CN217898138U

CN217898138U - RO pump of making an uproar falls

Info

Publication number: CN217898138U
Application number: CN202221376338.3U
Authority: CN
Inventors: 叶斌海; 孙铭; 高博
Original assignee: Ningbo Lijia Qingshi Electric Technology Co ltd
Current assignee: Ningbo Lijia Qingshi Electric Technology Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-11-25
Anticipated expiration: 2032-06-02

Abstract

The application relates to a noise reduction RO pump, which relates to the technical field of RO pumps and comprises a pump cover and a control bracket; the pump cover is provided with an inner cavity; the pump cover is characterized in that the pump cover is provided with a partition part for vertically partitioning the inner cavity, and the partition part partitions the inner cavity into a noise reduction cavity far away from the control bracket and a control cavity close to the control bracket; the pump cover is provided with a separation convex ring which is in sealing butt joint with the control bracket, a high-pressure chamber positioned on the inner side of the separation convex ring and a low-pressure chamber positioned on the outer side of the convex ring are formed between the pump cover and the control bracket, and the control piece is used for controlling the communication/closing of the high-pressure chamber and the low-pressure chamber; the partition part is provided with a water inlet channel communicated with the low-pressure cavity and a water outlet channel communicated with the noise reduction cavity, and the partition part is provided with a through hole for communicating the high-pressure cavity with the noise reduction cavity. This application has the effect that reduces RO pump noise when using.

Description

RO pump of making an uproar falls

Technical Field

The utility model belongs to the technical field of the RO pump technique and specifically relates to a RO pump of making an uproar falls is related to.

Background

The RO pump is called as a reverse osmosis membrane booster pump, has the functions of self-absorption and pressurization, and is one of the key important components of the RO water purifier.

The RO pump mainly comprises an RO pump head and a driving motor, wherein a diaphragm right opposite to the driving motor is arranged on the RO pump head, an eccentric swinging wheel and a three-cam water pumping assembly closely matched with the eccentric swinging wheel are installed at the output end of the driving motor, and when the driving motor drives the eccentric swinging wheel to operate, the three-cam water pumping support assembly moves in a reciprocating mode, so that the diaphragm in the RO pump head is driven to move in a reciprocating mode, and the functions of self suction and pressurization of the RO pump are achieved.

To the above-mentioned correlation technique, the inventor thinks that when the RO pump was used, the rivers in the pump head constantly impacted the pump head inner wall, made the RO pump send a large amount of noises when using, did not have better structure at present and can reduce the noise that the RO pump produced in the use.

SUMMERY OF THE UTILITY MODEL

In order to reduce the noise of RO pump when using, this application provides one kind and falls RO pump of making an uproar.

The application provides a RO pump of making an uproar falls adopts following technical scheme:

a noise reduction RO pump comprises a pump cover and a control bracket; the pump cover is provided with an inner cavity; the pump cover is characterized in that the pump cover is provided with a partition part for vertically partitioning the inner cavity, and the partition part partitions the inner cavity into a noise reduction cavity far away from the control bracket and a control cavity close to the control bracket; the pump cover is provided with a separation convex ring which is in sealing butt joint with the control support, a high-pressure chamber positioned on the inner side of the separation convex ring and a low-pressure chamber positioned on the outer side of the convex ring are formed between the pump cover and the control support, and the control element is used for controlling the communication/closing of the high-pressure chamber and the low-pressure chamber; the partition part is provided with a water inlet channel communicated with the low-pressure cavity and a water outlet channel communicated with the noise reduction cavity, and the partition part is provided with a through hole for communicating the high-pressure cavity with the noise reduction cavity.

Through adopting above-mentioned technical scheme, fall the cavity of making an uproar through setting up, the inside water of pump cover strikes the inner wall of high pressure cavity earlier, fall the cavity of making an uproar from the high pressure cavity inflow again, rivers strike the sound in the high pressure cavity and need transmit earlier to fall the cavity of making an uproar in, transmit to the external world again, it can completely cut off the noise in a large number to fall the cavity of making an uproar, reduce the noise of RO pump when using, and rivers flow to fall the cavity of making an uproar from the high pressure cavity and will fall the cavity of making an uproar and fill up, rivers noise reduction, thereby reduce the noise of RO pump when using.

Optionally, the through holes are provided in plurality, and the through holes are axially arranged at intervals along the separation convex ring.

Through adopting above-mentioned technical scheme, through setting up a plurality of through-holes, will originally the great through-hole of diameter change into the less through-hole of a plurality of diameters, make the rivers that pass through the through-hole reduce to reduce rivers to falling the impact force of making an uproar cavity wall impact, and then reduced the noise of RO pump when using.

Optionally, the pump cover includes a pump case and an end cover, the end cover is disposed at an end of the pump case far away from the control bracket, the end cover seals the noise reduction chamber, and a sealing ring is disposed between the pump case and the end cover.

Through adopting above-mentioned technical scheme, through setting up the sealing ring between pump case and end cover, pump case and end cover extrude the sealing ring, make the sealing ring take place deformation, sealing ring deformation carries out the shutoff to the gap between pump case and the end cover, reduces the risk that the RO pump leaked.

Optionally, one end of the end cover close to the pump casing is provided with an abutting part, and the abutting part abuts against the sealing ring.

Through adopting above-mentioned technical scheme, through set up butt portion on the end cover, butt portion butt sealing ring makes sealing ring deformation degree bigger, carries out the shutoff well to the clearance between end cover and the pump case to reduce the risk that the RO pump leaked.

Optionally, one end of the end cover, which is far away from the pump case, is provided with a plurality of reinforcing ribs, and the plurality of reinforcing ribs are circumferentially arranged along the end face of the pump case at intervals.

Through adopting above-mentioned technical scheme, through setting up many strengthening ribs on the end cover, the structural strength to the end cover can be strengthened to the strengthening rib to make the end cover can better bear the water pressure of rivers, and then reduce the risk that the end cover pressurized and damaged.

Optionally, a plurality of bolts are circumferentially arranged on the end face of the end cover, and the end cover is fixed on the pump shell through the bolts.

Through adopting above-mentioned technical scheme, through setting up a plurality of bolts, a plurality of bolts are fixed in the pump case with the end cover on, make the fixed of end cover and pump case more stable.

Optionally, the end cover is provided with a countersunk hole for the bolt to sink into.

By adopting the technical scheme, the countersunk hole for the bolt to sink is formed in the end cover, so that the bolt is not exposed outside the end cover, the risk that the bolt is touched by the outside is reduced, the bolt is fixed more stably, and the connection between the end cover and the pump shell is more stable.

Optionally, the pump case is provided with a pressure relief valve in the noise reduction cavity, the pump case is provided with a mounting groove at the bottom of the noise reduction cavity for mounting the pressure relief valve, and the mounting groove is communicated with the high-pressure cavity and the low-pressure cavity respectively.

Through adopting above-mentioned technical scheme, because the space of high pressure chamber and low pressure chamber is less, is difficult to bear the high pressure of rivers, through setting up the relief valve, the cavity of making an uproar will fall of relief valve respectively with high pressure chamber, low pressure chamber intercommunication, rivers in the high pressure chamber can flow to the low pressure chamber in, reduce the water pressure in the high pressure chamber to make the use of RO pump more stable.

Optionally, a butting column is arranged in the high-pressure chamber of the pump shell, and the butting column butts against the control bracket.

Through adopting above-mentioned technical scheme, through setting up the butt post, the butt post carries out the butt to control support, makes control support's fixed more stable.

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

1. the noise reduction RO pump is provided with the noise reduction chamber, so that the noise of the RO pump in use is reduced;

2. the noise reduction RO pump reduces the noise of the RO pump in use by arranging a plurality of through holes;

3. the utility model provides a use more stable that RO pump of making an uproar falls makes RO pump through setting up the relief valve.

Drawings

FIG. 1 is a schematic diagram of a noise reducing RO pump;

FIG. 2 is an exploded view of a noise reducing RO pump;

FIG. 3 is a cross-sectional view of a noise reducing RO pump;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a cross-sectional view of a second perspective of the noise reducing RO pump.

Description of reference numerals:

1. a pump cover; 11. an end cap; 111. a countersunk groove; 1111. a bolt; 112. reinforcing ribs; 113. an abutting portion; 12. a pump housing; 121. a partition portion; 1211. a through hole; 1212. a water inlet channel; 1213. a water outlet channel; 1214. a butting post; 122. a noise reduction chamber; 1221. mounting grooves; 12211. a second connection hole; 12212. a first connection hole; 123. a separating convex ring; 1231. a connecting ring; 124. a high pressure chamber; 125. a low pressure chamber; 126. a ring groove; 1261. a seal ring; 2. a connecting frame; 22. a yielding groove; 3. a motor casing; 4. a water fetching component; 41. an eccentric wheel; 411. a butting ring; 42. a bearing; 43. a fixed mount; 431. embedding a groove; 44. a vibrating membrane; 441. a collar; 442. sealing sleeves; 45. a control bracket; 451. an inner ring; 4511. a water outlet; 4512. inserting grooves; 45121. a sliding rod is arranged; 45122. a snap ring; 45123. an upper plugging cap; 4513. a clamping groove; 4514. a sealing groove; 45141. a seal ring; 452. a water beating part; 4521. a water pumping cavity; 4522. a water inlet; 4523. a first sliding groove; 45231. a lower sliding rod; 45232. a limiting ring; 45233. a lower plugging cap; 5. a pressure relief valve; 6. an electric motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

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

Referring to fig. 1, a noise reduction RO pump includes a pump cover 1, a connecting frame 2 and a motor casing 3 arranged in sequence from top to bottom.

Referring to fig. 1 and 2, the pump cover 1 includes a pump case 12 and an end cover 11 covering the pump case 12. The end of the pump housing 12 remote from the end cap 11 is arranged on the connecting bracket 2. The end cover 11, the pump shell 12, the connecting frame 2 and the motor shell 3 are fixed through a plurality of bolts 1111, and the bolts 1111 are axially and uniformly arranged at intervals. The motor casing 3 is provided with screw holes for the bolts 1111 to be connected in a threaded manner, and the pump casing 12, the pump cover 1 and the connecting frame 2 are provided with through holes corresponding to the screw holes. The bolt 1111 passes through the through holes of the pump shell 12, the pump cover 1 and the connecting frame 2 and is connected in the screw hole in a threaded manner. The end of the end cover 11 far away from the pump shell 12 is provided with a countersunk groove 111, and the head of the screw rod is sunk into the countersunk groove 111, so that the screw rod does not protrude out of the end cover 11.

The pump shell 12 is provided with a ring groove 126 at one end close to the end cover 11, a sealing ring 1261 is embedded in the ring groove 126, a butting part 113 is integrally and vertically arranged at one end of the end cover 11 close to the pump shell 12, and the butting part 113 butts against the sealing ring 1261. The abutting portion 113 abuts on the seal ring 1261 to increase the degree of deformation of the seal ring 1261, and a gap between the end cap 11 and the pump case 12 is sealed off well, thereby reducing the risk of water leakage of the RO pump.

The end, far away from the pump shell 12, of the end cover 11 is integrally provided with a plurality of reinforcing ribs 112, the reinforcing ribs 112 are uniformly arranged at intervals along the circumferential direction of the end face of the end cover 11, and the reinforcing ribs 112 are arranged to reinforce the structural strength of the end cover 11.

A motor 6 is arranged in the motor shell 3, and an output shaft of the motor 6 is arranged towards the direction of the connecting frame 2.

Referring to fig. 3, a water fetching assembly 4 is arranged in the connecting frame 2, and the water fetching assembly 4 comprises an eccentric wheel 41, a bearing 42, a fixing frame 43, a vibrating membrane 44 and a control bracket 45.

The eccentric wheel 41 is connected to the output shaft of the motor 6 through a key. One end of the eccentric wheel 41 far away from the connecting frame 2 is integrally and coaxially provided with a butting ring 411, and an inner ring 451 of the bearing 42 is sleeved on the outer side wall of the eccentric wheel 41 and is butted against the butting ring 411. An embedding groove 431 is formed at one end of the fixing frame 43, and the fixing frame 43 is inserted into the outer ring of the bearing 42 through the embedding groove 431. The vibrating diaphragm 44 is fixed to one end, far away from the bearing 42, of the fixing frame 43 through the bolt 1111, the abdicating groove 22 is formed in the inner side wall of the connecting frame 2, the lantern ring 441 is coaxially arranged on the outer peripheral wall of the vibrating diaphragm 44, the lantern ring 441 abuts against the groove wall of the abdicating groove 22, a sealing sleeve 442 is arranged between the lantern ring 441 and the groove wall of the abdicating groove 22, and the outer side wall of the control support 45 is sleeved with the sealing sleeve 442. The control bracket 45 is arranged at one end of the diaphragm 44 remote from the eccentric 41.

An inner cavity is formed in one end, close to the control support 45, of the pump cover 1, and the control support 45 is located in the inner cavity. The pump cover 1 is integrally provided with a partition 121 which partitions the inner cavity up and down in the inner cavity, and the partition 121 partitions the inner cavity into a noise reduction chamber 122 which is far away from the control bracket 45 and a control chamber which is close to the control bracket 45. A partition protrusion ring 123 is integrally provided at one end of the partition portion 121 close to the control bracket 45, and the partition protrusion ring 123 abuts against the control bracket 45. The pump cover 1 and the control bracket 45 form a low-pressure chamber 125 located outside the separating convex ring 123 and a high-pressure chamber 124 located inside the separating convex ring 123, the bottom of the noise reduction chamber 122 is provided with a plurality of through holes 1211, the plurality of through holes 1211 are axially arranged along the separating convex ring 123 at intervals, and the through holes 1211 penetrate through the separating part 121 and are communicated with the high-pressure chamber 124. The partition 121 has a water inlet channel 1212 and a water outlet channel 1213, one end of the water inlet channel 1212 is communicated with the outside, and the other end of the water inlet channel 1212 is communicated with the low pressure chamber 125. One end of the water outlet channel 1213 is communicated with the outside, and the other end of the water outlet channel 1213 is communicated with the noise reduction chamber 122.

Referring to fig. 3 and 4, the control bracket 45 includes an inner ring 451 and water beating members 452 integrally disposed outside the inner ring 451, and five groups of the water beating members 452 are disposed, and the five groups of the water beating members 452 are circumferentially and uniformly disposed on the outer circumferential wall of the inner ring 451. A water fetching cavity 4521 is formed between the water fetching piece 452 and the vibrating membrane 44. The water beating piece 452 is provided with a water inlet 4522 at the bottom of a water beating cavity 4521, the water inlet 4522 penetrates through the water beating piece 452 and is communicated with the low-pressure cavity 125, the water beating piece 452 is provided with a first sliding groove 4523 at the bottom of the water beating cavity 4521, a lower sliding rod 45231 is inserted in the first sliding groove 4523 in a sliding and inserting manner, a limit ring 45232 is coaxially arranged on the outer peripheral wall of the lower sliding rod 45231 integrally, the limit ring 45232 abuts against the water beating piece 452, the lower sliding rod 45231 vertically penetrates into the water beating cavity 4521, a lower blocking cap 45233 is coaxially arranged at one end, close to the vibrating membrane 44, of the lower sliding rod 45231 integrally and blocks the water inlet 4522 through the lower blocking cap 45233. A water outlet 4511 is formed in one end, close to the separating ring, of the inner ring 451, the water outlet 4511 penetrates through the inner ring 451 and is communicated with the high-pressure chamber 124, an insertion groove 4512 is formed in one end, close to the separating ring, of the inner ring 451, an upper sliding rod 45121 is inserted in the insertion groove 4512 in a sliding and insertion mode, a clamping ring 45122 is integrally and coaxially arranged on the outer peripheral wall of the upper sliding rod 45121, a clamping groove 4513 for clamping the clamping ring 45122 is formed in one end, close to the vibrating membrane 44, of the inner ring 451, an upper blocking cap 45123 is integrally and coaxially arranged at one end, close to the separating ring, of the upper sliding rod 45121, and the upper blocking cap 45123 blocks the water outlet 4511.

The motor 6 rotates, the output shaft of the motor 6 drives the eccentric wheel 41 to do eccentric motion, and then the eccentric wheel is converted into a vibration film 44 connected with the eccentric wheel 41 to do up-and-down reciprocating motion, the vibration film 44 drives the control rack to do up-and-down reciprocating motion, so that the upper blocking cap 45123 and the lower blocking cap 45233 generate reciprocating suction and extrusion phenomena for use, the lower blocking cap 45233 is opened and sucks water into the water pumping cavity 4521 under the action of vacuum suction, when the output shaft of the motor 6 rotates for a certain angle, the water pumping piece 452 gradually changes from the original up-and-down motion into the down-and-up motion to extrude the sucked water upwards, when the pressure is larger than the pressure of the upper blocking cap 45123, the upper blocking cap 45123 is opened, water flows into the high-pressure cavity 124 from the water pumping cavity 4521, after the high-pressure cavity 124 is filled with water, the water enters the noise reduction cavity 122 from a plurality of through holes 1211, the water flows into the water outflow channel 1213 from the internal flow 122, and then flows out from the water outflow channel 1213.

Referring to fig. 4, an abutment column 1214 is integrally provided at one end of the partition portion 121 close to the diaphragm 44, the abutment column 1214 is located in the high-pressure chamber 124, and the abutment column 1214 abuts against the upper plug cap 45123, thereby stabilizing the fixation of the upper slide bar 45121.

A sealing groove 4514 is formed in one end, far away from the vibrating membrane 44, of the inner ring 451, a sealing ring 45141 is embedded into the sealing groove 4514, a connecting ring 1231 is integrally and coaxially arranged at one end, close to the inner ring 451, of the separating ring, and the connecting ring 1231 abuts against a sealing ring 45141. The connecting ring 1231 extrudes the sealing ring 45141 to deform the sealing ring 45141, and the sealing ring 45141 seals a gap between the connecting ring 1231 and the inner ring 451, so that the sealing performance of the high-pressure chamber 124 is improved.

Referring to fig. 5, the pump case 12 has an installation groove 1221 at the bottom of the noise reduction cavity 122, the pump case 12 has a first connection hole 12212 and a second connection hole 12211 at the bottom of the installation groove 1221, the first connection hole 12212 penetrates through the partition 121 and communicates with the low-pressure cavity 125, the second connection hole 12211 penetrates through the partition 121 and communicates with the high-pressure cavity 124, the relief valve 5 is installed in the installation groove 1221, and the relief valve 5 separates the first connection hole 12212 and the second connection hole 12211. When the pressure in the high pressure chamber 124 becomes excessive, the pressure relief valve 5 is lifted upward and water can flow from the high pressure chamber 124 into the low pressure chamber 125, reducing the pressure in the high pressure chamber 124.

The implementation principle of the noise-reduction RO pump in the embodiment of the application is as follows: the water flows from the high pressure chamber 124 to the noise reduction chamber 122, and the plurality of through holes 1211 divide the water to reduce the noise of the water flow impacting the noise reduction chamber 122, so that when the noise reduction chamber 122 is filled with the water, the water can reduce the noise in the high pressure chamber 124 and the noise of the RO pump in use.

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

1. A noise reducing RO pump characterized by: comprises a pump cover (1) and a control bracket (45); the pump cover (1) is provided with an inner cavity, the pump cover (1) is provided with a partition part (121) for vertically partitioning the inner cavity, and the partition part (121) partitions the inner cavity into a noise reduction cavity (122) far away from the control support (45) and a control cavity close to the control support (45); the pump cover (1) is provided with a separation convex ring (123) which is in sealing and abutting joint with the control support (45), a high-pressure chamber (124) which is positioned on the inner side of the separation convex ring (123) and a low-pressure chamber (125) which is positioned on the outer side of the convex ring are formed between the pump cover (1) and the control support (45), and the control support (45) is used for controlling the communication/closing of the high-pressure chamber (124) and the low-pressure chamber (125); the partition part (121) is provided with a water inlet channel (1212) communicated with the low-pressure chamber (125) and a water outlet channel (1213) communicated with the noise reduction chamber (122), and a through hole (1211) for communicating the high-pressure chamber (124) with the noise reduction chamber (122) is formed in the partition part (121).

2. A noise reducing RO pump according to claim 1, wherein: the through holes (1211) are arranged in a plurality, and the through holes (1211) are arranged at intervals along the axial direction of the separation convex ring (123).

3. A noise reducing RO pump according to claim 1, wherein: the pump cover (1) comprises a pump shell (12) and an end cover (11), wherein the end cover (11) is arranged at one end, far away from the pump shell (12), of the control support (45), the end cover (11) is used for sealing the noise reduction cavity (122), and a sealing ring (1261) is arranged between the pump shell (12) and the end cover (11).

4. A noise reducing RO pump according to claim 3, wherein: one end, close to the pump shell (12), of the end cover (11) is provided with a contact part (113), and the contact part (113) is in contact with the sealing ring (1261).

5. A noise reducing RO pump according to claim 3, wherein: one end, far away from the pump shell (12), of the end cover (11) is provided with a plurality of reinforcing ribs (112), and the plurality of reinforcing ribs (112) are evenly arranged at intervals along the circumferential direction of the end face of the pump shell (12).

6. A noise reducing RO pump according to claim 3, wherein: the end face of the end cover (11) is circumferentially provided with a plurality of bolts (1111), and the end cover (11) is fixed on the pump shell (12) through the bolts (1111).

7. A noise reducing RO pump according to claim 6, characterized by: the end cover (11) is provided with a countersunk hole for the bolt (1111) to sink into.

8. A noise reducing RO pump according to claim 3, wherein: the pump case (12) in it is provided with relief valve (5) to fall to make an uproar in cavity (122), pump case (12) in it offers the confession to fall to make an uproar at the bottom of cavity (122) the mounting groove (1221) of relief valve (5) installation, mounting groove (1221) respectively with high pressure chamber (124), low pressure chamber (125) communicate with each other.

9. A noise reducing RO pump according to claim 3, wherein: the pump casing (12) is provided with a support column (1214) in the high pressure chamber (124), and the support column (1214) is supported against the control bracket (45).