CN101209766A

CN101209766A - Pump dispenser

Info

Publication number: CN101209766A
Application number: CNA2007100803908A
Authority: CN
Inventors: 寄重铉
Original assignee: YUNWU CO Ltd
Current assignee: YUNWU CO Ltd
Priority date: 2006-12-27
Filing date: 2007-03-09
Publication date: 2008-07-02
Also published as: EP1938903A2; EP1938903A3

Abstract

The invention relates to a pump dispenser, comprising a cap that is coupled with an opening of a container, a button that is ascendably arranged in the upper end of the cap and that has a nozzle, a cylinder housing that includes an inlet through which contents of the container are received and a pump chamber in which the contents that are received from the inlet flow and that is coupled with the cap, a check valve that is provided in the inlet of the cylinder housing to prevent the contents of the pump chamber from flowing backward to the container, a piston which lifting upwards and downwards along the pump, a guiding channel that gets close to and separated from the check valve and which guides the received contents to the pump chamber flow, a stem whose one end is connected with the button and the other end is connected with the piston, and a spring pivotally arranged at the outer side of the stem and used for increasing the elasticity of the stem. The invention also comprises a limit body arranged between the inner side of the cylinder chamber and the outer side of the piston for limiting the cylinder chamber and the piston, and a bottom cap arranged pivotally at the upper end of the cylinder chamber and used for supporting the limit body and the lower end of the spring, also including a spring support tank. A spring support hook for supporting the upper end of the spring is convexly arranged outwards from the upper outer side of the stem. The invention has the advantages of reducing the failure of pump, reducing the quantity of parts, simplifying the structure and assembling and increasing the assembling production efficiency.

Description

Pump dispenser

Technical field

[01] the invention relates to pump dispenser, but especially about the pump dispenser of the rotten structure of minimum content thing.

Background technology

[02] common, pump dispenser is to be arranged at cosmetics, washer solvent are housed, and the peristome of the container of other aqueous or emulsus contents, can make that content in the container is little quantitatively to spue.

[03] nearest, contingent content is rotten for the boiler check valve of the spring that minimizes content and metal material in the container or metal material contacts, and the pump chamber (pump chamber) that the assembly element and the content of metal material flowed separates the pump dispenser of setting by known.

[04] example of this known pump dispenser is disclosed in Korean Patent 10-0456814 number.

[05] pump dispenser of above-mentioned known techniques includes: the lid (2) that is arranged at the peristome of container (1); Be arranged at the button with nozzle (3) of the upper end of this lid in liftable mode; Can be communicated with, be arranged at the bar (6) of button (3) bottom with nozzle (4); The upper end is connected in lid (2), and the lower end has boiler check valve (14), and its inside has the cylinder chamber (10) of pump chamber; Be connected in the piston (9) of the lower end of bar (6); Be incorporated into the restriction body (12) of piston (9) outer rim.

[06] especially, known pump dispenser has metal spring (8), its be arranged at by the spacing edge in top (21) locate, be located in bar (6) top top ring body (22) and be located at piston (9) top, be located between the bottom ring body (24) of bottom of bar (6).

[07] is arranged at the outer cylinder (that is, separate and be provided with) of cylinder chamber (10) because of metal spring (8), stops spring (8) to contact, can prevent the corrosion of spring (8) and going bad of content with the content of container (1) with pump chamber.

[08] but, this known pump dispenser has spring (8) and is situated between at top ring body (22) and bottom ring body (24), and top ring body (22) and bottom ring body (24) are folded in the structure of bar (6).So assembly element quantity increases, complex structure not only, and increase with the quantity of need assembly element, it is complicated more that the assembling procedure of product also becomes, and assembling production efficiency is low, thereupon, brings the high shortcoming of manufacturing cost.

[09] bottom ring body (24) structure that is located in cylinder chamber (10) inner cylinder can't ensure leak tightness, so the shortcoming that exists the content in the pump chamber of cylinder chamber (10) to leak.

[10] again, bottom ring body (24) is assembled between cylinder chamber's (10) inner prop and bar (6) column jacket, between bottom ring body (24) and the bar (6) position limiting structures such as salient and groove are arranged, so may form the gap between bar (6) and the bottom ring body (24), can't ensure straight line advance and retreat when bar (6) is mobile down thereupon thereon, may produce and shake, cause the shortcoming of pump spray inefficiency.

Summary of the invention

[11] thereupon, the objective of the invention is to reduce the quantity of assembly element, provide structure more simple, not only help easy assembling procedure, also can significantly reduce the pump dispenser of manufacturing cost.

[12] another purpose of the present invention is to provide and can ensures leak tightness, not only prevents the leakage of content, can also significantly improve the pump dispenser of pump spray efficient.

[13] for reaching above-mentioned purpose, pump dispenser of the present invention, it comprises the lid that is arranged at opening of container; Be arranged at the button with nozzle of the upper end of this lid in liftable mode; Inflow entrance that the content of this container flows into and the pump chamber that flows from the content that this inflow entrance flows into; Be connected in the cylinder chamber of above-mentioned lid, be arranged at the inflow entrance of this cylinder chamber, with the content adverse current that prevents this pump chamber boiler check valve in this container; Can be approaching, away from boiler check valve, and will flow into the guiding channel that the content of this pump chamber flows; Piston with this pump chamber lifting; Dredge the mediation passage of this guiding channel and this nozzle; One end is connected in this button, and the other end is connected in this piston, liftable bar; And be hubbed at this bar outside, increase the spring of the elastic force of this bar.

[14] more comprise be arranged at this cylinder chamber inboard with this piston outside between, limit the restriction body between this cylinder chamber and the piston; Be hubbed at this cylinder chamber upper end, support this restriction body, support this spring lower end again, and have the bottom of spring support groove.The upper outside of this bar can support the spring of spring upper end to prop up tenaculum to being protruded with.

[15] above-mentioned boiler check valve is to be formed by synthetic resin.

[16] column jacket of above-mentioned piston is formed with radially inwardly recessed draw-in groove, and the mediation passage of above-mentioned bar radially outward protrudes and is formed with the grab that combines with draw-in groove.

[17] above-mentioned button forms the hollow shape salient that oriented above-mentioned bar protrudes, and is formed with the accepting groove of accommodating this salient on this bar.

[18] above-mentioned boiler check valve includes: the support sector that is located in the lower inner wall face of above-mentioned pump chamber; Be arranged at the central part of this support sector, open and close the valve body of above-mentioned cylinder chamber inflow entrance; And, above-mentioned valve body elasticity is connected in a plurality of elastic ribs of above-mentioned support sector.

Description of drawings

Fig. 1 is the scheme drawing of known pump dispenser;

Fig. 2 is the schematic perspective view of the pump dispenser of one embodiment of the invention;

Fig. 3 is the constructional drawing of pump dispenser among Fig. 1;

Fig. 4 is the planar view of the boiler check valve of pump dispenser of the present invention.

* nomenclature *

50: container 70: peristome

100: pump 110: lid

130: aluminium lid 150: button

170: nozzle 190: salient

210: cylinder chamber 230: inflow entrance

250: pump chamber 310: boiler check valve

320: support 330: elastic rib

340: valve body 350: piston

370: guiding channel 390: draw-in groove

410: restriction body 450: bottom

470: spring support groove 510: bar

530: mediation passage 550: grab

570: accepting groove 590: spring props up tenaculum

610: spring

The specific embodiment

[19] below now conjunction with figs. describe preferred embodiment of the present invention in detail.

[20] Fig. 1, pump dispenser of the present invention shown in Figure 2.

[21] as shown in the figure, pump dispenser of the present invention (100) includes cylinder chamber (210), and this cylinder chamber (210) is the peristome (70) that the separable mode of amboceptor is incorporated into container (50) with lid (110).

[22] upper end of lid (110) is provided with the button (150) of the content that outwards spues in a movable manner.One side of button (50) has open tubular form, has the nozzle (170) of the container that spues (50) content.Be formed with the hollow type salient (190) to bar (510) protrusion of following narration on the button (170), this salient (190) is incorporated into the accepting groove (570) of bar (510).The content guide of flow that the hollow bulb of salient (190) will be discharged from container (50) is to nozzle (170).In the present embodiment, nozzle (170) is to dredge perpendicular to the direction of button (150) moving direction and the hollow bulb of salient (190).Cylinder chamber (210) is incorporated into lid (110), and cylinder chamber (210) has the inflow entrance (230) that content flows into, and the flowable pump chamber of content (250) that flows into by inflow entrance (230).

[23] pump chamber (250) provides and prevents the content adverse current of discharging from container (50) boiler check valve (310) to the synthetic resin material of container (50).As shown in Figure 4, boiler check valve (310) comprising: the support sector (320) that is located in pump chamber (250) lower inner wall face; Be located at the valve body (340) of the central part of this support sector (320); And, this valve body (340) elasticity is connected to a plurality of elastic ribs (330) of support sector (320).

[24] boiler check valve of the present invention (310) is the elastic force realization lifting action by a plurality of elastic ribs (330), so can more critically open and close the inflow entrance (230) of cylinder chamber (210).In the present embodiment, valve body (340) has outer cylinder sideling, from support (320) to the unidirectional protrusion of inflow entrance (230).Valve body (340) but outer cylinder be adherence, remove adherence in the inner prop of inflow entrance (230), realize open and close inflow entrance (230).By this, improve the leak tightness between valve body (340) and the inflow entrance (230), prevent the leakage between valve body (340) and the inflow entrance (230), when valve body (340) is the synthetic resin material, can realize job operations such as injection moulding, its manufacturing is more easy.At this, valve body (340) also can be hemispherical except coniform.

[25] upper end of boiler check valve (310) is provided with piston (350), and it can move up and down in pump chamber (250).The inside of piston (350) is the hollow type pipe body shape with guiding channel (370), its lower surface is an osed top, and the outer cylinder of its underpart is formed with at least one passage (350a), and the content of pump chamber (250) flows to guiding channel (370) by this passage (350a).

[26] piston (350) by approaching, away from boiler check valve (310), realization will guide to bar (510) from the content that container (50) is discharged.The column jacket of piston (350) is formed with radially inwardly recessed draw-in groove (390), and below the grab (550) of Xu Shu bar (510) is incorporated into this draw-in groove (390).

[27] be provided with restriction body (410) between the upper end inner cylinder of the outer cylinder of piston (350) and cylinder chamber (210), this restriction body (410) is the slit between limited piston (350) and the cylinder chamber (210).In order to allow restriction body (410) not move, supporting by bottom (450) with the lifting of piston (350) again.The section of bottom (450) is " ∩ " type, is fixedly arranged on the upper end of cylinder chamber (210), supports the restriction body, to ensure the leak tightness of pump chamber (250).

[28] again, bottom (450) has following narration, supports the spring support groove (470) of the lower end of spring (610).

[29] between the inner prop of the column jacket of piston (350) and bottom (450), be provided with bar (510) in a movable manner.Bar (510) is to have the hollow type pipe body shape, and its outer cylinder sealing is introduced into the inner cylinder of bottom (450).

[30] again, the inside of bar (510) has, the mediation passage (530) of the guiding channel (370) of mediation piston (350) and the nozzle (170) of button (150).One end of bar (510) is to be connected in button (150), and the other end is to be connected in piston (350).Be formed with the grab (550) that protrudes with the radially inner direction of bar (510) on the mediation passage (530) of bar (510), this grab (550) is connected with the draw-in groove (390) of piston (350), bar (510) with piston (350) but one move up and down.And, be formed with the accepting groove (570) of certain section difference on the mediation passage (530) corresponding to the bar (510) of button (150), be folded with the salient (190) of button (150) on this accepting groove (570).By this, bar (510) can the one lifting with the lifting of button (150), and bar (510) is not easily separated with button (150).Be adjacent to and radially outward be protruding with spring on the outer column end of bar (510) of button (150) and prop up tenaculum (590) again.

[31] upper end of spring (610) is that spring by bar (510) props up tenaculum (590) and supports that its lower end is to be supported by the spring support groove (470) of bottom (450), and is arranged at the outside of bar (510).By this, spring (610) provides elastic force to bar (510), make piston (350) away from boiler check valve (310), again, spring (610) is the outside of being located at pump chamber (250), can prevent the spring (610) and the interior content direct contact of pump chamber (250) of metal material, the rotten advantage of minimum content thing is arranged.

[32] in addition, spring of the present invention (610) is to prop up to be held between bar (510) and the bottom (450), and thus, its structure is more simple, and its assembling procedure is more easy, can improve assembling production efficiency.At this, it is good that spring (610) is selected coil spring for use.

Be covered with the aluminium lid of lid (110) during [33] in addition, for explanation symbol 130.At this, aluminium lid is optionally to be situated between to establish.

[34], illustrate that the process of the content that utilizes pump dispenser of the present invention (100) amount discharge container (50) is as follows according to this structure.

[35] at first, the user presses the button (150), and bar (510) descends with button (150).

[36] along with the decline of bar (510), piston (350) also descends.At this moment, spring (610) is compressed.

[37] with the piston (350) of bar (510) lower end, the passage (350a) of content in the pump chamber (250) of cylinder chamber (210) by piston (350) and the mediation passage (530) of guiding channel (370), bar (510) are discharged to the outside from the nozzle (170) of button (150).

[38] then, user's release button (150), button (150) rises with the elastic force of bar (510) by compressed spring (610).

[39] along with the rising of bar (510), piston (350) also rises, and at this moment, spring (610) returns to original state.

[40] piston (350) rises, because the vacuum pressure in the pump chamber (250) of cylinder chamber (210), boiler check valve (310) is opened, and the content in the container (50) flow into the pump chamber (250) of cylinder chamber (210), forms the spouted work of pump.

[41] by this, press the action with release button (150) repeatedly, the content in the container (50) can quantitatively be discharged to the outside.

[42] like this, the present invention has can be directly will provide the spring of elastic force to be arranged at structure between bar (510) and the bottom (450) to pressing with unclamping to move of button (150).Reduce to support the element of spring (610), simplify the structure that easy assembling procedure has improved assembling production efficiency, has significantly reduced manufacturing cost.

[43] again, bottom of the present invention (450) is being supported the restriction body (410) between restriction cylinder chamber (210) and the piston (350), and the advantage that significantly improves the leak tightness of the leakage that prevents content is arranged.

[44] and, bottom of the present invention (450) is not to accommodate in the pump chamber (250) that is assembled in cylinder chamber (210), when being fixedly arranged on the upper end of cylinder chamber (210), be arranged at closely on the outer cylinder of the inner cylinder of bottom (450) and bar (510), bar (510) can be finished moving up and down of rectilinear direction.Because moving up and down of the straight line of this bar (510) can prevent that the pump spray is bad, improves pump spray efficient.

[45] the invention is not restricted to the embodiment of above-mentioned record, in the present technique field, grasp the people of known technology, under the prerequisite that is no more than thinking of the present invention and scope, can diversely revise and change.

[46] as mentioned above, the present invention can reduce the number of assembly element, has more simple structure, thereupon, helps the easy of assembling procedure, and can significantly reduce manufacturing cost.

[47] again, the present invention can guarantee leak tightness, not only prevents the leakage of content, can also significantly improve pump spray efficient.

Claims

1. pump dispenser is characterized in that:

Comprise the lid that is arranged at opening of container; Be arranged at the button with nozzle of the upper end of this lid in liftable mode; Inflow entrance that the content of this container flows into and the pump chamber that flows from the content that this inflow entrance flows into; Be connected in the cylinder chamber of above-mentioned lid, be arranged at the inflow entrance of this cylinder chamber, with the content adverse current that prevents this pump chamber boiler check valve in this container; Can be approaching, away from boiler check valve, and will flow into the guiding channel that the content of this pump chamber flows; Piston with this pump chamber lifting; Dredge the mediation passage of this guiding channel and this nozzle; One end is connected in this button, and the other end is connected in this piston, liftable bar; And be hubbed at this bar outside, increase the spring of the elastic force of this bar; More comprise being arranged between this cylinder chamber inboard and this piston outside, limit the restriction body between this cylinder chamber and the piston; Be hubbed at this cylinder chamber upper end, support this restriction body, support this spring lower end again, and have the bottom of spring support groove; The upper outside of this bar can support the spring of spring upper end to prop up tenaculum to being protruded with; This boiler check valve is to be formed by the synthetic resin material.

2. pump dispenser according to claim 1, the column jacket that it is characterized in that above-mentioned piston are formed with radially inwardly recessed draw-in groove, and the mediation passage of above-mentioned bar radially outward protrudes and is formed with the grab that combines with draw-in groove.

3. pump dispenser according to claim 1 is characterized in that above-mentioned button forms the hollow shape salient that oriented above-mentioned bar protrudes, and is formed with the accepting groove of accommodating this salient on this bar.

4. according to any described pump dispenser in the claim 1 to 3, it is characterized in that above-mentioned boiler check valve includes: the support sector that is located in the lower inner wall face of above-mentioned pump chamber; Be arranged at the central part of this support sector, open and close the valve body of above-mentioned cylinder chamber inflow entrance; And, above-mentioned valve body elasticity is connected in a plurality of elastic ribs of above-mentioned support sector.