CN113250940A - RO booster pump subassembly and water purifier of making an uproar fall - Google Patents

Abstract

The application relates to a noise-reducing RO booster pump assembly and a water purifier, comprising an RO booster pump, wherein the RO booster pump comprises a pump head shell, a pump head assembly and a driving piece; the noise reduction container is also included; the RO booster pump extends into the noise reduction container, and the pump head shell and the pump head assembly are both positioned on the inner side of the noise reduction container; the noise-reducing RO booster pump assembly is provided with a water inlet and a water outlet; the RO booster pump can pump the water discharged from the water inlet into the noise-reducing RO booster pump assembly and discharge the water through the water outlet. This application has the effect that weakens the noise that produces when RO booster pump operation.

Description

RO booster pump subassembly and water purifier of making an uproar fall

Technical Field

The application relates to the technical field of water purification unit, especially, relate to a RO booster pump subassembly and water purifier of making an uproar falls.

Background

The RO booster pump is also called as RO diaphragm pump and RO booster pump, and is mainly applied to the water purification industry and is also a common component in the household water purifier. The RO pump comprises a pump head housing, a pump head assembly and a drive member for driving the pump head assembly into action. Wherein, the driving member usually adopts a motor.

When the RO booster pump operates, the motor drives the pump head assembly to act, so that the function of pumping and boosting the RO booster pump is realized. Noise is generated during operation of the RO booster pump, wherein the noise generated during operation of the pump head assembly is a major source of noise emitted by the RO booster pump.

In view of the above-mentioned related art, the inventors believe that the above-mentioned RO booster pump generates a large noise during operation.

Disclosure of Invention

In order to weaken the noise that the RO booster pump produced when operation, this application provides one kind and falls RO booster pump subassembly and water purifier.

First aspect, the application provides a RO booster pump subassembly of making an uproar falls adopts following technical scheme:

a noise-reducing RO booster pump assembly comprises an RO booster pump, wherein the RO booster pump comprises a pump head shell, a pump head assembly and a driving piece; the noise reduction container is also included; the RO booster pump extends into the noise reduction container, and the pump head shell and the pump head assembly are both positioned on the inner side of the noise reduction container; the noise-reducing RO booster pump assembly is provided with a water inlet and a water outlet; the RO booster pump can pump the water discharged from the water inlet into the noise-reducing RO booster pump assembly and discharge the water through the water outlet.

Through adopting above-mentioned technical scheme, because the main noise source of RO booster pump is the noise that produces when the pump head assembly moves, consequently arrange the pump head casing and the pump head assembly of RO booster pump in falling the container of making an uproar for when the RO booster pump moves, the noise that produces when the pump head assembly moves can be fallen the container of making an uproar and isolated partly, thereby has weakened the noise that produces when the RO booster pump moves, makes whole RO booster pump assembly that falls to keep the operating condition of relative silence in the use.

Optionally, a waterproof cover is further sleeved on the outer side of the RO booster pump; one end sealing connection of buckler is in on the pump head casing, the other end sealing connection of buckler is in on the container of making an uproar falls.

Through adopting above-mentioned technical scheme, fill water in the container of making an uproar falls, weaken the noise that the pump head subassembly produced through the water in the container of making an uproar falls to reach the purpose of making an uproar. The waterproof cover can promote the waterproof ability of RO booster pump, has reduced to fall the gap that falls water in the container of making an uproar and has entered into the RO booster pump on the casing of RO booster pump, has guaranteed the steady operation of RO booster pump in falling the container of making an uproar.

Optionally, the water shield and pump head housing are configured to form a mounting chamber; the driving piece is also arranged in the mounting cavity.

Through adopting above-mentioned technical scheme, also arrange the driving piece of RO booster pump in the installation cavity for the container of making an uproar also can weaken the noise that the driving piece produced when moving of making an uproar falls, helps making whole RO booster pump subassembly of making an uproar to keep the operating condition of relative silence in the use.

Optionally, the side wall of the noise reduction container is provided with an installation opening corresponding to the installation cavity; the RO booster pump subassembly of making an uproar still includes will the sound insulation apron that the installation opening lid closed.

Through adopting above-mentioned technical scheme, when the equipment of falling the RO booster pump subassembly of making an uproar, can pack pump head subassembly and driving piece into the installation cavity in proper order for it is comparatively convenient to fall the equipment of the RO booster pump subassembly of making an uproar. And, use the apron that gives sound insulation to close the installation opening, can further weaken the RO booster pump in the noise that the use produced, help making whole RO booster pump subassembly that makes an uproar of falling can keep the operating condition of relative silence in the use.

Optionally, the noise reduction container comprises a noise reduction outer barrel with an opening at an end portion and a noise reduction end cover for sealing and covering the opening of the noise reduction outer barrel, and the waterproof cover is connected to the noise reduction end cover.

Through adopting above-mentioned technical scheme, when assembling, can install the component of RO booster pump in proper order on the end cover of making an uproar falls, later will fall the end cover of making an uproar again and install on falling the outer bucket for it is comparatively convenient to fall the equipment of RO booster pump subassembly of making an uproar.

Optionally, the waterproof cover, the noise reduction end cap and the pump head housing are integrally arranged.

Through adopting above-mentioned technical scheme, when the equipment of the RO booster pump subassembly of making an uproar falls, will make an uproar the end cover of will falling afterwards and install on falling the outer bucket of making an uproar in installing the installation cavity with pump head subassembly, driving piece and syllable-dividing apron in proper order, this kind of mounting means is comparatively convenient. And, the inboard that water in the container of making an uproar can not enter into the RO booster pump through the clearance on the surface of RO booster pump, has reduced the inside probability of intaking of RO booster pump for the operation of the RO booster pump subassembly of making an uproar is more stable.

Optionally, a support member is provided in the mounting chamber and supported between the waterproof cover and the RO booster pump.

Through adopting above-mentioned technical scheme, because the RO booster pump can take place the vibration at the operation in-process, adopt support piece to support and can support the RO booster pump between buckler and RO booster pump to the stability of RO booster pump in the installation cavity has been improved.

Optionally, a water inlet joint and a water drainage joint are arranged on the noise reduction shell; the water inlet is arranged on the water inlet joint, and the water outlet is arranged on the water drainage joint; the water inlet joint is communicated with the inner cavity of the noise reduction container; the water inlet of the RO booster pump is communicated with the inner cavity of the noise reduction container; and a pump water port of the RO booster pump is connected with the water drainage joint through a water drainage pipe.

Through adopting above-mentioned technical scheme, above-mentioned RO booster pump subassembly of making an uproar falls when the operation, the RO booster pump with the water suction of water inlet department to fall the container of making an uproar in to enter into the RO booster pump through the water inlet, later this part of water loops through pump mouth of a river, drain pipe and drainage joint after, fall the RO booster pump subassembly of making an uproar from the outlet discharge, the water that is used for weakening the noise in the container of making an uproar is the water that the RO booster pump subassembly of making an uproar was taken off the pump drainage, make the water in the container of making an uproar can carry out timely replacement.

Optionally, the noise reduction container is filled with sound insulation filler.

Through adopting above-mentioned technical scheme for the noise that the pump head subassembly of RO booster pump sent can be weakened by the filler that gives sound insulation, helps whole RO booster pump subassembly of making an uproar to fall to keep the operating condition of relative silence in the use.

In a second aspect, the present application provides a water purifier, which adopts the following technical scheme:

a water purifier comprises the noise-reducing RO booster pump assembly.

Through adopting above-mentioned technical scheme, above-mentioned water purifier has and makes an uproar RO booster pump subassembly and makes the noise that produces when the RO booster pump is taken out water and is less, helps whole water purifier can keep the operating condition of relative silence in the use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a noise-reducing RO booster pump assembly is characterized in that a noise-reducing container is arranged, and a pump head assembly in an RO booster pump is positioned in the noise-reducing container, so that noise generated by the pump head assembly in the RO booster pump can be weakened by the noise-reducing container, and the noise generated during the running of the RO booster pump is weakened, and the whole noise-reducing RO booster pump assembly can keep a relatively quiet working state in the using process;

2, a pump head assembly and a driving piece of the RO booster pump are both positioned in the installation chamber, and an opening of the installation chamber is covered by a sound insulation cover plate, so that the noise generated during the running of the RO booster pump is further weakened;

3. the waterproof cover, the noise reduction end cover and the pump head shell are integrally formed, so that the assembly of the noise reduction RO booster pump assembly is facilitated, the waterproof capability of the RO booster pump is improved, and the probability that water in the noise reduction container enters the RO booster pump is reduced;

4. a water purifier comprises the noise-reducing RO booster pump assembly, and under the premise of having the function of sucking water, the noise generated in the use process is small.

Drawings

FIG. 1 is a schematic structural view of a noise-reducing RO booster pump assembly of embodiment 1.

FIG. 2 is a schematic cross-sectional view of a noise-reducing RO booster pump assembly of example 1.

Fig. 3 is a schematic bottom structure view of the pump head housing in embodiment 1.

FIG. 4 is an exploded view of the RO booster pump of example 1.

Fig. 5 is an exploded view of the driving member in example 1.

Fig. 6 is a schematic cross-sectional view showing the pump head housing, the water-break housing, the through-stop member, and the diaphragm in embodiment 1.

FIG. 7 is a schematic view showing the combination of the water hitting frame, the membrane sheet and the peristaltic sheet in example 1.

FIG. 8 is a top-part explosion schematic view of the check valve, the inlet check valve and the outlet check valve in example 1.

Fig. 9 is a bottom cooperation explosion schematic diagram of the stop member, the water inlet check valve and the water outlet check valve in the embodiment 1.

FIG. 10 is a schematic cross-sectional view of a noise-reducing RO booster pump assembly of example 3.

Description of reference numerals: 1. a noise reduction vessel; 11. a noise reduction outer barrel; 12. a noise reduction end cap; 121. a water inlet joint; 122. a water discharge joint; 13. an accommodating chamber; 2. a waterproof cover; 21. installing a chamber; 22. an installation opening; 3. an RO booster pump; 31. a pump head housing; 311. a water inlet ring groove; 312. a water pumping tank; 313. an annular baffle ring; 314. a water inlet; 315. a pump nozzle; 316. a first through hole; 317. a supporting convex ring; 318. a first seal ring; 32. a casing for fetching water; 321. a second through hole; 322. drilling a water through hole; 323. mounting grooves; 324. a limiting ring groove; 33. a stop-pass piece; 331. sealing the ring groove; 332. a second seal ring; 333. a water pumping cavity; 334. a first valve spool; 3341. a first clamping hole; 3342. a water inlet through hole; 335. a second valve spool; 3351. a second clamping hole; 3352. a water inlet through hole; 34. a water inlet one-way valve; 341. a first valve plate; 342. a first card connector; 35. a water outlet one-way valve; 351. a second valve plate; 352. a second card connector; 36. a membrane; 361. a limit convex ring; 362. a sealing convex ring; 363. a pump water film area; 364. positioning a groove; 365. a vermicular sheet; 37. a water fetching frame; 371. installing a ring; 372. a water pumping wheel; 38. an eccentric bearing; 39. an eccentric wheel; 4. a drive member; 41. a front end cover; 411. a first threaded hole; 412. a second threaded hole; 413. watering a water tank; 42. a motor housing; 43. a rear end cap; 431. a third through hole; 44. a motor shaft; 45. a rotor; 46. a stator; 47. locking the screw rod; 48. a rotating bearing; 51. a water inlet; 52. a water outlet; 53. a drain pipe; 54. a first screw; 55. a support member; 56. a sound insulation cover plate; 57. a water inlet pipeline; 58. a water pumping pipeline; 6. sound insulation filler; 61. a sound insulation bottom block; 611. a lower positioning groove; 62. a sound-insulating sleeve; 63. a sound insulating top cover; 631. and (4) positioning the groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

Example 1:

the embodiment of the application discloses RO booster pump subassembly of making an uproar falls.

Referring to figures 1 and 2, a noise reducing RO booster pump assembly comprises a noise reducing vessel 1 and an RO booster pump 3.

Referring to fig. 1 and 2, the noise reduction container 1 includes a noise reduction outer tub 11 and a noise reduction end cap 12. The noise reduction outer barrel 11 is integrally barrel-shaped and has an accommodating chamber 13 with an open top. The noise reduction end cover 12 is hermetically installed at the top of the noise reduction outer barrel 11, wherein the outer edge of the noise reduction end cover 12 and the top edge of the noise reduction end cover 12 are fixed by ultrasonic welding, so as to realize the sealing fit between the noise reduction end cover 12 and the noise reduction outer barrel 11.

Referring to fig. 1 and 2, the noise reduction container 1 is further provided with a water inlet joint 121 and a water discharge joint 122. The water inlet joint 121 and the water outlet joint 122 are both arranged on the top of the noise reduction end cover 12 and are perpendicular to the top surface of the noise reduction end cover 12. Wherein, the water inlet joint 121 and the water outlet joint 122 are both communicated with the accommodating chamber 13 of the noise reduction container 1. The water inlet joint 121 and the water outlet joint 122 are both hollow columnar structures, the water inlet joint 121 is provided with a water inlet 51 at one side far away from the noise reduction container 1, and the water outlet joint 122 is provided with a water outlet 52 at one side far away from the noise reduction container 1.

The water inlet joint 121 and the water outlet joint 122 may also be in a socket structure, but the water in the noise reduction RO booster pump assembly can be circulated through the water inlet joint 121 and the water outlet joint 122.

Referring to fig. 2, the middle region of the noise reduction end cap 12 is recessed toward the accommodating chamber 13 and forms the waterproof cover 2. The waterproof cover 2 has a cylindrical structure, and the waterproof cover 2 has a mounting opening 22 formed in the noise reduction end cap 12.

Referring to fig. 2, the RO booster pump 3 comprises a pump head housing 31, a pump head assembly and a drive member 4.

Referring to fig. 2, the pump head housing 31 is mounted at the end of the water shield 2 remote from the noise damping end cap 12. The pump head housing 31, the water shield 2 and the noise damping end cap 12 are integrally formed, and the pump head housing 31 and the water shield 2 are configured to form a mounting chamber 21. Both the pump head assembly and the drive member 4 are disposed within the mounting chamber 21.

Referring to fig. 2 and 3, the pump head housing 31 is provided with an annular water inlet ring groove 311 in a top circumferential direction, a pump water groove 312 located inside the water inlet ring groove 311, and an annular stopper ring 313 separating the water inlet ring groove 311 and the pump water groove 312. The bottom surface of the pump head housing 31 is further provided with a water inlet 314 communicated with the water inlet ring groove 311, and the side wall of the pump head housing 31 is provided with a water pumping port 315 communicated with the water pumping ring groove 312.

The number of the water inlets 314 is two and the two water inlets 314 are both disposed toward the bottom surface of the noise reduction outer tub 11. The water inlet joint 121 is in direct communication with the accommodating chamber 13, so that water entering from the water inlet joint 121 directly enters the accommodating chamber 13 and can flow into the water inlet 314. The water pumping port 315 of the RO booster pump 3 is connected to the water discharge joint 122 via a water discharge pipe 53, so that the noise-reduced RO booster pump assembly is discharged from the water discharge port 52 after the water pumped from the water pumping port 315 of the pump head housing 31 passes through the water discharge pipe 53 and the water discharge joint 122.

Referring to fig. 2 and 4, the pump head assembly and the drive member 4 are in turn mounted within the mounting chamber 21. The pump head assembly has a pump head housing 32 abutting against the upper end face of the pump head housing 31, and the drive member 4 has a front end cap 41 pressing the pump head housing 32 against the upper end face of the pump head housing 31. The pump head housing 31 is circumferentially provided with four first through holes 316 penetrating the upper and lower end faces thereof, the water fetching housing 32 is provided with second through holes 321 corresponding to the first through holes 316 one to one, and the front end cover 41 is provided with first threaded holes 411 corresponding to the first through holes 316 one to one. The RO booster pump 3 is also provided with first screws 54 in one-to-one correspondence with the first through holes 316. The first screw 54 sequentially passes through the first through hole 316 and the second through hole 321 from bottom to top, and is in threaded fit with the first threaded hole 411, so that the water fetching housing 32 and the front end cover 41 of the driving member 4 are fixed on the pump head housing 31. In this embodiment, a gasket is provided between the screw head of the first screw 54 and the bottom surface of the pump head housing 31 to reduce the probability that water in the noise reduction container 1 enters the mounting chamber 21 through the first through hole 316 and the second through hole 321.

Referring to fig. 2 and 5, the driving member 4 is a motor, and further includes a motor housing 42, a rear end cap 43, a motor shaft 44, a rotor 45, and a stator 46. The motor housing 42 is cylindrical, and both ends of the motor housing 42 are respectively abutted against the front end cover 41 and the rear end cover 43. The driver 4 further includes a locking screw 47 that locks the front end cap 41, the motor housing 42, and the rear end cap 43. The rear end cover 43 is provided with a third through hole 431 for installing the locking screw 47, the front end cover 41 is provided with a second threaded hole 412 for screw-thread matching of the locking screw 47, and a screw portion of the locking screw 47 penetrates through the third through hole 431 from top to bottom and then is in screw-thread matching with the second threaded hole 412. In this embodiment, two locking screws 47 are provided on the driving member 4.

Referring to fig. 2, the front cover 41 and the rear cover 43 are each provided with a rotary bearing 48 for rotatably supporting the motor shaft 44. The front cover 41 further has a water catch groove 413 formed in an end surface facing the water catch case 32. The motor shaft 44 of the drive member 4 extends into the sump 413 and engages the pump head assembly.

Referring to fig. 2 and 4, the pump head assembly further includes a check 33, an inlet check valve 34 mounted on the check 33, an outlet check valve 35, a diaphragm 36, a water stand 37, an eccentric bearing 38, and an eccentric 39. In this embodiment, the RO booster pump 3 is a four-chamber RO booster pump.

Referring to fig. 2 and 4, the eccentric wheel 39 is mounted on a motor shaft 44 of the driving member 4 and is driven to rotate by the motor shaft 44. The eccentric bearing 38 is sleeved on the outer side wall of the eccentric wheel 39, and the inner ring of the eccentric bearing 38 is in interference fit with the outer side wall of the eccentric wheel 39. The water fetching frame 37 comprises a mounting ring 371 sleeved on the outer ring of the eccentric bearing 38 and a water fetching wheel 372 arranged on the mounting ring 371. The outer ring of the eccentric bearing 38 is an interference fit with a mounting ring 371, and the paddlewheel 372 is disposed on the side of the mounting ring 371 adjacent to the pump head housing 31. Since the RO booster pumps 3 are four-chamber RO booster pumps in this embodiment, the number of the water-beating wheels 372 is four, and the water-beating wheels are circumferentially and uniformly arranged.

Referring to fig. 2 and 4, the casing 32 is provided with a water-fetching through hole 322. The number of the water beating through holes 322 is in one-to-one correspondence with the water beating wheels 372, and the water beating through holes 322 can be used for the corresponding water beating wheels 372 to pass through.

Referring to fig. 6, the water fetching housing 32 further has a mounting groove 323 for mounting the diaphragm 36 on a side facing the pump head housing 31. A circle of limiting ring groove 324 is circumferentially arranged on the bottom surface of the mounting groove 323. The limiting ring groove 324 is positioned outside the circumference of the water-beating through hole 322. The top surface of the pump head housing 31 is further circumferentially provided with a circle of supporting convex ring 317, and the outer side wall of the supporting convex ring 317 is attached to the inner wall of the mounting groove 323. The top surface of the supporting collar 317 is also provided with a ring of first sealing rings 318 abutting on the membrane 36.

Referring to fig. 6, the diaphragm 36 has a stopper ring 361 fitted to the stopper ring groove 324 and a seal ring 362 abutting against the first seal ring 318. When the pump head housing 32 is secured to the top surface of the pump head housing 31, the diaphragm 36 is also compressed between the pump head housing 31 and the pump head housing 32.

Referring to fig. 6, the diaphragm 36 has a positioning groove 364 formed on a side surface facing the through-stop piece 33 for fitting the top of the through-stop piece 33. The through-stop piece 33 is pressed on the annular baffle ring 313 by the membrane 36, a sealing ring groove 331 which is connected with the annular baffle ring 313 is formed in the through-stop piece 33, and a second sealing ring 332 which is in sealing contact with the annular baffle ring 313 is arranged in the sealing ring groove 331, so that the water inlet ring groove 311 and the pump water groove 312 are separated, and liquid in the water inlet ring groove 311 can only enter the pump water groove 312 through the through-stop piece 33.

Referring to fig. 7, the area of the diaphragm 36 corresponding to the pumping wheel 372 is defined as a pumping membrane area 363, i.e., the diaphragm 36 has four pumping membrane areas 363. The four pump water membrane regions 363 are each provided with a peristaltic blade 365 on the side facing the vent stop 33. The peristaltic sheets 365 are pressed on the water pumping membrane area 363 through the matching of the screws and the water beating wheel 372. Wherein the screws are arranged through the membrane 36.

Referring to fig. 7 and 8, the through-stop member 33 has a water pumping cavity 333 on the top surface, which corresponds to the four water pumping membrane regions 363 one to one. The center of the bottom surface of the water pumping cavity 333 is provided with a first valve groove 334 for mounting the water feed check valve 34, and the center of the first valve groove 334 is provided with a first clamping hole 3341. The inlet check valve 34 is made of an elastic rubber material, and includes a first valve plate 341 fitted to the first valve groove 334 and a first engaging head 342 engaged with the first engaging hole 3341. The bottom surface of the first valve groove 334 is provided with a water inlet through hole 3342 communicating the water inlet ring groove 311 and the water pumping cavity 333.

Referring to fig. 8 and 9, the bottom surface of the through-stop member 33 is provided with a second valve groove 335 opposite to the water pumping groove 312 and used for installing the outlet check valve 35, and a second clamping hole 3351 is formed in the center of the second valve groove 335. The outlet check valve 35 is made of an elastic material and includes a second valve plate 351 adapted to the second valve groove 335 and a second clamping connector 352 clamped and matched with the second clamping hole 3351. The bottom surface of the second valve groove 335 is provided with a plurality of water inlet through holes 3352 communicated with the water pumping cavities 333, and each water pumping cavity 333 corresponds to at least one water inlet through hole 3352.

With reference to fig. 2 to 9, the operation principle of the RO booster pump 3 is as follows: the motor drives the eccentric wheel 39 to rotate, the eccentric wheel 39 drives the water fetching frame 37 to rotate through the eccentric bearing 38, so that the water fetching wheel 372 on the water fetching frame 37 is driven to move up and down, and the water pumping membrane area 363 and the creeping piece 365 of the diaphragm 36 are driven to move up and down; when the water pumping membrane area 363 and the peristaltic sheets 365 move upwards, the water pumping cavity 333 is in a negative pressure state, so that water in the noise reduction container 1 enters the water inlet ring groove 311 and enters the water pumping cavity 333 through the water inlet one-way valve 34; when the water pumping membrane area 363 and the peristaltic 365 move downwards, the water pumping cavity 333 is converted into a positive pressure state, water in the water pumping cavity 333 enters the water pumping groove 312 through the water outlet check valve 35, and is discharged out of the noise reduction RO booster pump assembly from the water outlet 52 through the water discharge pipe 53.

Referring to fig. 2, the noise reducing RO booster pump assembly is further provided with a support 55 within the mounting chamber 21 supported between the inside wall of the waterproof housing 2 and the motor housing 42. The outer side wall of the support member 55 is attached to the inner side wall of the waterproof case 2, and the inner side wall of the support member 55 is attached to the motor housing 42.

Referring to FIG. 2, the noise reducing RO booster pump assembly is also provided with a sound insulating cover plate 56 that covers the mounting opening 22. The shape of the soundproof cover 56 is adapted to the sectional shape of the installation chamber, and the soundproof cover 56 is made of a soundproof material.

With reference to fig. 1-9, the noise reduction principle of the noise reduction RO booster pump assembly described above is as follows: the RO booster pump 3 is arranged in the noise reduction container 1, water is filled in the noise reduction container 1, and the mounting opening 22 is covered by the sound insulation cover plate 56, so that part of noise generated by the RO booster pump 3 can be weakened by the water in the noise reduction container 1, and the other part of noise can be weakened by the sound insulation cover plate 56, so that the noise generated by the noise reduction RO booster pump assembly is smaller, and the noise reduction RO booster pump assembly can keep a quieter state during operation.

Example 2

The application also discloses a water purifier, which comprises the noise-reducing RO booster pump assembly in embodiment 1.

Example 3

Referring to FIG. 10, a noise-reducing RO booster pump assembly includes a noise-reducing tank 1 and an RO booster pump 3.

Referring to fig. 10, the noise reduction container 1 includes a noise reduction outer tub 11 and a noise reduction end cap 12 for covering an end opening of the noise reduction outer tub 11. The noise reduction end cover 12 is mounted on the noise reduction outer barrel 11 through ultrasonic welding. The noise reduction container 1 has an accommodation chamber 13. The RO booster pump 3 is vertically arranged within the accommodation chamber 13 of the noise reduction vessel 1, and the pump head of the RO booster pump 3 is located at the top of the RO booster pump 3.

The RO booster pump 3 in this embodiment may be the RO booster pump 3 in embodiment 1, or may be an RO booster pump 3 of another type, but the RO booster pump 3 may have a function of pumping water and boosting pressure.

Referring to fig. 10, a water inlet pipe 57 is connected to a water inlet of the RO booster pump 3, and a water pumping pipe 58 is connected to a water pumping port of the RO booster pump 3. The water inlet pipe 57 and the pump water pipe 58 both penetrate through the noise reduction end cover 12. The opening of the inlet pipe 57 away from the RO booster pump 3 is a water inlet 51, and the opening of the pumping pipe 58 away from the RO booster pump 3 is a water outlet 52.

Referring to fig. 10, a soundproof filler 6 for supporting the RO booster pump 3 is further provided in the noise reduction container 1. The soundproof filler 6 includes a soundproof bottom block 61 supported at the bottom of the RO booster pump 3, a soundproof sleeve 62 located outside the RO booster pump 3, and a soundproof top cover 63 located at the top of the RO booster pump 3.

The sound insulation bottom block 61 is provided with a lower positioning groove 611 on the top surface, which is matched with the bottom structure of the RO booster pump 3. The outer side wall of the sound insulation sleeve 62 is attached to the inner side wall of the noise reduction outer barrel 11. The bottom of the sound insulation top cover 63 is provided with an upper positioning groove 631 matched with the top structure of the RO booster pump 3. Wherein the soundproof top cover 63 is further provided with through holes for the water supply pipe 57 and the pump water pipe 58 to pass through.

The implementation principle of the RO booster pump subassembly of making an uproar falls in the embodiment of this application does: the RO booster pump 3 is arranged in the noise reduction container 1, and the noise generated by the RO booster pump 3 is weakened by the sound insulation filler 6, so that the noise generated by the noise reduction RO booster pump assembly is small.

Example 4

The application also discloses a water purifier, which comprises the noise-reducing RO booster pump assembly in embodiment 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A noise reducing RO booster pump assembly comprising an RO booster pump (3), the RO booster pump (3) comprising a pump head housing (31), a pump head assembly and a drive member (4); the noise reduction device is characterized by also comprising a noise reduction container (1); the RO booster pump (3) extends into the noise reduction container (1), and the pump head shell (31) and the pump head assembly are both positioned on the inner side of the noise reduction container (1); the noise reducing RO booster pump assembly has a water inlet (51) and a water outlet (52); the RO booster pump (3) can pump the water from the water inlet (51) into the noise-reducing RO booster pump assembly and discharge the water through the water outlet (52).

2. A noise reducing RO booster pump assembly according to claim 1, characterized in that a waterproof cover (2) is further sleeved outside the RO booster pump (3); one end sealing connection of buckler (2) is in on pump head casing (31), the other end sealing connection of buckler (2) is in on noise reduction container (1).

3. A noise reducing RO booster pump assembly according to claim 2, wherein the waterproof shield (2) and the pump head housing (31) are configured to form a mounting chamber (21); the drive element (4) is also disposed within the mounting chamber (21).

4. A noise reducing RO booster pump assembly according to claim 3, characterized in that the noise reducing vessel (1) is provided with mounting openings (22) in a side wall corresponding to the mounting chambers (21); the noise-reducing RO booster pump assembly further comprises a sound-insulating cover plate (56) for covering the mounting opening (22).

5. A noise reducing RO booster pump assembly according to claim 4, characterized in that the noise reducing container (1) comprises an open-ended noise reducing outer barrel (11) and a noise reducing end cap (12) sealing the opening of the noise reducing outer barrel (11), the waterproof cover (2) being connected to the noise reducing end cap (12).

6. A noise reducing RO booster pump assembly according to claim 5, characterized in that the water shield (2), the noise reducing end cap (12) and the pump head housing (31) are integrally provided.

7. A noise reducing RO booster pump assembly according to claim 3, wherein a support (55) is provided within the mounting chamber (21) supported between the waterproof shield (2) and the RO booster pump (3).

8. A noise reducing RO booster pump assembly according to claim 1, wherein the noise reducing housing is provided with a water inlet fitting (121) and a water drain fitting (122); the water inlet (51) is arranged on the water inlet joint (121), and the water outlet (52) is arranged on the water outlet joint (122); the water inlet joint (121) is communicated with the inner cavity of the noise reduction container (1); a water inlet (314) of the RO booster pump (3) is communicated with the inner cavity of the noise reduction container (1); and a pump water port (315) of the RO booster pump (3) is connected with the drainage joint (122) through a drainage pipe (53).

9. A noise reducing RO booster pump assembly according to claim 1, characterized in that the noise reducing vessel (1) is filled with a sound insulating filler (6).

10. A water purifier comprising the noise reducing RO booster pump assembly of any one of claims 1 to 9.

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