CN1478604A - Regulator pump - Google Patents

Abstract

A harmonic pump able to prevent the contained substances from going bad is composed of container, screw cap for the mouth of said container, the push butter with nozzle, a sleeve tube, cylinder sleeve with one-way valve, a piston and the peripheral part of said piston. It features that it has also the stropper for said sleeve tube, a lower ring part and a spring between upper and lower ring parts.

Description

Regulator pump

Technical field

The present invention relates to regulator pump (Dispenser pump), exactly, is that a kind of preventing has the regulator pump of the new structure of superior assembling and durability because of going bad that the content interphase interaction produces.

Background technology

Be used for adorning cosmetics, washing agent and other containers liquid or thick material, be connected with regulator pump, be used for emitting quantitative built-in substance at its opening part.Fig. 1 represents the structure of former regulator pump, as shown in the figure, is connected in the upper end of screw-cap 2 at the upper end open place of container 1 at spiral, possesses the button 3 that is formed with nozzle 4.The bottom of button 3, the piston 9 that is connected with sleeve 6 can move up and down by the spring 8 that is built in the piston bush 10.The periphery of this piston 9 is equipped with seal member 12.In addition, the interior lower end of this piston bush 10 disposes spherical check valve 14, and is formed with peristome 15 in its lower end.The 5th, be located at the aluminium lid of screw-cap 2 outsides, 16 is enclosing cover, the 18th, packing ring.In addition, 20 is the piston that uses in vacuum type is in harmonious proportion device (Dispenser), can rise under the vacuum pressure effect of container 1 inside, thereby content is risen.

According to this configuration, press the button 3, the elastic force that sleeve 6 and piston 9 just overcome spring 8 descends, and the material in the cylinder sleeve 10 just spues from nozzle 4 by the path of sleeve 6 inside.At this moment, check valve 14 blocks the lower end of cylinder sleeve 10.Otherwise, decontrol button 3, in the elastic reaction lower sleeve 6 and the just rising of piston 9 of spring 8, check valve 14 is opened, and the material in the container 1 is flow in the cylinder sleeve 10.

But, the regulator pump in the past shown in the image pattern 1, because built-in steel spring 8 in the cylinder sleeve 10, contents such as cosmetics can contact with metal system spring 8.Will produce spring 8 like this and get rusty, and make problems such as the content that contacts with it goes bad.

For addressing the above problem, have motion to propose not ensconcing in the cylinder sleeves 10 in the spring 8, and as shown in Figure 2, with its be configured in button 3 inner bottom surfaces with above the screw-cap 2 between, the spring 8 of metal material just can directly not contact with content like this.But, because in assembling process, such regulator pump is made up of following three parts: the secondary assembly of sleeve that sleeve 6 and piston 9 are combined into, the secondary assembly of cylinder sleeve and the spring 8 that are made of cylinder sleeve 10 and check valve 14, the quantity of the secondary assembly of the necessary combination assembling of cause is more, the assembly process complexity, and occupied big quantity space, even thereby the situation of installing by automation equipment combination, also can produce because of build-up member quantity is many, and make the feedway and the composite set complicated problems of material.In addition, owing to directly exert pressure in the bottom surface of 8 pairs of buttons 3 of spring, being connected of sleeve 6 and button 3 is just loosening, and under the pressure effect of spring 8, button 3 is pulled out or the like problem easily and also can takes place from sleeve 6.

Summary of the invention

The present invention is conceived to the existing problem of traditional regulator pump, a kind of regulator pump of new structure is proposed: the metal spring 8 of regulator pump is not directly contacted with content, and prevent that spring is corroded and content rotten, secondary assembly quantity is few in the assembling process in addition, thereby assembling procedure is simple, and the structure of automatic assembling apparatus also can be oversimplified.Simultaneously, be not easy from sleeve 6, to pull out at the resilient force knob down 3 of spring 8, thereby have better durability.

The invention provides a kind of regulator pump, regulator pump includes: the screw-cap 2 that is connected with the peristome of container 1, can lifting at the upper end of this screw-cap 2, and be formed with the button 3 of nozzle 4, sleeve 6, the upper end that is connected with the bottom of button 3 with the state that is communicated with aforementioned nozzle 4 is connected with said spiral cap 2, lower ending opening portion 15 places are equipped with the cylinder sleeve 10 of check valve 14, can lifting at aforementioned cylinder sleeve 10 places, and piston 9 that is connected with the lower end of aforementioned sleeve 6 and the seal member 12 that is connected with the periphery of aforementioned piston 9; It is characterized in that: also comprise: the top stop device 21 on the top by putting into aforementioned sleeve 6 limits the top endless member 22 of location, be installed in the bottom of putting into aforementioned sleeve 6 and be installed on the bottom endless member 24 on the top of piston 9; And bullet is provided with spring 8 between aforementioned top endless member 22 and bottom endless member 24.

Description of drawings

Fig. 1 and Fig. 2 are the structure charts of representing regulator pump in the past.

Fig. 3 is the structure chart of regulator pump of the present invention.

Symbol description 1: container, 2: screw-cap, 3: button, 4: nozzle, 6: sleeve, 8: spring 9: piston, 10: cylinder sleeve, 12: seal member, 14: check valve 22: top endless member, 24: bottom endless member

The working of an invention mode

Below, the embodiment that the present invention desires to reach is described with reference to the accompanying drawings.Fig. 3 is the structure chart of embodiments of the invention, as shown in the figure, regulator pump of the present invention (dispenser pump) includes with lower member: the screw-cap 2 that combines with the peristome of container 1, can be at the upper end of this screw-cap 2 free lifting, and be formed with the button 3 of nozzle 4, with the sleeve 6 that is connected with the bottom of button 3 with the state of aforementioned nozzle 4 connections, the upper end is connected with said spiral cap 2, be equipped with the cylinder sleeve 10 of check valve 14 at lower ending opening portion 15 places, but free lifting in aforementioned cylinder sleeve 10, and at the piston 9 of the lower end of aforementioned sleeve 6 combination, the seal member 12 that is connected with the periphery of aforementioned piston 9.These are identical with in the past regulator pump.But, in the present invention, make the metal spring 8 of button 3 liftings, be put in the sleeve 6 of outside of cylinder sleeve 10.At this moment, spring 8 is sprung between the bottom endless member 24 of endless member 22 that is put into sleeve 6 tops and the top that is put into sleeve 6 lower piston 9.

Aforementioned top endless member 22 is hung in outstanding stop device 21 places that are formed on sleeve 6 tops, and the position of its upper end is limited.Aforementioned stop device 21 top inclined put into top endless member 22 and 24 pressurizations of bottom endless member, just formed mobilizable stop device 21.Formed the protuberance of hanging spring 8 respectively at aforementioned top endless member 22 and bottom endless member 24 places.During the combination assembling, bottom endless member 24, spring 8 and top endless member 22 are put into from the top of sleeve 6.At this moment, top endless member 22 and bottom endless member 24 are pressed into along the inclined plane of stop device 21.

Owing to had said structure, the user presses the button 3, and button 3 and sleeve 6 descend together, and the content in the cylinder sleeve 10 is under the effect of the piston 9 of the bottom of sleeve 6 simultaneously, emitted by the hollow bulb of sleeve 6 and the nozzle 4 of button 3, spring 8 is compressed.Then, the user decontrols button 3, under the resilient force of spring 8, button 3 and sleeve 6 rise together, at this moment, and under the vacuum pressure effect of cylinder sleeve 10 inside, check valve 14 is opened, and the content of internal tank flow in the cylinder sleeve 10 simultaneously, realizes the effect of pumping.

At this moment, metal spring 8 is configured in the outside of cylinder sleeve 10, and spring 8 is spaced with content, thereby prevents that spring 8 is corroded and content rotten.In addition, in this structure, in the combination assembling process of device, be put into the endless member 22 on top of sleeve 6 and the state between the bottom endless member 24 at metal spring 8, owing to include the secondary assembly of sleeve 6 and piston 9 by integrated processing, then the operate portions of regulator pump just has only the secondary assembly of sleeve and two parts of the secondary assembly of cylinder sleeve, therefore the combination assembly process of device is oversimplified, and needed space only limits to the combinations thereof assembly space, and is simple relatively even the structure of Automatic Combined assembling device also becomes.In addition and since spring 8 be not directly by resiliency supported on the bottom surface of button 3, the button 3 that therefore can prevent to put into the upper end of sleeve 6 is pulled out under the effect of the elastic force of spring 8 easily, has promptly increased the durability of device.

The invention effect

As mentioned above, the present invention has realized a kind of new structure regulator pump, the gold of regulator pump Belong to the outside that spring 8 is configured in cylinder sleeve 10, directly do not contact with content, can not only Prevent that spring is corroded and content rotten, and in the combination installation process, spring 8 is not Separate processing with miscellaneous part, but with the secondary assembly integrated treatment of sleeve, install in combination In the process, because secondary assembly quantity is few, and the combination installation procedure is oversimplified, the automation group Closing the structure of erecting device also oversimplifies. Simultaneously, spring 8 is not directly and the bottom surface bullet of button 3 The property contact, button 3 just is not easy to extract from sleeve 6, has increased durability.

Claims (1)

1, a kind of regulator pump, regulator pump includes: the screw-cap (2) that is connected with the peristome of container (1); Can lifting at the upper end of this screw-cap (2), be formed with the button (3) of nozzle (4); With the sleeve (6) that is connected with the bottom of button (3) with the state of aforementioned nozzle (4) connection; The upper end is connected with said spiral cap (2), and lower ending opening portion (15) locates to be equipped with the cylinder sleeve (10) of check valve (14); Locating at aforementioned cylinder sleeve (10) can lifting, and the piston (9) that is connected with the lower end of aforementioned sleeve (6); And the seal member (12) that is connected with the periphery of aforementioned piston (9), it is characterized in that also comprising: the top stop device (21) on the top by putting into aforementioned sleeve (6), limit the top endless member (22) of location; Be installed in the bottom of putting into aforementioned sleeve (6) and be installed on the bottom endless member (24) on the top of piston (9); And and between aforementioned top endless member (22) and bottom endless member (24) bullet be provided with spring (8).

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