Portable large-suction centrifugal pump

Abstract

The utility model provides a portable large-suction centrifugal pump, which relates to the technical field of centrifugal pumps and comprises a centrifugal pump component, a silencing component is arranged on the outer side of the centrifugal pump component, a moving component is arranged at the bottom of the centrifugal pump component, the centrifugal pump component comprises an outer shell and a pump body, the pump body is arranged at one end of the outer shell, and the pump body is arranged in the outer shell. And an impeller is arranged on the inner side of the pump body. The thin silencing pipe and the thick silencing pipe are arranged on the outer side of the centrifugal pump assembly in a sleeving mode, the sound absorption boxes are distributed in the thin silencing pipe, the sound absorption holes are formed in the thin silencing pipe, the silencing rings are distributed in the thick silencing pipe, the silencing grooves are formed in the thick silencing pipe, and the silencing blocks are further arranged in the thick silencing pipe. The sound absorption box is arranged on the outer shell part, the sound absorption box is matched with the sound absorption holes to conveniently absorb and insulate noise generated by the outer shell part, the sound absorption grooves formed in the sound absorption rings can play a sound absorption role, meanwhile, the sound absorption blocks conduct sound attenuation treatment on the absorbed noise, the sound absorption, sound attenuation and noise reduction functions are effectively achieved, and the comfort in the using process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal pumps, in particular to a portable high-suction centrifugal pump. Background Art

[0002] Centrifugal pumps can transport liquids through the centrifugal force generated by the rotation of the blades. Centrifugal pumps are widely used in industries such as electricity, coal, and building materials.

[0003] In the prior art, for example, the Chinese patent number CN216842230U states that "a centrifugal pump" includes an impeller assembly, an isolator, and a motor assembly, wherein the motor assembly is located on one side of the isolator, and the impeller assembly is located on the other side of the isolator; the centrifugal pump also includes a bracket, and the motor assembly includes a motor housing, and along the height direction of the centrifugal pump, the bracket is at least partially located between the isolator and the motor housing; one side of the bracket is fixedly connected to the isolator, and the other side of the bracket is fixedly connected to the motor housing. The utility model has the following beneficial effects: the utility model is provided with a skeleton oil seal, which effectively prevents water in the water cup from leaking into the bracket body and causing a short circuit of the electrical components, and reasonably arranges the connection relationship between the impeller assembly, the isolator, and the motor assembly, so that the structure of the centrifugal pump is reasonably compact and the performance is more stable; further, an annular sealing gasket is provided to further improve the sealing performance.

[0004] However, the existing centrifugal pumps generate a lot of noise during operation because the internal motor and impeller rotate at high speed during use. This noise easily affects surrounding personnel and causes discomfort to them, thereby reducing the use effect of the centrifugal pump. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that the internal motor and the impeller rotate at high speed, which leads to loud noise during operation, and the noise easily affects the surrounding personnel, causing discomfort to the surrounding personnel, thereby causing the use effect of the centrifugal pump to decline, and a portable high-suction centrifugal pump is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a portable high-suction centrifugal pump, including a centrifugal pump assembly, a silencer assembly is arranged on the outside of the centrifugal pump assembly, a mobile assembly is arranged on the bottom of the centrifugal pump assembly, the centrifugal pump assembly includes an outer shell and a pump body, the pump body is arranged at one end of the outer shell, an impeller is arranged on the inside of the pump body, the silencer assembly includes a thin silencer pipe and a thick silencer pipe, a plurality of sound-absorbing boxes are evenly distributed on the inner side of the thin silencer pipe, a plurality of sound-absorbing holes are evenly penetrated on the surface of the sound-absorbing box, a plurality of silencer rings are evenly distributed on the inner side of the thick silencer pipe, a plurality of silencer grooves are evenly penetrated on the inner side of the silencer ring, and a silencer block is arranged inside the silencer ring.

[0007] Preferably, the moving assembly includes a placement plate, a bottom support mechanism is symmetrically arranged at the bottom of the placement plate, moving wheels are symmetrically arranged at the bottom of the bottom support mechanism, a handle is arranged at one end of the top of the placement plate, a base is symmetrically arranged at the bottom of the outer shell, a plurality of spring damping rods are arranged at the top of the placement plate, and the top of the spring damping rod is connected to the bottom of the base.

[0008] Preferably, a battery pack is disposed at the bottom of the placement plate, and an outer protective frame is disposed on the outer side of the battery pack.

[0009] Preferably, a guide column is provided on the top of the placement plate, a guide block is provided on the side of the base, and the guide column is slidably connected to the inner side of the guide block.

[0010] Preferably, a connecting piece is provided between the thin silencer pipe and the thick silencer pipe, a fastener is provided on the outer side of the thin silencer pipe and the thick silencer pipe, and a fastener sleeve is provided on the outer side of the fastener.

[0011] Preferably, a pump shaft is arranged inside the outer shell, an organic sealing ring is arranged on the outer wall of the pump shaft, and the organic sealing ring is arranged inside the outer shell.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, a thin silencer pipe and a thick silencer pipe are sleeved on the outside of a centrifugal pump assembly, a sound-absorbing box is distributed inside the thin silencer pipe and a sound-absorbing hole is opened, a sound-absorbing ring is distributed inside the thick silencer pipe and a sound-absorbing groove is opened, and a plurality of sound-absorbing blocks are also arranged inside, thereby facilitating the sound absorption and sound insulation of the noise generated by the outer shell part through the sound-absorbing box in conjunction with the sound-absorbing hole, the sound-absorbing groove opened on the sound-absorbing ring can provide a sound-absorbing effect, and at the same time the sound-absorbing block silences the inhaled noise, thereby effectively realizing the function of sound absorption, silencing and noise reduction, and improving the comfort during use.

[0014] 2. In the utility model, the placement plate provides installation support for the centrifugal pump assembly, and the bottom support mechanism and the moving wheels facilitate the portable movement of the centrifugal pump assembly. At the same time, the handle can provide an armrest for manual movement, further improving the portability. The base can provide a stable support and installation for the centrifugal pump assembly. The spring damping rod can provide a buffering and shock-absorbing function during the movement of the centrifugal pump assembly. The guide column and the guide block provide a guiding effect during shock absorption, effectively avoiding deviation, ensuring stability, and thereby improving the effect of shock-absorbing protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural diagram of a portable high-suction centrifugal pump is proposed for the utility model;

[0016] Figure 2 Another structural schematic diagram of a portable high-suction centrifugal pump proposed by the utility model;

[0017] Figure 3 The utility model provides a schematic diagram of the internal cross-sectional structure of a portable high-suction centrifugal pump;

[0018] Figure 4 The utility model provides a schematic structural diagram of a silencer component of a portable high-suction centrifugal pump.

[0019] Legend: 1. Centrifugal pump assembly; 101. Outer shell; 102. Pump shaft; 103. Mechanical seal ring; 104. Pump body; 105. Impeller; 106. Base; 2. Silencer assembly; 201. Thin silencer pipe; 202. Connector; 203. Coarse silencer pipe; 204. Sound-absorbing box; 205. Sound-absorbing hole; 206. Silencer ring; 207. Silencer groove; 208. Silencer block; 209. Fastener; 210. Fastener sleeve; 3. Moving assembly; 301. Placement plate; 302. Bottom support mechanism; 303. Moving wheel; 304. Handle; 305. Battery pack; 306. Outer frame; 307. Spring damping rod; 308. Guide column; 309. Guide block. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Example 1

[0023] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a portable high-suction centrifugal pump, including a centrifugal pump assembly 1, a muffler assembly 2 is arranged on the outside of the centrifugal pump assembly 1, a moving assembly 3 is arranged at the bottom of the centrifugal pump assembly 1, the centrifugal pump assembly 1 includes an outer shell 101 and a pump body 104, the pump body 104 is arranged at one end of the outer shell 101, an impeller 105 is arranged on the inner side of the pump body 104, the muffler assembly 2 includes a thin muffler pipe 201 and a thick muffler pipe 203, a plurality of sound-absorbing boxes 204 are evenly distributed on the inner side of the thin muffler pipe 201, and a plurality of sound-absorbing holes 204 are evenly opened on the surface of the sound-absorbing box 204 5. A plurality of silencer rings 206 are evenly distributed on the inner side of the thick silencer pipe 203, a plurality of silencer grooves 207 are evenly penetrated on the inner side of the silencer ring 206, a silencer block 208 is arranged inside the silencer ring 206, a connecting piece 202 is arranged between the thin silencer pipe 201 and the thick silencer pipe 203, a snap-fit ​​piece 209 is arranged on the outer side of the thin silencer pipe 201 and the thick silencer pipe 203, a snap-fit ​​piece 209 is sleeved on the outer side of the snap-fit ​​piece 209, a pump shaft 102 is arranged inside the outer shell 101, an organic seal ring 103 is arranged on the outer wall of the pump shaft 102, and the organic seal ring 103 is arranged inside the outer shell 101.

[0024] In this embodiment, the outer shell 101 and the pump body 104 cooperate with the motor to drive the impeller 105 to rotate, thereby achieving a stable transmission effect and providing a pump operation function. The thin silencer 201 and the thick silencer 203 are sleeved on the outside of the centrifugal pump assembly 1. The thin silencer 201 has a sound-absorbing box 204 and a sound-absorbing hole 205. The thick silencer 203 has a sound-absorbing ring 206 and a sound-absorbing groove 207. A plurality of silencer blocks 208 are also arranged inside, which facilitates the sound absorption and sound insulation of the noise generated by the outer shell 101 through the sound-absorbing box 204 and the sound-absorbing hole 205. The silencer groove 207 on the sound ring 206 can provide sound absorption, while the silencer block 208 silences the inhaled noise, thereby effectively realizing the functions of sound absorption, noise reduction and noise reduction, and improving the comfort during use. The connector 202 facilitates the connection and installation between the thin silencer tube 201 and the thick silencer tube 203. The snap-fit ​​part 209 can provide the splicing between the two groups of thin silencer tubes 201 and the thick silencer tube 203, and then the locking function is realized through the snap-fit ​​sleeve 210. The pump shaft 102 provides the driving transmission function, and the mechanical seal ring 103 facilitates the provision of an effective sealing effect, thereby ensuring a stable operation.

[0025] Example 2

[0026] like Figure 1-Figure 4As shown, the moving component 3 includes a placement plate 301, a bottom support mechanism 302 is symmetrically arranged at the bottom of the placement plate 301, a moving wheel 303 is symmetrically arranged at the bottom of the bottom support mechanism 302, a handle 304 is arranged at one end of the top of the placement plate 301, a base 106 is symmetrically arranged at the bottom of the outer shell 101, a plurality of spring damping rods 307 are arranged at the top of the placement plate 301, the top of the spring damping rod 307 is connected to the bottom of the base 106, a battery pack 305 is arranged at the bottom of the placement plate 301, an outer protective frame 306 is arranged on the outside of the battery pack 305, a guide column 308 is arranged at the top of the placement plate 301, a guide block 309 is arranged on the side of the base 106, and the guide column 308 is slidably connected to the inner side of the guide block 309.

[0027] In this embodiment, the placement plate 301 provides installation support for the centrifugal pump assembly 1, and cooperates with the bottom support mechanism 302 and the moving wheel 303 to facilitate the portable movement of the centrifugal pump assembly 1. At the same time, the handle 304 can provide an armrest for manual movement, further improving the portability. The base 106 can provide a stable support and installation function for the centrifugal pump assembly 1. The spring damping rod 307 can provide a buffering and shock-absorbing function during the movement of the centrifugal pump assembly 1. The guide column 308 cooperates with the guide block 309 to provide a guiding effect during shock absorption, effectively avoiding deviation, ensuring stability, and thereby improving the shock-absorbing protection effect. The battery pack 305 can provide power supply for the centrifugal pump assembly 1, and the outer protective frame 306 provides a certain protection effect for the battery pack 305, thereby extending the service life.

[0028] The working principle of this embodiment is as follows: when in use, first, the outer shell 101 and the pump body 104 cooperate with the motor to drive the impeller 105 to rotate, the pump shaft 102 provides the function of driving transmission, and the mechanical seal ring 103 facilitates the provision of an effective sealing effect, thereby achieving a stable transmission effect and providing a pump machine operation function. The thin silencer 201 and the thick silencer 203 are sleeved on the outside of the centrifugal pump assembly 1, and the thin silencer 201 has a sound-absorbing box 204 and a sound-absorbing hole 205, and the thick silencer 203 has a sound-absorbing ring 206 and a sound-absorbing groove 207, and a plurality of silencer blocks 208 are also arranged inside, thereby facilitating the sound absorption produced by the sound-absorbing box 204 and the sound-absorbing hole 205 on the outer shell 101. Noise is absorbed and insulated, the silencer groove 207 on the silencer ring 206 can provide sound absorption, and the silencer block 208 silences the inhaled noise, thereby effectively realizing the functions of sound absorption, silence and noise reduction, the placement plate 301 provides installation support for the centrifugal pump assembly 1, and the bottom support mechanism 302 and the moving wheel 303 at the bottom facilitate the portable movement of the centrifugal pump assembly 1, and the handle 304 can provide an armrest for manual movement, further improving the portability, the spring damping rod 307 can provide buffering and shock absorption during the movement of the centrifugal pump assembly 1, and the guide column 308 cooperates with the guide block 309 to provide a guiding effect during shock absorption, thereby improving the effect of shock absorption protection.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A portable high-suction centrifugal pump, comprising a centrifugal pump assembly (1), characterized in that: A silencer assembly (2) is arranged on the outside of the centrifugal pump assembly (1), a moving assembly (3) is arranged on the bottom of the centrifugal pump assembly (1), the centrifugal pump assembly (1) comprises an outer shell (101) and a pump body (104), the pump body (104) is arranged at one end of the outer shell (101), an impeller (105) is arranged on the inside of the pump body (104), the silencer assembly (2) comprises a thin silencer pipe (201) and a thick silencer pipe (202). 03), a plurality of sound absorbing boxes (204) are evenly distributed on the inner side of the thin sound absorbing tube (201), a plurality of sound absorbing holes (205) are evenly penetrated on the surface of the sound absorbing box (204), a plurality of sound absorbing rings (206) are evenly distributed on the inner side of the thick sound absorbing tube (203), a plurality of sound absorbing grooves (207) are evenly penetrated on the inner side of the sound absorbing ring (206), and a sound absorbing block (208) is arranged inside the sound absorbing ring (206).

2. The portable high-suction centrifugal pump according to claim 1, characterized in that: The moving assembly (3) comprises a placement plate (301), a bottom support mechanism (302) is symmetrically arranged at the bottom of the placement plate (301), a moving wheel (303) is symmetrically arranged at the bottom of the bottom support mechanism (302), a handle (304) is arranged at one end of the top of the placement plate (301), a base (106) is symmetrically arranged at the bottom of the outer shell (101), and a plurality of spring damping rods (307) are arranged at the top of the placement plate (301), and the top of the spring damping rod (307) is connected to the bottom of the base (106).

3. The portable high-suction centrifugal pump according to claim 2, characterized in that: A battery pack (305) is arranged at the bottom of the placement plate (301), and an outer protective frame (306) is arranged on the outer side of the battery pack (305).

4. The portable high-suction centrifugal pump according to claim 2, characterized in that: A guide column (308) is arranged on the top of the placement plate (301), a guide block (309) is arranged on the side of the base (106), and the guide column (308) is slidably connected to the inner side of the guide block (309).

5. The portable high-suction centrifugal pump according to claim 1, characterized in that: A connecting piece (202) is provided between the thin silencer pipe (201) and the thick silencer pipe (203), a buckle piece (209) is provided on the outside of the thin silencer pipe (201) and the thick silencer pipe (203), and a buckle sleeve (210) is sleeved on the outside of the buckle piece (209).

6. The portable high-suction centrifugal pump according to claim 1, characterized in that: A pump shaft (102) is arranged inside the outer shell (101), an organic sealing ring (103) is arranged on the outer wall of the pump shaft (102), and the organic sealing ring (103) is arranged inside the outer shell (101).

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