CN2185813Y

CN2185813Y - Connecting type minisize single-cylinder air pump

Info

Publication number: CN2185813Y
Application number: CN 93241236
Authority: CN
Inventors: 玉渊峰
Original assignee: DONGHAI OIL PRODUCTION EQUIPMENT FACTORY YUHUAN COUNTY
Current assignee: DONGHAI OIL PRODUCTION EQUIPMENT FACTORY YUHUAN COUNTY
Priority date: 1993-10-08
Filing date: 1993-10-08
Publication date: 1994-12-21
Anticipated expiration: 2003-10-08

Abstract

The utility model relates to a pump whose characteristic is the combination with a driving motor, particularly a pump with an electric actuator. A connecting type minisize single-cylinder air pump comprises a motor, a speed changing component, a transmission component and an air pump, wherein, the speed changing component comprises a worm gear arranged on a motor shaft and a worm gear arranged in a speed changing box, the transmission component comprises a transmission shaft arranged on the worm gear, a transmission disk arranged on the transmission shaft and a transmission pin arranged on the transmission disk, and the speed changing box forms integration with an upper cover of the motor. The utility model has the advantages of compact structure, elaborate design, small size, light weight, low noise, high work efficiency, strong reliability, etc., and is used for the inflation of vehicles, sports goods, air cushion articles, etc., and used in various situations needing air compression.

Description

Connecting type minisize single-cylinder air pump

The utility model relate to with the pump that is combined as feature of drive motor, especially have the pump of electric drive.

Existing pump with electric drive, for example 92202541 * miniature pumping machine, 912047984 portable air pumps and 922038112 electric inflaters exist that structure is owed compact, speed change and drawbacks such as exquisiteness are owed in the transmission device design.

The purpose of the utility model is to provide that a kind of structure is compact, speed change and transmission device design are relatively more exquisite, thereby the littler novel conjoined type single cylinder air pump that declines of volume.

The miniature single cylinder air pump of integrated type is made up of motor and dress speed change parts, transmission part and air pump thereon.The speed change parts comprise the worm screw that is contained on the motor shaft, with the worm gear in the gearbox casing of being contained in of worm meshing.Transmission part comprises the transmission shaft that is contained on the worm gear, is contained in the drive plate on the transmission shaft, is contained in the transmission pin on the drive plate.

Below in conjunction with embodiment shown in the drawings, the utility model is explained in detail.

Accompanying drawing 1 is the utility model plan view, and accompanying drawing 2 is air pump plan views.In above-mentioned two accompanying drawings: 1, housing, 2, lower cover, 3, motor shaft, 4, gear shift cover, 5, worm screw, 6, worm gear, 7, lining, 8, gearbox casing, 9, loam cake, 10, key, 11, drive plate, 12, transmission shaft, 13, screw, 14, one-way valve, 15, the transmission pin, 16, supporting plate, 17, stator, 18, rotor, 19, piston, 20, connecting rod, 21, cylinder block, 22, piston ring, 23, air valve seat, 24, outlet valve, 25, suction valve.

As shown in Figure 1: the miniature single cylinder air pump of integrated type is made up of single phase motor and the speed change parts, transmission part and the single cylinder air pump that are contained on the single phase motor.Single phase motor comprises housing 1, is contained in the stator 17 in the housing 1 and the rotor 18 of charged arbor 3, is contained in the loam cake 9 and the lower cover 2 at housing 1 two ends, and loam cake 9 and lower cover 2 and housing 1 usefulness screw rod are fastening, on loam cake 9 and the lower cover 2 bearing are arranged, and motor shaft 3 is contained in the bearing.The speed change parts comprise the worm screw 5 that is contained on the motor shaft 3, with the worm gear 6 in the gearbox casing 8 of being contained in of worm screw 5 engagement.Transmission part comprises the transmission shaft 12 that is contained on the worm gear 6, be contained in the drive plate 11 on the transmission shaft 12, be contained in the transmission pin 15 on the drive plate 11, between transmission shaft 12 and the gearbox casing 8 lining 7 is arranged, worm gear 6 connects by key 10 with transmission shaft 12, drive plate 11 connects by key 10 and screw 13 with transmission shaft 12, and transmission pin 15 and cover connecting rod 20 usefulness back-up rings and nut thereon are fixed on the drive plate 11.Air pump comprises cylinder block 21, support the air valve seat 23 and the supporting plate 16 of cylinder block 21, air valve seat 23 and supporting plate 16 are screwed on electric machine casing 1, by straight pin with connecting rod 20 dress piston 19 thereon, piston ring 22 on the piston 19, and being contained in one-way valve 14 on the air pump, gear shift cover 4 is screwed on gearbox casing 8.

As shown in Figure 1: gearbox casing 8 is an integral body with the loam cake 9 of motor, promptly makes a part.Deceleration component, transmission part and air pump all are contained on the motor, become the integrated type air pump.

As shown in Figure 2: suction valve 25 and outlet valve 24 are arranged on the air valve seat 23, and suction valve 25 and outlet valve 24 communicate with cylinder block 21, and outlet valve 24 is connected with one-way valve 14.Cylinder block 21 and

air valve seat

23 and 4 Bolt Connection of supporting plate 16 usefulness.

From accompanying drawing 1 and accompanying drawing 2 as can be known: after motor got electric rotor 1 and rotates, motor shaft 3 and dress worm screw 5 were thereon rotated synchronously.Worm screw 5 reduces rotating speed when driving worm gear 6.Worm gear 6 drives transmission shaft 12, transmission shaft 12 drives drive plate 11, drive plate 11 drives transmission pin 15, transmission pin 15 drivening rods 20, connecting rod 20 drives piston 19 and pumps, make air pump work, the atmospheric air that sucks from suction valve 25 is become pressurized air, entering by outlet valve 24 and one-way valve 14 needs compressed-air actuated occasion.

Obviously, the utility model is owing to adopt the worm and gear speed change, transmission shaft, drive plate and the transmission of transmission pin, all be contained in speed change parts, transmission part and air pump on the motor, therefore have compact structure, deft design, advantages such as volume is little, in light weight, noise is low, high working efficiency, good reliability, the inflation and the compressed-air actuated occasion of various needs that can be widely used in vehicle, sports goods, air cushion article etc., for example automatic bactericidal hand cleaner etc. requires the take offence occasion of pump of miniature fax.

Embodiment shown in the drawings is a kind of miniature single cylinder air pump of integrated type that cooperates automatic bactericidal hand cleaner, and boundary dimension is 110 * 75 * 155mm, power of motor 40W.The worm and gear rotating ratio is 2830:170 rev/min, and air pump air pressure is 0.16～0.24MPa.

Claims

1, the miniature single cylinder air pump of a kind of integrated type is made up of motor and dress speed change parts, transmission part and air pump thereon, it is characterized in that:

-speed change parts comprise the worm screw (5) that is contained on the motor shaft (3), with the worm gear (6) in the gearbox casing (8) of being contained in of worm screw (5) engagement;

-transmission part comprises the transmission shaft (12) that is contained on the worm gear (6), is contained in the drive plate (11) on the transmission shaft (12), is contained in the transmission pin (15) on the drive plate (11);

-gearbox casing (8) is an integral body with the loam cake (9) of motor.