TW534974B - Header for use in heat exchangers, heat exchanger and method for manufacturing the same - Google Patents

Abstract

A header for use in heat exchangers includes a base wall 20 with a plurality of tube insertion apertures 23, an opposite wall 30 opposed to the base wall 20, a pair of side walls 40a and 40b disposed at both lateral sides of the base wall 20 and the opposite wall 30 and connecting the lateral sides and a reinforcing walls 50a and 50b disposed between the base wall 20 and the opposite wall 30 along a longitudinal direction thereof and connecting the base wall 20 with the opposite wall 30. The side walls 40a and 40b are integrally formed at both lateral sides of the base wall 20 by bending processing. A first half 30a of the opposite wall 30 is integrally formed at a side of one of the side walls 40a by bending processing, and a second half 30b of the opposite wall 30 is integrally formed at a side of the other of the side walls 40b by bending processing. Reinforcing walls 50a and 50b are integrally formed at sides of the first half 30a and the second half 30b of the opposite wall 30 by bending processing. With this header for use in heat exchanger, high pressure resistance can be obtained, and the number of parts and the manufacturing cost can be decreased.

Description

534974 A7 B7 V. Description of the Invention (i) [Technical Field] The present invention relates to a header box for a heat exchanger that is suitable and suitable for use in a heat exchanger such as a condenser or an evaporator of a refrigeration system for air conditioning of a vehicle. C-tube header), heat exchanger and manufacturing method thereof. [Background Art] Conventionally, as a condenser of a vehicle air-conditioning device, two ends of a majority of heat exchange tubes are arranged in a pair and connected in parallel between two pairs of header boxes. There are many heat exchangers in the form of a header box. In such a heat exchanger, although the header box is mainly a tube with a circular cross-section (section), it is a trend of thought, but in recent years, it has been designed for small size, light weight or high For the purpose of performance, etc., it is reviewed to use a header box with a flat cross-sectional shape such as oval, oval, and rectangle. As this type of header, for example, a flat-shaped header for a heat exchanger shown in Japanese Patent Laid-Open Nos. 2000-389 2 888 is known. The schematic structure of the header box is shown in FIG. 16. The header (1) is provided with two members of a first outer wall structure (2) and a second outer wall structure (3). The first peripheral wall structure (2) has a bottom wall (base wall) (2 a) having a plurality of pipe insertion (installation) mounting holes (2 c) formed at predetermined intervals along the length direction, and along the length The joint pieces (2b) (2b) arranged at the edges of both sides of the base wall (2a), and the second peripheral wall structure (3) has a pair of oppositely arranged baseplates (2a). Opposite wall (3a), and Opposite wall (this paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) (please read the precautions on the back before filling in this page), τ Ministry of Economy Printed by the Intellectual Property Bureau Staff Consumer Cooperative

4- 534974 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. 5. The two side walls (3 b) formed by the edges on both sides of the invention description (2) 3 a), (3 b). One surface of the first outer wall structure (2) is covered by the second outer wall structure (3), and the front ends of the two side walls (3b) are jointed and fixed to the joining piece by performing a gap treatment or brazing treatment or the like. (2 b), and is configured as a header box (1) for a heat exchanger. The header box (1) for a heat exchanger of such a structure is inserted and fixed in parallel with the heat exchange tubes (5) arranged in each tube (sub) insertion hole (2c), so that it is assembled as a header box Form of heat exchanger. However, the above-mentioned header box (1) for a heat exchanger is accompanied by a demand for miniaturization and weight reduction, and the thinning of the outer peripheral wall of the tube is promoted, making it difficult to ensure a predetermined pressure strength only by the outer peripheral wall. For this reason, it is conceivable to assemble the reinforcing intermediate wall (4) as shown in the dotted line in the figure inside the header box, in order to form a structure that can improve the compressive strength. However, in such a shape, it cannot be manufactured by using a seam welded pipe, but it needs to be manufactured by a gap treatment or a brazing process, which not only complicates the shape but also increases the number of parts, which makes it difficult to implement. At the same time as the assembly operation, there is a possibility of increasing costs. In particular, when the intermediate wall (4) for reinforcement is to be assembled inside the header box, in order not to hinder the insertion of the heat exchange tube 50, it is necessary to form a large number of notches (recesses) in the intermediate wall (4) by cutting or the like. ), In addition to the troublesome cutting process, the machining process will be increased, and therefore, the problem of increased cost will be caused. The present invention has been made by the inventors in view of the above problems, and an object thereof is to provide a header box for a heat exchanger that can achieve a sufficient compressive strength, can reduce the number of parts and the cost, and can easily perform an assembly operation. (Please read the precautions on the back before filling in this page.) The size of the paper on the paper is applicable to the Chinese National Standard (CNS) A4 (210X 297 mm) 534974 A7 B7 V. Description of the invention (3) One object is to provide a method for manufacturing the above-mentioned header box for a heat exchanger. Still another object of the present invention is to provide a heat exchanger using the above heat exchanger header box and a method for manufacturing the same. [Disclosed invention] According to the first invention of the present invention, a header box for a heat exchanger, which includes a plurality of tube (sub) insertion holes for inserting a plurality of heat exchange tubes formed at predetermined intervals in a longitudinal direction. A band-shaped plate base wall; opposite walls arranged in pairs on the base wall; arranged between the two sides of the aforementioned base wall and the opposite wall for connecting the side walls of the two sides; And a reinforcing wall arranged along the length direction between the base wall and the opposing wall, for connecting the base wall and the opposing wall, and the two side walls are formed by bending to form two integral parts of the base wall. The side edge portion, which forms one side half of the opposite wall, is formed by bending to form one side edge of one of the two side walls. One side half of the opposing wall is formed by bending to form one side edge of the other side, and the reinforcing wall is formed by bending to form one side of the opposite wall and the other. At least one of the side halves. In the header box for the heat exchanger, the base wall, the two side walls, the opposing wall, and the reinforcing wall are integrated into one by bending processing. Therefore, it is not necessary to perform a treatment of mutually joining members, such as a troublesome gap treatment or a Brazing, etc. In addition, the number of parts can be reduced. (Please read the precautions on the back before filling this page) Threading _ Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs This paper is printed in accordance with Chinese National Standard (CNS) A4 (210X297 mm) -6-534974 A7 B7 V. Description of the invention (4) The reinforcing wall is interposed between the base wall and the opposing wall, so that sufficient compressive strength can be reliably obtained. Preferably, the aforementioned reinforcing wall is disposed on both of the one half and the other half of the opposing wall. At this time, the reinforcing wall becomes two pieces, so that the compressive strength can be further improved. Preferably, the reinforcing wall is integrally formed by brazing the opposing edge portion with the base wall to the base wall. It is also desirable that the reinforcing wall has a notch portion for tube (sub) locking at a position corresponding to the plurality of tube insertion holes, and is configured so that an end portion of the heat exchange tube to be inserted into the tube insertion hole may be It is locked in the positioning state of the tube locking notch. In this state, the pipe (sub) can be positioned by locking the end of the pipe to the notch for pipe insertion, so that the amount of pipe insertion can be easily adjusted with good accuracy. Furthermore, it is desirable that the reinforcing wall has an insert piece at an opposite end edge to the base wall, and the base wall forms an insert piece engaging hole corresponding to the position of the insert piece so that the insert piece is inserted into the aforementioned piece. The inserting piece engaging hole forms an engaging structure. In this state, the insertion piece of the reinforcing wall can be fixed to the engaging hole of the base wall, so that the problem of springback caused by bending processing can be prevented, and stability can be maintained until it is fixed by brazing. Therefore, it can maintain extremely high dimensional accuracy. Preferably, the insertion piece is brazed to the base wall to be integrated in a state where the insertion piece is inserted into the engagement hole of the insertion piece. Still more preferably, the peripheral edge portion of the tube insertion hole of the base wall is curved inward. In this state, when inserting the heat exchange tube into the insertion hole, the paper size applies the Chinese National Standard (CNS) A4 specification (210 × 297 mm) (Please read the precautions on the back before filling this page)

Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs of the 1T line. -7- Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. The guidance makes it easier for Ken to perform the tube insertion operation, while ensuring that the joint area between the tube and the peripheral edge of the insertion hole is sufficiently large. Therefore, it can be surely intended that both The airtightness of the joints. On the other hand, according to a second aspect of the present invention, a header box for a heat exchanger is provided with a plurality of tube (sub) insertion holes for inserting heat exchange tubes formed at predetermined intervals in the longitudinal direction. A band-shaped plate base wall; opposite walls arranged in pairs on the base wall; arranged between the two sides of the aforementioned base wall and the opposite wall for connecting the side walls of the two sides; And is arranged along the length direction between the aforementioned base wall and the aforementioned opposing wall, and is used to connect the aforementioned base wall and the opposing wall as a reinforcing wall, and the aforementioned two sidewalls are integrated into the aforementioned base wall by bending processing The two side edge portions are to be formed into one side edge of one of the two side walls by bending to form one side side edge of the opposite wall. The other half of the opposing wall of the other half is formed by bending to form an integral side edge of the other side. The reinforcing wall is formed of one side of the opposing wall by bending and The edges of both sides of the other half The edge of the strong wall opposite to the aforementioned base wall each forms an insert piece at a predetermined interval in the lengthwise direction of the header box, and one of the aforementioned reinforced walls on both sides reinforces the aforementioned insert piece of the reinforced wall. And the inserts on the other side of the reinforcing wall are configured to stagger along the length of the header box, and insert holes for inserts are formed in the base wall to correspond to the inserts, and the paper dimensions apply the Chinese National Standard (CNS ) Α4 size (210 × 297 mm) gutter (please read the notes on the back before filling this page) -8- Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 534974 A7 _ B7 V. Description of the invention (6) and make the above The insert pieces are each inserted into the aforementioned insert piece engaging holes corresponding to the respective insert pieces. Preferably, the insertion hole of the insertion piece is formed in a zigzag configuration along the length of the header box. Furthermore, 'the insertion piece is preferably inserted in the insertion hole engagement hole', and the front end of the insertion piece is bent, and the bent portion is engaged with the outside of the base wall. The above-mentioned header box for a heat exchanger can be manufactured by the following method. That is, according to the third invention of the present invention, a method for manufacturing a header box for a heat exchanger is to manufacture a plurality of tube inserts for inserting heat exchange tubes formed at predetermined intervals along the length direction. A strip-shaped plate base wall of the hole; an opposite wall arranged to face the base wall; arranged between the two sides of the base wall and the opposite wall and used to connect the base wall and the opposite wall Two side walls; and a heat exchanger header box arranged along the length direction between the aforementioned base wall and the opposing wall for connecting the aforementioned base wall and the reinforcing wall of the opposing wall, including: a forming plate preparation process, In the middle of the width direction, it is necessary to arrange a base wall region with the pipe insertion hole in the length direction, and arrange side wall regions in the length direction at the edges of both sides of the base wall region. The edge portion is provided along the length direction with at least one of the one-half area and the other-half area of the opposing wall, and at least one of the one-half area and the other-half area of the opposing wall. , Along the length of the reinforced wall Bending process: apply the above-mentioned reinforced wall area of the forming plate to the paper size of China National Standard (CNS) A4 (210X29? Mm) gutter (please read the precautions on the back before filling this page) ) * 9-534974 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs V. Invention Description (7) The domain is subjected to bending processing on the half area on the side of the opposite wall and / or the other half area; In the process of processing, the one-half area and the other-half area of the facing wall of the forming plate are subjected to bending processing to the two side wall areas; and the process of applying bending processing is to apply the two side walls of the forming plate The area is subjected to a bending process to the base wall area, so that the base wall area can be obtained as the base wall, the two side wall areas can be obtained as the two side walls, and one half area and the other half area of the opposite wall can be obtained as the foregoing. One side and the other half of the opposing wall, and the aforementioned reinforced wall region serves as a header box for a heat exchanger of the aforementioned reinforced wall. In the third invention of the present invention, it is desirable that during the preparation process of the forming plate, preparations are made in the longitudinal direction, each of which is provided with a reinforcing wall region at an edge portion of one side region and the other half region of the opposing wall. Forming plate. It is also preferable that in the preparation process of the forming plate, a notch portion for tube locking is formed at a position corresponding to the plurality of tube insertion holes corresponding to the region of the reinforcing wall, and the tube insertion hole can be locked to be inserted into the tube insertion hole. The end portion of the heat exchange tube is positioned at the notch portion for tube locking. Furthermore, it is desirable that during the preparation of the forming plate, an insert sheet is formed at an edge of the reinforcing wall region opposite to the base wall, and an insert sheet engaging hole is formed in the base wall region corresponding to the insert. Position of the sheet, and there is a process of inserting the aforementioned insert sheet into the aforementioned insert sheet's engaging hole. It is also ideal that the stamping process is at least during the preparation of the aforementioned forming board (please read the precautions on the back before filling this page) The dimensions of this paper are applicable to the Chinese National Standard (CNS) A4 specifications (210X 297 mm) -10- 534974 A7 _ B7 V. Description of the invention (8) One side is covered with brazing sheet with hard solder to make the aforementioned Forming plate. A fourth invention of the present invention is a heat exchanger using a header box for a heat exchanger of the first invention. That is, according to the fourth invention of the present invention, it is a heat exchanger including: a pair of header boxes for heat exchangers; and a pair of header boxes for heat exchangers arranged in parallel, and the two ends are connected in communication. The plurality of heat exchange tubes (subs) in the two header boxes, and at least any one of the pair of headers for the heat exchanger is provided with a header box for the heat exchanger, which is formed at a predetermined interval in the longitudinal direction. The strip-shaped plate base wall to be connected with the compound pipe insertion hole for the end of the heat-exchange pipe; the opposite wall arranged opposite to the base wall; arranged on both sides of the aforementioned base wall and the opposite wall Between the edges, and the side walls connecting the edges of the two sides; and the reinforcing wall arranged along the length direction between the base wall and the facing wall for connecting the base wall and the facing wall, and the two side walls Bending processing is used to form one edge of both sides of the base wall, and one side of the opposing wall forming one half of the opposing wall is formed by bending to form one of the two sidewalls. While forming the edge, The other half of the opposing wall on the other half is formed integrally with the other side wall edge portion by bending, and the reinforcing wall is formed by bending on the one half of the opposite wall and another An edge portion of at least one of the side halves. Since the heat exchanger of this invention uses the header box for a heat exchanger of the above-mentioned first invention, the same effects as those described above can be exhibited. Also in the heat exchanger of the fourth invention, it is ideal for the aforementioned strengthening wall (please read the precautions on the back before filling this page). Order-line Ministry of Economic Affairs, Intellectual Property Bureau, staff consumption cooperation, printed paper size applicable to China National Standard (CNS) A4 Specification (210X297 mm) -11-Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 534974 A7 B7 V. Description of the Invention (9) The notch for tube locking corresponds to the aforementioned plural tube insertion The position of the hole, and the end portion of the heat exchange tube to be inserted into the tube insertion hole is formed to be locked at the notch portion for tube locking to be positioned. Further, it is preferable that the end portion of the heat exchange tube is formed to be fixed to the header box for the heat exchanger by brazing. A fifth invention of the present invention is a heat exchanger specifically using a header box for a heat exchanger of the second invention. That is, the fifth invention according to the present invention is a heat exchanger including: a pair of headers for heat exchangers; and a pair of headers for heat exchangers arranged in parallel, and the two ends are connected in communication. The plurality of heat exchange tubes (subs) in the two header boxes, and at least any one of the pair of headers for the heat exchanger is provided with a header box for the heat exchanger, which is formed at a predetermined interval in the longitudinal direction. The base wall of the strip-shaped plate to be connected to the plurality of tube insertion holes for the ends of the heat exchange tube; the opposite wall arranged opposite to the base wall; arranged on both sides of the aforementioned base wall and the opposite wall Between the edges, and the side walls connecting the edges on both sides; and the reinforcing wall arranged along the length direction between the base wall and the facing wall, for connecting the base wall and the facing wall, and the two side walls Bending processing is used to form one edge of both sides of the base wall, and one side of the opposing wall forming one half of the opposing wall is formed by bending to form one of the two sidewalls. While forming the edge The other half of the opposing wall on the other half is formed integrally on the other side wall edge portion by bending, and the reinforcing wall is formed by bending on the one half of the opposite wall and Another paper size is applicable to Chinese National Standard (CNS) A4 specification (210X 297 mm). Thread setting (please read the precautions on the back before filling this page) -12- 534974 A7 B7 Intellectual Property Bureau of the Ministry of Economic Affairs α shellfish consumption Printed by the cooperative V. Description of the invention (10) Both sides of the side half. In addition, the end edges of the reinforcing walls of the two sides that are opposite to the base wall are formed at predetermined intervals in the lengthwise direction of the header box, and the foregoing reinforcing walls of the two sides are arranged in a staggered manner along the length of the header box. One of the aforementioned inserts with a strong wall on one side and the aforementioned inserts with a reinforcing wall on the other side are formed with insert hole engagement holes in the base wall at positions corresponding to the inserts, and each of the inserts is It is inserted into the aforementioned insertion piece engaging hole corresponding to it. In the heat exchanger of the present invention, since the header box for a heat exchanger of the second invention is used, the same effects as described above can be exhibited. In the heat exchanger of the fifth invention, it is desirable that the reinforcing wall has a notch portion for tube locking at a position corresponding to the plurality of tube insertion holes, and is inserted into a heat exchange tube end of the tube insertion perforation. The portion is formed to be locked in the positioning state of the notch portion for tube locking. Furthermore, it is preferable that the end portion of the heat exchange tube is formed to be fixed to the header box for the heat exchanger by brazing. Furthermore, it is desirable that the insertion hole of the insertion piece is formed in a staggered arrangement along the length of the header box. The sixth invention of the present invention is a method for manufacturing a heat exchanger that specifically uses the header box for a heat exchanger of the first invention. That is, the sixth invention according to the present invention is a method for manufacturing a heat exchanger, which includes: a process of preparing a pair of headers for a heat exchanger; a process of preparing a plurality of heat exchange tubes (subs); and a parallel arrangement. The aforementioned plurality of heat exchange tubes are connected between the above-mentioned pair of heat exchanger header boxes, and each paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (Please read the precautions on the back before filling in (This page)-Binding and binding line 534974 A7 B7 V. Description of the invention (n) The process of connecting the two ends of the heat exchange tube to the two header boxes, as at least one of the aforementioned pair of header boxes for heat exchangers A header box for the B exchanger is prepared to have a base wall formed with a strip-shaped plate to be connected to a plurality of tube insertion holes communicating with the ends of the heat exchange tube at predetermined intervals in the longitudinal direction, and arranged to face the base wall. Opposite walls; disposed between the base wall and the opposite side edges of the opposite wall to connect the side walls of the two edge portions; and disposed between the base wall and the opposite wall along the length direction, To connect the aforementioned base wall And the reinforcing wall of the opposing wall, and the two sidewalls are formed by bending on both side edges of the base wall, and the one half of the opposing wall constituting one of the opposing sides of the opposing wall is formed by bending Bending is performed to form one side edge of one of the two side walls, and the other half of the opposite wall constituting the other half of the opposite wall is formed to be integrated into the other side edge by bending. The reinforcing wall is formed by bending processing to form an edge portion that is integrated on at least one of the one half and the other half of the opposing wall. In the method for manufacturing a heat exchanger of the present invention, since the header box for a heat exchanger of the above-mentioned first invention is used, the same effects as described above can be exhibited. In the heat exchanger manufacturing method according to the sixth invention of the present invention, the process for preparing the header box for the heat exchanger described above preferably includes: preparing to arrange the base wall region having the tube insertion hole in the length direction to the width In the middle of the direction, each side wall region is arranged along the length direction on both side edges of the aforementioned base wall region, and one half region of the opposing wall and the other half region are arranged on each edge of the two side wall regions along the length direction. The paper size is applied along the length direction of the reinforced wall area. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X 297 mm) (Please read the precautions on the back before filling this page).

Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -14- 534974 A7 B7 V. Description of the invention (12) (Please read the precautions on the back before filling this page) In the half area on the side of the opposite wall and the other side The forming plate preparation process of the forming plate of the edge portion of at least one of the half areas; bending the aforementioned reinforcing wall area of the forming plate to one half area and / or the other half area of the facing wall A process of processing; a process of bending the one half area and the other half area of the facing wall of the forming plate to the two side wall areas; and the two side wall areas of the forming plate to the base wall area The process of bending. Furthermore, it is preferable that the heat exchange tube end portion is brazed to be fixed to the heat exchanger header box. The seventh invention of the present invention is a method for manufacturing a heat exchanger that specifically uses the header box for a heat exchanger of the second invention. That is, the seventh invention according to the present invention is a method for manufacturing a heat exchanger, which includes a process of preparing a pair of headers for a heat exchanger, a process of preparing a plurality of heat exchange tubes (subs), and a juxtaposition. The process of arranging the aforementioned plurality of heat exchange tubes between the aforementioned pair of heat exchanger header boxes and connecting the two ends of each heat exchange tube to communicate with the two header boxes is printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs as At least one of the pair of headers for heat exchangers is provided with a header for a heat exchanger having a plurality of tube insertion holes formed at predetermined intervals in the longitudinal direction to connect and communicate with the ends of the heat exchange tubes. A base wall of a strip-shaped plate; an opposing wall configured to oppose the base wall; a side wall disposed between the aforementioned base wall and the side edges of the opposing wall to connect each of the side edges; and The reinforcing wall is arranged between the base wall and the opposite wall along the length direction to connect the base wall and the opposite wall, and the two side walls are bent to form two paper sizes integrated into the base wall. Applicable to Chinese National Standard (CNS) A4 specification (21 ×: 297 mm) -15- 534974 A7 __ B7 V. Description of the invention (13) The side edge part, which forms the opposite side of one side half of the aforementioned facing wall One side of the wall is formed by bending to form an edge of one of the two side walls, and the other half of the opposite wall constituting the other half of the opposite wall is formed by bending. It is integrated in the other side wall edge portion, and the reinforcing wall is formed by bending to form both sides of each edge portion of one side and the other half of the opposite wall, and is arranged in a predetermined direction in the length direction of the header box. The inserts are formed at opposite ends of the reinforcing walls of the two sides, which are opposite to the base wall, and the inserts of the reinforcing walls on one side of the reinforcing walls of the two sides are arranged staggered in the direction of the header box length. The insert piece of the sheet and the reinforcing wall on the other side, an insert piece engaging hole is formed in the base wall at a position corresponding to the insert piece, and each of the insert pieces is inserted into the insert piece engaging hole corresponding to the insert piece. , Constituted by. In the heat exchanger manufacturing method according to the seventh invention of the present invention, the process of preparing the header box for the heat exchanger preferably includes: preparing a base wall region having the aforementioned tube insertion hole in a length direction to a width In the middle of the direction, each side wall region is arranged along the length direction on both side edges of the aforementioned base wall region, and one half region of the opposing wall and the other half region are arranged on each edge of the two side wall regions along the length direction. Part, the reinforced wall region is provided along the length direction of the forming plate preparation process of the edge forming plate of at least one of the one-half area and the other half-area of the opposing wall; The wall region performs a bending process on the one-half region of the opposing wall and / or the other-half region; the one-half region of the opposing wall and the other half-region of the forming plate are Two side wall areas (please read the precautions on the back before filling this page)

、 1T-line · Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) -16- 534974 A7 _ B7_ V. Description of the invention (14) Process; and a process of bending the base wall region of the two sidewall regions of the forming plate. Furthermore, it is preferable that the heat exchange tube end portion is brazed to be fixed to the heat exchanger header box. Other objects and advantages of the present invention will become clearer from the description to be described later. [Best Mode for Carrying Out the Invention] < First Embodiment > Figs. 1 to 6 show a header box (10) for a heat exchanger according to a first embodiment of the present invention. As shown in the drawings, the header box (10) for a heat exchanger includes: a base wall (20) of a strip-shaped plate; and an opposite wall (20) arranged opposite to the base wall (20). 30); two side walls (40a), (40b) arranged between the two side edges of the base wall (20) and the opposing wall (30); and the base wall (20) and the opposing wall ( 30) in the middle of the breadth direction, and a pair of reinforcing walls (50a) and (50b) arranged along the length direction. As shown in Figs. 7 and 8, the header box (1 0) is processed by bending It is composed of a body-shaped (molded) product of a press-formed plate (1 1) of a predetermined shape obtained by press forming. That is, the press-formed plate (1 1) is a strip plate having a wide breadth, which is used to constitute the base wall region (2 1) of the base wall (2 0) which is formed along the length direction and is integrated in the middle area of the width direction. At the same time, the edges of the two sides of the base wall area (2 1) are formed to be connected to the base wall area (2 1) and are used to form the two side walls (40 a), ((Please read the note on the back first) (Fill in this page again)

1. The paper size printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs of the 1T line applies the Chinese National Standard (CNS) A4 specification (21 ο X 297 mm) -17- 534974 A7 _B7 ___ V. Description of the invention (15) 4 0 b ) The two side wall areas (4 1 a) '(4 1 b) are formed along the length (please read the precautions on the back before filling this page). In addition, an edge portion of one side wall region (4 1 a) is formed to be connected to the side wall region (4 1 a) and is used to constitute a side half (3 of one of the opposing walls (3 0)). 0 a) The half area (3 1 a) on one side of the opposing wall is integrated while being formed at the edge of the other side wall area (4 1 b) so as to be connected to the side wall area (4 1 b) It is configured and used to form the other half of the opposite wall (30), and the area (3b) of the other half of the opposite wall is integrated. Furthermore, the edges of one half area (3 1 a) and the other half area (3 1 b) of the opposite wall are formed to be connected to these areas (3 1 a), and C 3 1 b) The reinforced wall areas (51a), (51b) provided for forming the reinforced wall (50a) '(50b) are integrated. Furthermore, in FIG. 8, for easy understanding of the invention, the boundary lines (curved lines) of each region are shown by dotted lines. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, a plurality of long holes in the width direction are formed in the base wall area (2 1) of the press-molded plate (1 1) at predetermined intervals along the length direction. Pipe insertion (into) installation holes (2 3). The peripheral edge portion (23a) of the tube insertion hole (23) is subjected to depilation processing, so that one side, that is, the inner side of the header box is bent in an assembled state. Furthermore, between each tube insertion hole (2 3) on the center line of the base wall region (2 1), a square-shaped insertion piece engaging hole (2 5) is formed to form a plurality of numbers at predetermined intervals. Also in the reinforced wall area (5 1 a), (5 1 b) the side edge of the paper size applies the Chinese National Standard (CNS) A4 specification (21GX297 mm) ~ " "-534974 A7 B7 Ministry of Economic Affairs wisdom Printed by the Consumer Cooperative of the Property Bureau V. Invention Description (16) Corresponding to the position of the above-mentioned tube insertion hole (2 3), a plurality of notches for tube locking (5 3 a ), (53b). In addition, between the reinforcing wall regions (51a), (51b), the side end edges of the tube locking notches (5 3a), (5 3b) are arranged at a predetermined interval in the length direction and correspond to each other. A plurality of rectangular insertion pieces (5 5 a) and (55 b) are formed in the insertion piece engagement holes (2 5). In this embodiment, the header (1 0) is manufactured by performing a bending process on the press-formed plate (1 1) along a dotted line (curved line) shown in FIG. 8. That is, the reinforced wall area (5 1 a), (51 b) is curved toward the side (inside) of the half area (3 1 a) and the half area (3 1 b) on the opposite side of the opposing wall. 9 〇. At the same time, one half area (3 1 a) and the other half area (3 1 b) of the opposite wall are facing the side (inside) of the two side wall areas (4 1 a) and (4 1 b). Bend 9 0 °. Then, the two side wall regions (4 1 a) and (4 1 b) are bent 90 ° toward one side (inner side) with respect to the base wall region (2 1) to overlap the reinforced wall region (5 1 a), (51b ). After processing in this way, the inserting pieces (55a), (55b) of the overlapping reinforcing wall areas (5 1 a), (51b) are inserted into the inserting piece engaging holes of the base wall W area (2 1), respectively. (2 5) to fix it into an engaged state. Furthermore, in the present invention, the procedure of each of the above-mentioned bending processes is not particularly limited, and may be performed by any procedure. Therefore, as shown in Figures 1 to 6, it can be manufactured as a base wall area (2 1 paper size applies Chinese National Standard (CNS) A4 specifications (210X297 mm) ~ '(Please read the precautions on the back before filling (This page) -r ·, 1Γ line 534974 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the invention (17)) as the base wall (20), the two side wall areas (41a), and (4 1 b) as Two side walls (40a) '(40b), a half area (31a) on one side of the facing wall is used as one half (30a) of one side of the facing wall (30), and the other side of the facing wall The half area (3 1 b) is used as the opposite half (30) of the opposite wall (30), and the reinforced wall area (5 1 a), (51b) is used as the reinforced wall (50a), (50b) Header box (1 0) for heat exchangers. In this assembled state, the notch portions (53a), (53b) for locking the tubes of the reinforcing wall (50a), (50b), respectively correspond to the tubes of the base wall (20). It is configured by the insertion hole (23). Furthermore, as shown in FIG. 5, the “both side edges of the tube insertion hole (2 3) of the base wall (20)” are formed to be bent outwardly along with the above-mentioned bending process, and constituted as a tube insertion guide. (23b). When a heat exchanger is manufactured by using a header box for a heat exchanger, as shown in FIG. 1, each of the wavy (wrinkled) fins (70) is arranged in a flat shape arranged in parallel in a majority The ends of the heat exchange tubes (60) are respectively inserted into the tube insertion holes (23) of the header box (1 0) for the heat exchanger, and each of them is locked as shown in Figs. 3 and 4. The two ends of the tube (60) are in the reinforced wall (50a), (50b) of the tube locking notch (5 3a), (5 3b) in the header box (10) in a positioning state. At this time, as described above, the tube insertion guides (23b) (23b) are formed on both side edge portions (refer to FIG. 5) of the tube insertion hole (2 3) of the header box (10), so that the tube The end is guided by the guides (2 3 b) and (2 3 b) and can be smoothly guided to the tube insertion hole (2 3). Therefore, it is easy (please read the precautions on the back before filling this page) ) r-, -mouth-line paper size is applicable to Chinese National Standard (CNS) A4 specifications (210X297 mm) -20- 534974 A7 B7 V. Description of the invention (彳 8) for the insertion of the tube (60). In addition, since the tube ends are locked in the tube locking notches (53a) and (53b), the tube (sub) (60) can be positioned intently, so that the adjustment tube (60) can be inserted automatically. Therefore, the operation of the insertion tube (60) can be further implemented simply. In this way, for a pair of header tanks (10), a plurality of heat exchange tubes (60) can be obtained. ) At the same time, the two ends are connected in a connected state and arranged side by side, and heat exchangers between the wavy fins (70) and the heat exchange tubes (60) are interposed. In this embodiment, the press-formed plate (11) or the heat exchange tube (60) constituting the header box (10) for the heat exchanger is made of brazing sheet coated with hard solder on at least one side, or by powder The hard solder, such as hard solder, is composed of a hard solder plate provided on at least one side of the bare material. As described above, the heat exchange tubes (60) are arranged in a staggered arrangement for a pair of header boxes (1 0). And corrugated fins (70), while manufacturing heat exchanger temporary assembly products, and brazing (temporarily) collectively brazing the temporary assembly products in the furnace so as to connect the whole to form a heat exchanger product. According to this, the header box (10) for the heat exchanger is assembled by performing the process of pressing, bending, and forming a plate, and therefore, it can be manufactured with good efficiency only by a series of pressing processes. The header box (1 0) can be obtained from one piece of press-formed plate (1 1), so that it is not necessary to perform the joining process of components such as troublesome brazing processing or gap processing, and the number of parts can be reduced. So not only can In addition to carrying out assembly operations in a single place, it is possible to reduce costs. Paper standards apply Chinese National Standards (CNS) Α4 specifications (210 × 297 mm) (please read the precautions on the back before filling out this page), and the wisdom of the Ministry of Economic Affairs Printed by the Consumer Cooperative of the Property Bureau -21-534974 A7 B7 V. Description of the invention (19) This is also the header box (1 0) in this embodiment, because it will be located in the reinforced wall (50a) '(5 〇b) Between the base wall (20) and the opposing wall (30), so that sufficient compressive strength can be obtained. Therefore, the present invention is also applicable to a refrigeration cycle using a C 0 2 refrigerant that requires high pressure resistance. In addition, the notch portions (53a) and (53b) for tube locking formed in the reinforcing walls (50a) and (50b) can be formed by press molding during the manufacture of the press-formed plate (1 1), and do not need to be separately implemented. The troublesome work such as cutting processing makes it possible to further simply manufacture. In this embodiment, an insert sheet (5 5 a) is formed, and (5 5 b) is formed at the same time as the side edge of the reinforcing wall region (5 1 a) ′ (5 1 b) of the press-molded sheet (1 1). The inserting piece engaging hole (2 5) is formed in the base wall area (21), and the inserting piece (55a) is inserted into the inserting piece engaging hole (2 5) when the forming plate (11) is bent. Combining the positioning position to the card makes it possible to prevent problems such as springback caused by bending and stabilize the shape. Since the stable state is maintained from the bending process to the brazing and fixing, the accuracy of the dimensions can be improved and high quality can be obtained. Moreover, in this embodiment, as shown in FIG. 3 and FIG. 4, the peripheral edge portion (2 3 a) of the tube insertion hole (2 3) of the header box (1 0) is subjected to depilation processing to face the inside. The bending makes it possible to be smoothly guided by the hole peripheral portion (23a) from the insertion tube (60) to the hole (23). Therefore, the insertion operation of the insertion tube can be further simplified. Implementation. And because the peripheral edge of the hole (2 3 a) is bent to the inside, it can fully meet the Chinese national standard (CNS) A4 specification (210X297 mm). (Please read the precautions on the back before filling this page). Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs-22- 534974 A7 B7 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs V. Invention Description (20) and greatly ensured the peripheral edge of the hole (2 3 a) and management The joint area of (6 0) is such that the joint portion between the two can be made airtight and the high quality can be obtained. < Second Embodiment > Figs. 9 to 13 show a header box (1 0) for a heat exchanger according to a second embodiment of the present invention. As shown in the drawings, the press-formed plate (1 1) to constitute the header box (1 0) is the same as the first embodiment described above, and includes a base wall area (2 1) and two side wall areas ( 4 1 a), (41b), half area on one side of the opposing wall (3 1 a), half area on the other side of the opposing wall (3 1 b), and reinforced wall area (5 1 a), (51b ), And a plurality of pipe insertion holes (2 3) are formed at a predetermined interval in the base wall region (2 1). In the press-molded plate (1 1), there are formed insert pieces (5 5 a) staggered along the length direction, (5 5 b) a reinforcing wall area (5 1 a) on one side and a reinforcement on the other side. The side edge of the wall region (5 1 b). Corresponding to the above-mentioned insertion pieces (5 5 a) and (5 5 b), the insertion piece engagement holes (2 5 a) on one side and the insertion piece engagement holes (2 5 b) on the other side are staggered. Configuration is jagged. The press-formed plate (1 1) will be appropriately subjected to bending processing for its respective areas (31a), (31b) '(41a), (41b), (51a), (51b) to overlap the reinforced wall area (51a). (51b), and insert the reinforced wall area (51a), (51b) (55a), (55b) in this state (Please read the precautions on the back before filling this page) $, τ

The size of this paper is applicable to China National Standard (CNS) A4 (2i0x297 mm) 534974 A7 B7 V. Description of the invention (21) to the corresponding insertion hole (25a), (25b) of the insert. Further, the insertion pieces (55a) and (55b) are bent outward by the gap treatment so that the bent portions (80a) and (80b) are engaged with the outer surface side of the base wall (20). As a result, a header box (100) for a heat exchanger can be produced. Since the other structures are the same as those of the first embodiment described above, the same reference numerals will be attached to the same or corresponding parts, and descriptions thereof will be omitted. Even the header box (10) for a heat exchanger according to this second embodiment has the same effect as the first embodiment described above. In addition, according to the second embodiment of the heat exchanger header box (10), the reinforcing wall areas (5la) and (5 1b) of the press-molded plate (11) are inserted into the sides The pieces (5 5 a), (5 5b) are alternately formed between the one side reinforcing wall area (5 1 a) and the other side reinforcing wall area (5 1 b) along the length of the header box, and The inserting piece engaging holes (2 5 a) and (2 5 b) are formed in a staggered zigzag configuration corresponding to each of the inserting pieces (5 5 a) and (5 5 b). Therefore, when the bending process is performed, It is possible to prevent the insert pieces (55a) and (55b) from interfering with each other between the reinforcing wall area (5 1 a) on one side and the reinforcing wall area (5 1 b) on the other side. Therefore, the insertion of the insertion pieces (55a), (55b) into the engagement holes (25a), (2 5b) can be performed efficiently and smoothly, making it easier to manufacture the header box. In addition, in the second embodiment, the dimensions of the paper are curved outwards due to the gap treatment. The Chinese National Standard (CNS) A4 specification (210X297 mm) is applicable.-Ze-(Please read the precautions on the back before filling in this Page) b *

X Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economy 534974 A7 B7 V. Description of the invention (22) The front end of the curved insert (55a), (55b), and the curved part (80a), (80b) is attached to the base wall ( 20) The outside can thus obtain a strong engagement state, and the number of inserts (5 5 a) and (5 5 b) to be formed can be reduced, so that the use of materials can be reduced, and the cost can be further reduced. In addition, since the front end of the insertion piece is fixed with a gap, it is possible to prevent the defects such as springback caused by bending processing. This makes it possible to further improve the dimensional accuracy and obtain higher quality header box products. . Furthermore, even when the front end of the gap insertion pieces (55a), (55b) is applied to engage the structure outside the base wall (20), the same effect can be obtained. In each of the above embodiments, as shown in FIG. 6B and FIG. 1B, the reinforcing wall (50a) and (50b) are inserted at the front end to engage with the base wall (20), but the present invention is not limited to this state. That's it. For example, as shown in FIG. 14A, hardened welding may be performed with the front end of the reinforcing wall (50a) and (50b) punctured on the inner surface of the base wall (20). Furthermore, as shown in FIG. 14B, the front end of the reinforcing wall (50a), (50b) is bent outward, and the bent portions (81a), (81b) are welded to the inner surface of the base wall (20). also may. When such a structure is adopted, since the joint area between the front end of the reinforcing wall (50a) '(50b) and the base wall (20) can be ensured to be extremely large, it is possible to reliably prevent the occurrence of defects such as defective brazing. . In the present invention, it is also possible to make two reinforced walls (50a), ((Please read the precautions on the back before filling in this page)

1. The paper size printed by the Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs of the 1T line is applicable to the Chinese National Standard (CNS) A4 specification (210X 297 mm) -25- 534974 A7 B7 V. Description of the invention (23) 5〇b) Front end ' Joined to the base wall (20) in different ways. For example, as shown in FIG. 14C, while the front end of one side reinforcing wall (50 a) is pierced into the inner surface of the base wall (20), the insertion piece (5 5 b) of the other side reinforcing wall (50 b) ) Brazing into the base wall (2 0) and brazing it for integration is also acceptable. Furthermore, as shown in FIG. 14D, while the front end of the one side reinforcing wall (50a) is pierced into the inner surface of the base wall (20), the curved portion of the front end of the other side reinforcing wall (5 Ob) ( 8 1 b) It may be brazed and integrated in a state of being joined to the inner surface of the base wall (20). Furthermore, as shown in FIG. 1E, it can also be used to join the front end curved portion (81a) of one side reinforcing wall (50a) to the inner surface of the base wall (20), while making the other side reinforcing wall (50) The insert piece (5 5 b) of b) is pierced into the base wall (20), and is brazed to be integrated. Also in the present invention, the shapes of the front ends of the reinforcing walls (50a) and (50b) do not necessarily need to be formed in a continuous shape along the length direction. For example, as shown in FIG. 15A, for the front end of the reinforcing wall (50a) and (50b), for example, the discontinuity is formed along the length direction as shown by the curved portion (8b), and each curved portion (8 1 b) While joining the inner surface of the base wall (2 0), the curved portions (8 1 b) may be pierced into the inner surface of the base wall (20), and may be hardened and integrated. As shown in FIG. 1B, for example, intermittent curved portions (8 1 b) are formed, and while they are joined to the inner surface of the base wall (20), they are inserted between the curved portions (8 1 b). Insert sheet (5 5 b) on the base wall (20) The paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) (Please read the precautions on the back before filling this page) ---- --Order ------ line

Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -26- 534974 A7 B7 5. In the state of invention (24), brazing can be used for integration. Also in the present invention, the above-mentioned joining methods of the reinforcing walls (50a), (50b), that is, the piercing method, the piercing gap method, the piercing (piercing) method, the bending joining method, etc., can also be applied. Appropriate combination for implementation. In each of the above-mentioned embodiments, two reinforcing walls (50a) and (50b) are provided, but the present invention is not limited thereto, and may be formed, for example, only in the half area on the side of the opposing wall (3 1 ) And the other half of the area (3 1 b) are provided with reinforcing walls so that the number of reinforcing walls becomes one. As described above, since the header box for a heat exchanger according to the present invention is formed by bending to integrate the base wall, the two side walls, the opposing wall, and the reinforcing wall into one body, it is not necessary to perform troublesome brazing or gap processing. With the joining process of the components, the number of parts can be reduced, so that the assembly operation can be easily performed, and the cost can be reduced. In addition, since a reinforcing wall is interposed between the base wall and the opposing wall, there is an effect that a sufficient compressive strength can be reliably obtained. When two reinforcing walls are provided, there is an advantage that the compressive strength can be further improved. When the notch portion for pipe locking is provided on the reinforcing wall, the end of the pipe (sub) can be locked at the notch and the positioning of the pipe can be intended, so that the operation of inserting the pipe (sub) can be smoothly performed. Therefore, There is an advantage that the assembling work can be performed more simply. In addition, when inserting the inserts provided on the reinforced wall to the insert of the base wall, the size of this paper applies the Chinese National Standard (CNS) A4 specification (210X 297 mm) (Please read the precautions on the back before filling this page) ·· ιτ-Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -27- 534974 Α7 Β7 V. Description of the invention (25) When the locking holes are used for fixing, it can prevent springback caused by bending processing, etc. The shape can be stabilized due to the disadvantages of the product. Therefore, it has the advantages of improving dimensional accuracy and obtaining high quality. Furthermore, when the insertion piece inserted into the base wall is inserted into the insertion hole of the insertion piece, and then the front end of the insertion piece is bent by the gap treatment to engage with the outside of the base wall, the reinforcing wall can be further fixed to the base wall, On the other hand, it is possible to reliably prevent the bad conditions such as springback, and thus it is possible to stabilize the shape. Therefore, it has the advantage of obtaining higher quality. Furthermore, when the front end of the reinforcing wall is bent and joined to the inner surface of the base wall, the joining area of the reinforcing wall to the base wall can be increased, so that the occurrence of poor joining such as welding failure can be prevented more reliably. When the peripheral part of the tube insertion hole of the base wall is bent inward, when the tube is inserted into the insertion hole, the tube can be smoothly guided to the peripheral edge of the hole, so that the insertion of the tube can be further simplified. At the same time of operation, the joint area between the pipe and the peripheral edge portion of the insertion hole can be ensured to be sufficiently large, so that the airtightness of the joint portion between the two can be surely intended, and it has the advantage of obtaining a higher quality. On the other hand, the manufacturing method of the header box for a heat exchanger according to the present invention specifically specifies one form of the manufacturing process of the header box for a heat exchanger, so that a header for a heat exchanger having the same effects as described above can be obtained. Tube phase. As for the heat exchanger of the present invention, since the above-mentioned header for a heat exchanger is used, the same effects as those described above can be obtained. Furthermore, as for the manufacturing method of the heat exchanger of the present invention, the above-mentioned paper size applies the Chinese National Standard (CNS) A4 specification (21〇 > < 297 mm) (Please read the precautions on the back before filling in this Page) Batch 11 I Thread

Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -28- 534974 A7 B7 V. Description of the Invention (26) For the header box for heat exchangers, the same effect can be obtained as above. The terms and descriptions used herein are used to explain the embodiments of the present invention, but the present invention is not limited to this. As long as it is within the scope of the patent application of the present invention and does not depart from the spirit, design changes are allowed. [Industrial Applicability] The header box for a heat exchanger of the present invention is suitable for use in a heat exchanger such as a condenser or an evaporator of a refrigeration system for a vehicle air conditioner (please read the precautions on the back first) Refill this page) • r ·

1T [Brief description of the drawing] Fig. 1 is a perspective (three-dimensional) line diagram showing the periphery of a header box of a heat exchanger using a header box in a disassembled state of the heat exchanger to which the first embodiment of the present invention is applied. Printed by the Employees' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. Figure 2 A is a front view of the aforementioned header box for heat exchangers, and 2 B is the same side view. Fig. 3 is a sectional view of the header box for the heat exchanger. Fig. 4 is a side cross-sectional view showing the periphery of the tube (sub) insertion hole of the header box for the heat exchanger enlarged. Fig. 5 is a sectional view taken along the line 5-5 in Fig. 3; Fig. 6A is a cross-sectional view taken along line 6-6 of Fig. 3 '6B is a cross-sectional view in which the portion surrounded by a one-point chain line in Fig. 6A is enlarged. This paper size applies the Chinese National Standard (CNS) A4 specification (210X297mm) -29- Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 534974 A7 B7_ V. Description of the invention (27) Figure 7 shows the manufacturing set of the aforementioned implementation form An oblique view of a press-formed plate for a tube box. FIG. 8 is a plan view showing the aforementioned press-formed plate. Fig. 9 is a side view showing a header for a heat exchanger according to a second embodiment of the present invention. Fig. 10 is a sectional view of a header box for a heat exchanger of the second embodiment.

Fig. 1A is a cross-sectional view taken along line 1 1-1 1 of Fig. 10 'Fig. 1 1B is an enlarged cross-sectional view showing a portion surrounded by a chain line at a point of Fig. 1 A. Fig. 12 is a perspective view showing a press-formed plate for manufacturing a header box according to the second embodiment. Fig. 13 is a plan view showing a press-formed plate of the second embodiment. Figs. 1 4 A to 1 4 E are enlarged sectional views showing the periphery of the joint between the reinforcing wall and the base wall of the header of the heat exchanger according to a modification of the present invention. Figs. 1 5 A and 15 B are enlarged views. The heat exchanger according to a modification of the present invention is a perspective view showing the periphery of the joint portion between the reinforcing wall and the base wall of the header box. FIG. 16 is a perspective view showing a conventional rectangular heat exchanger header box and its periphery in an exploded state. . 〔Explanation of Symbols〕 1: Manifold Box (Please read the precautions on the back before filling this page)

This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm)-30- 534974 A7 B7 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the invention (28) 2: 1st peripheral wall structure 2 a : Base wall 2 b: joint piece 2 c: pipe (sub) insertion hole 3: second peripheral wall structure 3 a: facing wall. 3 b: both side walls 4: reinforcing intermediate wall 4 a: notch ( (Recess) 5: heat exchange tube 10: header box for heat exchanger 11: press-formed sheet 2 0: base wall 21: base wall area 2 3: tube insertion hole 2 3 a: peripheral edge portion 23b: tube insertion guide 2 5: Insertion piece engagement holes 25a, 25b: Engagement holes 30: Opposite wall 30a:-Side half 30b: Other side half 3 1a: Opposite wall side half area 31b : The other half of the opposite wall (please read the precautions on the back before filling in this page) r ·,-mouth line This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) -31- 534974 A7 B7 V. Description of the invention (29) 4 0 3, 4 〇b: both side walls 4 1 a, 4 1 b: both side wall areas 50 a, 5 〇b: strengthening wall 5 la, 5 1 b: strengthening wall Area 5 3 a, 5 3 b: 5 5 a for tube locking, 5 5 b: Insertion piece 60: Heat exchange tube 7 0: Corrugated (wrinkled) fins 80a, 80b: Bending portions 8 1 a, 8 1 b: Bending portions ( Please read the notes on the back before filling out this page.) The paper size printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs applies to the Chinese National Standard (CNS) A4 (210X 297 mm)-32-

Claims (1)

534974 Printed by A8, B8, C8, and D8 of the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, and the scope of patent application is 1. A header box for a heat exchanger, which is provided with a heat exchange tube formed by a predetermined interval along the length direction A strip-shaped plate base wall of a plurality of tube (sub) insertion holes; arranged opposite to the opposite wall of the base wall; arranged between the above-mentioned base wall and the edges of both sides of the opposite wall for each A side wall connecting the edges of the two sides; and a reinforcing wall arranged along the length direction between the base wall and the facing wall, for connecting the base wall and the facing wall, and the two side walls are bent It is processed to form one edge of both sides of the base wall, and one side of the opposite wall to form one half of the opposite wall is formed by bending to form one of the two sidewalls. And the other half of the opposite wall, which forms the other half of the opposite wall, is formed by bending to form one side edge of the other side, and the reinforcing wall is formed by bending to form one Opposite wall on one half and other Side half portion of the edge of at least any one portion. 2 · If the header box for a heat exchanger of item 1 of the patent application range, wherein the aforementioned reinforcing wall is arranged on both the side half and the other half of the facing wall. 3. If the header box for a heat exchanger according to item 1 or 2 of the patent application scope, wherein the aforementioned reinforcing wall is integrally welded to the aforementioned base wall by facing the opposite edge portion of the aforementioned base wall. 4 · If the header box for a heat exchanger is used in item 2 of the patent application, wherein the two reinforced wall systems are arranged along contact with each other and are brazed into an integrated body. 5. If the header box for heat exchangers is applied for item 1 or 2 of the scope of patent application, where the aforementioned reinforced wall has a notch for tube (sub) locking corresponding to (please read the precautions on the back before filling this page) . Assembling and binding This paper size is in accordance with China National Standard (CNS) A4 (210X297 mm)-33- 534974 A8 B8 C8 D8 2 The scope of the patent application scope of the aforementioned plural tube insertion holes' and is configured to be inserted An end portion of the heat exchange tube in the tube insertion hole can be locked in a positioning state with the notch portion for tube locking. 6. The header box for a heat exchanger according to item 1 or 2 of the scope of patent application, wherein the reinforcing wall has an insert piece at an opposite end edge to the base wall, and the base wall forms an insert piece engaging hole corresponding to At the position of the insertion piece, the insertion piece is inserted into the insertion hole of the insertion piece. 7. The header box for a heat exchanger according to item 6 of the patent application, wherein the insert piece is inserted into the engaging hole of the insert piece, and is brazed to the base wall to be integrated. 8 · The header box for a heat exchanger according to item 6 of the patent application, wherein the insert piece is formed intermittently at predetermined intervals in the length direction of the header box. 9 _If the header box for a heat exchanger of item 6 of the application for a patent, wherein the insertion piece is inserted into the insertion hole of the insertion piece, the front end of the insertion piece is bent, and the bent portion is engaged with The outer surface of the aforementioned base wall 10. The header box for a heat exchanger as described in claim 1 or 2, wherein an inner edge portion of the aforementioned tube insertion hole of the aforementioned base wall is formed to be bent inward. 1. The header box for a heat exchanger such as the item 1 or 2 of the scope of the patent application, wherein the aforementioned reinforcing wall is in a state where the opposite end edge of the aforementioned base wall is arranged to the inner surface of the base wall. Header box for heat exchanger for the 11th scope of the patent application ---------- ¾ ------ 1T ------ ^ (Please read the precautions on the back before filling in this Page) Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. Applicable to the Chinese National Standard (CNS) A4 specification (210X 297 mm) at this paper scale. -34- 534974 A8 B8 C8 _______ D8 VI. Patent Application Scope The wall is integrated by brazing the opposite end edge of the base wall to the base wall. 13. The header box for a heat exchanger according to item 11 of the scope of the patent application, wherein the opposite end edge of the aforementioned reinforcing wall is continuously pierced into the aforementioned base wall toward the length of the header box. 1 4 · If the header box for a heat exchanger according to item 1 or 2 of the scope of patent application, the aforementioned reinforcing wall is bent outwardly from the opposite edge portion of the base wall, and the bent portion is connected to the base and arranged on the base. The inside of the wall. 1 5 _The header box for a heat exchanger such as item 14 of the scope of patent application ′ wherein the aforementioned reinforcing wall is brazed and its curved portion is integrated with the aforementioned base wall. 16 · If the header box for a heat exchanger according to item 14 of the scope of the patent application, the bent portion of the aforementioned reinforcing wall is formed continuously in the length direction of the header box. 17 · The header box for a heat exchanger according to item 14 of the scope of patent application, wherein the bent portion of the aforementioned reinforcing wall is formed continuously at a predetermined interval in the length direction of the header box. 1 8 If the header box for a heat exchanger according to item 17 of the scope of the patent application, wherein the aforementioned reinforcing wall is arranged between the curved portions adjacent to each other in the length direction of the header box, it is arranged to oppose the aforementioned base wall. The end edge is in a state of being punctured on the inner surface of the aforementioned base wall. 19 · The header box for a heat exchanger according to item 17 of the patent application scope, wherein the reinforcing wall is between the curved portions adjacent to the length of the header box, and has an insert piece formed with the base wall. The opposite end edge, and the base wall is formed with an inserting piece engaging hole corresponding to the position of the inserting piece, (please read the precautions on the back before filling out this page) The paper size printed by the consumer cooperative is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) -35- 534974 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A8 B8 C8 _______ D8 VI. Application for patent scope 4 and insert The insertion piece is engaged with the insertion hole of the insertion piece. 2 · If the header box for a heat exchanger of item 2 of the patent application scope, wherein one of the aforementioned reinforcing walls of the two sides has an insert piece at an end edge opposite to the aforementioned wall, and the aforementioned base wall is formed There is an inserting piece engaging hole at a position corresponding to the inserting piece, and the inserting piece is inserted while the inserting piece is engaged, and the reinforcing wall on the other side makes the end edge opposite to the base wall to The state of 剌 on the inner surface of the aforementioned base wall. 2 1 · If the header box for a heat exchanger of item 2 of the patent application scope, wherein one of the aforementioned reinforcing walls of the two sides has an insert at an end edge opposite to the aforementioned wall, and the aforementioned base wall is formed The inserting piece has an engaging hole at a position facing the inserting piece in pairs, and the reinforcing wall on the other side bends the end edge opposite to the base wall outward, and the bent portion is jointed and arranged on the base wall. inside. 2 2 · If a header box for a heat exchanger is used in the scope of patent application No. 21, the insert piece of the reinforcing wall on the one side is formed at a predetermined interval in the length direction of the header box. 2 3. The header box for a heat exchanger according to item 21 of the patent application, wherein the curved portion of the reinforcing wall on the other side is formed at a predetermined interval in the length direction of the header box. 2 4. If the header box for a heat exchanger according to item 2 of the scope of the patent application, one of the two reinforcing walls on the side is arranged in a state where the edge opposite to the base wall forms a thorn in the base wall. At the same time, the reinforcing wall on the other side is bent outward toward the end edge opposite to the base wall, and the bent portion is arranged to be joined to the inner surface of the base wall. This & Zhang scale is applicable to China National Standard (CNS) A4 specifications (210 X 297 public ϋ '—' (please read the precautions on the back before filling out this page)-installed ·, 1T line 534974 A8 B8 C8 D8 Ministry of Economy Wisdom Printed by the Consumers' Cooperative of the Property Bureau VI. Patent application scope 5 2 5 · If the header box of the heat exchanger for the patent application item No. 24 is used, the bent part of the reinforcing wall on the other side is the length of the header box. It is formed at predetermined intervals in a direction. 26. A header box for a heat exchanger, which is provided with a strip shape of a plurality of tube (sub) insertion holes for inserting heat exchange tubes formed at predetermined intervals in a longitudinal direction. Plate base wall; opposing walls arranged in pairs on the base wall; arranged between the aforementioned edge of the base wall and the opposite edges of the opposing wall for connecting the side walls of the opposite edges; and It is arranged between the base wall and the opposing wall in the length direction to reinforce the connecting wall between the base wall and the opposing wall, and the two side walls are formed by bending to form one side edge of the base wall. To form one side of the facing wall One half of the opposite wall of the half is formed by bending to be integrated into one of the two sidewalls, and the other half of the opposite wall is to constitute the other half of the opposite wall. The edge portion of the side wall integrally formed on the other side is formed by bending processing, and the edge portions of the side wall and the other half of the opposing wall are integrally formed on the opposite wall by bending processing. The edge of the reinforcing wall that is opposite to the base wall each forms an insert piece at a predetermined interval in the length direction of the header box, and one of the reinforcing walls on either side of the reinforcing wall is inserted into the reinforcing wall. The insert piece and the insert piece on the other side reinforced wall are arranged to be staggered along the length of the header box. An insert piece engaging hole is formed in the base wall to correspond to the insert piece, and the insert pieces are each inserted in the insert piece. Corresponding insert card for each insert (please read the precautions on the back first and then fill out this page) Alignment The paper size is applicable to China National Standard (CNS) A4 specification (210X297 mm) -37- Ministry of Economic Affairs Printed by the Bureau ’s Consumer Cooperatives 534974 A8 B8 C8 D8 6. Application for patent scope 6-Merge holes. 2 7 · For the header box of heat exchangers for patent application No. 26, where the aforementioned insertion hole is formed Arranged in a zigzag manner along the length of the header box. 2 8. The header box for a heat exchanger as described in item 26 or 27 of the patent application, wherein the insert piece is inserted into the insertion hole of the insert piece. The front end of the insert piece is bent, and the bent portion is engaged with the outer portion of the base wall. 2 9 · If a header box for a heat exchanger is used, the bent portion is treated with a gap. It is formed by bending the front end of the insert sheet. 3 0 · —A method for manufacturing a header box for a heat exchanger, which is to manufacture a strip-shaped plate base wall having a plurality of tube insertion holes for inserting heat exchange tubes formed at predetermined intervals along the length direction; An opposing wall arranged opposite to the base wall; arranged between the two edges of the aforementioned base wall and the opposing wall for connecting the aforementioned base wall and the two side walls for the opposing wall; and along the length direction A header box for a heat exchanger, which is arranged between the aforementioned base wall and the opposing wall, and is used to connect the aforementioned base wall and the opposing wall's reinforcing wall, includes: The forming plate preparation process must be prepared in the middle of the width direction, along the A base wall region having the pipe insertion hole is arranged in the length direction. Side wall regions are arranged along the length direction at the edge portions on both sides of the base wall region, and are arranged along the length direction at each edge portion of the two side wall regions. Reinforcing walls are arranged along the lengthwise direction of the opposite half wall area and the other half area, and at least one of the opposite half wall area and the other half area edge is provided along the longitudinal direction. Gutter on the wall (please read the Please fill in this page for the matters needing attention) This paper size is applicable to China National Standard (CNS) A4 specification (210X 297mm) -38- 534974 Printed by A8 B8 C8 D8 of Employee Cooperatives of Intellectual Property Bureau of the Ministry of Economic Affairs 6. Scope of patent application 7 Forming A process of applying a bending process to bend the aforementioned reinforced wall region of the forming plate to one side region and / or the other half region of the opposing wall; a process of applying a bending process to the aforementioned forming plate Performing a bending process on the two side wall regions of the one-side half region and the other half region of the opposing wall; and performing a bending process, performing a bending process on the two side wall regions of the forming plate and the base wall region Thus, the base wall region can be obtained as the base wall, the two side wall regions can be obtained as the two side walls, one half region of the opposing wall and the other half region can be obtained as the one half of the opposing wall, and the other One side half, and the aforementioned reinforced wall area serves as a header box for a heat exchanger of the aforementioned reinforced wall. 3 1 · According to the method for manufacturing a header box for a heat exchanger according to item 30 of the scope of patent application, in the preparation process of the forming plate, preparations are to be made in the longitudinal direction, each of which is provided with a reinforcing wall area on the side of the opposite wall. A forming plate at the edge of the outer region and the other half region. 3 2 · The method for manufacturing a header box for a heat exchanger according to item 30 of the scope of patent application, wherein during the preparation of the forming plate, a notch for tube locking is formed to correspond to the plurality of tubes corresponding to the reinforcing wall area. The position of the insertion hole is formed so that the end portion of the heat exchange tube to be inserted into the tube insertion hole can be locked in a positioning state at the notch portion for the tube locking. 3 3 · If the method of manufacturing a header box for a heat exchanger in the scope of patent application No. 30 or 31, in the preparation process of the aforementioned forming plate, it is shaped (please read the precautions on the back before filling this page). · The paper size of the 1T line is applicable to the Chinese National Standard (CNS) A4 specification (210 × 297 mm) -39- 534974 Printed by A8 B8 C8 D8 of the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 6. The scope of patent application 8 ~~ The edge of the reinforcing wall region opposite to the base wall and an insertion piece engaging hole are formed in the base wall area corresponding to the insertion piece and further have an insertion piece to be inserted into the insertion piece. The process of snapping holes. 3 4 · According to the method for manufacturing a header box for a heat exchanger according to the scope of the patent application No. 30 or 31, wherein in the aforementioned forming plate preparation process, the above-mentioned brazing sheet coated with hard solder on at least one side is used to manufacture the aforementioned Forming plate 03 · The manufacturing method of a header box for a heat exchanger as described in claim 34, wherein after the aforementioned bending process is applied, a whole batch of brazing is performed in a furnace. 36. A heat exchanger comprising: a pair of headers for heat exchangers; and a plurality of heat exchanges arranged in parallel between the pair of headers for heat exchangers and connected at both ends to the two headers. A tube (sub), at least one of the pair of headers for a heat exchanger, the header for a heat exchanger includes an end portion to be connected to the heat exchange tube in a lengthwise direction at predetermined intervals. The strip-shaped plate base wall used for recombining the insertion holes of the tube; the opposing wall arranged in pairs facing the base wall; arranged between the aforementioned base wall and the edges of the two sides of the opposing wall, and connecting the two A side wall of the side edge portion; and a reinforcing wall arranged along the length direction between the base wall and the opposing wall for connecting the base wall and the opposing wall, and the two sidewalls are formed integrally with the base by bending processing The edges of both sides of the wall, and the side of the opposite wall that constitutes one of the sides of the opposite wall are formed by bending to form one of the two side walls. (Please read the note on the back first Please fill in this item I) 1 pack, 1T line The paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) -40- 534974 Printed by A8 B8 C8 D8 of the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs, while applying for the scope of patents 9, constituting the other of the opposite wall One half of the opposing wall and one half of the opposing wall are integrally formed on the other side wall edge portion by bending processing, and the aforementioned reinforcing wall is integrally formed by bending processing. An edge portion of at least one of the side halves. 37. The heat exchanger according to item 36 of the scope of patent application, wherein the aforementioned reinforcing wall has a notch for tube locking at a position corresponding to the aforementioned plural tube insertion holes, and is to be inserted into the aforementioned tube insertion. The end portion of the heat exchange tube of the hole is locked in a positioning state with the notch portion for tube locking. 38. The heat exchanger according to item 36 or 37 of the scope of patent application, wherein the heat exchange tube ends are formed to be fixed to the heat exchanger header box by brazing. 39. A heat exchanger comprising: a pair of headers for heat exchangers; and a plurality of heat pipes arranged in parallel between the pair of headers for heat exchangers and connected at both ends to the two headers. An exchange tube (sub), at least one of the pair of heat exchanger header boxes, has a header for a heat exchanger, and the end of the heat exchange tube is formed to communicate with and connect to the heat exchange tube at a predetermined interval in the longitudinal direction. The base wall of the strip-shaped plate with a compound pipe insertion hole; the opposite wall arranged opposite to the base wall; arranged between the above-mentioned base wall and the edges of the opposite sides of the opposite wall to connect the Equal side walls at the edges of both sides; and a reinforcing wall arranged along the length direction between the base wall and the opposing wall, for connecting the base wall and the opposing wall, and the two sidewalls are formed integrally by bending The edges of the two sides of the base wall and the side of the opposite wall that constitutes one of the two sides of the opposite wall are formed by bending to form one of the two side edges (please read the back first) (Notes to fill in this page)-equipment " Alignment · This paper size is in accordance with Chinese National Standard (CNS) A4 (210X297mm) -41-534974 A8 B8 C8 D8 6. At the same time as the scope of patent application 1Q, the other half of the opposing wall The other half of the facing wall is integrally formed on the other side wall edge portion by bending processing, and the strong mouth wall is formed by bending processing to be integrally formed on one and the other half of the facing wall. The edges of the two sides, and the insert pieces are formed at predetermined intervals in the length direction of the header box, and the inserts are formed on the opposite edges of the reinforcing wall and the base wall opposite to each other and arranged in a staggered manner along the length of the header box. One of the aforementioned inserts of the strong wall on one side and the aforementioned insert of the strong wall on the other side, and the insert of the insert on the other side of the base wall are formed with insert hole engagement holes corresponding to the inserts, and Each of the insertion pieces is inserted into the insertion hole corresponding to the insertion piece. 40. The heat exchanger according to item 39 of the patent application range, wherein the reinforcing wall has a notch for tube locking at a position corresponding to the plurality of tube insertion holes, and is to be inserted into the tube insertion. The end portion of the heat exchange tube of the hole is locked in a positioning state with the notch portion for tube locking. 41. The heat exchanger according to claim 39 or 40, wherein the end portion of the heat exchange tube is formed to be fixed to the header box for the heat exchanger by brazing. 4 2 · The heat exchanger according to item 39 or 40 of the scope of patent application, wherein the engaging holes of the insert pieces are formed in a staggered configuration along the length of the header box. 43. A method for manufacturing a heat exchanger includes: a process of preparing a pair of header boxes for a heat exchanger; a process of preparing a plurality of heat exchange tubes (subs); and arranging the plurality of heat exchange tubes in parallel to the foregoing The paper size of the pair is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) (Please read the precautions on the back before filling out this page) Binding and binding-Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -42- 534974 A8 B8 C8 D8 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs, printed patents, applied for patent scope n between the header boxes for exchangers, and connected the two ends of each heat exchange tube to the two header boxes. As a heat exchanger header for at least one of the pair of heat exchanger headers, it is prepared to have a plurality of tube plugs formed at predetermined intervals in the longitudinal direction to connect the ends of the heat exchange tubes. The base wall of the belt-shaped plate for mounting holes; the opposing wall configured to oppose the base wall; disposed between the aforementioned edge of the base wall and the opposite sides of the opposing wall, and connecting the edges of the two sides Wall; and a reinforcing wall arranged along the length direction between the base wall and the opposing wall, for connecting the base wall and the opposing wall, and the two sidewalls are formed by bending to form one side of the base wall. Edge portion, and one side half of the opposite wall constituting one side half of the opposite wall is formed by bending to form one edge portion of one of the two side walls, and constitutes the other of the opposite wall The other half of the facing wall of the side half is formed integrally with the other side wall edge portion by bending processing, and the reinforcing wall is formed by being bent and integrated into one side half and the other half of the opposite wall. The edge part of at least one of the parts. 4 4 · According to the method for manufacturing a heat exchanger according to the scope of patent application No. 43, wherein the process of preparing a header box for a heat exchanger includes: preparing a base wall region having the aforementioned pipe insertion hole along the length direction In the middle of the width direction, 'each side wall region is arranged along the lengthwise direction on both side edges of the aforementioned base wall region', and one half region of the opposing wall and the other half region are arranged along the lengthwise direction of the two side wall regions. For each edge portion, the reinforcing wall region is arranged along the longitudinal direction of the edge plate forming plate at least one of the one-side half area and the other half-area of the opposite wall, and a forming plate preparation process; -(Please read the precautions on the back before filling this page), 1T line · This paper size is applicable to China National Standard (CNS) 8-4 specifications (210 × 297 mm) -43- 534974 A8 B8 C8 D8 6. Scope of patent application 12 The process of bending the aforementioned reinforced wall region of the plate with respect to the one-half region of the opposing wall and / or the other-half region; bending the one-half region of the opposing wall and the other side of the forming plate For the area on both sides of the region H of the embodiment of the bending process; and the region of the side walls of the forming plate to said base wall region embodiment of the bending process. 4 5. The method for manufacturing a heat exchanger according to item 43 or 44 of the scope of patent application, wherein the end portion of the heat exchange tube is formed to be fixed to the header box for the heat exchanger by brazing. 46. A method for manufacturing a heat exchanger includes: a process of preparing a pair of headers for a heat exchanger; a process of preparing a plurality of heat exchange tubes (subs); and arranging the plurality of heat exchange tubes in parallel to the foregoing The process of connecting a pair of header boxes for heat exchangers and connecting the two ends of each heat exchange tube to communicate with the two header phases is used as a heat exchanger for at least one of the foregoing pair of header boxes for heat exchangers. A header box is prepared to have a base wall formed with a strip-shaped plate to be connected to a plurality of tube insertion holes communicating with the ends of the heat exchange tube at predetermined intervals in the longitudinal direction; Facing wall; arranged between the two side edges of the aforementioned base wall and the opposing wall to connect the side walls of each of these two side edges; and arranged along the length direction between the aforementioned base wall and the opposing wall for The reinforcing wall connecting the base wall and the facing wall, and the two side walls are formed by bending on both side edges of the base wall and are formed on one side half of the facing wall. The side halves are made by bending While being integrated into the edge of one of the two side walls, the other half of the opposite wall constituting the other half of the opposite wall is sized to the Chinese National Standard (CNS) A4 (210X297 mm) ) --------- 1 I-install! C Please read the notes on the back before filling in this page.) Order-Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs, printed 534974 ABCD VI. The scope of application for patent 13 is formed by bending processing to be integrated on the side edge of the other side. The force D strong wall is formed by bending processing on both sides of one edge portion and the other half portion of the opposite wall, and insert pieces are formed on both sides at predetermined intervals in the length direction of the header box. An edge of the aforementioned reinforcing wall opposite to the aforementioned base wall, and one of the aforementioned insertion pieces of the reinforcing wall on one side and the reinforcing wall on the other side of the reinforcing wall on both sides are staggered along the length of the header box. The insert piece is formed by forming an insert piece engaging hole in the base wall at a position corresponding to the insert piece, and inserting each of the insert pieces into the insert piece engaging hole corresponding to the insert piece. 4 7 · According to the method for manufacturing a heat exchanger according to item 46 of the scope of patent application, the process of preparing the header box for the heat exchanger includes: preparing a base wall with the aforementioned tube insertion hole along the length direction. The area is in the middle of the width direction. Each side wall area is arranged along the lengthwise direction on both side edges of the aforementioned base wall area, and one half area and the other half area of the opposite wall are arranged along the length direction on the two side wall areas. For each edge portion, the reinforcing wall region is disposed along the length direction of the edge forming plate in at least one of the one-half area and the other half-area of the opposing wall, and a forming plate preparation process; The aforementioned reinforcing wall region is a process of bending the one half region and / or the other half region of the opposite wall; the one half region and the other half of the opposite wall of the forming plate A process of performing bending processing on the two side wall regions; and a process of performing bending processing on the base wall region of the two side wall regions of the forming plate. '4 8 · If the paper size of the heat exchanger in the scope of the patent application is No. 4 6 or 47, the paper size of the heat exchanger (CNS) A4 · (21Qx297) (please read the precautions on the back before filling this page) Printed by the Consumer Property Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs -45-534974 A8 B8 C8 D8 VI. Application for a patent scope 14 Manufacturing method, wherein the end of the aforementioned heat exchange tube is formed to be fixed to the aforementioned header for heat exchanger by brazing Box. ----------: ---: Packing-(Please read the precautions on the back before filling this page) Threaded by the Intellectual Property Bureau of the Ministry of Economic Affairs, printed by the Consumer Cooperatives -46- This paper Applicable to China National Standard (CNS) A4 specification (210X297 mm)