CN211819886U

CN211819886U - Noise reduction device of booster pump

Info

Publication number: CN211819886U
Application number: CN202020046977.8U
Authority: CN
Inventors: 徐永超
Original assignee: Ningbo Keyile Environmental Protection Technology Co ltd
Current assignee: Ningbo Keyile Environmental Protection Technology Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-10-30
Anticipated expiration: 2030-01-09

Abstract

The utility model relates to a device of making an uproar falls in booster pump relates to supercharging equipment's technical field, including water purifier casing and erection support, still including sound insulation section of thick bamboo and connecting piece, be provided with the installation cavity that supplies the pump body to wear to establish in the sound insulation section of thick bamboo, be provided with on the inside wall of sound insulation section of thick bamboo and inhale the cotton layer of sound, sound insulation section of thick bamboo and pump body fixed connection, erection support set up on sound insulation section of thick bamboo's lateral wall and with sound insulation section of thick bamboo fixed connection, erection support passes through connecting piece interconnect with the water purifier casing. The utility model discloses a booster pump can alleviate the noise that the booster pump that people heard produced in the use.

Description

Noise reduction device of booster pump

Technical Field

The utility model belongs to the technical field of supercharging equipment's technique and specifically relates to a device of making an uproar falls in booster pump is related to.

Background

The water purifier is a water treatment device for deeply filtering and purifying water according to the use requirement of water, is commonly used in families, and is usually required to be pressurized by a booster pump in order to meet the pressure requirement of inlet water passing through a filtering membrane.

The utility model discloses a utility model with publication number CN206985746U discloses a simple and easy fixed knot of water purifier booster pump constructs, include the water purifier casing and set up the booster pump in the water purifier casing, water purifier casing middle part is provided with the locating plate, is provided with the screw on the locating plate, an organic whole is provided with the enhancement stand that is the u type in locating plate rear side, tip is provided with the spacing piece of vertical installation and the booster pump positioning channel groove that forms by spacing piece and locating plate lower extreme under the front side of locating plate, one side an organic whole of spacing piece is provided with a plurality of enhancement pieces, the lateral wall of booster pump is provided with the installation piece, and the installation piece corresponds the locating plate.

The utility model discloses a utility model with publication number CN208024545U discloses a damper for water purifier booster pump, its concrete mounting means who discloses booster pump and water purifier casing, it is in the same place booster pump and water purifier casing installation through erection support and damper assembly, and erection support also carries out relatively fixed through bolted connection's mode with the booster pump.

Fig. 1 is a schematic structural diagram of a commonly used booster pump, which is adapted to the mounting base (positioning plate) and the water purifier housing in the prior art for mounting, and includes a pump cover 31 and a pump body 32, wherein an annular groove 33 formed by chamfering the pump cover 31 and the pump body 32 is formed at a joint of the pump cover 31 and the pump body 32, and an electric wire 34 is disposed on a side of the pump body 32 away from the pump cover 31.

The above prior art solutions have the following drawbacks: the booster pump can also produce certain noise because the motor rotation in the inside of pressure boost in-process pump body, and booster pump self simultaneously also can produce certain noise because the shake, although damper can alleviate the noise that causes because the booster pump shake, but the inside noise that produces of booster pump is unable to be solved, and domestic purifier at present stage all develops to the direction of noiseless silence, so the urgent need for a device can alleviate the noise that the booster pump produced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device of making an uproar falls in booster pump that alleviates the noise that the booster pump produced to the not enough of prior art existence.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a device of making an uproar falls in booster pump, includes water purifier casing and erection support, still including a sound insulation section of thick bamboo and connecting piece, be provided with the installation cavity that supplies the pump body to wear to establish in the sound insulation section of thick bamboo, be provided with on the inside wall of sound insulation section of thick bamboo and inhale the cotton layer of sound, sound insulation section of thick bamboo and pump body fixed connection, the erection support set up on the lateral wall of sound insulation section of thick bamboo and with sound insulation section of thick bamboo fixed connection, the erection support passes through connecting piece interconnect with the water purifier casing.

Through adopting above-mentioned technical scheme, inhale the cotton predominant use of sound and be used for the noise absorption, play the effect of certain isolated noise, the produced noise of active absorption booster pump in the course of the work, inhale the effect that the setting on cotton layer of sound can also play the buffering simultaneously, reduce the shake that the booster pump produced in the use to the influence of water purifier casing, the setting of sound insulating cylinder is in the fixed effect of inhaling the cotton layer of sound, can also further improve the isolated effect to the produced noise of booster pump, make the noise that the user heard in the use little, user's comfort level is high, make the overall device tend to silence and noiselessness in the course of the work.

The present invention may be further configured in a preferred embodiment as: still including being used for the fixed mounting that inhales the cotton layer of sound, the mounting includes arc butt joint board and fixing bolt, the arc butt joint board sets up in the cotton layer one side of keeping away from sound insulating cylinder of inhaling the sound, sound insulating cylinder and inhale all to be provided with the through hole that supplies fixing bolt to run through on the cotton layer of sound, arc butt joint board and fixing bolt threaded connection.

Through adopting above-mentioned technical scheme, through arc butt joint board and fixing bolt threaded connection, arc butt joint board is supported tightly to a sound insulation section of thick bamboo to will inhale the cotton layer of sound and press from both sides tightly, realized attracting this kind of fixed mode simple structure of the purpose of surface course and a sound insulation section of thick bamboo relatively fixed, it is fixed reliable, conveniently install simultaneously.

The present invention may be further configured in a preferred embodiment as: the mounting sets up in the ascending both ends of sound insulation section of thick bamboo edge axis direction, just be located the installation cavity bottom in the sound insulation section of thick bamboo and be provided with the cotton pad of inhaling sound.

Through adopting above-mentioned technical scheme, the mounting sets up and has played fixed purpose in the mode at sound insulating cylinder both ends to the cotton layer of inhaling sound, makes the middle part on the cotton layer of inhaling sound can with the mutual butt of booster pump, inhales the one end that the cotton pad of sound setting kept away from the pump cover to the pump body and also can play the effect of inhaling the sound, further reduces noise reduction device's the sound effect of inhaling.

The present invention may be further configured in a preferred embodiment as: one side of the sound insulation barrel, which is far away from the pump cover, is provided with an opening, the sound insulation barrel is provided with an end cover which is fixedly clamped with the sound insulation barrel and is positioned at the opening, and the end cover is provided with a wiring groove which penetrates through the outer side wall of the end cover.

Through adopting above-mentioned technical scheme, the setting up of end cover is convenient to be installed the mounting of pump cover one side is kept away from to the installation cavity, conveniently fills simultaneously and inhales the cotton pad of sound, makes to inhale the cotton laminating effect with the booster pump of sound better, has improved noise reduction device's sound absorption effect, and the setting up of trough is convenient wears to establish the electric wire that the pump cover one end was kept away from to the pump body, makes things convenient for the electric wire to walk the line.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a sound insulation barrel, including the end cover, the lower extreme of end cover is provided with the joint piece, the joint piece includes the deformation piece that sets up with the end cover an organic whole and keeps away from the joint piece that end cover one side an organic whole set up with the deformation piece, be provided with the joint groove that supplies the joint piece to wear to establish on the sound insulation barrel.

Through adopting above-mentioned technical scheme, through the mutual joint in joint piece and joint groove for the end cover carries out relative fixed connection with a sound insulation section of thick bamboo, and the mode that the end cover joint is connected is convenient to be fixed the end cover, and the setting of joint formula is compared with threaded connection's mode, need not to rotate the end cover, has avoided the emergence of the condition that the electric wire is buckled, compares with bolt fastening's mode, need not to use extra instrument, and the installation rate is fast, and assembly efficiency is high.

The present invention may be further configured in a preferred embodiment as: the clamping block is provided with a guide surface opposite to the direction of the sound insulation cylinder in a penetrating mode.

Through adopting above-mentioned technical scheme, the setting up of spigot surface has made things convenient for the end cover directly to insert along the opening part of sound insulation section of thick bamboo, need not artifical manual pressing joint piece, has improved the installation effectiveness of installation end cover.

The present invention may be further configured in a preferred embodiment as: the mounting support is provided with a fixing screw which sequentially penetrates through the mounting support, the sound insulation barrel and the silencing cotton layer and is in threaded connection with the pump body.

Through adopting above-mentioned technical scheme, make sound insulation section of thick bamboo, erection support and booster pump can fixed connection relatively through set screw's setting, through the stability of fixed connection's mode reinforcing booster pump relatively, reduce the shake of booster pump, the mode that the screw is relatively fixed simultaneously is fixed reliable, simple to operate.

The present invention may be further configured in a preferred embodiment as: a plurality of connecting blocks are integrally arranged on one side, close to the pump cover, of the sound insulation cylinder, limiting blocks penetrating through the annular groove are integrally arranged on the connecting blocks, and the connecting blocks are circumferentially arranged at intervals on one side, close to the pump cover, of the sound insulation cylinder.

Through adopting above-mentioned technical scheme, wear to locate setting up in the annular groove through the stopper and make the sound insulating cylinder realize spacing relatively for the pump body, improve the joint strength between booster pump and the sound insulating cylinder, improve stability, the setting that the annular groove was worn to locate to the stopper simultaneously can also play fixing bolt and carry out the effect of pre-installation before fixing, makes things convenient for follow-up fixing bolt to carry out hole, improves assembly efficiency.

The present invention may be further configured in a preferred embodiment as: the connecting piece includes snubber block and connecting screw, be provided with the mounting hole on the erection support, be provided with the inlay card annular in the mounting hole of card on the snubber block, be provided with the hole of wearing to establish that supplies connecting screw to wear to establish in the snubber block, connecting screw and water purifier casing threaded connection.

Through adopting above-mentioned technical scheme, the setting of snubber block has played absorbing effect, and when the booster pump produced vibrations because of the operation, the snubber block absorbed the vibrations that produce, has reduced the vibrations of the water purifier casing that leads to because the booster pump vibrations, has improved the installation firmness of booster pump.

The present invention may be further configured in a preferred embodiment as: the water purifier shell is integrally provided with a butting pipe arranged around the circumferential direction of the damping block, and the outer side of the butting pipe is provided with a plurality of reinforcing ribs.

Through adopting above-mentioned technical scheme, the setting of butt pipe makes things convenient for the snubber block to install, can play the effect of pre-positioning installation simultaneously, and the setting of strengthening rib can improve the fixed strength when butt pipe is connected with the water purifier casing, improves the structural stability of junction.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the sound-absorbing cotton is mainly used for absorbing noise, plays a certain role in isolating the noise, effectively absorbs the noise generated by the booster pump in the working process, can play a role in buffering due to the arrangement of the sound-absorbing cotton layer, reduces the influence of jitter generated by the booster pump in the using process on a shell of the water purifier, can further improve the isolation effect on the noise generated by the booster pump due to the arrangement of the sound-insulating cylinder on the role of fixing the sound-absorbing cotton layer, ensures that the noise heard by a user in the using process is small, has high comfort level for the user, and ensures that the whole device tends to be silent and silent in the working process;

2. the end cover is arranged to facilitate installation of the fixing piece on one side of the installation cavity, which is far away from the pump cover, and filling of the sound absorption cotton pad;

3. the shock absorption block reduces the shock of the shell of the water purifier caused by the shock of the booster pump, and improves the installation firmness of the booster pump.

Drawings

Fig. 1 is a schematic view of the structure of a booster pump.

FIG. 2 is a schematic structural diagram of a noise reduction device of a booster pump in embodiment 1.

Fig. 3 is a schematic structural view of the sound tube in embodiment 1.

Fig. 4 is an enlarged schematic view of a portion a in fig. 2.

Fig. 5 is an enlarged schematic view of a portion B in fig. 3.

FIG. 6 is a schematic structural diagram of a noise reduction device of a booster pump in embodiment 1.

FIG. 7 is a sectional view of the noise reduction device of the booster pump in accordance with embodiment 1 at the fixing screws.

Fig. 8 is a sectional view of the joint member in example 1.

Fig. 9 is an exploded view of the end cap, the sound-absorbing cotton pad, and the sound-insulating tube in example 2.

Fig. 10 is an enlarged schematic view of portion C of fig. 9.

Fig. 11 is a cross-sectional view of the sound tube, end cap and snap-in fitting of example 2.

In the figure, 1, a water purifier shell; 2. mounting a support; 31. a pump cover; 32. a pump body; 33. an annular groove; 34. an electric wire; 4. a sound-insulating tube; 41. a mounting cavity; 42. a sound absorbing cotton layer; 5. a fixing member; 51. an arc abutting plate; 52. fixing the bolt; 6. A sound absorbing cotton pad; 71. connecting blocks; 72. a limiting block; 8. a set screw; 9. a connecting member; 91. a damper block; 92. a connecting screw; 93. butting the tubes; 94. reinforcing ribs; 95. mounting holes; 96. the ring groove is embedded in a clamping manner; 97. perforating holes; 98. connecting columns; 99. a gasket; 43. an opening; 10. an end cap; 101. a wiring groove; 102. a clamping piece; 103. a deformation block; 104. a clamping block; 44. a clamping groove; 105. a guide surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 2, for the utility model discloses a device of making an uproar falls in booster pump, including water purifier casing 1, erection support 2, a sound insulation section of thick bamboo 4, on the booster pump was located to 4 covers of a sound insulation section of thick bamboo, 4 fixed connection of a sound insulation section of thick bamboo on

erection support

2, 2 fixed connection of erection support are on water purifier casing 1, and sound is inhaled to the booster pump to the aim at of a sound insulation section of thick bamboo 4, reduce the produced noise of booster pump in the operation process.

Referring to fig. 1 and 3, the sound-proof cylinder 4 is provided with an installation cavity 41 for the pump body 32 to penetrate through, and the inner side wall of the sound-proof cylinder 4 is provided with a sound-absorbing cotton layer 42, wherein the sound-absorbing cotton is artificial inorganic fiber and is melted into glass by taking natural ores such as quartz sand, limestone, dolomite and the like as main raw materials and matching with chemical raw materials such as sodium carbonate, borax and the like. Under the melting state, the fiber is blown by external force and thrown into flocculent fine fibers, the fibers are crossed and intertwined with each other to form a plurality of fine gaps, and the noise can be effectively reduced.

In order to enable the sound absorption cotton layer 42 to be fixedly connected with the sound insulation cylinder 4 relatively, the sound insulation cylinder also comprises a fixing piece 5 for fixing the sound absorption cotton layer 42, the fixing piece 5 comprises an arc abutting plate 51 and a fixing bolt 52, the arc abutting plate 51 is arranged on one side of the sound absorption cotton layer 42 far away from the sound insulation cylinder 4, the sound insulation cylinder 4 and the sound absorption cotton layer 42 are respectively provided with a through hole for the fixing bolt 52 to pass through, the arc abutting plate 51 is in threaded connection with the fixing bolt 52, the end part of the fixing bolt 52 abuts against the outer wall of the sound insulation cylinder 4, the arc abutting plate 51 is continuously close to the sound insulation cylinder 4 through being in threaded connection with the arc abutting plate 51, so that the sound absorption cotton layer 42 is fixed on the sound insulation cylinder 4, in order to improve the fixing effect of the sound absorption cotton layer 42, the fixing piece 5 is provided with a plurality of pieces, and is arranged at two, the fixing pieces 5 are arranged at intervals in a circumferential direction.

The sound-absorbing cotton pad 6 is arranged in the sound-insulating cylinder 4 and at the bottom of the mounting cavity 41, and the sound-absorbing cotton pad 6 is abutted to one side of the pump body 32 away from the pump cover 31.

Referring to fig. 1 and 2, in the present embodiment, an electric wire 34 connected to one end of the pump body 32 remote from the pump cover 31 is attached to the outer surface of the booster pump and penetrates the sound-insulating tube 4 from the side close to the pump cover 31.

Referring to fig. 4 and 5, the sound insulation cylinder 4 is provided with a plurality of connecting blocks 71 near one side of the pump cover 31, the connecting blocks 71 are provided with limiting blocks 72 penetrating through the annular groove 33, the connecting blocks 71 are circumferentially spaced on one side of the sound insulation cylinder 4 near the pump cover 31, in this embodiment, the limiting blocks 72 are arranged in a triangular shape in cross section, one sharp ends of the limiting blocks penetrate through the annular groove 33, the inclined planes of the two sides also have a guiding effect, and the sound insulation cylinder 4 is convenient to install.

Referring to fig. 6 and 7, the mount base 2 is provided with a fixing screw 8 which penetrates the mount base 2, the sound-insulating cylinder 4, and the sound-absorbing cotton layer 42 in this order and is screwed to the pump body 32, and the fixing screw 8 and the sound-insulating cylinder 4 are also screwed together in order to improve the structural strength of the booster pump.

Referring to fig. 6 and 8, the mounting base 2 is relatively fixed to the water purifier housing 1 through a connector 9, the connector 9 includes a shock-absorbing block 91 and a connecting screw 92, an abutting pipe 93 disposed around the shock-absorbing block 91 is integrally disposed on the water purifier housing 1, and a plurality of reinforcing ribs 94 are disposed on the outer side of the abutting pipe 93; be provided with mounting hole 95 on erection support 2, be provided with the inlay card annular groove 96 in mounting hole 95 on the snubber block 91 of inlay card, be provided with the through-hole 97 that supplies connecting screw 92 to wear to establish in the snubber block 91, an organic whole is provided with the spliced pole 98 of wearing to locate in snubber block 91 on the water purifier casing 1, spliced pole 98 be used for with connecting screw 92 threaded connection, simultaneously for the connection stability who improves connecting screw 92, still be provided with gasket 99 between the tip of connecting screw 92 and the snubber block 91. In this embodiment, the damper block 91 is preferably made of rubber, and the damper block 91 is deformed to absorb the shock.

In the present embodiment, the connecting members 9 are preferably four and distributed two by two on two sides of the mounting support 2.

The implementation principle of the embodiment is as follows:

firstly, paving a silencing cotton layer on the inner wall of the sound insulation cylinder 4, installing the arc abutting plate 51 to a corresponding position, and then driving the fixing bolt 52 into the sound insulation cylinder 4 from the outer side of the sound insulation cylinder and connecting the fixing bolt with the arc abutting plate 51 in a threaded manner;

secondly, paving a silencing cotton pad into the sound insulation cylinder 4, and penetrating the sound insulation cylinder 4 along one side of the pump body of the booster pump, which is far away from the pump cover 31, so as to ensure that the limiting block 72 is penetrated in the annular groove 33;

then, the mounting support 2 is fixedly connected with the sound insulation cylinder 4 and the booster pump through the fixing screws 8;

finally, the damping block 91 is clamped and embedded into the mounting hole 95, the damping block 91 is arranged in the abutting pipe 93 in a penetrating mode, and after the gasket 99 is installed, the connecting bolt is in threaded connection with the connecting column 98 through the penetrating hole 97.

Example 2:

referring to fig. 9, the difference from embodiment 1 is that an opening 43 is provided on a side of the sound-insulating cylinder 4 away from the pump cover 31, an end cover 10 fastened and fixed to the sound-insulating cylinder 4 is provided at the opening 43 of the sound-insulating cylinder 4, a wire slot 101 penetrating through an outer side wall of the end cover 10 is provided on the end cover 10, and the electric wire 34 can penetrate through the end cover 10 from the wire slot 101, so as to facilitate the wiring and the installation of the sound-absorbing cotton pad 6 and the fixing member 5.

Referring to fig. 10 and 11, the below of end cover 10 is provided with joint spare 102, joint spare 102 includes the shape change piece 103 that sets up with end cover 10 an organic whole and keeps away from the integrative joint piece 104 that sets up in end cover 10 one side with shape change piece 103, be provided with the joint groove 44 that supplies joint piece 104 to wear to establish on the section of thick bamboo 4 that gives sound insulation, be provided with on the joint piece 104 and wear to establish the relative spigot surface 105 of the section of thick bamboo 4 direction that gives sound insulation with joint piece 104, in this embodiment, joint spare 102 is provided with four altogether, and be the setting of circumference interval, the mode that the interval set up makes things convenient for shape change piece 103 to.

The implementation principle of the embodiment is as follows:

secondly, the sound insulation barrel 4 is arranged in a penetrating manner along one side, away from the pump cover 31, of the pump body of the booster pump, and the limiting block 72 is ensured to be arranged in the annular groove 33 in a penetrating manner;

then, the silencing cotton pad is loaded along the opening 43 of the sound insulation cylinder 4, the electric wire 34 is pulled out and passes through the wiring groove 101, and the end cover 10 is covered, so that the end cover 10 is fixedly connected with the sound insulation cylinder 4.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a device of making an uproar falls in booster pump, includes water purifier casing (1) and erection support (2), its characterized in that: still including sound insulation section of thick bamboo (4) and connecting piece (9), be provided with installation cavity (41) that supply pump body (32) to wear to establish in sound insulation section of thick bamboo (4), be provided with on the inside wall of sound insulation section of thick bamboo (4) and inhale sound cotton layer (42), sound insulation section of thick bamboo (4) and pump body (32) fixed connection, erection support (2) set up on the lateral wall of sound insulation section of thick bamboo (4) and with sound insulation section of thick bamboo (4) fixed connection, erection support (2) pass through connecting piece (9) interconnect with water purifier casing (1).

2. The noise reduction device of a booster pump of claim 1, wherein: still including being used for fixed fixing element (5) of inhaling cotton layer of sound (42), fixing element (5) are including arc butt joint board (51) and fixing bolt (52), arc butt joint board (51) set up in the cotton layer of sound absorption (42) one side of keeping away from sound insulation section of thick bamboo (4), all be provided with the through hole that supplies fixing bolt (52) to run through on sound insulation section of thick bamboo (4) and the cotton layer of sound absorption (42), arc butt joint board (51) and fixing bolt (52) threaded connection.

3. The noise reduction device of the booster pump as claimed in claim 2, wherein: the fixing piece (5) is arranged at two ends of the sound insulation barrel (4) in the axial direction, and a sound absorption cotton pad (6) is arranged in the sound insulation barrel (4) and located at the bottom of the installation cavity (41).

4. A booster pump noise reduction apparatus as claimed in claim 3, wherein: one side of the sound insulation barrel (4) far away from the pump cover (31) is provided with an opening (43), the position of the sound insulation barrel (4) and located at the opening (43) is provided with an end cover (10) which is fixedly connected with the sound insulation barrel (4), and the end cover (10) is provided with a wiring groove (101) which penetrates through the outer side wall of the end cover (10).

5. The noise reduction device of the booster pump as claimed in claim 4, wherein: the utility model discloses a sound insulation barrel, including end cover (10), the below of end cover (10) is provided with joint spare (102), joint spare (102) include with the integrative shape change piece (103) that sets up of end cover (10) and keep away from joint piece (104) that end cover (10) one side an organic whole set up with shape change piece (103), be provided with joint groove (44) that supply joint piece (104) to wear to establish on sound insulation barrel (4).

6. The noise reduction device of a booster pump according to claim 5, wherein: the clamping block (104) is provided with a guide surface (105) opposite to the direction of the sound insulation barrel (4) in a penetrating way with the clamping block (104).

7. The noise reduction device of a booster pump of claim 1, wherein: the mounting support (2) is provided with a fixing screw (8) which sequentially penetrates through the mounting support (2), the sound insulation cylinder (4) and the silencing cotton layer and is in threaded connection with the pump body (32).

8. The noise reduction device of a booster pump of claim 7, wherein: a plurality of connecting blocks (71) are integrally arranged on one side, close to the pump cover (31), of the sound insulation barrel (4), limiting blocks (72) penetrating through the annular groove (33) are integrally arranged on the connecting blocks (71), and the plurality of connecting blocks (71) are circumferentially arranged at intervals on one side, close to the pump cover (31), of the sound insulation barrel (4).

9. The noise reduction device of a booster pump of claim 1, wherein: connecting piece (9) are including snubber block (91) and connecting screw (92), be provided with mounting hole (95) on installing support (2), be provided with inlay card annular (96) in mounting hole (95) on snubber block (91), be provided with wear-to-establish hole (97) that supply connecting screw (92) to wear to establish in snubber block (91), connecting screw (92) and water purifier casing (1) threaded connection.

10. The noise reduction device of a booster pump of claim 9, wherein: the water purifier is characterized in that a butting pipe (93) arranged around the circumferential direction of the damping block (91) is integrally arranged on the water purifier shell (1), and a plurality of reinforcing ribs (94) are arranged on the outer side of the butting pipe (93).