Six-cavity diaphragm booster pump / self-priming pump capable of improving shock absorption and noise reduction functions

Abstract

The utility model discloses a six-cavity diaphragm booster pump / self-priming pump capable of improving shock absorption and noise reduction functions, which comprises a motor, an eccentric wheel, a bearing, a bearing frame, a piston, a pump shell support, a diaphragm piece, a middle plate, a pump cover and a pressure relief mechanism, and a water inlet cavity, a water inlet valve, a water drainage cavity and a water drainage valve are arranged on the inner side of the middle plate. The pump cover is provided with a water inlet, a water inlet channel, a water outlet, a water outlet channel, six sets of water inlet cavities, six sets of water inlet valves, six sets of drainage cavities and six sets of drainage valves; six water containing cavities are formed in the inner cavity wall of the pump cover, the total water inlet amount and the total water outlet amount in unit time are divided into more equal parts by additionally arranging a water inlet cavity, a water inlet valve, a water outlet cavity and a water outlet valve, so that the water inlet frequency and the water outlet frequency are increased, meanwhile, the water inlet amount and the water outlet amount of a single time are reduced, but the total water inlet amount and the total water outlet amount are not changed; therefore, vibration of the water flow to the water outlet pipe and the pump body is reduced, and noise caused by vibration is also reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of diaphragm booster pumps / self-priming pumps for water making machines / water purifiers, and in particular to a six-chamber diaphragm booster pump / self-priming pump with improved shock absorption and noise reduction functions. Background Art

[0002] Diaphragm pumps are used as booster or self-priming water delivery equipment for water makers / purifiers and have been widely used in the field of water makers / purifiers. The applicant applied for a diaphragm pump with strong sealing performance (Announcement No. CN210715029 U) on September 24, 2019. Its structure includes a motor, an eccentric wheel, a pump housing bracket, a diaphragm, an intermediate plate, a pump cover and a pressure relief mechanism. The inner side of the intermediate plate is provided with a water inlet chamber and a water inlet valve, a water discharge chamber and a water discharge valve. The pump cover is provided with a water inlet and a water outlet. A water inlet joint is installed on the water inlet. The cylindrical water storage chamber is provided with a channel connected to the water outlet. Its structure is to drive the eccentric wheel through the motor to make the diaphragm vibrate rapidly, so that the pressure on both sides of the diaphragm changes, thereby completing the process of absorbing and discharging water. The diaphragm pumping structure uses a three-chamber pump. During use, the applicant found that the three-chamber pump has problems of large vibration and noise. Based on the three-chamber diaphragm pump structure, the inventor designed a six-chamber diaphragm booster pump / self-priming pump with improved shock absorption and noise reduction functions. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a six-chamber diaphragm booster pump / self-priming pump with improved shock absorption and noise reduction functions.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a six-chamber diaphragm booster pump / self-priming pump with improved shock absorption and noise reduction functions, comprising a motor, an eccentric wheel arranged at the output end of the motor, a bearing installed on the eccentric wheel, a bearing frame, a piston, a pump housing bracket and a diaphragm, an intermediate plate, a pump cover and a pressure relief mechanism, a water inlet chamber and a water inlet valve, a water discharge chamber and a water discharge valve are arranged on the inner side of the intermediate plate, a water inlet, a water inlet channel, a water outlet and a water outlet channel are arranged on the pump cover, a water inlet joint is installed on the water inlet, and a water outlet joint is installed on the water outlet, a cylindrical water storage chamber adapted to the drain valve is arranged in the middle of the inner side of the pump cover, and the cylindrical water storage chamber is provided with a drain port connected to the water outlet channel;

[0005] The water inlet chamber and the water inlet valve are provided with six sets, and the water discharge chamber and the water discharge valve are provided with six sets. The water discharge chamber and the water discharge valve are arranged in the middle of the six water inlet chambers and the water inlet valves.

[0006] Preferably, the inner cavity wall of the pump cover is provided with six water containing cavities with semicircular outer contour lines corresponding to the six water inlet cavities, wherein the water inlet channel is arranged at the bottom of one of the water containing cavities, and the water outlet channel is arranged at the bottom of the water containing cavity opposite to the water inlet channel and is connected with the cylindrical water storage cavity;

[0007] A bolt hole is arranged on the flange between each two adjacent water containing chambers of the pump cover.

[0008] Preferably, the water inlet and the water outlet are both configured as tubular quick connectors. Alternatively, the water inlet and the water outlet are both configured as internal threaded connectors.

[0009] Preferably, a top column is provided in the middle of the cylindrical water storage chamber, and the height of the top column is the same as the top of the cylindrical water storage chamber. The inner bottom surfaces of the cylindrical water storage chamber and the water containing chamber are provided with separation reinforcement ribs along the six radial dividing lines of the water inlet chambers, and top column reinforcement ribs are provided radially around the top column.

[0010] Preferably, a connecting plate is provided between the top column and the pressure relief mechanism.

[0011] Preferably, a sealing waterproof glue is provided on the outer side of the water inlet valve.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model is provided with a six-chamber diaphragm booster pump / self-priming pump, which divides the total water inlet and water outlet per unit time into more equal parts by adding a water inlet chamber and a water inlet valve, a water discharge chamber and a water discharge valve, thereby increasing the frequency of water inlet and water outlet, while reducing the water volume of a single water inlet and water outlet, but the total water inlet and water outlet remain unchanged, thereby reducing the vibration of the water flow on the water outlet pipe and the pump body, and also reducing the noise caused by the vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model (screws and drain valve removed);

[0015] Figure 2 This is a schematic diagram of the structure of the pump cover of the utility model;

[0016] Figure 3 This is a front view of the internal structure of the pump cover of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of a pump cover of another structure of the utility model. DETAILED DESCRIPTION

[0018] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0019] like Figure 1-4As shown, the utility model is a six-chamber diaphragm booster pump / self-priming pump with improved shock absorption and noise reduction functions, comprising a motor 1, an eccentric wheel arranged at the output end of the motor 1, a bearing, a bearing frame, a piston, a pump casing bracket and a diaphragm installed on the eccentric wheel, an intermediate plate 2, a pump cover 4 and a pressure relief mechanism 3, the inner side of the intermediate plate 2 is provided with a water inlet chamber 91 and a water inlet valve 92, a drainage chamber 8 and a drainage valve, the pump cover 4 is provided with a water inlet 6, a water inlet channel 61 and a water outlet 5 and a water outlet channel 51, a water inlet joint 10 is installed on the water inlet 6, and a water outlet joint 11 is installed on the water outlet 5, a cylindrical water storage chamber 14 adapted to the drainage chamber 8 is provided in the middle of the inner side of the pump cover 4, the cylindrical water storage chamber 14 is provided with a drainage port 52 connected to the water outlet channel 51, six sets of water inlet chambers 91 and water inlet valves 92 are provided, six sets of drainage chambers 8 and drainage valves are provided, and the drainage chamber 8 and the drainage valve are arranged in the middle of the six water inlet chambers 91 and water inlet valves 92.

[0020] The inner cavity wall of the pump cover 4 of this embodiment is provided with six water containing cavities 41 with a semicircular outer contour corresponding to the six water inlet cavities 91, the water inlet channel 61 is arranged at the bottom of one of the water containing cavities 41, and the water outlet channel 51 is arranged at the bottom of the water containing cavity 41 opposite to the water inlet channel 61 and is communicated with the cylindrical water storage cavity 14.

[0021] In this embodiment, a bolt hole 42 is provided on the flange between each two adjacent water containing chambers 41 of the pump cover 4 .

[0022] In this embodiment, the water inlet 6 and the water outlet 5 are both configured as tubular quick connectors.

[0023] In some embodiments, Figure 4 As shown, the water inlet 6 and the water outlet 5 of the utility model are both configured as internal thread interfaces.

[0024] In this embodiment, a top column 7 is provided in the middle of the cylindrical water storage chamber 14, and the height of the top column 7 is the same as the top of the cylindrical water storage chamber 14. The inner bottom surfaces of the cylindrical water storage chamber 14 and the water containing chamber 41 are provided with separation reinforcement ribs along the radial dividing lines of the six water inlet chambers 9, and top column reinforcement ribs 71 are provided radially around the top column 7.

[0025] In this embodiment, a connecting plate 72 is provided between the top column 7 and the pressure relief mechanism 3. A sealing waterproof glue is provided on the outside of the water inlet valve 92.

[0026] The above embodiment is only one implementation of the utility model, but does not constitute a limitation. Any simple modification, change, substitution, combination or simplification made without departing from the spirit of the utility model is equivalent to an equivalent replacement method and should be deemed to fall within the protection scope of the utility model.

Claims

1. A six-chamber diaphragm booster pump / self-priming pump with improved shock absorption and noise reduction functions, comprising a motor (1), an eccentric wheel arranged at the output end of the motor (1), a bearing mounted on the eccentric wheel, a bearing frame, a piston, a pump housing bracket and a diaphragm, an intermediate plate (2), a pump cover (4) and a pressure relief mechanism (3), wherein the inner side of the intermediate plate (2) is provided with a water inlet chamber (91) and a water inlet valve (92), a water discharge chamber (8) and a water discharge valve, the pump cover (4) is provided with a water inlet (6), a water inlet channel (61) and a water outlet (5) and a water outlet channel (51), the water inlet (6) is provided with a water inlet joint (10), the water outlet (5) is provided with a water outlet joint (11), the inner middle part of the pump cover (4) is provided with a cylindrical water storage chamber (14) adapted to the water discharge chamber (8), the cylindrical water storage chamber (14) is provided with a water discharge port (52) connected to the water discharge channel (51), and the pump cover (4) is characterized in that: The water inlet chamber (91) and the water inlet valve are provided in six sets, and the water discharge chamber (8) and the water discharge valve are provided in six sets, and the water discharge chamber (8) and the water discharge valve are arranged in the middle of the six water inlet chambers (91) and the water inlet valves; The inner cavity wall of the pump cover (4) is provided with six water containing cavities (41) corresponding to the six water inlet cavities (91).

2. According to claim 1, a six-chamber diaphragm booster pump / self-priming pump with improved shock absorption and noise reduction functions is characterized in that: The outer contours of the six water containing chambers (41) are semicircular, wherein the water inlet channel (61) is arranged at the bottom of one of the water containing chambers (41), and the water outlet channel (51) is arranged at the bottom of the water containing chamber (41) directly opposite to the water inlet channel (61) and is connected to the cylindrical water storage chamber (14); A bolt hole (42) is provided on the flange between each two adjacent water containing chambers (41) of the pump cover (4).

3. According to claim 1, a six-chamber diaphragm booster pump / self-priming pump with improved shock absorption and noise reduction functions is characterized in that: The water inlet (6) and the water outlet (5) are both configured as tubular quick connectors.

4. According to claim 1, a six-chamber diaphragm booster pump / self-priming pump with improved shock absorption and noise reduction functions is characterized in that: The water inlet (6) and the water outlet (5) are both configured as internal thread interfaces.

5. According to claim 1, a six-chamber diaphragm booster pump / self-priming pump with improved shock absorption and noise reduction functions, characterized in that: A top column (15) is provided in the middle of the cylindrical water storage chamber (14), and the top column (15) has the same height as the top of the cylindrical water storage chamber (14). The inner bottom surfaces of the cylindrical water storage chamber (14) and the water containing chamber (41) are provided with separation reinforcement ribs (18) along radial separation lines of the six water inlet chambers (91), and top column reinforcement ribs (16) are provided radially around the top column (15).

6. According to claim 5, a six-chamber diaphragm booster pump / self-priming pump with improved shock absorption and noise reduction functions is characterized in that: A connecting plate (17) is provided between the top column (15) and the pressure relief mechanism (3).

7. According to claim 1, a six-chamber diaphragm booster pump / self-priming pump with improved shock absorption and noise reduction functions, characterized in that: A sealing waterproof glue (7) is provided on the outside of the water inlet valve (92).

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