JP5868537B1 - Air conditioner and method of manufacturing air conditioner - Google Patents

Air conditioner and method of manufacturing air conditioner Download PDF

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Publication number
JP5868537B1
JP5868537B1 JP2015090360A JP2015090360A JP5868537B1 JP 5868537 B1 JP5868537 B1 JP 5868537B1 JP 2015090360 A JP2015090360 A JP 2015090360A JP 2015090360 A JP2015090360 A JP 2015090360A JP 5868537 B1 JP5868537 B1 JP 5868537B1
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heat exchanger
tube
side plate
tubes
marking
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JP2016205752A (en
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和平 新宮
和平 新宮
孝昭 安田
孝昭 安田
山田　清
清 山田
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Priority to EP16786242.4A priority patent/EP3290852B1/en
Priority to US15/543,802 priority patent/US20170370659A1/en
Priority to CN201680023701.4A priority patent/CN107532869A/en
Priority to PCT/JP2016/059083 priority patent/WO2016174965A1/en
Publication of JP2016205752A publication Critical patent/JP2016205752A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05325—Assemblies of conduits connected to common headers, e.g. core type radiators with particular pattern of flow, e.g. change of flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0265—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles

Abstract

【課題】製造コストを削減し、複数の接続部材が存在する場合においても取り付け作業性が向上する空気調和装置及び空気調和装置の製造方法を提供する。【解決手段】空気調和装置１は、圧縮機３、第１の熱交換器４、膨張部５及び第２の熱交換器６が配管７により接続され、冷媒が流通する冷媒回路２を備え、第１の熱交換器４は、放熱フィン１１と、放熱フィン１１に挿入され、冷媒が内部に流通する複数のチューブ１２と、チューブ１２の端部に設けられ、複数のチューブ１２が挿入される複数の穴１３ａが形成された側板１３と、を有し、側板１３には、接続対象となる複数のチューブ１２に対応する穴１３ａの間に、複数のチューブ１２を接続する接続部材１４の種類に対応したマーキング１５が施されている。【選択図】図３An air-conditioning apparatus and a method for manufacturing the air-conditioning apparatus that reduce the manufacturing cost and improve the mounting workability even when there are a plurality of connecting members. An air conditioner (1) includes a refrigerant circuit (2) in which a compressor (3), a first heat exchanger (4), an expansion unit (5), and a second heat exchanger (6) are connected by a pipe (7), and the refrigerant flows. The 1st heat exchanger 4 is inserted in the radiation fin 11, the radiation fin 11, the some tube 12 which a refrigerant | coolant distribute | circulates inside, the end part of the tube 12, and the some tube 12 is inserted. A side plate 13 formed with a plurality of holes 13a, and the side plate 13 has a type of connection member 14 for connecting the plurality of tubes 12 between the holes 13a corresponding to the plurality of tubes 12 to be connected. The marking 15 corresponding to is given. [Selection] Figure 3

Description

本発明は、側板が設けられた熱交換器を備える空気調和装置及びその空気調和装置の製造方法に関する。   The present invention relates to an air conditioner including a heat exchanger provided with a side plate and a method for manufacturing the air conditioner.

空気調和装置に用いられる熱交換器は、例えば放熱フィンとチューブと側板とで構成されている。放熱フィン及びチューブは複数設けられており、複数のチューブが複数の放熱フィンに挿入されている。側板はチューブの端部に設けられており、側板には、複数のチューブが挿入される複数の穴が形成されている。熱交換器には、側板において、複数のチューブ同士を接続する接続部材が設けられている。この接続部材としては、例えばＵベンド管、三方ベンド管及びバルジ三方管等が挙げられる。また、チューブがヘアピン管である場合、チューブと接続部材とは一体的に形成される。   The heat exchanger used for an air conditioning apparatus is comprised by the radiation fin, the tube, and the side plate, for example. A plurality of radiation fins and tubes are provided, and a plurality of tubes are inserted into the plurality of radiation fins. The side plate is provided at the end of the tube, and the side plate is formed with a plurality of holes into which the plurality of tubes are inserted. The heat exchanger is provided with a connection member for connecting a plurality of tubes on the side plate. Examples of the connecting member include a U-bend pipe, a three-way bend pipe, and a bulge three-way pipe. When the tube is a hairpin tube, the tube and the connecting member are integrally formed.

このような熱交換器に設けられる接続部材は、その接続パターン（パスパターン）が様々で且つ複雑である。このため、パスパターンが記載された図面が、別途用意される。そして、熱交換器を製造する作業者は、熱交換器とパスパターンが記載された図面とを交互に見比べつつ部品等を取り付けて組み立てている。パスパターンに関する部品は、多い場合、熱交換器１枚当たり１００個を超えることもある。また、その部品は、数種類に及ぶ場合もある。従って、作業時間が増加し、取り付け間違いによる仕損が発生する虞がある。   The connection member provided in such a heat exchanger has various and complicated connection patterns (path patterns). For this reason, a drawing in which a path pattern is described is prepared separately. And the operator who manufactures a heat exchanger attaches parts etc., and assembles, comparing the heat exchanger and the drawing in which the pass pattern was described alternately. In many cases, the number of parts related to the path pattern may exceed 100 per heat exchanger. In addition, there may be several types of parts. Therefore, the work time increases, and there is a possibility that a failure due to an attachment error occurs.

また、パスパターンに関する部品は、前述の如く、主に、ヘアピン管、Ｕベンド管、三方ベンド管及びバルジ三方管の４種類である。これらの接続部材は、機能、外形、取り付け数及び場所等に制限がない。このため、取り付け場所の確認及び取り付ける接続部材自体の確認に起因する作業時間の増加、取り付け場所の確認及び取り付ける接続部材自体の確認に起因する取り付け間違いによる仕損が発生する虞がある。   In addition, as described above, there are mainly four types of parts related to the path pattern: a hairpin tube, a U-bend tube, a three-way bend tube, and a bulge three-way tube. These connecting members are not limited in function, external shape, number of attachments, location, and the like. For this reason, there is a possibility that an increase in work time due to the confirmation of the mounting location and the confirmation of the connecting member itself to be attached, and a failure due to an attachment error due to the confirmation of the mounting location and the confirmation of the connecting member itself to be attached may occur.

なお、これらの接続部材がロウ付けによって取り付けられる場合、一旦取り付けられると、取り外しが困難である。このため、取り付け間違いが発生した場合、放熱フィン及び側板を含む熱交換器全体を廃棄しなければならない。   In addition, when these connection members are attached by brazing, once attached, it is difficult to remove. For this reason, when an attachment mistake occurs, the entire heat exchanger including the radiation fins and the side plates must be discarded.

ここで、特許文献１には、複数のベンド管を有する熱交換器の製造方法が開示されている。特許文献１は、ベンド管が挿入される穴が形成されたサポート材に、複数のベンド管を予め装着しておき、そのサポート材をプレートフィンに挿入されたチューブに嵌合することによって熱交換器が製造される。このように、特許文献１は、サポート材を用いることによって、ベンド管の取り付け場所の確認を不要とし、熱交換器の組み立て作業性を向上させようとするものである。   Here, Patent Document 1 discloses a method of manufacturing a heat exchanger having a plurality of bend pipes. Patent Document 1 discloses heat exchange by mounting a plurality of bend pipes in advance on a support material in which a hole into which a bend pipe is inserted is formed, and fitting the support material to a tube inserted in a plate fin. A vessel is manufactured. As described above, Patent Document 1 attempts to improve the assembly workability of the heat exchanger by using the support material so that the confirmation of the mounting location of the bend pipe is unnecessary.

特開２００９−６８８０５号公報JP 2009-68805 A

しかしながら、特許文献１に開示された熱交換器は、サポート材が必要であるため、製造コストが上昇する。また、特許文献１では、ベンド管のみの取り付けについて開示されており、複数の接続部材が存在する場合の取り付け作業性については何ら配慮されていない。   However, since the heat exchanger disclosed in Patent Document 1 requires a support material, the manufacturing cost increases. Moreover, in patent document 1, it discloses about the attachment of only a bend pipe | tube, and no consideration is given to attachment workability | operativity in case a some connection member exists.

本発明は、上記のような課題を背景としてなされたもので、製造コストを削減し、複数の接続部材が存在する場合においても取り付け作業性が向上する空気調和装置及び空気調和装置の製造方法を提供するものである。   The present invention has been made against the background of the above problems, and provides an air conditioner and a method for manufacturing an air conditioner that reduce the manufacturing cost and improve the mounting workability even when there are a plurality of connecting members. It is to provide.

本発明に係る空気調和装置は、圧縮機、第１の熱交換器、膨張部及び第２の熱交換器が配管により接続され、冷媒が流通する冷媒回路を備え、第１の熱交換器は、放熱フィンと、放熱フィンに挿入され、冷媒が内部に流通する複数のチューブと、チューブの端部に設けられ、複数のチューブが挿入される複数の穴が形成された側板と、を有し、側板には、接続対象となる複数のチューブに対応する穴の間に、複数のチューブを接続する接続部材の種類に対応したマーキングが施されており、接続部材として、非Ｔ字状のバルジ三方管が用いられており、側板には、接続部材の取り付け向きを示すマーキングが施されている。 An air conditioner according to the present invention includes a refrigerant circuit in which a compressor, a first heat exchanger, an expansion unit, and a second heat exchanger are connected by piping and through which a refrigerant flows, and the first heat exchanger is A heat dissipating fin, a plurality of tubes inserted into the heat dissipating fin and through which the refrigerant flows, and a side plate provided at an end of the tube and having a plurality of holes into which the plurality of tubes are inserted. The side plate is provided with markings corresponding to the types of connecting members that connect the plurality of tubes between the holes corresponding to the plurality of tubes to be connected , and a non-T-shaped bulge is used as the connecting member. A three-way pipe is used, and a marking indicating the mounting direction of the connecting member is provided on the side plate .

本発明によれば、側板には、接続対象となる複数のチューブに対応する穴の間に、複数のチューブを接続する接続部材の種類に対応したマーキングが施されている。このため、サポート材がなくとも、位置決めが容易である。従って、製造コストを削減することができる。また、マーキングは、接続部材の種類毎に異なるため、取り付ける接続部材を容易に認識することができる。このため、複数の接続部材が存在する場合においても取り付け作業性を向上させることができる。   According to this invention, the marking corresponding to the kind of connecting member which connects a some tube is given to the side plate between the holes corresponding to the some tube used as a connection object. For this reason, positioning is easy even without a support material. Therefore, the manufacturing cost can be reduced. Further, since the marking is different for each type of connecting member, the connecting member to be attached can be easily recognized. For this reason, attachment workability | operativity can be improved even when a some connection member exists.

本発明の実施の形態１に係る空気調和装置１を示す回路図である。It is a circuit diagram which shows the air conditioning apparatus 1 which concerns on Embodiment 1 of this invention. 本発明の実施の形態１における第１の熱交換器４を示す側面図である。It is a side view which shows the 1st heat exchanger 4 in Embodiment 1 of this invention. 本発明の実施の形態１における第１の熱交換器４を示す正面図である。It is a front view which shows the 1st heat exchanger 4 in Embodiment 1 of this invention. 本発明の実施の形態１における第１の熱交換器４の側板１３を示す正面図である。It is a front view which shows the side plate 13 of the 1st heat exchanger 4 in Embodiment 1 of this invention. 本発明の実施の形態１におけるマーキング１５の種類を示す図である。It is a figure which shows the kind of marking 15 in Embodiment 1 of this invention. 本発明の実施の形態１に係る空気調和装置１の製造方法を示すフローチャートである。It is a flowchart which shows the manufacturing method of the air conditioning apparatus 1 which concerns on Embodiment 1 of this invention. 本発明の実施の形態１における第１の熱交換器４の側板１３を示す正面図である。It is a front view which shows the side plate 13 of the 1st heat exchanger 4 in Embodiment 1 of this invention.

以下、本発明に係る空気調和装置１及び空気調和装置１の製造方法の実施の形態について、図面を参照しながら説明する。なお、以下に説明する実施の形態によって本発明が限定されるものではない。また、図１を含め、以下の図面では各構成部材の大きさの関係が実際のものとは異なる場合がある。   Hereinafter, embodiments of an air conditioner 1 and a method of manufacturing the air conditioner 1 according to the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments described below. Moreover, in the following drawings including FIG. 1, the relationship of the size of each component may be different from the actual one.

実施の形態１．
図１は、本発明の実施の形態１に係る空気調和装置１を示す回路図である。図１に基づいて、空気調和装置１について説明する。図１に示すように、空気調和装置１は、冷媒回路２を備えている。冷媒回路２は、圧縮機３、第１の熱交換器４、膨張部５及び第２の熱交換器６が配管７により接続され、冷媒が流通するものである。 Embodiment 1 FIG.
FIG. 1 is a circuit diagram showing an air conditioner 1 according to Embodiment 1 of the present invention. The air conditioner 1 will be described based on FIG. As shown in FIG. 1, the air conditioner 1 includes a refrigerant circuit 2. In the refrigerant circuit 2, the compressor 3, the first heat exchanger 4, the expansion unit 5, and the second heat exchanger 6 are connected by a pipe 7, and the refrigerant circulates.

圧縮機３は、冷媒を圧縮するものである。第１の熱交換器４は、例えば室外に設けられ、室外空気と冷媒とを熱交換するものである。第１の熱交換器４には、冷媒の流入側に流入ヘッダ４ａが設けられており、流入ヘッダ４ａは、圧縮機３から吐出された冷媒を第１の熱交換器４の各チューブ１２に分配するものである。また、第１の熱交換器４には、冷媒の流出側に第１の流出ヘッダ４ｂが設けられており、第１の流出ヘッダ４ｂは、各チューブ１２から流出する冷媒を集約して、膨張部５に流出させるものである。   The compressor 3 compresses the refrigerant. The first heat exchanger 4 is provided, for example, outdoors and exchanges heat between outdoor air and the refrigerant. The first heat exchanger 4 is provided with an inflow header 4 a on the refrigerant inflow side, and the inflow header 4 a supplies the refrigerant discharged from the compressor 3 to each tube 12 of the first heat exchanger 4. To distribute. Further, the first heat exchanger 4 is provided with a first outflow header 4b on the refrigerant outflow side, and the first outflow header 4b collects the refrigerant flowing out from each tube 12 and expands. It flows out to the part 5.

膨張部５は、冷媒を膨張及び減圧するものである。第２の熱交換器６は、例えば室内に設けられ、室内空気と冷媒とを熱交換するものである。第２の熱交換器６には、冷媒の流入側に分配器６ａが設けられており、分配器６ａは、膨張部５から流出した冷媒を第２の熱交換器６の各チューブ１２に分配するものである。また、第２の熱交換器６には、冷媒の流出側に第２の流出ヘッダ６ｂが設けられており、第２の流出ヘッダ６ｂは、各チューブ１２から流出する冷媒を集約して、圧縮機３に流出させるものである。   The expansion part 5 expands and depressurizes the refrigerant. The second heat exchanger 6 is provided, for example, indoors and exchanges heat between indoor air and the refrigerant. The second heat exchanger 6 is provided with a distributor 6 a on the refrigerant inflow side, and the distributor 6 a distributes the refrigerant flowing out of the expansion section 5 to each tube 12 of the second heat exchanger 6. To do. Further, the second heat exchanger 6 is provided with a second outflow header 6b on the refrigerant outflow side, and the second outflow header 6b collects the refrigerant flowing out from each tube 12 and compresses it. It is made to flow out to the machine 3.

図２Ａは、本発明の実施の形態１における第１の熱交換器４を示す側面図、図２Ｂは、本発明の実施の形態１における第１の熱交換器４を示す正面図である。次に、第１の熱交換器４について説明する。図２Ａ，図２Ｂに示すように、第１の熱交換器４は、放熱フィン１１と、複数のチューブ１２と、側板１３とを有している。放熱フィン１１は例えば複数設けられており、複数の放熱フィン１１は、互いに間隔を空けて配置されている。複数の放熱フィン１１同士の間には、室外空気が流れている。   2A is a side view showing first heat exchanger 4 in Embodiment 1 of the present invention, and FIG. 2B is a front view showing first heat exchanger 4 in Embodiment 1 of the present invention. Next, the first heat exchanger 4 will be described. As shown in FIGS. 2A and 2B, the first heat exchanger 4 includes heat radiating fins 11, a plurality of tubes 12, and side plates 13. A plurality of radiating fins 11 are provided, for example, and the plurality of radiating fins 11 are spaced apart from each other. Outdoor air flows between the plurality of heat radiation fins 11.

複数のチューブ１２は、放熱フィン１１に挿入され、冷媒が内部に流通するものである。   The plurality of tubes 12 are inserted into the heat radiating fins 11, and the refrigerant circulates inside.

側板１３は、チューブ１２の端部に設けられ、複数のチューブ１２が挿入される複数の穴１３ａが形成されている。側板１３は、例えばチューブ１２の両端部において放熱フィン１１を挟み込むように設けられている。側板１３の上端部及び下端部は、放熱フィン１１とは反対側の方向に９０°曲げられている。   The side plate 13 is provided at the end of the tube 12 and has a plurality of holes 13a into which the plurality of tubes 12 are inserted. The side plate 13 is provided so as to sandwich the heat radiating fins 11 at both ends of the tube 12, for example. The upper and lower end portions of the side plate 13 are bent by 90 ° in the direction opposite to the radiation fins 11.

図３は、本発明の実施の形態１における第１の熱交換器４の側板１３を示す正面図である。次に、第１の熱交換器４の側板１３について説明する。図３に示すように、側板１３には、接続対象となる複数のチューブ１２に対応する穴１３ａの間に、複数のチューブ１２を接続する接続部材１４の種類に対応したマーキング１５が施されている。   FIG. 3 is a front view showing the side plate 13 of the first heat exchanger 4 according to Embodiment 1 of the present invention. Next, the side plate 13 of the first heat exchanger 4 will be described. As shown in FIG. 3, the side plate 13 is provided with markings 15 corresponding to the types of connecting members 14 that connect the plurality of tubes 12 between the holes 13a corresponding to the plurality of tubes 12 to be connected. Yes.

接続部材１４としては、例えばＵ字状のＵベンド管１４Ａ、Ｔ字状の三方ベンド管１４ｂ及び非Ｔ字状のバルジ三方管１４ｃ等が挙げられる。また、本実施の形態１では、チューブ１２がヘアピン管であり、チューブ１２と接続部材１４とは一体的に形成されている。   Examples of the connecting member 14 include a U-shaped U-bend tube 14A, a T-shaped three-way bend tube 14b, and a non-T-shaped bulge three-way tube 14c. In the first embodiment, the tube 12 is a hairpin tube, and the tube 12 and the connecting member 14 are integrally formed.

図４は、本発明の実施の形態１におけるマーキング１５の種類を示す図である。図４に示すように、ヘアピン管の場合、マーキング１５は１本の直線とされる。Ｕベンド管１４Ａの場合、マーキング１５は２本の平行な直線とされる。三方ベンド管１４ｂの場合、マーキング１５は２本の直線が直交したものとされる。バルジ三方管１４ｃの場合、マーキング１５は２本の直線が非垂直に交差したものであり、また取り付け向きも示される。なお、マーキング１５の寸法は、適宜決定される。   FIG. 4 is a diagram showing types of markings 15 according to the first embodiment of the present invention. As shown in FIG. 4, in the case of a hairpin tube, the marking 15 is a single straight line. In the case of the U-bend tube 14A, the marking 15 is two parallel straight lines. In the case of the three-way bend pipe 14b, the marking 15 has two straight lines orthogonal to each other. In the case of the bulge three-way pipe 14c, the marking 15 is a non-vertical intersection of two straight lines, and the mounting direction is also shown. The dimension of the marking 15 is determined as appropriate.

本実施の形態１において、マーキング１５は刻印治具によって施されており、刻印治具は金属からなる。この刻印治具には、マーキング１５の種類の形状がかたどられている。なお、マーキング１５は、筆記具によって施されていてもよく、また、シールによって施されていてもよい。更に、マーキング１５は、複数の穴１３ａ同士を覆うように施されてもよい。   In the first embodiment, the marking 15 is provided by a marking jig, and the marking jig is made of metal. The marking jig has a shape of the type of the marking 15. Note that the marking 15 may be provided by a writing instrument or may be provided by a seal. Furthermore, the marking 15 may be applied so as to cover the plurality of holes 13a.

図５は、本発明の実施の形態１に係る空気調和装置１の製造方法を示すフローチャートである。次に、空気調和装置１の製造方法について説明する。先ず、側板１３に、複数のチューブ１２が挿入される複数の穴１３ａが形成される。具体的には、第１の熱交換器４の側板１３となる平板状の金属板に、例えばバーリング処理によって複数の穴１３ａが形成される（ステップＳＴ１）。   FIG. 5 is a flowchart showing a method for manufacturing the air-conditioning apparatus 1 according to Embodiment 1 of the present invention. Next, the manufacturing method of the air conditioning apparatus 1 is demonstrated. First, a plurality of holes 13 a into which a plurality of tubes 12 are inserted are formed in the side plate 13. Specifically, a plurality of holes 13a are formed in the flat metal plate that becomes the side plate 13 of the first heat exchanger 4 by, for example, burring (step ST1).

次に、側板１３において、接続対象となる複数のチューブ１２に対応する穴１３ａの間に、複数のチューブ１２を接続する接続部材１４の種類に対応したマーキング１５が施される。具体的には、複数の穴１３ａ同士の間に、刻印治具によってマーキング１５が打刻される（ステップＳＴ２）。そして、金属板の上端部及び下端部が９０°曲げられる。これにより、第１の熱交換器４の側板１３が製造される（ステップＳＴ３）。その後、この側板１３を用いて第１の熱交換器４が製造され、その第１の熱交換器４を用いて空気調和装置１が製造される。   Next, on the side plate 13, markings 15 corresponding to the types of connection members 14 that connect the plurality of tubes 12 are provided between the holes 13a corresponding to the plurality of tubes 12 to be connected. Specifically, the marking 15 is stamped by a marking jig between the plurality of holes 13a (step ST2). And the upper end part and lower end part of a metal plate are bent 90 degrees. Thereby, the side plate 13 of the first heat exchanger 4 is manufactured (step ST3). Thereafter, the first heat exchanger 4 is manufactured using the side plate 13, and the air conditioner 1 is manufactured using the first heat exchanger 4.

次に、本実施の形態１に係る空気調和装置１の運転状態について説明する。圧縮機３は、冷媒を吸入し、この冷媒を圧縮して高温高圧のガスの状態で吐出する。この吐出された冷媒は、第１の熱交換器４に流入し、第１の熱交換器４は、室外空気との熱交換により、冷媒を凝縮する。凝縮された冷媒は、膨張部５に流入し、膨張部５は、凝縮された冷媒を膨張及び減圧する。そして、減圧された冷媒は、第２の熱交換器６に流入し、第２の熱交換器６は、室内空気との熱交換により、冷媒を蒸発する。このとき、室内空気が冷却されて、室内が冷房される。そして、蒸発されて高温低圧のガスの状態となった冷媒は、圧縮機３に吸入される。   Next, the operating state of the air conditioner 1 according to Embodiment 1 will be described. The compressor 3 sucks the refrigerant, compresses the refrigerant, and discharges the refrigerant in a high-temperature and high-pressure gas state. The discharged refrigerant flows into the first heat exchanger 4, and the first heat exchanger 4 condenses the refrigerant by exchanging heat with outdoor air. The condensed refrigerant flows into the expansion unit 5, and the expansion unit 5 expands and depressurizes the condensed refrigerant. Then, the decompressed refrigerant flows into the second heat exchanger 6, and the second heat exchanger 6 evaporates the refrigerant by exchanging heat with room air. At this time, the room air is cooled and the room is cooled. Then, the refrigerant that has been evaporated to become a high-temperature and low-pressure gas state is sucked into the compressor 3.

このように、本実施の形態１にかかる空気調和装置１は、冷房運転を行う際に用いられるものであるが、冷媒回路２に流路切替部を設けることによって、冷房運転だけでなく暖房運転も実施可能に構成されてもよい。   As described above, the air-conditioning apparatus 1 according to the first embodiment is used when the cooling operation is performed. By providing the flow path switching unit in the refrigerant circuit 2, not only the cooling operation but also the heating operation is performed. May also be configured to be feasible.

図６は、本発明の実施の形態１における第１の熱交換器４の側板１３を示す正面図である。次に、本実施の形態１に係る空気調和装置１の作用について説明する。図６において、実線矢印は、第１の熱交換器４の一端部の側板１３に取り付けられる接続部材１４の取り付け位置と、冷媒の流通方向とを示すものである。また、図６において、破線は、第１の熱交換器４の他端部の側板１３に取り付けられる接続部材１４の取り付け位置を示すものである。このように、第１の熱交換器４においては、両端部の側板１３で取り付けられる接続部材１４が異なるため、両端部の側板１３には、夫々異なるマーキング１５が施されている。   FIG. 6 is a front view showing the side plate 13 of the first heat exchanger 4 according to Embodiment 1 of the present invention. Next, the effect | action of the air conditioning apparatus 1 which concerns on this Embodiment 1 is demonstrated. In FIG. 6, a solid line arrow indicates the attachment position of the connection member 14 attached to the side plate 13 at one end of the first heat exchanger 4 and the refrigerant flow direction. In FIG. 6, the broken line indicates the attachment position of the connection member 14 attached to the side plate 13 at the other end of the first heat exchanger 4. Thus, in the 1st heat exchanger 4, since the connection member 14 attached by the side plate 13 of both ends differs, the marking 15 which is different is given to the side plate 13 of both ends, respectively.

図６に示すように、各接続部材１４は、マーキング１５の種類に応じて取り付けられる。例えば、２本の平行な直線のマーキング１５が施された部分には、Ｕベンド管１４Ａが取り付けられる。また、２本の直交する直線のマーキング１５が施された部分には、三方ベンド管１４ｂが取り付けられる。更に、破線においてはマーキング１５が図示されていないが、ヘアピン管（チューブ１２）が取り付けられる。そして、流入ヘッダ４ａから流入した冷媒は、ヘアピン管（チューブ１２）、Ｕベンド管１４Ａ、ヘアピン管（チューブ１２）、三方ベンド管１４ｂの順に流通する。   As shown in FIG. 6, each connection member 14 is attached according to the type of marking 15. For example, a U-bend tube 14A is attached to a portion where two parallel straight markings 15 are provided. A three-way bend pipe 14b is attached to a portion where two orthogonal straight markings 15 are provided. Furthermore, although the marking 15 is not shown in the broken line, a hairpin tube (tube 12) is attached. And the refrigerant | coolant which flowed in from the inflow header 4a distribute | circulates in order of the hairpin pipe | tube (tube 12), U bend pipe | tube 14A, the hairpin pipe | tube (tube 12), and the three-way bend pipe | tube 14b.

三方ベンド管１４ｂで分岐した冷媒の一方は、ヘアピン管（チューブ１２）、Ｕベンド管１４Ａ、ヘアピン管（チューブ１２）、Ｕベンド管１４Ａ、ヘアピン管（チューブ１２）の順に流通して第１の流出ヘッダ４ｂに流出する。また、三方ベンド管１４ｂで分岐した冷媒の他方は、ヘアピン管（チューブ１２）、Ｕベンド管１４Ａ、ヘアピン管（チューブ１２）、Ｕベンド管１４Ａ、ヘアピン管（チューブ１２）の順に流通して第１の流出ヘッダ４ｂに流出する。   One of the refrigerants branched by the three-way bend tube 14b flows in the order of the hairpin tube (tube 12), the U bend tube 14A, the hairpin tube (tube 12), the U bend tube 14A, and the hairpin tube (tube 12). It flows out to the outflow header 4b. Further, the other refrigerant branched by the three-way bend pipe 14b flows in the order of the hairpin pipe (tube 12), the U bend pipe 14A, the hairpin pipe (tube 12), the U bend pipe 14A, and the hairpin pipe (tube 12). 1 outflow header 4b.

以上説明したように、側板１３には、接続対象となる複数のチューブ１２に対応する穴１３ａの間に、複数のチューブ１２を接続する接続部材１４の種類に対応したマーキング１５が施されている。このため、サポート材がなくとも、位置決めが容易である。従って、製造コストを削減することができる。また、マーキング１５は、接続部材１４の種類毎に異なるため、取り付ける接続部材１４を容易に認識することができる。このため、複数の接続部材１４が存在する場合においても取り付け作業性を向上させることができる。   As described above, the side plate 13 is provided with the markings 15 corresponding to the types of the connecting members 14 that connect the plurality of tubes 12 between the holes 13a corresponding to the plurality of tubes 12 to be connected. . For this reason, positioning is easy even without a support material. Therefore, the manufacturing cost can be reduced. Further, since the marking 15 is different for each type of the connecting member 14, the connecting member 14 to be attached can be easily recognized. For this reason, attachment workability | operativity can be improved even when the some connection member 14 exists.

また、これにより、第１の熱交換器４に接続部材１４を取り付ける時間を短縮することができる。また、取り付け作業性が向上するため、第１の熱交換器４の品質を向上させることができる。更に、接続部材１４がロウ付けによって取り付けられても、取り付け間違いの発生を抑制することができるため、放熱フィン１１及び側板１３を含む第１の熱交換器４全体を廃却するリスクを軽減することができる。これにより、省エネルギーに資する。   Thereby, the time which attaches the connection member 14 to the 1st heat exchanger 4 can be shortened. Moreover, since attachment workability | operativity improves, the quality of the 1st heat exchanger 4 can be improved. Furthermore, even if the connection member 14 is attached by brazing, it is possible to suppress the occurrence of attachment mistakes, so that the risk of discarding the entire first heat exchanger 4 including the radiation fins 11 and the side plates 13 is reduced. be able to. This contributes to energy saving.

なお、本実施の形態１では、第１の熱交換器４の側板１３にマーキング１５が施されているが、第２の熱交換器６の側板１３にマーキング１５が施されてもよい。この場合、膨張部５から流入した冷媒が、ヘアピン管、Ｕベンド管１４Ａ及び三方ベンド管１４ｂ等を流通して、第２の流出ヘッダ６ｂに流出する。また、本実施の形態１では、第１の熱交換器４の側板１３にマーキング１５が施されているが、第２の熱交換器６の側板１３にマーキング１５が施されてもよい。   In the first embodiment, the marking 15 is given to the side plate 13 of the first heat exchanger 4, but the marking 15 may be given to the side plate 13 of the second heat exchanger 6. In this case, the refrigerant flowing in from the expansion part 5 flows through the hairpin tube, the U-bend tube 14A, the three-way bend tube 14b, etc., and flows out to the second outflow header 6b. Moreover, in Embodiment 1, the marking 15 is given to the side plate 13 of the first heat exchanger 4, but the marking 15 may be given to the side plate 13 of the second heat exchanger 6.

また、チューブ１２はヘアピン管であり、チューブ１２と接続部材１４とは一体的に形成されている。これにより、ヘアピン管の取り付け作業性を向上させることができる。   The tube 12 is a hairpin tube, and the tube 12 and the connection member 14 are formed integrally. Thereby, the attachment workability | operativity of a hairpin pipe | tube can be improved.

更に、接続部材１４として、Ｕ字状のＵベンド管１４Ａが用いられている。これにより、Ｕベンド管１４Ａの取り付け作業性を向上させることができる。   Furthermore, a U-shaped U-bend tube 14 </ b> A is used as the connection member 14. Thereby, attachment workability | operativity of U bend pipe | tube 14A can be improved.

更にまた、接続部材１４として、Ｔ字状の三方ベンド管１４ｂが用いられている。これにより、三方ベンド管１４ｂの取り付け作業性を向上させることができる。   Furthermore, a T-shaped three-way bend pipe 14 b is used as the connecting member 14. Thereby, the attachment workability | operativity of the three-way bend pipe 14b can be improved.

そして、接続部材１４として、非Ｔ字状のバルジ三方管１４ｃが用いられており、側板１３には、接続部材１４の取り付け向きを示すマーキング１５が施されている。これにより、バルジ三方管１４ｃの取り付け作業性を向上させることができ、また、その取り付け向きを容易に認識することができる。   A non-T-shaped bulge three-way pipe 14 c is used as the connecting member 14, and the side plate 13 is provided with a marking 15 indicating the mounting direction of the connecting member 14. Thereby, the attachment workability | operativity of the bulge three-way pipe 14c can be improved, and the attachment direction can be recognized easily.

また、側板１３には、刻印治具によってマーキング１５が施されている。これにより、マーキング１５の施工性が向上する。   The side plate 13 is provided with a marking 15 by a marking jig. Thereby, the workability of the marking 15 is improved.

更に、側板１３には、筆記具によってマーキング１５が施されている。これにより、マーキング１５の施工性が向上する。   Further, the side plate 13 is provided with a marking 15 with a writing instrument. Thereby, the workability of the marking 15 is improved.

更にまた、側板１３には、シールによってマーキング１５が施されている。これにより、マーキング１５の施工性が向上する。   Furthermore, the side plate 13 is provided with a marking 15 by a seal. Thereby, the workability of the marking 15 is improved.

そして、側板１３には、複数の穴１３ａ同士を覆うようにマーキング１５が施されている。これにより、マーキング１５の施工性が向上する。   The side plate 13 is provided with markings 15 so as to cover the plurality of holes 13a. Thereby, the workability of the marking 15 is improved.

また、圧縮機３、第１の熱交換器４、膨張部５及び第２の熱交換器６が配管７により接続され、冷媒が流通する冷媒回路２を備え、第１の熱交換器４は、放熱フィン１１と、放熱フィン１１に挿入され、冷媒が内部に流通する複数のチューブ１２と、チューブ１２の端部に設けられた側板１３と、を有する空気調和装置１の製造方法において、側板１３に、複数のチューブ１２が挿入される複数の穴１３ａを形成する工程と、側板１３において、接続対象となる複数のチューブ１２に対応する穴１３ａの間に、複数のチューブ１２を接続する接続部材１４の種類に対応したマーキング１５を施す工程と、を備える。このため、サポート材がなくとも、位置決めが容易である。従って、製造コストを削減することができる。また、マーキング１５は、接続部材１４の種類毎に異なるため、取り付ける接続部材１４を容易に認識することができる。このため、複数の接続部材１４が存在する場合においても取り付け作業性を向上させることができる。   Moreover, the compressor 3, the 1st heat exchanger 4, the expansion part 5, and the 2nd heat exchanger 6 are connected by the piping 7, and are provided with the refrigerant circuit 2 through which a refrigerant | coolant distribute | circulates, the 1st heat exchanger 4 is In the method of manufacturing the air conditioner 1, the side plate includes: the radiation fins 11, the plurality of tubes 12 inserted into the radiation fins 11 and through which the refrigerant flows, and the side plates 13 provided at the ends of the tubes 12. 13, a step of forming a plurality of holes 13 a into which the plurality of tubes 12 are inserted, and a connection for connecting the plurality of tubes 12 between the holes 13 a corresponding to the plurality of tubes 12 to be connected in the side plate 13. Providing a marking 15 corresponding to the type of the member 14. For this reason, positioning is easy even without a support material. Therefore, the manufacturing cost can be reduced. Further, since the marking 15 is different for each type of the connecting member 14, the connecting member 14 to be attached can be easily recognized. For this reason, attachment workability | operativity can be improved even when the some connection member 14 exists.

１ 空気調和装置、２ 冷媒回路、３ 圧縮機、４ 第１の熱交換器、４ａ 流入ヘッダ、４ｂ 第１の流出ヘッダ、５ 膨張部、６ 第２の熱交換器、６ａ 分配器、６ｂ 第２の流出ヘッダ、７ 配管、１１ 放熱フィン、１２ チューブ、１３ 側板、１３ａ 穴、１４ 接続部材、１４ａ Ｕベンド管、１４ｂ 三方ベンド管、１４ｃ バルジ三方管、１５ マーキング。   DESCRIPTION OF SYMBOLS 1 Air conditioning apparatus, 2 Refrigerant circuit, 3 Compressor, 4 1st heat exchanger, 4a Inflow header, 4b 1st outflow header, 5 Expansion part, 6 2nd heat exchanger, 6a Distributor, 6b 1st 2 outflow headers, 7 piping, 11 radiating fins, 12 tubes, 13 side plates, 13a holes, 14 connecting members, 14a U bend pipes, 14b three-way bend pipes, 14c bulge three-way pipes, 15 markings.

Claims (8)

圧縮機、第１の熱交換器、膨張部及び第２の熱交換器が配管により接続され、冷媒が流通する冷媒回路を備え、
前記第１の熱交換器は、
放熱フィンと、
前記放熱フィンに挿入され、前記冷媒が内部に流通する複数のチューブと、
前記チューブの端部に設けられ、複数の前記チューブが挿入される複数の穴が形成された側板と、を有し、
前記側板には、接続対象となる複数の前記チューブに対応する前記穴の間に、当該複数の前記チューブを接続する接続部材の種類に対応したマーキングが施されており、
前記接続部材として、非Ｔ字状のバルジ三方管が用いられており、
前記側板には、前記接続部材の取り付け向きを示すマーキングが施されている
空気調和装置。 A compressor, a first heat exchanger, an expansion section, and a second heat exchanger are connected by a pipe, and include a refrigerant circuit through which a refrigerant flows;
The first heat exchanger is
Radiating fins,
A plurality of tubes inserted into the heat dissipating fins and through which the refrigerant flows;
A side plate provided at an end of the tube and having a plurality of holes into which the plurality of tubes are inserted;
The side plate is marked between the holes corresponding to the plurality of tubes to be connected, corresponding to the type of connecting member that connects the plurality of tubes ,
As the connection member, a non-T-shaped bulge three-way pipe is used,
The air conditioning apparatus is provided with markings indicating an attachment direction of the connection member on the side plate . 前記チューブはヘアピン管であり、
前記チューブと前記接続部材とは一体的に形成されている
請求項１記載の空気調和装置。 The tube is a hairpin tube;
The air conditioner according to claim 1, wherein the tube and the connection member are integrally formed. 前記接続部材として、Ｕ字状のＵベンド管が用いられている
請求項１又は２記載の空気調和装置。 The air conditioning apparatus according to claim 1, wherein a U-shaped U-bend pipe is used as the connection member. 前記接続部材として、Ｔ字状の三方ベンド管が用いられている
請求項１〜３のいずれか１項に記載の空気調和装置。 The air conditioning apparatus according to any one of claims 1 to 3, wherein a T-shaped three-way bend pipe is used as the connection member. 前記側板には、刻印治具によってマーキングが施されている
請求項１〜４のいずれか１項に記載の空気調和装置。 The air conditioner according to any one of claims 1 to 4 , wherein the side plate is marked with a marking jig. 前記側板には、筆記具によってマーキングが施されている
請求項１〜５のいずれか１項に記載の空気調和装置。 It said side plates, an air conditioning apparatus according to any one of claims 1 to 5, the marking is applied by writing instrument. 前記側板には、シールによってマーキングが施されている
請求項１〜６のいずれか１項に記載の空気調和装置。 It said side plates, an air conditioning apparatus according to any one of claims 1 to 6, marked by the seal is applied. 圧縮機、第１の熱交換器、膨張部及び第２の熱交換器が配管により接続され、冷媒が流通する冷媒回路を備え、
前記第１の熱交換器は、
放熱フィンと、
前記放熱フィンに挿入され、前記冷媒が内部に流通する複数のチューブと、
前記チューブの端部に設けられた側板と、
を有する空気調和装置の製造方法において、
前記側板に、複数の前記チューブが挿入される複数の穴を形成する工程と、
前記側板において、接続対象となる複数の前記チューブに対応する前記穴の間に、当該複数の前記チューブを接続する接続部材の種類に対応したマーキングを施す工程と、を備え、
前記接続部材として、非Ｔ字状のバルジ三方管が用いられており、
前記側板には、前記接続部材の取り付け向きを示すマーキングが施されている
空気調和装置の製造方法。 A compressor, a first heat exchanger, an expansion section, and a second heat exchanger are connected by a pipe, and include a refrigerant circuit through which a refrigerant flows;
The first heat exchanger is
Radiating fins,
A plurality of tubes inserted into the heat dissipating fins and through which the refrigerant flows;
A side plate provided at an end of the tube;
In the manufacturing method of the air conditioning apparatus having
Forming a plurality of holes into which the plurality of tubes are inserted in the side plate;
In the side plate, between the holes corresponding to the plurality of tubes to be connected, a step of marking corresponding to the type of connecting member that connects the plurality of tubes , and
As the connection member, a non-T-shaped bulge three-way pipe is used,
The manufacturing method of the air conditioning apparatus by which the marking which shows the attachment direction of the said connection member is given to the said side plate .
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