WO2019142500A1 - Structure de fixation temporaire, échangeur de chaleur doté de cette dernière, et procédé de fixation temporaire - Google Patents

Structure de fixation temporaire, échangeur de chaleur doté de cette dernière, et procédé de fixation temporaire Download PDF

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Publication number
WO2019142500A1
WO2019142500A1 PCT/JP2018/043440 JP2018043440W WO2019142500A1 WO 2019142500 A1 WO2019142500 A1 WO 2019142500A1 JP 2018043440 W JP2018043440 W JP 2018043440W WO 2019142500 A1 WO2019142500 A1 WO 2019142500A1
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WO
WIPO (PCT)
Prior art keywords
convex portion
temporary fixing
brazing material
peripheral surface
tank
Prior art date
Application number
PCT/JP2018/043440
Other languages
English (en)
Japanese (ja)
Inventor
晋作 芳井
伸介 竹内
沖ノ谷　剛
加藤　淳司
安藤　康博
Original Assignee
株式会社デンソー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2018204006A external-priority patent/JP7225683B2/ja
Application filed by 株式会社デンソー filed Critical 株式会社デンソー
Publication of WO2019142500A1 publication Critical patent/WO2019142500A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates

Definitions

  • the present disclosure relates to a temporary fixing structure for temporarily fixing two members, a heat exchanger including the same, and a temporary fixing method.
  • a so-called tank-and-tube type heat exchanger having a plurality of tubes through which fluid flows and a pair of header tanks disposed at both ends of the plurality of tubes for collecting or distributing the fluid flowing through the tubes. It has been known.
  • the header tank is formed in a tubular shape by combining two members.
  • the temporary fixing structure which temporarily fixes two members (henceforth two tank structural members) which comprise a header tank before brazing is proposed by patent document 1, for example.
  • the two tank components are temporarily fixed by providing a plurality of claws (that is, caulking portions) fixed to one of the two tank components to the other by caulking.
  • An object of the present disclosure is to provide a temporary fixing structure capable of suppressing the occurrence of positional deviation between two members at the time of brazing, a heat exchanger including the same, and a temporary fixing method.
  • At least one brazing material layer is provided between the first member and the second member.
  • the first member is formed with a convex portion protruding from the surface of the first member toward the second member, and the second member is formed with a concave portion fitted with the convex portion, and the convex is formed.
  • the first member and the second member are temporarily fixed in a state where the outer peripheral surface of the portion and the inner peripheral surface of the recess are in contact, and the brazing material is on both the outer peripheral surface of the protrusion and the inner peripheral surface of the recess. There are places that are not provided.
  • brazing material is not provided on the contact surface between the convex portion and the concave portion, that is, both the outer peripheral surface of the convex portion and the inner peripheral surface of the concave portion.
  • the presence of liquefied brazing material can be suppressed. For this reason, it is possible to suppress the occurrence of positional deviation between the first member and the second member at the time of brazing.
  • the temporary fixing method of temporarily fixing the first member and the second member includes a convex portion forming step of forming a convex portion protruding from the surface of the first member, and the second member, After the concave portion forming step of forming the concave portion to be fitted to the convex portion, and the convex portion forming step and the concave portion forming step, the convex portion is fitted to the concave portion, and at least one layer is provided between the first member and the second member.
  • the contact surface between the convex portion and the concave portion that is, both the outer peripheral surface of the convex portion and the inner peripheral surface of the concave portion has a portion not having a brazing material
  • the presence of liquefied brazing material can be suppressed. For this reason, it is possible to suppress the occurrence of positional deviation between the first member and the second member at the time of brazing.
  • At least one brazing material layer is provided between the first member and the second member.
  • the first member is formed with a convex portion projecting from the surface of the first member toward the second member, and in a state where the outer peripheral surface of the convex portion is in contact with the outer surface of the second member, The first member and the second member are temporarily fixed, and there are places where the brazing material is not provided on both the outer peripheral surface of the convex portion and the outer surface of the second member.
  • the contact surface between the convex portion and the second member that is, the outer peripheral surface of the convex portion and the outer surface of the second member have portions where the brazing material is not provided
  • the convex portion and the second portion It is possible to suppress the presence of liquefied brazing material between the two members. For this reason, it is possible to suppress the occurrence of positional deviation between the first member and the second member at the time of brazing.
  • FIG. 3 is a cross-sectional view taken along the line III-III in FIG.
  • the temporary fixing structure is applied to a temporary fixing structure of the core plate 16 and the tank main body 15, which will be described later, which are components of the refrigerant radiator.
  • the refrigerant radiator 100 shown in FIG. 1 constitutes a supercritical refrigeration cycle in which carbon dioxide is employed as a refrigerant.
  • the supercritical refrigeration cycle is a refrigeration cycle that uses ethylene, ethane, nitrogen oxide or the like as a refrigerant in addition to the above-mentioned carbon dioxide, and means that the high-pressure side pressure is equal to or higher than the critical pressure of the refrigerant.
  • the refrigerant radiator 100 includes a core portion 10 and a pair of header tanks 14.
  • Each member which comprises the core part 10 and the header tank 14 is comprised from aluminum or aluminum alloy. Moreover, each member which comprises the core part 10 and the header tank 14 is assembled
  • the core portion 10 includes a plurality of tubes 11 having a flat cross section and a plurality of fins 12 formed in a wave shape.
  • the plurality of tubes 11 and the plurality of fins 12 are alternately stacked.
  • the longitudinal direction of the tube 11 is referred to as a tube longitudinal direction.
  • the lamination direction of the tube 11 and the fin 12 is called tube lamination direction.
  • circulates the exterior of the tube 11 is called air flow direction.
  • the tube 11 is constituted by a multi-hole tube having a plurality of flow passages aligned in the flat long side direction (i.e., the air flow direction) inside thereof.
  • the tube 11 of the present embodiment is formed by extrusion molding.
  • Side plates 13 for reinforcing the core portion 10 are provided at both ends of the core portion 10 in the tube stacking direction.
  • the side plate 13 extends in parallel with the longitudinal direction of the tube, and both ends thereof are connected to the header tank 14.
  • the header tank 14 distributes or collects the refrigerant to the plurality of tubes 11.
  • the header tank 14 extends in the tube laminating direction and communicates with the plurality of tubes 11 at both ends in the tube longitudinal direction.
  • the header tank 14 is disposed at the upper and lower ends of the tube 11 and extends in the left-right direction to communicate with the plurality of tubes 11.
  • header tank 14 and the tube 11 are joined by brazing so that the flow passage portion 151 provided inside the header tank 14 and the inside of the tube 11 communicate with each other.
  • An end cap 28 is provided at one end of each header tank 14 in the longitudinal direction (i.e., the tube stacking direction). One end of the two openings formed by the flow portion 151 of each header tank 14 is closed by the end cap 28.
  • one of the pair of header tanks 14 (in this example, the upper side in FIG. 1) is referred to as a first header tank 141, and the other (in this example, the lower side in FIG. 1). 14 is referred to as a second header tank 142.
  • An inlet joint 191 is provided at the end of the first header tank 141 where the end cap 28 is not provided in the tube stacking direction.
  • the inlet joint 191 forms an inlet through which the refrigerant flows into the flow portion 151 of the first header tank 141.
  • An outlet joint 192 is provided at the end of the second header tank 142 where the end cap 28 is not provided in the tube stacking direction.
  • the outlet joint 192 forms an outlet through which the refrigerant flows out of the flow portion 151 of the second header tank 142.
  • the header tank 14 is composed of the tank main body 15 in which the flowing part 151 through which the refrigerant flows is formed, and the core plate 16 joined in the state where the tube 11 is inserted. It consists of
  • the tank body 15 together with the core plate 16 constitutes a tank internal space.
  • the tank body portion 15 has a tank space forming portion 152 which forms a part of the flow portion 151 and a tank joint portion 153 joined to the core plate 16.
  • the tank space forming portion 152 is formed such that the cross-sectional shape perpendicular to the tube stacking direction is substantially arc-shaped. That is, the tank space forming portion 152 is formed such that at least a part of the inner wall surface (i.e., the surface on the side of the circulation portion 151) has a substantially arc shape. For this reason, the cross-sectional shape of the circulation part 151 perpendicular
  • a tank opening 155 is formed on the tube 11 side (i.e., the core plate 16 side) of the tank space forming portion 152.
  • the tank joint portion 153 is formed in a plate shape orthogonal to the longitudinal direction of the tube.
  • the tank joint portion 153 is connected to both ends of the tank space forming portion 152 in the air flow direction. Therefore, the tank opening 155 is formed between the two tank junctions 153 in a cross section perpendicular to the tube stacking direction.
  • the tank joint portion 153 is integrally formed with the tank space forming portion 152.
  • the tank body portion 15 having the tank space forming portion 152 and the tank joint portion 153 configured in this manner is formed by pressing a flat plate member (i.e., a bare member) whose surface is not clad with brazing material. There is.
  • the core plate 16 has a plate space forming portion 161 forming the flow portion 151 and a plate joint portion 162 joined to the tank joint portion 153 of the tank body portion 15.
  • the plate space forming portion 161 is formed such that at least a part thereof has a substantially arc-shaped cross-sectional shape perpendicular to the tube stacking direction. That is, the plate space forming portion 161 is formed such that at least a part of the inner wall surface (that is, the surface on the side of the circulating portion 151) has a substantially arc shape. For this reason, the cross-sectional shape perpendicular to the tube stacking direction in at least a part of the circulation portion 151 is formed circular at least on the bottom portion 163 side closer to the tube 11.
  • a plate opening 164 is formed on the side (that is, the tank main body 15 side) of the plate space forming portion 161 far from the tube 11.
  • the communicating portion 151 partitioned by the tank space forming portion 152 and the circulating portion 151 partitioned by the plate space forming portion 161 communicate with each other through the plate opening portion 164 and the tank opening portion 155.
  • the plate space forming portion 161 is formed with a tube insertion hole (not shown) to be joined in a state where the longitudinal end of the tube 11 is inserted.
  • the longitudinal end of the tube 11 is in communication with the flow passage 151.
  • the plate joint portion 162 is formed in a plate shape perpendicular to the longitudinal direction of the tube.
  • the plate joint portion 162 is connected to both ends of the plate space forming portion 161 in the air flow direction. Therefore, the plate opening 164 is formed between the two plate joints 162 in a cross section perpendicular to the tube stacking direction.
  • the plate joint portion 162 is integrally formed with the plate space forming portion 161.
  • the core plate 16 having the plate space forming portion 161 and the plate joint portion 162 configured in this manner is formed by pressing a flat member clad (that is, covered) with a brazing material in advance on the surface.
  • the brazing material is clad on the surface of the flat plate member on the tank main body 15 side.
  • the brazing material may be clad on both sides of the flat plate member.
  • the tank body 15, the core plate 16 and the tube 11 configured as described above are assembled as shown in FIG. Then, the members 15, 16, 11 are integrally brazed by the brazing material provided on the core plate 16.
  • the tank body 15 and the core plate 16 are temporarily fixed before brazing. Further, the thickness of the core plate 16 is thicker than the thickness of the tank main body 15.
  • the core plate 16 of the present embodiment corresponds to a first member, and the tank main body 15 of the present embodiment corresponds to a second member.
  • one brazing material layer 17 is provided between the tank body 15 and the core plate 16.
  • the brazing material layer 17 is clad on the surface of the core plate 16 on the tank main body 15 side.
  • the plate joint portion 162 of the core plate 16 is formed with a convex portion 20 which protrudes from the surface of the core plate 16 toward the tank main body 15 side.
  • the convex portion 20 is formed by half blanking the plate joint portion 162, that is, by half blanking the plate joint portion 162.
  • the tank joint portion 153 of the tank main body portion 15 is formed with a concave portion 30 to be fitted with the convex portion 20.
  • the recess 30 is configured by a through hole that penetrates the front and back of the tank joint portion 153.
  • the cross-sectional shape perpendicular to the arrangement direction of the tank body 15 and the core plate 16 (that is, the longitudinal direction of the tube) in the recess 30 is circular.
  • the arrangement direction of the tank body 15 and the core plate 16 will be referred to as the arrangement direction.
  • the inner circumferential surface 31 of the recess 30 is formed in a tapered shape such that the inner diameter of the recess 30 decreases toward the core plate 16 (the lower side in the drawing of FIG. 4). That is, the inner peripheral surface 31 of the recess 30 is formed in a tapered shape such that the inner diameter of the recess 30 decreases toward one end side in the arrangement direction. That is, the inner circumferential surface 31 of the recess 30 is formed in a tapered shape such that the inner diameter of the recess 30 increases toward the tip end of the protrusion 20.
  • the inner peripheral surface 31 of the recess 30 is formed in a tapered shape such that the cross-sectional area of the cross section perpendicular to the arrangement direction of the recess 30 continuously increases as the distance from the surface side of the core plate 16 increases.
  • brazing material is provided on both the outer circumferential surface 21 of the convex portion 20 and the inner circumferential surface 31 of the concave portion 30.
  • the core plate 16 and the tank main body 15 are temporarily fixed in a state where the outer peripheral surface 21 of the convex portion 20 and the inner peripheral surface 31 of the concave portion 30 are in contact with each other. That is, the core plate 16 and the tank main body 15 are temporarily fixed in a state where the surface of the convex portion 20 where the brazing material is not provided is in contact with the surface where the brazing material is not provided of the recess 30.
  • a convex portion forming step of forming the convex portion 20 on the plate bonding portion 162 of the core plate 16 is performed.
  • the core plate 16 is half-blanked to form the convex portion 20.
  • the convex portion 20 is formed in a cylindrical shape. That is, in the convex portion forming step, the convex portion 20 is formed so that the cross-sectional shape perpendicular to the arrangement direction is circular. In addition, you may form the convex part 20 by extrusion processing.
  • the convex portion 20 is formed such that its height dimension h 1 is larger than the thickness dimension d 1 of the brazing material layer 17.
  • the height dimension h 1 of the convex portion 20 is the length in the arrangement direction of the convex portion 20.
  • the height dimension h1 of the convex portion 20 is the arrangement from the surface of the plate joint portion 162 on the tank main body 15 side to the tip of the convex portion 20 (that is, the end opposite to the core plate 16) It is the length of the direction.
  • a recess forming step of forming the recess 30 in the tank bonding portion 153 of the tank main body 15 is performed.
  • the tank body 15 is punched to form a recess 30 which is a through hole.
  • the assembling process of the present embodiment includes a fitting process and a caulking process.
  • the core plate 16 and the tank main body 15 are assembled, and the convex portion 20 is fitted in the concave portion 30. At this time, the brazing material layer 17 is located between the tank body 15 and the core plate 16.
  • a caulking process is performed for caulking the projection 20.
  • the outer peripheral surface 21 of the convex portion 20 and the inner peripheral surface 31 of the concave portion 30 are in contact by caulking the convex portion 20 from the tip end side (that is, the opposite side to the core plate 16).
  • the convex portion 20 is pressed outward from the tip end by the jig 40, and the outer peripheral surface 21 of the convex portion 20 is squeezed by pressing and expanding the convex portion 20 radially outward. Are brought into contact with the inner circumferential surface 31 of the recess 30. Thereby, the core plate 16 and the tank main body 15 are temporarily fixed.
  • the outer peripheral surface 21 having no brazing material in the convex portion 20 and the inner peripheral surface 31 having no brazing material in the recess 30 can be brought into contact with each other.
  • the outer peripheral surface 21 having the portion without the brazing material in the convex portion 20 can be brought into contact with the inner peripheral surface 31 having the portion without the brazing material in the recess 30.
  • the outer peripheral surface of the convex portion 20 is formed by caulking the convex portion 20 from the tip end side after fitting the convex portion 20 of the core plate 16 to the concave portion 30 of the tank main body 15 21 and the inner circumferential surface 31 of the recess 30 are in contact with each other. Therefore, the core plate 16 and the tank main body 15 are temporarily fixed in a state where the outer peripheral surface 21 of the convex portion 20 and the inner peripheral surface 31 of the concave portion 30 are in contact with each other. At this time, the brazing material is not provided on the contact surface between the convex portion 20 and the concave portion 30, that is, both the outer peripheral surface 21 of the convex portion 20 and the inner peripheral surface 31 of the concave portion 30.
  • the presence of the liquefied brazing material between the convex portion 20 and the concave portion 30 at the time of brazing can be suppressed. Therefore, it is possible to suppress the occurrence of positional deviation between the core plate 16 and the tank main body 15 at the time of brazing. Thereby, the productivity of the refrigerant radiator 100 can be improved.
  • a temporary fixing structure in which the core plate 16 and the tank main body 15 are fixed by caulking by the claws provided on the core plate 16 is referred to as a temporary fixing structure of Comparative Example 1.
  • the temporary fixing structure of this comparative example 1 when the brazing material of the claw portion liquefies during brazing, the fixing force by the claw portion is reduced, and positional deviation between the core plate 16 and the tank main portion 15 occurs. .
  • the claw portion is a portion provided for temporary fixing, and becomes a portion having no function at all after brazing. That is, there is a problem that the amount of use of the material (i.e., the plate material) forming the core plate 16 is increased only for the temporary fixing.
  • the temporary fixing structure of the present embodiment it is not necessary to provide another member such as a claw or the like only for performing the temporary fixing. For this reason, while suppressing the fall of the design freedom of the core plate 16, it can suppress that the usage-amount of material increases.
  • the convex part 20 in this embodiment is formed by half-blanking the core plate 16, and also functions as a part of the header tank 14 after brazing. For this reason, the convex part 20 is not a member provided only for performing temporary fixing.
  • a temporary fixing structure in which the core plate 16 and the tank main body 15 are temporarily fixed by welding is referred to as a temporary fixing structure of Comparative Example 2.
  • the temporary fixing structure of this comparative example 2 since the installation for welding is needed, there exists a problem that a manufacturing installation becomes complicated. In addition, there is a problem that the quality stability is lowered and the power consumption at the time of manufacture is increased because welding is performed.
  • the temporary fixing structure of the present embodiment since it is not necessary to perform welding, it is possible to suppress deterioration in quality stability, complication of manufacturing facilities, and increase in power consumption at the time of manufacturing.
  • the thickness of the core plate 16 is larger than the thickness of the tank main body 15. According to this, the area of the outer peripheral surface 21 of the convex portion 20 can be increased by forming the convex portion 20 on the core plate 16 having a thicker plate thickness. For this reason, when caulking convex part 20 and crevice 30, a caulking area can be secured widely and caulking strength can be improved.
  • Second Embodiment A second embodiment will be described based on FIGS. 7 and 8.
  • the second embodiment is different from the first embodiment in the temporary fixing structure of the tank main body 15 and the core plate 16.
  • the convex part 20 of this embodiment is formed in the plate shape extended in a tube lamination direction (vertical direction of the paper surface of FIG. 7).
  • the recessed part 30 of this embodiment is comprised by the non-penetrating hole which does not penetrate the front and back of the tank junction part 153.
  • the recess 30 is formed in a groove shape extending in the tube stacking direction.
  • the recess 30 is open at the surface of the tank joint 153 facing the core plate 16.
  • the depth dimension (that is, the length in the arrangement direction) of the recess 30 is equal to or greater than the height dimension of the protrusion 20.
  • the inner diameter of the recess 30 and the outer diameter of the protrusion 20 are equal.
  • the inner diameter of the recess 30 is the length of the recess 30 in the air flow direction.
  • the outer diameter dimension of the convex portion 20 is the length dimension in the air flow direction of the concave portion 30.
  • the convex portion 20 is temporarily fixed by press fitting so as to be accommodated inside the concave portion 30. At this time, the outer peripheral surface 21 of the projection 20 and the inner peripheral surface 31 of the recess 30 are in contact with each other. Therefore, the core plate 16 and the tank main body 15 are temporarily fixed in a state where the surface of the convex portion 20 where the brazing material is not provided is in contact with the surface where the brazing material is not provided of the recess 30.
  • the tank main body 15 is subjected to extrusion processing to form the groove-shaped recess 30.
  • a fitting step is provided as the assembling step.
  • the core plate 16 and the tank main body 15 are assembled, and the convex portion 20 is press-fit into the concave portion 30.
  • the core plate 16 and the tank main body 15 are temporarily fixed by press-fitting the convex portion 20 so as to be accommodated inside the concave portion 30.
  • the outer peripheral surface 21 having no brazing material in the convex portion 20 and the inner peripheral surface 31 having no brazing material in the recess 30 can be brought into contact with each other.
  • coolant radiator 100 is the same as that of 1st Embodiment. Therefore, also in the refrigerant radiator 100 of the present embodiment, the same effect as that of the first embodiment can be obtained.
  • the recess 30 is configured by the non-through hole. That is, the recess 30 is formed in a groove shape. According to this, since the recessed part 30 can be formed by extrusion processing, it becomes possible to reduce processing cost and to reduce the manufacturing cost of the refrigerant radiator 100.
  • Third Embodiment A third embodiment will be described based on FIG. 9 and FIG.
  • the third embodiment is different from the first embodiment in the temporary fixing structure of the tank main body 15 and the core plate 16.
  • the convex part 20 of this embodiment is formed in a substantially cylindrical shape.
  • the cylindrical axial direction is parallel to the arrangement direction.
  • a through hole 22 penetrating the convex portion 20 in the axial direction is formed.
  • the through hole 22 has a tapered portion 221 whose hole diameter increases as it approaches the tank main body 15 side, and a cylindrical portion 222 having a constant hole diameter.
  • the tapered portion 221 is disposed closer to the tank main body 15 than the cylindrical portion 222.
  • the end of the other side (the upper side of the drawing of FIG. 8) of the cylindrical portion 222 is connected to the end of one side (the lower side of the drawing of FIG. 8) of the tapered portion 221 in the arranging direction.
  • the recessed part 30 of this embodiment is comprised by the non-penetrating hole which does not penetrate the front and back of the tank junction part 153. As shown in FIG.
  • the recess 30 is open at the surface of the tank joint 153 facing the core plate 16.
  • the depth dimension (that is, the length in the arrangement direction) of the recess 30 is equal to or greater than the height dimension of the protrusion 20.
  • the recess 30 is formed in a cylindrical shape.
  • the convex portion 20 is temporarily fixed by press fitting so as to be accommodated inside the concave portion 30. At this time, the outer peripheral surface 21 of the projection 20 and the inner peripheral surface 31 of the recess 30 are in contact with each other. Therefore, the core plate 16 and the tank main body 15 are temporarily fixed in a state where the surface of the convex portion 20 where the brazing material is not provided is in contact with the surface where the brazing material is not provided of the recess 30.
  • the half-blanking process and the through-hole formation process are provided.
  • the core plate 16 is half-blanked to form a cylindrical convex portion 20.
  • the convex portion 20 is formed such that the outer diameter of the convex portion 20 is smaller than the inner diameter of the concave portion 30.
  • the through hole 22 is formed in the convex portion 20 after the half-blanking process.
  • a cylindrical through hole 22 extending in the arrangement direction is formed at the center of the cylindrical convex portion 20.
  • the convex portion 20 is inserted into the inside of the concave portion 30. Thereafter, the convex portion 20 is pushed outward in the radial direction from the inside of the through hole 22 by a jig not shown so that the outer circumferential surface 21 of the convex portion 20 is in contact with the inner circumferential surface 31 of the concave portion 30. Thereby, the core plate 16 and the tank main body 15 are temporarily fixed.
  • the outer peripheral surface 21 having no brazing material in the convex portion 20 and the inner peripheral surface 31 having no brazing material in the recess 30 can be brought into contact with each other.
  • coolant radiator 100 is the same as that of 1st Embodiment. Therefore, also in the refrigerant radiator 100 of the present embodiment, the same effect as that of the first embodiment can be obtained.
  • a fourth embodiment will be described based on FIG. 11 and FIG.
  • the fourth embodiment differs from the first embodiment in the temporary fixing structure of the tank main body 15 and the core plate 16.
  • the recess 30 of the present embodiment is configured by a non-through hole that does not penetrate the front and back of the tank bonding portion 153.
  • the recess 30 is open at the surface of the tank joint 153 facing the core plate 16.
  • a protrusion 32 projecting toward the core plate 16 is provided on the bottom surface 300 opposed to the opening of the recess 30 in the tank main body 15.
  • the protrusions 32 are formed in a conical shape that tapers toward the core plate 16.
  • the protrusion 32 is provided at the center of the bottom surface 300. Due to the projection 32 formed in this manner, the recess 30 is formed in a V-shaped cross section in a direction perpendicular to the arrangement direction.
  • the convex portion 20 of the present embodiment is formed to be equivalent to the concave portion 30. Therefore, the outer wall surface of the projection 20 and the inner wall surface of the recess 30 are in contact with each other. That is, while the outer peripheral surface 21 of the convex part 20 and the inner peripheral surface 31 of the recessed part 30 contact, the outer wall surface 23 of the front end side in the convex part 20 and the surface 320 of the protrusion part 32 contact. Therefore, the core plate 16 and the tank main body 15 are temporarily fixed in a state where the surface of the convex portion 20 where the brazing material is not provided is in contact with the surface where the brazing material is not provided of the recess 30.
  • the tank body 15 is subjected to extrusion processing to form a substantially V-shaped recess 30.
  • the assembling process of the present embodiment includes a fitting process.
  • the core plate 16 and the tank main body 15 are assembled, and the convex portion 20 is fitted in the concave portion 30.
  • the cylindrical convex portion is plastically deformed to the same shape as the concave portion.
  • the core plate 16 and the tank main body 15 are temporarily fixed.
  • the outer peripheral surface 21 of the convex part 20 and the inner peripheral surface 31 of the recessed part 30 can be made to contact by the fitting process of this embodiment. That is, the outer peripheral surface 21 not having the brazing material in the convex portion 20 can be brought into contact with the inner peripheral surface 31 not having the brazing material in the recess 30.
  • coolant radiator 100 is the same as that of 1st Embodiment. Therefore, also in the refrigerant radiator 100 of the present embodiment, the same effect as that of the first embodiment can be obtained.
  • the fifth embodiment will be described based on FIG.
  • the fifth embodiment is different from the first embodiment in that the temporary fixing structure is applied to temporary fixing of the tank main body 15 of the refrigerant radiator 100 and the bracket 50.
  • a bracket 50 for attaching the refrigerant radiator 100 to another part is joined to the tank body 15 by brazing.
  • a brazing filler metal layer 17 is provided between the tank body 15 and the bracket 50.
  • the brazing material layer 17 is clad on the surface of the bracket 50 on the tank main body 15 side.
  • the bracket 50 has a joint portion 51 joined to a part of the outer surface of the tank body portion 15 and an attachment portion 52 connected to other parts.
  • the joint portion 51 is joined to the outer surface of the air flow upstream side portion of the tank body portion 15.
  • the mounting portion 52 extends perpendicularly to the air flow direction.
  • the convex portion 20 of the present embodiment is formed at the tank joint portion 153 on the upstream side of the air flow in the tank body portion 15.
  • the convex portion 20 is formed to project from the surface of the tank joint portion 153 opposite to the core plate 16 (upper side in the drawing of FIG. 13) toward the opposite side to the core plate 16.
  • the convex portion 20 is formed by half-blanking the tank joint portion 153.
  • the recess 30 of the present embodiment is formed in the joint portion 51 of the bracket 50.
  • the recess 30 is configured by a through hole that passes through the front and back of the bonding portion 51.
  • the bracket 50 and the tank main body 15 are temporarily fixed in a state where the inner peripheral surface 31 of the concave 30 and the outer peripheral surface 21 of the convex 20 formed on the tank main body 15 are in contact with each other. That is, the bracket 50 and the tank main body 15 are temporarily fixed in a state where the surface of the convex portion 20 where the brazing material is not provided is in contact with the surface where the brazing material is not provided of the recess 30.
  • the tank main body 15 constitutes the main body of the refrigerant radiator 100.
  • the bracket 50 is connected to the tank main body 15 that constitutes the main body of the refrigerant radiator 100. Therefore, the tank body 15 of the present embodiment corresponds to the heat exchanger component and the first member. Moreover, the bracket 50 of this embodiment is equivalent to a connection component and a 2nd member.
  • the outer peripheral surface 21 of the convex portion 20 and the inner peripheral surface 31 of the concave portion 30 are in contact by fitting the convex portion 20 of the tank main body 15 into the concave portion 30 of the bracket 50 I am doing it. Therefore, the bracket 50 and the tank main body 15 are temporarily fixed in a state where the outer peripheral surface 21 of the convex portion 20 and the inner peripheral surface 31 of the concave portion 30 are in contact with each other. At this time, the brazing material is not provided on the contact surface between the convex portion 20 and the concave portion 30, that is, both the outer peripheral surface 21 of the convex portion 20 and the inner peripheral surface 31 of the concave portion 30.
  • Sixth Embodiment A sixth embodiment will be described based on FIG.
  • the sixth embodiment is different from the first embodiment in that the temporary fixing structure is applied to temporary fixing of the tank main body 15 of the refrigerant radiator 100 and the joint 60.
  • a joint 60 which is a member for joining a refrigerant pipe (not shown) is joined to the tank body 15 by brazing.
  • a single brazing material layer 17 is provided between the tank body 15 and the joint 60.
  • the brazing material layer 17 is clad on the outer surface (i.e., the surface on the joint 60 side) of the tank body portion 15.
  • the joint 60 forms a refrigerant inlet or a refrigerant outlet of the refrigerant radiator 100.
  • the joint 60 has a main body portion 61 in which a refrigerant passage 610 through which the refrigerant flows is formed, and a joint portion 62 joined to the outer surface of the tank main body portion 15.
  • the tank space forming portion 152 of the tank body portion 15 is provided with a through hole 156 penetrating the front and back of the tank space forming portion 152.
  • the in-tank space of the header tank 14 and the refrigerant passage 610 of the joint 60 communicate with each other through the through hole 156.
  • the convex part 20 of this embodiment is respectively formed in the tank junction part 153 of the air flow upstream and downstream in the tank main-body part 15. As shown in FIG. The convex portion 20 is formed to project from the surface of the tank joint portion 153 opposite to the core plate 16 (upper side in the drawing of FIG. 14) toward the opposite side to the core plate 16. The convex portion 20 is formed by half-blanking the tank joint portion 153.
  • the recess 30 of the present embodiment is formed in the joint portion 62 of the joint 60.
  • the recess 30 is configured by a through hole that passes through the front and back of the joint portion 62.
  • the joint 60 and the tank main body 15 are temporarily fixed in a state where the inner peripheral surface 31 of the recess 30 and the outer peripheral surface 21 of the convex portion 20 formed on the tank main body 15 are in contact with each other. That is, the joint 60 and the tank main body 15 are temporarily fixed in a state where the surface of the convex portion 20 where the brazing material is not provided is in contact with the surface where the brazing material is not provided of the recess 30.
  • the tank body 15 of the present embodiment corresponds to the heat exchanger component and the first member. Further, the joint 60 of the present embodiment corresponds to the connection component and the second member.
  • the outer peripheral surface 21 of the convex portion 20 and the inner peripheral surface 31 of the concave portion 30 are in contact by fitting the convex portion 20 of the tank main body 15 into the concave portion 30 of the joint 60. I am doing it. Therefore, the joint 60 and the tank main body 15 are temporarily fixed in a state where the outer peripheral surface 21 of the convex portion 20 and the inner peripheral surface 31 of the concave portion 30 are in contact with each other. At this time, the brazing material is not provided on the contact surface between the convex portion 20 and the concave portion 30, that is, both the outer peripheral surface 21 of the convex portion 20 and the inner peripheral surface 31 of the concave portion 30.
  • the presence of the liquefied brazing material between the convex portion 20 and the concave portion 30 at the time of brazing can be suppressed. Therefore, it is possible to suppress the occurrence of positional deviation between the joint 60 and the tank body 15 at the time of brazing.
  • Seventh Embodiment A seventh embodiment will be described based on FIG.
  • the seventh embodiment is different from the first embodiment in that the temporary fixing structure is applied to temporary fixing of the side plate 13 of the refrigerant radiator 100 and the bracket 70.
  • a bracket 70 for attaching the refrigerant radiator 100 to another part is joined to the side plate 13 by brazing.
  • a layer of brazing material (not shown) is provided between the side plate 13 and the bracket 70.
  • the brazing material layer is clad on both sides of the side plate 13.
  • the side plate 13 has a base portion 131 and a pair of ribs 132.
  • the base portion 131 and the pair of ribs 132 are integrally formed.
  • the base portion 131 has a surface perpendicular to the tube stacking direction and extends in parallel with the tube longitudinal direction. Fins (not shown) are joined to the base portion 131 by brazing.
  • the ribs 132 are connected to both ends of the base portion 131 in the air flow direction.
  • the rib 132 protrudes in a direction orthogonal to the base portion 131 (in the present embodiment, the tube stacking direction), and extends in parallel with the tube longitudinal direction.
  • the bracket 70 is formed in a plate shape perpendicular to the air flow direction.
  • the bracket 70 is joined to the rib 132 on the upstream side of the air flow, of the pair of ribs 132 in the side plate 13. More specifically, the bracket 70 is joined to the air flow downstream surface of the air flow upstream rib 132.
  • the convex portion 20 of the present embodiment is formed on the bracket 70. Specifically, the convex portion 20 is formed in a cylindrical shape. In the present example, two convex portions 20 are provided side by side in the longitudinal direction of the tube. The number of convex portions 20 may be one, or three or more.
  • the recess 30 of the present embodiment is formed in one of the pair of ribs 132 in the side plate 13.
  • the recess 30 is configured by a through hole that passes through the front and back of the joint portion 62.
  • the bracket 70 and the side plate 13 are temporarily fixed in a state where the inner peripheral surface 31 of the recess 30 and the outer peripheral surface 21 of the convex portion 20 formed on the bracket 70 are in contact with each other. That is, the bracket 70 and the side plate 13 are temporarily fixed in a state where the surface of the convex portion 20 where the brazing material is not provided is in contact with the surface where the brazing material is not provided of the recess 30.
  • two recesses 30 are provided side by side in the longitudinal direction of the tube so as to correspond to the protrusions 20.
  • the number of concave portions 30 may be one, or three or more, as long as the number corresponds to the number of the convex portions 20.
  • the side plate 13 constitutes the main body of the refrigerant radiator 100.
  • the bracket 70 is connected to the side plate 13 which constitutes the main body of the refrigerant radiator 100. Therefore, the side plate 13 of the present embodiment corresponds to the heat exchanger component and the second member of the present disclosure. Further, the bracket 70 of the present embodiment corresponds to the connection component and the first member of the present disclosure.
  • the convex portion 20 of the bracket 70 is fitted to the concave portion 30 of the side plate 13 so that the outer peripheral surface 21 of the convex portion 20 and the inner peripheral surface 31 of the concave portion 30 are in contact. There is. Therefore, the bracket 70 and the side plate 13 are temporarily fixed in a state where the outer peripheral surface 21 of the convex portion 20 and the inner peripheral surface 31 of the concave portion 30 are in contact with each other. At this time, the brazing material is not provided on the contact surface between the convex portion 20 and the concave portion 30, that is, both the outer peripheral surface 21 of the convex portion 20 and the inner peripheral surface 31 of the concave portion 30.
  • FIG. 16 Eighth Embodiment An eighth embodiment will be described based on FIG. 16 and FIG.
  • the eighth embodiment differs from the first embodiment in the temporary fixing structure of the tank main body 15 and the core plate 16.
  • the core plate 16 is formed with a projection 20 projecting from the surface of the core plate 16 toward the tank main body 15.
  • one protrusion 20 is provided at each end of the core plate 16 in the air flow direction.
  • the convex portion 20 extends in the tube stacking direction. More specifically, the protrusions 20 are provided at both ends in the air flow direction of the core plate 16 over the entire area in the tube stacking direction.
  • the convex portion 20 is formed by half-blanking the core plate 16, that is, by half-blanking the core plate 16.
  • the tank body portion 15 is not provided with the recess 30 in the first embodiment.
  • brazing material is provided on both the outer circumferential surface 21 of the convex portion 20 and the outer surface 150 in the air flow direction of the tank main body portion 15.
  • the core plate 16 and the tank main body 15 are temporarily fixed in a state where the outer peripheral surface 21 of the convex portion 20 and the outer surface 150 in the air flow direction in the tank main body 15 are in contact with each other. That is, the core plate 16 and the tank main body 15 are temporarily fixed in a state where the surface of the convex portion 20 where the brazing material is not provided is in contact with the surface of the tank main body 15 where the brazing material is not provided. There is.
  • the convex portions 20 are formed by performing half-blanking on both end portions of the core plate 16 in the air flow direction.
  • the convex portion 20 is formed in a flat plate shape having a plane parallel to the air flow direction and extending in the tube stacking direction.
  • the protrusions 20 are formed such that the distance d2 between the two protrusions 20 facing each other in the air flow direction is slightly larger than the length dimension l1 of the tank body 15 in the air flow direction. .
  • the recess 30 in the first embodiment is eliminated. For this reason, the recessed part formation process in 1st Embodiment is not performed.
  • the assembling process of the present embodiment includes a fitting process and a caulking process.
  • the core plate 16 and the tank main body 15 are assembled such that the tank main body 15 enters the gap between the two convex portions 20 opposed to each other in the air flow direction in the core plate 16.
  • the brazing material layer 17 is located between the tank body 15 and the core plate 16.
  • a caulking process is performed for caulking the projection 20.
  • the outer peripheral surface 21 of the convex portion 20 is brought into contact with the outer surface 150 in the air flow direction of the tank main body 15 by caulking the convex portion 20 to the tank main body 15 side.
  • the core plate 16 and the tank body 15 are temporarily fixed in a state in which the tank body 15 is sandwiched between the two projections 20 by caulking the two projections 20 on the tank body 15 side. Be done.
  • the convex portion 20 is pressed toward the tank main body 15 by a jig (not shown), and the convex portion 20 is squeezed toward the tank main body 15 to form a convex.
  • the outer circumferential surface 21 of the portion 20 is brought into contact with the outer surface 150 in the air flow direction of the tank body portion 15. Thereby, the core plate 16 and the tank main body 15 are temporarily fixed.
  • the outer peripheral surface 21 having no brazing material in the convex portion 20 and the outer surface 150 having no brazing material in the tank main body 15 can be brought into contact with each other.
  • the outer peripheral surface 21 of the convex portion 20 and the outer surface 150 of the tank main portion 15 are formed by caulking the two convex portions 20 of the core plate 16 so as to sandwich the tank main body 15. Are in contact. Therefore, the core plate 16 and the tank main body 15 are temporarily fixed in a state where the outer peripheral surface 21 of the convex portion 20 and the outer surface 150 of the tank main body 15 are in contact with each other. At this time, the brazing material is not provided on the contact surface between the convex portion 20 and the tank main body portion 15, that is, on both the outer peripheral surface 21 of the convex portion 20 and the outer surface 150 of the tank main body portion 15.
  • the ninth embodiment A ninth embodiment will be described based on FIG.
  • the ninth embodiment is different from the first embodiment in the configuration of the brazing material layer.
  • brazing material sheet 18 in which brazing material is formed into a sheet is provided.
  • a brazing material layer is formed between the core plate 16 and the tank main body 15 by the brazing material sheet 18.
  • the other structure of the refrigerant radiator 100 and the method of temporarily fixing the tank body 15 and the core plate 16 are the same as those in the first embodiment. Therefore, also in the refrigerant radiator 100 of the present embodiment, the same effect as that of the first embodiment can be obtained.
  • FIG. The tenth embodiment differs from the first embodiment in the configuration of the convex portion 20.
  • the outer peripheral surface 21 of the convex portion 20 in the core plate 16 has a brazing material surface 211 provided with a brazing material and a non-brazing material surface 212 not provided with a brazing material. There is.
  • the non-brazing material side 212 is disposed around the central portion of the outer peripheral surface 21 of the convex portion 20 in the longitudinal direction of the tube.
  • the brazing material surfaces 211 are disposed at both ends of the outer peripheral surface 21 of the convex portion 20 in the tube longitudinal direction. That is, the brazing material surface 211 is respectively disposed on the tip end side and the root side of the convex portion 20 in the outer peripheral surface 21 of the convex portion 20.
  • the brazing material is not provided on the inner peripheral surface 31 of the recess 30 in the tank main body 15. Therefore, on both the outer peripheral surface 21 of the convex part 20 and the inner peripheral surface 31 of the recessed part 30, there are places where the brazing material is not provided.
  • the core plate 16 and the tank main body 15 are temporarily fixed in a state in which the non-brazing material surface 212 of the convex portion 20 is in contact with the surface of the recess 30 where the brazing material is not provided.
  • FIG. 20 a method of temporarily fixing the tank main body 15 and the core plate 16 according to the present embodiment will be described based on FIGS. 20 and 21.
  • FIG. 20 a method of temporarily fixing the tank main body 15 and the core plate 16 according to the present embodiment will be described based on FIGS. 20 and 21.
  • the brazing material layer 17 is caught in the outer peripheral surface 21 of the convex portion 20. Be Therefore, the brazing material layer 17 is provided on the tip end side and the base side of the convex portion 20 in the outer peripheral surface 21 of the convex portion 20. That is, the brazing material surface 211 is formed on the tip end side and the base side of the convex portion 20 in the outer peripheral surface 21 of the convex portion 20.
  • the outer peripheral surface 21 of the convex portion 20 is caulked by caulking the convex portion 20 from the tip end side (that is, the opposite side to the core plate 16).
  • the inner peripheral surface 31 of the recess 30 is brought into contact.
  • the non-braze material surface 212 in the convex portion 20 can be brought into contact with the inner circumferential surface 31 having no brazing material in the concave portion 30.
  • the outer peripheral surface 21 having the portion without the brazing material in the convex portion 20 can be brought into contact with the inner peripheral surface 31 having the portion without the brazing material in the recess 30.
  • the other structure of the refrigerant radiator 100 and the method of temporarily fixing the tank body 15 and the core plate 16 are the same as those in the first embodiment. Therefore, also in the refrigerant radiator 100 of the present embodiment, the same effect as that of the first embodiment can be obtained.
  • Eleventh Embodiment An eleventh embodiment will be described based on FIG. 22 to FIG.
  • the eleventh embodiment is different from the tenth embodiment in the shapes of the convex portion 20 and the concave portion 30.
  • the outer shape of the convex portion 20 of the present embodiment is formed in a polygonal shape in a plan view seen from the arrangement direction (that is, the tube longitudinal direction). Specifically, the outer shape of the convex portion 20 is formed in a rectangular shape in a plan view as viewed from the arrangement direction.
  • the outer shape of the convex portion 20 is formed in a rectangular shape in a plan view as viewed from the arrangement direction.
  • the rectangular long side is disposed along the air flow direction with respect to a plan view viewed from the disposition direction of the convex portion 20.
  • the recessed part 30 of this embodiment is formed in polygonal shape in the planar view seen from the arrangement direction. Specifically, the recess 30 is formed in a rectangular shape in a plan view as viewed from the arrangement direction.
  • the recessed part 30 is formed in square shape in the planar view seen from the arrangement direction.
  • the two opposing sides of the square shape are disposed along the air flow direction with respect to the plan view as viewed from the disposition direction of the recess 30.
  • FIG. 24 a method of temporarily fixing the tank main body 15 and the core plate 16 of the present embodiment will be described based on FIGS. 24 and 25.
  • FIG. 24 a method of temporarily fixing the tank main body 15 and the core plate 16 of the present embodiment will be described based on FIGS. 24 and 25.
  • the convex portion 20 is formed in a polygonal column shape. Specifically, in the protrusion forming step, the protrusions 20 are formed in a square pole shape. That is, in the convex portion forming step, the convex portion 20 is formed so that the cross-sectional shape perpendicular to the arrangement direction becomes a quadrilateral shape. In the present embodiment, in the protrusion forming step, the protrusions 20 are formed such that the cross-sectional shape perpendicular to the arrangement direction is square.
  • the recess 30 is formed so that the cross-sectional shape perpendicular to the arrangement direction is a quadrilateral. In the present embodiment, in the recess formation step, the recess 30 is formed so that the cross-sectional shape perpendicular to the arrangement direction is square.
  • the convex portion 20 is formed in a square pole shape in the convex portion forming step. Then, in the recess formation step, the recess 30 is formed so that the cross-sectional shape perpendicular to the arrangement direction is a square. For this reason, in the caulking process, the outer peripheral surface 21 of the convex portion 20 and the inner peripheral surface 31 of the concave portion 30 are fixed so that the planes are in contact with each other. As a result, the tank body portion 15 and the core plate 16 do not rotate with the arrangement direction as the rotation axis without deformation of the respective members. That is, it is possible to suppress that the tank main body 15 and the core plate 16 rotate with the arrangement direction as the rotation axis.
  • the temporary fixing structure may be applied to temporary fixing of other heat exchangers and parts other than the heat exchangers.
  • header tank 14 of refrigerant radiator 100 from two parts, tank main part 15 and core plate 16
  • composition of header tank 14 is not limited to this.
  • the header tank 14 may be composed of three parts of an intermediate plate disposed between the tank body 15 and the core plate 16.
  • the brazing filler metal layer 17 is clad on the surface of the core plate 16 on the tank main body 15 side to provide one brazing material layer 17 between the tank main body 15 and the core plate 16.
  • the configuration of the brazing material layer is not limited to this.
  • the brazing material layer 17 may be clad on the surface of the tank main body 15 on the core plate 16 side.
  • two or more brazing material layers may be provided between the tank main body 15 and the core plate 16.
  • the example in which the convex portion 20 is formed in the tank main body 15 and the concave portion 30 is formed in the bracket 50 has been described, but the arrangement of the convex portion 20 and the concave portion 30 is not limited thereto. .
  • the convex portion 20 is formed in the bracket 70 and the concave portion 30 is formed in the side plate 13 has been described, but the arrangement of the convex portion 20 and the concave portion 30 is not limited thereto.
  • the concave portion 30 may be formed in the bracket 70 and the convex portion 20 may be formed in the side plate 13.
  • the shape of the convex portion 20 is not limited to this.
  • the convex portion 20 may be formed in a triangular prism shape or a pentagonal prism shape.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

Selon la présente invention, une structure de fixation temporaire dans laquelle un premier élément (15, 16, 70) et un second élément (13, 15, 50, 60) sont temporairement fixés l'un à l'autre comprend au moins une couche de matériau de remplissage de brasage (17, 18) entre le premier élément et le second élément. Le premier élément est doté d'une saillie (20) qui fait saillie à partir de la surface du premier élément en direction du second élément; et le second élément est doté d'un évidement (30) qui s'ajuste avec la saillie. Le premier élément et le second élément sont temporairement fixés l'un à l'autre dans un état dans lequel la surface périphérique externe (21) de la saillie et la surface périphérique interne (31) de l'évidement sont en contact l'une avec l'autre; et à la fois la surface périphérique externe de la saillie et la surface périphérique interne de l'évidement présentent une partie dans laquelle le matériau de remplissage de brasage n'est pas appliqué.
PCT/JP2018/043440 2018-01-18 2018-11-26 Structure de fixation temporaire, échangeur de chaleur doté de cette dernière, et procédé de fixation temporaire WO2019142500A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2018-006409 2018-01-18
JP2018006409 2018-01-18
JP2018204006A JP7225683B2 (ja) 2018-01-18 2018-10-30 熱交換器および仮固定方法
JP2018-204006 2018-10-30

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WO2019142500A1 true WO2019142500A1 (fr) 2019-07-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02121769A (ja) * 1988-10-28 1990-05-09 Showa Alum Corp 継手部材への管接合方法
JPH02121770A (ja) * 1988-10-31 1990-05-09 Showa Alum Corp 継手部材への管接合方法
JPH05318098A (ja) * 1992-05-22 1993-12-03 Showa Alum Corp 熱交換器
JP2003094135A (ja) * 2001-09-19 2003-04-02 Zexel Valeo Climate Control Corp 熱交換器
JP2007155168A (ja) * 2005-12-01 2007-06-21 Denso Corp 仮留め用突起およびそれを用いた熱交換器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02121769A (ja) * 1988-10-28 1990-05-09 Showa Alum Corp 継手部材への管接合方法
JPH02121770A (ja) * 1988-10-31 1990-05-09 Showa Alum Corp 継手部材への管接合方法
JPH05318098A (ja) * 1992-05-22 1993-12-03 Showa Alum Corp 熱交換器
JP2003094135A (ja) * 2001-09-19 2003-04-02 Zexel Valeo Climate Control Corp 熱交換器
JP2007155168A (ja) * 2005-12-01 2007-06-21 Denso Corp 仮留め用突起およびそれを用いた熱交換器

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