CN106170449B

CN106170449B - Including the improved aerosol allocation component with the contact area of container neck

Info

Publication number: CN106170449B
Application number: CN201580018481.1A
Authority: CN
Inventors: 奥利维·乔利
Original assignee: Rexam Healthcare La Verpilliere SAS
Current assignee: Nemera la Verpilliere SAS
Priority date: 2014-04-02
Filing date: 2015-03-13
Publication date: 2018-10-30
Anticipated expiration: 2035-03-13
Also published as: WO2015150654A1; FR3019535A1; EP3126265B1; US20170029202A1; FR3019535B1; EP3126265A1; CN106170449A

Abstract

The present invention relates to a kind of allocation component (22), the allocation component (22) is for being installed in the neck (24) of the container comprising fluid (26).The allocation component (22) includes the annular sealing edge (47) for cooperating with the complementary annular edge of neck (24), and axially extending annular branch from the sealing shoulder (47) supports surface (51).Annular branch supports surface (51) and limits the ring-shaped contact area (52) contacted with the narrowed position (54) of neck (24), and the annular isolation space (26I) and the principal space (26P) of container (26) that extend between sealing shoulder (47) and the ring-shaped contact area (52) are separated.Annular branch includes at least one recess portion (55) to surface (51), which is used for the circumferentially continuous property of interrupted toroidal contact area (52) and constitutes channel (60) of the fluid between the principal space (26P) and insulating space (26I).

Description

Including the improved aerosol allocation component with the contact area of container neck

Technical field

The present invention relates to formed aerosol fluid distributing apparatus technical field, the present invention especially but not exclusively to The administered valve of drug.

Background technology

In the prior art, device fluid dispensing product, in particular for aerosol form distribute drug dosage valve Door is known from.2 993 250 A1 of file FR describe the device fluid dispensing product for constituting allocation component, the component packet Cylinder valve door main body is included, which includes dose chamber and valve lever.The bar is hermetically stopped in dose chamber Only slided between (stroke starts) position, dispensing position and stroke end position.

The allocation component is generally used in the neck for being installed to the container comprising aerosol, is somebody's turn to do with being configured to use at any time The distributor of aerosol.Thus the component includes valve deck (the coupelle de for being inlaid in valve body on neck The ring packing washer in the face valve) and with the complementary annular edge with neck to cooperate.

In the distributor using on position, container is located above allocation component.It includes aerosol pass through at least One access portal being arranged in valve body flows into dose chamber.Traditionally, such as disclosed by file EP 0 692 434 As, allocation component further includes mounting ring, most volumes of mounting ring position when distributor is in using position Below the access portal, to avoid excessive dead volume.Moreover, the mounting ring allows axis of the allocation component in container neck To positioning, and the face cooperation contacted with the same and container neck of ring packing washer.

Therefore the ring with reduction container neck dead volume and ensures axially position of the valve body in container neck Dual function.

In order to facilitate assembly (container neck might have diameter and form variations) of the ring in container neck, the ring Global shape takes the shape of the letter U, this, which makes ring radially, enough elasticity.

Therefore the mounting ring includes alar part (une aile in the radial direction for limit the accommodating position for housing valve body Radialement interne) and limit the radial outer wing (une with the ring-shaped contact area of the narrowed location contacts of neck aile radialement externe).The outer wing also has the free end in sealing contact with seal washer.

The contact area divides the principal space in the annular isolation space and container that extend between seal washer and the region It separates.However, with the use of distributor, mounting ring can be deformed gradually, which will no longer be fully sealed, from appearance The various composition in varying numbers of the aerosol of the device principal space may enter and be trapped in the annular isolation space, to threaten To the uniformity of fluid.

In fact, the set for the solid-state or liquid particulate being suspended in due to aerosol in gaseous medium, it is however generally that wait for The various particles of the heterogeneity of the aerosol of distribution are of different sizes.Therefore, minimum particle is sometimes from mounting ring Pass through between the narrowed position of neck, and maximum particle does not pass through then.

Invention content

It is an object of the invention to propose that a kind of device fluid dispensing product including mounting ring, the mounting ring are same as a result, When allow efficient axially position of the allocation component in container neck and the uniformity to aerosol holding.

For this purpose, subject of the present invention is a kind of fluid dispensing subassembly forming aerosol, it is used to be installed in and includes In the neck of the container of the fluid, the type belonging to the allocation component includes：

Annular sealing edge, the annular sealing edge are used to cooperate with the complementary annular edge of neck, and

Annular branch supports surface, and annular branch is axially extending from sealing shoulder to surface, and for limiting and the receipts of neck The ring-shaped contact area of narrow location contacts, the ring-shaped contact area between sealing shoulder and the ring-shaped contact area for will prolong The principal space in the annular isolation space and container stretched separates,

It is characterized in that, the allocation component includes at least one recess portion for being arranged in annular branch and supporting in surface, the recess portion The channel of circumferentially continuous property and composition fluid between the principal space and insulating space for interrupting the ring-shaped contact area.

Such recess portion allows the particle of any size to be passed in component from container：Minimum particle will not again with aerosol Other particles of agent are separated and are trapped in annular isolation space, so that ensuring the uniformity of aerosol to be allocated for a long time.

Preferably, it is parallel substantially to support surface with annular branch in a radial plane for the bottom of recess portion.

But thus the bottom of recess portion can also can be presented with change in depth and with circular profile in the recess portion It is engaged with circle of the annular branch to surface.

The recess portion can for example by relative to sagittal plane of the branch to surface it is inclined in a manner of extend, and the recess portion inclines Oblique degree can be variation.

According to the first modification, which is made of at least one circumferential recess section.

According to the second modification, which extends to annular branch from first axis end of the annular branch to surface and supports surface Second axial end portion.

According to the 4th modification, which supports the of surface from first axis end of the annular branch to surface towards annular branch Two axial end portions extend, but do not reach second axial end portion.

According to the 5th modification, which supports second of the first axis end and annular branch on surface to surface in annular branch Extend between axial end portion, but does not reach any of these ends.

According to the 6th modification, which has longitudinal global shape of change width in the axial direction, and the change width is for example It is that width increases towards sealing shoulder.

Preferably, which includes the mounting ring by allocation component assembly in a reservoir, and the mounting ring is in radial direction On limited by outer surface and inner surface, which is constituted for limiting and the ring-shaped contact area of the narrowed location contacts of neck Annular branch support surface, which limits the accommodating position for the accommodating device for constituting dose valve.

Since the mounting ring is arranged around valve body, the mounting ring is it is thus ensured that reduce dead volume, allocation component Axially position in container neck makes aerosol to be allocated carry out this triple work(that circulate between the two spaces of container Energy.Independently of other elements (especially valve body) of allocation component mounting ring the advantages of be：It is potentially able to basis Allocation component will be embedded in container thereon and have different shapes, the knot of other components without changing allocation component Structure.

Advantageously, sealing shoulder is made of ring packing washer, and mounting ring has the section that global shape takes the shape of the letter U, and Alar part and restriction outer surface and the diameter with the free end in sealing contact with seal washer in radial direction including limiting inner surface To outer wing.

Since container neck might have diameter and form variations, so that ring has this of enough elasticity radially The global shape of sample to take the shape of the letter U enables arrangement of the ring in neck become convenient.

Preferably, the free end of the outer wing of mounting ring is equipped with annular and is inserted into extension, which is inserted into extension tool Facilitate its insertion through the profile in seal washer.

Valve deck surrounds the embedded additional further fastening for causing container neck on mounting ring of container neck, and increases The stress that outer wing is born.The convergent shape permission avoids the first extension de- when being embedded in valve deck around container neck Go out.Has bevelled shape also and allows the curved edge and mounting ring for discharging position in insulating space to avoid container neck The free end of outer wing interacts.

If it is necessary, the thickness constant of outer wing, thus be arranged in branch and support the recess portion in surface while corresponding to outside Recess in the outer surface of alar part and the protrusion in the inner surface of the outer wing.

The recess portion may have change in depth, and larger depth may cause the outer wing of mounting ring to become fragile, Therefore, in order to form the recess portion, mechanically more structurally sound way is that material is mobile towards alar part inside rather than draws digging The material.

Advantageously, it is in truncated cone shape that annular branch, which supports surface substantially, to expand with close sealing shoulder.

The stress that annular branch is supported on surface is axially applied to when reusing the allocation component may lead to distribution group Part is pressed towards the inside of container, and interrupts annular branch to surface and seal the contact between shoulder, to harm the close of component Envelope property and the uniformity for threatening the aerosol to be distributed.Frusta-conical surface allows better against axial stress when using and true Protect long-term leakproofness.

Annular branch supports surface and may include multiple recess portions being regularly distributed around axis of the annular branch to surface.

Rotate integrally shape since the allocation component has, can ring-shaped contact area it is entire around on realize aerosol The channel in annular isolation space is led in agent from the container principal space.Presence along multiple recess portions of ring-shaped contact area distribution is permitted Permitted to avoid the residue of the retention areas (zone de pi é geage) of the minimum particle of aerosol and therefore ensuring that be distributed The better uniformity of aerosol.

Subject of the present invention also resides in a kind of fluid distributing apparatus forming aerosol comprising forms the fluid of aerosol Allocation component, the allocation component are installed in the neck of the container comprising the fluid, which is characterized in that the allocation component is as above Described in text.

Description of the drawings

It is better understood with the present invention by reading the illustratively attached drawing of offer and absolutely not any restrictions, in attached drawing In：

- Fig. 1 is the axial sectional view of the distributor according to the present invention for including the fluid dispensing subassembly for forming aerosol；

- Fig. 2 is the detail view of the mark part II of Fig. 1；

- Fig. 3 is the perspective view of the mounting ring of allocation component shown in FIG. 1；

- Fig. 4 is that the mounting ring being shown in FIG. 3 is in the perspective view relative to the positions rotated Fig. 3；

- Fig. 5 to Figure 14 is the similar with Fig. 3 and Fig. 4 of the different embodiments of the mounting ring for the distributor for showing Fig. 1 Perspective view.

Specific implementation mode

Distributor 20 according to the present invention is shown in fig. 1 and 2.This has the distributor for rotating integrally shape 20 include the allocation component 22 for the fluid 23 for forming aerosol, which is installed in the neck of the container 26 comprising the fluid In portion 24, which is preferably metal.

Allocation component 22 includes being disposed with dose chamber in the valve body with the valve body 28 for rotating integrally shape 30。

The valve body 28 includes the device for constituting dose valve.

Valve body 28 passes through 24 ground of neck of container 26 to extend.The valve body 28 has inner end 28I, the inner end 28I includes at least one opening 32 for allowing fluid to lead to dose chamber 30 from the major part 26P of container 26.Valve body 28 also have include flange 34 outer end 26E, the radial dimension of the radial dimension of the flange more than neck 24.

The opposite branch that is open that there is flange 34 ring edge with the neck 24 by container 26 to limit supports surface.

Valve lever 38 is installed to be axially to be slided in valve body 28.The valve lever 38 includes protruding into valve body Except 28 and the outer end 38E of fluid tip is constituted, and the inner end 38I extended across dose chamber 30.

Traditionally, valve lever 38 in dose chamber 30 in (stroke starts) position, intermediate dispensing position and the stroke knot of stopping It is slided between beam position.

As shown in Figure 1, by means of the helical reset spring 40 being placed in the inner end 28I of valve body 28, valve Bar 38 is resiliently recovered to position of rest.

According to the traditional working principle of distributor 20, when valve lever 38 is moved to dispensing position by user, the valve The permission fluid of door rod 38 leads to the outside of distributor 20 from dose chamber 30.

Leakproofness between dose chamber 30 and the outside of valve body 28 is ensured by first annular seal washer 42.Valve Bar 38 is hermetically slided across the seal washer 42, which also participates in the axially directed of valve lever.

First seal washer 42 be clipped in flange 34 and be inlaid on the neck 24 of container 26 valve deck 43 (its preferably gold Belong to) between.The valve deck 43 reinforces the fastening between neck 24 and allocation component 22.

Allocation component 22 further includes mounting ring 44, which is located at opening 32 when distributor 20 is in using position Lower section, to avoid excessive dead volume.

Mounting ring 44 also allows to maintain allocation component 22 in the neck 24 of container 26.In fact, mounting ring 44 surrounds Valve body 28 extends, to which neck 24 is further fastened around the mounting ring 44.

Mounting ring 44 cooperates with the first face 46A of the second ring packing washer 46 in the axial direction, and radially with valve Main body 28 cooperates.

First face 46A of the second seal washer 46 shapes on the extending direction of the ring-shaped contact area contacted with mounting ring 44 At the sealing shoulder 47 that the complementary annular edge with neck 24 cooperates, thus which props up the edge for being against neck 24 On.

In addition, there is the second seal washer 46 the second face 46B opposite with the first face 46A, second face 46B branch to be against convex The branch of edge 34 is supported on surface.

As a result, the second seal washer 46 be clamped at flange 34 branch support surface and container 26 neck 24 edge it Between, to which allocation component 22 is axially retained in neck 24.

Since the neck 24 of container 26 might have diameter and form variations, assembly of the mounting ring 44 in neck 24 There can be the global shape that the ring of enough elasticity takes the shape of the letter U by making the mounting ring 44 radially by become convenient.

As a result, as shown in Figures 1 and 2, mounting ring 44 includes the accommodating position limited for housing valve body 28 Radial direction in alar part 48 and the longer radial outer wing 50 of Bi Nei alar parts 48.The outer wing 50 of mounting ring 44 has and the second sealing The free end in sealing contact of washer 46.In order to reinforce and the leakproofness at the contact area of the second seal washer 46, mounting ring The free end of 44 outer wing 50 is equipped with annular and is inserted into extension 50P, which is inserted into extension 50P and is conducive to it The profile being inserted into seal washer 46.

The radially-outer surface of the outer wing 50 of mounting ring 44 constitutes the annular branch initially axially extended from sealing shoulder 47 To surface 51.

Annular branch, which supports surface 51, to be substantially in truncated cone shape, to expand with close sealing shoulder 47.

Annular branch supports surface 51 and limits the ring-shaped contact area 52 contacted with the narrowed position 54 of neck 24.The annular connects Region 52 is touched by the master of the annular isolation space 26I and container 26 that extend between sealing shoulder 27 and the ring-shaped contact area 52 Space 26P is separated, and the certain ingredients for the fluid 23 to be distributed may be trapped in the 26I of the annular isolation space.

As a result, in addition to ensuring that reducing the dead volume in neck 24 and the axially position allocation component in the neck 24 of container 26 22 dual function, mounting ring 44 also ensure that all the components of fluid 23 and aerosol container 26 two spaces i.e. The function of circulating between principal space 26P and insulating space 26I.For this purpose, the annular branch being made of the outer wing 50 of mounting ring 44 is supported Surface 51 includes at least one recess portion 55.The recess portion 55 thus locally circumferentially continuous property of interrupted toroidal contact area 52, and Constitute channel 60 of the fluid 23 between the principal space 26P and insulating space 26I of container 26.

As seen in Figure 2, the material of the outer wing 50 of mounting ring 44 is preferably hardly made to become unfertile land to form recess portion 55, in order to avoid make 50 tender of outer wing.The thickness therefore constant of outer wing 50 are arranged in annular branch and support surface 51 thus In recess portion 55 simultaneously corresponding to outer wing 50 outer surface in recess and the outer wing 50 inner surface in protrusion.

As it can be seen that the bottom of recess portion 55 can be roughly parallel in a radial plane by the outer of mounting ring 44 such as in Fig. 3 to Fig. 7 The annular branch that the outer surface of alar part 50 is constituted supports surface 51.

As in figs. 8 and 9 as it can be seen that recess portion 55 can be with relative to sagittal plane inclined side of the annular branch to surface 51 Formula extends, and as can be seen in fig. 9, the gradient of recess portion 55 can be variation.

As it can be seen that recess portion 55 can be made of at least one circumferential recess section such as in Figure 10 and Figure 11.

As it can be seen that recess portion 55 can prolong from first axis end of the annular branch to surface 51 such as in Fig. 7, Fig. 8, Fig. 9 and Figure 14 Reach second axial end portion of the annular branch to surface 51.Two axial end portions of the annular branch to surface 51 are respectively by mounting ring 44 U-shaped section core (ame) 56 (showing in fig. 1 and 2) and interior outer wing 48,50 free end limit.

Such as in Fig. 3, Fig. 5 and Figure 12 as it can be seen that recess portion 55 can from annular branch to surface 51 first axis end towards this Second axial end portion of the annular branch to surface 51 extends, but does not reach second axial end portion.

As seen in Figure 11, recess portion 55 can support surface in first axis end of the annular branch to surface 51 and annular branch Extend between 51 the second axial end portion, but does not reach any of these ends.

As in fig. 14 as it can be seen that recess portion can be with the vertical of change width in the axial direction (such as increasing towards sealing shoulder 47) To global shape.

As it can be seen that the annular branch that may be in truncated cone shape supports surface such as in Fig. 5, Fig. 7, Fig. 8, Fig. 9, Figure 11, Figure 12 and Figure 14 51 may include multiple recess portions 55 being regularly distributed around axis of the annular branch to surface 51.

The present invention is not limited to above-mentioned example, other embodiments of the present invention are aobvious and easy for those skilled in the art See.

Particularly, as in figure 12 and figure 13, ring can be formed with without the mounting ring 44 of U-shaped global shape Shape branch supports surface 51.In fact, in this case, mounting ring 44 can have a solid section, annular branch support surface 51 thus by The radially-outer surface of mounting ring 44 is constituted.

Claims

1. a kind of allocation component (22) for the fluid (23) forming aerosol, the allocation component is for being installed in comprising described In the neck (24) of the container (26) of fluid (23), the type belonging to the allocation component includes：

Annular sealing edge (47), the annular sealing edge (47) are used to assist with the complementary annular edge of the neck (24) Make, and

Annular branch supports surface (51), and the annular branch is axially extending from the sealing shoulder (47) to surface (51), and is used for The ring-shaped contact area (52) contacted with the narrowed position (54) of the neck (24) is limited, which is used for The annular isolation space (26I) that will extend between the sealing shoulder (47) and the ring-shaped contact area (52) and the appearance The principal space (26P) of device (26) separates, which is characterized in that the allocation component include it is at least one be arranged in it is described annular branch To the recess portion (55) in surface (51), the recess portion is used to interrupt the circumferentially continuous property and composition of the ring-shaped contact area (52) Channel (60) of the fluid (23) between the principal space (26P) and the insulating space (26I).

2. allocation component (22) as described in claim 1, wherein the recess portion (55) in a radial plane substantially with the ring It is parallel that shape branch supports surface (51).

3. allocation component (22) as described in claim 1, wherein the recess portion (55) relative to the annular branch to support surface (51) the inclined mode in sagittal plane extends.

4. allocation component (22) as claimed in claim 3, wherein the inclined degree is variation.

5. allocation component (22) as described in claim 1, wherein the recess portion (55) is made of at least one circumferential recess section.

6. allocation component (22) as described in claim 1, wherein the recess portion (55) supports surface (51) from the annular branch First axis end extends to second axial end portion of the annular branch to surface (51).

7. allocation component (22) as described in claim 1, wherein the recess portion (55) supports surface (51) from the annular branch First axis end extends towards the second axial end portion of the annular branch to surface (51), but does not reach second axial end portion.

8. allocation component (22) as described in claim 1, wherein the recess portion (55) supports surface (51) in the annular branch First axis end and annular branch extend between the second axial end portion to surface (51), but do not reach appointing in these ends One.

9. allocation component (22) as described in claim 1, wherein the recess portion (55) is with the vertical of change width in the axial direction To global shape, which is, for example, that width increases towards the sealing shoulder (47).

10. allocation component (22) as described in claim 1 comprising the allocation component (22) is assemblied in the container (26) mounting ring (44) in, the mounting ring (44) are limited by outer surface and inner surface radially, and the outer surface, which is constituted, to be used Table is supported in the annular branch for limiting the ring-shaped contact area (52) contacted with the narrowed position (54) of the neck (24) Face (51), the inner surface limit the accommodating position for the accommodating device for constituting dose valve (28).

11. allocation component (22) as claimed in claim 10, wherein the sealing shoulder (47) is by ring packing washer (46) It constitutes, the mounting ring (44) has the section that takes the shape of the letter U of global shape and includes alar part in radial direction (48) and radial direction outer wing (50), alar part (48) limits the inner surface in the radial direction, and the radial direction outer wing (50) limits the outer surface and has The free end in sealing contact with the seal washer (46).

12. allocation component (22) as claimed in claim 10, wherein the free end of the outer wing (50) of the mounting ring (44) There is annular to be inserted into extension (50P) in portion, which is inserted into extension (50P) and facilitates its insertion through the seal washer (46) profile in.

13. allocation component (22) as claimed in claim 11, wherein the thickness constant of the outer wing (50), thus The branch is arranged in the recess portion (55) in surface (51) while corresponding to recessed in the outer surface of the outer wing (50) Protrusion in the sunken and inner surface of the outer wing (50).

14. allocation component (22) as described in claim 1, wherein it is in truncated cone shape that the annular branch, which supports surface (51) substantially, with Expand with close to the sealing shoulder (47).

15. allocation component (22) as described in claim 1, wherein it includes multiple around the ring that the annular branch, which supports surface (51), The recess portion (55) that axis of the shape branch to surface (51) is regularly distributed.

16. a kind of distributor (20) for the fluid (23) forming aerosol, the distributor includes the stream to form aerosol The allocation component (22) of body (23), the allocation component are installed in the neck (24) of the container (26) comprising the fluid (23) In, which is characterized in that the allocation component (22) is as described in any one of the preceding claims.