DE102013207021A1 - Adapter for an output device - Google Patents

Abstract

Adapter (100) for mounting on a dispensing device (400) for dispensing a compound via a combination nozzle consisting of a primary nozzle (200) and a secondary nozzle (300) by means of a gaseous medium, having a proximal side (101) with a filling opening (102) and a distal side (103) with a dispensing opening (104), a channel (105) being provided for communication between the filling opening (103) and the dispensing opening (104), a supply opening (108) being provided through which the gaseous medium is provided can be introduced into the channel (105), a recess (125) being provided in the wall (107) delimiting the channel (105).

Description

The invention relates to an adapter which is provided for mounting on an output device. In this case, the dispensing device is used for dispensing, in particular by means of spray application of a mass in a storage container, in particular a pasty material from a nozzle.

Such dispensers such as pneumatic guns are well known in the art. For example, the DE 20 2005 008 831 U1 a compressed air gun for pressing or spraying pasty to viscous material with an outer housing on at least one side with a pressure-tight receiving space for a cartridge containing the material, wherein the cartridge to be used at a front end side has an outlet tip and at the opposite end a cartridge piston. A disadvantage of such compressed air guns is that the user is limited to a certain type of order of the mass. So can the in the DE 20 2005 008 831 U1 disclosed compressed air gun only for spraying said masses use.

In contrast, the disclosed DE 9011965 U1 a compressed air gun for applying pasty masses either by spraying or spraying the mass. The compressed air gun has a housing, with a primary pressure chamber, in which a replaceable reservoir for the mass is housed, and a pneumatically connected in parallel secondary pressure chamber. Furthermore, the Duckluftpistole a combination nozzle consisting of a material outlet and an air nozzle, both of which are connected in parallel pneumatically. With this compressed air gun, the mass can be injected only via the material outlet nozzle without compressed air outlet. Alternatively, the mass can also be sprayed with compressed air outlet through the air nozzle.

The DE 4137801 A1 shows a similar compressed air gun for applying a pasty mass from a disposable package, with a material outlet, with a primary air connection, with a secondary air connection and connected to the secondary air connection or connectable, the material outlet nozzle associated secondary air nozzle. Again, the mass can be injected on the one hand via the material outlet nozzle without compressed air outlet. Alternatively, the mass can also be sprayed with compressed air outlet via the secondary air nozzle.

A disadvantage of these compressed air guns is the complex design and the high purchase price.

The object of the invention is therefore to provide a way to use an applicator gun for spraying a mass located in a reservoir.

This object is solved by the features of claim 1.

Advantageous developments of the invention can be found in the subclaims.

The basic idea of the invention is the use of an adapter for mounting on an output device for dispensing a mass via a combination nozzle consisting of a primary nozzle and a secondary nozzle by means of a gaseous medium, comprising a proximal side with a filling opening and a distal side with a dispensing opening, wherein a channel is intended for communication of filling opening and discharge opening, wherein a preferably separate from the filling opening addition port is preferably provided in a channel-limiting jacket-shaped wall through which the gaseous medium in the channel can be introduced, wherein a recess provided in the channel bounding the wall is, via which a flow possibility for the introduced via the feed opening into the channel gaseous medium in the direction of the distal side is possible and which preferably at least from the feed opening in the direction of the distal Sei extends such that, in particular when assembled combination nozzle at least over the recess a communication option can be provided from the addition port to the discharge opening for the gaseous medium.

The adapter allows use of an already existing dispensing device, in particular an output device, which is provided only for pressing or spraying of masses, for dispensing a mass using a gaseous medium by spraying. Here, for example, an initially mentioned and in the DE 9011965 U1 or the DE 4137801 A1 used in detail combination nozzle are used.

In this case, the adapter is designed such that on the one hand, an output of the mass can be injected through primary nozzle as a material outlet nozzle. This is preferably done by means of a gaseous medium, in particular compressed air. Preferably, for this purpose, the channel of the adapter is designed such that the primary nozzle passes through the channel and projects out of the dispensing opening. Furthermore, however, the use of the feed opening, which is preferably separate from the fill opening, creates a possibility of introducing a gaseous medium into the channel, by means of which it is supplied with a spray the mass can be made possible by means of exit via the secondary nozzle.

According to the invention, therefore, a recess is provided in the wall bounding the channel. A recess may in particular be understood as meaning a space in the sense of a free space in the wall, which is defined by regions or parts of the wall which project further into or extend into the channel. Under a recess can be understood in particular also an at least regional expansion of the channel over its entire circumference or only part of the circumference in each case with respect to at least one or more at least partially narrower shaped sections of the channel.

The recess preferably extends at least from the filling opening to the distal side such that a communication or flow possibility between the filling opening and the distal side, ie in particular the dispensing opening for the gaseous medium supplied via the filling opening, can be provided via the recess. In particular, a flow possibility for the gaseous medium from the filling opening in the direction of the distal side and / or discharge opening can thus be provided with the mounted combination nozzle at least via the recess. The recess may in particular have a channel-shaped shape extending channel-shaped in the wall of the filling opening in the direction of the distal side. In addition, it is possible to provide projecting spacer means from the wall into the channel, which define a space for the gaseous medium in the sense of a recess.

In particular pasty masses are conceivable as masses to be dispensed, as is used as a sealant or adhesive in vehicle, ship and aircraft construction, or also in repair and maintenance operations in this respect. For example, the compound may be adhesives and / or sealants known in the aftermarket and / or series production of the motor vehicle sector and / or sound and / or vibration damping materials, which may be viscous, highly viscose or even pasty. However, a paste-like but also thin-bodied material may in particular also be a sealant processed in the construction industry, an adhesive, a lubricating grease and / or a surface coating. These masses are usually contained in storage containers. In particular, known cartridges are conceivable for use as containers, which may consist, for example, of a plastic material, of aluminum or else of a composite material. Most of the cartridges have a cylindrical body, wherein on one side of a movable piston for squeezing the adhesive contained in the cartridge and / or sealant is provided and on the opposite side of an outlet opening for dispensing the viscous material. The piston is displaced by applying a force within the cartridge so that the viscous material can be dispensed. Of course, the term "container" also refers to the use of suitable containers known to the person skilled in the art, in particular the use of known film and / or tubular bags.

In particular, known dispensing or dispensing guns are suitable as dispensing devices used. As the output device preferably compressed air guns initially described are used. In these pneumatically acting pistols, the mass to be dispensed can be dispensed by means of a pneumatic nozzle via a nozzle from the reservoir, which in particular a power-saving example, a pasty mass can be made possible for the user. In particular, the use of a special compressed air gun for ejecting viscous to low-viscosity material, as in the DE 20 2005 008 831 U1 is described. For the aspects concerning the pneumatic gun, reference may be made to the cited document, the disclosure of which supplements the disclosure of the present patent application in this respect. However, it is also conceivable to use known purely mechanically acting guns, in which case a gaseous medium is to be provided only for connection to the feed opening of the adapter. These guns are suitable, for example, for use in areas where no compressed air is available.

Preferably, the adapter has on the proximal side connecting means for connecting the adapter to the output device. In particular, here a mechanical connecting means is conceivable, which allows a releasable attachment of the adapter to an output device. Thus, for example, already existing dispensing devices can be retrofitted by means of the adapter to allow a spray application of a mass. As a rule, known dispensing devices have an opening on the discharge side, through which protrudes a dispensing nozzle or dispensing tip for the mass to be dispensed. As a rule, the dispensing nozzles used are disposable products with uniform dimensions. In addition, at the output side, the dispensers are typically provided with a storage area to provide support for the storage bin or dispensing nozzle as the mass dispenses through the dispensing nozzle. Accordingly, the adapter on the proximal side is preferably designed such that on the one hand protrudes through said opening in particular a particular retrofitted output device, on the other hand, however, also has an abutment area, in particular in the form of a protruding collar to ensure Abstützmöglichkeit of the adapter to said storage area of the dispensing gun.

In an advantageous embodiment of the invention, the wall in the channel projecting or projecting spacing means which can define the recess for the gaseous medium. The spacing means may, for example, prevent a blockage of the recess from a part of a combination nozzle, in particular the primary nozzle, if designed appropriately. The spacer means may be protruding from the wall into the channel protrusions or strips, the latter may extend for example linearly over the wall, in particular from the proximal towards the distal side. In addition, it is possible to use the wall itself as a spacer, by configuring the wall with a smaller wall thickness in the region of the recess and, in particular, selecting a larger wall thickness in the region delimiting the recess. Thus, it is possible in a variant that the recess extends channel-shaped within the wall itself.

In an advantageous development of the channel is at least partially limited by a wall, are provided at the channel facing the inside guide elements. On the one hand, these can protrude into the channel at least partially. On the other hand, these can also be formed as depressions in the wall and thus extend in particular groove-shaped over the wall or a region of the wall. By suitable design of the guide elements, for example, an introduction of the primary nozzle into the channel can thus be facilitated. In particular for this purpose it may be advantageous, for example, for the guide elements to extend at least in regions in the direction of a longitudinal axis of the adapter on the inside of the wall. As a rule, the primary nozzle is to be introduced into the channel through the filling opening in the direction of the dispensing opening, so that, in particular, tilting can be avoided by such a design of said elements and reliable placement of the primary nozzle at the desired location can be ensured. These guide elements can, in a suitable embodiment, in particular in a described projecting into the channel shape, also ensure, for example, a gap between the wall and above described extending through the channel primary nozzle to the supplied via the feed opening gaseous medium space for transport within the channel provide. In this case, the guide means can be used simultaneously as a spacer, which can define above described recess for the gaseous medium.

In order to ensure that the gaseous medium introduced via the feed opening actually reaches the secondary air nozzle and is used as intended, the adapter has, in an advantageous development, a sealing means on the proximal side, which permits escape of the gaseous medium from the filling opening in the direction of the dispensing device in derogation. In this case, the sealing means can be designed as a section projecting on the proximal side of the channel, which preferably forms a sealing surface in the form of a bearing surface for preferably the primary nozzle and / or an output device and / or a reservoir. The use of a sealant acting with a primary nozzle may prove to be advantageous since the primary nozzles used are generally disposable products with uniform dimensions. Furthermore, said primary nozzles are usually equipped with protruding collar for support or conical sections. Therefore, such a sealant of the adapter may preferably be designed to provide a sealing effect with a specific primary nozzle suitable for dispensing the mass. For example, the sealing means may be formed as a radially projecting, running around the channel and standing in communication with the wall of the channel collar or ring, which provides a support possibility for preferably the primary nozzle. In another design, the sealing means may be conical, with the larger diameter of the cone preferably facing in the proximal direction and the diameter of the cone in the distal direction preferably decreasing until reaching the diameter of the channel and then merging into the channel. Here, a sealing effect can be achieved for example with a conical section of a primary nozzle described above. An at least partially conical design can also prove to be advantageous to compensate for tolerances, for example, in the primary nozzle and the adapter itself and in any case to allow a seal. Preferably, the sealant is at least partially planar design to allow possible a surface seal. Furthermore, it has proven to be advantageous in particular when using rotationally symmetrical primary nozzles, preferably to use a longitudinal axis of the adapter rotationally symmetrical sealant. In an alternative embodiment, the use of a acting with a reservoir sealant may prove advantageous. For example, in the use of commercially available cartridges as a reservoir can be standardized and / or unified Dimensions of a reservoir are recourse, which are generally cylindrical, so that the adapter, in particular for the front side of the reservoir, for example, has a bearing in the direction of the proximal side bearing surface as a sealant. The same can be provided in particular for the output device itself.

Alternatively or additionally, for this first sealing means on the proximal side, it can also prove to be advantageous, a second sealing means is provided on the distal side of the adapter. The second sealing means preferably serves to provide a seal between the adapter and the secondary nozzle to ensure that the gaseous medium introduced via the feed opening actually reaches the nozzle opening of the secondary air nozzle and is used as intended and that leakage of the gaseous medium between adapter and secondary nozzle is prevented ,

In this case, the sealing means can be designed as a section projecting on the distal side of the channel, which preferably forms a sealing surface in the form of a bearing surface for preferably the secondary nozzle. As a rule, the secondary nozzles used are disposable products with uniform dimensions. In addition, said secondary nozzles are usually equipped with protruding collar for support or conical sections. Therefore, the sealant of the adapter is preferably designed to provide a sealing effect with a specific secondary nozzle suitable for dispensing the mass. For example, the sealing means may be formed as a radially projecting collar or ring extending around the channel and communicating with the wall of the channel, which provides a support for preferably the secondary nozzle. In another design, the sealing means may be conical, wherein the larger diameter of the cone preferably in the distal direction and the diameter of the cone in the proximal direction preferably decreases until reaching the diameter of the channel and then passes, for example in the channel. Here, a sealing effect can be achieved for example with a conical section of a secondary nozzle described above. An at least partially conical design can also prove to be advantageous to compensate for tolerances, for example, in the secondary nozzle and the adapter itself and in any case to allow a seal. Preferably, the sealant is at least partially planar design to allow possible a surface seal. Furthermore, it has proven to be advantageous, in particular when using rotationally symmetrical secondary nozzles, to use a second sealing means which is preferably rotationally symmetrical about a longitudinal axis of the adapter.

In a preferred embodiment, as detailed in the preferred embodiments described above, it is advantageous that the first sealing means and / or the second sealing means are designed such that sealing with the primary nozzle by the first sealant on the one hand and with the secondary nozzle through the second sealant on the other hand is possible. Preferably, the sealing means of the adapter to the respective nozzles corresponding sealing surfaces or sealing areas, which may be designed as described above, in particular flat and / or conical.

It has also been found to be advantageous that the first sealing means has a preferably at least partially facing in the direction of the proximal side sealing surface, in particular for the primary nozzle, which is preferably designed to extend annularly and radially spaced from the longitudinal axis of the adapter and / or preferably conical or is equipped with conical sections, in particular in order to increase the sealing effect with the primary nozzle and / or to compensate for material tolerances.

Alternatively or additionally, it has also been found to be advantageous that the second sealing means has at least partially in the direction of the distal side facing sealing surface, in particular for the secondary nozzle, which is preferably designed to extend annularly and radially spaced from the longitudinal axis of the adapter and / or preferably is conical or is equipped with conical sections, in particular in order to increase the sealing effect with the secondary nozzle and / or to compensate for material tolerances.

Another basic idea of the present invention is to provide an assembly consisting of an above-described adapter having in particular a sealing means described above and a channel and feed opening described above, via which a gaseous medium in the channel can be introduced, and a combination nozzle having in particular a primary nozzle and a secondary nozzle, wherein a recess is provided in the wall delimiting the channel, which preferably extends at least from the filling opening to the distal side such that, in particular when the primary nozzle is mounted, at least over the recess a flow possibility for the gaseous medium from the filling opening in the direction of the distal side and / or dispensing opening can be provided. The recess may in particular have a channel-shaped which is channel-shaped in the Wall from the filling opening in the direction of the distal side. All of the above-described features, configurations and preferred embodiments of the individual components of said assembly can be used here.

In an advantageous development, the adapter has a sealing means described above in order to allow a seal between the adapter and the primary nozzle and / or dispenser and / or reservoir, to escape the gaseous medium in the connection region between the primary nozzle and adapter and / or from the filling opening in Direction of an output device to avoid. Alternatively or additionally, the use of an adapter having a second sealant described above may prove useful to allow a seal between the adapter and the secondary nozzle. All above-described features, configurations and preferred embodiments of the individual components of said assembly, in particular with regard to the sealing variants can be used here.

Another basic idea of the invention is the use of an output unit consisting of an output device, in particular as described above, with an adapter attached thereto and described in detail above, in particular having a channel described above and an addition opening, via which a gaseous medium can be introduced into the channel , And a combination nozzle having in particular a primary nozzle and a secondary nozzle, wherein a recess in the channel delimiting wall is provided, which preferably extends at least from the filling opening to the distal side such that, in particular when mounted primary nozzle at least over the recess a flow possibility for the gaseous medium from the filling opening in the direction of the distal side and / or discharge opening can be provided. The recess may in particular have a channel-shaped shape extending channel-shaped in the wall of the filling opening in the direction of the distal side. All of the above-described features, configurations and preferred embodiments of the individual components of said output unit can be used here.

In an advantageous development, the adapter has a sealing means described above in order to allow a seal between the adapter and the primary nozzle and / or dispenser and / or reservoir, to escape the gaseous medium in the connection region between the primary nozzle and adapter and / or from the filling opening in Direction of an output device to avoid. Alternatively or additionally, the use of an adapter having a second sealant described above may prove useful to allow a seal between the adapter and the secondary nozzle. All above-described features, configurations and preferred embodiments of the individual components of said assembly, in particular with regard to the sealing variants can be used here.

The adapter according to the invention, the assembly according to the invention consisting of adapter and primary nozzle and secondary nozzle, as well as the output unit according to the invention comprising an adapter mentioned above, will be described in detail by way of example with reference to a preferred exemplary embodiment.

It shows

1 a partial perspective view of an output unit according to the invention comprising an adapter according to the invention,

2 a sectional view in the longitudinal direction through the adapter 1 .

3 a sectional view of the output unit 1 .

4 a sectional view of a variant of the output unit 1 .

5 a front view of the adapter 2 .

6 a front view of a variant of the adapter 2 .

7 a sectional view in the longitudinal direction by a further variant of the adapter 2 ,

1 shows a partial perspective view of an output unit according to the invention comprising an output device 400 and one by means of an adapter 100 with the output device 400 connected combination nozzle consisting of a secondary nozzle 300 and a primary nozzle not visible in the figure. This may in particular be a pneumatically actuated dispensing device 400 act like they are in the DE 20 2005 008 831 U1 is described in detail. It is essential that the output of the material by means of a gaseous medium, in particular by means of compressed air from a compressed air network or from another compressed air source. Of course, of course, purely mechanical-acting output devices 400 such as in the DE 10 2008 028 246 A1 described used. The adapter 100 allows use an existing output device 400 for dispensing a mass from, for example, one in the receiving unit 401 tubular bag using a gaseous medium by spraying. Here, for example, an initially mentioned and in the DE 9011965 U1 or the DE 4137801 A1 described in detail combination nozzle are used, comprising a primary nozzle 200 and the above-mentioned secondary nozzle 300 , The output device 400 has a hollow cylindrical receiving unit 401 for receiving a tubular bag containing the material to be dispensed. At the front, the receiving unit 401 a not shown external thread, with which a corresponding internal thread having cap 402 with the recording unit 401 can be connected. The cap 402 has a central opening 403 on, would actually extend to the output of the material from the tubular bag, an application nozzle, not shown. The application nozzle would be with disassembled cap 402 from the rear area of the cap 402 through the opening 403 pushed and supported on the opening 403 bordering region have a circumferential collar.

To the output device shown 400 to be able to use for a spray application of the material, instead of the above-mentioned application nozzle said combination nozzle consisting of the outer secondary nozzle 300 and the concealed primary nozzle provided via the adapter 100 with the output device 400 connected is. The adapter 100 This is done with disassembled cap 402 from the rear area of the cap 402 through her mouth 403 pushed and has to support the opening 403 limiting edge area of the cap 402 a not shown, circumferential collar. This is how the adapter extends 100 through the opening 403 the cap 402 , On the opposite side is the secondary nozzle 300 mounted, which in particular as an assembly aid a circumferential collar 302 may have and on the distal side of a dispensing opening 301 having. To enable a spray application of the material, the adapter points 100 also an addendum 118 on, on the over a connecting piece 130 a connection pipe 129 is mounted, in which a non-illustrated supply line for a gaseous medium, in this case opens compressed air.

2 shows a sectional view in the longitudinal direction through the adapter 100 out 1 , As described above, the adapter 100 for mounting on the addressed output device 400 intended. The adapter has a proximal side 101 with a filling opening 102 and a distal side 103 with a dispensing opening 104 on, with a channel 105 for a communication of filling opening 102 and dispensing opening 103 is provided. The adapter has a longitudinal axis 109 on, extending axially through the channel 105 extends. At the proximal side 101 In addition, a circumferential and radially projecting collar is provided, which has a support region pointing in the direction of the distal side 112 having. This collar serves to support the adapter 100 at the above described, the opening 403 limiting edge region or a corresponding contact area of the cap 402 , Further, on the outer edge of the collar 110 one circumferentially towards the proximal side 101 protruding leading edge 111 provided with a guide and a securing means for one in the receiving unit 401 the output device 400 located container, in particular a cartridge to serve. The inner wall of the collar 110 is doing as one towards the proximal side 103 facing sealing surface 116 configured and provided as the first sealing means for the cartridge, not shown, to escape the compressed air from the filling opening 102 in the direction of the dispenser 400 to avoid. So can this sealing surface 116 serve as a support or sealing area for the cartridge, not shown, which in the assembled state of the adapter 100 circumferentially on the sealing surface 116 is applied.

Towards the distal side 103 joins the collar 110 a rejuvenation 113 , which finally in an extension 106 including one the channel 105 enclosing, coat-shaped wall 107 , flows. The adapter 100 has thus in the middle range, thus in the area of the wall 107 a smaller outer diameter than in the region of the proximal side 101 , In the field of rejuvenation 113 points the adapter 100 also a circumferential and projecting centering extension 114 on, with which the adapter 100 exactly in the predetermined position in the opening 403 the cap 402 can be positioned.

In the middle area, so on the extension 106 , is in the wall 107 one from the filling hole 102 separate feed opening 108 provided, via the compressed air in the channel 105 can be introduced. This is on the wall 107 in the area of the addition opening 108 the addition phrase 118 molded, the one coupling section 119 for mounting the connection pipe described above 129 with the connecting piece 130 having. From the filling opening 102 in the direction of the distal side, the inner diameter of the adapter tapers 100 in the field of rejuvenation 113 and flows into the canal 105 , The inner wall of the rejuvenation 113 may alternatively or additionally to the described sealing surface 116 one towards the proximal side 103 facing conical sealing surface 134 Alternatively or additionally, as a first sealing means for a not shown but correspondingly designed primary nozzle represent to escape the compressed air from the fill opening 102 in the direction of the dispenser 400 to avoid. So can this sealing surface 134 serve as a support or sealing area for the primary nozzle, not shown, which in the assembled state of the adapter 100 and at the material output from the output device 400 through the filling opening 102 , the channel 105 and through the dispensing opening 104 extends. By the rejuvenation 113 can be a sealing surface 134 be provided, which provides a sealing possibility for different configurations of the primary nozzle.

The channel 105 is designed substantially cylindrical, for manufacturing reasons, a slight taper of the channel 105 towards the distal side 103 has proved to be useful. In addition, a taper can affect the flow over the feed opening 108 lead introduced compressed air, which can bring more benefits. The the channel 105 with a channel inside wall 128 bounding wall 107 also points to the channel inner wall 128 guide 117 as guide elements, located on the inside of the wall 107 in the axial direction with respect to the longitudinal axis 109 from the proximal side 101 towards the distal side 103 extend. The guide grooves 117 serve a simple installation and the leadership of a primary nozzle, which may have in particular projecting guide ribs for this purpose. Furthermore, the guide grooves 117 when using a primary nozzle without said guide ribs to a flow influencing the over the addition opening 108 lead introduced compressed air, which can bring more benefits. The channel 105 is designed such that it is substantially filled by the primary nozzle, so that via the addition port 108 supplied compressed air within the channel 105 in the space between the inner wall of the wall 107 and primary nozzle can flow. In particular in order to be able to use as many primary nozzles as possible and to provide particularly good flow characteristics for the supplied compressed air has the adapter 100 also a recess 125 in the channel 105 bounding wall 107 on, which is at least from the feed opening 108 to the distal side 103 extends such that, in particular when mounted primary nozzle at least over the recess 125 a communication option from the addition port 108 with the discharge opening 104 can be provided for the compressed air. In particular, the recess acts 125 thereby as a space for the flow and distribution of the supplied compressed air, which can be at least provided, for example, a primary nozzle with too large outer diameter should be used, which is the channel 105 For example, essentially fills. To the recess 125 to define and allow a spacing of a primary nozzle, has the wall 107 in the channel 105 projecting spacing means, wherein the recess 125 is formed in the present case as a free space in the wall, so that the spacer means here by a the recess 125 defining and limiting distance range 126 is formed.

To the extension 106 closes towards the distal side 103 a conical section 122 on, on the one hand, an increase in the outer diameter takes place by the conical shape. On the other hand, the inner diameter increases in the region of an expansion 120 of the canal 105 which are within the conical section 122 lies. The transition from channel 105 for widening takes place here by means of a paragraph 115 , which is stepped formed, therefore, accompanied by a sudden increase in the diameter of the interior. Optionally, a tear-off edge or other means may be provided to pass through the feed opening 108 to inject introduced compressed air or otherwise influence flow. The inner wall of the widening 120 also places one towards the distal side 103 facing second sealing surface 121 as a second sealant to provide a seal between adapters 100 and provide secondary nozzle so that the via the addition port 108 introduced compressed air actually the at the distal side 103 provided nozzle opening of the secondary air nozzle is reached and used as intended and the compressed air is not between the adapter 100 and secondary nozzle escapes. The second sealing surface 121 So serves as a support or sealing area for the secondary nozzle, not shown, which is in the assembled state of the adapter 100 and when dispensing material from the direction of the distal side 103 through the delivery opening 104 extends. By the expansion 120 can be a second sealing surface 121 be provided, which provides a sealing possibility for different configurations of the secondary nozzle. At the same time, it can also be used in the direction of the distal side 103 pointing end face of the heel 115 alternatively or additionally be used as a sealing surface for a secondary nozzle.

The conical section 122 flows into a mounting section 123 , which serves to assemble the secondary nozzle. The mounting section 123 has an internal thread in the interior 124 to be able to mount a secondary nozzle with a corresponding external thread. Of course, other known to those skilled assembly aids and mounting options are conceivable. In particular, a bayonet attachment may prove useful. For easy installation of the adapter 100 to ensure is the outer diameter of the support area 112 on the proximal side 101 greater than the outer diameter of the mounting area 123 on the distal side 103 , which in turn is a larger one Outer diameter than the extension 106 in the middle part of the adapter 100 ,

3 shows a sectional view of the output unit 1 , where the adapter 100 as described above for mounting on a dispensing device, not shown 400 through the opening 403 the cap 402 the output device 400 was pushed. In the illustrated embodiment, a seal of the adapter takes place 100 towards the proximal side 103 as described above by the use of a first sealant in the form of the first sealing surface 116 in combination with the cartridge containing the material to be dispensed, for the escape of the gaseous medium from the filling opening 102 in the direction of the dispenser 400 to avoid. The cartouche is in the 3 not shown for clarity. Further, a primary nozzle 200 from the direction of the proximal side 101 through the filling opening 102 of the adapter 100 through its channel 105 and thus through the opening 403 towards the distal side 103 pushed so that the one discharge opening 201 for the material having tip of the primary nozzle 200 through the delivery opening 104 of the adapter 100 protrudes. The primary nozzle 200 has at least partially at its inside the channel 105 arranged part of a leadership area 204 on where the primary nozzle 200 me radially from an outer wall 202 the primary nozzle 200 projecting guide ribs is equipped, for example, to the assembly of the primary nozzle 200 to facilitate. The guide ribs may in particular be designed such that they are in the guide grooves 117 of the adapter 100 intervention. Alternatively, the guide ribs may be provided to a defined distance from the outer wall 202 to the canal inner wall 128 the wall 107 ensure a flow opportunity for through the addition port 108 To allow introduced compressed air. The majority of the introduced compressed air flows in this area anyway through the above-described recess 125 towards the distal side 103 ,

recess

Further, over the discharge opening 104 the secondary nozzle 300 been mounted. For this purpose, a protruding an external thread 305 having area through the discharge opening 104 been introduced, the external thread 305 with the internal thread 124 of the mounting section 123 has been engaged. In particular, to allow easy mounting is the secondary nozzle 300 with the surrounding collar 302 fitted. The screwing in the external thread 305 in the internal thread 124 takes place in the present case until a projecting sealing area 306 the secondary nozzle 300 to the second sealing surface 121 presses or hugs, so that here a second seal can be provided.

The order of the material, for example by spraying then takes place in a known manner. Through the primary nozzle 200 can the material by means of the output device 400 in the direction of the discharge opening 201 be pressed. About the addition phrase 118 is by means of the connecting piece 130 in the present case, a connection hose 131 connected via the compressed air via the addition port 108 in the channel 105 can be introduced. The compressed air passes in particular via above-described recess 125 whether the seal on the first sealing surface 116 only in the direction of the distal side 103 and there whether the seal on the second sealing surface 121 only in a gap 304 between the outer wall 302 the primary nozzle 200 and the inner wall 303 the primary nozzle 200 on the distal side 103 surrounding secondary nozzle 300 , About the dispensing opening 301 the secondary nozzle 300 then the output of the material-air mixture by means of a spray process. Accordingly, the recess represents 125 a communication option for the over the addition opening 108 introduced compressed air between the addition port 108 and the gap 304 and thus also the discharge opening 301 ready. Therefore, the adapter is particularly suitable for use with different primary nozzles 200 , The recess 125 For example, it may serve as a space for the flow and distribution of the supplied compressed air, which can at least be provided, should, for example, be a primary nozzle 200 be used with too large outer diameter, which is the channel 105 For example, essentially fills.

In summary, it can be stated that 3 in particular an assembly consisting of adapters 100 , a primary nozzle 200 and a secondary nozzle 300 disclosed, in particular for retrofitting an existing dispensing device, for example via a cap shown 402 can be used. This shows the adapter 100 the recess described above 125 in the channel 105 bounding wall 107 on. Next is also a seal between the first sealing surface 116 of the adapter 100 and the primary nozzle 200 provided to allow escape of the compressed air from the filling opening 102 in the direction of the dispenser 400 to avoid.

4 shows a sectional view of an alternative output unit 1 , The output unit shown here differs here only in terms of the design of the primary nozzle 200 , The same points here on the proximal side 103 a conical section 203 on, which in the mounted state to the conical sealing surface 134 of the adapter 100 presses or hugs, so here alternatively or additionally, a seal on the proximal side 101 can be provided to escape the gaseous medium from the filling opening 102 in the direction of the dispenser 400 to avoid.

5 shows a front view of the adapter 100 out 2 , It can be seen here that the channel 105 is designed substantially cylindrical. The the channel 105 bounding wall 107 points to the channel inner wall 128 guide 117 as guide elements, located on the inside of the wall 107 in the axial direction with respect to the longitudinal axis 109 extend. The guide grooves 117 can serve a simple assembly and the leadership of a primary nozzle, which may have this particular projecting guide ribs. Furthermore, the guide grooves 117 when using a primary nozzle without said guide ribs to a flow influencing the over the addition opening 108 lead introduced compressed air, which can bring more benefits. At the top, the adapter 100 further, with the addition port 108 communicating recess 125 in the channel 105 bounding wall 107 on which is different from the addition opening 108 to the distal side 103 extends. To the recess 125 to define and allow a spacing of a primary nozzle, has the wall 107 in the channel 105 projecting spacing means, wherein the recess 125 in the present case as free space in the wall 107 is formed, so that the spacer means here by a the recess 125 defining and limiting distance range 126 is formed. In an alternative embodiment, it is also possible that the recess 125 the in 4 shown variant of the adapter 100 not completely over the entire channel 105 from the proximal side 101 to the distal side 103 extends. Rather, it may prove advantageous if the recess 125 only from the area or directly from the feed opening 108 starting towards the distal side 103 over the canal 105 extends.

6 shows a front view of a variant of the adapter 100 out 2 , Unlike the in 4 shown variant guide elements are provided here, of the channel inner wall 128 in the form of itself in the axial direction with respect to the longitudinal axis 109 extending guide rails 127 protrude. The guide rails 127 can here also serve a simple assembly and the leadership of a primary nozzle, which may have in particular corresponding guide grooves for this purpose. Furthermore, the guide rails 127 when using a primary nozzle without said guide grooves to a flow influencing the over the addition opening 108 lead introduced compressed air, which can bring more benefits. At the top, the adapter 100 further, with the addition port 108 communicating recess 125 on which is different from the addition opening 108 to the distal side 103 extends. To the recess 125 To define and allow a spacing of a primary nozzle, come as from the wall 107 in the channel 105 protruding spacers some of the guide rails 127 serve.

7 shows a sectional view in the longitudinal direction through a further variant of the adapter 100 out 2 , The adapter shown here has substantially the same features as in FIG 2 shown adapter, so that the corresponding parts description and designs for the adapter shown here 100 apply. To the room for through the addition opening 108 supplied compressed air in the channel 105 while increasing flexibility for deployable primary nozzles, has the adapter shown 100 in the wall 107 a step 132 on which a sudden increase in the diameter of the channel 105 allows and a free space 133 creates. The step is in the channel inner wall 128 circumferentially about the longitudinal axis 109 provided and is in the immediate vicinity in the direction of the proximal side facing boundary edge of the feed opening 108 in the wall 107 arranged. Towards the distal side 103 is the free space 133 open design. Accordingly, the introduced compressed air from the addition port 108 directly into the open space 133 and towards the distal side 103 even if a primary nozzle flows into the channel 105 should have been introduced, the same in the area before the stage 132 completely filled out. In the embodiment shown, the recess 125 Part of the open space 133 or rather corresponds to the recess 125 the open space 133 , That the recess 125 Defining spacer means in the present case, the channel inner wall 128 of the canal 105 in front of the stage 132 and especially those in the field of level 132 provided edge of the channel inner wall 128 ,

LIST OF REFERENCE NUMBERS

100

 adapter

101

 Proximal page

102

 fill opening

103

 distal side

104

 discharge opening

105

 channel

106

 extension

107

 wall

108

 feed opening

109

 longitudinal axis

110

 collar

111

 leading edge

112

 support area

113

 rejuvenation

114

 Zentrierungsabsatz

115

 paragraph

116

 First sealing surface

117

 guide

118

 Adding extension

119

 coupling section

120

 widening

121

 Second sealing surface

122

 Conical section

123

 mounting portion

124

 inner thread

125

 recess

126

 distance range

127

 spacer bar

128

 Channel inner wall

129

 connecting pipe

130

 spigot

131

 connecting hose

132

 step

133

 free space

134

 Conical sealing surface

200

 primary nozzle

201

 discharge opening

202

 outer wall

203

 Conical section

204

 guide region

300

 secondary nozzle

301

 discharge opening

302

 collar

303

 inner wall

304

 gap

305

 external thread

306

 sealing area

400

 output device

401

 recording unit

402

 cap

403

 cap opening

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 202005008831 U1 [0002, 0002, 0015, 0038]
• DE 9011965 U1 [0003, 0010, 0038]
• DE 4137801 A1 [0004, 0010, 0038]
• DE 102008028246 A1 [0038]

Claims (10)

Adapter ( 100 ) for mounting on an output device ( 400 ) for dispensing a mass via a combination nozzle consisting of a primary nozzle ( 200 ) and a secondary nozzle ( 300 ) by means of a gaseous medium, having a proximal side ( 101 ) with a filling opening ( 102 ) and a distal side ( 103 ) with a discharge opening ( 104 ), whereby a channel ( 105 ) for communication of filling opening ( 103 ) and discharge opening ( 104 ) is provided, wherein an addition opening ( 108 ) is provided, via which the gaseous medium in the channel ( 105 ) is insertable, wherein a recess ( 125 ) in the channel ( 105 ) limiting wall is provided. Adapter according to claim 1, characterized in that on the wall ( 107 ) into the channel ( 105 ) above spacer means ( 126 . 127 ) are provided. Adapter ( 100 ) according to one of claims 1 or 2, characterized in that the channel ( 105 ) at least partially from a wall ( 107 ) is limited, on the inside guide elements ( 117 . 127 ) are provided. Adapter ( 100 ) according to claim 3, characterized in that the spacing and / or guide elements ( 117 . 127 ) at least in regions in the direction of a longitudinal axis ( 109 ) of the adapter ( 100 ) on the inside of the wall ( 107 ). Adapter ( 100 ) according to one of the preceding claims, characterized in that a sealing agent ( 116 ) on the proximal side ( 101 ) is provided to escape the gaseous medium from the filling opening ( 102 ) in the direction of the dispenser ( 400 ) and / or that another sealant ( 121 ) on the distal side ( 103 ) is provided Adapter ( 100 ) according to claim 5, characterized in that the first sealant ( 116 ) and / or the second sealant ( 121 ) are designed such that a seal with the primary nozzle ( 200 ) or the secondary nozzle ( 300 ) is possible. Adapter ( 100 ) according to claim 6, characterized in that the first sealant ( 116 ) one towards the proximal side ( 101 ) facing sealing surface ( 116 ) and / or the second sealant ( 121 ) one towards the distal side ( 103 ) facing sealing surface ( 121 ) having. Assembly consisting of adapters ( 100 ) according to one of claims 1 to 7 and a primary nozzle ( 200 ) and a secondary nozzle ( 300 ), wherein a recess ( 125 ) in the channel ( 105 ) bounding wall ( 107 ) is provided. An assembly according to claim 8, characterized in that a seal between the sealant ( 116 ) of the adapter ( 100 ) and the primary nozzle ( 200 ) is provided, which is designed such that an escape of the gaseous medium from the filling opening ( 102 ) in the direction of the dispenser ( 400 ) is avoided and / or that a further seal between the second sealant ( 121 ) of the adapter ( 100 ) and the secondary nozzle ( 300 ) is provided. Output unit consisting of an output device ( 400 ) with an attached adapter according to one of claims 1 to 7 and a primary nozzle ( 200 ) and a secondary nozzle ( 300 ), wherein a recess ( 125 ) in the channel ( 105 ) bounding wall ( 107 ) is provided.

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