CN105382986A - 部件接合结构和部件接合方法 - Google Patents

部件接合结构和部件接合方法 Download PDF

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Publication number
CN105382986A
CN105382986A CN201510516401.7A CN201510516401A CN105382986A CN 105382986 A CN105382986 A CN 105382986A CN 201510516401 A CN201510516401 A CN 201510516401A CN 105382986 A CN105382986 A CN 105382986A
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China
Prior art keywords
component
junction surface
joint
resin material
fiber
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Granted
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CN201510516401.7A
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CN105382986B (zh
Inventor
岩野吉宏
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Toyota Motor Corp
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Toyota Motor Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0078—Measures or configurations for obtaining anchoring effects in the contact areas between layers
    • B29C37/0082—Mechanical anchoring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/60—Riveting or staking
    • B29C65/606—Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking
    • B29C65/608—Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking the integral rivets being pushed in blind holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/70—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
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    • B29C66/128—Stepped joint cross-sections
    • B29C66/1284—Stepped joint cross-sections comprising at least one butt joint-segment
    • B29C66/12841—Stepped joint cross-sections comprising at least one butt joint-segment comprising at least two butt joint-segments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/303—Particular design of joint configurations the joint involving an anchoring effect
    • B29C66/3032—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined
    • B29C66/30321—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined making use of protrusions belonging to at least one of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
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    • B29C66/05—Particular design of joint configurations
    • B29C66/303—Particular design of joint configurations the joint involving an anchoring effect
    • B29C66/3032—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined
    • B29C66/30325—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined making use of cavities belonging to at least one of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
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    • B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
    • B29C66/72143—Fibres of discontinuous lengths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/08—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of welds or the like
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    • B29C43/32—Component parts, details or accessories; Auxiliary operations
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Abstract

本发明涉及部件接合结构和部件接合方法。部件接合结构具有：第一部件，其设置有用于将部件接合在一起的接合部；第二部件，其由纤维朝向多个方向的树脂材料形成；和被接合部，其使用树脂材料一体地形成于第二部件，其与接合部紧密接触并且接合于接合部，并且其中，纤维朝向多个方向。

Description

部件接合结构和部件接合方法
技术领域
本发明涉及一种部件接合结构和一种部件接合方法。
背景技术
在日本专利申请公开(JP-A)No.2013-212603中公开了部件制造技术。在该部件制造技术中，将碳纤维强化树脂板叠置在金属板上，并且通过压制加工将金属板与碳纤维强化树脂板一体地成型在一起。
在以上部件制造技术中，仅通过使用压制加工结合而将金属板与碳纤维强化树脂板一体化在一起，并且从两个部件之间的接合强度的角度来看存在改善的余地。
发明内容
考虑到以上情况，本发明的目的是得到一种部件接合结构和一种部件接合方法，该部件接合结构和部件接合方法能够提高包括由设置有纤维的树脂形成的部件的部件之间的接合强度。
根据本发明的第一方面的部件接合结构包括：第一部件，其设置有用于将部件接合在一起的接合部；第二部件，其由其中纤维朝向多个方向的树脂材料形成；和被接合部，其使用树脂材料一体地形成于所述第二部件，其与所述接合部紧密接触并且接合于所述接合部，并且其中，所述纤维朝向多个方向。
在根据第一方面的部件接合结构中，第一部件设置有用于将部件接合在一起的接合部。第二部件由纤维朝向多个方向的树脂材料形成，并且被接合部使用树脂材料一体地形成于第二部件。第一部件与第二部件通过与接合部紧密接触并且接合于接合部的被接合部而接合在一起。
第二部件中的纤维朝向多个方向，并且被接合部中的纤维朝向多个方向。因此，在被接合部的强度中仅存在小的各向异性，使得能够提高被接合部的强度。
根据第一方面的部件接合结构展示了下面的良好效果：使得能够提高第一部件与由设置有纤维的树脂形成的第二部件之间的接合强度。
根据本发明的第二方面的部件接合结构是根据第一方面的部件接合结构，其中，所述接合部是所述第一部件的一部分上的凸状，并且构成有在朝着所述接合部的周边的方向上伸出的凸状末端部，并且所述被接合部是所述第二部件的一部分上的凹状，能够容纳所述接合部，并且构成有在朝着所述被接合部的周边的方向上比凹状开口部伸出的凹状底部。
在根据第二方面的部件接合结构中，接合部的凸状末端部在朝着周边的方向上伸出的部位用作锚部，并且被接合部的突状凹部在朝着周边的方向上伸出的部位用作锚定部，使得能够将被接合部锚定于接合部。
根据本发明的第三方面的部件接合结构是根据第一方面的部件接合结构，其中，所述接合部是所述第一部件上的一部分上的凹状，并且构成有在朝着所述接合部的周边的方向上比凹状开口部伸出的凹状底部，并且所述被接合部是所述第二部件上的一部分上的凸状，能够被容纳在所述接合部中，并且构成有在朝着所述被接合部的周边的方向上伸出的凸状末端部。
在根据第三方面的部件接合结构中，接合部的凹状底部在朝着周边的方向上伸出的部位用作锚部，并且被接合部的凸状末端部在朝着周边的方向上伸出的部位用作锚定部，使得能够将被接合部锚定于接合部。
根据第二方面或第三方面的部件接合结构展示了下面的良好效果：使得能够有效地防止第二部件从第一部件被拔出。
根据本发明的第四方面的部件接合结构是根据第一方面的部件接合结构，其中，在所述被接合部中，所述纤维的密度均匀。
在根据第四方面的部件接合结构中，在被接合部中，纤维的密度均匀，使得能够减小被接合部中的强度变化。从而，使得能够提高被接合部的强度。
根据第四方面的部件接合结构展示了下面的良好效果：使得能够提高第一部件与第二部件之间的接合强度的质量。
根据本发明的第五方面的部件接合方法包括：通过将由纤维朝向多个方向的树脂材料形成的第二部件压制成型到第一部件的用于部件接合的接合部上或接合部内，而将所述第一部件与所述第二部件接合在一起，并且使用所述第二部件以形成与所述接合部紧密接触并且接合于所述接合部的被接合部。
在根据第五方面的部件接合方法中，将第二部件压制成型到第一部件的用于部件接合的接合部上或接合部内。由于压制成型，第二部件形成有与接合部紧密接触并且接合于接合部的被接合部，并且接合第一部件与第二部件。
第二部件由纤维朝向多个方向的树脂材料形成。当压制成型树脂材料时，树脂材料在压制方向上并且在压制方向的周边方向上均匀地流动。纤维随着树脂材料的流动一起均匀地流动。从而，使得能够由纤维朝向多个方向的树脂材料形成被接合部。而且，树脂材料的流动均匀，从而使得能够由纤维的密度均匀的树脂材料形成被接合部。
根据第五方面的部件接合方法展示了下面的良好效果：使得第二部件和被接合部的纤维能够朝向多个方向，并且使得第二部件和被接合部中的纤维的密度均匀。
根据本发明的第六方面的部件接合方法是根据第五方面的部件接合方法，其中，所述接合部是所述第一部件上的一部分上的凸状，并且形成有在朝着所述接合部的周边的方向上伸出的凸状末端部，并且通过压制成型树脂材料而形成所述被接合部，使得所述被接合部插置在多个树脂材料部之间。
在根据第六方面的部件接合方法中，通过压制成型树脂材料而形成被接合部，使得被接合部插置在多个树脂材料部之间，使得被接合部由沿着凸状末端部和接合部的凸状轮廓形状均匀地流动的树脂材料形成。设置在树脂材料中的纤维也随着树脂材料的流动而一起流动。从而，使得能够由包括朝向多个方向的纤维并且纤维的密度均匀的树脂材料形成被接合部。而且，能够形成被接合部，使得树脂材料和纤维能够完全地绕着接合部的轮廓形状流动。
根据本发明的第七方面的部件接合方法是根据第五方面的部件接合方法，其中，所述接合部是所述第一部件的一部分上的凹状，并且形成有在朝着所述接合部的周边的方向上比凹状开口部伸出的凹状底部，并且通过压制成型而形成所述被接合部，使得所述树脂材料流到所述接合部内并且填塞到所述接合部内。
在根据第七方面的部件接合方法中，通过将树脂材料压制成型到接合部内而形成被接合部，并且因此，被接合部由沿着接合部的凹状的轮廓形状并沿着凹状底部均匀地流动的树脂材料形成。设置在树脂材料中的纤维也随着树脂材料的流动而一起流动。从而，使得被接合部能够由纤维朝向多个方向并且纤维的密度均匀的树脂材料形成。而且，形成树脂材料，其中，树脂材料和纤维能够完全地绕着接合部的轮廓形状流动。
根据第六方面或第七方面的部件接合方法展示了下面的良好效果：使被接合部的纤维朝向多个方向并且具有均匀的纤维密度，并且使得被接合部的树脂材料和纤维能够完全地绕着接合部的轮廓形状流动。
附图说明
将基于以下附图详细描述本发明的示例性实施例，其中：
图1是从车室内侧观看的应用于车辆前侧门的根据第一示例性实施例的部件接合结构侧视图；
图2是从车辆上方观看的图1所示的部件接合结构的截面图(沿着图1中的线A-A截取的截面图)；
图3是说明根据第一示例性实施例的部件接合方法的第一步骤步骤截面图；
图4是第二步骤步骤截面图；
图5是说明根据比较例的部件接合方法的步骤截面图；
图6是应用了根据第二示例性实施例的部件接合结构的前侧门的对应于图1的侧视图；
图7是从车辆下方观看的图6所示的部件接合结构的截面图(图6中的区域C、区域D或区域E的截面图)；
图8是说明根据第二二示例性实施例的部件接合方法的第一步骤截面图；以及
图9是第二步骤截面图。
具体实施方式
第一示例性实施例
下面将参考图1至图5说明根据本发明的第一示例性实施例的部件接合结构和部件接合方法。在图中，适当地，箭头“前”表示应用了该示例性实施例的汽车的车辆前方向，并且箭头“内”表示其车辆宽度方向内侧。箭头“上”表示车辆上方向。部件接合结构和部件接合方法应用于诸如汽车的车体的方向不限于该示例性实施例中的形态。
侧门结构
如图1所示，应用了根据该示例性实施例的部件接合结构30的四门(或两门)汽车的前侧门10包括门主体12和设置在门主体12的上部处的门框14。前侧门10构成车体侧部。
门主体12包括外门面板20和比外门面板20更向车辆宽度方向内侧设置的内门面板22。在图中未示出的车窗调节器等容纳在外门面板20与内门面板22之间的门主体12内部，用于升降车门玻璃16。形成窗开口18，窗开口18的周边由门主体12的上缘12A(门带成型)并且由门框14的内周缘14A围绕。窗开口18能够通过下降或上升车门玻璃16而打开或关闭。开口28A和开口28B分别设置在内门面板22的车辆前方侧处的顶部和底部处，并且开口28C和开口28D分别设置在内门面板22的车辆后方侧的顶部和底部处。
部件接合结构
在该示例性实施例中，如图1所示，利用刚好沿着线B-B的边界将门主体12的内门面板22分为设置在车辆前方侧处的第一部件24和设置在车辆后方侧处的第二部件26。第一部件24与第二部件26接合在一起，并且将根据该示例性实施例的部件接合结构30应用于该接合。
如图1和图2所示，第一部件24包括矩形板状的部件主体24A，其长边方向沿着车辆上下方向，并且其短边方向沿着车辆前后方向。利用在图中未示出的装接于第一部件24用以相对于前立柱(A柱)打开和关闭前侧门10的铰链等构成构造。第一部件24由诸如钢这样的金属材料、诸如铝这样的轻金属材料或其合金材料形成。
在第一部件24中，部件主体24A的车辆后方侧的端部是部件接合在一起的位置，并且用于将第二部件26接合到部件主体24A的端部的接合部24B设置在该位置处。接合部24B构造成从部件主体24A的端部朝着车辆后方侧突出的凸状，并且接合部24B的凸状末端部24C在朝着接合部24B的周边的方向(车辆宽度方向)上伸出。接合部24B构成有在朝着其周边的方向上伸出的凸状末端部24C，从而在平面图中构成T状。虽然在车辆侧视图中未示出，但是接合部24B沿着车辆上下方向延伸。多个接合部24B可以沿着车辆上下方向以固定间隔形成。
第二部件26包括沿着车辆前后方向和车辆上下方向延伸的矩形板状的部件主体26A。在第二部件26中，部件主体26A的车辆前方侧处的端部是将部件接合在一起的位置，并且与第一部件24的接合部24B紧密接触并且接合于接合部24B的被接合部26B设置于部件主体26A的端部。被接合部26B构造成从部件主体26A的端部朝着车辆后方侧的中空(hollow)的凹状，并且能够容纳中空接合部24B，并且被接合部26B的凹状底部26C构造成在朝着被接合部26B的周边的方向(车辆宽度方向)上伸出。即，与接合部24B相似，被接合部26B在平面图中构成T状。第二部件26通过接合于接合部24B的被接合部26B而接合于第一部件24。
第二部件26的部件主体26A由其中纤维26F朝向多个方向并且纤维26F的密度均匀的树脂材料26R形成。被接合部26B的整体由包括朝向多个方向的纤维26F并且纤维26F的密度均匀的树脂材料26R形成。纤维26F的多个方向朝向是指不存在纤维26F的单一方向的朝向，而是在三维中的多个方向的朝向，使得在纤维26F的朝向中不存在特殊方向性。纤维26F的均匀密度表示即使设置在树脂材料26R中的每单位体积的纤维26F的含量有一些变化，在任意位置处的纤维26F的含量的变化也在10％的范围内。只要纤维26F的含量的变化在20％的范围内，则能够将密度视为均匀的范畴。
设置有纤维26F的树脂材料26R统称为复合部件。作为更加详细的说明，复合部件采用热塑性树脂材料作为树脂材料26R，并且是将碳纤维(CF)设置为热塑性树脂材料内的纤维26F的碳纤维强化塑料(CFRP)。例如，碳纤维强化塑料具有高的强度，并且比金属材料轻，并且十分适合作为内门面板22的材料。还能够采用碳纤维强化塑料作为车室内的设计面(装饰面)。在该示例性实施例中，碳纤维采用具有10mm以下长度的短纤维，并且优选地，采用具有5mm以下长度的短纤维。
更具体地，作为热塑性树脂材料，能够采用聚丙烯树脂、聚酰氨树脂(例如标识码PA6、PA66、PA610和PA10T)、芳香族聚酰胺树脂、半芳香聚酰胺树脂、聚苯硫醚(PPS)树脂、聚对苯二甲酸乙二醇酯(PET)树脂、聚对苯二甲酸丁二醇酯(PBT)树脂、聚碳酸酯(PC)树脂、丙烯酸树脂(PMMA)、ABS树脂、或热塑性环氧树脂中的任意树脂。由于纤维26F设置在热塑性树脂材料中，所以除了碳纤维之外，还能够采用玻璃纤维(GF)、聚芳基酰胺纤维、玄武岩纤维、竹纤维、诸如钢纤维这样的金属纤维、纤维素纤维、或聚丙烯纤维(自强化型)中的任意纤维。
除了热塑性树脂材料之外，还能够采用热固性树脂材料作为树脂材料26R。能够采用环氧树脂、聚氨酯树脂、乙烯基酯树脂、不饱和聚酯树脂和酚醛树脂中的任意树脂材料作为热固性树脂材料。还能够采用与设置在热固性树脂材料中的纤维26F相同的纤维作为设置在热塑性树脂材料中的纤维。
部件接合方法
下面将描述根据该示例性实施例的部件接合方法。首先，如图3所示，形成第一部件24和板状的半部件主体26D、26E的多个板(在这种情况下是两个板)。如上所述，第一部件24包括部件主体24A的一部分上的接合部24B。在这种情况下，半部件主体26D、26E均具有第二部件26的厚度的一半的厚度，并且由包括朝向多个方向的纤维26F并且纤维26F的密度均匀的树脂材料26R形成。这里，采用碳纤维强化塑料作为第二部件26，并且包括了从20％体积到40％体积的碳纤维作为用作树脂材料26R的热塑性树脂材料中的纤维26F。更具体地，通过将板状树脂材料的几个到几十个板在改变纤维26F的彼此的朝向的情况下互相叠置，碳纤维强化塑料由纤维26F朝向一个方向的、具有0.1mm至0.2mm的厚度的板状树脂材料形成。
然后进行预热，并且通过预热使半部件主体26D、26E软化。预热的加热温度是300℃，并且预热时间是5分钟。在根据该示例性实施例的部件接合方法中，对整个半部件主体26D、26E进行预热，然而，可以对半部件主体26D、26E的将要成为接合部位的部分进行预热。
然后，将第一部件24的接合部24B夹在软化的半部件主体26D、26E之间，并且在该状态下，将第一部件24和半部件主体26D、26E安置在压制模具32的第一压制模具(上模具)32A与第二压制模具(下模具)32B(参见图4)之间。通过采用在图中未示出的压制加工机利用压制模具32在厚度方向(压制方向)上将压制力P施加于半部件主体26D、26E。从而，如图4所示，将半部件主体26D、26E压制成型于第一部件24的接合部24B，从而沿着接合部24B的轮廓形状，并且要与接合部24B进行紧密接触。该压制成型通常被称为板冲压成型。压制模具32的压制成型条件(板冲压成型的压制条件)是：150℃的加热温度，9800kN的压制力P和2分钟的模具保持时间。
半部件主体26D和半部件主体26E结合到的部件主体26A通过压制成型而形成，并且部件主体26A的树脂材料26R沿着第一部件24的接合部24B的轮廓形状均匀地流动。被接合部26B通过成型部件主体26A而一体地形成于部件主体26A。从而形成接合于第一部件24的第二部件26，从而完成部件接合结构30。
该示例性实施例的操作和有益效果
如图2所示，在根据该示例性实施例的部件接合结构30中，接合部24B设置在第一部件24的部件接合部位处。第二部件26由其中纤维26F被定向的树脂材料26R形成，并且被接合部26B一体地形成于第二部件26。第一部件24和第二部件26通过被接合部26B而接合在一起，被接合部26B与接合部24B进行紧密接触并且接合于接合部24B。
图5图示出树脂成型过程的截面以说明根据比较例的部件接合方法。在树脂传递成型(RTM)或注入成型方法中，将第一部件24安置在成型模具36的上模具36A与下模具36B之间，并且将树脂材料34R注入到由上模具36A、下模具36B和第一部件24形成的腔体内，从而成型第二部件34。比较例的第一部件24的构造与该示例性实施例中的第一部件24的构造相同。第一部件24包括部件主体24A和设置于部件主体24A的接合部24B。凸状末端部24C也设置于接合部24B。然而，比较例的第二部件34包括由设置有纤维34F的树脂材料34R形成的部件主体34A，并且接合于接合部24B的被接合部34B设置于部件主体34A。被接合部34B具有凹状，并且凹状底部34C构造成在朝着被接合部34B的周边的方向比凹状开口伸出更远。
在根据比较例的部件接合方法中，注入口36C设置在上模具36A中。设置有纤维34F的可流动的树脂材料34R通过注入口36C注入到腔体内，并且在注入之后，树脂材料34R凝固，从而形成第二部件34，该第二部件包括接合于第一部件24的接合部24B的被接合部34B。在被注入到腔体内之后，树脂材料34R直接沿着腔体内的轮廓形状流动，因此纤维34F也随着树脂材料34R的流动而一起流动，使得纤维34F变为沿着树脂材料34R的流动方向的定向。从而，在第二部件34中，纤维34F在部件主体34A和被接合部34B中具有固定朝向，从而在部件主体34A和被接合部34B的强度中产生各向异性。强度的各向异性是强度在一个方向上强、并且强度在另一个方向上弱的性质。
与根据比较例的部件接合结构相反地，在根据该示例性实施例的部件接合结构30中，如图2所示，第二部件26的部件主体26A的纤维26F朝向多个方向，并且被接合部26B的纤维26F也朝向多个方向。因此，在被接合部26B的强度中仅存在小的各向异性，使得能够提高被接合部26B的强度。从而，根据该示例性实施例的部件接合结构30使得能够提高第一部件24与由设置有纤维26F的树脂形成的第二部件26之间的接合强度。
而且，在根据该示例性实施例的部件接合结构30中，如图2所示，第一部件24的凸状末端部24C在朝着周边的方向上伸出的部位用作锚部，并且第二部件26的凹状底部26C在朝着周边的方向上伸出的部位用作锚定部(anchoredportions)，使得能够将被接合部26B锚定于接合部24B。从而，使得能够有效地防止第二部件26从第一部件24被拔出。
在根据该示例性实施例的部件接合结构30中，如图2所示，在被接合部26B中存在均匀密度的纤维26F，使得能够减小被接合部26B的强度变化。更具体地，在树脂材料26R中的每单位体积设置的纤维26F的含量中仅存在小的变化，并且因此不存在强度的局部弱化。从而使得能够提高被接合部26B的强度，使得提高第一部件24与第二部件26之间的接合强度的质量。
在根据该示例性实施例的部件接合方法中，如图3和图4所示，将第二部件26压制成型在第一部件24的用于部件接合的接合部24B上。通过使第二部件26形成有与接合部24B进行紧密接触、并且通过压制成型而接合于接合部24B的被接合部26B而将第一部件24与第二部件26接合在一起。
第二部件26由其中纤维26F朝向多个方向的树脂材料26R形成。当压制成型树脂材料26R时，树脂材料26R在压制方向上并且在压制方向的周边方向上均匀地流动。在图4所示的压制成型(板冲压成型)方法中采用了压制模具32的第一压制模具32A和第二压制模具32B，并且因此树脂材料26R被压制并且在上下方向上均匀地流动，并且由压制模具32引导从而在水平方向上均匀地流动。纤维26F随着树脂材料26R的流动一起均匀地流动。从而，使得能够由其中纤维26F朝向多个方向的树脂材料26R形成被接合部26B。树脂材料26R的流动是均匀的，从而使得能够由其中纤维26F的密度均匀的树脂材料26R形成被接合部26B。在由该部件接合方法形成的树脂材料26R中，纤维26F朝向多个方向，并且纤维26F的密度均匀，从而使得能够进一步提高被接合部26B的强度。
在根据该示例性实施例的部件接合方法中，如图3和图4所示，将夹持接合部24B的多片树脂材料26R(半部件主体26D、26E)压制成型以形成被接合部26B。被接合部26B由沿着接合部24B的凸部和凸状末端部24C的轮廓形状均匀地流动的树脂材料26R形成。设置在树脂材料26R中的纤维26F随着树脂材料26R的流动一起流动。从而，使得被接合部26B能够由纤维26F朝向多个方向并且纤维26F的密度均匀的树脂材料26R形成。
而且，在被接合部26B中，树脂材料26R和纤维26F能够完全地绕着接合部24B的轮廓形状流动。更具体地，树脂材料26R和纤维26F能够完全地流到凹状并且包括在朝着被接合部26B的周边的方向上伸出的凹状底部26C的被接合部26B的角部内。例如，在图5所示的树脂注入成型方法中，树脂材料34R在固定方向上流动，并且易于在凸状末端部24C的周边处形成空隙(气孔)，并且导致在被接合部34B中形成缺陷部位的可能性。与之相反，在根据该示例性实施例的部件接合方法中，有效地抑制了产生空隙，使得能够将被接合部26B形成为期望的形状。从而，使得能够进一步提高被接合部26B的强度。
第二示例性实施例
下面将参考图6至图9说明根据本发明的第二示例性实施例的部件接合结构和部件接合方法。在该示例性实施例中，利用相同的参考标号表示与第一示例性实施例的构成元件相同或等同的构成元件，并且将省略其重复说明。
部件接合结构
图6所示的前侧门10的构造与以上的图1所示的前侧门10的构造大致相同。根据该示例性实施例的部件接合结构40在区域C的铰链装接部、区域D的插入成型部或区域E的门锁定部中的至少一个部位处应用于门主体12的内门面板22。
如图7所示，内门面板22分为第一部件44和设置在第一部件44的车辆前后方向处的两个第二部件46。第一部件44与第二部件46接合在一起，并且将根据该示例性实施例的部件接合结构40应用于其接合。
第一部件44的形状根据应用部位而不同，并且包括板状的部件主体44A。在部件主体44A的各个端部处，在车辆前方侧和车辆后方侧处，第一部件44设置有作为部件接合部位的接合部44B，以将第二部件46接合于部件主体44A的端部。设置在车辆前方侧处的接合部44B构造有从部件主体44A的端部朝着车辆后方侧中空的凹状，并且构成有在朝着周边的各个方向(车辆宽度方向)上比凹状开口部伸出更远的凹状底部44C。设置在车辆后方侧处的接合部44B形成为从部件主体44A的端部朝着车辆前方侧中空的凹状，并且构成有在朝着周边的各个方向(车辆宽度方向)上比凹状开口部伸出的凹状底部44C。虽然在车辆侧视图中未示出，但是接合部44B沿着车辆上下方向延伸。多个接合部44B可以以固定间隔沿着车辆上下方向设置。第一部件44由与第一示例性实施例中的第一部件24的材料相同的材料形成。
车辆前方侧和车辆后方侧处的第二部件46均包括板状的部件主体46A。车辆前方侧处的第二部件46设置有构成部件主体46A的车辆后方侧处的端部处的部件接合部位的被接合部46B，并且设置在与第一部件44的接合部44B紧密接触的部件主体46A的端部处，并且接合于接合部44B。被接合部46B具有从部件主体46A的端部朝着车辆后方侧突出的凸状，并且能够被容纳在接合部44B中，并且构成有在朝着接合部44B的周边的方向(车辆宽度方向)上伸出的凸状末端部46C。车辆后方侧处的第二部件46设置有构成部件主体46A的车辆前方侧的端部处的部件接合部位的被接合部46B，并且设置在与第一部件44的接合部44B紧密接触的部件主体46A的端部处，并且接合于接合部44B。被接合部46B具有从部件主体46A的端部朝着车辆前方侧突出的凸状，并且能够被容纳在接合部44B中，并且构成有在朝着接合部44B的周边的方向(车辆宽度方向)上伸出的凸状末端部46C。第二部件46与第一部件44通过接合于接合部44B的被接合部46B而接合在一起。
与第一示例性实施例的部件主体26A和被接合部26B相似地，第二部件46的部件主体46A和被接合部46B由其中纤维46F朝向多个方向并且纤维46F的密度均匀的树脂材料46R形成。树脂材料46R和纤维46F由与第一示例性实施例的树脂材料26R和纤维26F的材料相同的材料形成。
在根据该示例性实施例的部件接合结构40中，如图7所示，板状的第三部件48叠置在第一部件44和第二部件46(内门面板22)上。第三部件48设置在第一部件44的车辆宽度方向外侧的表面上，并且例如用作加强部件。第三部件48利用插置在第三部件48与第一部件44之间的接合部50接合于第一部件44。第三部件48由与第一部件44的材料相同的材料形成，或由使得能够在第三部件48与第一部件44之间形成接合部50的材料形成。接合部50通过点焊形成。
部件接合方法
下面将描述根据该示例性实施例的部件接合方法。首先，如图8所示，形成第一部件44和多个板状的第二部件46(在该实例中是两个板)。第一部件44包括分别形成在部件主体44A的两个端部处的接合部44B(和凹状底部44C)。第二部件46由纤维46F朝向多个方向并且纤维46F的密度均匀的树脂材料46R形成。
然后进行预热，并且预热且软化第二部件46。预热条件与根据第一示例性实施例的部件接合方法的预热条件相同。然后，将第一部件44和软化的第二部件46安置在压制模具52的第一压制模具(上模具)52A与第二压制模具(下模具)52B之间并且夹持(参见图9)。通过采用在图中未示出的压制加工机沿着第二部件46的面方向施加压制力P。从而，如图9所示，将第二部件46压制到第一部件44的接合部44B上，并且第二部件46的树脂材料46R的一部分沿着接合部44B的轮廓形状流动并且填充接合部44B的轮廓形状，成型且形成被接合部46B。换句话说，被接合部46B通过将树脂材料46R填塞到接合部44B内而形成。树脂材料46R由于压制成型而均匀地流动，并且所以设置在树脂材料46R中的纤维46F也均匀地流动。因此，由纤维46F朝向多个方向并且纤维46F的密度均匀的树脂材料46R形成被接合部46B。压制成型条件与根据第一示例性实施例的部件接合方法的压制成型条件相同。从而，第二部件46接合于第一部件44，完成部件接合结构40。
该示例性实施例的操作和有益效果
在根据该示例性实施例的部件接合结构40中，与根据第一示例性实施例的部件接合结构30相似地，如图7所示，第二部件46的被接合部46B的纤维46F朝向多个方向，使得能够提高被接合部46B的强度。从而，部件接合结构40使得能够提高第一部件44与第二部件46之间的接合强度。
而且，在根据该示例性实施例的部件接合结构40中，如图7所示，第一部件44的凹状底部44C是在朝着周边的方向上伸出并且用作锚部的部位，并且第二部件46的凸状末端部46C是在朝着周边的方向上伸出并且用作锚定部的部位。从而，被接合部46B锚定于接合部44B，使得能够有效地防止第二部件46从第一部件44被拔出。
而且，在根据该示例性实施例的部件接合结构40中，第二部件46的被接合部46B中的纤维46F的密度均匀，使得能够减小被接合部46B中的强度变化。从而，使得能够提高被接合部46B的强度，使得能够提高第一部件44与第二部件46之间的接合强度的质量。
在根据该示例性实施例的部件接合方法中，如图8和图9所示，将第二部件46压制成型在第一部件44的用于部件接合的接合部44B上。被接合部46B与接合部44B紧密接触地放置，并且通过压制成型而接合于接合部44B，从而形成第二部件46，将第一部件44和第二部件46接合在一起。
第二部件46由纤维46F朝向多个方向的树脂材料46R形成。当压制成型树脂材料46R时，树脂材料46R在压制方向上并且在压制方向的周边方向上均匀地流动。在图9所示的压制成型中，采用压制模具52的第一压制模具52A和第二压制模具52B，使得树脂材料46R被压制并且在水平方向上流动，并且在上下方向上流动。设置在树脂材料46R中的纤维46F也随着树脂材料46R的流动而一起流动。从而，使得能够由纤维46F在多个方向上朝向并且纤维46F的密度均匀的树脂材料46R形成被接合部46B。
而且，在根据该示例性实施例的部件接合方法中，被接合部46B由压制成型(填塞)到接合部44B内的树脂材料46R形成，并且因此，被接合部46B由沿着接合部44B的凹状和凹状底部44C的轮廓形状均匀地流动的树脂材料46R形成。从而，使得能够由纤维46F在多个方向上朝向并且纤维46F的密度均匀的树脂材料46R形成被接合部46B。另外，被接合部46B中的树脂材料46R和纤维46F能够完全地绕着接合部44B的轮廓形状流动。
在根据该示例性实施例的部件接合结构40中，如图7所示，使用接合部50将第三部件48接合于第一部件44。例如，在第一部件44和第三部件48由相同材料形成的情况下，能够通过使用已知设备利用点焊来实现接合。更具体地，虽然通常要求特殊设备用于将不同类型的材料接合在一起，但是不要求这样的特殊设备。从而，使得能够通过使用已知设备实现将第三部件48简单地接合于第一部件44的部件接合结构40。
根据该示例性实施例的部件接合结构40由接合于单个第一部件44的两个第二部件46构成，然而，可以构造成使得两个第一部件44接合于单个第二部件46。还可以构造成使得单个第二部件46接合于单个第一部件44。
根据该示例性实施例的部件接合结构40还可以与根据第一示例性实施例的部件接合结构30组合。例如，根据第二示例性实施例的部件接合结构40的第三部件48可以接合于根据第一示例性实施例的部件接合结构30的第一部件24。
以上示例性实施例的补充说明
本发明不限于以上示例性实施例，并且可以在不背离本发明的精神的范围内作出各种修改。例如，虽然在以上示例性实施例中，第一部件由金属材料、轻金属材料或合金材料制成，但是在本发明中，可以采用由比第二部件硬的树脂材料或由设置有纤维的树脂材料形成的第一部件。而且，在本发明中，第一部件和第二部件不限于是板状，并且可以是块状。
在以上示例性实施例中，在本发明中，将部件接合结构和部件接合方法应用于汽车的前侧门的部件，但是该部件接合结构和部件接合方法可以应用于汽车的后侧门、后门、发动机罩(hood)、行李架、车顶等的部件。
而且，本发明的部件接合结构和部件接合方法还可以应用于除了汽车之外的车辆的部件，并且可以应用于建筑物的部件。

Claims (7)

1.一种部件接合结构，包括：
第一部件，设置有用于将部件接合在一起的接合部；
第二部件，由树脂材料形成，在该树脂材料中纤维朝向多个方向；和
被接合部，使用树脂材料一体地形成于所述第二部件，与所述接合部紧密接触并且接合于所述接合部，并且其中所述纤维朝向多个方向。
2.根据权利要求1所述的部件接合结构，其中：
所述接合部是所述第一部件的一部分上的凸状，并且构成有在朝着所述接合部的周边的方向上伸出的凸状末端部，并且所述被接合部是所述第二部件的一部分上的、能够容纳所述接合部的凹状，并且构成有在朝着所述被接合部的周边的方向上比凹状开口部伸出的凹状底部。
3.根据权利要求1所述的部件接合结构，其中：
所述接合部是所述第一部件上的一部分上的凹状，并且构成有在朝着所述接合部的周边的方向上比凹状开口部伸出的凹状底部，并且
所述被接合部是所述第二部件上的一部分上的、能够被容纳在所述接合部的凸状，并且构成有在朝着所述被接合部的周边的方向上伸出的凸状末端部。
4.根据权利要求1所述的部件接合结构，其中：
在所述被接合部中，所述纤维的密度均匀。
5.一种部件接合方法，包括：
如下所述地将第一部件与第二部件接合在一起：
将由纤维朝向多个方向的树脂材料形成的所述第二部件压制成型到所述第一部件的用于部件接合的接合部上或接合部内，并且
使用所述第二部件以形成与所述接合部紧密接触并且接合于所述接合部的被接合部。
6.根据权利要求5所述的部件接合方法，其中：
所述接合部是所述第一部件上的一部分上的凸状，并且形成有在朝着所述接合部的周边的方向上伸出的凸状末端部，并且
通过压制成型树脂材料而形成所述被接合部，使得所述接合部插置在多个树脂材料部之间。
7.根据权利要求5所述的部件接合方法，其中：
所述接合部是所述第一部件的一部分上的凹状，并且形成有在朝着所述接合部的周边的方向上比凹状开口部伸出的凹状底部，并且
通过压制成型而形成所述被接合部，使得所述树脂材料流到所述接合部内并且填塞到所述接合部内。
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