CN2310177Y

CN2310177Y - Miniature mechanical pump

Info

Publication number: CN2310177Y
Application number: CN 97220355
Authority: CN
Inventors: 陈利全
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-07-04
Filing date: 1997-07-04
Publication date: 1999-03-10
Anticipated expiration: 2007-07-04

Abstract

The utility model relates to a miniature mechanical pump, which comprises an electromotor, a leather cup, a connecting frame, and a bottom plate. The leather cup and the connecting frame are formed into a compression cavity, a discharge chamber and an intake chamber are arranged on the connecting frame, the intake chamber is communicated with the compression cavity through an intake valve, and the discharge chamber is communicated with the compression cavity through a discharge valve. The discharge chamber is provided with a discharge pipe, one end of a drawing rod is fixed on the leather cup, the other end of the drawing rod is connected to a rocker arm, and an eccentric wheel and an eccentric shaft are arranged on an output shaft of the electromotor, wherein, the rocker arm is driven by the eccentric wheel and the eccentric shaft causing the drawing rod to do a reciprocating movement, and the electromotor and the connecting frame are fixed on the bottom plate. The utility model has the advantages of simple structure, and small volume. The adjustment of the compression air flow is realized, and the gas pressure is large after the gas is compressed.

Description

The micromechanics pump

The utility model relates to the mechanical pump technical field, is a kind of micromechanics pump, and it is specially adapted to inflate in lighter hydrocarbons liquid atmospheric gasification jar.

Present micropump is generally electronic micro-pump, mainly adopts the adverse current circuit breaker frequently to cut off the power supply, and overcomes spring tension, thereby makes the leather cup wriggling, realizes the compression to gas; There is following shortcoming in it: compression tolerance can't be regulated, and the gas pressure intensity after the compression is little.

In view of the problem of above-mentioned existence, the purpose of this utility model is to design the bigger micromechanics pump of gas pressure intensity after a kind of energy is regulated compression tolerance, compression.

The purpose of this utility model realizes by following measure: this micromechanics pump comprises motor, leather cup, link press span, base plate, leather cup and link press span constitute compression chamber, suction chamber and discharge chamber are arranged on the link press span, and suction chamber communicates with compression chamber by air inlet valve, discharge chamber communicates with compression chamber by air-outlet valve, and discharge chamber has steam outlet pipe, one end of pull bar is fixed on the leather cup, and the other end of pull bar is connected with rocking arm, the drive rocking arm is housed on the motor output shaft makes reciprocating eccentric wheel of pull bar and eccentric shaft, motor and link press span all are fixed on the base plate; Discharge chamber is the S type; Motor is fixed on the base plate by fixing frame; Have on the rocking arm by eccentric shaft and make the reciprocating sliding-groove of pull bar; Leather cup outer buckled mouthful with link press span interior and buckled the formation compression chamber that mouthful is sealed mutually; The compression chamber that two symmetries of two leather cups and two link press span formations are arranged has the rocking arm that passes through of two symmetries to drive reciprocating pull bar; Switch is housed on the steam outlet pipe; The door sheet of air inlet valve or air-outlet valve is that elastic caoutchouc is made; The door sheet of air inlet valve is contained in the suction chamber outside of link press span; The door sheet of air-outlet valve is contained in the discharge chamber inboard of link press span.

Accompanying drawing 1 be the A-A of the utility model most preferred embodiment to vertical view cutaway drawing, accompanying drawing 2 be the D of motor in the accompanying drawing 1 to view, accompanying drawing 3 be the C of rocking arm, pull bar and eccentric shaft in the accompanying drawing 1 to view,

Accompanying drawing 4 is for the master of accompanying drawing 1 looks partial sectional view,

Accompanying drawing 5 is the side view of suction chamber and discharge chamber in the accompanying drawing 1,

Accompanying drawing 6 is that the B-B of accompanying drawing 5 is to sectional view;

Coding in the accompanying drawing is respectively: 1 is motor, and 2 is eccentric wheel, and 3 is eccentric shaft, and 4 is rocking arm, and 5 is sliding-groove, 6 is pull bar, and 7 for connecting panel seat, and 8 for connecting base, and 9 is leather cup, 10 is outer button mouth, and 11 is interior button mouth, and 12 is air inlet valve, and 13 is suction chamber, 14 is air-outlet valve, and 15 is discharge chamber, and 16 is link press span, and 17 are fixing eye, 18 is steam outlet pipe, and 19 is three-way pipe, and 20 is switch, and 21 is shift bar, 22 is air hose, and 23 is compression chamber, and 30 is base plate, and 31 is fixing frame.

Below in conjunction with most preferred embodiment and accompanying drawing the utility model is further described:

As accompanying drawing 1,2,3,4, shown in 5 and 6, this micromechanics pump comprises motor 1, leather cup 9, link press span 16, base plate 30, leather cup 9 constitutes compression chamber 23 with link press span 16, suction chamber 13 and discharge chamber 15 are arranged on the link press span 16, and suction chamber 13 communicates with compression chamber 23 by air inlet valve 12, discharge chamber 15 communicates with compression chamber 23 by air-outlet valve 14, and discharge chamber 14 has steam outlet pipe 18, one end of pull bar 6 is fixed on the leather cup 9, and the other end of pull bar 6 is connected with Rocker arm 4, be equipped with on motor 1 output shaft and drive Rocker arm 4 and make pull bar 6 reciprocating eccentric wheel 2 and eccentric shaft 3, motor 1 and link press span 16 all are fixed on the base plate 30; After motor 1 starting, drive Rocker arm 4 by eccentric wheel 2 and eccentric shaft 3 and make pull bar 6 reciprocating, compress or expand thereby drive leather cup 9; When leather cup 9 compressed, under gas pressure, air inlet valve 12 cut out, and air-outlet valve 14 is opened, and made the gas in the leather cup 9 be pressed into discharge chamber 15 by air-outlet valve 14; When leather cup 9 was expanded, under suction function, air-outlet valve 14 was closed, and air inlet valve 12 is opened, and extraneous gas enters in the leather cup 9 through the air inlet valve 12 of suction chamber 13; Zhou Erfu is anti-like this, has just realized the compression to gas; This micromechanics pump is realized the adjusting to compression tolerance by regulating the rotating speed of motor 1; And the gas pressure intensity after the compression is bigger.

In order to cushion the gas that is pressed into discharge chamber 15, as shown in Figure 1, discharge chamber is preferably the S type, and has certain space; In order to make compression chamber 23 sealings that leather cup 9 and link press span 16 constitute better, shown in accompanying drawing 1 and 4, leather cup 9 outer buckle mouthfuls 10 and buckle the mouth 11 formation compression chamber 23 that is sealed mutually with link press span 16 interior; In order to make air inlet valve 12 or air-outlet valve 14, sealing better when closing, and when opening, can open flexibly, the door sheet of air inlet valve 12 or air-outlet valve 14 is preferably that elastic caoutchouc makes, and the door sheet of air inlet valve 12 preferably is contained in the outside of the suction chamber 13 of link press span 16, and the door sheet of air-outlet valve 12 preferably is contained in the inboard of the discharge chamber 15 of link press span 16; Reciprocating in order to be beneficial to pull bar 6, as shown in Figure 3, have on the Rocker arm 4 by eccentric shaft 3 to make the reciprocating sliding-groove 5 of pull bar 6; Shown in accompanying drawing 1 and 4, motor 1 preferably is fixed on the base plate 30 by fixing frame 31.

In order further to increase tolerance and to make the utility model compact structure, shown in accompanying drawing 1 and 4, the compression chamber 23 of two symmetries of two leather cups 9 and two link press span 16 formations is arranged preferably, and have the Rocker arm 4 that passes through of two symmetries to drive reciprocating pull bar 6; And the steam outlet pipe 18 of two discharge chambers 15 is summarised in together by three-way pipe 19; Give vent to anger for the ease of control, the switch 20 and the shift bar 21 of giving vent to anger are housed on the steam outlet pipe behind the three-way pipe 19, on the mouth of supplying gas of switch 20, air hose 22 is housed.

The aeration quantity of this micromechanics pump can be regulated in 0.6 to 0.8 cubic metre of/hour scope, and pressure can reach 15000 handkerchiefs.

Utilize the utility model also can realize conveying, play the effect of water pump liquid.

The utility model is simple in structure, volume is little, can realize that the gas pressure intensity after the compression is big to the adjusting of compression tolerance.

Claims

1. micromechanics pump, it is characterized in that comprising motor, leather cup, link press span, base plate, leather cup and link press span constitute compression chamber, suction chamber and discharge chamber are arranged on the link press span, and suction chamber communicates with compression chamber by air inlet valve, discharge chamber communicates with compression chamber by air-outlet valve, and discharge chamber has steam outlet pipe, one end of pull bar is fixed on the leather cup, and the other end of pull bar is connected with rocking arm, the drive rocking arm is housed on the motor output shaft makes reciprocating eccentric wheel of pull bar and eccentric shaft, motor and link press span all are fixed on the base plate.

2. micromechanics pump according to claim 1 is characterized in that discharge chamber is the S type.

3. micromechanics pump according to claim 1 is characterized in that motor is fixed on the base plate by fixing frame.

4. micromechanics pump according to claim 1 is characterized in that having on the rocking arm by eccentric shaft making the reciprocating sliding-groove of pull bar.

5. micromechanics pump according to claim 1, the outer button mouthful with link press span interior that it is characterized in that leather cup buckled the formation compression chamber that mouthful is sealed mutually.

6. micromechanics pump according to claim 1 is characterized in that having the compression chamber of two symmetries that two leather cups and two link press spans constitute, and has the rocking arm that passes through of two symmetries to drive reciprocating pull bar.

7. micromechanics pump according to claim 1 is characterized in that being equipped with on the steam outlet pipe switch.

8. micromechanics pump according to claim 1 is characterized in that the door sheet of air inlet valve or air-outlet valve is that elastic caoutchouc is made.

9. micromechanics pump according to claim 1 is characterized in that the door sheet of air inlet valve is contained in the suction chamber outside of link press span.

10. micromechanics pump according to claim 1 is characterized in that the door sheet of air-outlet valve is contained in the discharge chamber inboard of link press span.