Tow seat, tow seat coupling system, commercial vehicle and commercial vehicle combination

Abstract

The invention relates to a towing seat (1) comprising a towing seat plate (10), a plug (50), a drive (60) and a guide structure (20) for the plug (50), wherein the towing seat plate (10) has a semitrailer surface (12), wherein the semitrailer surface (12) has an externally directed normal (N12), wherein the externally directed normal (N12) is parallel to a vertical direction (H), wherein the towing seat plate (10) has an insertion opening (14), wherein the insertion opening (14) extends in an insertion direction (E), wherein the plug (50) is movable from a first position, in particular a retracted position, to a second position, in particular an extended position, by means of the drive (60), wherein the plug (50) is guided from the first position to the second position and / or from the second position to the first position by means of the guide structure (20), wherein there is an offset between the first position and the second position in the vertical direction (H) and in the insertion direction (E).

Description

Technical Field

[0001] This invention relates to a towing seat, a towing seat connection system, a commercial vehicle, and a combination of commercial vehicles. Background Technology

[0002] Tractor coupling structures are known. These are used to connect a tractor unit to a trailer in a force-locking manner. To also provide an energy connection or information link between the tractor unit and the trailer, automatic coupling systems are known, which include plugs for automatic connection of the tractor unit and the trailer. These systems typically include plugs that are movable by means of a drive. However, the plugs can only move parallel to or perpendicular to the kingpin. As a result, particularly the yaw or pitching motion of the vehicle, high mechanical forces are applied to the plug connection, and / or such movement is blocked or becomes difficult by the connected plug. Summary of the Invention

[0003] Therefore, the present invention is based on the objective of providing a system for energy and / or information transmission that can be quickly and easily connected without hindering or impeding the pitch movement of the vehicle to be connected.

[0004] The above-mentioned objectives are achieved by the towing seat according to claim 1, the towing seat coupling system according to claim 10, the commercial vehicle according to claim 14, and the commercial vehicle component according to claim 15. Further features, embodiments, and advantages can be obtained from the dependent claims, the specification, and the drawings.

[0005] According to the present invention, a towing seat is provided. Preferably, the towing seat includes a towing seat plate, a plug, a driver, and a guide structure for the plug, wherein the towing seat plate has a semi-trailer surface, wherein the semi-trailer surface has an outwardly pointing normal, wherein the outwardly pointing normal is at least substantially parallel to the vertical direction, wherein the towing seat plate has an insertion opening, wherein the insertion opening extends in the insertion direction, wherein the plug is movable from a first position, particularly a retracted position, to a second position, particularly an extended position, by the driver, wherein the plug is guided from the first position to the second position and / or from the second position to the first position by the guide structure, wherein there is an offset between the first position and the second position in the vertical direction and in the insertion direction. The towing seat is configured to be configurable on a tractor unit. The towing seat is used to allow the kingpin, etc., of a towed vehicle or trailer to be received and engaged therewith, thereby allowing traction force to be transmitted between the towing seat and the kingpin and / or between the tractor unit and the towed vehicle or trailer. The towing seat includes a towing seat plate for this purpose. The towing seat plate has a semi-trailer surface. This semi-trailer surface is intended to serve as a surface where the semi-trailer or the towed vehicle can be parked. In other words, the semi-trailer surface can be used to support the trailer or as a support surface for the trailer. The semi-trailer surface has an outward-pointing normal. This outward-pointing normal points to the vertical direction and / or is parallel to or at least substantially parallel to the vertical direction. "Substantially parallel" should be understood to mean that the two related directions are allowed to form an angle of up to 10°, preferably up to 5°, particularly preferably up to 3°, and very particularly preferably up to 1° relative to each other. Alternatively or additionally preferably, "substantially parallel" can also be understood to mean that the two related directions are parallel to each other within normal tolerances, particularly manufacturing tolerances. The drawbar specifically has an insertion opening. The insertion opening is an opening through which the kingpin is guided and engaged in the drawbar. Advantageously, the insertion opening is designed such that the insertion opening is configured or formed between two corners of the drawbar. In the mounted state of the drawbar or drawbar at the tractor, the insertion direction can be at least substantially parallel to the rearward and / or forward travel direction. The insertion direction is advantageously perpendicular to the vertical direction. The lateral direction is advantageously perpendicular to the plane spanned by the vertical and insertion directions. In other words, the vertical, insertion, and lateral directions can form a Cartesian coordinate system with each other. In the mounted or ideally aligned state of the towing seat plate, the vertical direction can point at least substantially parallel to the vector of gravitational acceleration. However, the lateral direction is particularly oriented parallel to the width direction of the tractor and / or trailer. In other words, in the mounted state, the insertion direction can point forward and backward, the vertical direction can point upward and downward, and the lateral direction can point to the right and left. The plug of the towing seat according to the invention can be moved by an actuator, particularly from a first position to a second position and / or from a second position to a first position.In other words, the actuator is thus used to move and / or rotate the plug. The actuator is advantageously configured within a housing to protect it from external influences. This housing is advantageously configured at the traction seat plate. Advantageously, the plug also has a housing. The housing of the plug and the housing of the actuator are advantageously different housings. The first position can also be referred to in particular as the retracted position, and the second position can also be referred to in particular as the extended position. In the retracted position, the plug is specifically configured or positioned relative to the traction seat plate such that the plug is currently not mating with or cannot mating with the complementary plug of the coupling mating member, particularly the traction seat mating member. However, in the second or extended position, the plug is configured to mate with the complementary plug of, particularly the traction seat mating member, for information linking or energy connection. In other words, the plug can be designed to be movable and / or rotatable by the actuator from a position in which a plug connection has not yet been established with the plug to a position where the plug can or may be mated with a suitable complementary plug for the plug. Thus, for example, the plug of the traction seat cannot enter the plug connection due to the approach of the mating member to be coupled. Instead, the traction seat can only enter the plug connection when the plug is moved by the actuator. Due to this design, in particular, the reliability of the plug connection can be improved, and / or damage to the plug and complementary plug at the plug can be avoided due to unintentional approach and / or excessively rapid approach of the mating parts to be connected, especially the pull seat and kingpin. During the movement from the first position to the second position and / or from the second position to the first position, the plug is guided by a guiding structure. "Guiding" should be understood in particular as meaning that the spatial alignment and position of the plug can be determined by the guiding structure. In other words, the guiding structure, which can be, for example, a guide rail, guide rod, or guide groove, determines the instantaneous alignment and position of the plug during the movement from the first position to the second position and / or from the second position to the first position. The pull seat is designed such that there is an offset in the vertical direction and the insertion direction between the first and second positions. In other words, the plug of the pull seat is translated or moved between the first and second positions in both the vertical direction and the insertion direction. However, rotation, particularly about the lateral direction, can also be performed by the plug between the first and second positions. Regarding the determination of the offset or displacement, the relevant aspect is, in particular, the center of gravity of the plug relative to the center of gravity of the entire pull seat and / or pull seat plate. The offset in the vertical and / or insertion directions is particularly large, causing the offset to extend beyond typical clearance and / or position tolerances. In other words, the offset in the vertical and / or insertion directions can therefore be at least 2 mm, preferably at least 10 mm, particularly preferably at least 4 cm, further particularly preferably at least 10 cm, and even more particularly preferably at least 15 cm.Due to the offset of the plug in the vertical and insertion directions, the plug can be designed to not obstruct and / or only slightly obstruct the pitch movement of the tow seat relative to the tow seat mating member to be connected or the tow seat mating member in the inserted state. Consequently, vehicle yaw or pitch movements do not exert or only slightly apply mechanical force to the plug connection and / or tow seat plate and / or guide structure. Furthermore, this design also allows for a particularly space-saving yet secure connection between the plug and its complementary plug.

[0006] Advantageously, the actuator is an electric motor or a lifting cylinder. With the aid of an electric motor, a particularly simple power supply system and plug movement or transfer that can be particularly well controlled using a closed-loop or open-loop system can be achieved. Advantageously, the electric motor can be a stepper motor, thereby enabling simple and precise movement of the plug. By designing the actuator as a lifting cylinder, particularly a double-acting lifting cylinder, a particularly compact configuration for implementing plug movement can be achieved, thus saving valuable installation space due to this configuration. The lifting cylinder or double-acting lifting cylinder can particularly be designed as a hydraulic cylinder. Due to the arrangement of the hydraulic lifting cylinder, particularly the actuator or plug, particularly compact yet powerful movement can be achieved. Alternatively or more preferably, the lifting cylinder can also be a pneumatic lifting cylinder. Because the lifting cylinder, particularly the double-acting lifting cylinder, is designed as a pneumatic cylinder, environmental impact or degradation can be reduced and / or even prevented, especially in the event of leakage.

[0007] Advantageously, the guide structure is specifically fixedly connected to and / or secured to the traction seat plate. Due to the connection and / or particularly robust fixation of the guide structure at the traction seat plate, a particularly reliable possibility of guiding and / or supporting and / or installing the guide structure can be established. Furthermore, due to this configuration, particularly in the case of rotational mounting of the traction seat plate, for example, about the lateral direction, it also allows for automatic guidance of the guide structure together with the traction seat plate. "Connected state" should be understood as the guide structure being indirectly or directly disposed at the traction seat plate such that the guide structure is supported on the traction seat plate in a force-locked manner. In other words, in the "connected state," the guide structure can thus specifically introduce its supporting force into the traction seat. "Fixed state" should be understood as the guide structure being mechanically, particularly rigidly, connected to and / or directly connected to or secured to the traction seat plate. For example, such fixation can be achieved by means of an integrally connected, force-locked, and / or form-locked fixation.

[0008] Advantageously, the guide structure is supported by a rubber bracket, and / or the guide structure has a rubber-containing coating. As a result, when the plug is connected to a complementary plug element, particularly a complementary plug for the plug, compensation is possible, thereby preventing and / or reducing damage. In cases where there is a rubber-formed or rubber-containing element in the force flow between the guide structure and the element supporting the guide structure, a rubber bracket is advantageously provided, wherein the rubber element or rubber-containing element performs the basic support function of the guide structure. This basic support function is provided in cases where, particularly, 15%, preferably 25%, especially preferably 50%, very particularly preferably 90% of the force to be supported is guided in its force flow by the rubber element or rubberized element. Advantageously, the rubber-containing coating on the guide structure is disposed in the area of ​​the guide plug. In other words, the guide surface of the guide structure can therefore be coated with a rubber-containing coating. Advantageously, particularly at least 20%, preferably at least 50%, especially preferably 70% of the coating by volume percentage or weight percentage is formed of rubber.

[0009] Advantageously, the guiding structure includes a guide rail or guide rail structure. Due to the arrangement of the guide rail or guide rail structure, particularly good and reliable guidance can be achieved, which also facilitates easy maintenance and / or cleaning. Optionally or more preferably, the guiding structure may also include a guide groove or guide groove structure. The advantage of the guide groove structure is that, in particular, the risk of injury can be reduced.

[0010] In an advantageous embodiment, the guide structure, particularly the guide rail or guide rail structure, is partially, preferably entirely, formed from a sheet of metal. Because a sheet of metal is used to form the guide rail or guide rail structure, particularly cost-effective and simple manufacturing can be achieved. Furthermore, the use of a sheet of metal allows the guide structure itself to possess a degree of flexibility and compensatory capability, thereby preventing damage to the plug and complementary plug elements or complementary plugs, especially when certain tolerances must be compensated during insertion.

[0011] Advantageously, the plug includes a guide device via which it is guided at the guide structure. In other words, the plug may include elements and / or means that guide the plug in a form-locking manner, particularly by cooperating with the guide structure. Due to this design of the plug, particularly good support of the plug can be achieved due to direct support and direct guidance of the plug at the guide structure via the guide device.

[0012] Advantageously, the guiding device includes at least one, preferably at least three, support elements. These support elements are used to support the plug relative to the guiding structure. For example, the support elements can be protrusions or pins. Due to the provision of support elements, a particularly compact and reliable support can be achieved.

[0013] This support, particularly by means of a support element, can be configured such that the plug has a gap relative to the guide structure, especially in the vertical direction. In other words, for example, the plug may have a gap of at least 1 mm, preferably at least 2 mm, particularly preferably at least 3 mm, and very particularly preferably at least 4 mm relative to the guide structure in the vertical direction. Alternatively or even more preferably, the plug may also be guided at the guide structure, particularly by a guide device, such that the plug has an inclined gap, wherein this inclined gap may particularly be a rotational gap about a transverse axis.

[0014] Advantageously, the traction seat is designed to have at least three support areas by which the plug rests or can rest at the guide structure. Advantageously, these support areas are formed by support elements.

[0015] Advantageously, in other words, the plug thus has at least three support surfaces, wherein the plug may have gaps relative to the guide structure, particularly in the vertical direction, and wherein the plug may tilt relative to the guide structure, particularly in a manner that allows rotation about the lateral direction.

[0016] Advantageously, at least one support element is vertically disposed on one side of the guide structure, and at least one additional support element is vertically disposed on the other side of the guide structure. This enables particularly reliable guiding of the plug.

[0017] Advantageously, the guide structure is designed such that the guide device has rolling elements. These rolling elements can also be referred to as roller elements. Rolling elements are in particular balls or other elements that roll on the guide structure during the movement of the plug from the first position to the second position. Due to this rolling motion, friction between the guide device and the guide structure can be reduced in particular, thereby reducing energy loss, and therefore, the size of the drive can be very small.

[0018] Advantageously, the plug, and particularly the guide device, has at least one, preferably at least three rollers. The use of multiple rollers or even a single roller reduces friction, while simultaneously achieving low surface contact pressure, and thus enabling long-life and mechanically reliable support of the plug relative to the guide structure. Advantageously, the rollers are formed or configured at the plug, and particularly as part of the plug's guide device. As a result, a particularly compact and simple design of the plug and its guide device can be achieved.

[0019] Advantageously, at least one roller, preferably all rollers, has a running surface or is primarily made of rubber. Because the running surface of the roller is made of rubber or primarily of rubber, the roller itself can provide a certain degree of compensating movement, thereby reducing mechanical damage to the plug element during plug jamming or insertion or removal. The running surface of the roller, in particular the outer peripheral surface of the roller and / or the surface of the roller that contacts the guide structure, especially the guide surface of the contact guide structure.

[0020] Advantageously, the traction seat has two guide structures, both of which mate with the plug, specifically each guide structure engaging with a guide device of the plug. Due to the arrangement of two guide structures and / or two guide devices spaced apart from each other, particularly in the lateral direction, particularly reliable guidance can be achieved. Advantageously, the guide devices, guide structures, and / or plug can be designed such that the features, embodiments, and advantages described above regarding the plug, guide devices, and guide structures can be realized in one and / or both of these guide devices and guide structures. Advantageously, the guide structures and guide devices are spaced apart from each other in the lateral direction by at least 5 cm, particularly preferably by at least 10 cm. Advantageously, the guide devices and / or guide structures are formed equally to each other in the lateral direction. "Equally to each other" should be understood as meaning that the projections of the guide structures and / or guide devices onto a plane perpendicular to the lateral direction and / or formed by the insertion direction and the vertical direction are equal to each other. In other words, therefore, the guide devices, guide structures, and / or plug can be designed identically on both the right and left sides.

[0021] Advantageously, the plug has a connection region via which it is connected to the driver, wherein the connection region is particularly formed by an elongated aperture. The connection region of the plug is used to receive forces and / or torques from the driver, thereby enabling movement or transfer of the plug between and / or from a first position and a second position. The connection region may particularly be formed in the distal region of the plug in the insertion direction. Advantageously, the connection region is located in the center or central region of the plug in the lateral direction. To achieve particularly easy manufacturing and still reliable transfer of the plug, the connection region should be formed by and / or have an elongated aperture. This elongated aperture is particularly connected to the driver via bolts, screws, or rivets.

[0022] Preferably, the traction seat includes a clamping device and / or a stop, wherein the clamping device and / or the stop is capable of fixing and / or holding the plug in a first position in the vertical direction and / or the insertion direction. Because of the clamping device and / or the stop that can fix and / or hold the plug in a first position in the vertical direction and / or the insertion direction, unintentional movement during the driving operation of the traction seat can be avoided and / or reduced. Furthermore, this configuration can reduce the vibration load on the plug, thereby increasing the plug's service life.

[0023] Advantageously, the plug includes at least one guide tip, preferably two guide tips, and / or guide elements or guide surfaces, wherein one or more guide tips may form a distal region of the plug in the insertion direction, and / or wherein the guide tips may be spaced apart from each other in the lateral direction. Due to the guide tips, fine positioning of the plug can be achieved, particularly immediately before the plug enters into contact with the complementary plug. Advantageously, the complementary plug therefore has a concave guide element, thereby enabling the guidance and reception of the guide tips. The guide element or guide surface may be a structure or configuration for aligning or guiding the plug during insertion into the complementary plug. Advantageously, the guide tip may be an example of a guide element.

[0024] Preferably, the guide structure has a tilt angle, particularly within the range of 0° to 25°, preferably within the range of 0° to 20°, and most preferably within the range of 0° to 16°. The tilt angle should be understood as a local angle between the projection of the guide surface or guide element of the guide structure and the insertion direction. The projection occurs on a plane spanned by the vertical direction and the insertion direction. However, the relevant angle is always a small angle formed by the projection of the guide surface or guide element of the guide structure and the insertion direction. With a tilt angle within the range of 0° to 25°, the guide structure can be made particularly cost-effective and simple to manufacture. With a tilt angle within the range of 0° to 20°, a particularly compact and space-saving guide structure can be achieved. If the tilt angle is maintained within the range of 0° to 16°, particularly good possibilities for continuous pitch movement of the vehicle can be achieved, especially relative to the towed vehicle, and typical pitch movement produces particularly low loads on the plug, especially in the plug's inserted state.

[0025] Advantageously, the guide structure has a maximum tilt angle, particularly within the range of 5° to 25°, preferably within the range of 10° to 20°, and especially preferably within the range of 12° to 16°. The maximum tilt angle of the guide structure is the largest possible tilt angle of the guide structure. This tilt angle must be greater than 0°; otherwise, it cannot be considered a maximum tilt angle. However, the relevant aspect is specifically only the area of ​​the guide structure that contacts the plug during the movement of the plug from the first position to the second position and / or from the second position to the first position. With a maximum tilt angle within the range of 5° to 25°, a particularly cost-effective and simple manufacturing of the guide structure can be achieved. With a maximum tilt angle within the range of 10° to 20°, a particularly compact and space-saving guide structure is produced. If the maximum tilt angle is within the range of 12° to 16°, then particularly little obstruction to pitch angle movement can be achieved.

[0026] Advantageously, the guide structure has a variable tilt angle. A variable tilt angle should be understood as meaning that the tilt angle is variable or alternating along the guide structure. Due to the gradual change in tilt angle, gradual pivoting or movement of the plug element can be achieved, so that when the plug moves rapidly, only a small acceleration force acts on the plug, thereby increasing the plug's service life and / or reducing the mechanical load on the plug.

[0027] Advantageously, the guide structure includes portions equipped with a constant tilt angle, preferably multiple portions. In other words, the guide structure may include portions with a constant tilt angle. Due to the design of the guide structure with a constant tilt angle, the manufacture of the guide structure can be made particularly simple.

[0028] Advantageously, the guide structure has a profile that monotonically increases particularly in the vertical direction and / or a tilt angle that monotonically increases particularly along its contour. The contour of the guide structure is particularly determined from the first position to the second position. Advantageously, the main contour of the guide structure is formed to have an increasing contour and / or an increasing tilt angle in the vertical direction. In other words, at least 50%, preferably at least 70%, of the contour of the guide structure is formed to increase in the vertical direction. As a result, particularly simple and rapid movement or transfer of the plug in the vertical direction with low acceleration can occur. Due to the monotonically increasing contour and / or tilt angle of the guide structure in the vertical direction, particularly along the contour of the guide structure, particularly low acceleration of the plug along the guide structure can be achieved during the movement of the plug from the first position to the second position and / or from the second position to the first position. In other words, due to the monotonically increasing contour and / or tilt angle in the vertical direction, particularly along the contour of the guide structure, particularly non-directional transfer from the first position to the second position and / or from the second position to the first position can be achieved. Furthermore, due to this design of the guide structure, a particularly cost-effective design can also be achieved.

[0029] Advantageously, the plug has a cover, which is particularly passive. The cover of the plug is used to cover the plug elements and / or the information and / or energy line contacts of the plug relative to external influences. In other words, the plug can have a cover that prevents the elements from being inserted into the plug connection and / or plug elements in the covered position, and allows the elements to be inserted into the plug or inserted together with the plug in the uncovered position. Due to the cover, the environmental impact on the plug can be reduced, thereby increasing the durability of the plug. Advantageously, the cover is designed to be passive. “Passive cover” can be particularly understood as the cover being pushed or moved due to direct or indirect contact between the cover and the complementary plug and / or contact between the plug and the complementary plug. In other words, in a passive design, the cover can therefore not be directly pushed by an actuator. Due to this only indirect actuation or movement of the cover, a particularly compact and reliable cover can be achieved. This is because the cover is only moved when there is actually a complementary plug for the plug. Optionally preferably, the cover can also be active. “Active cover” can be particularly understood as the cover being directly moved by an actuator.

[0030] Another aspect of the invention relates to a tow seat coupling system, particularly comprising a tow seat and a tow seat coupling mating member as described in the context. The tow seat coupling mating member is a coupling mating member configured to be coupled to or capable of being coupled to a tow seat. The tow seat coupling mating member particularly includes a kingpin, wherein the kingpin extends in a kingpin direction, wherein the kingpin direction is at least substantially parallel to the vertical direction, particularly in the coupled state, wherein an extension arm is pivotally disposed about the kingpin at the tow seat coupling mating member, wherein a complementary plug is disposed at the extension arm, wherein the complementary plug is configured to be insertable to form a plug connection with a plug of the tow seat. The tow seat coupling mating member can particularly be part of a semi-trailer and / or a separate element or assembly that can be mounted on a semi-trailer. The tow seat coupling mating member particularly includes a kingpin, wherein the kingpin advantageously extends in a kingpin direction, wherein the outer peripheral surface of the kingpin is advantageously formed rotationally symmetrically about the kingpin direction. Advantageously, at least in the coupled state, the kingpin direction can be parallel to the vertical direction and / or parallel to an outwardly pointing normal orientation of the semi-trailer's surface. The extension arm is specifically mounted at the towing saddle coupling mating member, thereby enabling rotation about the kingpin, particularly in the kingpin direction. In other words, the towing saddle coupling mating member may also include an extension arm mounted to be pivotable about the kingpin, particularly in the kingpin direction. A complementary plug is configured or mounted at the extension arm, wherein, particularly in the inserted state, the complementary plug is designed to be complementary to the plug, thereby enabling the plug and the complementary plug to establish an energy conduction connection and / or information link. In other words, the complementary plug can thus enter into a plug connection with the plug of the towing saddle. Due to the rotatable mounting of the extension arm, particularly its ability to rotate about the kingpin direction, a particularly simple alignment of the extension arm can be implemented. Optionally or additionally preferably, the complementary plug may also be rotatably mounted at the extension arm, wherein the direction of rotation, in the coupled state, is particularly at least substantially parallel to the lateral direction, preferably oriented parallel to the lateral direction.

[0031] Preferably, the complementary plug, in its inserted state, forms an angle of not equal to 0° and not equal to 90° with the vertical direction and the insertion direction. The orientation of the complementary plug is specifically the direction that the plug must take to be inserted into the complementary plug. In other words, the orientation of the complementary plug is therefore the direction that the hypothetical plug must take to be inserted into the plug, thereby enabling the establishment of an energy connection and / or information link between the complementary plug and the hypothetical plug. Due to the 0° and 90° orientation design, a particularly compact and simple connection between the complementary plug and the plug can be achieved, and additionally, particularly good resistance to pitch and yaw vibrations between the tractor and the towed vehicle or between the tow seat and the tow seat coupling mating parts can be achieved.

[0032] In a preferred embodiment, and advantageously, the complementary plug includes a cap, wherein the cap is particularly passive. Due to the passive design of the cap, particularly energy-efficient and reliable concealment of the complementary plug can be achieved. Similar to a plug cover, the cap of the complementary plug is used to keep environmental impacts away from the sensitive integral parts of the complementary plug, particularly away from the energy-conducting contacts and / or information-transmitting contacts.

[0033] Advantageously, the extension arm is mirror-symmetric with respect to the plane. Therefore, cost-effective manufacturing of the extension arm is possible. Advantageously, especially in the coupled state, the plane of symmetry coincides with the plane spanned by the vertical direction and the insertion direction.

[0034] Advantageously, the extender arm has two wings, wherein the complementary plug can be specifically configured between and / or at the wings. Because of the two wings located at or within the extender arm, a particularly cost-effective and lightweight structure can be achieved. Furthermore, the fixation and configuration of the complementary plug at the wings allows for compact yet mechanically reliable support of the complementary plug. If the plug is configured between the wings of the complementary plug, the wings can provide a degree of mechanical protection to the complementary plug, thereby improving the operational reliability of the traction seat coupling system.

[0035] Advantageously, the wings are at least partially configured in a V-shape relative to each other. In other words, the wings can extend toward each other in an arrow shape. Advantageously, the V-shape or arrow direction points toward the kingpin. Due to this design, the insertion opening of the traction seat plate can be used to achieve a secure connection or mating of the plug and complementary plug by aligning the extension arms or wings.

[0036] Another aspect of the invention relates to a commercial vehicle, particularly a tractor, wherein the commercial vehicle may specifically include a towing seat as described in the context.

[0037] Another aspect of the invention relates to a commercial vehicle assembly comprising a commercial vehicle as described above and, in particular, a commercial trailer. A tow hitch is specifically mounted on the first commercial vehicle as described in the context, and / or the commercial vehicle includes such a tow hitch, and / or the other commercial vehicle, in particular the commercial trailer as described in the context, may include or form a tow hitch coupling mating element. In other words, as described in the context, a tow hitch coupling system may be provided in the commercial vehicle assembly and / or mounted on each commercial vehicle. Advantageously, the commercial trailer is a semi-trailer. Attached Figure Description

[0038] Further advantages and features of the invention can be obtained from the following description with reference to the accompanying drawings. The various features disclosed in the illustrated embodiments can also be used in other embodiments, unless explicitly excluded. In the drawings:

[0039] Figure 1 A side view of the traction seat is shown;

[0040] Figure 2 and Figure 3 A cross-sectional view of the traction seat is shown;

[0041] Figure 4 A side view of the traction seat and traction seat connection system is shown;

[0042] Figure 5 This is another implementation scheme for the traction seat connection system; and

[0043] Figure 6 A perspective view of the traction seat plate and the extension arm is shown. Detailed Implementation

[0044] Figure 1 The image shows a towing seat 1. The towing seat 1 includes a towing seat plate 10 forming a semi-trailer surface 12. The semi-trailer surface 12 has an outward-pointing normal N12. This outward-pointing normal N12 is parallel to the vertical direction H. The vertical direction H is perpendicular to the insertion direction E. Figure 1 The lateral direction is not shown, but it is perpendicular to the insertion direction E and / or perpendicular to the vertical direction H. The insertion direction E specifically refers to the kingpin, which must be inserted into the insertion opening 14 of the traction seat plate 10. Figure 1 (Not visible in the middle) the direction for entering the connection position. The guide structure 20 is fixed to the traction seat plate 10. The plug 50 is guided by the guide structure 20, particularly via the roller 54. The guide structure 20 is formed as a guide rail structure. In order to move the plug 50 from the first position to the second position, the traction seat 1 has an actuator 60, which is fixed to the plug 50 via the connection area 56 of the plug 50. The plug 50 is used, particularly in the second position, for plug connection with the complementary plug 140. The plug 50 is mounted on the extension arm 120, wherein the complementary plug 140 is at least partially located between the wings 122 of the extension arm 120.

[0045] Figure 2 A detailed diagram of the traction seat 1 is shown. Specifically, Figure 2 The detailed areas shown can correspond to Figure 1 The area marked with a circle. For example... Figure 2It is evident that the plug 50 has an elongated hole 58 in its connection area 56, through which the plug 50 can receive force from the driver 60. The plug 50 is guided at the guide structure 20 via a guide device. The guide device includes at least three rollers 54, each roller having a running surface formed of rubber. The rollers 54 are used to support the plug 50 relative to the guide structure 20. The guide structure 20 has two tilt angles W1. Figure 2 In the position shown, plug 50 is in the first position, so plug 50 cannot or is not intended to engage with a complementary plug in that position. Plug 50 includes a cover 59 and a laterally configured guide tip 70.

[0046] Figure 3 A detailed diagram of the traction seat 1 is also shown, wherein the traction seat 1 is in the second position and the plug 50 of the traction seat 1 is in the second position. In other words, Figure 3 The situation depicted in the diagram corresponds to the inserted plug. From Figure 2 and Figure 3 In the comparison, it is clear that plug 50 has moved from the first position to the second position in both the vertical direction H and the insertion direction E. In principle, Figure 3 The situation represented in the middle can be compared with... Figure 2 The situation and / or Figure 1 The detailed areas are consistent.

[0047] Figure 4 Another embodiment of the traction seat 1 according to the invention is shown. The traction seat 1 also includes a traction seat plate 10, a plug 50, an actuator 60, and a guide structure 20. The guide structure 20 is fixedly connected to and secured to the traction seat plate 10. The guide structure 20 may be at least partially made of a metal sheet. The plug 50 also includes a cover 59 configured to relocate a cap 142 of the complementary plug 140. Figure 4 In the middle, the plug and the traction seat 1 are in the first position.

[0048] Figure 5 Another embodiment of the traction seat 1 is shown, which in principle can be connected with... Figure 4 The implementation schemes shown are consistent; however, in which... Figure 5 In this position, plug 50 is in the second position, which may also be referred to as the insertion position or plug-in position.

[0049] Figure 6A perspective view of the traction seat plate 10 of the traction seat 1 is shown, wherein the extension arm 120 of the traction seat coupling mating member is located in the insertion opening 14 of the traction seat plate 10. The insertion opening 14 extends in the insertion direction E. The extension arm 120 has two wings 122, which are designed to be V-shaped relative to each other in cross-section. A complementary plug 140 is located between the wings 122 and is rotatably mounted on the wings 122.

[0050] List of reference numerals

[0051] 1-Traction Seat

[0052] 10-Traction Seat Plate

[0053] 12-Surface for semi-trailers

[0054] 14-Insert Opening

[0055] 20-Guiding Structure

[0056] 50-plug

[0057] 54-roller

[0058] 56-Connection Area

[0059] 58- Slender hole

[0060] 59-Lid

[0061] 60-Driver

[0062] 70-Guide Tip

[0063] 120-Extendable Arm

[0064] 122-wing

[0065] 140-Complementary Plug

[0066] 142-block

[0067] E - Insertion direction

[0068] H - Vertical direction

[0069] N12 - The outward-pointing normal of the surface for semi-trailers.

[0070] W1 - Inclination Angle

Claims

1. A traction seat (1) comprising a traction seat plate (10), a plug (50), a driver (60), and a guide structure (20) for said plug (50), The towing seat plate (10) has a surface (12) for semi-trailers. The semi-trailer surface (12) has an outward-pointing normal (N12). The outward-pointing normal (N12) is parallel to the vertical direction (H). The traction seat plate (10) has an insertion opening (14). The insertion opening (14) extends in the insertion direction (E). The plug (50) is movable from a first position, i.e., a retracted position, to a second position, i.e., an extended position, via the driver (60). The plug (50) is guided from the first position to the second position and / or from the second position to the first position via the guide structure (20). There is an offset between the first position and the second position in the vertical direction (H) and the insertion direction (E). The guide structure (20) mentioned therein includes a guide rail or a guide rail structure.

2. The traction seat (1) as described in claim 1, The drive (60) mentioned therein is an electric motor or a lifting cylinder.

3. The traction seat (1) as described in claim 1 or 2, The guide structure (20) is fixedly connected to and / or fixed to the traction seat plate (10).

4. The traction seat (1) as described in claim 3, The plug (50) includes a guide device. The plug (50) is guided at the guide structure via the guide device.

5. The traction seat (1) as described in claim 4, The guiding device includes at least one support element (54). The support element can be formed as a roller element.

6. The traction seat (1) as described in claim 5, The guiding device includes at least one roller (54).

7. The traction seat (1) as described in claim 1 or 6, The plug (50) has a connection area (56). The plug (50) is connected to the driver (60) via the connection area (56). The connection area (56) is formed by an elongated hole (58).

8. The traction seat (1) as described in claim 1 or 7, The traction seat (1) has a clamping device and / or a stop. The clamping device and / or stop are capable of fixing and / or holding the plug (50) in a first position in the vertical direction (H) and / or the insertion direction (E).

9. The traction seat (1) as described in claim 1 or 8, The plug (50) has at least one guide tip (70). The guide tip (70) forms the distal region of the plug (50) in the insertion direction (E).

10. The traction seat (1) as described in claim 1 or 9, The guide structure (20) has an inclination angle (W1) in the range of 0° to 25°.

11. The traction seat (1) as described in claim 1 or 10, The plug (50) has a cover (59). The cover (59) mentioned therein is passive.

12. A traction seat coupling system comprising a traction seat (1) as described in any of the preceding claims and a traction seat coupling mating member, The traction seat coupling assembly includes a kingpin. The kingpin extends in the kingpin direction. The kingpin direction, in the connected state, is at least approximately parallel to the vertical direction (H). The extension arm (120) is pivotally disposed around the kingpin at the traction seat coupling mating member. in, The complementary plug (140) is disposed at the extension arm (120). The complementary plug (140) is configured to be insertable to form a plug connection with the plug (50) of the traction seat (1).

13. A commercial vehicle, said commercial vehicle being a tractor, comprising a towing seat (1) as claimed in any one of claims 1 to 11.

14. A commercial vehicle assembly comprising the commercial vehicle and commercial trailer as described in claim 13, The commercial vehicle component includes the towing seat coupling system as described in claim 12.

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