preferred embodiment, when the filter plate 6 is installed, the impact force generated when the filter plate 6 is downward easily causes damage to the processing box 1 and the filter plate 6 itself, and as another preferred embodiment, the difference from the first preferred embodiment is that the impact force generated when the filter plate 6 is downward placed can be reduced by the two support plates 14 connected with a plurality of elastic members and the elastic force of the elastic members, and the purpose of protecting the filter plate 6 and the processing box 1 can be achieved

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Other parts of the utility model not described in detail are prior art and are not described in detail herein.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A light-duty vertical multistage centrifugal pump, comprising: handle case (1), the one end fixedly connected with centrifugal pump of handling case (1), the inside of handling case (1) is equipped with filter (6), the top fixedly connected with fixed plate (2) of filter (6), the inside of fixed plate (2) is equipped with moving mechanism (15), the top of fixed plate (2) is equipped with stop gear (16).

2. The light-duty vertical multistage centrifugal pump according to claim 1, wherein the moving mechanism (15) comprises a spring (10), one end of the spring (10) near the center of the fixed plate (2) is fixedly connected with a partition plate, the partition plate is fixedly connected to the inner wall of the fixed plate (2), the other end of the spring (10) is fixedly connected with a moving block (9), the bottom of the moving block (9) is provided with a first limiting groove (8), the first limiting groove (8) is fixedly connected to the bottom end surface of the fixed plate (2), the bottom end of the moving block (9) is connected with a sliding block, the sliding block is slidably connected in the first limiting groove (8), the top end of the moving block (9) penetrates through the fixed plate (2) and is fixedly connected with a limiting block (4), and one fixed connecting plate (11) far away from the fixed plate (2) is fixedly connected with the limiting block (4), handle two fixed blocks (5) of the top symmetry fixedly connected with of case (1), two the slot is all dug to the one end that fixed block (5) are relative, and slot and stopper (4) phase-match.

3. A light vertical multistage centrifugal pump according to claim 1, wherein the limiting mechanism (16) is provided with a limiting plate (3), the limiting plate (3) is fixedly connected with the fixing plate (2) through a plurality of tension springs, grooves are drilled on both side walls of the limiting plate (3), limiting grooves are drilled on the top end face of each groove, a pulling plate is arranged at the top of the limiting plate (3), and the pulling plate is fixedly connected with the fixing plate (2) through a connecting rod.

4. A light-duty vertical multistage centrifugal pump according to claim 2, characterized in that the inside of the connecting plate (11) is provided with an insert block (12), two elastic members are fixedly connected to the bottom end of the insert block (12), and the other ends of the two elastic members are fixedly connected to the inner wall of the connecting plate (11).

5. A light vertical multistage centrifugal pump according to claim 1, wherein the two sides of the filter plate (6) are provided with second limiting grooves (13), one end of each second limiting groove (13) is fixedly connected to the inner wall of the treatment box (1), the two side walls of the filter plate (6) are connected with sliding blocks, and the sliding blocks are movably connected with the second limiting grooves (13).

6. A light-duty vertical multistage centrifugal pump according to claim 1, wherein the top of the filter plate (6) is provided with a bottom stopper (7), the inside of the bottom stopper (7) is provided with a groove, the inside of the bottom stopper (7) is symmetrically provided with two support plates (14), the bottom ends of the two support plates (14) are connected with a plurality of elastic members, and the other end of each elastic member is fixedly connected in the groove of the bottom stopper (7).