CN103104436A

CN103104436A - Vacuum air pump

Info

Publication number: CN103104436A
Application number: CN2011103853356A
Authority: CN
Inventors: 朱坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-14
Filing date: 2011-11-14
Publication date: 2013-05-15

Abstract

A vacuum air pump comprises a pump body, an inner pump and a vacuum indication button. Under the action of external force, the inner pump moves downwards and pumps air in a working cavity arranged inside the lamp body. After an air pumping hole in a piston is opened by a check valve on the inner pump, the pumped air raises to the air pumping hole along a hollow column. When a spring resets and moves upward, the inner pump closes the air pumping hole and the air is discharged at the same time. The vacuum indication button judges a vacuum degree of a pumped vacuum container according to different vacuum degrees of the pumped vacuum container and different distance with the upper end face of the piston. The vacuum air pump is simple in structure, convenient to use and provided with the vacuum indication button.

Description

Vacuum air pump

Technical field

The novel extraction pump that relates to of the present invention relates in particular to a kind of vacuum air pump.

Background technique

Existing extraction pump is all to vacuumize by the pull piston, and vacuumizing is to need two hands to coordinate the pull piston, and turns round without the vacuum indication, can't in time know the state of vacuumizing.

Summary of the invention

The object of the invention is to overcome the defective of prior art, a kind of easy to use, aesthetic in appearance, extraction pump of having vacuum indication to turn round is provided.

The object of the present invention is achieved like this: a kind of vacuum air pump comprises that the pump housing 1, interior pump 2, vacuum indication turn round 4.Be provided with active chamber 3 in the described pump housing 1, active chamber 3 upper ends are circular opens, the lower end is provided with dividing plate 12 and is positioned at the pump housing 1 bottom inside, have in the middle of dividing plate 12 and run through dividing plate 12 with the neat high open tubular column 15 of the pump housing 1 and be positioned at active chamber 3 centers, interface 14 is arranged at the pump housing 1 bottom, can adjust interface 14 sizes according to the container that is evacuated.The dividing plate 12 of the pump housing 1, open tubular column 15, interface 14 are injection molded into an independent integral body.

Described interior pump is by on the open tubular column 15 that seal ring lid 11, seal ring 7, inner core 8, one-way valve 9, piston 6, vacuum indication turn round 4, transparent cover 5 is connected in active chamber 3 successively and be linked to be the integral body of activity separately.One-way valve 9 on described interior pump 2, seal ring 7, piston 6 are positioned at open tubular column 15 upper ends, inner core 8 is played seal action and interior pump 2 is fixed on the pump housing 1, described piston 6 is provided with two bleeder holes 13, described one-way valve 9 is opened bleeder hole 13 at interior pump 2 when pressing down, and closes bleeder hole 13 and exhaust simultaneously when moving on spring 10 resets.

Vacuum indication is turned round 4 and 3 is moved up and down and vacuumize in active chamber along with interior pump 2, and along with degree of vacuum is different, it is 4 different with the distance of piston 6 upper-end surfaces that the vacuum indication is turned round, thereby judgement is evacuated the degree of vacuum of container.Turn round 4 when dropping to piston 6 upper-end surface when vacuum indication, illustrate that being evacuated container is in vacuum state, push down immediately interior pump and counterclockwise rotate, interior pump 2 pins and is hidden in the pump housing 1, and clockwise direction rotates, and interior pump 2 is opened and upspring.

Described spring 10 is arranged between interior pump 2 and dividing plate 12.

The vacuum air pump that the invention has the beneficial effects as follows simple in structure, easy to use, aesthetic in appearance, not power consumption, has the vacuum indication to turn round.

Description of drawings

The present invention is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is sectional drawing of the present invention;

Fig. 2 is the sectional drawing that the present invention uses state;

Fig. 3 is STRUCTURE DECOMPOSITION figure of the present invention.

In figure: 1, the pump housing 2, interior pump 3, active chamber 4, vacuum indication are turned round

5, transparent cover 6, piston 7, seal ring 8, inner core

9, one-way valve 10, spring 11, seal ring lid 12, dividing plate

13, bleeder hole 14, interface 15, open tubular column

Embodiment

When the vacuum extraction pump be evacuated container and be connected after, interior pump 2 moves downward exhaust under external force in active chamber 3, one-way valve 9 is opened the bleeder hole 13 on piston 6, institute's exhaust rises to bleeder hole 13 along open tubular column 15, and one-way valve 9 is closed bleeder hole 13 and exhaust simultaneously when interior pump 2 moves on spring 10 resets.

Certainly, the above embodiment is only preferred embodiment of the present invention, can not therefore limit protection scope of the present invention, therefore the equivalence that all shapes according to the present invention, structure and principle are done changes, all should be covered by in protection scope of the present invention.

Claims

1. vacuum air pump, it is characterized in that, comprise the pump housing (1), interior pump (2), (4) are turned round in the vacuum indication, be provided with active chamber (3) in the described pump housing (1), active chamber (3) upper end is a circular open, active chamber (3) lower end is provided with dividing plate (12) and is positioned at the pump housing (1) bottom inside, have in the middle of dividing plate (12) and run through dividing plate (12) with the neat high open tubular column (15) of the pump housing (1) and be positioned in the middle of active chamber (3), interface (14) is arranged at the pump housing (1) bottom, can adjust interface (14) size according to the container that is evacuated, the dividing plate (12) of the pump housing (1), open tubular column (15), interface (14) is injection molded into an independent integral body, described interior pump is by seal ring lid (11), seal ring (7), inner core (8), one-way valve (9), piston (6), (4) are turned round in the vacuum indication, the open tubular column (15) that transparent cover (5) is connected in active chamber (3) is successively gone up and is linked to be can be separately movable interior pump (a 2) integral body.

2. a kind of vacuum air pump according to claim 1, it is characterized in that, one-way valve (9) on described interior pump (2), seal ring (7), piston (6) is positioned at open tubular column (15) upper end, inner core (8) is played seal action and interior pump (2) is fixed on the pump housing (1), interior pump (2) moves downward exhaust under external force in active chamber (3), one-way valve (9) is opened the bleeder hole (13) on piston (6), institute's exhaust rises to bleeder hole (13) along open tubular column (15), one-way valve (9) is closed bleeder hole (13) and exhaust simultaneously when interior pump (2) moves on spring (10) resets.

3. a kind of vacuum air pump according to claim 1, is characterized in that, interior pump (2) is when vacuumizing, and the distance that (4) and piston (6) upper-end surface are turned round in indication according to vacuum judges the degree of vacuum of being taken out container.

4. a kind of vacuum air pump according to claim 1, it is characterized in that, interior pump (2) is pushed down counterclockwise rotation of interior pump (2) after having taken out vacuum, and interior pump (2) pins and is hidden in the pump housing (1), the clockwise direction rotation, interior pump (2) is opened and is upspring.