Exchangeable component
Patent Information
- Authority / Receiving Office
- EP · EP
- Patent Type
- Applications
- Current Assignee / Owner
- DAIMLER TRUCK AG
- Filing Date
- 2024-06-10
- Publication Date
- 2026-04-15
AI Technical Summary
In vehicles, especially electrified ones, interchangeable components like air dryer cartridges are difficult to access due to limited space and wiring, often causing tools to detach during replacement, leading to potential damage.
A replaceable component with a housing featuring a lateral surface and end face, equipped with an engagement structure that includes an undercut for positive tool engagement, allowing for coupled movement along the longitudinal axis, and a tool with a shaft and engagement element designed to fit within the undercut, ensuring secure assembly and disassembly without tool detachment.
The solution enables secure engagement of the replaceable component with the tool, preventing it from falling or causing damage during assembly and disassembly, even in hard-to-reach locations, thus protecting sealing surfaces and threads.
Smart Images

Figure EP2024065866_19122024_PF_FP_ABST
Abstract
Description
[0001] Replaceable component
[0002] The invention relates to a replaceable component according to the preamble of claim 1 and to an arrangement comprising such a replaceable component and a tool according to the preamble of claim 7 or 9.
[0003] Vehicles often have replaceable components, such as filter cartridges or air dryer cartridges, which are more or less easily accessible for replacement.
[0004] In many vehicles, such as electrified vehicles, there is limited space for such replaceable components due to additional components and their wiring. This can make these components particularly difficult to access.
[0005] For example, an air dryer cartridge may have a hexagonal head that can be engaged with a wrench, such as a socket, to tighten or loosen it. If an air dryer cartridge is located in a difficult-to-access location, the socket detaches from the hexagonal head, leaving the air dryer cartridge in place.
[0006] DE 103 09442 A1 describes an oil filter assembly with a housing having a receiving space for a filter element insertable into the housing, and with a housing cover closing the receiving space. Unfiltered crude oil can flow through the filter element in the radial direction and has a drain opening for filtered oil on its lower end face in the installed position. The filter element is sealed against the receiving space and the housing on the lower end face, and the entire upper end face of the filter element is sealed against the receiving space by a cover on the filter element side that is formed separately from the cover. The invention is based on the object of specifying a novel replaceable component and an assembly comprising such a replaceable component and a tool.
[0007] The object is achieved according to the invention by an exchangeable component having the features of claim 1 and by an arrangement comprising such an exchangeable component and a tool having the features of claim 7 or 9.
[0008] Advantageous embodiments of the invention are the subject of the subclaims.
[0009] A replaceable component is proposed, comprising a housing with a lateral surface and an end face, wherein the housing is configured to be fastened to a module by a rotary movement with an at least partially open side opposite the end face, wherein an engagement structure is arranged on or at the end face, which engagement structure has at least one undercut for the positive engagement of a tool. According to the invention, the undercut and / or the tool are / is designed such that, after engaging in the undercut, the tool is coupled to the replaceable component for a joint movement in the direction of a longitudinal axis of the replaceable component.
[0010] The at least partially open side can, for example, be provided with a thread to allow the replaceable component to be screwed onto a module with a matching mating thread. In other embodiments, locking geometries that can generally be connected by a rotating movement can also be provided, e.g., bayonet locks or fan locks.
[0011] In one embodiment, the engagement structure may further comprise one, two or more stop surfaces for positive engagement of the tool, such that the tool, after engagement with the one, two or more stop surfaces, is coupled to the replaceable component for joint rotation about the longitudinal axis of the replaceable component.
[0012] In one embodiment, the engagement structure has the shape of a bridge with two ends arranged on the end face, with a central section offset relative to these ends being arranged between the ends to form the undercut. The central section is thus arranged at a distance from the end face and thus forms the undercut or an undercut on its side facing the end face.
[0013] The engagement structure can be formed, for example, by welding, riveting, soldering, brazing, gluing, screwing or by being formed integrally with the end face.
[0014] In one embodiment, the offset is formed by sections projecting away from the end face, which sections can be configured as stop surfaces for the tool, wherein the sections projecting away from the end face can be convexly shaped towards the undercut.
[0015] In one embodiment, an opening is provided to form the undercut or an undercut in the central section, which opening is configured to be engaged by a tool designed as an expanding tool.
[0016] In one embodiment, respective tabs are provided at the opening towards the ends of the bridge, which are bent obliquely away from the end face and towards the longitudinal axis of the replaceable component.
[0017] The opening and / or the tabs thus form the undercut or an undercut.
[0018] In one embodiment, two opposite lateral edges of the central portion are bent at right angles or substantially at right angles away from the end face and thus form stop surfaces or the stop surfaces for the tool.
[0019] Furthermore, an arrangement is proposed, comprising at least one such replaceable component and one such tool.
[0020] The tool may comprise a shank having an engaging element arranged at one end of the shank, said engaging element having an engaging portion angled at right angles or substantially at right angles to a longitudinal axis of the shank, wherein the engaging portion is formed as a sheet metal or other flat element having a thickness and width such that the engaging portion fits into the undercut between the central portion and the end face, and that side surfaces of the engaging portion fit between and engage with the stop surfaces.
[0021] In one embodiment, the engagement element is arranged on the shaft in such a way that the longitudinal axis of the shaft is at least approximately aligned with the longitudinal axis of the replaceable component when the engagement section is fully inserted into the undercut.
[0022] In one embodiment, the tool comprises a shank having an engagement element arranged at one end of the shank, said engagement element having two opposing engagement edges for engaging the edges of the central portion, wherein the tool comprises a structure between the two engagement edges for engaging the undercut (formed by the opening and / or the tabs).
[0023] In one embodiment, the lateral surface forms at least approximately a cylindrical, prismatic or conical shape, at least in sections.
[0024] In one embodiment, the replaceable component is designed as an air dryer cartridge or a filter component, for example an oil filter.
[0025] In one embodiment, the replaceable component may be part of or used in a vehicle, such as a commercial vehicle, a bus, or a passenger car.
[0026] The positive connection between the replaceable component and the tool ensures that the replaceable component does not detach from the tool during assembly and / or disassembly, falls down and damages the module on which it is to be mounted, in particular sealing surfaces and threads.
[0027] Embodiments of the invention are explained in more detail below with reference to drawings.
[0028] Shown are: Fig. 1 a schematic view of a replaceable component, for example an air dryer cartridge,
[0029] Fig. 2 is a schematic view of the replaceable component with a tool,
[0030] Fig. 3 is a schematic view of the replaceable component with the tool when inserting an engagement portion into an undercut,
[0031] Fig. 4 is a schematic view of the replaceable component with the tool engaged with the undercut,
[0032] Fig. 5 is a schematic view of the replaceable component with the tool engaging the undercut and stop surfaces,
[0033] Fig. 6 is a schematic view of an alternative embodiment of the replaceable component,
[0034] Fig. 7 is a schematic view of the replaceable component of Figure 6 with a tool,
[0035] Fig. 8 is a schematic view of the replaceable component with the tool engaging an undercut, and
[0036] Fig. 9 is a schematic view of the replaceable component with the tool engaging stop surfaces.
[0037] Corresponding parts are provided with the same reference numerals in all figures.
[0038] Figure 1 is a schematic view of a replaceable component 1, for example an air dryer cartridge or a filter component, for example an oil filter.
[0039] The replaceable component 1 can be part of a vehicle, for example a commercial vehicle, a bus or a passenger car, or can be used in such a vehicle. The vehicle can be powered, for example, by an internal combustion engine and / or by at least one electric motor. The replaceable component 1 has, for example, a housing with a lateral surface 2 and an end face 3. The lateral surface 2 can, for example, at least in sections form at least approximately a cylindrical, prismatic or conical shape. Opposite the end face 3, the replaceable component 1 can have an at least partially open side, wherein the housing is configured to be fastened to a module by a rotary movement with the at least partially open side opposite the end face 3.The at least partially open side can, for example, be provided with a thread (not shown) to enable the replaceable component 1 to be screwed onto a module with a matching mating thread (not shown). In other embodiments, locking geometries that can generally be connected by a rotary movement can also be provided, e.g., bayonet locks or fan locks.
[0040] An engagement structure 4 is fastened on or at the end face 3, which engagement structure has at least one undercut 5 for the positive engagement of a tool shown in more detail in Figure 2, such that the tool, after engaging in the undercut 5, is coupled to the replaceable component 1 for a joint movement in the direction of a longitudinal axis A1. The engagement structure 4 can further have one, two or more stop surfaces 6 for the positive engagement of the tool, such that the tool, after engaging in the one, two or more stop surfaces 6, is coupled to the replaceable component 1 for a joint rotation about the longitudinal axis A1.
[0041] In the embodiment shown in Figure 1, the engagement structure 4 has the shape of a bridge having two ends 7 that are fastened to the end face 3, for example by welding, riveting, soldering, brazing, gluing, screwing, or by being formed integrally with the end face 3. The bridge further has a central section 8 arranged between the ends 7 and offset relative to them, which is thus arranged at a distance from the end face 3 and thus forms the undercut 5 on its side facing the end face 3. The offset is formed by sections 9 projecting away from the end face 3, which can serve as stop surfaces 6 for the tool.
[0042] Figure 2 is a schematic view of the replaceable component 1 with the tool 10. The tool 10 can, for example, have a shaft 11 with an engagement element 12 arranged at one end of the shaft 11, which engagement element has an engagement portion 13 that is angled, in particular at a right angle or substantially at a right angle, to a longitudinal axis A2 of the shaft 11. The engagement portion 13 can, for example, be formed as a sheet metal with a thickness and width such that the engagement portion 13 fits into the undercut 5 between the central portion 8 and the end face 3, and that side surfaces 14 of the engagement portion 13 fit between the stop surfaces 6. The engagement element 12 can be arranged on the shaft 11 in such a way that the longitudinal axis A2 of the shaft 11 is at least approximately aligned with the longitudinal axis A1 of the replaceable component 1 when the engagement section 13 is fully inserted into the undercut 5.
[0043] The sections 9 projecting away from the end face 3 can be convexly shaped towards the undercut 5 to form the stop surfaces 6.
[0044] In order to engage the tool 10 with the undercut 5, the tool 10 is moved in the direction of the replaceable component 1 with radially offset longitudinal axes A1, A2 of the replaceable component 1 and the shaft 11 until the engagement section 13 is at the same height as the undercut 5 and aligned for engagement therewith.
[0045] Figure 3 is a schematic view of the replaceable component 1 with the tool 10 during insertion of the engagement portion 13 into the undercut 5. From the position shown in Figure 2, the tool 10 is moved in a radial direction relative to the replaceable component 1 and the engagement portion 13 is inserted into the undercut 5.
[0046] Figure 4 is a schematic view of the replaceable component 1, with the tool 10 engaging the undercut 5. The longitudinal axes A1, A2 of the replaceable component 1 and the shaft 11 are at least approximately aligned with one another. The replaceable component 1 is now coupled to the tool 10 for joint movement in the direction of the longitudinal axes A1, A2. The replaceable component 1 can thus be lowered into an assembly position, for example, by guiding the shaft 11, especially when this assembly position is difficult to access.
[0047] Figure 5 is a schematic view of the replaceable component 1, with the tool 10 engaging the undercut 5 and the stop surfaces 6. By rotating the shaft 11, the stop surfaces 6 are engaged by the side surfaces 14 of the engagement portion 13, so that the replaceable component 1 is rotated together with the shaft 11 upon continued rotation, for example, for screwing or unscrewing the replaceable component 1.
[0048] Figure 6 is a schematic view of an alternative embodiment of the replaceable component 1. In this embodiment, the engagement structure 4 has the shape of a bridge having two ends 7 that are attached to the end face 3, for example by welding, riveting, soldering, brazing, gluing, screwing, or by being formed integrally with the end face 3. The bridge further has a central section 8 arranged between the ends 7 and offset relative thereto, which is thus arranged at a distance from the end face 3. In the central section 8, for example in its center, an opening 15, for example a rectangular opening, is provided, which can be engaged by a spreading tool. Towards the ends 7 of the bridge, tabs 16 can be provided on the opening 15, which can be bent away from the end face 3, for example obliquely to the longitudinal axis A1 of the replaceable component 1.The opening 15 and / or the tabs 16 thus form the undercut 5. Furthermore, two opposing lateral edges 17 of the central portion 8 can be bent away from the end face 3, for example at right angles or substantially at right angles, and thus form the stop surfaces 6 for the tool 10.
[0049] Figure 7 is a schematic view of the replaceable component 1 with the tool 10. The tool 10 can, for example, have a shaft 11 with an engagement element 12 arranged at one end of the shaft 11, which has two opposing engagement edges 18 for engagement with the edges 17 of the central portion 8. For example, the engagement element 12 can have a rectangular surface having the two engagement edges 18.
[0050] In order to engage the tool 10 with the undercut 5, the tool 10 is moved in the direction of the interchangeable component 1 with the longitudinal axes A1, A2 of the interchangeable component 1 and the shaft 11 aligned with one another until it engages the undercut 5 and the engagement edges 18 lie between the two edges 17.
[0051] Figure 8 is a schematic view of the replaceable component 1, with the tool 10 engaged with the undercut 5. The replaceable component 1 is now coupled to the tool 10 for joint movement in the direction of the longitudinal axes A1, A2 and for joint rotation. The replaceable component 1 can thus be lowered into an assembly position, for example, by guiding the shaft 11, especially when this assembly position is difficult to access.
[0052] Figure 9 is a schematic view of the replaceable component 1, with the tool 10 engaging the stop surfaces 6. By rotating the shaft 11, the stop surfaces 6 are engaged by the side surfaces 14 of the engagement portion 13, so that the replaceable component 1 is rotated together with the shaft 11 upon continued rotation, for example, for screwing or unscrewing the replaceable component 1.
[0053] List of reference symbols
[0054] 1 replaceable component
[0055] 2 lateral surface
[0056] 3 Frontal surface
[0057] 4 Intervention structure
[0058] 5 Undercut
[0059] 6 Stop surface
[0060] 7 End
[0061] 8 Middle section
[0062] Section 9
[0063] 10 tools
[0064] 11 shaft
[0065] 12 engagement element
[0066] 13 Intervention section
[0067] 14 side surfaces
[0068] 15 Opening
[0069] 16 tab
[0070] 17 edge
[0071] 18 engagement edge
[0072] A1 Longitudinal axis
[0073] A2 Longitudinal axis
Claims
Daimler Truck AG Dr. Riege 07.06.2024 Patent claims 1. Replaceable component (1), comprising a housing with a lateral surface (2) and an end face (3), wherein the housing is configured to be fastened to a module by a rotary movement with an at least partially open side lying opposite the end face (3), wherein an engagement structure (4) is arranged on or at the end face (3), which engagement structure has at least one undercut (5) for the positive engagement of a tool (10), characterized in that the undercut (5) and / or the tool (10) are / is designed such that the tool (10), after engagement in the undercut (5), is coupled to the replaceable component (1) for a joint movement in the direction of a longitudinal axis (A1).
2. Replaceable component (1) according to claim 1, characterized in that the engagement structure (4) has the shape of a bridge with two ends (7) which are arranged on the end face (3), wherein between the ends (7) a central section (8) which is offset relative to these is arranged to form the undercut (5).
3. Replaceable component (1) according to claim 1 or 2, characterized in that the offset is formed by sections (9) projecting away from the end face (3) which are configured as stop surfaces (6) for the tool (10), wherein the sections (9) projecting away from the end face (3) can be convexly shaped towards the undercut (5).
4. Replaceable component (1) according to one of claims 1 to 3, characterized in that for forming the undercut (5) in the central section (8) an opening (15) is provided, which is configured to to be engaged with a tool (10) designed as a spreading tool.
5. Replaceable component (1) according to claim 4, characterized in that towards the ends (7) of the bridge, tabs (16) are provided on the opening (15), which are bent obliquely away from the end face (3) and towards the longitudinal axis (A1) of the replaceable component (1).
6. Replaceable component (1) according to one of the preceding claims, characterized in that two opposite lateral edges (17) of the central section (8) are bent at right angles or substantially at right angles away from the end face (3) and thus form the stop surfaces (6) for the tool (10).
7. Arrangement comprising at least one replaceable component (1) according to one of the preceding claims and a tool (10), characterized in that the tool (10) has a shaft (11) with an engagement element (12) arranged at one end of the shaft (11), which engagement element has an engagement section (13) which is angled at a right angle or substantially at a right angle to a longitudinal axis (A2) of the shaft (11), wherein the engagement section (13) is designed as a sheet metal with a thickness and width such that the engagement section (13) fits into the undercut (5) between the central section (8) and the end face (3) and that side surfaces (14) of the engagement section (13) fit between the stop surfaces (6) and engage with them.
8. Arrangement according to claim 7, characterized in that the engagement element (12) is arranged on the shaft (11) in such a cranked manner that the longitudinal axis (A2) of the shaft (11) is at least approximately aligned with the longitudinal axis (A1) of the replaceable component (1) when the engagement section (13) is fully inserted into the undercut (5).
9. Arrangement comprising at least one replaceable component (1) according to one of claims 4 to 6 and a tool (10), characterized in that the tool (10) has a shaft (11) with an engagement element (12) arranged at one end of the shaft (11), which engagement element has two opposing engagement edges (18) for engagement with the edges (17) of the central section (8), wherein the tool (10) has a structure for engagement with the undercut (5) between the two engagement edges (18).