Holding device for running agent container, running agent container arrangement, power vehicle floor structure assembly and assembly method for power vehicle floor structure assembly

Abstract

According to the invention, the technology disclosed herein relates to a holding device (10) for fixing a running agent container (50) to a power vehicle component, comprising: a first fixing element (12) having at least one first connection section (14) for connecting the first fixing element (12) to the running agent container (50); a second fastening element (22) having at least one second connection section (24) for connecting the second fastening element (22) to the power vehicle component; and a joining connection (30), by means of which the first fastening element (12) is joined to the second fastening element (22), the joining connection (30) being designed as a predetermined breaking point. Furthermore, the present technology relates to a running agent container arrangement comprising a holding device, a power vehicle floor structure assembly, a power vehicle and a method for assembling a power vehicle floor structure assembly.

Description

Technical Field

[0001] The technology disclosed herein relates to a holding device for fixing an operating agent container to a power vehicle component, an operating agent container arrangement system including the holding device, a power vehicle floor structure assembly including the operating agent container arrangement system, a power vehicle, and a method for assembling a power vehicle floor structure assembly. Background Art

[0002] In order to store a liquid operating agent, such as fuel, e.g., gasoline or diesel, in a power vehicle, it is known to provide the power vehicle with an operating agent container, in the mentioned example a so-called fuel tank. In known power vehicles, especially passenger cars, the fuel tank can be mounted on the floor of the power vehicle from below. To fix the fuel tank, tension straps can be used, which are fixed to the vehicle body of the power vehicle on opposite sides of the fuel tank and press the fuel tank vertically upwards against the vehicle body.

[0003] Document DE 10 2020 103 239 B3 discloses a fixing device for an electrical energy source for a traction electric vehicle. From document DE 10 2019 220 626 A1, a fastening device for an energy storage of a power vehicle and a vehicle including the energy storage fastening device are known. Summary of the Invention

[0004] A preferred task of the technology disclosed herein is to reduce or eliminate at least one drawback of previously known solutions or to provide an alternative solution. In particular, a preferred task of the technology disclosed herein is to provide a holding device that enables effective and safe fixing of the operating agent container to the power vehicle component in the structural space. In addition, the object of the present invention is to provide a corresponding operating agent container arrangement system, a corresponding power vehicle floor structure assembly, a corresponding power vehicle, and a corresponding method for assembling a power vehicle floor structure assembly. Further preferred tasks can be derived from the advantageous effects of the technology disclosed herein.

[0005] The task(s) is / are solved by the technical solutions of claim 1 and the other independent patent claims. The dependent claims are preferred design solutions.

[0006] According to one aspect, there is provided herein a retaining device for securing a running agent container to a power vehicle component, in particular to a power vehicle. The retaining device comprises: a first fixing element having at least one first connecting section for connecting the first fixing element to the running agent container; a second fixing element having at least one second connecting section for connecting the second fixing element to the power vehicle component; and an engaging connection. The first fixing element is engaged (secured), preferably non-destructively and non-removably, to the second fixing element by means of the engaging connection. The engaging connection is configured as a predetermined breaking point. That is to say, the retaining device is designed such that when a predetermined load is exceeded, the engaging connection breaks (separates / "fails") (by the destruction of the retaining device). It should be emphasized that unless otherwise stated, the term "engaging connection" in the present disclosure refers to the engaging connection between the first and second fixing elements.

[0007] This enables the running agent container to be effectively and still relatively safely, in particular relatively collision-proof, secured to the power vehicle component / on the power vehicle. In particular, the two-part design of the retaining device can simply enable the running agent container to be detached from the power vehicle in a controlled manner in the event of an accident, without the container wall of the running agent container being torn. This can be achieved even if the first fixing element is very firmly engaged to the running agent container. In the event of an accident, the engaging connection configured as a predetermined breaking point enables the running agent container to be detached from the power vehicle in a controlled manner without the risk of fuel leakage. In addition, advantageously, due to the predetermined breaking point of the engaging connection, the running agent container, in particular at the engagement site with the first connecting section of the retaining device, can be configured to be thinner-walled. Therefore, materials and weight can be saved. The tensioning belt for securing the running agent container to the power vehicle can also be dispensed with.

[0008] The term "predetermined breaking point" according to its usual definition refers to a point that can be predictably broken from a predetermined load determined by a predetermined structure, shape, and / or configuration (such as material tapering). In particular, the predetermined breaking point can be designed to break when a predetermined relative movement occurs between a first connecting section and a second connecting section, so that the first fixing element is detached from the second fixing element. That is to say, the part of the entire holding device that first breaks when the first fixing element moves relative to the second fixing element in a predetermined manner and method - for example, in a predetermined tensile test - can be called the predetermined breaking point. The predetermined relative movement can include: applying a predetermined force to the first fixing element relative to the second fixing element. The predetermined force can be a force exceeding a force threshold. The force threshold can in principle be direction-dependent here. For example, if the second fixing element is fixed to the second connecting section (such as firmly clamped in a test device) and the first connecting section is pushed towards or pulled away from the second connecting section, the predetermined breaking point can be the part where the holding device breaks while the first fixing element and the second fixing element can remain intact (unbroken) elsewhere.

[0009] In the context of the present disclosure, the term "connection" should be understood as a connection in manufacturing technology (so-called joining). That is to say, the terms "connection" and "joining" can be synonyms here. Each of the connections can preferably be designed to be form-fitting or material-fitting and / or require direct contact between the connection mating parts at the connection position. Therefore, the first fixing element preferably directly contacts the second fixing element at the position of the joining connection. In addition, the first fixing element can directly contact the working fluid container with the first connecting section. The second fixing element can directly contact the power vehicle component (vehicle body) with the second connecting section.

[0010] The joining connection, the connection between the first fixing element and the working fluid container (hereinafter also referred to as the first connection) and / or the connection between the second fixing element and the power vehicle component (hereinafter also referred to as the second connection) can each be designed to be fixed (immovable, gapless). Preferably, the joining connection and the connection between the first fixing element and the working fluid container are not non-destructively detachable. In addition, it is preferred that the first fixing element is fixed to the second fixing element only by means of the joining connection.

[0011] In a preferred variant, the joining connection is at least partially configured as a material lock. Preferably, the joining connection is partially or completely configured as a welded connection here. The welded connection can have at least one welding spot and / or at least one weld seam, or can be configured as such a welding spot / weld seam. The joining connection can be additionally reinforced with an adhesive and constitute a so-called welded adhesive connection in combination with the welding connection. If the joining connection includes a plurality of welding spots, these welding spots can be distributed at regular distances on the joining section (especially the base section described in more detail below) of the first fixing element in which the joining connection is provided. For example, up to 10 or up to 5 welding spots can be provided. The weld seam preferably includes at least one open end. For this purpose, the weld seam can be configured as a straight weld seam, for example. If a plurality of weld seams are provided, these weld seams can extend parallel to each other and / or transversely to the connection axis between the plurality of first connection sections.

[0012] A hole, in particular an elongated hole or a slot, can be formed in the second fixing element at the location of the joint connection. In this case, the joint connection is preferably formed partially or completely on the inner circumference of the hole. If the hole is formed as a slot, the weld seam can therefore preferably form a (single-sided, double-sided or filled) slot weld.

[0013] Furthermore, the joining connection can be designed at least partially as a riveted connection with at least one rivet. The riveted connection is an example of a force-locking design of the joining connection. Similar to the spot welds (of a material-locking connection), the rivets can be arranged at regular distances and / or in the edge region of the joining section / base section of the first fixing element. Also similar to the spot welds, the rivets can pass through the first and second fixing elements in the joining section. The number of rivets can be up to 5, up to 4 or up to 3.

[0014] The above-mentioned joint connections are characterized in particular by a relatively low strength. In short, these joint connections are relatively weak, so that they break in a defined manner when the load is high, for example in the event of an accident. This opens up design freedom when fixing the retaining device to the operating agent container. According to regulations, the connection between the first fixing element and the operating agent container and the connection between the second fixing element and the power vehicle component (vehicle body component) are more stable than the joint connection. Advantageously, the joint connection can break when the load is high, for example in the event of an accident, wherein the first fixing element can remain fixed to the operating agent container in order to avoid damage to the operating agent container as much as possible.

[0015] The first fixing element and / or the second fixing element can each be configured as a (metal) sheet. Preferably, the first fixing element is designed as an elongate bar-shaped member having a projection formed by a base section. The projection can contribute to improving corrosion resistance. When the first fixing element includes a plurality of first connecting sections, each of the first connecting sections can extend away from the base section of the first fixing element. As described above, the joining connection can be formed on the base section. The first connecting sections preferably extend coplanarly with each other, while the main plane of the base section (especially in the variant with solder joints or rivets) can be configured parallel and offset with respect to the main plane of the at least one first connecting section. The first connecting sections can be rounded at their ends facing away from the base section so that a high-strength welding to the working fluid container can be achieved quite simply.

[0016] The support surface for the working fluid container formed by the at least one first connecting section can be arranged on the side opposite the second fixing element (i.e., on the side of the main plane of the first connecting section opposite to the main plane of the base section). In the installation position of the holding device on the power vehicle / power vehicle component, the support surface can be arranged on the upper side of the holding device. Thereby, the working fluid container can advantageously be kept at a distance from the base section in the installation position, for example to improve corrosion resistance. The step formed between the at least one first connecting section and the base section can contribute to the rigidity of the first fixing element in a synergistic manner and method. This effect can be enhanced by increasing the number of the first connecting sections and the base sections, wherein a (configured as a raised portion) base section can be provided between every two adjacent first connecting sections.

[0017] When observing the holding device perpendicular to the main plane or rather perpendicular to the support surface, the base section can be narrower than the first connecting section. In particular, each of the base sections can be configured as a bar-shaped projection, and the longitudinal direction of each projection extends parallel to the main extension direction of the respective aforementioned slot. That is to say, the slot can especially extend centrally along the bar-shaped projection. On the at least one base section, the second fixing element can be supported on the first fixing element on the side opposite the support surface.

[0018] In order to further increase the strength of the (first) connection between the first connection section and the operating agent container, it is also conceivable to make a lateral cut at the transition between the at least one first connection section and the protrusion (base section), especially when viewed in the main plane of the at least one first connection section. This can be advantageous especially when there is no circumferential seam, i.e., when there is a seam start and a seam end, which can each act as a cut site. The at least one first connection section can taper at the transition to the base section. This enables the first fixing element to be firmly welded to the operating agent container with a relatively long circular weld seam (especially as an external weld with a start and an end). Advantageously, the stress peak is shifted away from the seam end by the relief cut and the stress is low.

[0019] The second fixing element can be configured as an angle profile having an intermediate section and legs extending from the intermediate section in different directions (and transversely to the intermediate section) at opposite ends of the intermediate section. Preferably, the angle profile is configured as a Z-shaped profile. The legs can advantageously extend (substantially) parallel to each other. The angle between the main plane of the intermediate section and the legs can be less than 90° and preferably between 30° and 60°. Thus, the second fixing element can have a Z-shaped cross-section perpendicular to the support surface for the operating agent container. The engagement connection and the second connection section can be provided on different legs. Preferably, the ribs strengthening the second fixing element extend from one leg to the other leg. The second connection section can include a through-hole. Through this through-hole, the holding device can be firmly tightened, preferably without clearance, to the power transport vehicle component by means of bolts. In other words, the holding device is preferably configured to be bent in order to be able to compensate for the height difference between the mounting point of the holder on the operating agent container and the fixing site in the power transport vehicle.

[0020] The operating agent container arrangement system proposed here is provided for a power transport vehicle, especially for the power transport vehicle proposed here, and includes an operating agent container and the holding device described in detail above. The operating agent container is preferably configured as a fuel tank. The engagement connection is weaker here than the first connection between the operating agent container and the holding device. The term "weaker" here, as is common in the field of joining technology, means less strength. That is to say, the engagement connection configured as a predetermined fracture site is not as robust / stable as the first connection. In other words, due to the mechanical load between the second connection section and the operating agent container, for example, in a tensile test, the yield limit of the engagement connection is reached before the yield limit of the first connection. Therefore, the predetermined fracture site preferably fractures at a lower load than the first connection. The engagement connection can be designed with a lower anti-failure safety; on the contrary, higher stresses that may occur can be allowed, for example, by a smaller cross-section or a targeted cut site.

[0021] In order to achieve a higher strength of the first connection, the extension dimension of the first connection parallel to the main plane of the base section of the first fixing element may be greater than the extension dimension of the joining connection parallel to this main plane. The first connection may be configured as a welded connection, which means that the holding device may be welded to the working fluid container in the first connection section. In this case, the welding surface of the joining connection may be smaller than the welding surface of the first connection. In particular, at least one weld of the first connection may be longer than the weld of the joining connection. Similarly, the welding surface occupied by the weld of the first connection may be greater than the entire surface occupied by the solder joints.

[0022] If the holding device is welded to the working fluid container, at least one weld of the first connection may be formed on the circumferential edge of the at least one first connection section. In addition, the first connection section may be connected to the working fluid container by means of at least one hole weld. That is to say, one or more of the first connection sections may each have at least one through hole, and on the inner circumferential surface of the through hole, the first fixing element is welded to the working fluid container by means of the first connection.

[0023] The power vehicle floor structure assembly proposed here has the above-mentioned working fluid container arrangement system and power vehicle components. The working fluid container is firmly connected to the power vehicle components by means of a holding device. That is to say, not only the first connection but also the second connection between the power vehicle components and the holding device are advantageously configured as firm (especially gapless and non-sliding) connections. Different from the first connection, the second connection is preferably configured as a non-destructive detachable and / or reversible rebuildable connection, for example, configured as a threaded connection. Similar to the first connection, the second connection between the power vehicle components and the holding device is also firmer than the joining connection.

[0024] Advantageously, the holding device is only arranged on one side of the working fluid container and does not surround the working fluid container (like a tension belt). That is to say, in the installation position of the working fluid container, the working fluid container can be supported on the upward-facing support surface of the holding device with its lower side, and the holding device does not completely surround the working fluid container on the lower side. When observed in a cross-sectional plane perpendicular to the support surface, the working fluid container may have a recess on its outer side (for example, in the form of a stepped recess). In the installation position of the working fluid container, the support surface is preferably located in the area of the recess on the lower side of the working fluid container. If the power vehicle floor structure assembly also has an electrical energy storage device, the holding device may be arranged between the working fluid container and the energy storage device. In order to improve the structural space efficiency, the electrical energy storage device may extend into the recess. In order to improve the structural space efficiency, the electrical energy storage device may extend into the recess. Thus, the holding device can be covered by the electrical energy storage device (when observed from below).

[0025] The power vehicle proposed here may include a holding device, a running agent container arrangement system, and / or a power vehicle floor structure assembly. In particular, the power vehicle may be a land vehicle, a water vehicle, or an air vehicle (preferably a passenger vehicle or a commercial vehicle). In particular, the power vehicle may be partially electrically (hybrid) driven and have an electrical energy storage device as a traction battery.

[0026] To assemble the power vehicle floor structure assembly described in detail above, a method is proposed here, which includes the following steps, which in particular can be carried out in the following order: providing the above-mentioned running agent container arrangement system; assembling the running agent container arrangement system on a power vehicle component, wherein the running agent container arrangement system is connected, preferably non-destructively and detachably, to the power vehicle component by means of a second connecting section. Here, the step "providing" may include: engaging the holding device with the running agent container while forming a first connection. A second connection can be established in the step "assembling".

[0027] In other words, the technology disclosed here may relate to a holder for a running agent container (holding device; hereinafter referred to as "fuel tank holder"). In internal combustion engine vehicles and hybrid vehicles, liquid propellants are stored in fuel tanks. In the case of a fuel tank with a complex geometry, the tensioning belt may not fit snugly around the fuel tank. In particular, the tensioning belt cannot extend directly and snugly over a concave geometry. This technology enables: protecting the fuel tank against cracking or tearing under adverse loads (e.g., during a collision) without increasing the wall thickness of the fuel tank. This technology allows for the assembly of large and heavy fuel tanks (with a large fuel volume) in an unconventional fuel tank structural space where it is not possible to hang a tensioning belt or directly thread-tighten, while the fuel tank has a small wall thickness (saving material and weight).

[0028] A two-part fuel tank holder is proposed, which fails at the connection between the two parts when the load is too strong. Thus, ensuring the fuel tank remains sealed. The two-part fuel tank holder design consists of an intermediate plate and the actual holder. The intermediate plate is fixed to the fuel tank, and the actual holder is fixed to the vehicle body or other fixedly arranged components or the vehicle geometry. These components are connected to each other. The intermediate plate mechanically decouples the functions of "force transfer from the fuel tank suspension device" and "fuel tank sealing". If the fuel tank holder fails (e.g., in the event of a collision), the actual holder detaches from the intermediate plate, while the fuel tank itself remains sealed. With this structural approach, it is not necessary to increase the wall thickness of the fuel tank and weight and material can be saved.

[0029] Each connection can be designed in terms of fatigue strength and impact such that the connection between the retainer and the intermediate plate fails first before the connection to the fuel tank fails. The connection of the intermediate plate to the fuel tank can ensure good load distribution, for example, via a circumferential and long weld seam, without stress peaks at the seam start or seam end.

[0030] In the case of a hole weld, the weld seam is closed and thus naturally has no exposed ends. In the case of welding along the outer edge of the intermediate plate, in order to unload the weld seam end, a shrinkage part is introduced into the intermediate plate. Stress peaks can also be avoided in this way. If necessary, the intermediate plate can be fixed to the fuel tank via additional connections in the center, such as welding holes.

[0031] The connection of the actual retainer to the intermediate plate can be implemented in the sense of a predetermined fracture site such that stress peaks are intentionally induced as the maximum load points in the event of a failure. This can be achieved, for example, via non-circumferential linear connections (such as slot welding with filled, double-sided or single-sided weld seams), where stress peaks can occur at the connection ends of these connections. Alternatively, spot welding, riveted connections or similar dot-shaped joining techniques can also be used.

[0032] Furthermore, the function of the component can be further optimized via the shaping of the component. The stiffness of the fuel tank retainer or the intermediate retainer can be increased by flanging and pressing ribs. In the case of implementation by metal, constructive corrosion protection can be achieved via the above-mentioned shaping possibilities by avoiding zero gaps or narrow gaps. In addition, water drainage holes can be introduced into the cavity. Description of the Drawings

[0033] The technology disclosed here will now be explained with reference to the drawings. These figures schematically and not to scale show:

[0034] Figure 1 A first variant of the retaining device in the coolant container arrangement system is shown in a perspective view, where the joining connection is configured as a welded connection with a plurality of weld spots;

[0035] Figure 2 Shown in a top view Figure 1 the retaining device in

[0036] Figure 3 Shown in a transverse cross-section Figure 1 the retaining device in

[0037] Figure 4 A second variant of the retaining device in the coolant container arrangement system is shown in a top view, where the joining connection is configured as a welded connection with a plurality of slot welds;

[0038] Figure 5 Shown in a transverse cross-section Figure 4Retention device in;

[0039] Figure 6 The third variant of the retention device in the operating agent container arrangement system is shown in a top view, wherein the joining connection is configured as a riveted connection with a plurality of rivets;

[0040] Figure 7 Shown in a transverse cross-section Figure 6 Retention device in;

[0041] Figure 8 The fourth variant of the retention device in the operating agent container arrangement system is shown in a top view, wherein the joining connection is configured as a single-sided slot weld;

[0042] Figure 9 Shown in a transverse cross-section Figure 8 Retention device in;

[0043] Figure 10 Shown in a perspective view Figure 8 Retention device in, wherein the viewing direction is towards the lower side of the operating agent container;

[0044] Figure 11 Shown in a transverse cross-section the floor structure assembly of a powered vehicle;

[0045] Figure 12 Shows including Figure 11 The powered vehicle of the floor structure assembly of the powered vehicle in; and

[0046] Figure 13 Shows for Figure 11 The assembly method of the floor structure assembly of the powered vehicle in. Detailed description

[0047] Figures 1 to 3 Shows for the Figure 12 Retention device 10 of the powered vehicle 220 shown in, the powered vehicle being currently a passenger car. The retention device 10 (so-called retainer) is used to fix the operating agent container 50 to the powered vehicle component 102 (see Figure 11 ) and accordingly together with the operating agent container 50 forms an operating agent container arrangement system 100, which is shown in Figure 1 in a detail view with a viewing direction from below (i.e., from the outside to the bottom of the operating agent container 50). As can be seen from Figure 1 and 11 , in the installation position on the powered vehicle 220, the operating agent container 50 lies flat on the support surface of the retention device 10 from above (especially in the region of the (lateral) recess of the operating agent container 50).

[0048] The retaining device 10 has a first fixing element 12 and a second fixing element 22. The first and second fixing elements 12, 22 are joined / fixed to each other by a joining connection 30. Although the joining connection can be designed to be non-destructively detachable (e.g., designed as a threaded connection device), it is currently non-destructively non-detachable, i.e., the first and second fixing elements 12, 22 must be destroyed in order to be separated from each other. The first fixing element 12 includes a plurality of first connection sections 14, which are respectively joined to the operating agent container 50 by a first connection, preferably on the lower side of the operating agent container 50. Each first connection section 14 includes a through hole 17. The inner diameter of each respective through hole 17 can be between 8 millimeters and 20 millimeters. Each respective through hole 17 can be provided for a hole weld 40 of the first connection section 14 to the operating agent container 50. Each hole weld 40 can include a first weld seam, which is formed on the circumference of the through hole 17. The first weld seam preferably extends along the entire inner circumference of the through hole 17 and is thus preferably circular ("closed"). Additionally or alternatively, the first connection section 14 can include a weld seam extending along the (preferably entire) outer peripheral edge of the first connection section 14. The base section 15 of the first fixing element 14 can extend from one first connection section 14 to another first connection section 14 and is configured as a protrusion that extends at a distance from and parallel to the support surface of the first fixing element 12 facing the operating agent container 50.

[0049] The second fixing element 22 includes at least one second connection section 24 for connecting the second fixing element 22 to the power transport vehicle component 102. By means of the second connection section 24, the retaining device 10 can be firmly tightened to the power transport vehicle component 102 (see Figure 11 ). For this purpose, in the present variant, the second connection section 24 includes a hole 19, and a bolt 104 is engaged with this hole for threaded tightening.

[0050] The joining connection 30 is arranged on the (at least one) base section 15 and forms a predetermined breaking point. When a predetermined load is exceeded between the first connection section 14 and the second connection section 24, the retaining device 10 breaks at this predetermined breaking point. That is to say, when at least one of the first connection sections 14 is loaded / shifted relative to the second connection section 24 to such an extent that the yield limit of the joining connection 30 is exceeded, the predetermined breaking point breaks and the first fixing element 12 detaches from the second fixing element 22, and the first fixing element 12 remains fixed to the operating agent container 50. Correspondingly, compared with the first connection between the first connection section 14 and the operating agent container 50, the joining connection 30 has a lower mechanical load-bearing strength (is less firm). In Figure 1In the variant, the joint connection 30 is designed specifically as a welded connection with a small number of at most 5 weld points, each weld point having a diameter of at most 10 mm, preferably at most 8 mm, most preferably at most 5 mm.

[0051] The second fastening element 22 is designed as an angle profile with a (substantially planar) middle section 26 and planar legs 27, 28 extending from the middle section 26 at the opposite ends of the middle section. The legs 27, 28 extend, for example, substantially parallel to one another and transversely to the middle section 26, so that the angle profile has a Z-shaped cross section. Figure 1 As shown, the second connecting section 24 is arranged on the first leg 27 and the joint connection 30 is arranged on the second leg 28. The middle section 26 is arranged closer to the first fixing element 12 than the first leg 27. The reinforcing ribs extend continuously in the longitudinal direction of the second fixing element 22 from the first leg 27 via the middle section 26 to the second leg 28. In addition to or instead of the reinforcing ribs, a fold can be provided on the second fixing element 22, in particular on its edge. Figure 2 It can be seen that the second fastening element 22 in this variant overlaps only the base section 15 and not the first connecting section 14 , so that the first connection to the operating agent container 50 can be established flexibly before or after the formation of the joint connection 30 .

[0052] The holding device 10 is Figure 4 and 5 Another variant shown in Figure 1 The difference between the holding device 10 in FIG. 1 and FIG. 2 is that the former comprises a plurality of base sections 15 each configured as a projection (relative to the support surface), between which a further first connecting section 14 is configured. Figure 1 In the variant of the above-mentioned connecting section 14 in the embodiment, the further first connecting section 14 comprises a hole 16 in which a hole weld 40 is formed. The joining connection 30 is formed on the plurality of (two) base sections 15. In particular, at least one hole 16 is formed in the second fixing element 22. Figure 4 In the variant, a hole 16 is formed for each base section 15. Each hole 16 is in the form of a slot. Accordingly, a joint connection with a plurality of slot welds is formed, wherein each hole 16 is matched with a slot weld. In addition, Figure 4 and 5 The holding device 10 comprises Figure 1 All features of the holding device 10 in FIG. This applies accordingly to the operating agent container arrangement system 100. That is, Figure 4 The operating agent container arrangement system 100 further comprises Figure 1all features of the coolant container arrangement system 100 in

[0053] In Figure 6 and Figure 7 In another retaining device 10 as shown, the joining connection 30 is configured as a riveted connection having at least one rivet 36 instead of a welded connection. In particular, a plurality of rivets 36 may be provided here, and these rivets may pass through the base section 15 and / or be arranged at the corners of the base section 15 (see Figure 6 ). Thus, when the predetermined fracture site fractures, the at least one rivet 36 is destroyed. In addition, the circumferential weld on the first connecting section 14 is longer than in the Figure 1 variant in Figure 6 and Figure 7 The retaining device 10 in Figure 1 includes all features of the retaining device 10 in Figure 6 and Figure 7 The coolant container arrangement system 100 in Figure 1 correspondingly includes all features of the coolant container arrangement system 100 in

[0054] In Figures 8 to 10 Another retaining device 10 shown in Figure 6 differs from the retaining device in Figure 4 in that: similar to the variant in Figures 8 to 10 The second fixing element includes a hole 16 in the form of a slot / elongated hole. The main extension direction of the hole 16 extends transversely to the main extension direction of the first fixing element 12. A unilateral slot weld is provided in the hole 16, that is, the welds of the joining connection 30 only extend along a part of the circumference of their respective holes 16. In addition, the first connecting section 14 has a protrusion that can extend flush with the base section 15 at its end facing the base section 15. Drain holes are respectively provided centrally on the first connecting section 14 and pressing portions are provided radially outside the drain holes. The drain holes can be used to reduce / avoid continuous moisture and corrosion. In addition, Figure 6 The retaining device 10 in Figures 8 to 10 correspondingly includes all features of the retaining device 10 in Figure 6 The coolant container arrangement system 100 in

[0055] Figure 11 The power vehicle floor structure assembly 200 shown in Figures 1 to 10One of the operating agent container arrangement systems 100 and a power vehicle component 102, which is a vehicle body component of the power vehicle 220, in particular a floor vehicle body component. The operating agent container 50 is firmly connected to the power vehicle component 102 by means of a holding device 10. Here, the second connecting section 24 is screwed onto the power vehicle component 102. The electrical energy storage 60 of the power vehicle floor structure assembly 200 extends with its rear end in the installation position on the power vehicle 220 (see Figure 12 ) into the recess on the lower side of the operating agent container 50. In the area of this recess, the operating agent container 50 lies flat on the upward-facing support surface of the first fixing element. The holding device 10 is screwed onto the power vehicle component 102 from below. The rear end of the electrical energy storage 60 is located below the holding device 10. In order to ensure that the operating agent container 50 remains as undamaged as possible in the event of a collision, the positive connection 30 is preferably weaker than the second connection between the power vehicle component 102 and the holding device 10.

[0056] In Figure 13 In the method 300 for assembling the power vehicle floor structure assembly 200, which is shown simplified in

[0057] For reasons of readability, the expression "at least one" is partially omitted simplified in this disclosure. If a feature of the technology disclosed here is described in the singular or in the indefinite form, the corresponding plural should also be disclosed at the same time. "At least one" means one or more. In this disclosure, "at least partially" or "at least in part" means partially / partly or completely.

[0058] The foregoing description of the invention is for illustrative purposes only and not for the purpose of limiting the invention. Various changes and modifications can be made within the framework of the invention without departing from the scope of the invention and its equivalents.

Claims

1. A holding device (10) for fixing a running agent container (50) to a power vehicle component (102), comprising: A first fixing element (12) having at least one first connecting section (14) for connecting the first fixing element (12) to the running agent container (50); A second fixing element (22) having at least one second connecting section (24) for connecting the second fixing element (22) to the power vehicle component (102); And An engaging connection (30) by which the first fixing element (12) is non-destructively and irreversibly engaged on the second fixing element (22), the engaging connection (30) being configured as a predetermined breaking site.

2. The holding device (10) according to claim 1, wherein, The predetermined breaking site is designed to break when a predetermined relative movement occurs between the first connecting section (14) and the second connecting section (24), so that the first fixing element (12) detaches from the second fixing element (22).

3. The holding device (10) according to claim 1 or 2, wherein, The engaging connection (30) is at least partially configured as a material locking connection, and / or the engaging connection (30) is at least partially configured as a welding connection having at least one solder joint (32) and / or having at least one weld seam (34).

4. The holding device (10) according to one of the preceding claims, wherein, The engaging connection (30) is at least partially arranged on the inner peripheral surface (18) of a hole (16) formed in the second fixing element (22).

5. The holding device (10) according to one of the preceding claims, wherein, The engaging connection (30) is at least partially configured as a riveting connection having at least one rivet (36).

6. The holding device (10) according to one of the preceding claims, wherein, There are a plurality of first connecting sections (14) which respectively extend away from the base section (15) of the first fixing element (12), and the engaging connection (30) is formed on the base section (15).

7. The holding device (10) according to claim 6, wherein, The first connecting sections (14) are tapered at their transitions to the base section (15).

8. The holding device (10) according to one of the preceding claims, wherein, The second fixing element (22) is configured as an angle section having an intermediate section (26) and legs (27, 28) extending from the intermediate section (26) in different directions at opposite ends of the intermediate section (26), and the engaging connection (30) and the second connecting section (24) are provided on different legs (27, 28).

9. A running agent container arrangement system (100) for a power vehicle (220), comprising: A running agent container (50), and The holding device (10) according to one of the preceding claims, wherein the engaging connection (30) is weaker than the first connection between the running agent container (50) and the holding device (10).

10. The operating agent container arrangement system (100) according to the previous claim, wherein, The holding device (10) is welded to the running agent container (50) at the first connecting section (14).

11. The operating agent container arrangement system (100) according to one of the two foregoing claims, wherein, The first connecting section (14) is connected to the running agent container (50) by means of at least one hole welding (40).

12. A power vehicle floor structure assembly (200), comprising: The running agent container arrangement system (100) according to one of the preceding three claims, and A power vehicle component (102), wherein the running agent container (50) is firmly connected to the power vehicle component (102) by means of the holding device (10).

13. The power vehicle floor structure assembly (200) according to the previous claim, wherein, The joining connection (30) is weaker than a second connection between the power vehicle component (102) and the retaining device (10), and / or the power vehicle floor structure assembly (200) further includes an electrical energy storage (60), and the retaining device (10) is arranged between the working agent container (50) and the energy storage (60).

14. A power vehicle (220), comprising the retaining device (10) according to any one of claims 1 to 8, the working agent container arrangement system (100) according to any one of claims 9 to 11, or the power vehicle floor structure assembly (200) according to any one of claims 12 and 13.

15. A method (300) for assembling the power vehicle floor structure assembly (200) according to any one of claims 12 and 13, comprising:[[]] providing (302) the working agent container arrangement system (100) according to any one of claims 9 to 11; assembling (304) the working agent container arrangement system (100) on the power vehicle component (102), wherein the working agent container arrangement system (100) is connected to the power vehicle component (102) by means of a second connecting section (24).

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