CN112124432B - Lower frame beam structure assembly of automobile, automobile chassis and automobile - Google Patents
Lower frame beam structure assembly of automobile, automobile chassis and automobile Download PDFInfo
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- CN112124432B CN112124432B CN202011069989.3A CN202011069989A CN112124432B CN 112124432 B CN112124432 B CN 112124432B CN 202011069989 A CN202011069989 A CN 202011069989A CN 112124432 B CN112124432 B CN 112124432B
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- main body
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- lower frame
- structure assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/12—Understructures, i.e. chassis frame on which a vehicle body may be mounted assembled from readily detachable parts
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Abstract
The invention discloses an automobile lower frame beam structure assembly, an automobile chassis and an automobile, wherein the automobile lower frame beam structure assembly comprises at least one main body beam and at least one connecting beam which are sequentially detachably connected, the main body beam comprises a connecting part used for being connected with a chassis part, and the connecting beam is installed on the main body beam and shields the connecting part. Can dismantle with the tie-beam through setting up the main part roof beam and be connected formation car lower frame beam structure assembly to the tie-beam is located the connecting portion department that the chassis part was connected to the main part roof beam, can be in back automobile maintenance, when needing to change the chassis part, need not demolish spare parts such as whole car lower frame beam assembly, lower backplate and bumper, only need dismantle the tie-beam of car lower frame beam structure assembly, show chassis part and main part roof beam connecting portion, can dismantle the chassis part and change maintenance work such as it.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an automobile lower frame beam structure assembly, an automobile chassis and an automobile.
Background
In order to meet the requirement of safety performance of automobile collision and protect passengers in the automobile, a lower frame beam structure is additionally arranged at the lower part of the automobile. After the lower frame beam structure assembly is added, great difficulty is brought to the later-stage maintenance convenience of the automobile, for example, when chassis parts such as a steering gear, a transverse stabilizer bar and a lower swing arm are replaced, an auxiliary frame, a lower protective plate, the lower frame beam structure assembly and a front bumper need to be detached, time and labor are consumed, and the maintenance and debugging cost is greatly increased.
Disclosure of Invention
The invention mainly aims to provide an automobile lower frame beam structure assembly, an automobile chassis and an automobile, and aims to solve the problem that the existing automobile lower frame beam structure causes inconvenience in later-period maintenance of the automobile.
In order to achieve the purpose, the invention provides an automobile lower frame beam structure assembly which comprises at least one main body beam and at least one connecting beam which are sequentially detachably connected; wherein the body beam includes a connection portion to connect with a chassis member; the connection beam is installed to the main body beam, and shields the connection portion.
Optionally, two main beams are arranged at two opposite ends of the main beam corresponding to the connecting beam; the automobile lower frame beam structure assembly further comprises two clamping assemblies which correspond to two opposite ends of the connecting beam, the clamping assemblies are arranged on the main body beam and one of the connecting beams, and the main body beam and the other connecting beam are clamped and limited.
Optionally, two opposite ends of the connecting beam are a first end and a second end, respectively, and the two main beams are a first main beam disposed corresponding to the first end and a second main beam disposed corresponding to the second end, respectively;
one of the two clamping assemblies is arranged at the first end and used for clamping and limiting the first main body beam, and the other clamping assembly is arranged at the second main body beam and used for clamping and limiting the second end.
Optionally, the clamping assembly comprises two clamping plates arranged at opposite intervals in the vertical direction and a baffle connected with the two clamping plates, and the two clamping plates and the baffle together define a clamping groove for clamping and limiting the main body beam or the connecting beam.
Optionally, the two clamping plates and the main body beam or the connecting beam clamped and limited between the two clamping plates are respectively provided with a threaded hole at corresponding positions;
the automobile lower frame beam structure assembly further comprises a bolt, and the bolt is in threaded connection and matching with a plurality of threaded holes of the main body beam or the connecting beam, wherein the two clamping plates and the clamping are limited between the two clamping plates in sequence.
Optionally, the automobile lower frame beam structure assembly further comprises a sleeve positioned between the two clamping plates and sleeved on the bolt, and the upper end and the lower end of the sleeve are respectively abutted against the two clamping plates.
Optionally, the main body beam comprises a boundary beam arranged in the front-back direction of the automobile, and a crumple structure is arranged on the boundary beam and used for providing buffering energy absorption when the automobile collides.
Optionally, the crush structure comprises a plurality of grooves spaced at the outer edge of the side sill.
The invention also provides an automobile chassis which comprises an automobile lower frame beam structure assembly, wherein the automobile lower frame beam structure assembly comprises at least one main body beam and at least one connecting beam which are sequentially detachably connected; wherein the body rail includes a connection portion to connect with a chassis member; the connection beam is installed to the main body beam, and shields the connection portion.
The invention also provides an automobile which comprises an automobile chassis, wherein the automobile chassis comprises a lower frame beam structure assembly, and the automobile lower frame beam structure assembly comprises at least one main body beam and at least one connecting beam which are sequentially detachably connected; wherein the body rail includes a connection portion to connect with a chassis member; the connection beam is installed to the main body beam, and shields the connection portion.
According to the technical scheme, the main body beam and the connecting beam are detachably connected to form the automobile lower frame beam structure assembly, the connecting beam is located at the connecting portion of the main body beam and the chassis component, the automobile can be maintained in the later period, when the chassis component needs to be replaced, the whole automobile lower frame beam assembly, the lower protection plate, the bumper and other parts do not need to be detached, and the chassis component can be detached to be replaced and other maintenance works only by detaching the connecting beam of the automobile lower frame beam structure assembly and exposing the connecting portion of the chassis component and the main body beam.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic perspective view of an embodiment of a lower frame rail assembly for a vehicle according to the present invention;
FIG. 2 is an exploded view of the connection beam to the body beam of FIG. 1;
FIG. 3 is an enlarged schematic view of portion A of FIG. 1;
FIG. 4 is a schematic view of the lower frame rail assembly of the vehicle of FIG. 1;
fig. 5 is a schematic view of the lower frame beam structure assembly of the automobile shown in fig. 1 in a use state.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Automobile lower frame |
1 | |
| 11 | First |
12 | |
| 13 | |
2 | Connecting |
| 21 | |
22 | |
| 3 | Connecting part | 4 | |
| 41 | |
42 | |
| 43 | |
5 | |
| 51 | |
52 | Baffle plate |
| 6 | Threaded |
7 | |
| 8 | |
9 | Collapsing |
| 91 | |
200 | |
| 210 | |
220 | |
| 230 | |
240 | |
| 300 | Front bumper |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In order to meet the requirement of safety performance of automobile collision and protect passengers in the automobile, a lower frame beam structure is additionally arranged at the lower part of the automobile. However, the increased lower frame beam structure assembly 100 brings great difficulty to the later maintenance of the automobile, for example, when the chassis components 4 such as the steering gear 42, the stabilizer bar 43, the lower swing arm 41 and the like are replaced, the auxiliary frame, the lower guard plate 200, the lower frame beam structure assembly 100 and the front bumper 300 need to be removed, which consumes time and labor, and greatly increases the maintenance and debugging cost.
In view of this, the present invention provides an automotive vehicle comprising an automotive chassis including an automotive underbody beam structure assembly 100. Only the automobile chassis and the automobile with the automobile lower frame beam structure assembly 100 belong to the automobile chassis and the automobile. Fig. 1 to 3 show an embodiment of an automobile lower frame beam structure assembly 100 according to the present invention.
Referring to fig. 1 to 3, the lower frame beam structure assembly 100 of the automobile includes at least one main beam 1 and at least one connecting beam 2 detachably connected in sequence; wherein the body beam 1 comprises a connection part 3 for connection with a chassis part 4; the connection beam 2 is mounted to the body beam 1, and shields the connection portion 3.
Can dismantle with tie-beam 2 through setting up main part roof beam 1 and be connected formation car lower frame beam structure assembly 100, and tie-beam 2 is located connecting portion 3 department that main part roof beam 1 connects chassis part 4, can be in later stage auto repair, when needing to change chassis part 4, need not demolish whole car lower frame beam structure assembly 100, spare parts such as backplate 200 and bumper, only need dismantle the tie-beam 2 of car lower frame beam structure assembly 100, show chassis part 4 and main part roof beam 1 connecting portion 3, can dismantle chassis part 4 and change maintenance work such as its.
The main body beam 1 and the connecting beam 2 can be arranged in a plurality of manners according to actual needs, the connecting beam 2 can be fixedly connected with the main body beam 1 through the detachable connecting beam 2, the connecting beam 2 is arranged in a plurality of manners according to a plurality of installation portions of automobile chassis parts, the automobile chassis parts 4 are convenient to detach or replace, and the automobile chassis parts 4 can be lower swing arms 41, transverse stabilizer bars 43, steering gears 42 and the like according to different vehicle types.
The structure for mounting and using the lower frame beam structure assembly 100 on the automobile chassis is shown in fig. 4 and 5, in an actual use occasion, the lower frame beam structure assembly 100 is adjacent to the lower guard plate 200, the automobile chassis component 4 is positioned on the side of the main body beam 1, the lower guard plate 200 comprises a first mounting point 210, a second mounting point 220, a third mounting point 230, a fourth mounting point 240 and symmetrical side mounting points of the four mounting points, the detachable connecting beam 2 is designed in the lower frame beam structure assembly 100, after the connecting beam 2 is detached, the lower swing arm 41 can be easily detached only by detaching the first mounting point 210, the second mounting point 220 and the third mounting point 230 of the lower guard plate 200, the whole lower guard plate 200, the lower frame beam structure assembly 100 and the front bumper 300 are not needed to be detached, time is saved for maintaining the lower swing arm 41, and convenience is provided. If during maintenance, when the subframe, the steering gear 42 and the stabilizer bar 43 need to be removed or replaced, only the first mounting point 210, the second mounting point 220, the third mounting point 230, the fourth mounting point 240 and the symmetrical side mounting points of the lower fender 200 need to be removed, and then the connecting beam 2 is removed, so that the subframe, the steering gear and the stabilizer bar 43 can be removed.
Furthermore, two main body beams 1 are arranged corresponding to two opposite ends of the connecting beam 2; automobile lower frame beam structure assembly 100 still includes and corresponds two centre gripping subassemblies 5 that the relative both ends of tie-beam 2 set up, centre gripping subassembly 5 is located main part roof beam 1 reaches one of them of tie-beam 2, and the centre gripping is spacing main part roof beam 1 reaches the other one of tie-beam 2.
The two main body beams 1 are connected through the connecting beam 2, the two clamping assemblies 5 are arranged at the two opposite ends of the connecting beam 2, the two clamping assemblies 5 can be arranged on the main body beams 1 to clamp and limit the two ends of the connecting beam 2, and the connecting beam 2 is fixed; similarly, also can set up two centre gripping subassemblies 5 at the both ends of tie-beam 2, it is fixed with the junction centre gripping of two main part roof beams 1 through tie-beam 2, it is spacing through the centre gripping of centre gripping subassembly 5's centre gripping, can be so that can dismantle the firm stability more that the tie-beam 2 of connecting connects.
Further, the two opposite ends of the connecting beam 2 are a first end 21 and a second end 22, respectively, and the two main beams 1 are a first main beam 11 disposed corresponding to the first end 21 and a second main beam 12 disposed corresponding to the second end 22, respectively; one of the two clamping assemblies 5 is arranged at the first end 21 and used for clamping and limiting the first main body beam 11, and the other clamping assembly is arranged at the second main body beam 12 and used for clamping and limiting the second end 22.
Through respectively setting up a centre gripping subassembly 5 on tie-beam 2 and main part roof beam 1, it is spacing to make first main part roof beam 11 pass through centre gripping subassembly 5 with the first end 21 centre gripping of tie-beam 2, it is spacing that second main part roof beam 12 is held by tie-beam 2 through centre gripping subassembly 5, it helps making tie-beam 2 be connected more firmly with first main part roof beam 11 and second main part roof beam 12 like this to arrange, and dismantle more easily, and simultaneously, it is spacing through dislocation centre gripping, it is inhomogeneous to prevent in addition that the atress is inhomogeneous between tie-beam 2 and the main part roof beam 1, make tie-beam 2 and crashproof roof beam more easily destroyed.
As shown in fig. 1 and fig. 2, taking this embodiment as an example, the first main body beam 11 is an auxiliary frame, the second main body beam 12 is a frame-shaped structure with a gap extending outward, two connecting beams 2 are respectively connected to two ends of the first main body beam 11 to form a closed frame-shaped structure, the first end 21 of the connecting beam 2 is clamped and limited by the clamping assembly 5 at the joint of the first main body beam 11, the second end 22 of the connecting beam 2 is provided with the clamping assembly 5 to clamp the second main body beam 12, and the two connecting beams are sequentially and alternately connected, so that the stress between the connecting beam 2 and the main body beam 1 is uniform, and the connecting beam is easy to detach.
Further, the clamping assembly 5 comprises two clamping plates 51 arranged along the vertical direction at opposite intervals and a baffle plate 52 connected with the two clamping plates 51, and the two clamping plates 51 and the baffle plate 52 jointly define a clamping groove for clamping and limiting the main body beam 1 or the connecting beam 2.
The two clamping plates 51 which are oppositely arranged along the vertical direction at intervals can clamp the clamped end between the two clamping plates 51 to restrain the clamped end, and meanwhile, the baffle 52 is arranged between the two clamping plates 51, so that on one hand, the two clamping plates 51 can be fixed, the strength of the clamping assembly 5 is improved, and the two clamping plates 51 are supported; on the other hand, the clamped part can be limited and positioned, and the phenomenon that the connection is unreliable due to deviation in the clamping and fixing process is prevented.
As shown in fig. 2, two clamping assemblies 5 are respectively disposed at two ends of the first body beam 11 for clamping two connecting beams 2, the clamping assemblies 5 jointly define a clamping groove through two clamping plates 51 oppositely disposed along the vertical direction and a baffle 52 connecting the two clamping plates 51, and the notch of the clamping groove faces the outer side of the frame-shaped structure, so that the connecting beams 2 are convenient to install. In a similar way, the second end 22 of the connecting beam 2 is provided with the clamping component 5 for clamping the first main body beam 11, the notch on the connecting beam 2 faces the inner side of the frame-shaped structure, and the connecting beam 2 can be conveniently disassembled and assembled by the arrangement. Here, tie-beam 2 also can form through two upper and lower punching press panel beating welding, simple process, convenient operation, during the connection, with the notch towards the frame shape structure inboard.
Further, two grip blocks 51 and centre gripping are spacing between two grip blocks 51 main part roof beam 1 or tie-beam 2 is seted up screw hole 6 respectively at the corresponding position punishment, car lower frame roof beam structure assembly 100 still includes bolt 7, bolt 7 in proper order with two grip blocks 51 and centre gripping are spacing between two grip blocks 51 main part roof beam 1 or the 6 spiro union cooperations of a plurality of screw holes of tie-beam 2.
Through set up screw hole 6 on grip block 51, then be connected with bolt 7 cooperation, further connect fixedly main part roof beam 1 and tie-beam 2, help reliability and easy dismouting that 2 both ends of strengthening the tie-beam are connected, connection structure is simple reliable, dismouting when making things convenient for auto repair.
Further, the automobile lower frame beam structure assembly 100 further includes a sleeve 8 located between the two clamping plates 51 and sleeved on the bolt 7, and upper and lower ends of the sleeve 8 are respectively abutted against the two clamping plates 51. Through set up sleeve pipe 8 between two grip blocks 51, help further strengthening the intensity of centre gripping subassembly 5 junction, because grip block 5 is formed with the centre gripping space through grip block 51, tie-beam 2 and main part roof beam 1 adopt the channel type structure or tubular structure for improving the effect of buffering energy-absorbing, through set up sleeve pipe 8 in the junction, can strengthen the structural strength of junction for connect more reliably.
Further, the main body beam 1 comprises an edge beam 13 arranged in the front-rear direction of the automobile, and the edge beam 13 is provided with a crumple structure 9 for providing buffering energy absorption when the automobile collides. By arranging the crumple structure 9 on the side beam 13, the automobile can play a role of collision energy absorption when an automobile collides, and the safety of a passenger compartment in the automobile is further ensured.
Further, as shown in fig. 3, the crush structure 9 includes a plurality of grooves 91 spaced at the outer edge of the side beam 13. Through set up a plurality of recesses 91 on the outside edge of boundary beam 13 at the interval, help the boundary beam 13 segmentation, weaken the intensity of recess 91 department boundary beam 13, when the car bumps, can absorb energy through the deformation of recess 91 department, make its energy that passes through to other places diminish, provide the cushion time for the safety in the car passenger compartment.
The structure 9 that bursts can set up multiple form, for example, can also make boundary beam 13 through the material of different intensity, design into the different region of cascaded intensity with boundary beam 13, and the regional setting that intensity is weak is being close to the locomotive position, takes place earlier during the collision and bursts and contract and warp.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. An automobile lower frame beam structure assembly is characterized by comprising at least one main body beam and at least one connecting beam which are sequentially detachably connected;
wherein the body beam includes a connection portion to connect with a chassis member;
the connecting beam is mounted to the main body beam and shields the connecting part;
two main body beams are arranged at two opposite ends of the main body beam corresponding to the connecting beam;
the automobile lower frame beam structure assembly further comprises two clamping assemblies arranged corresponding to the two opposite ends of the connecting beam, wherein the clamping assemblies are arranged on one of the main body beam and the connecting beam and used for clamping and limiting the other of the main body beam and the connecting beam;
the clamping assembly comprises two clamping plates and a baffle plate, the two clamping plates are oppositely arranged at intervals in the vertical direction, the baffle plate is connected with the two clamping plates, and the two clamping plates and the baffle plate jointly define a clamping groove for clamping and limiting the main body beam or the connecting beam;
the two opposite ends of the connecting beam are respectively a first end and a second end, and the two main body beams are respectively a first main body beam arranged corresponding to the first end and a second main body beam arranged corresponding to the second end;
One of the two clamping assemblies is arranged at the second end and used for clamping and limiting the second main body beam, and the other clamping assembly is arranged at the first main body beam and used for clamping and limiting the first end;
the connecting portion on the first main body beam is located connecting beam department, connecting portion are formed with the mounting groove, the mounting groove is used for supplying chassis parts stretches into, with connecting portion are connected.
2. The vehicle lower frame beam structure assembly according to claim 1, wherein the two clamping plates and the main body beam or the connecting beam clamped and limited between the two clamping plates are respectively provided with a threaded hole at corresponding positions;
the automobile lower frame beam structure assembly further comprises a bolt, and the bolt is in threaded connection and matching with a plurality of threaded holes of the main body beam or the connecting beam, wherein the two clamping plates and the clamping are limited between the two clamping plates in sequence.
3. The vehicle underbeam structure assembly of claim 2, further comprising a sleeve disposed between the two clamping plates and sleeved on the bolt, wherein upper and lower ends of the sleeve are respectively abutted against the two clamping plates.
4. The vehicle underbeam structure assembly of claim 1, wherein the body beam comprises a side beam disposed in a front-rear direction of the vehicle, and the side beam is provided with a crumple structure for providing energy absorption and buffering in case of vehicle collision.
5. The vehicle rocker beam structure assembly of claim 4 wherein the crush feature comprises a plurality of notches spaced at the outboard edge of the side sill.
6. An automobile chassis comprising the automobile lower frame beam structure assembly as claimed in any one of claims 1 to 5.
7. An automobile, characterized in that it comprises an automobile chassis according to claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011069989.3A CN112124432B (en) | 2020-09-30 | 2020-09-30 | Lower frame beam structure assembly of automobile, automobile chassis and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011069989.3A CN112124432B (en) | 2020-09-30 | 2020-09-30 | Lower frame beam structure assembly of automobile, automobile chassis and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN112124432A CN112124432A (en) | 2020-12-25 |
| CN112124432B true CN112124432B (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011069989.3A Active CN112124432B (en) | 2020-09-30 | 2020-09-30 | Lower frame beam structure assembly of automobile, automobile chassis and automobile |
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|---|---|
| CN (1) | CN112124432B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113562077B (en) * | 2021-08-25 | 2022-08-30 | 岚图汽车科技有限公司 | Multi-level collision energy-absorbing steel front auxiliary frame structure |
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| JP6288044B2 (en) * | 2015-11-11 | 2018-03-07 | マツダ株式会社 | Front subframe structure |
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| CN104340272A (en) * | 2013-08-07 | 2015-02-11 | 一汽海马汽车有限公司 | Front subframe assembly, car and method for mounting front subframe assembly and front bumper |
| CN204775484U (en) * | 2015-06-03 | 2015-11-18 | 重庆长安汽车股份有限公司 | Car subframe and connection structure who collides vertical tubular beams |
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| CN112124432A (en) | 2020-12-25 |
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