CN2864149Y

CN2864149Y - Foam pump

Info

Publication number: CN2864149Y
Application number: CN200620109913.8U
Authority: CN
Inventors: 潘景源
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-02-07
Filing date: 2006-02-07
Publication date: 2007-01-31
Anticipated expiration: 2016-02-07

Abstract

The utility model relates to a foam pump comprising a press knob, a foaming net in the liquid-out pipe of the press knob, an eye bolt whose upper part is looped in the press knob and fits in clearance with the press knob, a body whose upper opening end is fixed with the eye bolt, and a glass ball at the liquid-entering opening in the body. It is characterized in that: the foam pump also comprises a hollow upper main column in the threaded screw with section in ''Protruding'' shape, whose upper opening end is in the liquid-out pipe of the press knob and fits tightly with that and lower opening end has a bayonet; the foam pump also comprises a hollow lower main column in the threaded screw and the body, whose upper opening end is in the upper main column and fits tightly with that and lower opening end is in the liquid-entering pipe of the body; the foam pump comprises also a spring, which is looped on the lower main column; comprises also a cylinder piston in the threaded screw and the body, its upper opening end is in the bayonet of the upper main column, the outer wall of the lower opening end contacts and fits in sealed way with the inner wall of the body; the foam pump comprises also a secondary column in the body and lower main column, it is at the lower opening end of the lower main column, it can open or close the lower opening end of the lower main column; the foam pump comprises also a liquid piston, which is looped on the secondary column. It has greatly reduced installation work and improved efficiency. The sealing behavior is reliable, foam pump is not liable to damage, so quality is improved.

Description

Foam pump

Technical field

The utility model relates to a kind of foam pump.

Background technique

One " foam pump " arranged at present on the market, and it comprises head, foam screen, thread, cylinder piston, liquid piston, silica gel sheet, spring, connecting rod, spring pedestal, bead, body, pad, suction pipe; (1) connecting rod is arranged in the body, it couples together liquid piston, spring, spring pedestal and constitutes an one-way valve, and there is complex structure in this kind structure, the problem that installation workload is big.(2) cylinder piston, liquid piston, silica gel sheet three constitute an one-way valve, and in use, silica gel sheet liquid seal performance is not good and fragile, and liquid can leak in the cylinder of body.(3) spring is installed in the liquid cylinder, can be corroded with the liquid contact for a long time.

The model utility content

The purpose of this utility model exists in order to solve in the existing foam pump: (1) complex structure, the problem that installation workload is big, and a kind of simple in structure, foam pump that installation workload is little is provided.(2) problem of leakage.(3) problem that is corroded of spring, and provide a kind of can leakage and a kind of foam pump that can not get rusty of spring.

In order to achieve the above object, the utility model be achieved in that it comprise head, be located at foam screen, a upper end part in the head drain pipe be set in the head and thread, the body that upper open end is fixedlyed connected with thread and the bead that is located at the body liquor inlet of Spielpassung with it; It is characterized in that: also comprise hollow the last principal post that is located in the thread, its section is convex shape, and the drain pipe that upper open end is positioned at head is drive fit with it also, and its lower open end is provided with bayonet socket; Also comprise being located at thread and intrinsic hollow down principal post, its upper open end is positioned at also drive fit with it of principal post, and its lower open end is positioned at the liquid-in pipe of body; Also comprise spring, it is set in down outside the principal post; Also comprise being located at thread and intrinsic cylinder piston, its upper open end is located in the bayonet socket of principal post, and the outer wall of lower open end contacts with inner body wall and is sealed and matched; Comprise that also being located at body reaches the interior subpost of principal post down, it is located at down the lower open end of principal post, and it can will descend the lower open end of principal post to open or close; Also comprise liquid piston, it is set in outside the subpost.

The utility model further is improved to, and the cooperation place of the upper end of following principal post and last principal post lower end is provided with many muscle.Subpost is provided with many muscle with cooperation place, following principal post lower end, and the lower end of subpost is a sealed end, and it is " m " shape.The upper open end of last principal post be inserted between foam screen and the fluid tube wall and with its drive fit.The wall of the upper open end of cylinder piston is " H " shape, thereby has formed the open valve of gas flow.The wall of liquid piston is " H " shape, thereby can well seal and move up and down.

The utility model advantage compared with prior art is:

1, owing to adopted the technical solution of the utility model, only need during installation liquid piston is packed into down on the external diameter of principal post bottom through-hole, the through hole that subpost is pressed into down bottom the principal post can constitute one-way valve again; Compare with existing one-way valve, spring can be installed separately, has significantly reduced installation workload, has improved efficient.

2, owing to adopted the technical solution of the utility model, only need during installation cylinder piston is packed on the external diameter of principal post bottom through-hole, can constitute one-way valve to the through hole that descends principal post to be pressed into the principal post bottom again; Compare with existing single valve, sealability is reliable, and is not fragile, improved the quality of product.

3, owing to adopted the technical solution of the utility model, only need during installation spring is put on the limited step of body bottom, the module of compositions such as liquid piston, subpost and following principal post is fitted inside from the internal diameter of spring get final product again.

4, compared with prior art, spring and liquid are kept apart, have avoided the corrosion of spring, and the installation of spring is simple, quick, has improved efficient.

Description of drawings

Fig. 1 is the explosive view of foam pump described in the utility model;

Fig. 2 is the structural representation of foam pump described in the utility model;

Fig. 3 to 5 is work schematic representation of the embodiment of foam pump described in the utility model when being used on the emulsion bottle.

Among the figure 1, head, 2, foam screen, 3, go up principal post, 4, cylinder piston, 5, principal post down, 6, liquid piston, 7, subpost, 8, body, 9, pad, 10, suction pipe, 11, bead, 12, spring, 13, thread, 14, clamp.

Embodiment

Below in conjunction with drawings and Examples the utility model is done further detailed description:

As shown in Figure 1, 2, it comprise head 1, be located at foam screen 2, a upper end part in the head drain pipe be set in the head 1 and thread 13, the body 8 that upper open end is fixedlyed connected with thread 13 and the bead 9 that is located at the body liquor inlet of Spielpassung with it.Between body 8 and thread 13, be provided with seal ring 9, outside thread 13, also be provided with and make its location and removable clamp 14.In thread 13, also be provided with hollow on principal post 3, its section is convex shape, upper open end is positioned at the drain pipe of head 1 and drive fit with it, its lower open end is provided with bayonet socket 31; Be provided with hollow down principal post 5 in body 8, its upper open end is positioned at also drive fit with it of principal post, is provided with many muscle 51 in the cooperation place, and its lower open end is positioned at the liquid-in pipe of body 8, also is being arranged with spring 12 outside descending principal post.In body 8 and thread 13, also comprise cylinder piston 4, the wall 41 of its upper open end is " H " shape, it is located in the bayonet socket 31 of principal post, thereby formed the open valve of gas flow, the outer wall of its lower open end contacts with inner body wall and is sealed and matched, and the wall of its lower open end is provided with " V " shape mouth.Reach in the body 8 in following principal post 5 and be provided with subpost 7, it can will descend the lower open end of principal post to open or close, and it is provided with many muscle 71 with cooperation place, following principal post 5 lower end, and the lower end of subpost is a sealed end 72, and it is " m " shape.Also comprise liquid piston 6 outside subpost 7, the wall 61 of liquid piston is " H " shape, thereby can well seal and move up and down.

The through hole of during installation subpost being compressed into down the principal post bottom gets final product.During pump pressure, take off clamp 14, shown in Fig. 3,4, bead 11 is sealed the through hole of body 8 bottoms, the link that following principal post 5 and subpost 7 are formed is to lower slider, and valve is opened immediately, and a bit of distance back of waiting to slide drives liquid piston 6 together to lower slider, make to press in the body 8 to increase, liquid just makes progress through being discharged by the liquid outlet of head 1 in the principal post 5 down from the gap of subpost 7 with liquid piston 6.After unclamping head 1, as shown in the figure, head 1 is by jack-up under spring 12 power effects, be that down the link formed of principal post 5 and subpost 7 upwards slides equally, valve closes, and drives liquid piston 6 subsequently and upwards slides together, make and produce negative pressure in the body 8, bead 11 is picked up, and the through hole of body 8 bottoms is got through, and liquid is inhaled in the body 8 so that the use of next pump pressure in the bottle.

The foregoing description is only for the usefulness that the utility model is described; and be not to be to restriction of the present utility model; person skilled in the relevant technique; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technological schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.

Claims

1, a kind of foam pump, it comprises head, be located at foam screen, a upper end part in the head drain pipe be set in the head and thread, the body that upper open end is fixedlyed connected with thread and the bead that is located at the body liquor inlet of Spielpassung with it; It is characterized in that: also comprise hollow the last principal post (3) that is located in the thread (13), its section is convex shape, and the drain pipe that upper open end is positioned at head is drive fit with it also, and its lower open end is provided with bayonet socket (31); Also comprise the hollow principal post (5) down that is located in thread (13) and the body (8), its upper open end is positioned at also drive fit with it of principal post, and its lower open end is positioned at the liquid-in pipe of body (8); Also comprise spring (12), it is set in down outside the principal post (5); Also comprise being located at thread (13) and the interior cylinder piston (4) of body (8), its upper open end is located in the bayonet socket (31) of principal post, and the outer wall of lower open end contacts with inner body wall and is sealed and matched; Comprise that also being located at body (8) reaches the interior subpost (7) of principal post (5) down, it is located at down the lower open end of principal post (5), and it can will descend the lower open end of principal post to open or close; Also comprise liquid piston (6), it is set in outside the subpost (7).

2, foam pump according to claim 1 is characterized in that: the cooperation place of the upper end of following principal post (5) and last principal post (3) lower end is provided with many muscle (51).

3, foam pump according to claim 1 is characterized in that: subpost (7) is provided with many muscle (71) with following principal post (5) cooperation place, lower end, and the lower end of subpost is sealed end (72), and it is " m " shape.

4, foam pump according to claim 1 is characterized in that: the upper open end of going up principal post (3) be inserted between foam screen (2) and the fluid tube wall and with its drive fit.

5, foam pump according to claim 1 is characterized in that: the wall (41) of the upper open end of cylinder piston (4) is " H " shape, thereby has formed the open valve of gas flow.

6, foam pump according to claim 1 is characterized in that: the wall of liquid piston (61) is " H " shape, thereby can well seal and move up and down.