EP3268121B1 - Transport and storage container for liquids with a stirring rod assembly - Google Patents

Description

The invention relates to a transport and storage container for liquids with a lid and a container formed as an inner container made of plastic, which has a closable opening in an upper bottom wall for filling the container and on a front side an outlet connection for connecting an outlet fitting and a two side walls, a rear wall and a front wall of the container interconnecting lower bottom wall for supporting the container on a pallet base of a provided with an outer jacket for receiving the container transport pallet, wherein the lid is provided with a Rührstabanordnung for connection to a combinable with the container agitator, wherein the Rührstabanordnung a rod-shaped, as a hollow shaft Stirring element holder designed to receive a stirrer shaft and agitator members pivotably connected to the stirrer body, such that the stirrers are pivoted in a mounting configuration with a free stirrer end against a rotation axis of the stirrer body.

A transport and storage container for liquids of the type mentioned above according to the preamble of claim 1 with a Rührstabanordnung is from the EP 2 620 210 A1 known. The stirring elements of the known stirring rod arrangement are pivoted against the stirring member carrier in a mounting configuration in which the stirring rod arrangement can be inserted into a container for receiving liquids and secured in this position via a latching connection on the stirring element carrier.

To transfer to an operating configuration in which the stirring elements are with their Rührorganenden in a radially spaced from the stirrer carrier position, the stirring elements must be manually pivoted.

From the DE 24 20 605 A1 an agitator or a stirring rod assembly for a septic tank is known, wherein the agitator wing-like stirring members, which are arranged pivotably on a Rührorganträger or on a Rührwerkswelle. Upon rotation of the agitator shaft, the stirrers are due to the then acting on the agitators centrifugal force to the outside. At a standstill of the agitator shaft, the stirring elements pivot under the action of their own weight or springs in an axially parallel position.

The SU 1 152 639 A1 discloses a Rührstabanordung, are mounted in the stirrers pivotally mounted on a stirrer shaft. At the stirrers weights are arranged with springs. Upon rotation of the agitator shaft, the agitators move due to the centrifugal force of the weights with increasing speed inwards, with decreasing speed, the stirring elements by means of spring force to the outside to be moved. The stirring elements should be adapted to a viscosity of a liquid to be mixed.

The present invention has for its object to provide a transport and storage container for liquids with a Rührstabanordnung of the type mentioned, which allows automatic transfer of the stirring members of the mounting configuration in the operating configuration.

To solve this problem, the transport and storage container according to the invention has the features of claim 1.

The present invention relates to a transport and storage container for liquids with a container designed as an inner container made of plastic, which has a lid closable filling opening for filling the container and on a front side an outlet connection for connecting an outlet fitting in an upper bottom wall and a two side walls a bottom bottom wall interconnecting a rear wall and a front wall of the container for supporting the container on a pallet base of a transport pallet provided with an outer jacket for receiving the container, the lid of the container being provided with a stir bar assembly.

According to the invention, a spring device is arranged between the stirring elements and the agitator carrier of the stirring rod arrangement, such that the stirring elements assume an angular position δ which is dependent on the rotational speed of the agitator carrier in an operating configuration as a result of a rotation of the agitator carrier, with a stirring angle δ formed in relation to the rotation axis, such that the free Rührorganenden are arranged in a stirring distance r from the axis of rotation and the spring force is greater with increasing stirring angle.

According to the invention, therefore, an automatic pivoting of the stirring elements takes place, such that the stirring member ends are pivoted open during operation of the stirring rod assembly as a result of the centrifugal force acting on the stirring element ends and arranged in a stirring distance from the axis of rotation. This not only makes it possible to carry out the transfer of the stirring elements of the mounting configuration in the operating configuration without manual intervention. In addition, the desired distance of the stirrer ends can be adjusted by the Rührorganträger on the selection of a suitable speed of the stirring rod. The spring force acts as a restoring force, which counteracts the centrifugal force and causes a return of Rührorganenden against the axis of rotation with decreasing Rotationsgeschwingigkeit. Thus, residual quantities of liquids which accumulate in a narrowed bottom area of the container can be stirred up, in particular even in the container, without the risk of collision of the stirring element ends with the container wall. The restoring spring action also has the consequence that even agitators made of a material of low density in a liquid of comparable density can not float, but are effective in a desired stirring depth in the liquid.

It is particularly advantageous if the free stirrer elements of the stirrers are arranged in the mounting configuration below the pivot bearings formed on the agitator carrier, since thus the stirrers can be pivoted directly against each other in the assembly configuration, so that the for the introduction of the stirring rod assembly through the filling opening of the container in the Container relevant cross-section in the range of mutually pivoted stirrers is as low as possible.

If the spring device is designed as a leg spring, in particular the cross-sectional minimization explained above can still can be supported, since the leg spring is radially outboard of the stirrers with minimal radial overhang can be installed.

Preferably, one leg of the leg spring is supported above the pivot bearing on the agitator carrier and the other leg of the leg spring is supported on the stirrer.

In a further advantageous embodiment, the spring device is designed as a spiral spring, which requires the smallest possible installation space. For example, one end of the coil spring may be arranged on a pivot pin of the pivot bearing and the other end on the agitator.

If the spring device is designed as an electrically conductive connection between the agitator carrier and the stirring element, a reliable electrostatic discharge independent of the design of the pivot bearing can take place from the liquid to be stirred via the stirring elements into the agitator carrier.

It is particularly advantageous when the spring device is made of an electrically conductive plastic, wherein in a particularly preferred embodiment, the Rührstabanordnung total with all its components in plastic, preferably electrically conductive plastic, is executable.

If the spring device is formed from a material extension formed on the stirring element, it is possible to design the spring device together with the stirring element in a single production process, for example in an injection molding process. In addition, an integral connection between the spring device and the stirring element is thereby realized, so that it is possible to dispense with special, separately formed connection devices.

This is also the case for the connection of the spring device with the Rührorganträger the case when the spring device with a free terminal end positively, for example via a latching connection, is connected to the Rührorganträger.

Also, regardless of the arrangement of a spring means on the stirring rod, it proves to be advantageous in a Rührstabanordnung of the aforementioned type, when the stirring members are made of electrically conductive plastic.

Also, regardless of the arrangement of a spring device on the Rührstabanordnung it proves to be advantageous if the Rührorgane have a bearing end and a connected via a web to the bearing end, formed with a flow tube Rührorganende, wherein the flow tube has a pipe wall.

Due to the formation of the Rührorganendes with a flow tube, a stabilization of the rotating in a flow medium Rührorganendes is effected in the flow direction.

If the pipe wall is formed such that in a section perpendicular to the longitudinal axis of the web above a pipe axis, the length of the pipe wall in the flow direction is greater than below the pipe axis, above the pipe axis in the flow direction a longer surface profile is formed as below the flow axis, so that on the Aufühorganenden acting buoyancy is increased and a stabilization of Rührorganenden in the liquid flow during operation is the result.

Moreover, if a surface area of a buoyancy surface formed by an upper part of the pipe wall is inclined at an angle to the direction of flow, a desired buoyancy force can be set at the agitator ends via the choice of the angle of attack as a function of the rotational speed of the stirring rod arrangement. Thus, it is possible, for example, by a suitable choice of the angle of attack a special adaptation of the stirring rod assembly to the Viscosity or other material properties of the liquids aufzurührenden make.

Preferably, the pipe wall is formed as a slender cone, such that a flow inlet cross section of the flow tube is inclined to a flow outlet cross section of the flow tube at a pipe angle, so that thereby influencing the buoyancy force is possible.

If the flow tube at a flow inlet cross-section has a storage rim with an annularly formed storage surface which adjoins a web surface of the web, depending on the design and size of the storage surface, a desired flow resistance of the stirring element can be adjusted.

It is particularly advantageous if the storage area is inclined relative to the axis of rotation by a storage surface angle in the direction of flow, so that apart from the area size of the storage area, the flow resistance can be adjusted via the storage area angle.

Preferably, the storage surface has at least one surface segment, which is inclined relative to a flat partial surface of the storage surface by a surface segment angle, so that in the manner of a well-known from aerodynamics or flight mechanics wing flap at a defined point attacking additional buoyancy force can be generated to influence the Relative arrangement of Rührorganendes serves in the flow environment.

In particular, depending on the medium to be stirred, selected angular ranges for the surface segment angle may prove advantageous. The surface segment angle β ₁ , β ₂ is preferably between 5 and 90 °, in particular between 5 and 45 °, particularly preferably between 5 and 20 °, and in particular between 10 and 15 °, particularly preferably 10 °.

Depending on the desired direction of action of the particular buoyancy force generated by the salaried surface segment, the surface segment may be inclined counter to the direction of flow or in the direction of flow.

It is particularly advantageous if the surface segment can be changed in its inclination relative to the flat partial surface of the storage surface, so that adaptation of the buoyancy effect induced by the surface segment to the respective medium to be stirred by means of the stirring rod arrangement can take place.

Preferably, the surface segment is formed as a ring segment, such that an outer edge of the surface segment is formed by the peripheral edge of the storage surface and a connecting edge of the surface segment in the transition to the partial surface tangent to the flow inlet cross section of the flow tube.

In particular, when a buoyancy moment is to be generated at the end of the stirring element by means of the surface segments, it is advantageous if the storage surface has two surface segments, which are preferably arranged opposite one another.

Preferably, the surface segment angle β ₁ , β ₂ are equal in magnitude.

It may also be advantageous for the generation of a buoyancy torque if the area segment in the inflow direction and a surface segment are inclined counter to the inflow direction.

If in a central web portion a buoyancy pocket is formed with a lifting surface which is inclined relative to the axis of rotation by an angle of inclination in the flow direction and with an angle of attack with respect to the direction of flow, by suitable choice of the angle, the buoyancy and flow behavior of the Agitator are influenced by a corresponding design of the web surface.

Preferably, the Rührorganträger has at its upper axial end a connection means for connection to the lid, wherein the connection device has an axial stop for abutment against a formed in the bottom of a cover for receiving a bung plug plug formed support edge defining a formed in the bottom piercing opening , This makes it possible that the Rührstabanordnung is also connected independently of a combined with the Rührstabanordnung stirrer means of the lid to the container. In this way, the stirring rod arrangement can also be arranged on a container or remain without having to necessarily couple an agitator to the stirring rod arrangement.

The above advantageous embodiment of the Rührstabanordnung with the arranged at its upper axial end connection device thus proves to be independent of the other configuration of the Rührorganträgers, ie in particular regardless of whether a spring means between the Rührorganen and the Rührorganträger is arranged, and in particular independently how the stirrers are designed, as advantageous.

If the stop of the above-described connection device is formed by a circlip received in a circlip receptacle of the connection device, this can be carried out particularly easily, on the other hand allows the design of the stopper as a circlip, which rests on the support edge, if necessary, a rotational movement between the Stirring bar assembly and the lid. Preferably, the locking ring is located on the support edge only at a standstill of Rührstabanordnung, whereas the retaining ring is lifted from the support edge during rotation of the Rührstabanordnung relative to the cover to friction and friction caused by friction and thus possible Avoid contamination of the liquid absorbed in the container.

Preferably, the locking ring receptacle is designed as a separate component which is connected in a form-fitting manner with the agitator carrier in order to form the connection device.

Alternatively, however, it is also possible that the retaining ring receptacle is formed integrally with the Rührorganträger.

It is particularly preferred if the securing ring receptacle is formed from a material extension formed on the stirring element carrier, which can be produced, for example, by a forming process on the contour of the stirring element carrier.

If the Rührorganträger has at its lower axial end formed as a shaft hub connection means for connecting the Rührorgane, wherein the connection means is positively connected to the Rührorganträger and has for connection to the Rührorganen and training of pivot bearings journals, the Rührorganträger can be designed particularly simple and the Compared with this complex configured connection device can be manufactured separately. The design of the connection device on Rührorganträger can then be done by simply making the positive connection between the connection device and the Rührorganträger.

It is particularly advantageous if the connection device simultaneously serves for connection to the agitator shaft of the agitator.

If the connection of the connecting device with the agitator shaft is formed positively, and this connection can be made without the aid of tools in a simple manner. Preferably, the connection device has a first positive connection device for transmitting the torque of the agitator shaft to the Rührorgane and a second connection means for axially securing the connection device on the agitator shaft, so that not only a secure transmission of torque from the agitator shaft to the Rührstabanordnung by a positive connection device but also the axial securing of a defined axial relative position between agitator shaft and stirring rod arrangement takes place via a positive connection device.

Preferably, the Rührstabanordnung is formed so that it is connected to the lid and can be used together with the lid as a mounting unit in a filling opening of a container and connectable by means of a connection of the lid with the filling opening of the container with the container, so that one in their composite Secured with the container combination of Rührstabanordnung with a container by a simple replacement of the standartmäßig arranged on the filling opening of the container lid can be made against a connected as a mounting unit with the Rührstabanordnung cover.

Preferably, to secure the connection of the lid with the Rührstabanordnung and forming a captive composite of the lid with the Rührstabanordnung the lid provided with a plug in the trough of the lid bung, such that the locking ring in a both sides axially limited ring receiving space designed as a mounting unit Rührstabanordnung is included.

The invention will be explained in more detail with reference to the drawings.

Fig. 1

Eine Längsschnittdarstellung durch einen als Innenbehälter für einen Transport- und Lagerbehälter für Flüssigkeiten verwendbaren Behälter mit einer Rührstabanordnung in Montagekonfiguration;

Fig. 2

eine Teildarstellung eines oberen axialen Endes der in Fig. 1 dargestellten Rührstabanordnung mit eingesetzter Rührwerkswelle;

Fig. 3

die in Fig. 2 dargestellte Rührstabanordnung mit axial angehobener Rührwerkswelle;

Fig. 4

die in Fig. 1 in einem Transportzustand dargestellte Rührstabanordnung in vergrößerter Teilschnittdarstellung;

Fig. 5

eine Explosionsdarstellung einer weiteren Ausführungsform der Rührstabanordnung;

Fig. 6

die in Fig. 5 dargestellte Rührstabanordnung in montiertem Zustand;

Fig. 7

eine alternative Ausgestaltung einer am oberen axialen Ende der Rührstabanordnung ausgebildeten Anschlusseinrichtung;

Fig. 8

das untere axiale Ende der in Fig. 1 dargestellten Rührstabanordnung in vergrößerter Darstellung mit einer Mehrzahl von Rührorganen;

Fig. 9

die in Fig. 8 dargestellte Anordnung von Rührorganen in einer Schnittdarstellung gemäß Schnittlinienverlauf IX-IX;

Fig. 10

die in Fig. 8 dargestellte Rührorgananordnung in einer Betriebskonfiguration;

Fig. 11

ein einzelnes Rührorgan in Draufsicht;

Fig. 12

eine isometrische Darstellung des in Fig. 11 dargestellten Rührorgans in Rückansicht;

Fig. 13

das in Fig. 11 dargestellte Rührorgan in Schnittdarstellung gemäß Schnittlinienverlauf XIII-XIII;

Fig. 14

das in Fig. 11 dargestellte Rührorgan gemäß Schnittlinienverlauf XIV-XIV;

Fig: 15

eine weitere Ausführungsform eines Rührorgans in Seitenansicht;

Fig. 16

das in Fig. 15 dargestellte Rührorgan in isometrischer Darstellung.

Show it:

Fig. 1

A longitudinal sectional view of a usable as an inner container for a transport and storage container for liquids container with a stirring rod assembly in mounting configuration;

Fig. 2

a partial view of an upper axial end of in Fig. 1 shown Rührstabanordnung with inserted agitator shaft;

Fig. 3

in the Fig. 2 shown Rührstabanordnung with axially raised agitator shaft;

Fig. 4

in the Fig. 1 shown in a transport state Rührstabanordnung in an enlarged partial section view;

Fig. 5

an exploded view of another embodiment of the stirring rod assembly;

Fig. 6

in the Fig. 5 shown Rührstabanordnung in the assembled state;

Fig. 7

an alternative embodiment of a connection device formed at the upper axial end of the Rührstabanordnung;

Fig. 8

the lower axial end of in Fig. 1 shown Rührstabanordnung in an enlarged view with a plurality of stirrers;

Fig. 9

in the Fig. 8 illustrated arrangement of stirrers in a sectional view according to section line IX-IX;

Fig. 10

in the Fig. 8 illustrated Stirrer arrangement in an operating configuration;

Fig. 11

a single stirrer in plan view;

Fig. 12

an isometric representation of the in Fig. 11 shown stirrer in rear view;

Fig. 13

this in Fig. 11 illustrated impeller in a sectional view according to section line XIII-XIII;

Fig. 14

that in Fig. 11 shown impeller according to section line XIV-XIV;

Fig. 15

a further embodiment of a stirring element in side view;

Fig. 16

this in Fig. 15 shown impeller in isometric view.

Fig. 1 shows a designed as an inner container for a transport and storage container not shown container 20 for receiving liquids. The container 20 then has a lower bottom wall 21, which serves for support on a pallet base, not shown here, a transport pallet, which is provided with a likewise not shown grid shell which receives the container 20, a front wall 22, two opposing side walls 23, 24, a rear wall 25 and one of the lower bottom wall 21 opposite the upper bottom wall 26.

The upper bottom wall 26 is provided with a filler neck 27 which can be closed with a cover 28 designed here as a screw cap.

The cover 28 forms in the illustrated embodiment, a component of a stirring rod assembly 29, which has as essential components formed as a hollow shaft of electrically conductive plastic in the present case Rührorganträger 30 and a Rührorgananordnung 31, in the case of the present embodiment has three stirrers 32 which are connected by means of a shaft 33 with the Rührorganträger 30.

As in particular from a synopsis of Fig. 1 . 8th and 10 It can be seen between the stirrers 32 and the Rührorganträger 30, here designed as leg springs 34 spring means are provided, which are indirectly connected via the shaft hub 33 to the Rührorganträger 30 in the present case, the shaft hub for positive connection with free leg ends 35 of the torsion springs 34 locking receptacles 36, engage in the formed at the leg ends 35 locking projections 37. The leg springs 34 are integrally formed in the present case, the stirring members 32, wherein in the case of the present embodiment, a cohesive connection of the leg springs 34 is formed on the stirring members 32 characterized in that the stirring members 32 are made together with the torsion springs 34 in an injection molding. In the prestressed state, the torsion springs are S-shaped.

The torsion springs 34 are formed as the stirring members 32 and the shaft hub 33 in accordance with the Rührorganträger 30 of an electrically conductive plastic material.

In the Fig. 1 and 8th the stirring rod assembly is shown in a mounting configuration, in which no rotation of the Rührorganträgers 30 by means of a rotationally connected via the shaft hub 33 with the Rührorganträger 30 agitator shaft 38 takes place, which, as in Fig. 2 is introduced from above into the Rührorganträger 30 and with a in Fig. 5 illustrated, formed at the lower axial end of the agitator shaft 38 shaft journals 39 in the in Fig. 9 shown, formed in the shaft hub 33 shaft journal receptacle 40 is inserted. For axial securing of the torque transmitting connection between the agitator shaft 38 and the shaft hub 33, the shaft journal receptacle 40 is equipped with locking legs 41, which engage in not shown locking receptacles on the shaft journal 39.

How in particular a synopsis of Fig. 9 and 10 shows, the stirring members 32 are formed with bearing ends 42 designed here as a bearing eye for forming a pivot bearing 43 each on a formed on the shaft hub 33 pivot pin 44. The axial securing of the bearing ends 42 on the pivot pin 44 via a positive connection, such that a formed on the bearing ends 42 locking collar 45 after positioning of the stirring members 32 on the pivot pin 44 behind a locking collar 46 of the pivot pin engages.

Like a comparison of Fig. 8 and 10 makes clear in an operating configuration of the stirring rod 29, in which rotation of the Rührorganträgers 30 about a rotation axis 47 due to a rotary drive of the agitator 30 via the shaft hub 33 coupled agitator shaft 38 takes place, the stirring members 32 against the restoring spring force of the torsion springs 34 in a dependent on the rotational speed of the Rührorganträger 30 pivot position transferred with an opposite the axis of rotation 47 formed stirring angle δ, such that Rührorganenden 48 are arranged in a stirring distance r of the rotation axis 47, which is proportional to the stirring angle δ or to the rotational speed of the agitator shaft 38.

How in particular a synopsis of Fig. 9 . 11 and 13 shows, the Rührorganenden 48 are formed with a flow tube, which is provided at its flow inlet cross-section 53, ie its in the stirring of the direction of flow 50 side facing with an annular storage surface 51. The storage area 51 is inclined at a storage surface angle β with respect to the axis of rotation 47 in the direction of flow 50. The flow tube 49 has a tube wall 52, which is designed as a slender cone, such that the flow inlet cross section 53 is inclined to a flow outlet cross section 54 of the flow tube 49 at a tube angle γ. Whereby, as in Fig. 13 shown, in a section perpendicular to a longitudinal axis 55 (FIG. Fig. 11 ) of the bearing end 42 of the stirring member 32 with the Rührorganende 48 connecting web 56 above a tube axis 57, the length L _{1 of} the tube wall 52 in the flow direction 50 is greater than the length L _{2 of} the tube wall 52 below the flow axis 57th

How further Fig. 13 shows, a surface 58 of a base formed by an upper part 59 of the pipe wall 52 concave lifting surface 60 at an angle α to the direction of flow 50 is inclined.

In the FIGS. 15 and 16 is shown in a stirrer 82, which unlike the particular in the FIGS. 13 and 14 shown stirring member 83 has a Stührorganende 83 which is in contrast to the Rührorganende 48 of the stirring member 82 is provided with a storage surface 84 which is composed of a flat part surface 85 formed on the peripheral edge of the storage surface 84 surface segments 86 and 87, wherein the surface segments 86, 87 in the present case against the direction of flow 50 relative to the planar surface portion 85 are each inclined by a surface segment angle β ₁ and β ₂ .

In particular Fig. 16 shows, the surface segments 86, 87 formed as ring segments, wherein in each case an outer edge 88 of the surface segments 86, 87 through the peripheral edge of the storage surface 84 and a connecting edge 89 of the surface segments 86, 87 in the transition to the partial surface 85 tangential to the flow inlet cross section 53 of the flow tube 49 of the Agitator end 83 extends, in the present case, the connection edges 89 parallel to each other.

The two surface segments are flat in the case of the illustrated embodiment and also have in the present case a matching size.

That in the FIGS. 15 and 16 shown stirrer 82 is apart from the Stirrorganende 83, which is the storage area 84 instead of the storage area 51st identical to that in the FIGS. 13 and 14 Stirring member 32 shown formed so that matching trained components of the stirring member 82 have corresponding matching reference numerals.

How in particular a synopsis of Fig. 11 and 14 shows, in a central web portion of the web 56 a buoyancy pocket 61 is formed, such that starting from a substantially straight-line leading edge 62 of the web 56 by the inclination angle ε relative to the axis of rotation 47 and an angle α ₂ relative to the direction of flow 50 inclined buoyancy 63 is formed, which is lowered over obliquely to the lifting surface 63 employees flanks 64, 65 relative to the adjacent web surface 66.

As in particular in the Fig. 4 to 7 1, the agitator carrier 30 of the stirring rod assembly 29 is provided at its upper axial end with connecting devices 67, 68 and 69 shown here in three different embodiments, which receive a securing ring 73 of identical design in differently shaped securing receivers 70, 71, 72. The 4 and 6 show the connection means 67 and 68 in the transport state of the stirring rod assembly 29. As in particular to the in Fig. 5 In a partial sectional view shown connection device 68 is clear, the connection device 68 is used to connect the Rührorganträgers 30 of the stirring rod assembly 29 with the lid 28. For this purpose, in the FIGS. 5 and 6 shown Rührorganträger 30 designed as a sleeve and welded to the upper axial end of the Rührorganträgers 30 fuse holder 71. For assembly, the upper axial end of the Rührorganträgers 30 is guided with the formed thereon securing receptacle 71 from below through a formed in the cover 28 through-hole 74, so subsequently introduced from above the locking ring 73 in a lid for receiving a bung plug 75 formed plug recess 76 and on the fuse holder 71, the one through two Frets 77 has limited receiving groove 78, can be snapped. This results in a relative arrangement between the cover 28 and the connecting device 68, in which the locking ring 73 rests against a in the bottom of the lid 28, the insertion opening limiting support edge 79, so that the locking ring 73 forms an axial stop against the support edge 79.

Now, if the bung stopper 75 is screwed into the stopper recess 76 of the lid 28 from above, a lower edge 80 of the bung stopper 75 together with the support edge 79 of the lid 28 defines a ring receiving space 81, in which the securing ring at best perform a limited or substantially no axial movement can, so that a secure connection between the cover 28 and the Rührorganträger 30 is formed.

In this way, the container 20 can also be combined with a stirring rod assembly 29 independently of the installation of an agitator. If an agitator is to be connected to the stirring bar assembly 29 to agitate a liquid received in the container, it is sufficient to remove the bung stopper 75 from the plug recess 76 of the lid 28 and introduce the agitator shaft 38 from above into the agitator carrier 30 and with this couple. In this case, the agitator can be placed in the usual way on the container 20 and a support structure connected to the outer shell of the container 20 and connected thereto. In this case, a slight axial lifting of the agitator carrier 30 preferably takes place from the container 20, as shown by way of example in FIG Fig. 3 shown to prevent a contact contact between the locking ring 73 and the support edge 79 of the lid 28 during a rotary drive of the Rührorganträgers 30 by means of the agitator shaft 38 and thus to avoid the formation of a potentially contaminating the liquid contact wear.

Claims (8)

1. A transport and storage container for liquids having a lid (28) and a container (20) embodied as an inner container, made of plastic, which has, in an upper bottom wall (26), a filling opening being closable with the help of the lid (28) for filling the container and, at a front side, an outlet neck for connecting an outlet armature as well as a lower bottom wall (21), which couples two side walls (23, 24), one rear wall (25) and one front wall (22) of the container to one another, for supporting the container on a pallet bottom of a transport pallet that is provided with an outer jacket for receiving the container, said lid being provided with a stirring staff arrangement (29) for being connected to a stirring machine that can be combined with the container (20), said stirring staff arrangement having a bar-shaped stirrer element carrier (30) embodied as a hollow shaft for receiving a stirring machine shaft (38), and stirrer elements (32, 82) coupled to the stirrer element carrier so as to be pivotable, in such a manner that the stirrer elements have been pivoted, in a mounting configuration, with a free stirrer element end (48, 83), against an axis of rotation (47) of the stirrer element carrier,
   characterised in that
   a spring means is arranged between the stirrer elements and the stirrer element carrier, in such a manner that the stirrer elements, in an operating configuration, are charged with centrifugal force as a consequence of a rotation of the stirrer element carrier and take a pivoted position that depends on the rotational speed of the stirrer element carrier, a stirring angle 8 being realized with respect to the axis of rotation, the free stirrer element ends being arranged at a stirring distance r from the axis of rotation and the spring force, which increases as the stirring angle grows, opposing the centrifugal force.
2. The transport and storage container according to claim 1,
   characterised in that
   the free stirrer element ends (48, 83) of the stirrer elements (32, 82), in the mounting configuration, are arranged below pivot bearings (43) embodied at the stirrer element carrier (30).
3. The transport and storage container according to claim 1 or 2,
   characterised in that
   the spring means is embodied as a leg spring (34).
4. The transport and storage container according to claim 3,
   characterised in that
   one leg of the leg spring (34) is supported above the pivot bearing (43) at the stirrer element carrier (30) and in that the other leg of the leg spring is supported at the stirrer element (32, 82).
5. The transport and storage container according to claim 1 or 2,
   characterised in that
   the spring means is embodied as a coil spring.
6. The transport and storage container according to one of the previous claims,
   characterised in that
   the spring means is embodied as an electrical link between the stirrer element carrier (30) and the stirrer element (32, 82).
7. The transport and storage container according to one of the previous claims,
   characterised in that
   the spring means is made of an electrically conductive plastic.
8. The transport and storage container according to one of the previous claims,
   characterised in that
   the spring means is formed from a material extension embodied at the stirrer element (32, 82).

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