Five-cavity noise reduction RO (Reverse Osmosis) pump

Abstract

The utility model discloses a five-cavity noise reduction RO pump which comprises an upper shell, a pressure regulating top cover is installed on one side of the top end of the upper shell, cross recessed pan head self-tapping screws are installed on the two sides of the top end of the pressure regulating top cover, a pressure regulating jackscrew is arranged in the center of the top end of the pressure regulating top cover, and the bottom end of the pressure regulating jackscrew penetrates through the pressure regulating top cover and is provided with a pressure relief spring cover. A pressure relief spring piece is mounted at the bottom end of the pressure relief spring cover, a pressure relief spring seat is arranged at the end, away from the pressure relief spring cover, of the pressure relief spring piece, a lower shell is mounted at the bottom end of the upper shell, a front end cover is mounted at the end, away from the upper shell, of the lower shell, and a vibrating diaphragm is mounted on the upper surface of the lower shell; a diaphragm sealing ring is mounted at the edge of the top end of the vibrating diaphragm; and a control body is arranged on the inner side of the upper shell at the top end of the diaphragm sealing ring. According to the utility model, not only is the stability of the RO pump in use guaranteed, but also the working noise of the RO pump in use is reduced, and the sealing performance of the RO pump in use is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of RO pumps, in particular to a 5-cavity noise-reducing RO pump. Background Art

[0002] RO pumps are also commonly referred to as reverse osmosis diaphragm booster pumps. RO pumps have the functions of self-priming and boosting. They are one of the key components of RO water purifiers. With the rapid development of the water purification industry, RO pumps have also been widely used as core components in water purifiers.

[0003] A noise reduction RO pump with reference publication number CN217898138U comprises a pump cover and a control bracket; the pump cover has an inner cavity; the pump cover is characterized in that the pump cover is provided with a partition portion for dividing the inner cavity up and down, the partition portion divides the inner cavity into a noise reduction chamber away from the control bracket and a control chamber close to the control bracket; the pump cover has a partition convex ring that is sealed and abutted against the control bracket, a high-pressure chamber located on the inner side of the partition convex ring and a low-pressure chamber located on the outer side of the convex ring are formed between the pump cover and the control bracket, and the control member is used to Control the connection / closure of the high-pressure chamber and the low-pressure chamber; the partition has a water inlet channel connected to the low-pressure chamber and a water outlet channel connected to the noise reduction chamber, and the partition is provided with a through hole for connecting the high-pressure chamber and the noise reduction chamber. The present application has the effect of reducing the noise of the RO pump when in use. According to the above, although the RO pump can be well applied, it is usually not convenient to carry out pressure relief treatment by itself, which makes it difficult to automatically balance the water pressure of the RO pump, thereby affecting the stability of the RO pump when in use, which often troubles users. Utility Model Content

[0004] The purpose of the utility model is to provide a 5-chamber noise reduction RO pump to solve the problem in the above background technology that although the RO pump can be well applied, it is usually not convenient to carry out pressure relief treatment automatically, making it difficult to automatically balance the water pressure of the RO pump, thereby affecting the stability of the use of the RO pump.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a 5-chamber noise reduction RO pump, comprising an upper shell, a pressure-regulating top cover is installed on one side of the top of the upper shell, cross-slot pan head self-tapping screws are installed on both sides of the top of the pressure-regulating top cover, a pressure-regulating top screw is provided at the center position of the top of the pressure-regulating top cover, the bottom end of the pressure-regulating top screw passes through the pressure-regulating top cover and is provided with a pressure relief spring cover, a pressure relief valve sheet is provided inside the upper shell outside the pressure relief spring cover, a pressure relief spring member is installed at the bottom end of the pressure relief spring cover, a pressure relief spring seat is provided at one end of the pressure relief spring member away from the pressure relief spring cover, a lower shell is installed at the bottom end of the upper shell, a front end cover is installed at one end of the lower shell away from the upper shell, a vibration membrane is installed on the upper surface of the lower shell, a diaphragm sealing ring is installed at the edge position of the top of the vibration membrane, and a control body is provided on the inner side of the upper shell at the top of the diaphragm sealing ring.

[0006] Preferably, equally spaced hexagonal pan head screws are installed at the edge of the top of the upper shell, and the bottom end of the hexagonal pan head screw passes through the lower shell and is threadedly connected to the top of the front cover. The hexagonal pan head screw is arranged so that the upper shell and the front cover can be installed at both ends of the lower shell.

[0007] Preferably, a discharge valve is provided at the center of the top end of the control body, and an O-ring is provided at one end of the discharge valve away from the control body, so that the connection area of ​​the discharge valve can be shielded and sealed by the O-ring.

[0008] Preferably, pistons with equal spacing are provided at the top of the vibration membrane, locking screws are installed at the ends of the pistons away from the vibration membrane, and suction valves are provided on the sides of the pistons away from the vibration membrane. By setting five suction valves and other related components, the RO pump can be set as a five-chamber noise reduction structure.

[0009] Preferably, a vibrating body fixing frame is provided at the bottom end of the lower shell, and a first bearing is provided at the center position of the bottom end of the vibrating body fixing frame, and the first bearing is provided so as to facilitate the placement of the bearing cover retaining ring.

[0010] Preferably, a bearing cover retaining ring is installed at one end of the first bearing away from the vibrating body fixing frame, and the bottom end of the bearing cover retaining ring is installed with cross groove flat head self-tapping screws with equal intervals. The bearing cover retaining ring is installed on the bottom end of the first bearing through the setting of the cross groove flat head self-tapping screws.

[0011] Preferably, an eccentric wheel is provided on the lower surface of the first bearing inside the bearing cover retaining ring, and a second bearing is provided on the inner side of the front end cover at the bottom end of the eccentric wheel, so that the eccentric wheel can be placed.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the 5-chamber noise reduction RO pump not only ensures the stability of the RO pump when in use, but also reduces the working noise of the RO pump when in use, and ensures the sealing of the RO pump when in use;

[0013] (1) Through the arrangement of the pressure relief valve plate, the pressure relief spring seat, the pressure relief spring member, the pressure regulating top screw and the pressure relief spring cover, since the pressure relief spring member has good elastic pressure, and the pressure regulating top screw can adjust the elastic pressure of the pressure relief spring member on the pressure relief valve plate, the pressure relief process can be adaptively performed, so that the water flow in the high-pressure chamber inside the RO pump can flow into the low-pressure chamber, and the water pressure can be easily balanced and adjusted, thereby ensuring the stability of the RO pump during use;

[0014] (2) By arranging five suction valves and pistons between the control body and the lower shell, and arranging a vibrating body fixing frame between the lower shell and the front cover, the RO pump is set to a five-chamber noise reduction structure, thereby reducing the working noise of the RO pump when in use;

[0015] (3) By providing the diaphragm seal ring, the bearing cover retaining ring and the O-ring, the connection area between the vibration membrane, the second bearing and the discharge valve can be shielded and sealed, thereby ensuring the sealing performance of the RO pump during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the top view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the utility model when viewed from above.

[0020] In the figure: 1. cross recessed pan head tapping screw; 2. pressure regulating top cover; 3. pressure relief spring cover; 4. pressure relief spring seat; 5. upper shell; 6. control body; 7. locking screw; 8. diaphragm seal; 9. vibration membrane; 10. vibration body fixing frame; 11. first bearing; 12. cross recessed flat head tapping screw; 13. eccentric wheel; 14. front end cover; 15. second bearing; 16. bearing cover retaining ring; 17. lower shell; 18. piston; 19. suction valve; 20. discharge valve; 21. O-ring; 22. hexagon socket pan head screw; 23. pressure relief valve plate; 24. pressure relief spring member; 25. pressure regulating top screw. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides an embodiment: a 5-chamber noise reduction RO pump, comprising an upper housing 5, wherein an equidistant inner hexagonal pan head screw 22 is installed at the edge of the top of the upper housing 5, and the bottom end of the inner hexagonal pan head screw 22 passes through the lower housing 17 and is threadedly connected to the top end of the front cover 14;

[0023] When in use, the upper housing 5 and the front cover 14 are mounted on both ends of the lower housing 17 by means of the hexagon socket pan head screws 22;

[0024] A pressure regulating top cover 2 is installed on one side of the top of the upper shell 5, and cross groove pan head self-tapping screws 1 are installed on both sides of the top of the pressure regulating top cover 2. A pressure regulating top screw 25 is provided at the center position of the top of the pressure regulating top cover 2. The bottom end of the pressure regulating top screw 25 passes through the pressure regulating top cover 2 and is provided with a pressure relief spring cover 3. A pressure relief valve plate 23 is provided inside the upper shell 5 outside the pressure relief spring cover 3. A pressure relief spring member 24 is installed at the bottom end of the pressure relief spring cover 3. A pressure relief spring seat 4 is provided at one end of the pressure relief spring member 24 away from the pressure relief spring cover 3. A lower shell 17 is installed at the bottom end of the upper shell 5, and a vibrating body fixing frame 10 is provided at the bottom end of the lower shell 17. A first bearing 11 is provided at the center position of the bottom end of the vibrating body fixing frame 10.

[0025] When in use, the first bearing 11 is arranged so as to place the bearing cover retaining ring 16;

[0026] A bearing cover retaining ring 16 is installed at one end of the first bearing 11 away from the vibrating body fixing frame 10, and cross recessed flat head self-tapping screws 12 with equal spacing are installed at the bottom end of the bearing cover retaining ring 16;

[0027] When in use, the bearing cover retaining ring 16 is installed on the bottom end of the first bearing 11 by setting the cross recessed flat head self-tapping screw 12;

[0028] An eccentric wheel 13 is provided on the lower surface of the first bearing 11 inside the bearing cover retaining ring 16, and a second bearing 15 is provided inside the front end cover 14 at the bottom end of the eccentric wheel 13;

[0029] When in use, the second bearing 15 is provided to place the eccentric wheel 13;

[0030] The end of the lower shell 17 away from the upper shell 5 is equipped with a front cover 14, the upper surface of the lower shell 17 is equipped with a vibration membrane 9, the top of the vibration membrane 9 is provided with pistons 18 with equal spacing, the end of the piston 18 away from the vibration membrane 9 is equipped with a locking screw 7, and the side of the piston 18 away from the vibration membrane 9 is provided with a suction valve 19;

[0031] When in use, the RO pump is set to a five-chamber noise reduction structure through the arrangement of five suction valves 19 and other related components;

[0032] A diaphragm sealing ring 8 is installed at the edge of the top of the vibration membrane 9, a control body 6 is provided inside the upper shell 5 at the top of the diaphragm sealing ring 8, a discharge valve 20 is provided at the center of the top of the control body 6, and an O-ring 21 is provided at the end of the discharge valve 20 away from the control body 6;

[0033] When in use, the O-ring 21 is provided to shield and seal the connection area of ​​the discharge valve 20 .

[0034] When the embodiment of the present application is used, firstly, five suction valves 19 and pistons 18 are arranged between the control body 6 and the lower shell 17, and a vibrating body fixing frame 10 is arranged between the lower shell 17 and the front cover 14, so that the RO pump can be set as a five-chamber noise reduction structure to greatly reduce the working noise generated when the RO pump is used. Then, by arranging the diaphragm seal ring 8, the bearing cover retaining ring 16 and the O-ring 21, the connection area between the vibrating membrane 9, the second bearing 15 and the discharge valve 20 can be shielded and sealed to ensure the sealing of the RO pump. Then, by arranging the hexagonal pan head screws 22, the upper shell 5 and the front cover 14 are installed and connected to the two ends of the lower shell 17, and the arrangement of the cross-slot pan head self-tapping screws 1 can be The pressure regulating top cover 2 is installed on the top of the upper shell 5, and the setting of the cross-slot flat head self-tapping screw 12 makes it easy to install the bearing cover retaining ring 16 on the bottom end of the first bearing 11, and the setting of the locking screw 7 makes it easy to install the piston 18 on the top of the vibration membrane 9. Finally, through the setting of the pressure relief valve plate 23, the pressure relief spring seat 4, the pressure relief spring member 24, the pressure regulating top screw 25 and the pressure relief spring cover 3, because the pressure relief spring member 24 has good elastic pressure, and the elastic pressure of the pressure relief spring member 24 on the pressure relief valve plate 23 can be adjusted by the pressure regulating top screw 25, the pressure relief process can be adaptively performed, so that the water flow in the high-pressure chamber inside the RO pump can flow into the low-pressure chamber, thereby ensuring the stability of the RO pump during operation, thereby completing the use of the RO pump.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A 5-chamber noise reduction RO pump, characterized by: The invention comprises an upper shell (5), a pressure regulating top cover (2) is installed on one side of the top of the upper shell (5), cross-slot pan head self-tapping screws (1) are installed on both sides of the top of the pressure regulating top cover (2), a pressure regulating top screw (25) is provided at the center position of the top of the pressure regulating top cover (2), the bottom end of the pressure regulating top screw (25) passes through the pressure regulating top cover (2) and is provided with a pressure relief spring cover (3), a pressure relief valve plate (23) is provided inside the upper shell (5) outside the pressure relief spring cover (3), and a pressure relief valve (23) is installed at the bottom end of the pressure relief spring cover (3) A spring member (24), a pressure relief spring seat (4) is provided at one end of the pressure relief spring member (24) away from the pressure relief spring cover (3), a lower shell (17) is installed at the bottom end of the upper shell (5), a front end cover (14) is installed at one end of the lower shell (17) away from the upper shell (5), a vibration membrane (9) is installed on the upper surface of the lower shell (17), a diaphragm sealing ring (8) is installed at the edge position of the top end of the vibration membrane (9), and a control body (6) is provided on the inner side of the upper shell (5) at the top end of the diaphragm sealing ring (8).

2. A 5-chamber noise reduction RO pump according to claim 1, characterized in that: The upper edge of the upper shell (5) is provided with equally spaced hexagonal pan head screws (22), the bottom ends of which penetrate the lower shell (17) and are threadedly connected to the top end of the front cover (14).

3. A 5-chamber noise reduction RO pump according to claim 1, characterized in that: A discharge valve (20) is provided at the center position of the top end of the control body (6), and an O-ring (21) is provided at one end of the discharge valve (20) away from the control body (6).

4. A 5-chamber noise reduction RO pump according to claim 1, characterized in that: The top of the vibration membrane (9) is provided with pistons (18) at equal intervals, and the end of the piston (18) away from the vibration membrane (9) is installed with a locking screw (7), and the side of the piston (18) away from the vibration membrane (9) is provided with a suction valve (19).

5. A 5-chamber noise reduction RO pump according to claim 1, characterized in that: A vibrating body fixing frame (10) is provided at the bottom end of the lower shell (17), and a first bearing (11) is provided at the center position of the bottom end of the vibrating body fixing frame (10).

6. A 5-chamber noise reduction RO pump according to claim 5, characterized in that: A bearing cover retaining ring (16) is installed at one end of the first bearing (11) away from the vibration body fixing frame (10), and cross-slot flat-head self-tapping screws (12) with equal spacing are installed at the bottom end of the bearing cover retaining ring (16).

7. A 5-chamber noise reduction RO pump according to claim 6, characterized in that: An eccentric wheel (13) is provided on the lower surface of the first bearing (11) inside the bearing cover retaining ring (16), and a second bearing (15) is provided on the inner side of the front end cover (14) at the bottom end of the eccentric wheel (13).

Images