Vertical pump

Abstract

The utility model provides a vertical pump which comprises a connecting plate, a lower cover, a pump body, an upper cover and a pump cavity, the connecting plate is used for being connected to an external carrier, the lower cover is arranged below the connecting plate, the pump body is arranged between the lower cover and the connecting plate, and the upper cover is arranged between the lower cover and the pump body. The pump cavity is formed between the upper cover and the lower cover, the liquid inlet is formed in the lower cover and communicated with the pump cavity, and a fluid medium enters the vertical pump through the liquid inlet. When the impeller conveys the fluid medium entering from the liquid inlet to the outside of the liquid outlet pipe, the fluid medium can be prevented from corroding the main shaft and the main body of the rotating motor, and long-term use of the vertical pump is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of vertical pumps, and particularly relates to a vertical pump. Background Art

[0002] As shown in the existing vertical pump attached Figure 1 A vertical pump includes a connecting plate 1', and the connecting plate 1' is used for connecting to an external carrier;

[0003] A lower cover 2', and the lower cover 2' is arranged below the connecting plate 1';

[0004] A pump body 3', and the pump body 3' is arranged between the lower cover 2' and the connecting plate 1';

[0005] An upper cover 4', and the upper cover 4' is arranged between the lower cover 2' and the pump body 3';

[0006] A pump chamber 5', and the pump chamber 5' is formed between the upper cover 4' and the lower cover 2';

[0007] An inlet 6', and the inlet 6' is opened on the lower cover 2' and communicated with the pump chamber 5', and the inlet 6' is used for fluid medium to enter the vertical pump;

[0008] An outlet pipe 7', one end of the outlet pipe 7' is arranged on the lower cover 2' and communicated with the pump chamber 5', the other end of the outlet pipe 7' is arranged on the connecting plate 1' and extends above the connecting plate 1', and the outlet pipe 7' is used for fluid medium to flow out of the vertical pump;

[0009] An impeller 9', and the impeller 9 is rotatably arranged in the pump chamber 5', and the impeller 9 is used for transporting the fluid medium entering from the inlet 6' to the outside of the outlet pipe 7';

[0010] A rotating motor 10', the main body 11' of the rotating motor 10' is arranged on the connecting plate 1', the main shaft 12' of the rotating motor 10' penetrates through the connecting plate 1', the pump body 3', the upper cover 4' and enters the pump chamber 5' to be connected with the impeller 9, and the rotating motor 10' is used for driving the impeller 9 to rotate so that the impeller 9 transports the fluid medium entering from the inlet 6' to the outside of the outlet pipe 7'.

[0011] Although the above vertical pump can solve corresponding technical problems, there are still certain defects objectively in the use process:

[0012] During the process of the impeller 9' transporting the fluid medium entering from the inlet 6' to the outside of the outlet pipe 7', it is impossible to prevent the fluid medium from corroding the main shaft 12' of the rotating motor 10' and the main body 11' of the rotating motor 10', which is not conducive to the long-term use of the vertical pump. Summary of the Invention

[0013] The purpose of the present utility model is to provide a vertical pump in view of the defects and deficiencies of the prior art.

[0014] To achieve the above purpose, the following technical solutions are adopted in the present utility model:

[0015] A vertical pump includes a connecting plate, and the connecting plate is used to connect to an external carrier;

[0016] A lower cover, and the lower cover is arranged below the connecting plate;

[0017] A pump body, and the pump body is arranged between the lower cover and the connecting plate;

[0018] An upper cover, and the upper cover is arranged between the lower cover and the pump body;

[0019] A pump chamber, and the pump chamber is formed between the upper cover and the lower cover;

[0020] A liquid inlet, and the liquid inlet is opened on the lower cover and is communicated with the pump chamber. The liquid inlet is used for a fluid medium to enter the vertical pump;

[0021] A liquid outlet pipe, one end of the liquid outlet pipe is arranged on the lower cover and is communicated with the pump chamber, and the other end of the liquid outlet pipe is arranged on the connecting plate and extends above the connecting plate. The liquid outlet pipe is used for the fluid medium to flow out of the vertical pump;

[0022] An impeller, and the impeller is rotatably arranged in the pump chamber. The impeller is used for transporting the fluid medium entering from the liquid inlet to the outside of the liquid outlet pipe;

[0023] A rotating motor, the main body of the rotating motor is arranged on the connecting plate, the main shaft of the rotating motor penetrates through the connecting plate, the pump body, and the upper cover and enters the pump chamber to be connected with the impeller. The rotating motor is used for driving the impeller to rotate so that the impeller transports the fluid medium entering from the liquid inlet to the outside of the liquid outlet pipe;

[0024] It is characterized in that: it further includes a protective sleeve, the protective sleeve is arranged outside the main shaft of the rotating motor, the protective sleeve is located between the main body of the rotating motor and the impeller, and the protective sleeve is used for preventing the fluid medium from corroding the main shaft of the rotating motor during the process that the impeller transports the fluid medium entering from the liquid inlet to the outside of the liquid outlet pipe;

[0025] An isolation ring seat, and the isolation ring seat is arranged between the connecting plate and the protective sleeve;

[0026] The abutting ring block is located between the pump body and the protective sleeve. One end of the abutting ring block is arranged outside the protective sleeve, and the other end of the abutting ring block abuts against the lower end face of the isolation ring seat. The abutting ring block is used to cooperate with the isolation ring seat to prevent the fluid medium from corroding the main body of the rotating motor during the process that the impeller transports the fluid medium entering from the liquid inlet to the outside of the liquid outlet pipe.

[0027] Further improvement is that: a protective ring is arranged between the protective sleeve and the impeller to prevent the fluid medium from corroding the main shaft of the rotating motor through the connection part between the protective sleeve and the impeller.

[0028] Further improvement is that: the protective ring is a fluororubber protective ring.

[0029] Further improvement is that: the protective sleeve is a silicon carbide protective sleeve or a nickel-based corrosion-resistant alloy protective sleeve, and / or, the abutting ring block is a fluororubber abutting ring block.

[0030] Further improvement is that: a friction-reducing and life-prolonging layer is arranged at the other end of the abutting ring block to reduce the friction between the other end of the abutting ring block and the isolation ring seat and prolong the service life of the other end of the abutting ring block.

[0031] Further improvement is that: the friction-reducing and life-prolonging layer is a polytetrafluoroethylene layer.

[0032] Further improvement is that: an outlet flange is arranged on the liquid outlet pipe, and the outlet flange is used for flange connection with an external pipeline.

[0033] After adopting the above technical solution, the beneficial effect of the utility model is that: during the process that the impeller transports the fluid medium entering from the liquid inlet to the outside of the liquid outlet pipe, it can prevent the fluid medium from corroding the main shaft and the main body of the rotating motor, which is beneficial to the long-term use of the vertical pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0035] Figure 1 is a schematic structural diagram of the existing vertical pump;

[0036] Figure 2 is a schematic structural diagram of the present utility model;

[0037] Figure 3 is corresponding to Figure 2 the sectional view;

[0038] Figure 4 is the enlarged view of part A corresponding to Figure 3 ;

[0039] Figure 5 is the enlarged view of part B corresponding to Figure 3 .

[0040] Explanation of reference numerals in the drawings: connecting plate 1’, lower cover 2’, pump body 3’, upper cover 4’, pump chamber 5’, liquid inlet 6’, liquid outlet pipe 7’, impeller 9’, rotating motor 10’, main body 11’, main shaft 12’, connecting plate 1, lower cover 2, pump body 3, upper cover 4, pump chamber 5, liquid inlet 6, liquid outlet pipe 7, outlet flange 8, impeller 9, rotating motor 10, main body 11, main shaft 12, protective sleeve 13, isolation ring seat 14, abutting ring block 15, protective ring 16, friction reducing and life extending layer 17. Detailed implementation manners

[0041] The present utility model will be further described below in conjunction with the drawings and specific embodiments.

[0042] Referring to Figures 2 to 5 shown in the figure, the technical solution adopted in this specific implementation manner is as follows:

[0043] A vertical pump, comprising a connecting plate 1, and the connecting plate 1 is used for connecting to an external carrier;

[0044] A lower cover 2, and the lower cover 2 is arranged below the connecting plate 1;

[0045] A pump body 3, and the pump body 3 is arranged between the lower cover 2 and the connecting plate 1;

[0046] An upper cover 4, and the upper cover 4 is arranged between the lower cover 2 and the pump body 3;

[0047] A pump chamber 5, and the pump chamber 5 is formed between the upper cover 4 and the lower cover 2;

[0048] A liquid inlet 6, and the liquid inlet 6 is opened on the lower cover 2 and communicated with the pump chamber 5, and the liquid inlet 6 is used for fluid medium to enter the vertical pump;

[0049] A liquid outlet pipe 7, one end of the liquid outlet pipe 7 is arranged on the lower cover 2 and communicated with the pump chamber 5, the other end of the liquid outlet pipe 7 is arranged on the connecting plate 1 and extends above the connecting plate 1, and the liquid outlet pipe 7 is used for fluid medium to flow out of the vertical pump; an outlet flange 8 is arranged on the liquid outlet pipe 7, and the outlet flange 8 is used for flange connection with an external pipeline;

[0050] An impeller 9, and the impeller 9 is rotatably arranged in the pump chamber 5, and the impeller 9 is used for transporting the fluid medium entering from the liquid inlet 6 to the outside of the liquid outlet pipe 7;

[0051] Rotate the rotating motor 10. The main body 11 of the rotating motor 10 is arranged on the connecting plate 1. The main shaft 12 of the rotating motor 10 penetrates through the connecting plate 1, the pump body 3, and the upper cover 4 and enters the pump chamber 5 to be connected with the impeller 9. The rotating motor 10 is used to drive the impeller 9 to rotate so that the impeller 9 transports the fluid medium entering from the liquid inlet 6 to the outside of the liquid outlet pipe 7;

[0052] It further includes a protective sleeve 13. The protective sleeve 13 is fixedly arranged outside the main shaft 12 of the rotating motor 10. The protective sleeve 13 is located between the main body 11 of the rotating motor 10 and the impeller 9. The protective sleeve 13 is used to prevent the fluid medium from corroding the main shaft 12 of the rotating motor 10 during the process that the impeller 9 transports the fluid medium entering from the liquid inlet 6 to the outside of the liquid outlet pipe 7; The protective sleeve 13 is a silicon carbide protective sleeve or a nickel-based corrosion-resistant alloy protective sleeve;

[0053] An isolation ring seat 14 is arranged between the connecting plate 1 and the protective sleeve 13; The main shaft 12 of the rotating motor 10 penetrates through the isolation ring seat 14;

[0054] A top ring block 15 is located between the pump body 3 and the protective sleeve 13. One end of the top ring block 15 is fixedly arranged outside the protective sleeve 13, and the other end of the top ring block 15 abuts against the lower end face of the isolation ring seat 14. The top ring block 15 is used to cooperate with the isolation ring seat 14 to prevent the fluid medium from corroding the main body 11 of the rotating motor 10 during the process that the impeller 9 transports the fluid medium entering from the liquid inlet 6 to the outside of the liquid outlet pipe 7; The top ring block 15 is a fluororubber top ring block. The inner diameter of the upper end of the top ring block 15 is greater than the inner diameter of the lower end of the top ring block 15; A matching ring groove (not shown in the figure) for cooperating with the other end of the top ring block 15 is provided on the lower end face of the isolation ring seat 14.

[0055] A protective ring 16 is arranged between the protective sleeve 13 and the impeller 9 to prevent the fluid medium from corroding the main shaft 12 of the rotating motor 10 through the connection between the protective sleeve 13 and the impeller 9. The protective ring 16 is a fluororubber protective ring. Fluororubber has heat resistance, oxidation resistance, and corrosion resistance.

[0056] A friction-reducing and life-prolonging layer 17 is arranged at the other end of the top ring block 15 to reduce the friction between the other end of the top ring block 15 and the isolation ring seat 14 and prolong the service life of the other end of the top ring block 15. The friction-reducing and life-prolonging layer 17 is a polytetrafluoroethylene layer. Polytetrafluoroethylene has high temperature resistance, corrosion resistance, and good anti-aging endurance, and is the one with the lowest friction coefficient among solid materials.

[0057] The content not described in detail in the specification of the present utility model belongs to the well-known prior art in the art. What the present utility model wants to protect is the structure of the product. The models of each component are not the content protected by the present utility model and are also the well-known prior art in the art. As long as the components on the market can achieve the above functions of the present utility model, they can be selected for application.

[0058] The basic principle, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and descriptions only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A vertical pump, comprising a connecting plate, wherein the connecting plate is used to be connected to an external carrier; A lower cover, the lower cover is arranged below the connecting plate; A pump body, the pump body being arranged between the lower cover and the connecting plate; An upper cover, the upper cover being arranged between the lower cover and the pump body; A pump chamber, wherein the pump chamber is formed between the upper cover and the lower cover; A liquid inlet, which is provided on the lower cover and communicates with the pump chamber, and is used for the fluid medium to enter the vertical pump; A liquid outlet pipe, one end of which is disposed on the lower cover and communicated with the pump chamber, and the other end of which is disposed on the connecting plate and extends to above the connecting plate, and the liquid outlet pipe is used for the fluid medium to flow out of the vertical pump; An impeller, the impeller is rotatably disposed in the pump chamber, and the impeller is used to transport the fluid medium entering from the liquid inlet to the outside of the liquid outlet pipe; A rotating motor, wherein the main body of the rotating motor is arranged on the connecting plate, the main shaft of the rotating motor passes through the connecting plate, the pump body, and the upper cover, enters the pump chamber and is connected to the impeller, and the rotating motor is used to drive the impeller to rotate so that the impeller can transport the fluid medium entering from the liquid inlet to the outside of the liquid outlet pipe; The invention is characterized in that: it also includes a protective sleeve, which is arranged outside the main shaft of the rotating motor, and is located between the main body of the rotating motor and the impeller, and is used to prevent the fluid medium from corroding the main shaft of the rotating motor during the period when the impeller transports the fluid medium entering from the liquid inlet to the outside of the liquid outlet pipe; An isolation ring seat, the isolation ring seat is arranged between the connecting plate and the protective sleeve; A butting ring block is located between the pump body and the protective sleeve, one end of the butting ring block is arranged outside the protective sleeve, and the other end of the butting ring block butts against the lower end surface of the isolation ring seat. The butting ring block is used to cooperate with the isolation ring seat to prevent the fluid medium from corroding the main body of the rotating motor during the period when the impeller transports the fluid medium entering from the liquid inlet to the outside of the liquid outlet pipe.

2. A vertical pump according to claim 1, characterized in that: A protective ring is arranged between the protective sleeve and the impeller to prevent the fluid medium from passing through the connection between the protective sleeve and the impeller and corroding the main shaft of the rotating motor.

3. A vertical pump according to claim 2, characterized in that: The protective ring is a fluororubber protective ring.

4. A vertical pump according to claim 1, characterized in that: The protective sleeve is a silicon carbide protective sleeve or a nickel-based corrosion-resistant alloy protective sleeve, and / or the top ring block is a fluororubber top ring block.

5. A vertical pump according to claim 1, characterized in that: The other end of the abutting ring block is provided with a friction reducing and life extending layer for reducing the friction between the other end of the abutting ring block and the isolation ring seat so as to extend the service life of the other end of the abutting ring block.

6. A vertical pump according to claim 5, characterized in that: The friction reducing and life extending layer is a polytetrafluoroethylene layer.

7. A vertical pump according to claim 1, characterized in that: The liquid outlet pipe is provided with an outlet flange, and the outlet flange is used to be connected with an external pipeline flange.

Images