Quick-action fastener and quick-action fastener counterpart for detachably fastening a silencer to a barrel

Abstract

The invention relates to a quick-action fastener (1) for detachably fastening a silencer (2) to a barrel (3), the quick-action fastener comprising an internal mounting portion (5) for mounting the quick-action fastener in the region of a muzzle (4) of the barrel and comprising an external thread (6) for detachably connecting to a quick-action fastener counterpart (7), wherein: as seen in a circumferential direction (8) of the external thread, the external thread has at least two thread sub-segments (9, 9') and guide sub-segments (10, 10'); as seen in the circumferential direction, each thread sub-segment is followed by a guide sub-segment and vice versa; as seen in a radial direction (11) pointing from the inside to the outside, the thread sub-segments project beyond the guide sub-segments; the thread sub-segments are each formed with at least five thread depressions (12); and the thread depressions are arranged between thread flanks (13) that are arranged one behind the other as seen in an axial direction (14). According to the invention, the thread sub-segments are each formed as a metric or imperial thread, in particular a metric or imperial fine thread, wherein at least two thread sub-segment arc lengths (15, 15') differ in size and / or at least two guide sub-segment arc lengths (16, 16') differ in size.

Description

[0001] QUICK-LOCKING COMPONENT AND QUICK-LOCKING COUNTERPART FOR THE RELEASABLE FASTENING OF A SILENCER TO A BARREL FIELD OF THE INVENTION The present invention relates to a quick-locking component for the releasable fastening of a silencer to a barrel, comprising an internal mounting section for mounting the quick-locking component in the region of a muzzle of the barrel and an external thread for the releasable connection to a quick-locking counterpart, wherein the external thread, viewed in a circumferential direction of the external thread, has at least two threaded part segments and guide part segments, wherein, viewed in the circumferential direction, each threaded part segment is followed by a guide part segment and vice versa, wherein, viewed in a radial direction pointing from the inside to the outside, the threaded part segments project beyond the guide part segments, wherein the threaded part segments are each formed with at least five thread recesses,The thread recesses are arranged between thread flanks arranged one behind the other in an axial direction. Furthermore, the present invention relates to a quick-release counterpart for detachable connection with a quick-release piece according to the invention. PRIOR ART The use of silencers in firearms is becoming increasingly important, particularly because the use of silencers for hunting or for hunters has been permitted for some time in many countries, with some countries even requiring hunters to use silencers. To attach a silencer to the barrel of a firearm, it is known to screw the silencer with an internal thread onto an external thread located on the barrel in the muzzle area.This, however, involves a certain amount of time. To reduce the time required for assembly, quick-release systems such as the one in EP 3514475 B1 are known, but they have a number of disadvantages. Typically, a quick-release piece of the quick-release system is permanently mounted on the barrel in the muzzle area or is very difficult to remove, and the silencer has a corresponding quick-release counterpart that is permanently integrated into the silencer or connected to it, in particular, is very difficult to remove. On the one hand, this results in a commitment to a specific system that does not allow compatibility with other quick-release systems or even with conventional screw threads. The reason for this is that, although known quick-release systems are often said to have a "thread" or parts of a "thread" on the barrel side and on the silencer side,In fact, however, they have locking elements with a typically trapezoidal cross-section that enable locking, but not screwing in the conventional sense, for example with a nut with a known thread. This means that a single locking element does not actually form the thread flanks of a conventional thread. Said locking elements are arranged one behind the other in certain segments or sections in the circumferential direction, with free, recessed sections existing between the segments, which can be milled or designed as milled recesses, for example, to enable the silencer to be quickly pushed over the muzzle area of ​​the barrel (with the quick-release piece attached to it), whereby the connection is established by turning after pushing it over. Due to the design and the available space, only a few, typically four or a maximum of five,Locking elements are arranged one behind the other in a single segment. In addition to these locking elements, further elements are generally required for a stable hold, such as additional grooves and lugs engaging into these, which increases the manufacturing effort. Furthermore, these additional elements generally increase the size, particularly the diameter. Another example of this is additional support surfaces that come into contact or engage during locking and against which the quick-release fastener and the quick-release counterpart support each other or are pressed against each other. For example, known quick-release fasteners are provided as support surfaces in the form of one or more radially outwardly projecting flanges, which are arranged in particular in an end region of the respective quick-release fastener facing away from the muzzle of the barrel.when the respective quick-release fastener is mounted on the barrel. Each such radially protruding flange requires corresponding space, which makes the firearm equipped with the quick-release fastener not only visually but also in actual handling more cumbersome. A further disadvantage of known quick-release systems is that, depending on the number of the above-mentioned segments and the free sections between the segments, there are several, typically three, positions rotated relative to each other in which the silencer can be mounted on the barrel. Due to manufacturing tolerances that are unavoidable in practice, this leads to different hit locations for the different silencer positions, which is disadvantageous for shooters, especially hunters. Another disadvantage that known quick-release systems, but also conventional screw systems, typically have is a lack of long-term stability. This means that,Particularly during repeated firing, the silencer may become loose on the barrel, not least due to unavoidable thermal expansion. DE 202018 005980 U1 discloses a system for the rapid assembly and disassembly of a silencer on the barrel of a firearm. The fastening mechanism is a segmented thread consisting of equally sized segments. OBJECT OF THE INVENTION The object of the present invention is to provide a quick-release fastener for the releasable attachment of a silencer to the barrel of a firearm, as well as a quick-release counterpart, which avoid the aforementioned disadvantages. In particular, increased flexibility and compatibility with known silencers without a quick-release fastener are to be achieved. Preferably, a clear position of the silencer relative to the barrel of the firearm should be enabled when attached with a quick-release fastener.to guarantee a stable hit position. Preferably, long-term stability of the attachment should also be guaranteed, i.e. in particular even with repeated firing. DESCRIPTION OF THE INVENTION To achieve the stated object, a quick-release piece for the detachable attachment of a silencer to a barrel, comprising an internal mounting section for mounting the quick-release piece in the region of a muzzle of the barrel and an external thread for detachable connection to a quick-release counterpart, wherein the external thread, viewed in a circumferential direction of the external thread, has at least two threaded part segments and guide part segments, wherein, viewed in the circumferential direction, each threaded part segment is followed by a guide part segment and vice versa, wherein, viewed from the inside to the outside, the threaded part segments project beyond the guide part segments,wherein the threaded segments are each formed with at least five thread pitches, wherein the thread pitches are arranged between thread flanks arranged one behind the other in an axial direction. According to the invention, the threaded segments are each formed as a metric or imperial thread, in particular a metric or imperial fine thread, wherein the threaded segments extend over threaded segment arc lengths as seen in the circumferential direction, wherein the guide segments extend over guide segment arc lengths as seen in the circumferential direction, wherein at least two threaded segment arc lengths are of different sizes and / or at least two guide segment arc lengths are of different sizes. As already mentioned at the beginning, the term "barrel" refers to the barrel of a firearm to which the quick-release fastener can be mounted. It should be emphasized thatthat the quick-release fastener can, of course, be used to mount not only silencers but also other elements, such as a muzzle brake, on the barrel. The quick-release fastener, which is intended for mounting on the barrel in a conventional manner (particularly by screwing and / or gluing), can also be referred to as a barrel locking sleeve. Obviously, the quick-release fastener has a continuous opening, particularly a bore, along its longitudinal axis, through which a projectile can pass when fired. Preferably, the quick-release fastener and / or its counterpart are made of titanium or a titanium alloy, or of stainless steel or a stainless steel alloy. Accordingly, a drastically increased service life is guaranteed compared to conventional solutions made of aluminum or aluminum alloys.so that a connection between the quick-release piece and the quick-release counterpart can be established precisely and with high mechanical stability practically as often as required. The quick-release counterpart, which can be permanently integrated into an element to be mounted on the barrel, in particular into a silencer, or can be permanently or, in particular, only very difficultly detachably connected to this element or silencer, clearly also has, particularly along its longitudinal axis, a continuous opening or bore through which the projectile can pass when fired. "At least two threaded segments and guide segments" is to be understood as meaning that the external thread always has the same number of threaded segments as guide segments. It would also be theoretically conceivable for at least one threaded segment to have at least two consecutively arranged sections, viewed in the axial direction, separated from each other by a recess.The recess extends in a plane perpendicular to the longitudinal axis. The guide segments can be formed by recesses or milled recesses and allow the quick-release counterpart to be slid over the quick-release piece parallel (unless explicitly stated otherwise, "parallel" also includes "antiparallel") to the axial direction, in order to then be connected or locked to the quick-release piece by rotation. The rotation occurs in such a way that the resulting relative movement of the quick-release piece to the quick-release counterpart takes place in the circumferential direction of the external thread of the quick-release piece - viewed from the quick-release piece to the quick-release counterpart or counterclockwise to the direction in which the quick-release counterpart is moved relative to the quick-release piece when sliding over one another.if the external thread is a right-hand thread. Or the rotation occurs such that the quick-release counterpart is rotated against the direction of rotation of the external thread of the quick-release piece. The quick-release counterpart clearly has an internal thread for this purpose, which is designed and segmented to correspond to the external thread of the quick-release piece. To release, the procedure is reversed, i.e. first a rotation in the opposite direction, followed by pulling off the quick-release counterpart parallel to the axial direction. Said rotation can, for example, be a rotation in the range of 10° to 90°, preferably up to 80°, particularly preferably up to 60°. The radial direction is understood to mean each of the strictly mathematically infinitely many radial directions that extend from a radial center, through which the longitudinal axis of the quick-release piece typically runs.normal to the longitudinal axis point outwards. The axial direction, in turn, is parallel to the longitudinal axis or normal to the radial direction(s). Viewed or measured in the radial direction, as stated above, this results in a projection or step of the threaded segments compared to the guide segments adjoining them in the circumferential direction. By designing the threaded segments as metric or imperial threads, a screw connection with elements that have a corresponding conventional metric or imperial internal thread is possible despite the guide segments. This means that the quick-release piece can not only be connected to a silencer with a quick-release counterpart, but it can also, for example, connect a silencer that has a corresponding metric or imperial thread.be screwed onto the quick-release fastener. This means that, for example, various silencers can be mounted on a firearm equipped with the quick-release fastener. To ensure a secure and mechanically stable connection, at least five thread recesses, which can also be referred to as notches, are provided. Further securing elements, such as additional grooves and engaging lugs, can therefore be omitted from the quick-release fastener or its counterpart. The quick-release fastener can be designed accordingly slim,so that it does not protrude significantly beyond the barrel in the radial direction. The number of locking elements is determined by multiplying the number of thread grooves by the number of thread segments. If the metric or imperial thread is designed as a fine thread, the number of thread grooves can be increased accordingly without enlarging the quick-release fastener in the axial direction. For example, ten thread grooves and three thread segments (or guide segments) can be provided, so that the thread flanks create 30 flat, locking elements with a high locking pressure, which guarantee a firm hold. As already mentioned, further elements necessary for stable locking can be dispensed with. In particular, no additional support surfaces are required; instead, one end face of the quick-release fastener forms a support surface.which, when locked, comes into contact or engagement with a corresponding support surface on the quick-release counterpart, so that the two support surfaces are pressed against each other. The end face of the quick-release piece, which acts as the support surface, is the one that forms the muzzle-side end of the quick-release piece, with the quick-release piece extending axially from one barrel-side end to the muzzle-side end. Thus, when the quick-release piece is used as intended, this support surface is located "at the front" of the firearm or barrel. Accordingly, the quick-release piece does not require any radially protruding flanges, resulting in a significantly slimmer,This results in a more space-saving silhouette. Handling a firearm equipped with the quick-release fastener is therefore no more cumbersome for the user than handling a firearm without the quick-release fastener. In principle, various common metric or imperial threads can be provided for the external thread of the quick-release fastener, for example, an M18 thread, an M22x1 fine thread, or an M22x1.5 fine thread. In a preferred embodiment of the quick-release fastener according to the invention, the metric thread is an M18x1 fine thread. Due to the frequent use of this thread type in silencers, this achieves particularly high compatibility. In the quick-release fastener according to the invention, the threaded segments extend over threaded segment arc lengths, viewed in the circumferential direction.that the guide segments extend over guide segment arc lengths in the circumferential direction, with at least two threaded segment arc lengths being of different sizes and / or at least two guide segment arc lengths being of different sizes. This guarantees that the quick-release counterpart can only be connected to the quick-release piece in one specific position or arrangement. Other arrangements offset by a certain angle of rotation are thus excluded. Accordingly, the impact pattern or the impact location does not change even after disassembly and repeated assembly of the silencer, which leads to a huge increase in precision compared to known quick-release systems with multiple possible mounting positions for the silencer. It should be emphasized thatthat, clearly, in such embodiments, the internal thread of the quick-release counterpart is also correspondingly segmented. Specifically, the internal thread of the quick-release counterpart can have internal thread segments and internal guide segments, wherein at least two of the arc lengths of the internal thread segments and / or at least two of the arc lengths of the internal guide segments are of different sizes. The aforementioned arc lengths naturally correspond to angular ranges, or a respective central angle belongs to the respective arc length, and the arc lengths can therefore also be specified as such central angles. For example, in an embodiment of the quick-release piece with three thread segments and guide segments, it can be provided that two guide segments have an arc length corresponding to a central angle in the range of 40° to 60°, in particular 50°.and that a guide segment has an arc length corresponding to a central angle in the range of 20° to 40°, in particular 30°. Accordingly, two of the three threaded segments can then also have a specific arc length, with the third threaded segment having a smaller arc length. In principle, it would be conceivable to provide only two threaded and guide segments to achieve the described functionality. In a preferred embodiment of the quick-release fastener according to the invention, at least three, preferably exactly three, threaded and guide segments are provided. A number of three threaded or guide segments has proven particularly effective in practice, since, on the one hand, very high precision is ensured and, on the other hand, the locking surfaces can be designed to be large.to ensure a particularly high locking effect or a particularly high locking pressure. Of course, embodiments with a larger number of threaded and guide segments are also conceivable, for example, with four, five, or even more threaded and guide segments. In a preferred embodiment of the quick-release fastener according to the invention, it is provided that the quick-release fastener extends in the axial direction from a barrel-side end to a mouth-side end, and that, viewed in the axial direction, a locking lug is arranged in front of the external thread, which adjoins one of the threaded segments in order to prevent overtightening of the quick-release fastener counterpart when releasing the connection with the quick-release fastener counterpart, and thus an unintentional reconnection of the quick-release fastener counterpart to the quick-release fastener.wherein the locking lug projects beyond the guide segments in the radial direction and extends at most as far as the threaded segments. This means that the locking lug does not project beyond the threaded segments in the radial direction. This further increases practicality, as even with rapid operation by the user, an absolutely reliable and unambiguous connection, locking, and release of the quick-release fastener and the quick-release counterpart are ensured. In a preferred embodiment of the quick-release fastener according to the invention, the mounting section is provided with an internal thread to enable screwing to an external thread of the barrel, wherein the quick-release fastener has a drive profile, in particular a hexagon socket profile, in the region of a muzzle-side end.wherein the drive profile is arranged after the internal thread, viewed in the axial direction, and wherein the axial direction points from a barrel-side end of the quick-release fastener to the muzzle-side end. The internal thread can be adapted to a wide variety of external threads of the respective barrel. In particular, the internal thread can be designed in the range from M10x1 to M18x1, for example as M12, M13, M14, or M15x1. Furthermore, inch-sized internal threads are also possible in order to be able to screw onto corresponding external threads of the respective barrel, for example 1 / 2x20", 1 / 2x28", or 5 / 8x24". To ensure the most compact design possible, the mounting section, in particular the internal thread, of the quick-release fastener can be arranged, viewed in the radial direction, at least partially overlapping the external thread of the quick-release fastener. For such an arrangement, it is clearly necessary,that there is a certain size difference between the external thread and the internal thread of the quick-connect piece. For example, the aforementioned arrangement is still possible in practice if the external thread of the quick-connect piece is of type M18x1 and the internal thread is of type M16x1. If, for example, the external thread of the quick-connect piece is of type M18x1 and the quick-connect piece is to be screwed onto a barrel with a thread of type M17x1, the internal thread of type M17x1 cannot have the aforementioned overlapping arrangement because there is insufficient material available. In this or similar cases, the quick-connect piece can be made longer in the axial direction so that the mounting section, in particular the internal thread,and the external thread of the quick-release fastener are arranged one behind the other in the axial direction. Since the length or size in the axial direction of the quick-release fastener is typically approximately doubled compared to a version in which the above-described arrangement of internal and external threads, viewed in the radial direction, is present, it can also be referred to as a "double adapter." The driver profile allows the user to conveniently screw the quick-release fastener onto the barrel using the appropriate tool. For example, the driver profile can be designed as a 10 mm hexagon socket, so that the quick-release fastener can be screwed or tightened onto the barrel using a 10 mm hexagon socket wrench. Analogous to the above, the invention provides a system comprising a quick-release fastener according to the invention and a quick-release counterpart,which has an internal thread corresponding to the external thread of the quick-release fastener, which, viewed in a circumferential direction of the internal thread, is segmented with internal thread sub-segments and internal guide sub-segments corresponding to the external thread of the quick-release fastener. To create a detachable connection, the quick-release counterpart can be pushed over the quick-release fastener in the axial direction and then rotated in the axial direction in the axial direction against the circumferential direction of the external thread in order to first arrange the internal thread sub-segments over the guide sub-segments and then bring them into engagement with the thread sub-segments. It should be emphasized that due to the design of the internal thread corresponding to the external thread of the quick-release fastener, the internal thread of the quick-release counterpart must also have a metric or imperial thread, preferably a fine thread.This not only enables a quick-release connection of the quick-release counterpart to the quick-release piece, but also a conventional screw connection of the quick-release counterpart to a conventional corresponding metric or imperial external thread. The latter can in particular be a metric or imperial fine thread and can be arranged on a barrel of a firearm, either on the barrel itself or on an adapter connected to the barrel. Accordingly, as explained in more detail below, the quick-release counterpart can also be used to screw a "conventional" silencer (which in turn does not have a quick-release, but rather a conventional internal thread for mounting) onto a barrel with a metric or imperial external thread or onto a conventional adapter with a metric or imperial external thread. This means that the silencer connected to the conventional silencer,A quick-release counterpart, particularly a screwed one, allows the conventional silencer to be attached to the barrel using either a quick-release fastener or a conventional screw connection. Theoretically, it would be conceivable for the number of internal thread segments to differ from the number of threaded segments, and for the number of internal guide segments to differ from the number of guide segments, for example, because an additional groove is milled into an internal thread segment. In a preferred embodiment of the system according to the invention, the number of internal thread segments corresponds to the number of threaded segments, and the number of internal guide segments corresponds to the number of guide segments. A quick-release connection of the quick-release counterpart to the quick-release piece with optimal hold is thus possible. In a preferred embodiment of the system according to the invention,that the quick-release counterpart is integrated into a silencer. This means that the quick-release counterpart forms part of the silencer, whereby the silencer can, on the one hand, be quickly connected to a barrel when the quick-release piece is attached to the barrel. On the other hand, the silencer can also be connected to a barrel if the barrel or an adapter attached to the barrel only has a conventional metric or imperial thread, for example, an M18x1 fine thread, which corresponds in size to the internal thread of the quick-release counterpart. The quick-release piece can - but does not have to - be designed in one piece with a part of the silencer, for example, with a tubular inner section of the silencer. The silencer is thus clearly part of this preferred embodiment of the system according to the invention. In a preferred embodiment of the system according to the invention,that the quick-release counterpart has a screw section with a further external thread to enable screwing to a further silencer, wherein the further external thread is preferably a metric thread, particularly preferably a metric fine thread. The quick-release counterpart acts here as an adapter that can be screwed to a conventional, further silencer designed for screwing to the barrel, so that the conventional, further silencer can then be attached to the barrel both by conventional screwing and by means of a quick-release fastener (in conjunction with the quick-release piece). The further external thread corresponds to an internal thread of the further silencer or can be matched to the internal thread of the further silencer, which is why the further external thread does not necessarily have to be metric, but can also be imperial, for example.In particular, it can be designed as an inch fine thread. In order to be able to connect and tighten the quick-release counterpart particularly easily to the additional silencer, a particularly preferred embodiment of the system according to the invention provides that the quick-release counterpart has an internal drive profile, in particular a hexagon socket profile, wherein, viewed along a longitudinal axis of the quick-release counterpart, the drive profile is preferably arranged in a region between the internal thread and the screw section. The drive profile can be engaged with an appropriate tool, in particular with an Allen key, to enable problem-free screwing and tightening. For example, the drive profile can be designed as a 10 mm hexagon socket profile.with which a 10 mm Allen key can be engaged. In a preferred embodiment of the system according to the invention, it is provided that the quick-release counterpart is screwed to the additional silencer. This means that the quick-release counterpart functions, as described above, as an adapter for the additional silencer, wherein the additional silencer is a part of this preferred embodiment of the system according to the invention. In a particularly preferred embodiment of the system according to the invention, it is provided that the silencer or the additional silencer has a tubular inner section that extends along a longitudinal axis, wherein the tubular inner section has one or more slots on a lateral surface, wherein the respective slot forms a continuous opening in a wall of the tubular inner section and has a course,which is inclined to the longitudinal axis and forms an angle with it that lies between 0° and 90°, preferably between 15° and 60°, in order to tighten the silencer or additional silencer on the quick-release piece when gas escapes through the at least one slot caused by a shot when the quick-release piece is connected to the quick-release counterpart. As usual, this refers to the angle that is enclosed, on the one hand, by the tangent to the course at every point of the course and, on the other hand, by the longitudinal axis. Each slot represents an opening from the interior of the tubular inner section to the outside. The gases caused by a shot flow at high speed, for example, approximately 800 m / s, and high pressure, for example, approximately 4000 bar.from the barrel and through the slot(s). The gas impacts the wall of the respective slot and, due to the angle mentioned, generates a torque on the tubular inner section, which in turn tightens the silencer or additional silencers. This enables a long-term, stable, tight fit of the silencer on the barrel. Even with repeated firing and the associated unavoidable thermal expansion of all components, the silencer cannot loosen, but rather retightens with each shot. This ensures that the detachable connection can only be deliberately released by the user. The tubular inner section can be made of titanium or a titanium alloy, or of stainless steel or a stainless steel alloy.to ensure a drastically increased service life compared to conventional solutions made of aluminum or aluminum alloys. The silencer or additional silencers can - but do not have to - have, in addition to the tubular inner section, another tubular inner section connected to it, which can be connected, in particular screwed, to the tubular inner section, or is detachably connected, in particular screwed, to the tubular inner section, with the two inner sections then being arranged one behind the other along the longitudinal axis. In particular, alternatively or additionally, the two inner sections can be bonded together. To facilitate the screw connection to the additional tubular inner section, the tubular inner section can have a corresponding drive profile, in particular a hexagon socket profile. A corresponding tool, in particular an Allen key, can be brought into engagement with this drive profile.to conveniently enable said screwing, including tightening. For example, a 10 mm hexagon socket profile can be provided as a driving profile, into which a 10 mm Allen key can be engaged. The further tubular inner section can also be made of titanium or a titanium alloy, or of stainless steel or a stainless steel alloy, in order to ensure a drastically increased service life compared to conventional solutions made of aluminum or aluminum alloys. The silencer or further silencer typically also has an outer shell (sometimes also referred to as the "outer tube" or "base body"), which surrounds the tubular inner section and, if applicable, the further tubular inner section during operation in a manner known per se and is connected to it(s) (e.g., by screwing and / or gluing). In a preferred embodiment of the system according to the invention,that the quick-release counterpart is designed as a protective sleeve, wherein the protective sleeve preferably has a continuous opening along a longitudinal axis of the protective sleeve. This means that the protective sleeve can be attached to the quick-release piece by means of a quick-release fastener in a very quick and easy way, in order to protect the quick-release piece, in particular the external thread of the quick-release piece, from dirt and external influences. To facilitate operation, a gripping surface can be provided which increases the grip for the user, for example by means of grooves or ribbing. If the protective sleeve is designed to be closed on one side, the protective sleeve can prevent dirt from entering the barrel if the protective sleeve is attached to the quick-release piece and the quick-release piece is attached to the barrel. If the protective sleeve is open on both sides, i.e. has the continuous opening, in particular a bore, it can be fired with the protective sleeve attached.since a projectile can pass through the through opening when fired. In addition to its protective effect, the protective sleeve can also contribute to improving the aesthetic appearance of the firearm equipped with the quick-release fastener. The protective sleeve can be made, for example, from a plastic or aluminum or an aluminum alloy. However, versions made of titanium or a titanium alloy, or of stainless steel or a stainless steel alloy, which meet particularly high quality standards, are also conceivable. Analogous to the above, the invention also provides a quick-release counterpart for detachable connection to a quick-release fastener according to the invention, comprising an internal thread corresponding to the external thread of the quick-release fastener, which, viewed in a circumferential direction of the internal thread, is segmented with internal thread sub-segments and internal guide sub-segments corresponding to the external thread of the quick-release fastener.To establish a detachable connection, the quick-release counterpart can be pushed over the quick-release piece in the axial direction and then rotated in the axial direction against the direction of rotation of the external thread in order to first arrange the internal thread segments over the guide segments and then bring them into engagement with the thread segments. Regarding possible embodiments of the quick-release counterpart according to the invention, the above statements regarding the system according to the invention apply: i.e., it can be provided that the number of internal thread segments corresponds to the number of thread segments, and the number of internal guide segments corresponds to the number of guide segments. The quick-release counterpart can be integrated into a silencer. The quick-release counterpart can have a screw section with a further external thread.to enable screwing to another silencer, wherein the further external thread is preferably a metric thread, particularly preferably a metric fine thread. The quick-release counterpart can have an internal drive profile, in particular a hexagon socket profile, wherein, viewed along a longitudinal axis of the quick-release counterpart, the drive profile is preferably arranged in a region between the internal thread and the screw section. The quick-release counterpart can be designed as a protective sleeve, wherein the protective sleeve preferably has an opening extending along a longitudinal axis of the protective sleeve. BRIEF DESCRIPTION OF THE FIGURES The invention will now be explained in more detail using exemplary embodiments. The drawings are exemplary and are intended to illustrate the inventive concept,but in no way restricts it or represents it exhaustively. Shown are: Fig. 1 an axonometric view of a quick-release fastener according to the invention Fig. 2 a side view of the quick-release fastener from Fig. 1 Fig. 3 a rear view of the quick-release fastener from Fig. 1 Fig. 4 a front view of the quick-release fastener from Fig. 1 Fig. 5 a sectional view along the section line VV in Fig. 2, with the arrows indicating the direction of view Fig. 6 a schematic axonometric view of a first embodiment of a quick-release counterpart according to the invention Fig. 7 a schematic rear view of the quick-release counterpart from Fig. 6 Fig. 8 a schematic side view of the quick-release counterpart from Fig. 6 Fig. 9 a schematic sectional view along the section line IX-IX in Fig. 8,where the arrows indicate the viewing direction Fig. 10 is a schematic axonometric view of a second embodiment of the quick-release counterpart according to the invention Fig. 11 is a schematic side view of the quick-release counterpart from Fig. 10 Fig. 12 is a schematic sectional view along the section line XII-XII in Fig. 11, where the arrows indicate the viewing direction Fig. 13 is a schematic axonometric view of a third embodiment of the quick-release counterpart according to the invention Fig. 14 is a schematic rear view of the quick-release counterpart from Fig. 13 Fig. 15 is a schematic side view of the quick-release counterpart from Fig. 13 WAYS OF IMPLEMENTING THE INVENTION Fig. 1 shows in an axonometric view a quick-release piece 1 according to the invention for the detachable fastening of a silencer 2 (cf. Fig. 10, Fig. 11 and Fig. 12) or of a further silencer 28 (indicated by the dashed line in Fig. 8,The quick-release fastener 1 comprises an internal mounting section 5 for mounting the quick-release fastener 1 in the region of the muzzle 4 of the barrel 3 (where only a section with one end of the silencer 8 is shown) of a firearm (not shown). The quick-release fastener 1 comprises an internal mounting section 5 for mounting the quick-release fastener 1 in the region of the muzzle 4 of the barrel 3. The mounting section 5 has an internal thread 20 to enable screwing with an external thread (not shown) of the barrel 3. Accordingly, the internal thread 20 is adapted to the external thread of the barrel 3 and can, for example, be of the type M12, M13, M14, or M15x1. The quick-release fastener 1 has, in the region of a muzzle-side end 19, a drive profile 21, which in the illustrated embodiment is designed as a hexagon socket profile.see Fig. 5. The driving profile 21 is arranged after the internal thread 20, viewed in an axial direction 14, wherein the axial direction 14 points from a barrel-side end 18 of the quick-release fastener 1 to the mouth-side end 19. For detachable connection to a quick-release counterpart 7 (see Fig. 6 to Fig. 15), the quick-release fastener 1 comprises an external thread 6, which, viewed in a circumferential direction 8 of the external thread 6, has at least two threaded sub-segments 9, 9' and guide sub-segments 10, 10', see in particular Fig. 3 and Fig. 4, wherein in the illustrated embodiment, three threaded sub-segments 9, 9' and guide sub-segments 10, 10' are provided. Viewed in the circumferential direction 8, each of the threaded sub-segments 9, 9' is followed by one of the guide sub-segments 10, 10' and vice versa. In a radial direction 11 seen from the inside or from a longitudinal axis 40 of the quick-release piece 1 outwards, the threaded part segments 9,9', the guide segments 10, 10' around a projection 17, see Fig. 4. The radial direction 11 is understood to mean each of the strictly mathematically infinite number of radial directions 11, which point outwards from a radial center through which the longitudinal axis 40 of the quick-release fastener 1 runs, perpendicular to the longitudinal axis 40. Along the longitudinal axis 40, the quick-release fastener 1 has a through-opening. In the illustrated embodiment, the guide segments 10, 10' are designed as milled recesses. The guide segments 10, 10' enable the quick-release counterpart 7 to be pushed over the quick-release fastener 1 against the axial direction 14, in order to then be connected or locked to the quick-release fastener 1 by rotation. During locking, a support surface 48 of the quick-release fastener 1,which is formed by the mouth-side end 19 or by an end face forming the mouth-side end 19, see Fig. 4 and Fig. 5, is brought into contact or engagement with a support surface 49 of the quick-release counterpart 7 (see Fig. 9 and Fig. 12), so that the two support surfaces 48, 49 are pressed against each other. Accordingly, the connected or locked quick-release counterpart 7 is supported with its support surface 49 on the support surface 48 of the quick-release piece 1. The quick-release counterpart 7 clearly has an internal thread 22 for this purpose, which is designed and segmented to correspond to the external thread 6 of the quick-release piece 1, as explained in more detail below. To release, the procedure is reversed, i.e. first a rotation in the opposite direction, followed by pulling off the quick-release counterpart 7 in the axial direction 14. The threaded part segments 9,9' are each designed as a metric or inch thread with at least five, in particular with at least ten, thread recesses 12, wherein the thread recesses 12 are arranged between thread flanks 13 arranged one behind the other as seen in the axial direction 14, see Fig. 2 or Fig. 5. By designing the threaded part segments 9, 9' as a metric or inch thread, a screw connection with elements that have a corresponding conventional metric or inch internal thread is possible despite the guide part segments 10, 10'. In the illustrated embodiment, the threaded part segments 9, 9' are designed as a metric fine thread M18x1. In this case, (at least) ten thread recesses 12 are provided, so that with the three threaded segments 9, 9' due to the thread flanks 13, (at least) thirty flat, locking or locking elements with a high locking pressure are obtained,which guarantee a firm hold. In order to always guarantee a clear positioning relative to one another during the quick connection of the quick-connection piece 1 with the quick-connection counterpart 7, it is provided in the illustrated embodiment that the threaded segments 9, 9' extend over threaded segment arc lengths 15, 15' as seen in the circumferential direction 8, wherein the guide segments 10, 10' extend over guide segment arc lengths 16, 16' as seen in the circumferential direction 8, wherein the threaded segment arc lengths 15, 15' are of different sizes and the guide segment arc lengths 16, 16' are of different sizes. This means that the threaded segment arc lengths 15 of the two threaded segments 9 are of the same size, and the threaded segment arc length 15' of the threaded segment 9' differs from the threaded segment arc lengths 15 in thatthat it is larger than the latter. Similarly, the guide segment arc lengths 16 of the two guide segments 10 are the same size, and the guide segment arc length 16' differs from the guide segment arc lengths 16 in that it is smaller than the latter. In the illustrated embodiment, the guide segment arc lengths 16 each correspond to a center angle of approximately 50°, and the guide segment arc length 16' corresponds to a center angle of approximately 30°. In the illustrated embodiment, the quick-release piece 1 also has a locking lug 37, which, viewed in the axial direction 14, is arranged in front of the external thread 6, see Fig. 3. The locking lug 37 adjoins the threaded segment 9'.to prevent overtightening of the quick-release counterpart 7 when releasing the connection with the quick-release counterpart 7 and thus an unintentional reconnection of the quick-release counterpart 7 to the quick-release piece 1. The locking lug 37 projects beyond the guide segments 10, 10', viewed in the radial direction 11, and extends at most as far as the threaded segments 9, 9'. Fig. 6 shows a schematic axonometric view of a first embodiment of the quick-release counterpart 7 according to the invention, which, together with the quick-release piece 1, forms a system according to the invention. As already explained, the quick-release counterpart 7 is designed for a detachable connection to the quick-release piece 1. The quick-release counterpart 7 comprises an internal thread 22 corresponding to the external thread 6 of the quick-release piece 1.which, viewed in a circumferential direction 25 of the internal thread 22, is segmented with internal thread segments 23 and internal guide segments 24 corresponding to the external thread 6 of the quick-release fastener 1, see Fig. 7. To produce a detachable connection, the quick-release counterpart 7 can be pushed over the quick-release fastener 1 against the axial direction 14 and then rotated against the circumferential direction 8 of the external thread 6, viewed in the axial direction 14, in order to first arrange the internal thread segments 23 over the guide segments 10, 10' and then to engage them with the thread segments 9, 9'. The number of internal thread segments 23 in the illustrated embodiments corresponds to the number of thread segments 9, 9' and is three. Likewise, in the illustrated embodiments, the number of internal guide segments 24 corresponds to the number of guide segments 10,10' and is three. In the illustrated first embodiment, the quick-release counterpart 7 has a screw portion 26 with a further external thread 27 to enable screwing with the further silencer 28, wherein the further external thread 27 is matched to a corresponding internal thread (not shown) of the further silencer 28 and is preferably a metric thread, particularly preferably a metric fine thread. In the illustrated first embodiment, the quick-release counterpart 7 extends along a longitudinal axis 29 from a first end 43 to a second end 44 (cf. Fig. 9 and Fig. 7,which shows a rear view looking towards the second end 44) ​​and has a through opening along the longitudinal axis 29. For screwing to the additional silencer 28, the quick-release counterpart 7 is inserted into the additional silencer 28 with the first end 43. For connection to the quick-release piece 1, the quick-release counterpart 7 is pushed with its second end 44 over the quick-release piece 1 and then twisted, as already described above. To enable a user to easily tighten the quick-release counterpart 7 to the additional silencer 28, the quick-release counterpart 7 in the first embodiment shown has an internal driver profile 21, which in the first embodiment shown is designed as a hexagon socket profile. In the first embodiment shown, the driver profile 21 is arranged in the region of the first end 43.See Fig. 9. An Allen key can be inserted through the through opening from the side of the second end 44 into the driving profile 21 to conveniently screw and tighten it with the additional silencer 28. Fig. 10 shows a schematic axonometric view of a second embodiment of the quick-release counterpart 7, wherein the quick-release counterpart 7 is integrated into the silencer 2. Unless otherwise stated, what has already been said above regarding the quick-release counterpart 7 applies and will therefore be omitted here. The quick-release counterpart 7 is manufactured in one piece with a tubular inner section 30 of the silencer 2 or is milled into it. The tubular inner section 30 extends along a longitudinal axis 31,see Fig. 11. On a lateral surface 32, the tubular inner section 30 in the second exemplary embodiment shown has four slots 33. Each of these slots 33 forms a through opening in a wall 34 of the tubular inner section 30 and has a profile (indicated by dotted lines in Fig. 12) that is inclined to the longitudinal axis 31 and encloses an angle 47 with it, which lies between 15° and 60°, see Fig. 12. As usual, this refers to the angle that is enclosed, on the one hand, by the tangent (not shown) to the profile at every point of the profile and, on the other hand, by the longitudinal axis 31. This ensures that, when gas escapes through the slots 33 due to a shot being fired, the silencer 2 is tightened on the quick-release piece 1 when the quick-release piece 1 is connected to the quick-release counterpart 7. This means that an unwanted loosening of the silencer 2 when firing,In particular, due to unavoidable thermal expansion, is reliably prevented. As indicated by dashed lines in Fig. 11, the silencer 2 in the illustrated embodiment has, in addition to the tubular inner section 30, a further tubular inner section 39 adjoining it, which is connectable, in particular screwable, to the tubular inner section 30 or detachably connected, in particular screwed, with the two inner sections 30, 39 then being arranged one behind the other along the longitudinal axis 31. Only one section with one end of the further tubular inner section 39 is shown in Fig. 11. For the aforementioned screw connection of the inner sections 30, 39, the tubular inner section 30 has an external thread 41.which is brought into engagement with a corresponding internal thread (not shown) of the further tubular inner section 39. To facilitate the screw connection with the further tubular inner section 39, the tubular inner section 30 has a corresponding driving profile 21, which in the illustrated embodiment is designed as a hexagon socket profile.See Fig. 12. A hexagon socket wrench can be engaged with this drive profile 21 to conveniently facilitate the aforementioned screw connection and tightening. The tubular inner section 30 extends along the longitudinal axis 31 from a first end 45 to a second end 46. Along the longitudinal axis 31, the tubular inner section 30—like the further tubular inner section 39—has a through opening. The driving profile 21 is arranged in the area of ​​the first end 45 and the external thread 41 in the area of ​​the second end 46. The internal thread 22 is also arranged in the latter area, see Fig. 12. For connection to the barrel 3 or to the quick-release piece 1, the latter is pushed from the side of the second end 46 through the further tubular inner section 39 into the tubular section 30 in the area of ​​the second end 46 with the internal thread 22 and then twisted,as already described above. The silencer 2 also has an outer shell 42 (sometimes also referred to as the "outer tube" or "base body"), which surrounds the tube-like inner section 30 and the further tube-like inner section 39 during operation in a manner known per se and is connected to them (e.g., by screwing and / or gluing) and is indicated by dotted lines in Fig. 11, with only a section showing one end of the outer shell 42. Fig. 13 shows a schematic axonometric view of a third embodiment of the quick-release counterpart 7, wherein the quick-release counterpart 7 is designed as a protective sleeve 35. Unless otherwise stated, what has already been said above regarding the quick-release counterpart 7 applies, and it will therefore be omitted here. This means that the protective sleeve 35 can be attached to the quick-release piece 1 in an extremely quick and detachable manner by means of a quick-release fastener, in thatAs described in detail above, the internal thread 22 with its internal thread segments 24 (see Fig. 14) is brought into engagement with the thread segments 9, 9' of the external thread 6, thus protecting the quick-release fastener 1, in particular the external thread 6 of the quick-release fastener 1, from dirt and external influences. To facilitate operation, a gripping surface 38 with grooves is provided, which increases the grip for the user (see Fig. 15). In the third embodiment shown, the protective sleeve 35 has a through opening along a longitudinal axis 36. Accordingly, shooting can also be carried out with the protective sleeve 35 attached, since a projectile can pass through the through opening when the shot is fired.

[0002] LIST OF REFERENCE SYMBOLS1 Quick-release piece2 Silencer 3 Lauf 4 Mündung5 Mounting section 6 External thread 7 Quick-release counterpart 8 Direction of rotation 9, 9' Threaded part segment 10, 10' Guide part segment 11 Radial direction 12 Thread pitch 13 Thread flank 14 Axial direction 15, 15' Threaded part segment arc length 16, 16' Guide part segment arc length 17 Projection 18 Barrel-side end 19 Muzzle-side end 20 Internal thread 21 Driving profile 22 Internal thread of the quick-release counterpart 23 Internal threaded part segment 24 Internal guide part segment 25 Direction of rotation of the internal thread 26 Screw section 27 Additional external thread 28 Additional silencer 29 Longitudinal axis of the quick-release counterpart 30 Tubular inner section 31 Longitudinal axis of the tubular inner section 32 Shell surface of the tubular inner section 33 Slot 34 Wall of the tubular inner section 35 Protective sleeve 36 Longitudinal axis of the protective sleeve 37 Locking lug 38 Gripping surface 39 Further tubular inner section 40 Longitudinal axis of the quick-release piece 41 External thread of the tubularInner section 42 Silencer outer shell 43 First end of the quick-release counterpart ij5 44 Second end of the quick-release counterpart 45 First end of the tubular inner section 46 Second end of the tubular inner section 47 Angle 48 Support surface of the quick-release piece 49 Support surface of the quick-release counterpart

Claims

CLAIMS1. A quick-release fastener (1) for releasably fastening a silencer (2) to a barrel (3), comprising an internal mounting section (5) for mounting the quick-release fastener (1) in the region of a muzzle (4) of the barrel (3) and an external thread (6) for releasably connecting it to a quick-release counterpart (7), wherein the external thread (6) has at least two threaded segments (9, 9') and guide segments (10, 10') viewed in a circumferential direction (8) of the external thread (6), wherein each threaded segment (9, 9') is followed by a guide segment (10, 10') viewed in the circumferential direction (8) and vice versa, wherein, viewed in a radial direction (11) pointing from the inside to the outside, the threaded segments (9, 9') project beyond the guide segments (10, 10'), wherein the threaded segments (9, 9') are each formed with at least five thread recesses (12),wherein the thread recesses (12) are arranged between thread flanks (13) arranged one behind the other in an axial direction (14), characterized in that the threaded part segments (9, 9') are each designed as a metric or inch thread, in particular a metric or inch fine thread, wherein the threaded part segments (9, 9') extend over threaded part segment arc lengths (15, 15') as seen in the circumferential direction (8), that the guide part segments (10, 10') extend over guide part segment arc lengths (16, 16') as seen in the circumferential direction (8), wherein at least two threaded part segment arc lengths (15, 15') are of different sizes and / or at least two guide part segment arc lengths (16, 16') are of different sizes.

2. Quick-release fastener (1) according to claim 1, characterized in that the metric thread is an M18x1 fine thread.

3. Quick-release fastener (1) according to one of claims 1 to 2, characterized in that at least three, preferably exactly three, threaded segments (9, 9') and guide segments (10, 10') are provided. 4.Quick-release fastener (1) according to one of claims 1 to 3, characterized in that the quick-release fastener (1) extends in the axial direction (14) from a barrel-side end (18) to a mouth-side end (19) and in that, viewed in the axial direction (14), a locking lug (37) is arranged in front of the external thread (6), which locking lug adjoins one of the threaded part segments (9, 9') in order to prevent over-tightening of the quick-release fastener counterpart (7) when the connection to the quick-release fastener counterpart (7) is released and thus an unwanted reconnection of the quick-release fastener counterpart (7) to the quick-release fastener (1), wherein the locking lug (37) projects beyond the guide part segments (10, 10') viewed in the radial direction (11) and extends at most as far as the threaded part segments (9, 9').5.Quick-release fastener (1) according to one of claims 1 to 4, characterized in that the mounting section (5) has an internal thread (20) in order to enable screwing to an external thread of the barrel (3), wherein the quick-release fastener (1) has a driving profile (21), in particular a hexagon socket profile, in the region of a muzzle-side end (19), wherein the driving profile (21) is arranged after the internal thread (20) as seen in the axial direction (14), and wherein the axial direction (14) extends from a barrel-side end (18) of the. quick-release piece (1) points towards the muzzle end (19).

6. System comprising a quick-release fastener (1) according to one of claims 1 to 5 and a quick-release counterpart (7) which has an internal thread (22) corresponding to the external thread (6) of the quick-release fastener (1), which, as seen in a circumferential direction (25) of the internal thread (22), is segmented with internal thread sub-segments (23) and internal guide sub-segments (24) corresponding to the external thread (6) of the quick-release fastener (1), wherein, to produce a detachable connection, the quick-release counterpart (7) can be pushed over the quick-release fastener (1) counter to the axial direction (14) and then rotated counter to the circumferential direction (8) of the external thread (6), as seen in the axial direction (14), in order to first arrange the internal thread sub-segments (24) over the guide sub-segments (10, 10') and then to bring them into engagement with the thread sub-segments (9, 9').7.System according to claim 6, characterized in that the number of internal thread segments (23) corresponds to the number of thread segments (9, 9') and the number of internal guide segments (24) corresponds to the number of guide segments (10, 10').

8. System according to one of claims 6 to 7, characterized in that the quick-release counterpart (7) is integrated into a silencer (2).

9. System according to one of claims 6 to 7, characterized in that the quick-release counterpart (7) has a screw section (26) with a further external thread (27) to enable screwing to a further silencer (28), wherein. the further external thread (27) is preferably a metric thread, particularly preferably a metric fine thread.

10. System according to claim 9, characterized in that the quick-release counterpart (7) has an internal driving profile (21), in particular a hexagon socket profile, wherein, viewed along a longitudinal axis (29) of the quick-release counterpart (7), the driving profile (21) is preferably arranged in a region between the internal thread (22) and the screw section (26).

11. System according to one of claims 9 to 10, characterized in that the quick-release counterpart (7) is screwed to the further silencer (28).12.System according to claim 8 or 11, characterized in that the silencer (2) or the further silencer (28) has a tubular inner section (30) which extends along a longitudinal axis (31), wherein the tubular inner section (30) has one or more slots (33) on a lateral surface (32), wherein the respective slot (33) forms a through-opening in a wall (34) of the tubular inner section (30) and has a profile which is inclined to the longitudinal axis (31) and encloses an angle (47) therewith which lies between 0° and 90°, preferably between 15° and 60°, in order to tighten the silencer (2) or further silencer (28) on the quick-release piece (1) in the event of gas escaping through the at least one slot (33) caused by a shot being fired, when the quick-release piece (1) is connected to the quick-release counterpart (7).

13. System according to one of claims 6 to 7, characterized in that the quick-release counterpart (7) is designed as a protective sleeve (35), wherein the protective sleeve (35) preferably has an opening extending along a longitudinal axis (36) of the protective sleeve (35).14.A quick-release counterpart (7) for detachable connection to a quick-release piece (1) according to one of claims 1 to 5, comprising an internal thread (22) corresponding to the external thread (6) of the quick-release piece (1), which, viewed in a circumferential direction (25) of the internal thread (22), is segmented with internal thread sub-segments (23) and internal guide sub-segments (24) corresponding to the external thread (6) of the quick-release piece (1), wherein, to produce a detachable connection, the quick-release counterpart (7) can be pushed over the quick-release piece (1) counter to the axial direction (14) and then rotated counter to the circumferential direction (8) of the external thread (6), viewed in the axial direction (14), in order to first arrange the internal thread sub-segments (24) over the guide sub-segments (10, 10') and then to bring them into engagement with the thread sub-segments (9, 9').

Images