WO2023056596A1

WO2023056596A1 - Silencing apparatus for canned pump

Info

Publication number: WO2023056596A1
Application number: PCT/CN2021/122603
Authority: WO
Inventors: 陈平; 孙仙友; 孙丹清
Original assignee: 绿美泵业有限公司
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2023-04-13

Abstract

A silencing apparatus for a canned pump, comprising a pump body (1), a fixing plate (2) being fixedly connected to the surface of the pump body (1), a base (3) being fixedly connected to the bottom of the fixing plate (2), a support platform (4) being fixedly connected to the bottom of the base (3), a liquid inlet (5) being fixedly connected to one side of the pump body (1), an upper fixing disc (7) being fixedly connected to one side of the liquid inlet (5), a clamping groove (10) being formed on one side of the upper fixing disc (7), and the upper fixing disc (7) being tightly fixed to a lower fixing disc (8), preventing a filter screen (6) from falling off, and facilitating replacement of the filter screen (6).

Description

A mute device for canned pump

technical field

The utility model belongs to the technical field of pumps and motors, in particular to a mute device for shielded pumps.

Background technique

The shielded pump connects the pump and the motor together. The rotor of the motor and the impeller of the pump are fixed on the same shaft. The rotor of the motor is separated from the stator by the shielding sleeve. The rotor runs in the medium being conveyed, and its power passes through the magnetic field of the stator. Passed to the rotor, the canned pump is mainly used to transport petrochemical liquids such as flammable, explosive, and highly toxic, in order to improve the safety and reliability of petrochemical plant operation. The motor and water pump are integrated, and the water pump and the motor are connected coaxially. , The motor cancels the cooling fan, and the motor is cooled by the circulating medium between the stator and the rotor, and the surface of the motor base is used for cooling.

However, the mute device of the canned pump currently on the market is in daily work, because the canned pump will generate a large vibration when it is working, causing damage to the pump parts inside the canned pump and threatening the safety of the equipment supporting it. At the same time, the canned pump will generate large vibrations during the working process, and will produce relatively large noises during the vibration process, and when the power steering pump is maintained, it is necessary to add the canned pump to the interior. When adding liquid, metal debris or dust will often enter the canned pump during the process of adding, which will cause incomplete treatment of the canned pump in progress and cause loss of the canned pump. For this reason, a method is proposed here Silent device for canned pumps.

Contents of the invention

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a mute device for canned pumps, which effectively solves the problem that the canned pumps on the market will produce large vibrations when they work silently, and the pump inside the canned pump Parts are damaged, and there will be a lot of noise during the vibration process. Metal debris or dust will often enter the canned pump during the process of adding liquid that needs to be processed.

In order to achieve the above object, the utility model provides the following technical solution: a mute device for shielded pumps, including a pump body, the surface of the pump body is fixedly connected with a fixing plate, the bottom of the fixing plate is fixedly connected with a base, the The bottom of the base is fixedly connected with a support platform, and one side of the pump body is fixedly connected with a liquid inlet;

One side of the liquid inlet is fixedly connected with an upper fixed plate, and one side of the upper fixed plate is provided with a clamping groove, and one side of the cavity of the clamping groove is provided with a limiting groove, and the clamping groove The other side of the cavity is movably connected with a pressure plate, one side of the pressure plate is fixedly connected with a compression spring, the surface of the limiting groove is movably connected with a fixed block, and one side of the fixed block is fixedly connected with a lower fixed plate , the bottom of the pump body is fixedly connected with a buffer pad, the bottom of the buffer pad is fixedly connected with a shock absorber, the bottom of the inner cavity of the shock absorber is fixedly connected with a shock absorber spring, and the bottom of the shock absorber is fixed Attached to support columns.

Preferably, a filter screen is fixedly connected to one side of the upper fixed plate, and two sides of the filter screen are respectively fixedly connected to one side of the upper fixed plate and one side of the lower fixed plate.

Preferably, the pump body and the base are arranged parallel to each other, and the base and the pump body are respectively fixedly connected to both sides of the fixing plate.

Preferably, the number of the support platforms is four, and the four support platforms are all fixedly connected to the bottom surface of the base.

Preferably, the top of the base and the bottom of the pump body are respectively fixedly connected to the bottom of the support column and the surface of the buffer pad.

Preferably, the compression spring, the pressure plate, the limiting groove and the locking groove are all arranged in the inner cavity of the upper fixed plate.

Compared with the prior art, the beneficial effects of the utility model are:

1) During the operation of the silent device of the canned pump, through the interaction of the pump body, the liquid inlet, the filter screen, the upper fixed plate, the lower fixed plate, the fixed block, the clamping groove, the pressure plate, the limit groove, and the compression spring Setting, pressing the upper fixed plate through the lower fixed plate can make one side of the lower fixed plate push the pressure plate inward, and the pressure plate can be moved horizontally through the compression spring on one side of the pressure plate. The limit slot is opened, and after opening through the limit slot, the lower fixed plate is rotated, and the fixed block can be snapped into the limit slot. At this time, the upper fixed plate and the lower fixed plate are tightly fixed together to prevent the filter from falling It is easy to replace the filter screen, which improves the practicability of the device;

2) During the operation of the mute device of the canned pump, through the mutual arrangement of the support column, cushion pad, shock absorbing spring, shock absorber, pump body, fixed plate, base, and support platform, through the cushion pad at the bottom of the pump body The setting can reduce the vibration generated when the mute device of the canned pump is working. At the same time, through the setting of the shock-absorbing chamber at the bottom of the cushion, the mutual arrangement of the shock-absorbing springs inside the shock-absorbing chamber will make the canned pump When the silent device vibrates during work, the vibration is offset by the shock-absorbing spring, and it is firmly supported on the base by the support column at the bottom of the shock-absorbing chamber, which reduces the vibration of the device during operation and prolongs the life of the device. practicality.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is the appearance structure schematic diagram of the utility model;

Fig. 2 is the side structure schematic diagram of the utility model;

Fig. 3 is a structural schematic diagram of a support column of the present invention;

Fig. 4 is the front schematic view of the support column of the present utility model;

Fig. 5 is the structural representation of the pressure plate of the present utility model;

In the figure: 1. Pump body; 2. Fixed plate; 3. Base; 4. Support platform; 5. Liquid inlet; 6. Filter screen; 7. Upper fixed plate; 8. Lower fixed plate; 9. Fixed block; 10. Clamping groove; 11. Pressure plate; 12. Limiting groove; 13. Compression spring; 14. Support column; 15. Cushion pad; 16. Damping spring; 17. Damping chamber.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example: Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

The present embodiment is given by Figures 1-5. The utility model includes a pump body 1, the surface of the pump body 1 is fixedly connected with a fixed plate 2, the bottom of the fixed plate 2 is fixedly connected with a base 3, and the fixed plate 2 on the surface of the base 3 The pump body 1 is firmly connected to the top of the base 3, and the bottom of the base 3 is fixedly connected with a support platform 4. The device is firmly supported by the base 3 and the support platform 4 of the base 3, and one side of the pump body 1 is fixed Connected with a liquid inlet 5;

One side of the liquid inlet 5 is fixedly connected with an upper fixed plate 7, and one side of the upper fixed plate 7 is provided with a clamping groove 10, and one side of the cavity of the clamping groove 10 is provided with a limiting groove 12, and the cavity of the clamping groove 10 The other side of the pressure plate 11 is movably connected with a pressure plate 11, and the pressure plate 11 can be moved horizontally through the compression spring 13 on one side of the pressure plate 11. One side of the pressure plate 11 is fixedly connected with a compression spring 13, and the surface of the limiting groove 12 is movable Connected with fixed block 9, one side of fixed block 9 is fixedly connected with lower fixed plate 8, after filter screen 6 is placed in the middle of upper fixed plate 7 and lower fixed plate 8, by the fixed block on one side of lower fixed plate 8 9 and the clamping groove 10 provided on one side of the upper fixed plate 7 are engaged with each other, and the bottom of the pump body 1 is fixedly connected with a cushion pad 15, and through the setting of the cushion pad 15 at the bottom of the pump body 1, the bottom of the cushion pad 15 is fixedly connected with a Shock absorber 17, the bottom of shock absorber 17 inner cavity is fixedly connected with shock absorber spring 16, and the bottom of shock absorber 17 is fixedly connected with support column 14.

Wherein, one side of the upper fixed plate 7 is fixedly connected with a filter screen 6, and the two sides of the filter screen 6 are fixedly connected with one side of the upper fixed plate 7 and one side of the lower fixed plate 8 respectively, by placing the filter screen 6 on After the upper fixed disk 7 and the lower fixed disk 8 are in the middle, the fixed block 9 on one side of the lower fixed disk 8 and the engagement groove 10 provided on the upper fixed disk 7 side are engaged with each other.

Wherein, the pump body 1 and the base 3 are arranged parallel to each other, and the base 3 and the pump body 1 are fixedly connected to both sides of the fixing plate 2 respectively, and the fixing plate 2 on the surface of the base 3 firmly connects the pump body 1 to the top of the base 3 .

Wherein, the number of supporting platforms 4 is four, and the four supporting platforms 4 are all fixedly connected to the surface of the bottom of the base 3 , and the device is firmly supported by the base 3 and the supporting platforms 4 of the base 3 .

Wherein, the top of the base 3 and the bottom of the pump body 1 are fixedly connected with the bottom of the support column 14 and the surface of the buffer pad 15 respectively, and the fixed plate 2 on the surface of the base 3 firmly connects the pump body 1 to the top of the base 3, and the pump The setting of the buffer pad 15 at the bottom of the body 1 can reduce the vibration generated when the silent device of the canned pump works.

Wherein, the compression spring 13, the pressure plate 11, the limit groove 12 and the snap-in groove 10 are all arranged in the inner cavity of the upper fixed plate 7, and the pressure plate 11 can be moved horizontally by the compression spring 13 on one side of the pressure plate 11. The movement of the pressure plate 11 opens the limiting groove 12, which improves the stability of the connection between the upper fixed plate 7 and the lower fixed plate 8.

Working principle: In the daily work of the mute device of the canned pump, first place the filter screen 6 between the upper fixed plate 7 and the lower fixed plate 8, and then fix the fixed block 9 on the side of the lower fixed plate 8 with the upper After the clamping grooves 10 provided on one side of the disk 7 are engaged with each other, the upper fixed disk 7 is squeezed through the lower fixed disk 8, so that one side of the lower fixed disk 8 can push the pressure plate 11 inward, and the pressure plate 11 can be pushed inwardly. The compression spring 13 on the side can move the pressure plate 11 horizontally. Through the movement of the pressure plate 11, the limit groove 12 is opened. After the limit groove 12 is opened, the lower fixed plate 8 is rotated, and the fixed block 9 can be locked. Access to the limit groove 12, at this time the upper fixed plate 7 and the lower fixed plate 8 are tightly fixed together, preventing the filter screen 6 from falling, facilitating the replacement of the filter screen 6, and improving the practicability of the device;

At the same time, when the mute device of the canned pump is working, the device can be firmly supported by the base 3 and the support platform 4 of the base 3, and the fixed plate 2 on the surface of the base 3 can firmly connect the pump body 1 to the top of the base 3 , through the setting of the buffer pad 15 at the bottom of the pump body 1, the vibration generated when the mute device of the shielded pump is working can be reduced, and at the same time, through the setting of the shock absorber 17 at the bottom of the buffer pad 15, the shock absorber 17 can The mutual arrangement of the internal damping springs 16 will offset the vibrations through the damping springs 16 when the mute device of the canned pump vibrates during operation, and the support column 14 at the bottom of the damping chamber 17 will firmly support it on the On the base 3, the vibration when the device is working is reduced, and the practicability of the device is prolonged.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims

A mute device for a canned pump, comprising a pump body (1), characterized in that: a fixed plate (2) is fixedly connected to the surface of the pump body (1), and a base is fixedly connected to the bottom of the fixed plate (2) (3), the bottom of the base (3) is fixedly connected with a support platform (4), and one side of the pump body (1) is fixedly connected with a liquid inlet (5);

One side of the liquid inlet (5) is fixedly connected with an upper fixed plate (7), and one side of the upper fixed plate (7) is provided with a clamping groove (10), and the clamping groove (10) A limiting groove (12) is provided on one side of the cavity, and a pressure plate (11) is movably connected to the other side of the inner cavity of the clamping groove (10), and a compression spring is fixedly connected to one side of the pressure plate (11) (13), the surface of the limiting groove (12) is movably connected with a fixed block (9), and one side of the fixed block (9) is fixedly connected with a lower fixed plate (8), and the pump body (1) The bottom of the cushion pad (15) is fixedly connected with a shock absorber (17), and the bottom of the shock absorber (17) inner cavity is fixedly connected with a shock absorber spring (16 ), the bottom of the shock absorber (17) is fixedly connected with a support column (14).
The silent device of a canned pump according to claim 1, characterized in that: one side of the upper fixed plate (7) is fixedly connected with a filter screen (6), and the two sides of the filter screen (6) They are fixedly connected with one side of the upper fixed disk (7) and one side of the lower fixed disk (8) respectively.
The mute device of a canned pump according to claim 1, characterized in that: the pump body (1) and the base (3) are arranged in parallel and juxtaposed, and the base (3) and the pump body (1) are respectively It is fixedly connected with both sides of the fixed plate (2).
The silent device of a canned pump according to claim 1, characterized in that: the number of the support platforms (4) is four, and the four support platforms (4) are all fixedly connected to the base (3) bottom surface.
The silent device of a canned pump according to claim 1, characterized in that: the top of the base (3) and the bottom of the pump body (1) are respectively connected to the bottom of the support column (14) and the buffer pad (15) surface fixed connection.
The mute device of a canned pump according to claim 1, characterized in that: the compression spring (13), the pressure plate (11), the limit groove (12) and the clamping groove (10) are all arranged on the upper The inner cavity of the fixed disc (7).