CN2301555Y

CN2301555Y - Noiseless air pump

Info

Publication number: CN2301555Y
Application number: CN 97208683
Authority: CN
Inventors: 陈俊平
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-02-04
Filing date: 1997-02-04
Publication date: 1998-12-23
Anticipated expiration: 2007-02-04

Abstract

The utility model relates to a noiseless air pump. The utility model uses two electromagnetic drive devices which are positioned in an inner air chamber seat to drive two symmetrical diaphragm type air pumps. An outer shell and an inner air chamber forms an inner sealing air chamber and an outer air sealing chamber which are adjoined to form double acoustic insulation. Air is buffered through a sealed anechoic chamber and then get out. Large air flow and large air pressure output can be obtained. The utility model can reduce noise and realize noiseless operation.

Description

Noiseless air pump

The utility model relates to electromagnetism diaphragm type air pump, particularly small-sized household air pump such as aquarium oxygen pump.

Existing household small-size electromagnetism diaphragm type air pump, usually form by shell, the diaphragm type pump housing and electromagnetic actuator device, Ac is by the coil of electromagnetic actuator device, produce alternating magnetic field, make the fork that has permanent magnet make reciprocally swinging with the variation of alternating magnetic field, it is reciprocating to drive the diaphragm type leather cup, makes air pump produce windstream.As CN92200668.7 disclosed " aquarium oxygen pump " is exactly this structure.This pump is to adopt single Electromagnetic Drive on the one hand, tolerance and air pressure all are difficult to improve, on the other hand without any noise countermeasure, bar magnet is under the effect of alternating magnetic field power, and to-and-fro motion drives leather cup work, produce bigger noise, because the family expenses air pump is 24 continuous throughout the twenty-four hour24s often, the dead of night, this noise will have a strong impact on people's life.

The novel purpose of this reality provides a kind of energy and obtains bigger tolerance and air pressure, and the electromagnetism diaphragm type air pump that reduces noise simultaneously greatly newly designs--Noiseless air pump.

The new purpose of this practicality is achieved by following structure, and structure comprises shell, has the diaphragm type leather cup, diaphragm type pump housing of inlet and outlet valve, electromagnetic actuator device etc., and suction port and outlet nozzle are arranged on the shell, it is characterized in that:

A. have an anechoic room, this anechoic room places on the damping pin at the end in the shell;

B. on anechoic room, be provided with an interior air chamber base, inlet hole is arranged at interior air chamber base top, each fixes a diaphragm type pump housing both sides, drive by the electromagnetic actuator device in the air chamber base in being packaged in, said electromagnetic actuator device comprises double electromagnet line bag and places two magnetic patch bar magnets between the two electromagnetism iron wire bags, the two ends of two magnetic patch bar magnets are connected respectively to the diaphragm type leather cup of the pump housing that is positioned at the air chamber base both sides, air chamber base in the suction port of the pump housing inserts by suction tude, anechoic room is inserted by steam outlet pipe in the air outlet;

C. the outlet nozzle of anechoic room is linked to each other with the outlet nozzle of shell by tracheae;

D. the suction port of shell is equipped with the sponge silencer pad.

The utility model is because the dual sound insulation of adopting two Electromagnetic Drive and being combined by inside and outside sealed air chamber, air inlet is eliminated the noise through sponge mat, the noise countermeasure such as output grade again after airtight anechoic room buffering of giving vent to anger, thereby can obtain bigger tolerance and air pressure output, can reduce noise greatly again, become a kind of Noiseless air pump.

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 is the overall structure figure of the utility model mode of execution;

Fig. 2 is the diaphragm type pump housing and the electromagnetic actuator device structural drawing partly thereof of the utility model mode of execution.

As shown in Figure 1, this Noiseless air pump has shell 1, suction port 2 is arranged at the bottom of shell, there is outlet nozzle 4 front portion that sponge silencer pad 3, shell are equipped with in the suction port place, at the anechoic room 6 that has to place on the damping pin 5 among the shell, be provided with an interior air chamber base 7 on the anechoic room, inlet hole 8 is arranged at the top of interior air chamber base, each side fix diaphragm type pump housing 9a, a 9b, two pump housings become symmetry status.Each pump housing all has the diaphragm type leather cup 10 of same structure, air chamber 11, air-intake valve plate 12, the valve block 13 of giving vent to anger, electromagnetic actuator device is packaged among the interior air chamber base, electromagnetic actuator device comprises double electromagnet line bag 14a, 14b, fix two permanent magnet 15a, two electromagnetic block bar magnets 16 of 15b, two magnetic patch bar magnets are installed between the two electromagnetism iron wire bags, receive respectively on the diaphragm type leather cup 10 of the two diaphragm type pump housings at its two ends, the suction port 17a of two pump housings, air chamber base 7 in 17b inserts by suction tude 18 respectively, air outlet 19a, 19b passes through steam outlet pipe 20 access anechoic rooms 6 respectively, there is outlet nozzle 21 the anechoic room front portion, communicates with the outlet nozzle 4 of shell by rubber tracheae 22.This Noiseless air pump also is provided with the automatic converter 23 of alternating direct-current, can ac power supply be power, can DC electrical source be the work of motivational drive air pump also.

During the work of this Noiseless air pump, two electromagnetic wire bags to electromagnetic actuator device pass to Ac, make two magnetic patch bar magnet 16 to-and-fro motion, drive leather cup 10 to-and-fro motion of pump housing 9a, 9b, the volume of air chamber 11 is constantly changed, and then make air valve sheet 12,13 action, and will enter after suction tude 18 enters the air compression of the pump housing from interior air chamber base top inlet hole 8 and extrude from air outlet 19a, 19b again, export from outlet nozzle 4 through anechoic room 6 buffering backs then.

Claims

1. Noiseless air pump comprises shell, has the diaphragm type leather cup, diaphragm type pump housing of inlet and outlet valve, electromagnetic actuator device etc., and suction port and outlet nozzle are arranged on the shell, it is characterized in that:

A. have an anechoic room (6), this anechoic room places on the damping pin (5) at the end in the shell;

B. on anechoic room, be provided with an interior air chamber base (7), inlet hole (8) is arranged at interior air chamber base top, each fixes a diaphragm type pump housing both sides, drive by the electromagnetic actuator device in the air chamber base in being packaged in, said electromagnetic actuator device comprises double electromagnet line bag (14a, 14b) and place two magnetic patch bar magnets (16) between the two electromagnetism iron wire bags, the two ends of two magnetic patch bar magnets are connected respectively to the pump housing (9a that is positioned at the air chamber base both sides, diaphragm type leather cup 9b), the pump housing (9a, (17a 17b) inserts interior air chamber base (7) by suction tude (18) to suction port 9b), (19a 19b) inserts anechoic room (6) by steam outlet pipe (20) in the air outlet;

C. the outlet nozzle (21) of anechoic room (6) is linked to each other with the outlet nozzle (4) of shell by tracheae (22);

D. the suction port of shell (2) is equipped with sponge silencer pad (3).