Low-noise stainless steel vertical multi-stage pump

Abstract

The utility model relates to the field of multi-stage pumps, in particular to a low-noise stainless steel vertical multi-stage pump. The technical problems that in the prior art, a noise reduction structure of a stainless steel vertical multi-stage pump is usually difficult to disassemble and assemble from a pump body shell quickly, and when the multi-stage pump needs to be disassembled and maintained, the noise reduction structure is inconvenient to disassemble from the pump body shell quickly are solved. According to the technical scheme, the low-noise stainless steel vertical multi-stage pump comprises a pump body assembly. After the first noise reduction assembly is installed on the dismounting assembly, the locking assembly is used for locking the first noise reduction assembly, then the second noise reduction assembly is placed on the pump body assembly, and the second noise reduction assembly is used for conducting sound insulation and noise reduction on the upper portion of the pump body assembly. The problems that in the prior art, a noise reduction structure of a stainless steel vertical multi-stage pump is usually difficult to disassemble and assemble from a pump body shell quickly, and when the multi-stage pump needs to be disassembled and maintained, the noise reduction structure is inconvenient to disassemble from the pump body shell quickly are solved.

Description

Technical Field

[0001] The utility model belongs to the field of multi-stage pumps, and in particular relates to a low-noise stainless steel vertical multi-stage pump. Background Art

[0002] A stainless steel vertical multistage pump is a pump used to transport clean water or materials. It is usually used in industry, construction, water supply systems and agriculture. During the use of the multistage pump, it often generates a lot of noise, which is easy to affect the surrounding environment. The noise reduction structure of the stainless steel vertical multistage pump in the prior art is usually difficult to quickly disassemble and assemble from the pump body casing. When the multistage pump needs to be disassembled for maintenance, it is not convenient to quickly remove the noise reduction structure from the pump body casing. Utility Model Content

[0003] In order to overcome the problem that the noise reduction structure of the stainless steel vertical multi-stage pump in the prior art is usually difficult to quickly disassemble and assemble from the pump body shell, when the multi-stage pump needs to be disassembled for maintenance, it is not convenient to quickly remove the noise reduction structure from the pump body shell.

[0004] The technical solution of the utility model is: a low-noise stainless steel vertical multi-stage pump, comprising a pump body assembly; further comprising a first noise reduction assembly, a locking assembly, a second noise reduction assembly and a disassembly assembly; the external activity of the pump body assembly is provided with a first noise reduction assembly for sound insulation; a locking assembly for locking is provided on the first noise reduction assembly; a second noise reduction assembly for sound insulation of the upper part of the pump body assembly is provided on the first noise reduction assembly; and a disassembly assembly for quickly fixing the first noise reduction assembly on the pump body assembly is provided on the pump body assembly.

[0005] Preferably, when in use, the first noise reduction component is installed on the disassembly and assembly component, and the first noise reduction component can surround the outside of the pump body assembly to achieve sound insulation and noise reduction. The height of the first noise reduction component is designed according to the situation and can be higher than the height of the pump body assembly. After the first noise reduction component is installed on the disassembly and assembly component, the first noise reduction component is locked by using the locking component, and then the second noise reduction component is placed on the pump body assembly, and the second noise reduction component is used to soundproof and reduce the noise of the upper part of the pump body assembly, which solves the problem that the noise reduction structure of the stainless steel vertical multi-stage pump in the prior art is usually difficult to quickly disassemble and assemble from the pump body casing, and when the multi-stage pump needs to be disassembled and maintained, it is inconvenient to quickly remove the noise reduction structure from the pump body casing.

[0006] Preferably, the pump body assembly includes a vertical multi-stage pump body, a bearing block and a limit column; a symmetrical bearing block is fixedly connected to the outer wall of the outer shell of the vertical multi-stage pump body; the upper end of the bearing block is fixedly connected to the limit column, and the bearing block is used to carry the second noise reduction component, so as to facilitate the rapid installation and placement of the second noise reduction component.

[0007] Preferably, the first noise reduction component includes a sound insulation board, a connecting block, a positioning block, a groove, a sound-absorbing cotton block, a first trough body, a handle and a U-shaped tube; two sound insulation boards are movably arranged on the outside of the vertical multistage pump body; the sound insulation board is in a "U" shape; the two sound insulation boards are arranged facing each other; the two sound insulation boards form a frame structure; a connecting block is fixedly connected to one end of the sound insulation board close to the vertical multistage pump body; a positioning block is fixedly connected to one end of the connecting block close to the vertical multistage pump body; a groove is fixedly provided on the upper end of the positioning block; a sound-absorbing cotton block is fixedly connected to the lower part of one end of the sound insulation board close to the vertical multistage pump body; the sound-absorbing cotton block is close to the vertical multistage pump body. One end of the vertical multistage pump body is fitted with the outer wall of the base of the vertical multistage pump body; the left and right ends of the sound insulation board are penetrated by a first groove body; the first groove body is semi-cylindrical; a handle is fixedly connected to one end of the sound insulation board away from the vertical multistage pump body; a U-shaped tube is fixedly connected to the handle. When in use, the positioning block is fixed in the disassembly and assembly component, so that the two sound insulation boards surround the outside of the vertical multistage pump body, the two first groove bodies form a cylindrical shape and are aligned with the water inlet and outlet ports of the vertical multistage pump body, and the sound insulation board and the sound-absorbing cotton block can form sound insulation for the vertical multistage pump body, thereby improving the noise reduction ability of the vertical multistage pump body.

[0008] Preferably, the locking assembly includes a first sound insulation block and a locking ring; the first sound insulation blocks are fixedly connected to the left and right ends of the sound insulation board; the first sound insulation block is in a semi-circular cylindrical structure; the inner wall of the first sound insulation block and the inner wall of the first groove body are in the same plane; the locking ring is threadedly installed on the outer walls of the two first sound insulation blocks. When in use, the external pipe is passed through the first sound insulation block and the first groove body and then placed into the water inlet or outlet of the vertical multi-stage pump body. The first sound insulation block can improve the protection of the external pipe and also has a certain ability to soundproof and reduce noise. The locking ring is threadedly installed on the outer walls of the two first sound insulation blocks to improve the stability of the two sound insulation boards after installation.

[0009] Preferably, the second noise reduction component includes a second sound insulation block, a limiting hole and a wire hole; the second sound insulation block is movably arranged on the upper ends of the two supporting blocks; symmetrical limiting holes are provided at the upper and lower ends of the second sound insulation block; the inner wall of the limiting hole fits with the outer wall of the limiting column; symmetrical wire holes are provided at the upper and lower ends of the second sound insulation block; the outer wall of the second sound insulation block fits with the upper inner wall of the frame structure formed by the two sound insulation boards, and the lower end of the second sound insulation block is placed on the upper ends of the two supporting blocks. At this time, the inner wall of the second sound insulation block fits with the outer wall of the upper part of the outer shell of the vertical multi-stage pump body, and at the same time, the outer wall of the second sound insulation block fits with the upper inner wall of the frame structure formed by the two sound insulation boards, which can improve the sound insulation and noise reduction effect of the vertical multi-stage pump body.

[0010] Preferably, the disassembly and assembly components include a fixed block, a second slot body, a third slot body, a fixed cylinder, a through hole, a spring, a movable column, an extrusion column and a rope; a symmetrical fixed block is fixedly connected to the outer wall of the vertical multi-stage pump body; a second slot body is fixedly opened at one end of the fixed block away from the center of the vertical multi-stage pump body; a third slot body is penetrated through the upper end of the fixed block; a fixed cylinder is fixedly connected to the upper end of the fixed cylinder; a through hole is penetrated through the upper end of the fixed cylinder; a spring is fixedly connected to the inner wall of the upper end of the fixed cylinder; a extrusion column is fixedly connected to the lower end of the spring; a movable column is fixedly connected to the upper end of the extrusion column; the outer wall of the movable column fits the inner wall of the through hole ; A wire rope is fixedly connected to the upper end of the movable column; the inner wall of the second groove body is fitted with the outer wall of the positioning block; the outer wall of the lower end of the extrusion column is adapted to the inner wall of the groove. When the first noise reduction component needs to be fixed on the disassembly and assembly component, the wire rope is first manually pulled upward to move the movable column upward, so that the extrusion column enters the interior of the fixed cylinder and the positioning block is placed on the inner wall of the second groove body. After releasing the hand, the elastic force of the spring squeezes the extrusion column to the inner wall of the groove, thereby fixing the positioning block inside the fixed block, making it convenient for the first noise reduction component to be quickly installed on the disassembly and assembly component, and at the same time, it is convenient for the first noise reduction component to be disassembled from the disassembly and assembly component.

[0011] Preferably, the outer diameter of the extrusion column is equal to the inner diameter of the third groove body; the outer diameter of the extrusion column is equal to the inner diameter of the fixed tube, and the extrusion column can be moved to the inside of the fixed tube through the third groove body, thereby facilitating the positioning block to enter the second groove body.

[0012] Beneficial effects of the utility model:

[0013] 1. By placing the positioning block in the disassembly assembly and fixing it, the two sound insulation boards are surrounded by the outside of the vertical multistage pump body, the two first slots form a cylindrical shape and are aligned with the inlet and outlet ports of the vertical multistage pump body, the sound insulation board and the sound-absorbing cotton block can form sound insulation for the vertical multistage pump body, thereby improving the noise reduction ability of the vertical multistage pump body. When the first noise reduction assembly needs to be fixed on the disassembly assembly, the rope is first manually pulled upward to move the movable column upward, so that the extrusion column enters the interior of the fixed cylinder, and the positioning block is placed on the inner wall of the second slot. After releasing the hand, the elastic force of the spring squeezes the extrusion column on the inner wall of the groove, so that the positioning block is fixed inside the fixed block, which is convenient for the first noise reduction assembly to be quickly installed on the disassembly assembly, and at the same time, it is convenient for the first noise reduction assembly to be disassembled from the disassembly assembly, thereby solving the problem that the noise reduction structure of the stainless steel vertical multistage pump in the prior art is usually difficult to be quickly disassembled from the pump body shell, and when the multistage pump needs to be disassembled for maintenance, it is inconvenient to quickly remove the noise reduction structure from the pump body shell;

[0014] 2. When in use, the external pipe is passed through the first sound insulation block and the first trough body and then placed into the water inlet or outlet of the vertical multi-stage pump body. The first sound insulation block can improve the protection of the external pipe and also has a certain ability of sound insulation and noise reduction. The locking ring is threadedly installed on the outer wall of the two first sound insulation blocks, which can improve the stability of the two sound insulation boards after installation;

[0015] 3. Place the lower end of the second sound insulation block on the upper ends of the two supporting blocks. At this time, the inner wall of the second sound insulation block fits with the outer wall of the upper part of the outer shell of the vertical multi-stage pump body. At the same time, the outer wall of the second sound insulation block fits with the upper inner wall of the frame structure surrounded by the two sound insulation boards, which can improve the sound insulation and noise reduction effect of the vertical multi-stage pump body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a three-dimensional structural schematic diagram of a low-noise stainless steel vertical multi-stage pump of the utility model;

[0017] Figure 2 Shown is a three-dimensional structural schematic diagram of a pump body component and a second noise reduction component of a low-noise stainless steel vertical multi-stage pump of the utility model;

[0018] Figure 3 What is shown is a three-dimensional structural schematic diagram of a low-noise stainless steel vertical multi-stage pump of the utility model;

[0019] Figure 4 What is shown is a three-dimensional structural schematic diagram of a locking ring of a low-noise stainless steel vertical multi-stage pump of the utility model;

[0020] Figure 5 What is shown is a three-dimensional structural schematic diagram of the disassembly and assembly components of a low-noise stainless steel vertical multi-stage pump of the utility model;

[0021] Figure 6 Shown is a schematic diagram of the lower end three-dimensional structure of a vertical multi-stage pump body of a low-noise stainless steel vertical multi-stage pump of the utility model.

[0022] The marks in the accompanying drawings are: 1-pump body assembly, 101-vertical multi-stage pump body, 102-bearing block, 103-limiting column, 2-first noise reduction assembly, 201-sound insulation board, 202-connecting block, 203-positioning block, 204-groove, 205-sound-absorbing cotton block, 206-first trough body, 207-handle, 208-U-shaped tube, 3-locking assembly, 301-first sound insulation block, 302-locking ring, 4-second noise reduction assembly, 401-second sound insulation block, 402-limiting hole, 403-wire hole, 5-disassembly and assembly assembly, 501-fixed block, 502-second trough body, 503-third trough body, 504-fixed cylinder, 505-through hole, 506-spring, 507-movable column, 508-extrusion column, 509-rope. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] See also Figure 1 and 6 The utility model provides an embodiment: a low-noise stainless steel vertical multi-stage pump, comprising a pump body assembly 1; further comprising a first noise reduction assembly 2, a locking assembly 3, a second noise reduction assembly 4 and a disassembly assembly 5; the external activity of the pump body assembly 1 is provided with a first noise reduction assembly 2 for sound insulation; the first noise reduction assembly 2 is provided with a locking assembly 3 for locking; the first noise reduction assembly 2 is provided with a second noise reduction assembly 4 for sound insulation of the upper part of the pump body assembly 1; the pump body assembly 1 is provided with a disassembly assembly 5 for quickly fixing the first noise reduction assembly 2 on the pump body assembly 1.

[0025] See also Figure 2 In this embodiment, the pump body assembly 1 includes a vertical multistage pump body 101, a bearing block 102 and a limiting column 103; a symmetrical bearing block 102 is fixedly connected to the outer wall of the outer shell of the vertical multistage pump body 101; the upper end of the bearing block 102 is fixedly connected to the limiting column 103; the second noise reduction assembly 4 includes a second sound insulation block 401, a limiting hole 402 and a wire hole 403; the upper ends of the two bearing blocks 102 are movably provided with a second sound insulation block 401; symmetrical limiting holes 402 are opened through the upper and lower ends of the second sound insulation block 401; the inner wall of the limiting hole 402 is fitted with the outer wall of the limiting column 103; symmetrical wire holes 403 are opened through the upper and lower ends of the second sound insulation block 401; the outer wall of the second sound insulation block 401 is fitted with the inner wall of the upper end of the frame structure surrounded by the two sound insulation boards 201.

[0026] See also Figure 3 and 4In this embodiment, the first noise reduction component 2 includes a sound insulation board 201, a connecting block 202, a positioning block 203, a groove 204, a sound absorbing cotton block 205, a first slot 206, a handle 207 and a U-shaped tube 208; two sound insulation boards 201 are movably arranged outside the vertical multistage pump body 101; the sound insulation board 201 is in a "U" shape; the two sound insulation boards 201 are arranged facing each other; the two sound insulation boards 201 form a frame structure; the end of the sound insulation board 201 close to the vertical multistage pump body 101 is fixedly connected with a connecting block 202; the end of the connecting block 202 close to the vertical multistage pump body 101 is fixedly connected with a positioning block 203; the upper end of the positioning block 203 is fixedly provided with a groove 204; the lower part of the end of the sound insulation board 201 close to the vertical multistage pump body 101 is fixedly connected with Sound-absorbing cotton block 205; one end of the sound-absorbing cotton block 205 close to the vertical multistage pump body 101 is in contact with the outer wall of the base of the vertical multistage pump body 101; the left and right ends of the sound insulation board 201 are penetrated by a first slot body 206; the first slot body 206 is semi-cylindrical; the end of the sound insulation board 201 away from the vertical multistage pump body 101 is fixedly connected with a handle 207; the handle 207 is fixedly connected with a U-shaped tube 208; the locking assembly 3 includes a first sound insulation block 301 and a locking ring 302; the left and right ends of the sound insulation board 201 are fixedly connected with the first sound insulation block 301; the first sound insulation block 301 is in a semi-circular cylindrical structure; the inner wall of the first sound insulation block 301 and the inner wall of the first slot body 206 are in the same plane; the locking ring 302 is threadedly installed on the outer walls of the two first sound insulation blocks 301.

[0027] See also Figure 5 In this embodiment, the disassembly assembly 5 includes a fixed block 501, a second slot 502, a third slot 503, a fixed cylinder 504, a through hole 505, a spring 506, a movable column 507, an extrusion column 508 and a wire rope 509; the outer wall of the vertical multistage pump body 101 is fixedly connected with a symmetrical fixed block 501; the end of the fixed block 501 away from the center of the vertical multistage pump body 101 is fixedly opened with a second slot 502; the upper end of the fixed block 501 is penetrated with a third slot 503; the upper end of the fixed block 501 is fixedly connected with a fixed cylinder 504; the upper end of the fixed cylinder 504 is penetrated with a There is a through hole 505; a spring 506 is fixedly connected to the inner wall of the upper end of the fixed cylinder 504; an extrusion column 508 is fixedly connected to the lower end of the spring 506; a movable column 507 is fixedly connected to the upper end of the extrusion column 508; the outer wall of the movable column 507 is fitted with the inner wall of the through hole 505; a wire rope 509 is fixedly connected to the upper end of the movable column 507; the inner wall of the second slot body 502 is fitted with the outer wall of the positioning block 203; the outer wall of the lower end of the extrusion column 508 is adapted to the inner wall of the groove 204; the outer diameter of the extrusion column 508 is equal to the inner diameter of the third slot body 503; the outer diameter of the extrusion column 508 is equal to the inner diameter of the fixed cylinder 504.

[0028] When working, first manually pull the wire rope 509 upward to move the movable column 507 upward, so that the squeezing column 508 enters the interior of the fixed cylinder 504, and the positioning block 203 is placed in the inner wall of the second groove 502. After releasing the hand, the elastic force of the spring 506 squeezes the squeezing column 508 on the inner wall of the groove 204, so that the positioning block 203 is fixed inside the fixed block 501;

[0029] At this time, the two sound insulation boards 201 are fitted together to form a closed frame structure, and the locking ring 302 is threadedly installed on the outer wall of the two first sound insulation blocks 301, which can improve the stability of the two sound insulation boards 201 after installation. When in use, the external pipe passes through the first sound insulation block 301 and the first slot 206 and then is placed in the water inlet or outlet of the vertical multi-stage pump body 101. The first sound insulation block 301 can improve the protection of the external pipe and also has a certain ability of sound insulation and noise reduction;

[0030] First, pull the wire rope 509 through the wire hole 403, and then place the lower end of the second sound insulation block 401 on the upper ends of the two supporting blocks 102. At this time, the inner wall of the second sound insulation block 401 fits with the outer wall of the upper part of the outer shell of the vertical multi-stage pump body 101, and at the same time, the outer wall of the second sound insulation block 401 fits with the inner wall of the upper end of the frame structure surrounded by the two sound insulation boards 201, which can improve the sound insulation and noise reduction effect of the vertical multi-stage pump body 101.

[0031] Through the above steps, when in use, the first noise reduction component 2 is installed on the disassembly and assembly component 5, and the first noise reduction component 2 can surround the outside of the pump body component 1 to achieve sound insulation and noise reduction. The height of the first noise reduction component 2 is designed according to the situation and can be higher than the height of the pump body component 1. After the first noise reduction component 2 is installed on the disassembly and assembly component 5, the first noise reduction component 2 is locked by the locking component 3, and then the second noise reduction component 4 is placed on the pump body component 1, and the second noise reduction component 4 is used to soundproof and reduce the noise of the upper part of the pump body component 1, which solves the problem that the noise reduction structure of the stainless steel vertical multi-stage pump in the prior art is usually difficult to quickly disassemble and assemble from the pump body casing, and when the multi-stage pump needs to be disassembled and maintained, it is inconvenient to quickly remove the noise reduction structure from the pump body casing.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A low-noise stainless steel vertical multistage pump, comprising a pump body assembly (1); characterized in that: The invention also comprises a first noise reduction component (2), a locking component (3), a second noise reduction component (4) and a disassembly component (5); the first noise reduction component (2) for sound insulation is arranged on the outer part of the pump body component (1); the first noise reduction component (2) is provided with a locking component (3) for locking; the first noise reduction component (2) is provided with a second noise reduction component (4) for sound insulation of the upper part of the pump body component (1); and the pump body component (1) is provided with a disassembly component (5) for quickly fixing the first noise reduction component (2) on the pump body component (1).

2. A low-noise stainless steel vertical multistage pump according to claim 1, characterized in that: The pump body assembly (1) comprises a vertical multi-stage pump body (101), a bearing block (102) and a limiting column (103); a symmetrical bearing block (102) is fixedly connected to the outer wall of the shell of the vertical multi-stage pump body (101); and the upper end of the bearing block (102) is fixedly connected to the limiting column (103).

3. A low-noise stainless steel vertical multistage pump according to claim 2, characterized in that: The first noise reduction component (2) comprises a sound insulation board (201), a connection block (202), a positioning block (203), a groove (204), a sound absorbing cotton block (205), a first groove body (206), a handle (207) and a U-shaped tube (208); two sound insulation boards (201) are movably arranged outside the vertical multi-stage pump body (101); the sound insulation boards (201) are in a "U" shape; the two sound insulation boards (201) are arranged facing each other; the two sound insulation boards (201) form a frame structure; one end of the sound insulation board (201) close to the vertical multi-stage pump body (101) is fixedly connected to the connection block (202); A positioning block (203) is fixedly connected to one end of the connection block (202) close to the vertical multistage pump body (101); a groove (204) is fixedly provided at the upper end of the positioning block (203); a sound-absorbing cotton block (205) is fixedly connected to the lower part of one end of the sound insulation board (201) close to the vertical multistage pump body (101); one end of the sound-absorbing cotton block (205) close to the vertical multistage pump body (101) is in contact with the outer wall of the base of the vertical multistage pump body (101); a first groove body (206) is provided through the left and right ends of the sound insulation board (201); the first groove body (206) is semi-cylindrical; a handle (207) is fixedly connected to one end of the sound insulation board (201) away from the vertical multistage pump body (101); and a U-shaped tube (208) is fixedly connected to the handle (207).

4. A low-noise stainless steel vertical multistage pump according to claim 3, characterized in that: The locking assembly (3) comprises a first sound insulation block (301) and a locking ring (302); the first sound insulation blocks (301) are fixedly connected to the left and right ends of the sound insulation board (201); the first sound insulation block (301) is in a semi-circular cylindrical structure; the inner wall of the first sound insulation block (301) and the inner wall of the first groove body (206) are in the same plane; the locking ring (302) is threadedly mounted on the outer walls of the two first sound insulation blocks (301).

5. A low-noise stainless steel vertical multistage pump according to claim 3, characterized in that: The second noise reduction component (4) comprises a second sound insulation block (401), a limiting hole (402) and a wire hole (403); the second sound insulation block (401) is movably provided at the upper ends of the two bearing blocks (102); symmetrical limiting holes (402) are provided through the upper and lower ends of the second sound insulation block (401); the inner wall of the limiting hole (402) is fitted with the outer wall of the limiting column (103); symmetrical wire holes (403) are provided through the upper and lower ends of the second sound insulation block (401); the outer wall of the second sound insulation block (401) is fitted with the inner wall of the upper end of the frame structure surrounded by the two sound insulation boards (201).

6. A low-noise stainless steel vertical multistage pump according to claim 3, characterized in that: The disassembly assembly (5) comprises a fixed block (501), a second groove body (502), a third groove body (503), a fixed cylinder (504), a through hole (505), a spring (506), a movable column (507), an extrusion column (508) and a wire rope (509); a symmetrical fixed block (501) is fixedly connected to the outer wall of the vertical multistage pump body (101); a second groove body (502) is fixedly opened at one end of the fixed block (501) away from the center of the vertical multistage pump body (101); a third groove body (503) is penetrated through the upper end of the fixed block (501); a fixed The fixed cylinder (504) is provided with a through hole (505) at the upper end of the fixed cylinder (504); a spring (506) is fixedly connected to the inner wall of the upper end of the fixed cylinder (504); an extrusion column (508) is fixedly connected to the lower end of the spring (506); a movable column (507) is fixedly connected to the upper end of the extrusion column (508); the outer wall of the movable column (507) is fitted with the inner wall of the through hole (505); a wire rope (509) is fixedly connected to the upper end of the movable column (507); the inner wall of the second groove body (502) is fitted with the outer wall of the positioning block (203); and the outer wall of the lower end of the extrusion column (508) is matched with the inner wall of the groove (204).

7. A low-noise stainless steel vertical multistage pump according to claim 6, characterized in that: The outer diameter of the extrusion column (508) is equal to the inner diameter of the third groove body (503); the outer diameter of the extrusion column (508) is equal to the inner diameter of the fixing tube (504).

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