CN114635846B - Booster pump assembly for water purifier - Google Patents
Booster pump assembly for water purifier Download PDFInfo
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- CN114635846B CN114635846B CN202011481532.3A CN202011481532A CN114635846B CN 114635846 B CN114635846 B CN 114635846B CN 202011481532 A CN202011481532 A CN 202011481532A CN 114635846 B CN114635846 B CN 114635846B
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- booster pump
- pump
- booster
- water outlet
- water inlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 238000013016 damping Methods 0.000 claims description 26
- 230000035939 shock Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 15
- 238000010586 diagram Methods 0.000 description 5
- 238000001223 reverse osmosis Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
- F04B11/0091—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using a special shape of fluid pass, e.g. throttles, ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/001—Noise damping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/001—Noise damping
- F04B53/002—Noise damping by encapsulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/001—Noise damping
- F04B53/003—Noise damping by damping supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a booster pump assembly for a water purifier, which comprises a booster pump and a pump shell which is totally enclosed and wrapped outside the booster pump, wherein a plurality of first concave parts and a plurality of first convex parts are arranged on the inner peripheral wall of the pump shell, the plurality of first concave parts and the plurality of first convex parts are alternately arranged along the circumferential direction of the pump shell, noise reduction gaps are arranged between the first concave parts and the first convex parts and the booster pump, and the noise reduction gaps between the first convex parts and the booster pump are larger than the noise reduction gaps between the first concave parts and the booster pump. According to the technical scheme provided by the invention, when the noise generated by the booster pump is transmitted to the inner wall surface of the pump shell, the sound wave energy is continuously reflected and refracted in the noise reduction gaps with different sizes and is gradually consumed, and part of the sound wave energy is absorbed, so that the noise intensity is obviously reduced, the noise transmitted to the outside of the pump shell is obviously reduced, the noise generated by the booster pump is effectively reduced, and the noise reduction effect of the pump shell is improved.
Description
Technical Field
The invention relates to the technical field of water purifying equipment, in particular to a booster pump component for a water purifier.
Background
The existing reverse osmosis water purifier needs to boost tap water by using a booster pump to improve the water production efficiency of the water purifier, but the booster pump can vibrate to generate noise when working, and the larger the flux of the water purifier is, the larger the noise of the booster pump is, so that the water purifier becomes a using pain point of the current reverse osmosis water purifier. In order to solve the pain point, the prior art generally sets a pump shell outside the booster pump to reduce noise transmission or sets a damping sleeve on the booster pump to reduce vibration, but the noise reduction effect is poor. In addition, when the reverse osmosis water purifier works, the water inlet and outlet pipe connected with the booster pump also generates larger noise due to water flow, and the comfort of a user during use is seriously affected.
Disclosure of Invention
The invention aims to provide a booster pump assembly for a water purifier, which can effectively reduce noise of the booster pump.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the utility model provides a booster pump subassembly for purifier, includes the booster pump and wraps up in the outside pump case of booster pump, be equipped with a plurality of first concave parts and a plurality of first convex part on the interior perisporium of pump case, a plurality of first concave part and first convex part set up in turn along the circumference of pump case, first concave part with all be equipped with the clearance of making an uproar falls between first convex part and the booster pump, just the clearance of making an uproar falls between first convex part and the booster pump is greater than the clearance of making an uproar falls between first concave part and the booster pump.
Further, the booster pump assembly further comprises a water inlet pipe and a water outlet pipe, the water inlet pipe is connected with the water inlet of the booster pump, the water outlet pipe is connected with the water outlet of the booster pump, and at least one of the water inlet pipe and the water outlet pipe is wrapped in the pump shell.
Further, the first convex portion is arranged on the inner peripheral wall of the pump shell at a position corresponding to the water inlet pipe and the water outlet pipe.
Further, the inner diameter of the water inlet pipe is not smaller than the inner diameter of the water outlet pipe.
Further, ribs extending along the length direction of the first concave part are arranged on the inner wall of the first concave part.
Further, the booster pump assembly further comprises a damping sleeve, the damping sleeve is sleeved on the outer circumferential side of the pump body of the booster pump and is located between the booster pump and the pump shell, a plurality of second concave parts and a plurality of second convex parts are arranged on the damping sleeve, at least one second concave part corresponds to at least one first convex part, and at least one second convex part corresponds to at least one first concave part.
Further, the plurality of second concave parts are arranged in one-to-one correspondence with the plurality of first convex parts, and the plurality of second convex parts are arranged in one-to-one correspondence with the plurality of first concave parts.
Further, a step surface is arranged on the peripheral wall of the damping sleeve, ribs extending along the length direction of the first concave part are arranged on the inner wall of the first concave part, one end of each rib is abutted to the step surface, and the end face of the pump head of the booster pump is abutted to the inner end face of the pump shell.
Further, a shock pad is arranged on the inner end face of the pump shell, and the pump head end face of the booster pump is abutted against the shock pad.
Further, the booster pump assembly further comprises shock pads disposed between the pump head end face of the booster pump and the inner end face of the pump housing and between the pump tail end face of the booster pump and the inner end face of the pump housing.
Compared with the prior art, the invention has the beneficial effects that:
1. the inner peripheral wall of the pump shell is provided with a plurality of first concave parts and a plurality of first convex parts, the plurality of first concave parts and the first convex parts are alternately arranged along the circumferential direction of the pump shell, noise reduction gaps are formed between the first concave parts and the first convex parts and the booster pump, the noise reduction gaps between the first convex parts and the booster pump are larger than the noise reduction gaps between the first concave parts and the booster pump, so that when noise generated by the booster pump is transmitted to the inner wall surface of the pump shell, the noise reduction gaps between the first concave parts and the first convex parts and the booster pump are larger than the noise reduction gaps between the first concave parts and the booster pump, sound wave energy is continuously reflected and refracted in the noise reduction gaps of different sizes and gradually consumed, and part of sound wave energy is absorbed, so that the noise intensity is obviously reduced, the noise transmitted to the outside of the pump shell is obviously reduced, the noise generated by the booster pump is effectively reduced, and the noise reduction effect of the pump shell is improved. In addition, compared with the traditional sound-absorbing wedge structure, the pump shell structure is simple in structure, convenient to process and prepare and capable of improving processing efficiency.
2. The booster pump assembly further comprises a water inlet pipe and a water outlet pipe, the water inlet pipe is connected with the water inlet of the booster pump, the water outlet pipe is connected with the water outlet of the booster pump, at least one of the water inlet pipe and the water outlet pipe is wrapped in the pump shell, so that when the booster pump works, water flows through the water inlet pipe and the water outlet pipe to impact the pipe wall to generate noise, the sound wave frequency of the noise is different from that of the booster pump and has a certain phase difference, and the sound wave energy of two different sound wave frequency sounds is overlapped and offset in the closed pump shell, so that the noise transmitted to the outside of the pump shell is further reduced, and the noise reduction effect of the booster pump assembly is greatly improved.
3. The first convex part is arranged on the inner peripheral wall of the pump shell and corresponds to the water inlet pipe and the water outlet pipe, so that the noise reduction effect of the pump shell on the noise generated by the water inlet pipe and the water outlet pipe is improved.
4. The inner diameter of the water inlet pipe is not smaller than that of the water outlet pipe, so that the flow of the water inlet pipe can be ensured to increase the water inlet flow of the booster pump, the water outlet flow of the water purifier is ensured under the condition of smaller water inlet pressure, and the efficiency of the water purifier is improved; and when the internal diameter of the water outlet pipe is smaller than that of the water inlet pipe, the flow of the water outlet pipe can be reduced, so that the water flow in the water outlet pipe is throttled and depressurized, the pressure pulsation in the water outlet pipe is reduced, the noise generated when the water flow flows through the water outlet pipe is reduced, and the noise of the booster pump assembly is reduced.
5. The inner wall of the first concave part is provided with ribs extending along the length direction of the first concave part, and further the sound wave energy is reflected and refracted to be consumed and absorbed, so that the aim of secondary noise reduction is fulfilled.
6. The booster pump assembly further comprises a damping sleeve, the damping sleeve is sleeved on the outer circumferential side of the pump body of the booster pump and is positioned between the booster pump and the pump shell, a plurality of second concave parts and a plurality of second convex parts are arranged on the damping sleeve, at least one second concave part is arranged corresponding to at least one first convex part, at least one second convex part is arranged corresponding to at least one first concave part, when noise generated by the booster pump is firstly transmitted to the inner wall surface of the damping sleeve, sound wave energy is continuously reflected and refracted between the plurality of second concave parts and the plurality of second convex parts to be gradually consumed, part of sound wave energy is absorbed, and then the rest of sound wave energy is transmitted to a noise reduction gap formed between the pump shell and the damping sleeve, so that the sound wave energy is further reflected and refracted to be gradually consumed and absorbed, the purpose of secondary noise reduction is achieved, and the purpose of remarkably improving the noise reduction effect of the pump shell is achieved.
7. Be equipped with the step face on the perisporium of shock attenuation cover, be equipped with the rib that extends along first concave part length direction on the inner wall of first concave part, the one end butt of rib in the step face, just the pump head terminal surface butt of booster pump is in the interior terminal surface of pump case for the booster pump is fixed in the pump case, prevents that the booster pump from leading to vibration frequency increase at the empty shake in the pump case, effectively keeps apart the booster pump as the vibration source, has effectively reduced the complete machine vibrations of purifier, and then effectively reduces the noise of purifier during operation, promotes user's use experience.
8. The inner end face of the pump shell is provided with a shock pad, the end face of the pump head of the booster pump is abutted against the shock pad, the fixing reliability of the booster pump is further improved, and the transmission of vibration is reduced.
9. The booster pump assembly further comprises a shock pad arranged between the end face of the pump head of the booster pump and the inner end face of the pump shell and between the end face of the pump tail of the booster pump and the inner end face of the pump shell, so that the booster pump is fixed in the pump shell, the booster pump is prevented from vibrating in the pump shell to increase vibration frequency, the booster pump serving as a vibration source is effectively isolated, the vibration of the whole water purifier is effectively reduced, the noise of the water purifier during working is further effectively reduced, and the user experience is improved.
Drawings
FIG. 1 is a schematic diagram of a water purifier according to an embodiment;
FIG. 2 is a schematic diagram illustrating an internal structure of a water purifier according to an embodiment;
FIG. 3 is a schematic diagram of an exemplary booster pump assembly;
FIG. 4 is an exploded view of a booster pump assembly according to an embodiment;
FIG. 5 is a schematic view showing a partial structure of a pump casing according to an embodiment;
FIG. 6 is a schematic view of a partial structure of a pump housing at another angle according to an embodiment;
FIG. 7 is a schematic view of a damping sleeve according to an embodiment;
FIG. 8 is a schematic diagram of the internal structure of a booster pump assembly according to an embodiment;
FIG. 9 is a schematic view showing a partial structure of a pump casing according to another embodiment of the present invention;
figure 10 is an exploded view of a two-embodiment booster pump assembly;
FIG. 11 is a schematic view of a damping sleeve according to a second embodiment;
FIG. 12 is a schematic diagram of the internal structure of a second exemplary booster pump assembly;
reference numerals:
1, a shell; 2, a filter element; 3, a bracket; 4 booster pump assembly, 41 booster pump, 411 water inlet joint, 412 water outlet joint, 42 pump shell, 421 upper pump shell, 422 lower pump shell, 423 first concave part, 424 first convex part, 425 rib, 426 inner contour line of pump shell; 43 damping sleeve, 431 second concave part, 432 second convex part, 433 step surface; 44 inlet pipe; 45 water outlet pipes; 46 shock pads.
Detailed Description
The technical solution of the present application is further described below by means of specific embodiments in conjunction with the accompanying drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not limiting.
As shown in fig. 1 to 12, the invention provides a booster pump assembly for a water purifier, which comprises a booster pump and a pump shell totally enclosed and wrapped outside the booster pump, wherein a plurality of first concave parts and a plurality of first convex parts are arranged on the inner peripheral wall of the pump shell, the plurality of first concave parts and the plurality of first convex parts are alternately arranged along the circumferential direction of the pump shell, noise reduction gaps are arranged between the first concave parts and the first convex parts and the booster pump, and the noise reduction gap between the first convex parts and the booster pump is larger than the noise reduction gap between the first concave parts and the booster pump. When the noise generated by the booster pump is transferred to the inner wall surface of the pump shell, noise reduction gaps are formed between the first concave part and the first convex part and the booster pump, and the noise reduction gaps between the first convex part and the booster pump are larger than the noise reduction gaps between the first concave part and the booster pump, so that sound wave energy is continuously reflected and refracted in the noise reduction gaps with different sizes and gradually consumed, and part of sound wave energy is absorbed, so that the noise intensity is obviously reduced, the noise transmitted to the outside of the pump shell is obviously reduced, the noise generated by the booster pump is effectively reduced, and the noise reduction effect of the pump shell is improved. In addition, compared with the traditional sound-absorbing wedge structure, the pump shell structure is simple in structure, convenient to process and prepare and capable of improving processing efficiency.
The technical scheme of the water purifier according to the exemplary embodiment of the invention is exemplarily described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to 5, the present invention provides a water purifier, the water purifier includes a casing 1, a bracket 2 sleeved in the casing 1, and a filter element 2 and a booster pump assembly 4 arranged in the bracket 3 side by side, the booster pump assembly 4 includes a booster pump 41 and a pump casing 42 totally enclosed and wrapped outside the booster pump 41, a plurality of first concave parts 423 and a plurality of first convex parts 424 are provided on an inner peripheral wall of the pump casing 42, the plurality of first concave parts 423 and the first convex parts 424 are alternately arranged along a circumferential direction of the pump casing 42, noise reduction gaps are provided between the first concave parts 423 and the first convex parts 424 and the booster pump 41, and the noise reduction gap between the first convex parts 424 and the booster pump 41 is larger than the noise reduction gap between the first concave parts 423 and the booster pump 41. When the noise generated by the booster pump is transferred to the inner wall surface of the pump shell, noise reduction gaps are formed between the first concave part and the first convex part and the booster pump, and the noise reduction gaps between the first convex part and the booster pump are larger than the noise reduction gaps between the first concave part and the booster pump, so that sound wave energy is continuously reflected and refracted in the noise reduction gaps with different sizes and gradually consumed, and part of sound wave energy is absorbed, so that the noise intensity is obviously reduced, the noise transmitted to the outside of the pump shell is obviously reduced, the noise generated by the booster pump is effectively reduced, and the noise reduction effect of the pump shell is improved. In addition, compared with the traditional sound-absorbing wedge structure, the pump shell structure is simple in structure, convenient to process and prepare and capable of improving processing efficiency.
In the present embodiment, the pump casing 42 includes an upper pump casing 421 and a lower pump casing 422, the upper pump casing 421 and the lower pump casing 422 together enclose a receiving cavity of the booster pump 41, and the upper pump casing 421 and the lower pump casing 422 are fixedly connected by a fastener. The inner peripheral walls of the upper pump casing 421 and the lower pump casing 422 are respectively provided with a plurality of first concave parts and a plurality of first convex parts, the plurality of first concave parts and the plurality of first convex parts are alternately arranged along the circumferential direction of the pump casing, noise reduction gaps are respectively arranged between the first concave parts and the first convex parts and the booster pump, and the noise reduction gaps between the first convex parts and the booster pump are larger than the noise reduction gaps between the first concave parts and the booster pump.
As shown in fig. 6, in this embodiment, the intersection line between the inner surface of the peripheral wall of the pump casing 42 and the cross section of the pump casing 42 is a pump casing inner contour line, the height difference between the most convex point and the most concave point on the pump casing inner contour line adjacent to the first convex portion 424 and the first concave portion 423 is D1, and the peripheral wall thickness of the pump casing 42 is D2,1.6D2 is less than or equal to D1 and less than or equal to 8D2, so that noise generated by vibration frequency between 100HZ and 500HZ can be significantly reduced, and the noise reduction effect of the pump casing is improved.
The vibration frequency of a booster pump of the existing reverse osmosis water purifier is usually 500-225 HZ, and when D1/D2 is 1.6-3.55, the noise reduction rate of the booster pump is more than 98%; when the vibration frequency of the booster pump is 225HZ, D1/D2 is 3.55, and when the vibration frequency of the booster pump is 500HZ, D1/D2 is 1.6; when the vibration frequency of the booster pump is 200HZ, D1/D2 is 4.
In this embodiment, the booster pump assembly 4 further includes a water inlet pipe 44 and a water outlet pipe 45, the booster pump 41 has a water inlet joint 411 and a water outlet joint 412, the water inlet joint 411 and the water outlet joint 412 are respectively provided with a water inlet and a water outlet, the water inlet is connected with the water inlet pipe 44, the water outlet is connected with the water outlet pipe 45, at least one of the water inlet pipe 44 and the water outlet pipe 45 is wrapped in the pump shell 42, so, when the booster pump works, water flows through the water inlet pipe and the water outlet pipe, a certain impact is generated on the pipe wall to generate noise, the sound wave frequency of the noise is different from the sound wave frequency generated when the booster pump works and has a certain phase difference, and the sound wave energy of the sound of the two different sound wave frequencies is overlapped and offset in the closed pump shell, so that the noise transmitted outside the pump shell is further reduced, and the noise reduction effect of the booster pump assembly is greatly improved.
Preferably, the inlet pipe 44 and the outlet pipe 45 are both enclosed within the pump housing 42.
In this embodiment, the positions on the peripheral wall of the pump casing 42 corresponding to the water inlet pipe 44 and the water outlet pipe 45 are the first protrusions 424, and the back surfaces of the first protrusions 424 corresponding to the water inlet pipe 44 and the water outlet pipe 45 form a receiving cavity for receiving the water inlet pipe 44 and the water outlet pipe 45, so as to improve the noise reduction effect of the pump casing 42 on the noise generated by the water inlet pipe and the water outlet pipe.
In this embodiment, the inner diameter of the water inlet pipe 44 is not smaller than the inner diameter of the water outlet pipe 45, so that the flow rate of the water inlet pipe can be ensured to increase the water inlet flow rate of the booster pump, and the water outlet flow rate of the water purifier is ensured under the condition of smaller water inlet pressure, so that the efficiency of the water purifier is improved; and when the internal diameter of the water outlet pipe is smaller than that of the water inlet pipe, the flow of the water outlet pipe can be reduced, so that the water flow in the water outlet pipe is throttled and depressurized, the pressure pulsation in the water outlet pipe is reduced, the noise generated when the water flow flows through the water outlet pipe is reduced, and the noise of the booster pump assembly is reduced.
The frequency of vibration generated by the water flowing through the water inlet pipe 44 and the water outlet pipe 45 is generally between 300HZ and 100HZ, the height difference between the most convex point and the most concave point of the first convex portion 424 corresponding to the water inlet pipe 44 and the water outlet pipe 45 and the first concave portion 423 adjacent to the first convex portion 424 on the inner contour line of the pump casing is D1, and the thickness of the peripheral wall of the pump casing 42 is D2, D1/D2 is 2.66-8, so that the noise generated by the pump casing on the water inlet pipeline and the water outlet pipeline can be remarkably reduced.
As shown in fig. 7 and 8, in the present embodiment, the booster pump assembly 4 further includes a damper sleeve 43, the damper sleeve 43 is sleeved on the outer circumferential side of the pump body of the booster pump 41 and is located between the booster pump 41 and the pump casing 42, the damper sleeve 43 is provided with a plurality of second concave portions 431 and a plurality of second convex portions 432, at least one of the second concave portions 431 is provided corresponding to at least one of the first convex portions 424, and at least one of the second convex portions 432 is provided corresponding to at least one of the first concave portions 423. When the noise generated by the booster pump is firstly transmitted to the inner wall surface of the damping sleeve, the sound wave energy is continuously reflected and refracted between the plurality of second concave parts and the plurality of second convex parts to be gradually consumed, and part of the sound wave energy is absorbed, and then the rest of the sound wave energy is transmitted to a noise reduction gap formed between the pump shell and the damping sleeve, so that the sound wave energy is further reflected and refracted to be gradually consumed and absorbed to form the aim of secondary noise reduction, and the aim of remarkably improving the noise reduction effect of the pump shell is fulfilled.
Preferably, the plurality of second concave parts 431 are arranged in one-to-one correspondence with the plurality of first convex parts 424, and the plurality of second convex parts 432 are arranged in one-to-one correspondence with the plurality of first concave parts 423, so that an annular silencing space formed between the pump shell and the damping sleeve can be further increased, and the sound wave energy transmitted by the damping sleeve is fully reflected and refracted in the annular silencing space to be gradually consumed and absorbed, thereby improving the effect of secondary noise reduction and better realizing the noise reduction effect of the pump shell.
In this embodiment, the booster pump assembly 4 further includes a shock pad 46 (not shown in the drawing) disposed between the pump head end surface of the booster pump 41 and the inner end surface of the pump casing 42 and between the pump tail end surface of the booster pump 41 and the inner end surface of the pump casing 42, so that the booster pump is fixed in the pump casing, the booster pump is prevented from vibrating in the pump casing to increase the vibration frequency, the booster pump serving as a vibration source is effectively isolated, the vibration of the whole machine of the water purifier is effectively reduced, the noise of the water purifier during operation is effectively reduced, and the user experience is improved.
It will be appreciated that the shock pad is provided by means of adhesive on the inner face of the pump housing 42.
As shown in fig. 9, in another implementation manner of this embodiment, ribs extending along the length direction of the first concave portion 423 are provided on the inner wall of the first concave portion 423, and further reflect, refract and consume and absorb the acoustic wave energy, so as to achieve the purpose of secondary noise reduction.
It will be appreciated that the ribs are provided on the inner wall of the first recess 423 of the lower pump casing 422 and/or the upper pump casing 421.
It will be appreciated that the damping sleeve 43 and the damping pad 46 are made of an elastic material, such as a silicone material; preferably, the damping sleeve 43 and the damping pad 46 are both made of SEBS-based TPE thermoplastic elastomer.
Example two
As shown in fig. 10 to 12, in the second embodiment of the present invention, unlike the first embodiment, in the second embodiment, the circumferential wall of the damping sleeve 43 is provided with a step surface 433, the inner wall of the first recess 423 is provided with a rib 425 extending along the length direction of the first recess 423, one end of the rib 425 abuts against the step surface 433, and the end surface of the pump head of the booster pump 41 abuts against the inner end surface of the pump casing 42, so that the booster pump is fixed in the pump casing, the booster pump is prevented from vibrating in the pump casing to increase the vibration frequency, the booster pump serving as a vibration source is effectively isolated, the vibration of the whole machine of the water purifier is effectively reduced, the noise of the water purifier during operation is effectively reduced, and the user experience is improved.
Preferably, a shock pad 46 is provided on the inner end surface of the pump housing 42, and the pump head end surface of the booster pump 41 abuts against the shock pad 46, so as to further improve the fixing reliability of the booster pump and reduce the transmission of vibration.
It will be appreciated that the shock pad 46 is provided by adhesive means on the inner end face of the pump housing 42.
Other undescribed features and technical effects of the embodiment are the same as those of the first embodiment, and are not described here again.
In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," "fixedly connected," and "coupled" may be directly connected, indirectly connected through intervening media, or in communication between two elements. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.
Claims (9)
1. The utility model provides a booster pump subassembly for purifier, includes booster pump and parcel in the outside pump case of booster pump, its characterized in that, be equipped with a plurality of first concave parts and a plurality of first convex part on the interior perisporium of pump case, a plurality of first concave part and first convex part set up along the circumference of pump case in turn, first concave part with all be equipped with the clearance of making an uproar between first convex part and the booster pump, just the clearance of making an uproar falls between first convex part and the booster pump is greater than the clearance of making an uproar falls between first concave part and the booster pump, the booster pump subassembly still includes the damping sleeve, the damping sleeve cover is located the pump body periphery side of booster pump and be located between booster pump and the pump case, be equipped with the step face on the perisporium of damping sleeve, be equipped with the rib that extends along first concave part length direction on the inner wall of first concave part, the one end butt of rib is in the step face, just the pump head terminal surface butt of booster pump in the interior terminal surface of pump case.
2. The booster pump assembly of claim 1 further comprising a water inlet tube and a water outlet tube, wherein the water inlet tube is connected to a water inlet of the booster pump, the water outlet tube is connected to a water outlet of the booster pump, and at least one of the water inlet tube and the water outlet tube is enclosed within the pump housing.
3. The booster pump assembly for a water purifier as claimed in claim 2, wherein the positions on the inner peripheral wall of the pump housing corresponding to the water inlet pipe and the water outlet pipe are the first protrusions.
4. The booster pump assembly for a water purifier as claimed in claim 2, wherein an inner diameter of the water inlet pipe is not smaller than an inner diameter of the water outlet pipe.
5. The booster pump assembly of claim 1 wherein the inner wall of the first recess is provided with ribs extending along the length of the first recess.
6. The booster pump assembly of claim 1, wherein the damping sleeve is provided with a plurality of second recesses and a plurality of second protrusions, at least one of the second recesses being disposed corresponding to at least one of the first protrusions, at least one of the second protrusions being disposed corresponding to at least one of the first recesses.
7. The booster pump assembly of claim 6, wherein the plurality of second recesses are disposed in one-to-one correspondence with the plurality of first protrusions, and the plurality of second protrusions are disposed in one-to-one correspondence with the plurality of first recesses.
8. The booster pump assembly of claim 1 wherein the inner end surface of the pump housing is provided with a shock pad, and the pump head end surface of the booster pump abuts against the shock pad.
9. The booster pump assembly for a water purifier of any one of claims 1 to 7, further comprising a shock pad provided between a pump head end surface of the booster pump and an inner end surface of the pump housing and between a pump tail end surface of the booster pump and an inner end surface of the pump housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011481532.3A CN114635846B (en) | 2020-12-16 | 2020-12-16 | Booster pump assembly for water purifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011481532.3A CN114635846B (en) | 2020-12-16 | 2020-12-16 | Booster pump assembly for water purifier |
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| CN114635846A CN114635846A (en) | 2022-06-17 |
| CN114635846B true CN114635846B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| Publication number | Publication date |
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| CN114635846A (en) | 2022-06-17 |
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