CN2549202Y

CN2549202Y - Small air pump structure

Info

Publication number: CN2549202Y
Application number: CN 01278393
Authority: CN
Inventors: 曾瑞春
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-12-17
Filing date: 2001-12-17
Publication date: 2003-05-07
Anticipated expiration: 2011-12-17

Abstract

The utility model relates to a small air pump structure, comprising a base seat for fixing the motor, an air pumping stand, a sole base and an outside cover; wherein, the transmission plate inside the base seat drives the air pumping stand chamber to expand and contract with the help of the eccentric pull bar of the transmission plate; the sole seat is provided with air intake hole and air vent passage; the side of the outside cover facing the sole seat is divided into an open intake chamber and a close containing chamber; the intake chamber is excavated with intake hole to communicate with the intake hole in the sole seat, and the containing chamber is dug a through hole for the insertion of the air vent passage of the sole seat; and one side of the containing chamber extends to connect with an air storage chamber which is molded with an air nozzle. Due to the above design, the outside air is delivered into the air chamber through the intake holes in the outside cover and the sole seat, and then is compressed out and delivered to the containing chamber through the air vent passage and is stored inside the air storage chamber, after the constant air flow is formed, the air is discharged through the air nozzle 431.

Description

The structure of small-sized air-inflating device

＜one〉technical field

The utility model refers to a kind of small-sized air-inflating device of stablizing output gas flow and having reduction vibrations and noise effect especially about a kind of improved structure of small-sized air-inflating device, belongs to the equipment of inflating.

＜two〉background technique

Generally in order to be installed in the small-sized air-inflating device on aquarium or the medical equipment (as sphygmomanometer), its structure generally as shown in Figures 1 and 2, inflate platform 20, base 30 and the lid that comprise an interior space base seat 10 that is installed with motor 101, are arranged at pedestal 10 belows are located at enclosing cover 40 on the base 30, form admittedly via some bolt 50 spiral shells with upper member; Wherein, be provided with one in the pedestal 10 and be convexly equipped with a drive block 103 that tilts eccentric driving lever 104 with motor 101 rotating shafts 102 rotation synchronously and towards inflating platform 20; Inflate platform 20 bottom surfaces and set the soft liner 201 of two air chambers 202 of a slice moulding, air chamber 202 end faces protrude out one respectively and pass and inflate then sheathed one connection piece 204 that driven by driving lever 104 on nose bar 203, two nose bars 203 of platform 20; The corresponding air chamber 202 of base 30 an end faces and soft diaphragm 302 is set respectively, diaphragm 302 lids overlay on the inlet hole 301 of base 30, moulding one outlet passageway 303 in addition on the base 30; Enclosing cover 40 has confesses the outlet nozzle 401 that gas passage 303 is pegged graft, and these enclosing cover 40 lids are also offered an inlet hole 402.Use setting, when motor 101 rotating shafts 102 drive the driving lever 104 eccentric rotations of drive block 103, this driving lever 104 will drive the athletic performance of beat up and down about connection piece 204 works, see also Fig. 2 and shown in Figure 3, thus, the air chamber 202 of liner 201 will be continuous compression and diastole state, mat it, when enlarging when air chamber 202 diastoles, the inlet hole 402,301 that ambient air will follow enclosing cover 40 and base 30 is inhaled in the air chamber 202, is compressed into air chamber 202 and flatly collapses and be stressed the outlet nozzle 401 that outlet passageway 303 from base 30 follows enclosing cover 40 and discharge.But the structure of this known small-sized air-inflating device, its internal gas except that continuous diastole of mat and compression air chamber 202 extrusion and directly discharge the small-sized air-inflating device from outlet passageway 303 and outlet nozzle 401, in fact, this kind mode of inflating tend to because two air chambers 202 constantly this disappears that is long and produce when inflating at interval, oppressed gas is desultory mode then and is discharged from, thus, just cause the gas output problem of unstable, simultaneously, the gas of break transfer also can form collision and cause vibrations and noise in device, cause user's discomfort, really need to be improved to be only.

The purpose of this utility model ties up to the structure that a kind of small-sized air-inflating device is provided, and mainly makes it have vibrations and noise are stablized and reduced to output gas flow advantage and effect.

＜three〉summary of the invention

The structure of a kind of small-sized air-inflating device of the utility model, comprise a pedestal that sets firmly motor, be arranged at the pedestal below inflate platform, base and an enclosing cover; Wherein, being provided with one in the pedestal rotates synchronously and is convexly equipped with a drive block that tilts eccentric driving lever with motor; Inflate the platform bottom surface and set the liner of two air chambers of a slice moulding, the air chamber end face protrudes out a nose bar respectively, the connection piece that two nose bars and sheathed are driven by driving lever; The corresponding air chamber of base top surface is provided with the diaphragm that covers on the base inlet hole respectively, moulding one outlet passageway in addition on the base; Its enclosing cover is separated to form an open suction chamber and closed room towards base one side, the suction chamber wall is offered the inlet hole of a connection base inlet hole, room digs establishes a perforation that supplies the base outlet passageway to plug, and this room one side is extended the gas storage chamber that connection one forms outlet nozzle; Mat it, the gas of air chamber compressing will follow outlet passageway and enter in room and the gas storage chamber and form steady air flow and discharge from the outlet nozzle of gas storage chamber.The utility model has the advantages that: air-flow output is stable, and vibrations and noise are little, use comfortable convenience.

＜four〉description of drawings

The three-dimensional exploded view of the known small-sized air-inflating device of Fig. 1;

The assembled sectional view of the known small-sized air-inflating device of Fig. 2;

The illustrative view of the known small-sized air-inflating device of Fig. 3;

The three-dimensional exploded view of Fig. 4 the utility model;

The assembled sectional view of Fig. 5 the utility model;

The illustrative view of Fig. 6 the utility model;

Number in the figure is as follows:

10,1 pedestal, 101,11 motors, 102,12 rotating shafts

103,13 drive blocks, 104,14

driving levers

20,2 are inflated platform

201,21 liners, 202,22 air chambers, 203,23 nose bars

204,24 connection pieces, 30,3 bases, 301,31 inlet holes

302,32 diaphragms, 303,33 outlet passageways, 40,4 enclosing covers

401 outlet nozzles, 402 inlet holes, 41 suction chambers

411 inlet holes, 412 shunting inlet holes, 42 rooms

421 perforation, 422 shrinkage pool 43 gas storage chambers of giving vent to anger

431 outlet nozzles, 50,5 bolts

＜five〉embodiment

See also shown in Figure 4ly, first kind of embodiment of the utility model comprises one and inflates platform 2, base 3 and an enclosing cover 4 in order to what set firmly space base seat 1 within the motor 11, be arranged at pedestal 1 below; Wherein:

Be provided with a drive block 13 that is installed in motor 11 rotating shafts 12 in the pedestal 1, drive block 13 is convexly equipped with the eccentric driving lever 14 that tilts towards inflating platform 2 directions;

Inflate platform 2 bottoms and set the liner 21 that a slice forms two air chambers 22, air chamber 22 end faces protrude out one respectively and pass and inflate sheathed one connection piece 24 that driven by driving lever 14 on nose bar 23, two nose bars 23 of platform 2;

The corresponding air chamber 22 of base 3 an end faces and soft diaphragm 32 is set respectively, this diaphragm 32 covers on the inlet hole 31 of base 3, and base 3 is in 32 on two diaphragms moulding one outlet passageway 33 in addition; Enclosing cover 4 is separated into an open suction chamber 41 and a closed room 42 towards base 3 one sides, suction chamber 41 walls are offered an inlet hole 411 that is connected with inlet hole 31 on the

base

3,42 of rooms dig establishes a perforation 421 that supplies base 3 gas-entered passageways 33 to plug, and these room 42 1 sides are extended connection one gas storage chamber 43, this gas storage chamber 43 and moulding one outlet nozzle 431.

About assembling of the present utility model then as shown in Figure 5, drive block 13 is installed in the rotating shaft 12 of motor 11, to inflate platform 2, base 3 and enclosing cover 4 again is fitted in the in addition end of pedestal 1 in regular turn, make driving lever 14 slotting the pulling on the connection piece 24 of air chamber 22 end face nose bars 23 of drive block 13, the diaphragm 32 corresponding air chambers 22 of base 3, the outlet passageway 33 of base 3 is then inserted and is pulled in the perforation 421 of the room 42 of enclosing cover 4, takes off member to constitute a small-sized air-inflating device before passing with bolt 5 at last; During use, the rotating shaft 12 of motor 11 drives drive block 13 rotations, the eccentric thereupon rotation of driving lever 14, make connection piece beat about in the of about 24, as Fig. 5 and shown in Figure 6, thus, enter in the expansion air chamber 22 with the

inlet hole

411,31 that can make ambient atmos follow enclosing cover 4 and base 3, the flat air chamber that collapses 22 outlet passageway 33 that gas follows base 3 of then extruding enters in the room 42, and constantly extrude with air chamber 22, gas in the room 42 will flow in the side gas storage chamber 43, be stored to be full of gas storage chamber 43 rears formation steady air flow from outlet nozzle 431 discharges.

By above-mentioned design as can be known the utility model mainly be that order is concentrated by a small amount of gas of air chamber 22 extrusion constantly to be stored in the gas storage chamber 43, waiting to accumulate the steady air flow that forms continuously naturally to a certain amount of back discharges automatically, therefore not having interrupted gas is stressed impact, vibrations and the noise that discharge causes, and has advantage and the effect that can stablize output gas flow.

Claims

The structure of 1 one kinds of small-sized air-inflating devices is characterized in that: its comprise one in order to the pedestal that sets firmly motor, be arranged at the pedestal below inflate platform, base and an enclosing cover; Wherein, being provided with one in the pedestal rotates synchronously and is convexly equipped with a drive block that tilts eccentric driving lever with motor; Inflate the platform bottom surface and set the liner of two air chambers of a slice moulding, the air chamber end face protrudes out a nose bar respectively, the connection piece that two nose bars and sheathed are driven by driving lever; The corresponding air chamber of base top surface is provided with the diaphragm that covers on the base inlet hole respectively, moulding one outlet passageway in addition on the base; Enclosing cover is separated to form an open suction chamber and closed room towards base one side, the suction chamber wall is offered the inlet hole of a connection base inlet hole, room digs establishes a perforation that supplies the base outlet passageway to plug, and this room one side is extended the gas storage chamber that connection one forms outlet nozzle.