CN201580692U

CN201580692U - Fluid squeeze pump with controllable squeezing volume

Info

Publication number: CN201580692U
Application number: CN2009203513530U
Authority: CN
Inventors: 赖汉卿
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-30
Filing date: 2009-12-30
Publication date: 2010-09-15
Anticipated expiration: 2019-12-30

Abstract

A fluid squeeze pump with controllable squeezing volume is provided with a cylinder, a piston tube is arranged inside the cylinder, the piston tube penetrates out from an extending hole of a cylinder end at an outlet end of the cylinder, a press head is arranged at the upper end of the piston tube, and the press head is provided with a liquid outlet pipe. Further, opposite screwing portions are arranged between the press head and the a cylinder end cover, an annular screw cover is arranged between the cylinder end cover and the cylinder, the cylinder is assembled onto a mouth of a container by aid of the screw cover, and additionally, a check device and an elastic component are arranged inside the piston tube and lead the press head to squeeze liquid inside the container out from the liquid outlet pipe when the press head is repeatedly pressed up and down. The fluid squeeze pump is mainly characterized in that a stop ring is screwed with the cylinder end cover and can rotate relatively to the same, then the upper end of the stop ring can be close to or far away from the press head so as to adjust distance between the upper edge of the stop ring and the press head, and further distance of the press head being pressed downwards can be controlled so as to limit squeezing volume of the liquid inside the container.

Description

The fluid squeegee pump device of may command extrusion capacity

Technical field

The utility model relates to a kind of fluid squeegee pump device of may command extrusion capacity, refers to a kind of squeegee pump device of pushing for the user as on the liquid receptacles such as the breast of having one's hair wash, the breast of washing one's hands, bath oil that is applied in especially.

Background technology

All can the one squeegee pump device of the liquid cleaning agent in the container being extruded for the user pushes up and down repeatedly be arranged device on the liquid receptacles such as general hair washing breast, the breast of washing one's hands, bath oil or cleaning agent.And representative type squeegee pump device, as shown in Figure 1, it has a cylinder barrel 10, be provided with an inner carrier pipe 11 in the cylinder barrel 10, this inner carrier pipe 11 is to stretch out hole 13 by one of the auspicious cylinder end cap 12 of cylinder barrel 10 outlets to pass, and piston tube 11 upper ends have one and press head 15, press the drain pipe 14 that extends laterally out of head 15, press head 15 to be provided with

relative screw part

16,17 with 12 of cylinder end caps, press head 15 and cylinder end cap 12 to be screwed togather mutually and fixed by

screw part

16,17 when not breaking a seal,

screw part

16,17 then is separated from each other when running condition; Cylinder end cap 12 and

cylinder barrel

10,18 of shoulders of ring are folded with the spiral cover 19 of annular, by spiral cover 19 cylinder barrel 10 is assembled on the container bottleneck of (figure does not show), be provided with a piston apparatus 21 in the piston tube 11 in addition, 22 of the tail pipes of cylinder barrel 10 are provided with a backstop 23, and the suction pipe 24 at the bottom of extending to container bottle in continuing on the tail pipe 22, cooperate piston tube 11 below butts one retracing spring 25 in the cylinder barrel 10, this piston tube 11 can be born press head 15 to press down and displacement, while compression reseting spring 25, discharged under the reciprocal start that potential energies move on pushing tow by this retracing spring 25, liquid drawing in the bottle is come out.

But as seen from the figure, it is when the running condition of pushing for the user, the not restriction of stroke of pressing head 15 to be pressed, meaning is that the user when pushing at every turn, all can will press head 15 to pressing to till cylinder end cap 12 contacts, therefore, if do not need too many hair washing breast, the breast of washing one's hands, or under the situation such as bath oil, just need the user when pushing, to control the stroke that it presses down, just can once not extrude too much hair washing breast, the breast of washing one's hands, or bath oil etc., but in fact quite be difficult to control the application of force size that presses down, especially child more is difficult to control power, so tend to extrude too much hair washing breast, the breast of washing one's hands, or liquid such as bath oil, not only cause waste, also be a kind of burden, also can cause the waste of water resource environment.

The utility model content

Therefore, this later-model purpose is promptly providing a kind of can control to press down the squeegee pump device of stroke with the extrusion capacity of confined liquid.

So, this later-model fluid squeegee pump device, has a cylinder barrel, be provided with a piston tube in this cylinder barrel, this piston tube is to stretch out the hole by one of the cylinder end of this cylinder barrel exit end to pass, and this piston tube upper end is provided with one and presses head, this pressure head is provided with a drain pipe, be provided with relative screw part between this pressure head and this cylinder end cap again, and be provided with between this cylinder end cap and this cylinder barrel the annular a spiral cover, cylinder barrel is assembled in the bottleneck of a container by this spiral cover, be provided with a backstop and an elastic element in this piston tube in addition, when this press head is pushed up and down repeatedly the liquid in this container is extruded by this drain pipe, be primarily characterized in that: be provided with a stop ring and screw togather also and can rotate relatively with this cylinder end cap, make this stop ring upper limb can near or away from this pressures head, adjust the distance of upper limb and this pressure head of this stop ring thus, and then control distance that this pressure head presses down to limit the extrusion capacity of liquid in container.

The beneficial effects of the utility model are: it can be controlled and press down the extrusion capacity of stroke with confined liquid.

Description of drawings

About this later-model aforementioned and other technology contents, characteristics and effect, in the detailed description of a following cooperation preferred embodiment with reference to the accompanying drawings, can clearly present, wherein:

Fig. 1 is the generalized section of known fluid squeegee pump device.

Fig. 2 is the generalized section of fluid squeegee pump device one preferred embodiment of this later-model may command extrusion capacity;

Fig. 3 is the scheme drawing of Fig. 2 stroke limiting when pressing head to press down.

The specific embodiment

The fluid squeegee pump device of this later-model may command extrusion capacity, as shown in Figure 2, identical with aforementioned most structure, therefore identical member is then quoted identical numbering, it has a cylinder barrel 10, be provided with a piston tube 11 in this cylinder barrel 10, this piston tube 11 is to stretch out hole 13 by one of the cylinder end of these cylinder barrel 10 exit end to pass, and these piston tube 11 upper ends are provided with one and press head 15, this pressure head 15 is provided with a drain pipe 14, this pressure head 15 is provided with relative screw part 16 with 12 of this cylinder end caps again, 17, and 10 of this cylinder end cap 12 and this cylinder barrels are provided with a spiral cover 19 of annular, by this spiral cover 19 cylinder barrel 10 is assembled in the container bottleneck of (figure does not show), is provided with a backstop 23 and an elastic element 25 in this piston tube 12 in addition, when this pressure head 15 is pushed up and down repeatedly the liquid in this container is extruded by this drain pipe 14.Because above-mentioned squeezing action is known, and non-later-model emphasis, promptly repeats no more in this.

These later-model characteristics are, being provided with a stop ring 26 screws togather also and can rotate relatively with this cylinder end cap 12, make this stop ring 26 upper limb can near or away from this pressure head 15, and the lower edge of this stop ring 26 is provided with a

short slot

27,11 of this piston tube are provided with a projection 28 accordingly, by combining of this projection 28 and this short slot 27, can utilize this piston tube 11 of axial rotation to rotate this stop ring 26, and then adjust the position of this stop ring 26 with respect to this cylinder end cap 12, so can adjust the distance of upper limb and this pressure head 15 of this stop ring 26, when the upper limb of stop ring 26 is more pressed head 15 near this, the user forces in that these pressure head 15 downward strokes will be stopped by the upper limb of stop ring 26 and all the more shortens, therefore the liquid extrusion capacity is reduced, reach what purpose of control extrusion capacity thus, so the user can adjust optimal extrusion capacity voluntarily, reaches the purpose of economy and environmental protection.

Only above-described, it only is this later-model preferred embodiment, when the scope that can not limit this novel enforcement with this, promptly every simple equivalent of doing according to this novel claim and novel description changes and modifies, and all still belongs in the scope that this novel claim contains.

Claims

1. the fluid squeegee pump device of a may command extrusion capacity, has a cylinder barrel, be provided with a piston tube in this cylinder barrel, this piston tube is to stretch out the hole by one of the cylinder end of this cylinder barrel exit end to pass, and this piston tube upper end is provided with one and presses head, this pressure head is provided with a drain pipe, be provided with relative screw part between this pressure head and this cylinder end cap again, and be provided with between this cylinder end cap and this cylinder barrel the annular a spiral cover, cylinder barrel is assembled in the bottleneck of a container by this spiral cover, be provided with a backstop and an elastic element in this piston tube in addition, when this press head is pushed up and down repeatedly the liquid in this container is extruded by this drain pipe, be primarily characterized in that: other is provided with a stop ring and screws togather also and can rotate relatively with this cylinder end cap, make this stop ring upper limb can near or away from this pressure head, adjust the distance of upper limb and this pressure head of this stop ring thus, and then control distance that this pressure head presses down extrusion capacity with the restriction liquid in container.

2. according to the fluid squeegee pump device of the described may command extrusion capacity of claim 1, wherein, the lower edge of this stop ring is provided with a short slot, this piston tube then is provided with projection accordingly, by combining of this projection and this short slot, rotate this stop ring to utilize this piston tube of axial rotation, and then adjust the position of this stop ring with respect to this cylinder end cap.