CN110506009A

CN110506009A - Locking device for container

Info

Publication number: CN110506009A
Application number: CN201880016931.7A
Authority: CN
Inventors: M.普雷切
Original assignee: RPC Bramlage GmbH
Current assignee: RPC Bramlage GmbH
Priority date: 2017-03-10
Filing date: 2018-03-08
Publication date: 2019-11-26
Also published as: ZA201905654B; CA3053692A1; WO2018162636A1; BR112019015110A2; US20200017263A1; EP3592655A1; JP2020512239A; DE102018105321A1

Abstract

Present invention firstly relates to a kind of locking devices (1) for being used for vessel port (3), wherein, the locking device (1) has the cap member (4) for closed container opening (3), it is associated with the chamber (6) and inner housing (5) of the cap member (4), furthermore wherein, the chamber (6) and inner housing (5) have the closure means being mutually adapted and open device, the closure means and opening device interact with each other, so as to the rotary motion by the closure means being connected with cap member (4) relative to inner housing (5), the open discharge outlet (8) as opening device for being associated with chamber (6), medium to be stored in chamber (6) can be expelled in container (2).In order to provide a kind of locking device, the locking device can realize effective emptying of chamber in the case where advantageous manufacturability during removing the cap member, it is provided according to the first solution, closure means are the closing cocks (7) being fixedly connected with chamber (6), the closing cock has the vertical extended segment given relative to rotation axis, and the closure means are configured with different regions on the vertical extended segment, i.e. perforation region and closed area.

Description

Locking device for container

Technical field

Present invention firstly relates to a kind of locking device for container, the container has vessel port, wherein the envelope Chamber and inner housing that device has the cap member for closed container opening, is associated with the cap member are closed, furthermore wherein, The chamber and inner housing have the closure means being mutually adapted and open device, the closure means and open device phase each other Interaction, so as to the rotary motion by the closure means being connected with cap member relative to inner housing, opening is associated with chamber The discharge outlet as opening device of room, so that the medium of storage in the chamber can be expelled in container.

The prior art

The locking device of the above-mentioned type is known in the prior art.This closed container is for closed container and same When a kind of chamber is provided, the chamber for liquid or powdered medium, such as tea extraction etc. to be stored separately, So that when filling container the medium it is not direct with the content of container, that is such as water is contacted and/or is mixed, but Just with the content of container, that is such as water is contacted and/or mixed at the time of locking device is detached from from container.This is usually At the time of wanting the content of drinking container.

Document WO2007/129116A1 is for example related to a kind of locking device of aforementioned type, is passing through the locking device Into container, release is in the additional liquid in chamber when closed container is opened.The locking device has cap member, chamber And inner housing.The inner housing has discharge outlet, and the stopper element being connected with inner housing is sealingly engaged into discharge outlet.Cap member and Inner housing is connected with each other by screw thread, wherein cap member can be increased relative to inner housing from closed position to exhaust position, closed Coincidence sets the discharge outlet of middle stopper element closed chamber, and stopper element is at least partly retracted from discharge outlet in exhaust position, In order to provide the communication path from chamber into the main fluid chamber of container.Here, the medium of storage in the chamber is arranged into container Out, and there it is mixed with the medium in container.

Summary of the invention

From the above-mentioned prior art, the technical problem to be solved by the present invention is to provide a kind of locking device, closing dress Set the effective emptying that can be realized during removing cap member in the case where advantageous manufacturability to chamber.

The present invention provides that closure means are the closing cocks being fixedly connected with chamber, described according to the first solution thus Closing cock has the vertical extended segment given along direction of rotation, and closure means are configured on the vertical extended segment Different region, i.e. perforation region and closed areas.

The closure means are preferably closing cock.The closed area can be structured as tubular element, the tubular element tool herein There is the outer diameter suitable or bigger with device, the internal diameter of such as discharge outlet is opened.When opening device is in this region by the soft of elasticity Soft material, when especially for example thermoplastic elastomer (TPE) is made, the outer diameter of tubular element is more bigger than the internal diameter for opening device be advantageous and It is feasible.

Correspondingly, perforation region can be narrowing in the entire circumferential of closure means or only circumferential a part Region.When narrowing region is stretched out upwards by the corresponding rotation of cap member opens device, gap is formd, chamber is included in In material, for example especially liquid can by the gap from discharge outlet flow out.Here, pass-through zone can also even completely Or partly in the internal stretch for opening device.

The technical problem also passes through a kind of locking device and solves, wherein providing, closure means are closing cocks, and are closed Plug is connected by latch piece with chamber.Closure means are configured to the closing cock with chamber clamping lock, this constitution realization is in material The material aspect construction different from the construction of chamber.Chamber can also openly construct first on the side of closure means, and Thus, it is possible to preferably for example be manufactured by plastic injection molding process.The clamping lock of closure means and chamber can also be used in card simultaneously Lock the sealing in region.

Alternately, closure means especially may be configured to fix with chamber under the background of shown first solution The closing cock of connection.

Optionally, discharge outlet is also referred to as closing mouth.

Closure means, especially closing cock is arranged on chamber herein, and open device namely herein especially close mouth or Say discharge outlet preferable configuration on inner housing.In the detent position of locking device, closing cock closes the closing mouth, and method is Closing cock or insertion closing mouth or covering closing mouth.By the unlatching of locking device, i.e. cap member is pulled open relative to container The movement of spacing and at the same time chamber relative to inner housing, closing cock is removed from closing mouth, so that including Jie in the chamber Mass-energy flows into container by closing mouth.When manufacturing locking device, chamber is advantageously centrally imported into inner housing, wherein Closing cock is simultaneously towards the displacement for closing the closing mouth.Because closing cock is fixedly connected with chamber, even if sealing Closing cock also keeps its relative position and orientation relative to chamber during closing the assembling of device, so that closing cock passes through in chamber On this position and orientation automatically with closing mouth contact.

Another kind solution regulation according to the present invention, during cap member is removed from container, relative to chamber Along the removal direction of cap member, cap member is limitedly moved relative to container in the primary motor area section of cap member, and It is coupled in two Segmentation of fault movement with container movement.It is possible thereby to realize that a degree of of cap member removes, without connecting container Band movement.

Cap member especially rotatably moves in primary motor area section relative to chamber.

It further preferably provides, cap member can be perpendicular to chamber movement in primary motor area section.That is Gai Yuan Part is for example lifted by screwing out movement, and the position that chamber then vertically keeps it initially to occupy.

According to another plan plot provide, open device have open when can relative to the opening part of chamber movement, The opening part forms two circular seal areas, and the seal area is in the direction of motion phase given when opening with device is opened It is mutually centrally arranged on vertical direction relative to chamber.

Open device can in two seal areas mutually to middle construction respectively with chamber collective effect.It herein can be with shape At the collective effect for the closing cock being fixedly connected with chamber, and formed with around closing cock construction, be used to open device The collective effect of utensil receiving opening on the chamber of part.

Preferably, it can be under pressure from the medium being discharged in chamber.For this purpose, when medium is liquid, in filling Corresponding pressed gas region is equipped with above liquid level.

For this medium under the pressure, reliable but sealing that also production technology advantageously generates It is crucial.

Due to constituting the seal area of two centerings, two circular, further preferred cylinders can be suitably sealed around The region of shape.The two seal areas especially can be the inner surface of the tubular of the corresponding region of chamber and the outer surface of tubular, institute The inner surface and the outer surface is stated to surround with being opened device sealing.

The invention further relates to a kind of for sealing container, the sealing device of the vessel port of especially beverage bottle, wherein sealing Device has cap member, the chamber and inner housing that are arranged on cap member, wherein the chamber and inner housing, which have, to be mutually adapted Closure means and open device, the air locking and open device interact with each other so that including Jie in the chamber Movement of the matter in view of cap member relative to inner housing can be expelled in container.

In order to be further improved the locking device of the above-mentioned type, provide that closure means are to borrow according to another solution The closing cock for helping latch piece to be connected with chamber, the closing cock can be from inner housings relative to the movement of inner housing by cap member Composition open device closing mouth in remove.

Closing cock can be separately manufactured in the possible embodiment relative to chamber, furthermore can correspondingly sealed It closes in the assembling process of device and exists first as loose pieces.This provides the advantages of manufacture view, further especially in material The advantages of material selection aspect.Closing cock can be in a simple manner by the material different from the final fixing chamber of closing cock, outstanding Its plastic material is made.

Preferably, closing cock and chamber clamping lock, such as card is realized by using the latch piece or clamping lock section being arranged thus Lock.In addition, it is feasible for welding, being bonded when necessary all in order closing cock to be retained on chamber.

Moreover, it relates to a kind of locking device for container, the container has vessel port, wherein institute Chamber and inner housing that locking device has the cap member for closed container opening, is arranged on the described cap member are stated, In, the chamber and inner housing have the closure means being mutually adapted and open device, the closure means and open device that This interaction makes it possible to the rotary motion open configuration discharge outlet in the chamber by cap member relative to inner housing, To which storage medium in the chamber can be expelled in container, furthermore wherein, cap member has screw thread, so as to by locking device It unscrews from container.

This locking device is by above-mentioned known in the art.

In order to provide alternative locking device herein, the present invention advises in one kind of technical problem possible solution Fixed, inner housing has the first output forming section, and the first output forming section only passes through generation when unscrewing in chamber and inner casing Relative rotation between body forms the second output consistent orientation of forming section with construction on chamber.

According to the present invention, only can just pass through when the output forming section of inner housing and chamber is in consistent position Discharge outlet is expelled to the medium stored in the chamber in container.This can be only real relative to the rotation of inner housing by cap member It is existing.One of output forming section is in position compatible with another output forming section by the rotation.And The rotary motion can also be moved superimposed on axial orientation.

Preferably, the movement of cap member, especially rotation are limited by backstop.

It is consistent with another output orientation of forming section by being moved to an output forming section, just in chamber and discharge Outgoing route is constituted between mouthful.

Locking device plays effect identical with rotary valve in a kind of possible design method.

It according to another plan plot, provides with being associated, there is chamber (second) to export forming section, described (second) It exports forming section and outgoing route is opened by the axial relative movement between chamber and inner housing.

Locking device plays the effect similar to slide valve herein.Relative movement, outstanding by cap member relative to inner housing It is axially moveable by the moving in rotation of cap member, the output forming section of chamber to the flowing road made inside from chamber to container The open position of diameter.

Output forming section can be formed by the channel in associated components, can also alternately pass through inner housing and chamber Interaction surface region in the recess of channel-shaped formed.

In another design method, (second) output forming cage structure of chamber side is in the area of the closure means of chamber side In domain, and adaptedly it is configured with (first) output forming section in the region of the opening device of inner housing side thus when necessary.

It can be stated that closing cock is integrally constructed with chamber.Herein especially it is recommended that chamber including closing cock Room is manufactured by plastic injection molding process, without the manufacturing step individually for connecting closing cock with chamber.Due to Chamber is usually made by plastics, for example by polybutylene terephthalate (PBT) (PBT) or polypropylene (PP) or polyethylene (PE), institute To provide a kind of injection moulding process.Due to one-piece construction of the closing cock on chamber, closing cock is relative to the position of chamber and fixed To keeping constant, so that closing cock be made to be reliably achieved when chamber is connected with inner housing to the closing closed position of mouth.Principle On other than the construction of integral type it is also feasible that closing cock is arranged on chamber with method in a simple manner.Such as it can Being bonded or welded closing cock on chamber.Closing cock or the section for carrying the closing cock can also be fixed with chamber, thus The clamping lock connection that will not be loosened in formation operation.It is crucial that chamber, which is manufactured, with being fixedly connected for closing cock, so that closing cock exists It cannot be detached from from chamber during being fitted into locking device.

Furthermore it further provides that, closing cock is outstanding with freedom, can import the closing end in closing mouth.For example, closing cock Can be arranged on chamber wall according to the form of L-shaped contact pin so that freely closing end inwardly shell closing mouth side To direction.In the case where construction in chamber tubular, the end regions of the carrying closing end of closing cock are arranged in the vertical of chamber On axis.In principle it is also contemplated that the different design schemes of closing cock.Such as multiple contact pin arranged with star can also be with Radially extend from the inner wall of chamber to longitudinal axis, wherein multiple contact pin carry the end regions with closed end portion with star. Advantageously, closing cock is arranged in herein in the regional area of chamber, the regional area is opposite in the way of exit region It is constructed narrowedly in other regions of chamber, so that chamber has smaller diameter in the region of closing cock.

In addition, closing end advantageously has the diameter for the internal diameter for being approximately equivalent to closing mouth.Here, closing end The internal diameter of overall diameter and closing mouth adaptedly constructs, to enable closing end to import in closing mouth, when necessary in closing end There is sealing element with closing mouth intermediate arrangement.It is described closing end thus according to plug form to closing mouth in be inserted into.Standby The case where selecting, i.e. closing end be not inserted into closing mouth in, but on the contrary from described in outer closures closing mouth in the case where build View, the diameter for closing end are correspondingly bigger than the diameter for closing mouth.

According to it is proposed that, be that closing mouth and/or closing cock are arranged for closing institute by closing cock Fluid Sealing State the sealing element of closing mouth.In the case where either before the closing end of closing cock is arranged in closing mouth, or sealing Closed end portion to closing mouth in projection or through closing mouth and sometimes from bottom side stretch out closing mouth in the case where, be all proposed to be used in envelope The sealing element of the connection of the Fluid Sealing of closed end portion or closing cock and closing mouth.The sealing element can be sealed advantageously Rubber parts or the like.The sealing element can or be arranged on the fringe region of the restriction closing mouth of inner housing, close On the closing end of plug, or not only it had been arranged on closing mouth but also had been arranged on closing cock.

Advantageously, the inner wall of closing mouth is furnished with sealing element, wherein the inner wall especially coating has sealing material.In This regulation, the closing end of closing cock import in the case where intermediate support sealing element/coating into closing mouth.Pass through utilization Sealing material can construct sealing element to the coating of the inside of closing mouth, and the sealing element remains it on closing mouth Position, and thus facilitate close mouth desirable seal.

Additionally suggest, closing mouth is the part of flow channel, and it is logical that the length of the flow channel is at least equivalent to flowing Five times of the diameter in road, and maximum 20 times for being equivalent to its diameter.The medium flowed out from chamber thus have to flow through flowing Channel, to reach in container.It is thus accomplished that, medium not instead of surge formula is released from chamber, on the contrary certain Period in and released in a manner of thinner a fluid stream.This further promotes the medium being present in container with from chamber stream The better Combination of medium out.The closed end of closing cock need not import flowing at this in the whole length of flow channel and lead to In road, but for example flow channel only can be imported in the region of closing mouth, for example with several millimeters of length sections.Made with this The engagement of chamber and inner housing is easier because closing end in other words closing cock need not in bigger length, especially not It must be placed in flow channel on the entire longitudinal extension part of closing cock and/or flow channel.

But also it can be stated that chamber has the opening of container side, and latch piece is in the case where the U-shape configuration of cross section Surround the open edge of opening.The open edge of opening is preferably configured for the fixed latch piece with closure member of clamping lock.Clamping lock Fixation can not be cancelled in operation.

In addition, (second) output forming section of chamber can also constitute outgoing route most under the opening state of closure The region of lower section.In addition, having the closure means of output forming section when necessary can also utilize in the open position of closure Its away from chamber free end namely not directly by inner housing section surround free end preferably freely protrude into container Inside.

In another design method, the outlet opening on inner housing can be formed in the closure means for sticking on chamber Sealing lip.The sealing lip preferably circumferentially designs in the cylindrical configuration of closure means, and preferably no matter in closure Detent position in still in the open position all with outer surface faced, closure means collective effect.

By opening closure, medium is preferably discharged under stress.The sealing lip sticked in closure means passes through discharge Medium be raised in open position.Be drained in chamber and after the pressure on sealing lip accordingly declines, sealing lip because its from The reseting performance of the elasticity of body is sticked on again on the outer surface of closure means.Jie is overcome by the arrangement and effect of sealing lip The uncontrolled outflow (drippage) of matter surplus.

In another embodiment, chamber can have cavity bottom, wherein cavity bottom, which can transit to, has row It puts in the groove of mouth.In the case where this design method, channel bottom is preferably axially protected relative to the region of cavity bottom Hold spacing.Can in cavity bottom and groove, preferably form slope between channel bottom, the slope possible is set a kind of It is only constructed in the intermediate location with cavity bottom separately through the trench wall for limiting channel bottom when necessary in meter mode.

Groove annular can closely construct, and circlewise construct especially with respect to rotation axis.Groove can be necessary as a result, When surround cavity bottom completely, also radially limit the cavity bottom simultaneously when necessary.

Discharge outlet can construct in channel bottom and/or in trenched side-wall.It arranges or is constructed in groove in discharge outlet When in bottom, the arrangement as deep as possible of discharge outlet is formd in a kind of preferred design method.Center is through discharge outlet Axis can be substantially perpendicular to cavity bottom herein, extend in other words towards the bottom plane transverse to rotation axis orientation.

When discharge outlet arrangement is constructed in other words in the region of trenched side-wall, medium is formd since chamber from groove The discharge stream being radially outwardly directed.This discharge outlet preferable configuration is within the axial height extension of groove, when necessary It is at least tangent with channel bottom herein.

In addition, discharge outlet can also not only construct in channel bottom but also construction is in trenched side-wall, as necessary by ditch Discharge outlet is set in trench bottom and discharge outlet is set in trenched side-wall and is realized.Additionally can only for cross section from Discharge outlet is arranged into the transitional region of trenched side-wall in channel bottom.

But also multiple discharge outlets can be constructed in the circumferential direction of groove, can with either only in the region of channel bottom or Only constructed in the region of trenched side-wall；However it furthermore can also alternately construct when necessary in channel bottom and trenched side-wall In region.

Especially for closure means hermetically collective effect, in a kind of feasible design method, cavity bottom can be with With flexible plastic layer.Especially in detent position closure means preferably with flexible plastic layer collective effect.Another feasible And in preferred design method, flexible plastic layer extends into trench region, herein especially to including discharge outlet region Trench region in extend.

Flexible plastic layer can also extend on channel bottom and/or trenched side-wall as a result,.

Discharge outlet can be only molded in flexible plastic layer when necessary in the case.Correspondingly, flexible plastic layer is herein Extend into the region of discharge outlet, preferably completely constitutes the wall portion of discharge outlet.

Closure means can be protruded into discharge outlet with plug shape, to be sealed shut discharge outlet.It is set in a kind of alternative In meter mode, play a role to closure means slide block type.

It, can be for example using thermoplastic elastomer (TPE) in order to manufacture flexible plastic layer.

Detailed description of the invention

With reference to embodiments the present invention more illustrate in detail.In the accompanying drawings:

Fig. 1 shows the vertical sectional view of the locking device across first embodiment；

Fig. 2 shows the locking devices according to Fig. 1 being arranged on container, are related to detent position；

Fig. 3 shows the enlarged drawing of region III in Fig. 2；

Fig. 4 shows view according to fig. 2, however it is related to exhaust position；

Fig. 5 shows the enlarged drawing of region V in Fig. 4；

Fig. 6 shows view according to fig. 2, is related to second embodiment；

Fig. 7 shows the enlarged drawing of region VII in Fig. 6；

Fig. 8 shows the second embodiment of the locking device in exhaust position；

Fig. 9 shows the enlarged drawing of region IX in Fig. 8；

Figure 10 shows the view according to Fig. 9, is related to another alternate embodiment；

Figure 11 shows view according to fig. 2, is related to another alternate embodiment；

Figure 12 shows the enlarged drawing of region XII in Figure 11；

Figure 13 shows the exhaust position of another embodiment；

Figure 14 shows the enlarged drawing of region XIV in Figure 13；

Figure 15 shows cross-sectional view substantially corresponding with Figure 11, is related to another embodiment；

Figure 16 shows the cross-sectional view according to cutting line XVI-XVI in Figure 15；

Figure 17 shows the enlarged drawing of region XVII in Figure 15；

Figure 18 shows view substantially corresponding with Figure 13, is related to the embodiment according to Figure 15 to Figure 17；

Figure 19 shows the enlarged drawing of region XIX in Figure 18；

Figure 20 shows the cross-sectional view of the locking device across another embodiment substantially corresponding with Fig. 2, is related to sealing Closed position；

Figure 21 shows the enlarged drawing of region XXI in Figure 20；

Figure 22 shows according to fig. 20 view, however it is related to exhaust position；

Figure 23 shows according to fig. 21 enlarged cross-sectional view, is related to according to fig. 22 region XXIII.

Specific embodiment

Shown and described is the locking device 1 with chamber 6, and chamber 6 has under shed, relative under shed is arranged There are opening device, the emptying opened device and realize chamber 6.It opens device to be specifically made of opening part, opens part into one Step is specifically made up of sealing element 10 in this embodiment.Opening part tool, there are two circular seal areas, i.e., one is excellent Seal area of the choosing construction on the outer peripheral surface for opening device, the medial surface collective effect of the seal area and chamber 6, the other is phase For the seal area that above-mentioned seal area constructs with inwardly offsetting, the seal area in this embodiment with the envelope that forms closure means V Occlude 7 collective effects.Described two seal areas are vertical (relative to given direction of motion R when device is opened is opened) along one Direction centrally arranged each other relative to chamber 6.

Fig. 2 shows container 2 in the first embodiment, herein for beverage bottle top regional area, in the container Vessel port 3 on be disposed with locking device 1.Locking device 1 is relative to the being in Fluid Sealing closed container mouth 3 of container 2 In position.Locking device 1 screws on vessel 2 in the usual manner, so that vessel port 3 is closed.In this state, container 2 It can store for a long time, and content will not be flowed out from container 2.In order to open container 2, locking device 1 is with common side Formula is backed out from container 2, so that vessel port 3 is final completely open.

Locking device 1 has cap member 4, the chamber 6 and inner housing 5 being arranged on cap member 4.Shown in (rather than It is restrictive) in embodiment, cap member 4 is such as plastic lid made of polypropylene (PP) or polyethylene (PE).

Fig. 1 to Fig. 5 shows a kind of embodiment of locking device 1, and middle chamber 6 is for example manufactured by plastic injection molding process For individual component.Injection stretch blow molding process can also be used for manufacture chamber, wherein hollow to be manufactured by thermoplastic Body adopts heated parison before or while the external blow molding of common blow moiding method (extrusion and blow molding) along longitudinal direction Stretching is taken, such as takes stretching using the stretching rod for being directed through parison openings.Achievable blowing speeds (minimum outlet herein Diameter: maximum outside diameter) it can for example be up to 1:10.

Thus manufactured chamber 6 is fixed with 4 clamping lock of cap member, and corresponding clamping lock is on cap member.

Thus as shown, upper on the outside of the wall of chamber 6 be provided with circular convex shoulder 19, for being adapted to cap member 4 Clamping lock raised 20 clamping locks ground collective effect.

Leveling portion 21 can be for example set in the region of the adaptation in the circumferential direction of chamber wall and in cap member wall, be used for The transmitting of torque is screwed in the torquing operations of cap member 4.Chamber 6 is torsionally retained on cap member 4.Fig. 2 illustratively shows Out across the sectional side elevation of the flattened zone of locking device 1.Sectional side elevation in Fig. 2 is surrounded relative to the other sectional side elevation of Fig. 1 and 4 Longitudinal axis offsets substantially 90 ° and shows.

It is thus achieved that chamber 6 abuts against on chamber wall in circular chamber wall and chamber top cover and the portion of extending longitudinally Discharge joint 13 aspect and the opening of container side globality.

In this embodiment, 7 clamping lock of closing cock is retained on chamber 6, especially in discharge joint closure means V in other words On 13.Latch piece 22 is used thus.Latch piece 22 is observed in sectional side elevation to be constructed substantially U-shapedly, with circular, encirclement The clamping lock convex shoulder 23 in the free end region of discharge joint 13.Clamping lock convex shoulder is engaged along open edge in the fixed position of clamping lock and arranges Put the radial step of connector 13 accordingly cooperated.

Latch piece 22 is shaped to internal circular wall portion, the circular wall portion on the inside of the wall on be supported in discharge joint 13. Closing cock 7 is for example molded on cross joint strip device in the wall portion.

Inner housing 5 is the design method of can-like, with circular tank skin and is used to support in the appearance for surrounding vessel port 3 Convex shoulder on device edge.

Sealing lip 24 is circumferentially formed on interior housing shoulder bottom side.Sealing lip and the chamber wall for surrounding vessel port 3 In matching position.

Inner housing 5 is also shaped to channel vault 14 in tank bottom side herein.Channel vault, which medially has, has flow channel The design method of 11 plug shape.The forming section of plug shape with flow channel 11 can (however not being shown specifically) pass through ten Word narrow bars shape interconnecting piece is connected with channel vault 14.

Especially above-mentioned join domain is formed by the material injection of sealing element 10 in the shown embodiment, thus sealing element 10 are substantially facing the extension of 6 ground of chamber, additionally at least partially in extension below vault top cover.

Sealing element 10 can be received from radially outer towards center towards 6 funnel-form of chamber in cross-section as shown in Figure 1 It is narrow.

The outer diameter of sealing element 10 is equivalent to the outer diameter of channel vault 14, and the additionally clamping lock with carrying closing cock 7 The free internal diameter of part 22 matches, thus realize in the position of use sealing element 10 and chamber 6 inner wall or latch piece 22 it Between sealing function.

Latch piece 22 can be additionally retained on chamber 6 by welding.

Inner housing 5 is also connected by screw thread 15 with chamber wall herein.

In detent position according to fig. 2, the insertion closing of closing cock 7 mouth is in other words in discharge outlet 8, so that chamber 6 is close Feud closing.

Due to cap member 4 and this exocoel 6, axial relative movement of the closing cock 7 relative to inner housing 5 is realized, In, closing cock 7 keeps closing mouth 8 open, so that the medium of storage is discharged from chamber 6 to container.

Inner housing 5 prevents from reversing by the frictional engagement (first) between sealing lip 24 and chamber wall.

Another embodiment is shown in Fig. 6 to 9.Here, chamber 6, especially circular chamber wall and chamber top cover are preferred It is designed for insertion into part, the insertion piece is to constitute cap member 4 to be injection molding encapsulating.Chamber 6 essentially forms discharge joint 13 And the section (as preferably) for integrally constituting closing cock 7 in this embodiment can be separately made, and for structure It finally is based on preferably being weldingly connected with the insertion piece at chamber 6.

The section that there is discharge joint 13 funnel-form to narrow, the section transit to the cylinder area from end side carrying closing cock 7 Section 25.Closing cock 7 is further preferably retained on a section 25 by cross joint strip device herein, wherein closing cock 7 extends along axis Direction is protruded from the free end of cylinder section 25.

It designs to 10 can-like of sealing element on inner casing side, has circular sealed wall, the sealed wall sticks on row It puts on the outside of the wall on the cylinder section of connector 13.

Closing mouth 8 is configured in sealing pot bottom.Flow channel 11 is constructed basically by sealing element 10.

The sealing element 10 of can-like is circumferentially gone up and on the bottom side of sealing pot bottom on the outside of wall by the phase of inner housing 5 The section covering for answering can-like to construct.

The sealing substantially in two regions in is formd in the detent position according to Fig. 6 and 7.The two are right In region in one be region between the cylindrical wall and circular sealing tank skin of discharge joint 13, the two centerings It is in region the other is flow channel 11 this region, in this region, the corresponding surrounding wall of sealing element 10 pastes On the outer wall for leaning against the adaptation of closing cock 7.

There is closing cock 7 (second) to export forming section 26.Second output forming section passes through the slot being longitudinally directed to and constitutes, described Circular wall surface of the slot towards closing cock 7 and the free end towards closing cock open wide.

In detent position, closing cock 7 is completely in the illustrated embodiment in flow channel 11.Export forming section 26 Extend on axial length at this, the axial direction which is less than the sealing area between closing cock 7 and sealing element 10 is long Degree.So output forming section 26 for example extends in the half of the axial length of closing cock 7.

Output forming section 26 in channel form is only shown.In addition, the arrangement etc. of the slot of multiple circumferentially distributed constructions It is also feasible.In addition, circular radial constriction can also construct the output forming section 26.

Closing cock 7 is set to be raised to position according to Fig. 9 relative to the axial movement of inner housing 5 by chamber 6 herein, In position shown in this, closing cock 7 with sealing element 10 is hermetically coefficient, the area that is not affected on cross section Flow channel 11 is left in domain, and makes to export the flow path that forming section 26 is in front of open chamber interior and flow channel 11 Position.Output forming section 26 is lifted to the plane of delivery outlet or more.

As shown in figure 9, closing cock 7 not exclusively removed from sealing element 10 it is also enough, even if as shown in Figure 10 can Realize this solution.

In addition, the output forming section 26 can also correspondingly axially-extending exceeds 5 Shi Gen of inner housing downwards in closing cock 7 According to the region for the bottom for constituting outgoing route under the discharge state of Fig. 9 (see shown in Fig. 9 dotted line).

Closing cock 7 and inner housing 5 or sealing element 10 are acted in a manner of slide valve in this embodiment.

Figure 11 to 14 shows a kind of embodiment, wherein closing cock 7 and sealing element 10 are made jointly in a manner of rotary valve With.

Based on the basic arrangement and construction according to the locking device 1 of above-described embodiment, here, inner housing 5 by screw thread, But be connected with chamber 6 by clamping lock interconnecting piece, the clamping lock interconnecting piece permission chamber 6 relative to inner housing 5 relative rotation, It is preferred that the relative rotation in previously given angular range.

Closing cock 7 is permanently installed in this embodiment in sealing element 10, correspondingly not relative to sealing element Axial movement.

Movement of the closing cock 7 relative to sealing element 10 is only realized in the circumferential, this is preferably limited in about by backstop In 180 ° of angular range.

Such as the embodiment, also there is closing cock 7 (second) to export forming section 26 herein, and the second output forming section is in The form of the slot axially extended on wall side.Second output forming section is in the detent position according to Figure 11 and 12 based on vertical It is oriented with offsetting about 180 ° in the cross section of axially-extending portion relative to the first output forming section 27 on inner casing side.Described One output forming section 27 preferably also constructs in a manner of slot, preferably constructs in the form of the slot that the portion of axially extending extends, described First output forming section is arranged on the wall side for the flow channel 11 being made up of sealing element 10.Forming section 27 is exported from closing Mouth 8 starts to extend in about half of the length extension of flow channel 11 since the plane of the opening for being directed toward chamber 6 in other words.

The radially widened of the part in the circumferential of channel cross-section is correspondingly formed in this region.

By moving in rotation, closing cock 7 is placed in sealing element 10 and rotates to exhaust position, according to Figure 14's In exhaust position, output forming section 26 and 27 is consistently oriented.The output forming section of channel-shaped is formd along axial overlapping, thus Make to export forming section composition flow channel so that the medium that will be in chamber 6 exports.

In this embodiment, inner housing 5 is the first swing offset for reaching exhaust position and also having passed through about 180 ° It is lifted axially with respect to vessel port 3.Sealing lip 24 has enough axial lengths, even if to rotate from detent position There is axial movement during being moved to exhaust position, can also apply sufficiently high fixing torque to prevent inner housing 5 from rotating.

In the region of delivery outlet 28, forms on inner housing 5 or surround equipped with what is be directly made of sealing element 10 Sealing lip 29.No matter in detent position or in exhaust position, sealing lip 29 is attached both relative to closing cock 7 The circumferential surface in region acts on.Thus the sealing of flow channel 11, the discharge are formed especially in the exhaust position of locking device 1 Position also corresponds to removed lid position.It is removed after output to container 2 in chamber 6 in medium and is placed on placed side On cover piece medium surplus that may be present will not be made to lose from chamber 6.Thus overcome the pollution of working face environment in other words.

Because no longer there is the pressure improved relative to environment, institute after output medium in chamber 6 in exhaust position It is enough to overcome the drippage of possible surplus with the sealing of this lip-like.

--- pre-assembled --- pressure-loaded --- assembly that locking device 1 can be loaded in the usual manner: filling.

Further, it is also possible to after filled chamber 6 by 5 clamping lock of inner housing in the valve open position on chamber 6, hereafter with Pressure-loaded chamber 6 and the relative rotation closed chamber for passing through inner housing 5 and chamber 6.It is also feasible that in filled chamber 6 Later by 5 clamping lock of inner housing in jam pot cover closed position.

Sealing element 10 is configured to, so that sealing element is essentially permanently pasted in the region of delivery outlet 28 with prestressing force It leans against on closing cock 7.On the one hand it thus avoids possible in the first output forming section 27 between sealing element 10 and closing cock 7 Precipitating.Drippage can be effectively prevented in another aspect sealing lip 29.

Sealing lip 29 has indent 30 on outer side in the illustrated embodiment, to further increase flexibility, by This forms resistance as small as possible when squeezing discharge chamber's content completely.

Figure 15 to 19 shows other embodiments, is substantially based on the embodiment according to Figure 11 to 14 herein.

And it is also torsionally connected with each other in this chamber 6, discharge joint 13 and closing cock 7, and be generally relative to interior Shell 5 can relative rotation it is mobile, however be fixedly linked axially with respect to inner housing.

As described in above-described embodiment, at this in discharge joint 13 preferred external rings around protrusion 9 be entrenched in inner housing 5 In the annular groove 12 mutually attached.It is mobile relative to the relative rotation of inner housing 5 that especially closing cock 7 is consequently formed.On the contrary, along axial direction It then prevents to relatively move.

In embodiment of above, cap member 4 removes the rotation (first) in the direction of position since detent position along lid Lead to rotation of the chamber 6 together with closing cock 7 relative to inner housing 5, and cause with being superimposed with this inner housing 5 and chamber 6 together with Closing cock 7 removes the axial movement in direction along lid, thus in the embodiment according to Figure 15 to 19, in cap member 4 from basis Only implement closing cock 7 when the detent position of Figure 15 rotates beginning first and passes through rotation of the chamber 6 relative to inner housing 5, and it is not firm Apply above-mentioned axial movement.

Chamber 6 is together with closing cock 7 and inner housing 5 along removing the axial movement in direction preferably up to reaching according to Figure 18 and 19 Shown in exhaust position when just stop.

This is realized basically by idle running of the direction observation cap member 4 relative to chamber 6 is axially extended.

It can be arranged on chamber in the sectional side elevation according to Figure 15 on the outside of the wall of chamber 6 thus radially external towards lid The backstop lip 15 that the wall interior direction of element 4 is directed toward.The envelope of the lid below backstop rib 15 is being located at axial spacing according to Figure 15 In closed position, the substantially radially linkage rib 16 of inside projection is equipped in the shown embodiment on the inside of the wall of cap member 4.

In the lid detent position according to Figure 15 encapsulated sometimes, direction observation is axially extended in linkage rib 16 and is stopped Spacing between retaining rib item 15 preferably can be according to axial movement adjustment of displacement of the cap member 4 when it rotates 180 °.So institute Stating axial spacing may be about 1mm to 2.5mm, furthermore e.g., about 1.6mm to 1.8mm.

Chamber 6 is torsionally retained on cap member 4, however axially extends direction in cap member 4 by above-mentioned measure It can linear movement.For this purpose, the rib 31 axially extended is set on the outside of the wall of chamber 6, the rib 31 axially extended Rib 32 that matching corresponding to the cap member 4 on the inside of wall is arranged, equally axially extending engages (referring to Fig.1 6).

Thus while chamber 6 is by the rotation linkage of cap member 4, the element phase that realizes chamber 6 and be connected with chamber 6 For vertically moving for cap member 4.

In this embodiment, the moving in rotation due to cap member 4 since the detent position according to Figure 15 and chamber 6 Corresponding rotation linkage, closing cock 7 are also placed in sealing element and rotate to exhaust position, according to Figure 18 and 19 Exhaust position in output forming section 26 and 27 consistently orient.The output forming section of channel-shaped is formd herein along axial weight It is folded, so that exporting forming section constitutes the flow path exported for medium.

During by the first moving in rotation of e.g., about 180 ° of swing offset, chamber 6 and inner casing are not formed The axial movement of body 5.It is preferred that when reaching the exhaust position according to Figure 18 and 19, cap member 4 continuation moving in rotation and by When this causes the load to the rib 31 of chamber side by rib 32 of lid side, just beginning particularly for by inner housing 5 from container Be open 3 separate axial movements.

Figure 20 to 23 shows another embodiment, wherein as described in substantially in the above-described embodiment, passes through inner housing 5 Cavity bottom 33 is constituted in mated condition.In the illustrated embodiment, cavity bottom phase in the cross-sectional view based on Figure 20 Extend in the plane of orientation at an acute angle for the main body axis of locking device 1.

Cavity bottom 33 entirely circumferentially transits to groove 34 around it.The groove leads to according to fig. 20 cross-sectional view The trenched side-wall 36 and channel bottom 37 for crossing internal trenched side-wall 35 and radially outer limit.

The side wall 35 of inner radial transits to cavity bottom 33, and in the trenched side-wall 36 of radially outer is essentially shaped as The housing wall of shell 5.

Especially the surface of channel bottom 37, it is then preferred that the trenched side-wall 35 of inner radial the surface towards groove space The surface towards chamber 6 of cavity bottom 33 as shown in the figure is covered by flexible plastic layer 38 when necessary.Such as preferably, soft modeling The bed of material can pass through bicomponent injection molding method and 5 co-manufactured of inner housing.Alternately, flexible plastic layer 38 can be crossed and individually be made Make as can-like component and for example can clamping lock be fixed on 5 inside of inner housing.

At least one discharge outlet is constructed in the region of channel bottom 37 and closes mouth 8 in other words, is had and locking device 1 The preferred identical orientation of main body axis opening axis, thus correspondingly substantially fixed along vertical line under the upright state of container 2 To.

The design of 8 eyelet-like of discharge outlet, not only runs through hard plastics, but also soft in the region of cavity bottom 33 Run through soft material in the region of matter plastic layer 38.

As described in 1 to 19 embodiment referring to Fig.1 and shown, in the embodiment of Figure 20 to 23, closure means and Sealing element collective effect in a manner of rotary valve.

Sealing element 10 is made up of flexible plastic layer 38.Closure means V substantially plug shape in this embodiment Construction is formed particularly by the wall of discharge joint 13.

Discharge joint 13 is substantially extended with drum forms, wherein in a state of use in the normal fashion downwards, phase In the groove 34 for the free end insertion inner housing 5 for answering annular to surround.

Closure means V, mutually should be herein discharge joint 13 annular end regions be permanently installed at sealing element 10, In this groove 34, do not moved in the axial direction relative to sealing element correspondingly.It is preferred that only realizing closure means V in the circumferential Relative to sealing element 10, especially with respect to the movement of flexible plastic layer 38, this is for example limited in about 180 ° of angle by backstop It spends in range.

There is closure means V (second) to export forming section 26 herein, and in the form of slot, the slot is radially inward radially The direction of internal trenched side-wall 35 and open towards the direction edge of discharge outlet 8 axially downward.Second output forming section is in root According in the detent position of Figure 20 and 21 relative in the region of trenched side-wall 35 towards 34 direction of groove orient first output at Shape portion 27 orients with offsetting about 180 °.First output forming section is correspondingly molded in the region of flexible plastic layer 38.

The first output forming section 27 is preferably also constructed in the form of slot, the structure especially in the form of the slot axially extended It makes.Furthermore according to illustrated embodiment, first output forming section 27 and discharge outlet 8 be axially spaced setting from trench wall 35 to In the intermediate location of cavity bottom 33.

The radially widened portion of groove 34 is correspondingly formd in the region of the first output forming section 27.

By moving in rotation, the closure means V of plug shape is placed in sealing element 34 and rotates to exhaust position, In According to fig. 2 in 3 exhaust position, output forming section 26 and 27 is consistently oriented.It has been axially formed the output forming section of channel-shaped Overlapping and second output forming section 26 and discharge outlet 8 matching, thus export forming section constitute for export be in chamber The flow path of medium in 6.

First output forming section 27 is open axially towards chamber 6.

For above embodiment for illustrating the invention being integrally incorporated in the application, the present invention is special at least through following technology Sign carries out creative improvement to the prior art respectively, namely:

A kind of locking device 1, which is characterized in that closure means are the closing cock 7 being fixedly connected with chamber 6, the closing Filling in has the vertical extended segment given relative to rotation axis, and closure means are configured on the vertical extended segment Different regions, i.e. perforation region and closed area.

A kind of locking device 1, which is characterized in that closure means are closing cocks 7, and closing cock 7 and chamber are by clamping lock Part 22 is connected.

A kind of locking device 1, which is characterized in that opening device has the output forming section relatively constructed with direction of rotation 26、27。

A kind of locking device 1, which is characterized in that inner housing 5 have (first) export forming section 27, it is described first output at Shape portion is only shaped by the second output of relative rotation and construction on chamber 6 between chamber 6 and inner housing 5 when unscrewing Portion 26 consistently orients.

A kind of locking device 1, which is characterized in that (the second) output forming section 26 construction is on closing cock 7.

A kind of locking device 1, which is characterized in that closing cock 7 is connected with chamber 6 by latch piece 22.

A kind of locking device 1, which is characterized in that the movement does not have axial relative movement between chamber 6 and inner housing 5 In the case where carry out.

A kind of locking device 1, which is characterized in that during cap member 4 is removed from container 2, relative to chamber 6 along lid The removal direction of element 4 cap member 4 in the primary motor area section of cap member 4 is limitedly moved relative to container 2, and It is coupled in two Segmentation of fault movement with the movement of container 2.

A kind of locking device 1, which is characterized in that when only in a horizontal plane given between closure means and opening device When movement, the discharge of medium is realized in the movement between chamber 6 and inner housing 5.

A kind of locking device 1, which is characterized in that cap member 1 can rotate fortune relative to chamber 6 in primary motor area section It is dynamic.

A kind of locking device 1, which is characterized in that chamber 6 has the closing cock 7 as closure means, and opens device With closure member collective effect.

A kind of locking device 1, which is characterized in that closing cock 7 is integrally constructed with chamber 6.

A kind of locking device 1, which is characterized in that closing cock 7 is outstanding with freedom, can import the closing closed in mouth 8 End 9.

A kind of locking device 1, which is characterized in that closing end 9 has diameter, and the diameter is approximately equivalent to closing mouth 8 internal diameter.

A kind of locking device 1, which is characterized in that closing mouth 8 and/or closing cock 7 are furnished with for close by 7 fluid of closing cock Close the sealing element 10 of the closing mouth 8 in feud.

A kind of locking device 1, which is characterized in that the inner wall of closing mouth 8 is furnished with sealing element 10, which is characterized in that described Inside coating has sealing material, for constructing sealing element 10.

A kind of locking device 1, which is characterized in that closing mouth 8 is the part of flow channel 11, the length of the flow channel At least it is equivalent to five times of the diameter of flow channel, and maximum 20 times for being equivalent to its diameter.

A kind of locking device 1, which is characterized in that chamber 6 is centrally arranged in inner housing 5, wherein chamber 6 passes through envelope The opening procedure for closing device 1 can move inside inner housing 5 along axial direction on vessel 2.

A kind of locking device 1, which is characterized in that chamber 6 has the opening of container side, and latch piece 22 is in cross section U Shape surrounds the open edge of opening in the case where constructing.

A kind of locking device 1, which is characterized in that (first) output forming section 27 of chamber 6 is also in the open shape of closure The region of the bottom of outgoing route is constituted under state.

A kind of locking device 1, which is characterized in that the delivery outlet formation on inner housing 5 sticks in the closure means of chamber 6 Sealing lip 29.

A kind of locking device 1, which is characterized in that chamber 6 has cavity bottom 33, and cavity bottom 33 transits to and has In the groove 34 of discharge outlet 8.

A kind of locking device 1, which is characterized in that 34 annular of groove closely constructs.

A kind of locking device 1, which is characterized in that discharge outlet 8 constructs in channel bottom 37 and/or in trenched side-wall 36.

A kind of locking device 1, which is characterized in that multiple discharge outlets 8 are constructed in the circumferential direction of groove 34.

A kind of locking device 1, which is characterized in that cavity bottom 33 has flexible plastic layer 38.

A kind of locking device 1, which is characterized in that discharge outlet 8 is only molded in flexible plastic layer 38.

All disclosed technical characteristics (, or in a manner of various combination) in itself are all creative.The application's Also all include by the disclosure of affiliated/appended priority document (earlier application text) in open file, and mesh thus Also by the feature of these files be included in claims hereof in.Dependent claims are with the existing skill of its characteristic present The exclusive creative improvement project of art, particularly for carrying out divisional application based on these dependent claims.

List of numerals

1 locking device

2 containers

3 vessel ports

4 cap members

5 inner housings

6 chambers

7 closing cocks

8 closing mouths

9 protrusions

10 sealing elements

11 flow channels

12 annular grooves

13 discharge joints

14 channel vaults

15 backstop ribs

16 linkage ribs

17 screw threads

18 screw threads

19 convex shoulders

20 clamping lock protrusions

21 leveling portions

22 latch pieces

23 clamping lock convex shoulders

24 sealing lips

25 sections

26 output forming sections

27 output forming sections

28 delivery outlets

29 sealing lips

30 indents

31 ribs

32 ribs

33 cavity bottoms

34 grooves

35 trenched side-walls

36 trenched side-walls

37 channel bottoms

38 flexible plastic layers

V closure means

Claims

1. one kind is used for the locking device (1) of container (2), the container has vessel port (3), wherein the locking device (1) chamber (6) and inner housing that there is the cap member (4) for closed container opening (3), be associated with the cap member (4) (5), furthermore wherein, the chamber (6) and inner housing (5) have the closure means being mutually adapted and open device, the closing Device and open device interact with each other, so as to by the closure means being connected with cap member (4) relative to inner housing (5) rotary motion, the open discharge outlet (8) as opening device for being associated with chamber (6), to be stored in chamber (6) Medium can be expelled in container (2), which is characterized in that closure means are the closing cocks (7) being fixedly connected with chamber (6), The closing cock has the vertical extended segment given relative to rotation axis, and the closure means are prolonged in described vertical It stretches and is configured with different regions in section, is i.e. perforation region and closed area.

2. the feature of preamble according to claim 1 or locking device according to claim 1 (1), feature exists In the closure means are closing cock (7), and the closing cock (7) is connected with the chamber by latch piece (22).

3. locking device (1) according to any one of the preceding claims, which is characterized in that the opening device have with The output forming section (26,27) that direction of rotation relatively constructs, and/or preferably, the inner housing (5) exports with (first) Forming section (27), described (first) export forming section when unscrewing by occurring over just the phase between chamber (6) and inner housing (5) To rotation, consistently oriented with (second) output forming section (27) of the construction on the chamber (6), without along rotary shaft The relative motion in line direction, and/or preferably, described (second) exports forming section (26) construction on closing cock (7), and/or Preferably, the closing cock (7) is connected with the chamber (6) by latch piece (22), and/or preferably, and the movement is in chamber Do not have to carry out in the case where axial relative movement between room (6) and the inner housing (5).

4. the feature of preamble according to claim 1 or locking device according to any one of the preceding claims (1), which is characterized in that during the cap member (4) is removed from the container (2), relative to the chamber (6) along institute Removal direction cap member (4) described in the primary motor area section of the cap member (4) of cap member (4) is stated relative to the appearance Device (2) limitedly moves, and the container described in second motor area Duan Zhongyu (2) movement coupling.

5. locking device (1) according to any one of the preceding claims, which is characterized in that when only giving in a horizontal plane When the closure means and the movement opened between device, movement between the chamber (6) and the inner housing (5) Realize the discharge of medium, and/or preferably, the cap member (4) is in the primary motor area section relative to the chamber (6) Can rotary motion, and/or preferably, the chamber (6) has the closing cock (7) as the closure means, and described Device and the closure member collective effect are opened, and/or preferably, the closing cock (7) and the chamber (6) integrally structure It makes.

6. locking device (1) according to any one of the preceding claims, which is characterized in that the closing cock (7) has Freedom is outstanding, can import the closing end (9) in closing mouth (8), wherein preferably, the closing end (9) has Diameter, the diameter are approximately equivalent to the internal diameter of closing mouth (8).

7. locking device (1) according to any one of the preceding claims, which is characterized in that for the closing mouth (8) and/ Or the sealing element for closing closing mouth (8) by the closing cock (7) Fluid Sealing is arranged in the closing cock (7) (10)。

8. locking device (1) according to any one of the preceding claims, which is characterized in that described to close the interior of mouth (8) Wall is furnished with sealing element (10), and/or it is characterized in that, the inside coating has sealing material, for constructing the sealing member Part (10).

9. locking device (1) according to any one of the preceding claims, which is characterized in that the closing mouth (8) is institute The part of flow channel (11) is stated, the length of the flow channel is at least equivalent to five times of the diameter of the flow channel, and And maximum 20 times for being equivalent to its diameter, and/or preferably, the chamber (6) is centrally arranged in the inner housing (5) In, wherein the chamber (6) by the opening procedure of the locking device (1) can on the container (2) along axial direction in institute Movement inside inner housing (5) is stated, and/or preferably, the chamber (6) has the opening of container side, and the latch piece (22) open edge of the opening is surrounded in the case where the U-shape configuration of cross section.

10. locking device (1) according to any one of the preceding claims, which is characterized in that the chamber (6) (the One) output forming section (27) also constitutes the region of bottom of the outgoing route and/or excellent under the opening state of closure Selection of land, the output outlet structure on the inner housing (5) stick on the sealing lip (29) in the closure means of the chamber (6).

11. locking device (1) according to any one of the preceding claims, which is characterized in that the chamber (6) has chamber Room bottom (33), and the cavity bottom (33) transits in the groove (34) with discharge outlet (8).

12. locking device (1) according to any one of the preceding claims, which is characterized in that groove (34) annular Closely construct.

13. locking device (1) according to any one of the preceding claims, which is characterized in that discharge outlet (8) construction In channel bottom (37) and/or in trenched side-wall (36).

14. locking device (1) according to any one of the preceding claims, which is characterized in that in the groove (34) Multiple discharge outlets (8) are configured in circumferential direction.

15. locking device (1) according to any one of the preceding claims, which is characterized in that the cavity bottom (33) With flexible plastic layer (38).

16. locking device (1) according to any one of the preceding claims, which is characterized in that the discharge outlet (8) only at Type is in the flexible plastic layer (38).