CN111731389B - Pressure chamber plate structure of automobile fan heater - Google Patents
Pressure chamber plate structure of automobile fan heater Download PDFInfo
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- CN111731389B CN111731389B CN202010448867.9A CN202010448867A CN111731389B CN 111731389 B CN111731389 B CN 111731389B CN 202010448867 A CN202010448867 A CN 202010448867A CN 111731389 B CN111731389 B CN 111731389B
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- pressure chamber
- plate
- side wall
- assembly
- rear plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Thermal Sciences (AREA)
- Acoustics & Sound (AREA)
- Air-Conditioning For Vehicles (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to a pressure chamber plate structure of an automobile fan heater, which comprises a fan heater pressure chamber plate assembly and a side wall assembly at the end part of the fan heater pressure chamber plate assembly, wherein the side wall assembly is connected with the fan heater pressure chamber plate assembly through a connecting member; the warm air blower pressure chamber plate assembly comprises a pressure chamber front plate and a pressure chamber rear plate, wherein the lower side of the pressure chamber rear plate is fixedly connected with the rear side of the pressure chamber front plate in an overlapping manner; the rear plate of the pressure chamber is provided with a rear plate vertical surface, a rear plate inclined surface, a curved surface bent backwards and a front windshield mounting surface which are sequentially connected; the fan heater pressure chamber plate assembly also comprises a reinforcing piece, wherein the section of the reinforcing piece is shaped like a Chinese character [, and the reinforcing piece is provided with a bottom surface, a lower side turnover surface and an upper side surface; the reinforcement is connected with the upper part of the back surface of the back plate of the pressure chamber in a matching way to form a closed cavity structure, and the cavity structure and the vertical surface of the back plate form a cantilever structure. The invention can improve the corrosion resistance of the pressure chamber plate structure of the automobile fan heater, improve the strength and the rigidity, improve the NVH performance and meet the requirement of pedestrian protection.
Description
Technical Field
The invention relates to an automobile body, in particular to a pressure chamber plate structure of an automobile fan heater.
Background
With the development of automobile technology, the design of automobiles begins to change from the design of structure design to the design of performance, and some problems of corrosion, abnormal sound, noise and the like become problems to be solved urgently in many host factories. The pressure chamber plate assembly of the automobile warm air blower is positioned at the lower part of the front windshield and is an important part for connecting the left side wall and the right side wall, and isolating the cabin from the passenger cabin. The front car body has important influence on the torsional rigidity, the mode and the like of the car body, is a main drainage structure of the front car body, has relatively severe environment, and can easily cause corrosion, abnormal sound, noise and the like of parts if the structure is unreasonable, thereby influencing the quality of the car and the driving comfort.
At present, a common pressure chamber plate structure of an automobile fan heater comprises a pressure chamber plate body, a front windshield mounting plate and the like, wherein the section of the pressure chamber plate body is more U-shaped. The back side flanging surface of the glass surface of the front glass baffle mounting plate is in up-and-down fit welding with the back side vertical surface flanging surface of the pressure chamber plate body; and at the two ends, the front side edge face of the glass face of the front windshield mounting plate is attached to the rear side vertical face of the pressure chamber plate body and is welded with the side edge flanges together. The main problems with this structure are:
(1) the front windshield mounting plate and the pressure chamber plate body form a cavity structure similar to an opening at the lower part, and an air bag is easily formed during over-coating, so that electrophoresis is incomplete, and parts are easily corroded;
(2) in order to meet the pedestrian protection performance, a glass mounting surface does not form a closed cavity structure, so that the problems of low local rigidity and mode, easy generation of noise, abnormal sound and the like are solved.
Therefore, the pressure chamber plate structure of the common automobile fan heater needs to be fundamentally improved.
CN 202147726U discloses a connection structure of a pressure chamber plate and a front upright post inner skin of an automobile warm air blower, wherein the pressure chamber plate of the warm air blower is connected with the front upright post inner skin through flanging welding; and the welding connection position is also provided with a connecting piece, and the left end and the right end of the connecting piece are provided with connecting holes which are respectively connected with the warm air blower pressure chamber and the front upright post inner skin through bolts. The structure adopts the connecting piece to realize the connection with the warm air blower pressure chamber plate and the front upright inner skin through bolts, and forms a frame structure with good structural strength and rigidity, so as to enhance the rigidity and the strength of the connection between the side wall and the engine compartment, improve the torsional mode of a white automobile body and improve the fatigue durability of the automobile body.
The technical solutions disclosed in the above patent documents are, of course, a useful attempt in the field of said technology.
Disclosure of Invention
The invention aims to provide a pressure chamber plate structure of an automobile fan heater, which can improve the corrosion resistance, strength and rigidity of the pressure chamber plate structure of the automobile fan heater, improve NVH (noise, vibration and harshness) performance and meet the requirement of pedestrian protection.
The invention relates to a pressure chamber plate structure of an automobile warm air blower, which comprises a warm air blower pressure chamber plate assembly and a side wall assembly arranged at the end part of the warm air blower pressure chamber plate assembly, wherein the side wall assembly is connected with the warm air blower pressure chamber plate assembly through a connecting member, and the structure is characterized in that:
the fan heater pressure chamber plate assembly comprises a pressure chamber front plate and a pressure chamber rear plate, wherein the lower side of the pressure chamber rear plate is fixedly connected with the rear side of the pressure chamber front plate in an overlapping manner; the pressure chamber rear plate is provided with a rear plate vertical surface, a rear plate inclined surface, a curved surface bent backwards and a front windshield mounting surface which are sequentially connected;
the fan heater pressure chamber plate assembly also comprises a reinforcing piece, wherein the section of the reinforcing piece is in a [ -shape and is provided with a bottom surface, a lower side turnover surface and an upper side surface;
the reinforcing piece is connected with the upper portion of the rear face of the rear plate of the pressure chamber in a matched mode, the upper side face of the reinforcing piece is connected with the lower face of the front windshield mounting face, the lower side flanging of the reinforcing piece is connected with the upper face of the inclined face of the rear plate, the bottom face of the reinforcing piece corresponds to the curved face of the rear plate of the pressure chamber, the curved face is bent backwards, a closed cavity structure is formed, and the cavity structure and the vertical face of the rear plate form a cantilever structure.
Further, the bottom surface of the reinforcing piece inclines leftwards from bottom to top, and the included angle alpha between the bottom surface of the reinforcing piece and the perpendicular bisector is 25-30 degrees; the reinforcing piece is connected with the pressure chamber rear plate in a matched mode to form a closed cavity, the cross section of the closed cavity is trapezoidal, the length of the bottom edge B of the trapezoid is 30mm, and the height h of the bottom edge B of the trapezoid is 15 mm.
Furthermore, a plurality of sinking platforms are arranged on the upper side surface of the reinforcing piece at equal intervals; and a plurality of strip-shaped counter sink holes are equidistantly arranged on the bottom surface of the reinforcing piece.
Furthermore, the side wall assembly comprises a side wall inner plate vertical face and a side wall glass mounting face arranged on the side wall inner plate vertical face, and a plurality of open Y-direction flanging faces are arranged on the side edge of the side wall inner plate vertical face.
Further, the connecting member has a connecting elevation, an upper flange face, a lower flange face and an end flange face; the connecting member is fixedly connected to the side wall assembly, an upper flanging surface of the connecting member is connected with the side wall glass mounting surface through spot welding, and an end flanging surface of the connecting member is connected with the side wall inner plate vertical surface through spot welding.
Further, the bottom surface of the reinforcing piece is connected with the connecting vertical surface of the connecting component through plug welding; the lower side turn-over surface of the reinforcing piece is connected with the lower turn-over surface of the connecting component through spot welding.
Furthermore, the rear plate vertical surface of the rear plate of the pressure chamber of the fan heater pressure chamber plate assembly is connected with the Y-direction flanging surface of the side wall assembly through eight spot welds.
Compared with the prior art, the invention has the following advantages:
the glass mounting surface is positioned on the closed cavity structure, and the closed cavity structure extends to the side wall all the time, so that the local mode is improved, and the improvement of NVH (noise, vibration and harshness) performance is facilitated;
because the glass mounting surface is in a closed cavity structure, the cavity structure and the vertical surface of the rear plate form a cantilever structure, the front windshield mounting surface reinforcing piece is positioned in the passenger compartment, and the bottom surface of the reinforcing piece is provided with a plurality of strip-shaped sinking platform holes, the Z-direction strength of the structure is weakened, so that the structure meets the pedestrian protection requirement;
because the front windshield installation surface reinforcing piece is positioned in the passenger compartment and is in a cavity structure formed by the front windshield installation surface reinforcing piece and the pressure chamber plate body rear plate, the coating quality problem can be solved by the modes of forming holes, locally leaving gaps on welding edges and the like, and the electrophoresis quality is good.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic view of the overlapping of a fan heater pressure chamber plate assembly and a side wall assembly of the present invention;
FIG. 3 is a schematic structural view of a fan heater pressure chamber plate assembly of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic view of the connection of the side panel assembly to the side panel attachment member of the present invention;
fig. 6 is a schematic view of the connection between the warm air blower pressure chamber plate assembly and the side wall assembly through the side wall connecting member.
In the figure:
1-a front plate of the pressure chamber,
2-pressure chamber back plate, 21-back plate vertical surface, 22-back plate inclined surface, 23-front windshield installation surface,
3-reinforcing member, 31-bottom surface, 32-lower side surface, 33-upper side surface, 34-sinking platform, 35-sinking platform hole;
4-connecting component, 41-support facade, 42-upper flanging surface, 43-lower flanging surface and 44-end flanging surface;
5-side wall assembly, 51-side wall inner plate vertical surface, 52-side wall glass mounting surface and 53-Y direction flanging surface.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 6, the pressure chamber plate structure of the automotive heater unit comprises a heater unit pressure chamber plate assembly and a side wall assembly 5 arranged at the end part of the heater unit pressure chamber plate assembly, wherein the side wall assembly is connected with the heater unit pressure chamber plate assembly through a connecting member 4, and the structure has the prominent substantive characteristics that:
the warm air blower pressure chamber plate assembly comprises a pressure chamber front plate 1 and a pressure chamber rear plate 2, wherein the lower side of the pressure chamber rear plate is fixedly connected with the rear side of the pressure chamber front plate in an overlapping manner; the pressure chamber rear plate 2 is provided with a rear plate vertical surface 21, a rear plate inclined surface 22, a curved surface bent backwards and a front windshield mounting surface 23 which are sequentially connected;
the fan heater pressure chamber plate assembly also comprises a reinforcing piece 3, wherein the section of the reinforcing piece 3 is in a [ -shape and is provided with a bottom surface 31, a lower side turnover surface 32 and an upper side surface 33;
the reinforcing part 3 is connected with the upper part of the back surface of the pressure chamber back plate 2 in a matching way, the upper side surface 33 is connected with the lower surface of the front windshield mounting surface 23, the lower side flanging 32 is connected with the upper surface of the back plate inclined surface 22, the bottom surface 31 corresponds to the curved surface of the pressure chamber back plate 2 which is bent backwards, a closed cavity structure is formed, and the cavity structure and the back plate vertical surface 21 form a cantilever structure.
Because the front windshield mounting surface is positioned on the closed cavity formed by the rear plate of the pressure chamber plate body and the reinforcing piece, and the closed cavity extends to the side wall assembly through the connecting component, the properties of the glass mounting surface, such as mode, rigidity and the like, are greatly improved; as the reinforcement is positioned in the passenger compartment, the corrosion resistance is greatly improved.
The bottom surface 31 of the reinforcing part 3 inclines leftwards from bottom to top, and the included angle alpha between the bottom surface and the perpendicular bisector is 25 degrees (or 26 degrees, or 27 degrees, or 28 degrees, or 29 degrees, or 30 degrees); the cross section of a closed cavity formed by matching and connecting the reinforcing piece 3 and the pressure chamber rear plate 2 is trapezoidal, the length of the bottom edge B of the trapezoid is 30mm, and the height h of the bottom edge B of the trapezoid is 15 mm.
A plurality of sinking platforms 34 are arranged on the upper side surface 33 of the reinforcing member 3 at equal distances so as to improve the strength of the reinforcing member; a plurality of elongated counter sink holes 35 are equidistantly formed in the bottom surface 31 of the reinforcement 3 to weaken the Z-direction strength and meet the requirement of pedestrian protection.
The side wall assembly 5 comprises a side wall inner plate vertical surface 51 and a side wall glass mounting surface 52 arranged on the upper side of the side wall inner plate vertical surface, wherein a plurality of open Y-direction flanging surfaces 53 are arranged on the side edge of the side wall inner plate vertical surface 51.
The connecting member 4 has a connecting upright face 41, an upper flange face 42, a lower flange face 43 and an end flange face 44; the connecting member 4 is fixedly connected to the side wall assembly 5, the upper flanging surface 42 of the connecting member 4 is connected with the side wall glass mounting surface 52 through spot welding, and the end flanging surface 44 of the connecting member 4 is connected with the side wall inner plate vertical surface 51 through spot welding.
The bottom surface 31 of the reinforcing part 3 is connected with the connecting vertical surface 41 of the connecting component 4 by plug welding; the lower turned-over surface 32 of the reinforcement 3 and the lower turned-over surface 43 of the connecting member 4 are joined by spot welding.
The rear plate vertical surface 21 of the pressure chamber rear plate 2 of the fan heater pressure chamber plate assembly is connected with the Y-direction flanging surface 53 of the side wall assembly 5 through eight spot welding.
The fan heater pressure chamber plate assembly is fixedly connected with the side wall assembly 5 through a connecting component 4; the upper flanging surface 42 of the connecting component 4 is partially notched; avoid the appearance of more than four layers of welding; the upper flanging surface 42 of the connecting component 4 is connected with the front windshield installation surface 23 of the pressure chamber rear plate 2 in a spot welding way; the side wall glass mounting surface 52 is connected with the front windshield mounting surface 23 of the pressure chamber back plate 2 through spot welding, and a gap is formed in the part of the side wall glass mounting surface 52; the occurrence of more than four layers of solder is avoided.
The gap between the front windshield mounting surface 22 of the pressure chamber rear plate 2 and the upper side surface 32 of the reinforcement 3 except for the portion where the welding spot is opened is 2 mm.
Claims (5)
1. A pressure chamber plate structure of an automobile warm air blower comprises a warm air blower pressure chamber plate assembly and a side wall assembly (5) at the end part of the warm air blower pressure chamber plate assembly, wherein the side wall assembly (5) comprises a side wall inner plate vertical face (51) and a side wall glass mounting face (52) arranged on the side wall inner plate vertical face, and a plurality of open Y-direction flanging faces (53) are arranged on the side edge of the side wall inner plate vertical face (51); the side wall assembly is connected with a warm air blower pressure chamber plate assembly through a connecting component (4), and is characterized in that:
the warm air blower pressure chamber plate assembly comprises a pressure chamber front plate (1) and a pressure chamber rear plate (2) of which the lower side is fixedly connected with the rear side of the pressure chamber front plate in an overlapping manner; the pressure chamber rear plate (2) is provided with a rear plate vertical surface (21), a rear plate inclined surface (22), a curved surface which is bent backwards and a front windshield installation surface (23) which are sequentially connected;
the fan heater pressure chamber plate assembly also comprises a reinforcing piece (3), wherein the section of the reinforcing piece (3) is in a [ -shape and is provided with a bottom surface (31), a lower side turnover surface (32) and an upper side surface (33);
the reinforcing piece (3) is connected with the upper part of the rear surface of the pressure chamber rear plate (2) in a matched mode, the upper side surface (33) is connected with the lower surface of the front windshield mounting surface (23), the lower side turnover surface (32) is connected with the upper surface of the rear plate inclined surface (22), the bottom surface (31) corresponds to the curved surface of the pressure chamber rear plate (2) which is bent backwards to form a closed cavity structure, and the cavity structure and the rear plate vertical surface (21) form a suspension structure;
the connecting member (4) is provided with a connecting vertical surface (41), an upper flanging surface (42), a lower flanging surface (43) and an end flanging surface (44); the connecting component (4) is fixedly connected to the side wall assembly (5), an upper flanging surface (42) of the connecting component (4) is connected with a side wall glass mounting surface (52) through spot welding, and an end flanging surface (44) of the connecting component (4) is connected with a side wall inner plate vertical surface (51) through spot welding.
2. The pressure chamber plate structure of a heater unit for automobiles as claimed in claim 1, wherein: the bottom surface (31) of the reinforcing part (3) inclines leftwards from bottom to top, and the included angle alpha between the bottom surface and the perpendicular bisector is 25-30 degrees; the reinforcing piece (3) and the pressure chamber rear plate (2) are connected in a matched mode to form a closed cavity, the cross section of the closed cavity is trapezoidal, the length of the bottom edge B of the trapezoid is 30mm, and the height h of the bottom edge B of the trapezoid is 15 mm.
3. The pressure chamber plate structure of an automotive heater unit according to claim 1 or 2, wherein: a plurality of sinking platforms (34) are arranged on the upper side surface (33) of the reinforcing piece (3) at equal distances; a plurality of elongated counter sink holes (35) are equidistantly arranged on the bottom surface (31) of the reinforcement (3).
4. The pressure chamber plate structure of an automotive heater unit according to claim 1 or 2, wherein: the bottom surface (31) of the reinforcing part (3) is connected with the connecting vertical surface (41) of the connecting component (4) through plug welding; the lower side turn-over surface (32) of the reinforcing piece (3) is connected with the lower turn-over surface (43) of the connecting component (4) through spot welding.
5. The pressure chamber plate structure of a heater unit for automobiles according to claim 1 or 2, wherein: the rear plate vertical surface (21) of the rear plate (2) of the pressure chamber of the fan heater pressure chamber plate assembly is connected with the Y-direction flanging surface (53) of the side wall assembly (5) through eight spot welds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010448867.9A CN111731389B (en) | 2020-05-25 | 2020-05-25 | Pressure chamber plate structure of automobile fan heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010448867.9A CN111731389B (en) | 2020-05-25 | 2020-05-25 | Pressure chamber plate structure of automobile fan heater |
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| Publication Number | Publication Date |
|---|---|
| CN111731389A CN111731389A (en) | 2020-10-02 |
| CN111731389B true CN111731389B (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010448867.9A Active CN111731389B (en) | 2020-05-25 | 2020-05-25 | Pressure chamber plate structure of automobile fan heater |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148418A (en) * | 2021-11-25 | 2022-03-08 | 重庆长安汽车股份有限公司 | Warm air blower pressure chamber plate welding assembly and vehicle |
Citations (7)
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|---|---|---|---|---|
| CN1239045A (en) * | 1998-06-17 | 1999-12-22 | 铃木株式会社 | Structure of cowl portion |
| JP2003104237A (en) * | 2001-09-28 | 2003-04-09 | Mazda Motor Corp | Front body structure of vehicle |
| CN101638111A (en) * | 2008-08-01 | 2010-02-03 | 本田技研工业株式会社 | Structure of windshield supporting part |
| CN202147726U (en) * | 2011-05-31 | 2012-02-22 | 重庆长安汽车股份有限公司 | Automobile warm air blower pressure chamber plate and front pillar inner skin connection structure |
| CN103121471A (en) * | 2013-02-28 | 2013-05-29 | 安徽江淮汽车股份有限公司 | Front wall upper cover plate assembly |
| CN207550314U (en) * | 2017-11-07 | 2018-06-29 | 重庆长安汽车股份有限公司 | A kind of lock pin reinforcement for car front covers assembly |
| CN208698894U (en) * | 2018-07-31 | 2019-04-05 | 重庆长安汽车股份有限公司 | Front windshield lower beam supporting element and its connection structure with fan heater pressure chamber plate |
-
2020
- 2020-05-25 CN CN202010448867.9A patent/CN111731389B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1239045A (en) * | 1998-06-17 | 1999-12-22 | 铃木株式会社 | Structure of cowl portion |
| JP2003104237A (en) * | 2001-09-28 | 2003-04-09 | Mazda Motor Corp | Front body structure of vehicle |
| CN101638111A (en) * | 2008-08-01 | 2010-02-03 | 本田技研工业株式会社 | Structure of windshield supporting part |
| CN202147726U (en) * | 2011-05-31 | 2012-02-22 | 重庆长安汽车股份有限公司 | Automobile warm air blower pressure chamber plate and front pillar inner skin connection structure |
| CN103121471A (en) * | 2013-02-28 | 2013-05-29 | 安徽江淮汽车股份有限公司 | Front wall upper cover plate assembly |
| CN207550314U (en) * | 2017-11-07 | 2018-06-29 | 重庆长安汽车股份有限公司 | A kind of lock pin reinforcement for car front covers assembly |
| CN208698894U (en) * | 2018-07-31 | 2019-04-05 | 重庆长安汽车股份有限公司 | Front windshield lower beam supporting element and its connection structure with fan heater pressure chamber plate |
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| CN111731389A (en) | 2020-10-02 |
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