CN217002246U

CN217002246U - Vibration/noise reduction device of booster pump

Info

Publication number: CN217002246U
Application number: CN202220146219.2U
Authority: CN
Inventors: 王行飞
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-07-19
Anticipated expiration: 2032-01-17

Abstract

The utility model relates to a vibration and noise reduction device of a booster pump, wherein a shell comprises a base with a first cavity and a cover casing with a second cavity, the first cavity and the second cavity are respectively provided with an opening at the adjacent end part, the first cavity and the second cavity are butted at the opening, so as to form an installation space for accommodating the booster pump, a noise reduction structure is arranged in the second cavity of the cover casing, sound transmission holes are sequentially arranged in the noise reduction structure along the axial direction of the cover casing, so that the noise can be effectively dredged, because the projections of the two adjacent sound transmission holes on the same cross section of the cover casing are not overlapped, the noise sound wave of the booster pump can not be emitted in a scattered manner in the process of being transmitted outwards, but can form a plurality of turning angles in the second cavity under the action of the sound transmission holes, so that the energy of the sound wave is consumed in the noise reduction structure, thereby realizing the purpose of noise reduction.

Description

Vibration/noise reduction device of booster pump

Technical Field

The utility model relates to the field of water purifiers, and particularly belongs to a damping and noise-reducing device of a booster pump.

Background

The daily drinking tap water can reach the national sanitary standard through various cleaning, sterilizing and disinfecting means and water quality detection after leaving a factory, but before entering a home, the tap water needs to pass through a pipeline and a secondary pressurized water tank, and the pipeline and rust in the secondary pressurized water tank and the like cause secondary pollution to the water quality. The water purifier is a device for filtering impurities and microorganisms in water in a multi-stage filtering mode, and gradually enters thousands of households along with the improvement of the living standard of people.

When the household water purifier is installed, the water inlet pressure needs to be measured, and if the water inlet pressure is too high (greater than 0.3MPa), a pressure reducing valve needs to be installed firstly, so that the normal work of the water purifier can be ensured; on the contrary, if the water inlet pressure is too small (less than 0.1MPa), the water purifier needs to be pressurized by using a booster pump. The booster pump can be used for creating a stable environment for normal work of the filtering component to further ensure the flow rate of purified water, but the booster pump has the problem of high noise, and the noise is often reduced with higher cost, for example, in the structure of the Chinese invention patent CN201920653816.2, namely 'a booster pump vibration reduction and noise reduction device', the booster pump is arranged in an upper bracket and a lower bracket of the booster pump, the upper bracket of the booster pump and the lower bracket of the booster pump are matched to clamp the booster pump, the stud is sleeved with the rubber gasket and penetrates through the upper part of the upper bracket of the booster pump, the spring is sleeved on the stud from the lower part of the lower bracket of the booster pump, the locknut is sleeved with the upper nut gasket and is matched with the stud from the lower part of the lower bracket of the booster pump, and the elastic buffer effect of the spring is utilized to reduce the resonance of the contact component of the booster pump caused by the vibration of the booster pump, so as to achieve the vibration reduction and noise reduction effects.

Although similar vibration and noise reduction devices in the market can reduce the noise of the booster pump (the lowest decibel can reach 40dB), the booster pump is arranged in the cabinet to easily cause the cabinet or the water pipe to vibrate, the noise actually felt by an end user is still high, and the user experience is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a damping and noise reducing device of a booster pump, which effectively reduces the vibration transmission of a wire harness and a water pipe, aiming at the current situation of the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a vibration/noise reduction device of a booster pump includes:

the shell comprises a base with a first chamber and a cover with a second chamber, wherein the first chamber and the second chamber are respectively opened at adjacent ends, and are butted at the openings, so that an installation space for accommodating the booster pump is formed;

the noise reduction structure is arranged in the second cavity and far away from the opening of the second cavity, and comprises at least two sound transmission holes which are sequentially arranged in the axial direction of the housing and are annular, and the projections of the two adjacent sound transmission holes on the same cross section of the housing are not overlapped.

The sound transmission holes may be in different design forms, and preferably, the noise reduction structure further includes at least two vibration-stopping plates sequentially arranged at intervals in the axial direction of the housing, and each sound transmission hole is opened in a corresponding vibration-stopping plate and is arranged in a staggered manner, so that the sound transmission hole in each vibration-stopping plate corresponds to the wall plate of the adjacent vibration-stopping plate.

In order to ensure that the sound transmission holes cover a sufficient guiding area, preferably the sound transmission holes are arranged coaxially.

Preferably, the vibration damping plate comprises a first plate body and a second plate body which are arranged inside and outside, wherein the periphery of the second plate body is connected to the inner wall of the housing, the interior of the second plate body is hollow to form a mounting opening, the first plate body is arranged at the mounting opening of the second plate body, and an interval is reserved between the outer edge of the first plate body and the inner edge of the opening in the circumferential direction to form the sound transmission hole.

Specifically, be provided with the bracing piece in the sound transmission hole, the edge at first plate body and second plate body is connected respectively at the both ends of bracing piece.

In order to ensure stable support, the support rods are preferably at least two and are arranged at intervals in the circumferential direction of the sound transmission holes.

Preferably, the outer edge of the first plate body and the inner edge of the mounting opening of the second plate body are provided with annular side plates extending towards the opening direction of the cover shell.

In order to reduce the transmission of noise, it is preferable that the side wall of the housing has a first connecting section at an upper end adjacent to the top wall, and the noise reducing structure is provided in the first connecting section.

Specifically, the housing further comprises a closing section and a second connecting section, the second chamber is arranged in an area defined by the second connecting section, the bottom of the second connecting section forms an opening of the second chamber, and the closing section is connected between the first connecting section and the second connecting section so as to enable a space to be reserved between the top of the booster pump and the noise reduction structure.

In order to further eliminate the noise sound wave, preferably, the aperture of the closing-in section gradually shrinks from the end adjacent to the second connecting section to the end adjacent to the first connecting section.

Compared with the prior art, the utility model has the advantages that: among this vibration/noise reduction device of booster pump, arrange the structure of making an uproar in the second cavity of housing, through falling the sound transmission hole that arranges in proper order along the housing axial in the structure of making an uproar, can play effectual dredging effect to the noise, because the projection of each two adjacent sound transmission holes at the same cross section of housing is not overlapped, therefore the noise sound wave of booster pump is at the in-process of outside transmission, can not send out of scattered radiation, but form the turn of a plurality of angles at the second cavity under the effect of sound transmission hole, so that the energy of sound wave is being consumed in the structure of making an uproar, thereby realize the purpose of making an uproar.

Drawings

FIG. 1 is a schematic view of the overall structure of a vibration/noise reduction apparatus according to an embodiment of the present invention;

FIG. 2 is a general schematic view of FIG. 1 with the cover omitted;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is an overall schematic view of a cover in an embodiment of the utility model;

fig. 5 is an enlarged view of fig. 4 from another angle.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 5, a preferred embodiment of the present invention. In this embodiment, the vibration/noise reduction apparatus of the booster pump includes a housing 100 and a noise reduction structure 3.

Wherein the housing 100 comprises a base 1 having a first chamber 101 and a cover 2 having a second chamber 102, the first chamber 101 and the second chamber 102 are open at adjacent ends, and the first chamber 101 and the second chamber 102 are butted at the open ends, thereby forming a mounting space 104 for accommodating the booster pump 103.

In this embodiment, noise reduction of the booster pump is implemented in two aspects, one of which is to add the noise reduction structure 3, the noise reduction structure 3 is disposed in the second chamber 102 and is far away from the opening of the second chamber 102, and includes at least two annular sound transmission holes 30 sequentially arranged in the axial direction of the housing 2, and projections of two adjacent sound transmission holes 30 on the same cross section of the housing 2 are not overlapped. Certainly, the sound transmission holes 30 may be formed by different structural designs, in this embodiment, the noise reduction structure 3 further includes at least two vibration-stopping plates 31 sequentially arranged at intervals in the axial direction of the housing 2, and each sound transmission hole 30 is opened on the corresponding vibration-stopping plate 31 and is arranged in a staggered manner, so that the sound transmission hole 30 on each vibration-stopping plate 31 corresponds to the wall plate of the adjacent vibration-stopping plate 31, and each sound transmission hole 30 is arranged coaxially. Specifically, the vibration damper 31 includes a first plate 311 and a second plate 312 arranged inside and outside, wherein the periphery of the second plate 312 is connected to the inner wall of the housing 2 and the inside is hollow to form a mounting opening, the first plate 311 is arranged at the mounting opening of the second plate 312, and a gap is left between the outer edge of the first plate 311 and the inner edge of the opening in the circumferential direction to form the sound transmission hole 30. In addition, a support rod 32 is disposed in the sound transmission hole 30, and both ends of the support rod 32 are respectively connected to the edges of the first plate 311 and the second plate 312. The support rods 32 in this embodiment are at least two and are spaced apart in the circumferential direction of the sound transmission holes 30.

In the present embodiment, the noise reduction on the other hand of the booster pump is by the outer arc design of the casing 2. Specifically, the side wall of the housing 2 has a first connecting section 2a at the upper end adjacent to the top wall, and the noise reducing structure 3 (each of the vibration damper plates 31) mentioned above is provided in the first connecting section 2 a. In addition, the housing 2 further includes a closed section 2b and a second connecting section 2c, the second chamber 102 is disposed in the area defined by the second connecting section 2c, the bottom of the second connecting section 2c forms an opening of the second chamber 102, and the closed section 2b is engaged between the first connecting section 2a and the second connecting section 2c to keep a space between the top of the booster pump 103 and the noise reduction structure 3. The bore of the closing-in section 2b in this embodiment gradually shrinks from the end adjacent to the second connecting section 2c to the end adjacent to the first connecting section 2 a. Due to the design of the closing section 2b, in the process of upward transmission of noise sound waves generated by the booster pump, the transmission direction is changed under the action of the closing section 2b, the noise sound waves are concentrated at the upper noise reduction structure 3, and most energy is consumed due to the blocking of the vibration stopping plate 31 of the noise reduction structure 3, so that overflowed sound waves are greatly reduced, and the purpose of noise reduction is achieved.

Meanwhile, in order to cooperate with the vibration damper 31 for damping vibration, the outer edge of the first plate 311 and the inner edge of the mounting opening of the second plate 312 are provided with annular side plates 33 extending toward the opening direction of the housing 2.

Also, directional terms, such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like, may be used in the description and claims to describe various example structural portions and elements of the utility model, but are used herein for convenience of description only and are determined based on the example orientations shown in the figures. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite or coincident with the direction of gravity.

Claims

1. A vibration/noise reduction device of a booster pump includes:

a housing (100) comprising a base (1) having a first chamber (101) and a casing (2) having a second chamber (102), the first chamber (101) and the second chamber (102) each being open at adjacent ends, and the first chamber (101) and the second chamber (102) being butted at the openings to form a mounting space (104) for accommodating a booster pump (103);

it is characterized by also comprising:

the noise reduction structure (3) is arranged in the second chamber (102) and far away from the opening of the second chamber (102), and comprises at least two sound transmission holes (30) which are sequentially arranged in the axial direction of the housing (2) and are annular, and the projections of the two adjacent sound transmission holes (30) on the same cross section of the housing (2) are not overlapped.

2. A vibration and noise reducing apparatus according to claim 1, wherein: the noise reduction structure (3) further comprises at least two vibration stopping plates (31) which are sequentially arranged in the axial direction of the housing (2) at intervals, and the sound transmission holes (30) are formed in the corresponding vibration stopping plates (31) and are arranged in a staggered mode, so that the sound transmission holes (30) in the vibration stopping plates (31) correspond to the wall plates of the adjacent vibration stopping plates (31).

3. A vibration and noise reducing apparatus according to claim 2, wherein: the sound transmission holes (30) are coaxially arranged.

4. A vibration/noise reduction apparatus according to claim 3, wherein: the shock-proof plate (31) comprises a first plate body (311) and a second plate body (312) which are arranged inside and outside, wherein the periphery of the second plate body (312) is connected to the inner wall of the housing (2), the interior of the second plate body is hollow to form a mounting opening, the first plate body (311) is arranged at the mounting opening of the second plate body (312), and an interval is reserved between the outer edge of the first plate body and the inner edge of the opening in the circumferential direction to form the sound transmission hole (30).

5. A vibration/noise reduction apparatus according to claim 4, wherein: the sound transmission hole (30) is internally provided with a support rod (32), and two ends of the support rod (32) are respectively connected to the edges of the first plate body (311) and the second plate body (312).

6. A vibration/noise reduction apparatus according to claim 5, wherein: the support rods (32) are at least two and are arranged at intervals in the circumferential direction of the sound transmission holes (30).

7. A vibration/noise reduction apparatus according to claim 6, wherein: the outer edge of the first plate body (311) and the inner edge of the mounting opening of the second plate body (312) are provided with annular side plates (33) extending towards the opening direction of the housing (2).

8. A vibration/noise reduction apparatus according to any of claims 1 to 7, wherein: the side wall of the housing (2) is provided with a first connecting section (2a) at the upper end adjacent to the top wall, and the noise reduction structure (3) is arranged in the first connecting section (2 a).

9. A vibration and noise reducing apparatus according to claim 8, wherein: the housing (2) further comprises a closed section (2b) and a second connecting section (2c), the second chamber (102) is arranged in the area defined by the second connecting section (2c), and the bottom of the second connecting section (2c) forms the opening of the second chamber (102), the closed section (2b) is connected between the first connecting section (2a) and the second connecting section (2c) so as to keep a space between the top of the booster pump (103) and the noise reduction structure (3).

10. A vibration and noise reducing apparatus according to claim 9, wherein: the caliber of the closing section (2b) gradually shrinks from one end adjacent to the second connecting section (2c) to one end adjacent to the first connecting section (2 a).