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CN-115539360-B - Bidirectional diaphragm pump

CN115539360BCN 115539360 BCN115539360 BCN 115539360BCN-115539360-B

Abstract

The invention discloses a bidirectional diaphragm pump, which comprises a first pump and a second pump, wherein a first pressurizing cavity and a second pressurizing cavity are respectively arranged in the first pump and the second pump, a pump head body and a support frame are connected between the first pump and the second pump in a sealing way, a first water gap, a second water gap and a first water outlet cavity are arranged in the pump head body, a second water outlet cavity is arranged in the support frame, the first water gap and the second water gap are respectively communicated with the first pressurizing cavity and the second pressurizing cavity, the first pressurizing cavity and the second pressurizing cavity are respectively communicated with the first water outlet cavity and the second water outlet cavity, a water sealing sleeve ring I is formed on a waterway communicated with the first water outlet cavity and the second water gap, a water sealing sleeve ring II is formed on a waterway communicated with the first water outlet cavity and the second water outlet cavity, and a water control assembly for alternately controlling water sealing ring I and water sealing sleeve II waterway sealing or conducting is arranged on the waterway between the first water outlet cavity and the second water outlet cavity. According to the invention, no additional accessories are required to be added on the waterway, the corresponding design pipeline is simpler, the cost is controlled, and the applicability is stronger.

Inventors

  • ZHOU RUJING

Assignees

  • 中山市伟力宝电机电器有限公司

Dates

Publication Date
20260508
Application Date
20220810

Claims (7)

  1. 1. A bidirectional diaphragm pump comprises a first pump and a second pump, wherein a first pressurizing cavity (40) and a second pressurizing cavity (18) are respectively arranged in the first pump and the second pump, the water pump is characterized in that an adaptive pump head body (30) and a supporting frame (22) are hermetically connected between the first pump and the second pump, a first water port (01), a second water port (28) and a first water outlet cavity (03) are arranged in the pump head body (30), a second water outlet cavity (26) is arranged in the supporting frame (22), the first water port (01) and the second water port (28) are respectively communicated with a first pressurizing cavity (40) and a second pressurizing cavity (18) through a water inlet one-way valve clack (43), a water inlet one-way diaphragm (20), the first pressurizing cavity (40) and the second pressurizing cavity (18) are respectively communicated with the first water outlet cavity (03) and the second water outlet cavity (26) through a water outlet one-way valve clack (42) and a water outlet one-way diaphragm (17), a water sealing sleeve ring (25) is formed on a water path communicated with the first water outlet cavity (03) and the second water outlet cavity (28), a water path communicated with the first water outlet cavity (26) and the first water outlet cavity (01) is communicated with the water path, and a water path is alternately communicated with the second pressurizing cavity (18) is provided with the water path; The flow control assembly comprises a sensing pressing piece and a return spring (23), a third water outlet cavity (07) communicated with the first water gap (01) is formed between the sensing pressing piece and the support frame (22), the return spring (23) is positioned in the third water outlet cavity (07), one end of the return spring acts on the sensing pressing piece, the other end of the return spring acts on the support frame (22), and the sensing pressing piece forms a flow control assembly for alternately controlling waterway sealing or conducting at the first water sealing sleeve ring (25) and the second water sealing sleeve ring (54) under the combined action of the pressure in the first water outlet cavity (03), the second water outlet cavity (26), the pressure in the third water outlet cavity (07) and the return spring (23); The pressure sensing piece comprises a pressure sensing diaphragm (05) and a flow blocking plug (24), a flow limiting groove (29) is formed in the side wall of the flow blocking plug (24), the pressure sensing diaphragm (05) is arranged on the circumference of the flow blocking plug (24) and integrally formed with the flow blocking plug (24), the pressure sensing diaphragm (05) is circumferentially sealed and pressed between a support frame (22) and a pump head body (30), a first flow channel (04) and a second flow channel (27) which are communicated with a first water port (01) and a second water port (28) are respectively arranged on the circumference of the pressure sensing diaphragm (05), two ends of the flow blocking plug (24) are respectively connected with the pump head body (30) and the support frame (22) in a sliding mode, and the pressure blocking plug (24) alternately controls a water blocking sleeve ring (25) and a water blocking sleeve ring II (54) to be sealed or conducted along with the water path under the combined action of the pressure sensing diaphragm (05) in the up-down mode.
  2. 2. The bidirectional diaphragm pump according to claim 1, wherein the second water outlet cavity (26) is arranged at the middle part of the support frame (22), an upward extension section is arranged at the middle part of the support frame (22), a first water passing hole (09) communicated with the second water outlet cavity (26) is arranged on the extension section, a second water passing hole (08) communicated with the second water outlet cavity (26) and the third water outlet cavity (07) is arranged on the second water sealing collar (54), and a third water passing hole (06) communicated with the third water outlet cavity (07) and the first water gap (01) is arranged on the support frame (22).
  3. 3. A bi-directional diaphragm pump according to claim 1, characterized in that the pump head body (30) is provided with a first water inlet cavity (45) communicated with the first water port (01), and the support frame (22) is provided with a second water inlet cavity (21) communicated with the second water port (28).
  4. 4. The bidirectional diaphragm pump according to claim 1, wherein the pump comprises a first partition plate (35), a first supporting sleeve (34), a first eccentric assembly (38) and a first pressurizing diaphragm (39) forming a first pressurizing cavity (40), a first motor (37) is connected to the lower end of the first eccentric assembly (38), the first pressurizing diaphragm (39) is tightly pressed and sealed between the first partition plate (35) and the first supporting sleeve (34) in the circumferential direction, the middle part of the first pressurizing diaphragm (39) is tightly pressed on the first partition plate (35) through a pressing block (14) in the middle part of the first supporting sleeve (34), a first high-pressure cavity (33) is formed between the first partition plate (35) and the supporting frame (22), a fourth water passing hole (02) for connecting the first water outlet cavity (03) and the first high-pressure cavity (33) is formed in the pump head body (30), a water inlet one-way valve clack (43) is further arranged on the first partition plate (35), a first water inlet valve clack (44) positioned on the first partition plate (35), and a first water outlet valve clack (42) positioned on the first partition plate (41) is arranged on the first partition plate (41).
  5. 5. The bidirectional diaphragm pump according to claim 4, wherein a gyromagnetic component for transmitting power is arranged between the first eccentric component (38) and the first motor (37), the gyromagnetic component comprises a bracket (51), a driving magnetic ring (47), a driven magnetic ring (48) and a rotating shaft, the bracket (51) is circumferentially pressed between the first supporting sleeve (34) and the first motor (37), a continuous first-stage concave cavity (52) and a continuous second-stage concave cavity (53) are formed in the middle of the bracket (51) in a downward concave mode, an eccentric seat (49) is arranged in the first-stage concave cavity (52), the eccentric seat (49) is rotationally connected with the rotating shaft, the rotating shaft is connected with the first eccentric component (38), the driven magnetic ring (48) is sleeved on the eccentric seat (49), a rotating seat (46) connected with an output shaft of the first motor (37) is arranged below the second-stage concave cavity (53), the driving magnetic ring (47) is sleeved on the rotating seat (46), and the driving magnetic ring (47) corresponds to the driven magnetic ring (48).
  6. 6. A bi-directional diaphragm pump according to claim 4, wherein a first sealing ring (31) is compressed between the first partition (35) and the pump head body (30), and a second sealing ring (32) is compressed between the first partition (35) and the pump head body (30).
  7. 7. The bidirectional diaphragm pump according to claim 1, wherein the pump II comprises a second partition plate (15), a second supporting sleeve (55), a second eccentric assembly (11) and a second pressurizing diaphragm (13) forming a second pressurizing cavity (18), the upper end of the second eccentric assembly (11) is connected with a second motor (12), the second pressurizing diaphragm (13) is tightly pressed and sealed between the second partition plate (15) and the second supporting sleeve (55) in the circumferential direction, the middle part of the second pressurizing diaphragm (13) is tightly pressed on the second partition plate (15) through a pressing block (14), a water inlet unidirectional diaphragm (20) is arranged on the second partition plate (15), a water outlet unidirectional diaphragm (17) is tightly pressed between the second partition plate (15) and a supporting frame (22), and the water inlet unidirectional diaphragm (20) and the water outlet unidirectional diaphragm (17) are respectively provided with a second water inlet hole (19) and a second water outlet hole (16).

Description

Bidirectional diaphragm pump Technical Field The invention relates to the technical field of fluid conveying, in particular to a bidirectional diaphragm pump. Background The diaphragm pump is widely applied in our daily life, the diaphragm pump has a simple structure, the current diaphragm pump mainly drives an eccentric part to rotate by a motor, the eccentric part drives a pushing frame to swing, and the pushing frame is connected with a pressure sensing diaphragm forming a pressurizing cavity, so that the volume of the pressurizing cavity can be enlarged or extruded, and water is sucked or pumped out. The diaphragm pump is often used with the heating unit in the drinking water system for with the hot-water pump of heating unit to tap department, but when tap closed shut down, the water in the water route between diaphragm pump and the tap is after long-term static, the temperature becomes the warm water, can come out a part of warm water first after the tap opens like this next time, then the hot water just comes out, user's experience is feel relatively poor like this, therefore in the prior art increase extra accessory again on the water route between diaphragm pump and tap, carry the normal atmospheric temperature water on the water route to heating unit through circuit control, make the water route between diaphragm pump and the tap on can not have unnecessary water, but such design makes the accessory quantity of whole drinking water system increase, the pipeline design is more complicated, the cost is also increased correspondingly, the suitability is relatively poor. Disclosure of Invention The invention aims to provide a bidirectional diaphragm pump which is used for solving the problems in the background technology. In order to solve the technical problems, the invention adopts the following scheme: The two-way diaphragm pump comprises a first pump and a second pump, wherein a first pressurizing cavity and a second pressurizing cavity are respectively arranged in the first pump and the second pump, a pump head body and a support frame which are matched are connected between the first pump and the second pump in a sealing way, a first water gap, a second water gap and a first water outlet cavity are arranged in the pump head body, a second water outlet cavity is arranged in the support frame, the first water gap and the second water gap are respectively communicated with the first pressurizing cavity and the second pressurizing cavity through a water inlet one-way valve clack and a water inlet one-way diaphragm, the first pressurizing cavity and the second pressurizing cavity are respectively communicated with the first water outlet cavity and the second water outlet cavity through a water outlet one-way diaphragm, a water sealing lantern ring I is formed on a water path communicated with the first water outlet cavity and the second water outlet cavity, and a water path communicated with the first water gap is provided with a water path sealing lantern ring II, and a water path sealing or a flow control assembly communicated with the water path between the first water outlet cavity and the second water outlet cavity is arranged on a water path between the first water outlet cavity and the second water outlet cavity. Optionally, the flow control assembly comprises a sensing piece and a reset spring, a third water outlet cavity communicated with the first water gap is formed between the sensing piece and the support frame in a surrounding mode, the reset spring is located in the third water outlet cavity, one end of the reset spring acts on the sensing piece, the other end of the reset spring acts on the support frame, and the sensing piece forms the flow control assembly for alternately controlling the water sealing ring I and the water sealing ring II to be sealed or conducted in a waterway under the combined action of the pressure in the first water outlet cavity, the pressure in the second water outlet cavity, the pressure in the third water outlet cavity and the reset spring. Optionally, the pressure sensing piece includes pressure sensing diaphragm, choked flow stopper lateral wall is equipped with the restriction groove, pressure sensing diaphragm sets up in choked flow stopper circumference and takes shape with choked flow stopper is integrated into one piece, pressure sensing diaphragm circumference seals and compresses tightly between support frame and pump head body, pressure sensing diaphragm circumference is equipped with the first runner of switch-on first mouth of a river, second mouth of a river respectively, second runner, choked flow stopper both ends respectively with pump head body, support frame sliding connection, choked flow stopper is at first water outlet intracavity pressure, second water outlet intracavity pressure and reset spring's combined action down along with pressure sensing diaphragm reciprocates the alternate control water sealing collar one, water sealing lanter