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CN111981002A - Connecting structure - Google Patents

Connecting structure Download PDF

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Publication number
CN111981002A
CN111981002A CN202010817250.XA CN202010817250A CN111981002A CN 111981002 A CN111981002 A CN 111981002A CN 202010817250 A CN202010817250 A CN 202010817250A CN 111981002 A CN111981002 A CN 111981002A
Authority
CN
China
Prior art keywords
protrusion
edge
positioning
connection structure
present application
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010817250.XA
Other languages
Chinese (zh)
Inventor
张瑞
胡宗浩
崔灿
吴斌
王向明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang Aircraft Design and Research Institute Aviation Industry of China AVIC
Original Assignee
Shenyang Aircraft Design and Research Institute Aviation Industry of China AVIC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenyang Aircraft Design and Research Institute Aviation Industry of China AVIC filed Critical Shenyang Aircraft Design and Research Institute Aviation Industry of China AVIC
Priority to CN202010817250.XA priority Critical patent/CN111981002A/en
Publication of CN111981002A publication Critical patent/CN111981002A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004Joining sheets, plates or panels in abutting relationship
    • F16B5/0008Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edge
    • F16B5/002Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edge both sheets, plates or panels having a groove, e.g. with strip-type connector
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004Joining sheets, plates or panels in abutting relationship
    • F16B5/0008Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edge
    • F16B5/0024Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edge the sheets, plates or panels having holes, e.g. for dowel- type connections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/10Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of bayonet connections

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

The application belongs to the technical field of photocuring 3D prints a connection design, concretely relates to connection structure, include: the first connected part is provided with a first connected edge, the thickness of the first connected edge is gradually increased, so that the surface of the first connected edge is gradually protruded outwards to form a first connected protrusion; the end surface of the first connected bulge is provided with an inserting groove; the second connected part is provided with a second connected edge, the thickness of the second connected edge is gradually increased, so that the surface of the second connected edge is gradually protruded outwards to form a second connected protrusion; the end surface of the second connected bulge is provided with an inserting bulge; the inserting projection is inserted into the inserting groove; the surface of the first connected protrusion smoothly transitions with the surface of the second connected protrusion.

Description

Connecting structure
Technical Field
The application belongs to the technical field of photocuring 3D printing piece connection design, and particularly relates to a connection structure.
Background
The photocuring 3D printing technology belongs to the technical field of additive manufacturing processes, is a 3D printing technology for molding by utilizing the curing performance of liquid photosensitive resin when meeting light irradiation with specific wavelength, has the advantages of low cost, high efficiency, high precision and the like, and is widely applied to the field of industrial manufacturing.
The equipment cost of the photo-curing 3D printing forming part is directly related to the size of the forming part, the equipment cost is exponentially increased along with the increase of the size of the part, and in order to reduce the corresponding cost, when the part with larger size is manufactured, a plurality of parts with smaller size are formed by the photo-curing 3D printing technology, and then the parts with smaller size are spliced to form the part with larger size.
In the technical field of pneumatic and stealth design, smooth transition of part surfaces is required, and when a plurality of parts with smaller sizes are formed by a photocuring 3D printing technology and spliced to form a part with larger size, the smooth transition is realized by the following two ways:
1) the connecting parts of the small parts with different sizes are provided with the glue joint surfaces which are connected in a glue joint mode, the glue joint surfaces are required to be used after being solidified, the assembling efficiency is low, the ageing is easy, the dismounting and the mounting are difficult, the connecting strength among the small parts with different sizes is often insufficient, and great potential safety hazards exist;
2) the connecting structure is integrally formed at the connecting part of each small size part, the connecting structure is connected through bolts, and then corresponding cladding is carried out, so that smooth transition of the surface of each small size part is realized, the concrete structure of the connecting structure is shown in figure 1, and the connecting mode is convenient for installing bolts, a large enough inner space needs to be designed, and the protruding surface is large.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present patent application.
Disclosure of Invention
It is an object of the present application to provide a connection arrangement to overcome or mitigate at least one of the technical disadvantages of the known prior art.
The technical scheme of the application is as follows:
a connecting structure comprising:
the first connected part is provided with a first connected edge, the thickness of the first connected edge is gradually increased, so that the surface of the first connected edge is gradually protruded outwards to form a first connected protrusion; the end surface of the first connected bulge is provided with an inserting groove;
the second connected part is provided with a second connected edge, the thickness of the second connected edge is gradually increased, so that the surface of the second connected edge is gradually protruded outwards to form a second connected protrusion; the end surface of the second connected bulge is provided with an inserting bulge; the inserting projection is inserted into the inserting groove; the surface of the first connected protrusion smoothly transitions with the surface of the second connected protrusion.
According to at least one embodiment of the present application, in the above-described connecting structure, a surface of the first to-be-connected protrusion has a first pin hole;
the first inserting projection is provided with a second pin hole;
the connection structure further includes:
and the inserting pin is sunk into the first pin hole and inserted into the second pin hole.
According to at least one embodiment of the present application, in the above-mentioned connection structure, the insertion groove has a positioning protrusion thereon;
the inserting projection is provided with a positioning notch; the positioning protrusion is clamped into the positioning notch.
According to at least one embodiment of the present application, in the above-described connection structure, the positioning projection is wedge-shaped or tapered.
Drawings
FIG. 1 is a schematic view of a prior art connection structure;
FIG. 2 is a schematic diagram of a connection structure provided by an embodiment of the present application;
FIG. 3 is a partial schematic view of a connection structure provided by an embodiment of the present application;
wherein:
1-a first connected component; 2-a second connected component; 3-inserting and protruding; 4-a plug pin;
5-positioning the projection.
For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The use of the terms "comprising" or "including" and the like in the description of the present application is intended to indicate that the element or item preceding the term covers the element or item listed after the term and its equivalents, without excluding other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application is described in further detail below with reference to fig. 1 to 3.
A connecting structure comprising:
a first connected part 1 having a first connected edge, the thickness of which is gradually increased near the first connected edge, so that the surface near the first connected edge is gradually protruded outwards to form a first connected protrusion; the end surface of the first connected bulge is provided with an inserting groove;
a second connected part 2 having a second connected edge, the thickness of which is gradually increased near the second connected edge, so that the surface near the second connected edge is gradually protruded outwards to form a second connected protrusion; the end surface of the second connected bulge is provided with an inserting bulge 3; the inserting projection 3 is inserted into the inserting groove; the surface of the first connected protrusion smoothly transitions with the surface of the second connected protrusion.
With regard to the connection structure disclosed in the above embodiments, it can be understood by those skilled in the art that the connection structure can be applied to the connection of two small parts formed by the photo-curing 3D printing technology, and the thickness of the first connected piece 1 near the first connected edge is designed to gradually increase to form a first connected protrusion, so as to provide a plug-in groove on the first connected edge, that is, to provide a plug-in groove on the end surface of the first connected protrusion; and design first by connecting piece 2 and be close to the second by the thickness of connection edge increase gradually, it is protruding to form the second by the connection, so that set up grafting protrusion 3 on the second by the connection edge, set up grafting protrusion 3 at the second by the bellied terminal surface of connection promptly, but grafting protrusion 3 integrated into one piece is on the second is by the bellied terminal surface of connection, realize first by connecting piece 1 through the mode that grafting protrusion 3 inserted the inserting groove, the second is by the connection between connecting piece 2, high convenience and fastness, the dismouting of being convenient for, required space is less.
For the connection structure disclosed in the above embodiment, it can be further understood by those skilled in the art that the connection between the first connected member 1 and the second connected member 2 is substantially the butt joint of the first connected protrusion and the second connected protrusion, and the first connected protrusion and the second connected protrusion have relatively thick thicknesses, so that the connection rigidity between the first connected member 1 and the second connected member 2 can be effectively ensured, and the smooth transition of the surfaces of the first connected protrusion and the second connected protrusion is designed, so that the pneumatic and stealth performance of the surfaces of the first connected member 1 and the second connected member 2 can be effectively ensured not to be damaged.
In some alternative embodiments, in the above-described connecting structure, a surface of the first protrusion to be connected has a first pin hole;
the first inserting projection 3 is provided with a second pin hole;
the connection structure further includes:
the inserting pin 4 sinks into the first pin hole and is inserted into the second pin hole, namely the inserting pin penetrates through the first pin hole and the second pin hole to fix the first connected piece 1 and the second connected piece 2.
In some alternative embodiments, the connection structure has a plurality of plug pins 4 and corresponding first and second pin holes.
In some alternative embodiments, in the above-mentioned connection structure, the insertion groove has a positioning protrusion 5;
the inserting projection 3 is provided with a positioning gap; the positioning protrusion is clamped into the positioning notch.
With regard to the connection structure disclosed in the above embodiments, it can be understood by those skilled in the art that the positioning protrusion 5 can be integrally formed on the first connected component 1, and inserted into the positioning groove on the insertion protrusion 3 during the insertion process of the insertion protrusion 3, so as to position the first connected component 1 and the second connected component 2, and align the first pin hole with the corresponding second pin hole, thereby facilitating the insertion of the connection pin 4.
In some alternative embodiments, in the above-mentioned connection structure, the positioning protrusion 5 is wedge-shaped or cone-shaped, and the top of the positioning protrusion may also have a guide block, and the positioning groove is adapted to the shape of the positioning protrusion, so that the positioning protrusion 3 can be smoothly inserted into the positioning groove during the insertion into the insertion groove, thereby positioning the first connected component 1 and the second connected component 2.
In some alternative embodiments, the connecting structure may have a plurality of positioning protrusions 5 and positioning grooves corresponding to the positioning protrusions.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.

Claims (5)

1. A connecting structure, characterized by comprising:
a first connected part (1) which is provided with a first connected edge, the thickness of the first connected edge is gradually increased, the surface of the first connected edge is gradually protruded outwards to form a first connected protrusion; the end surface of the first connected bulge is provided with an inserting groove;
a second connected part (2) having a second connected edge, the thickness of which is gradually increased near the second connected edge, so that the surface near the second connected edge is gradually protruded outwards to form a second connected protrusion; the end surface of the second connected protrusion is provided with an inserting protrusion (3); the inserting projection (3) is inserted into the inserting groove; the surface of the first connected protrusion smoothly transitions with the surface of the second connected protrusion.
2. The connection structure according to claim 1,
the surface of the first connected bulge is provided with a first pin hole;
the first inserting projection (3) is provided with a second pin hole;
the connection structure further includes:
and the inserting pin (4) sinks into the first pin hole and is inserted into the second pin hole.
3. The connection structure according to claim 1,
the inserting groove is provided with a positioning projection (5);
the inserting projection (3) is provided with a positioning notch; the positioning protrusion is clamped into the positioning notch.
4. The connection structure according to claim 3,
the positioning protrusion (5) is conical.
5. The connection structure according to claim 3,
the positioning protrusion (5) is wedge-shaped.
CN202010817250.XA 2020-08-14 2020-08-14 Connecting structure Pending CN111981002A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010817250.XA CN111981002A (en) 2020-08-14 2020-08-14 Connecting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010817250.XA CN111981002A (en) 2020-08-14 2020-08-14 Connecting structure

Publications (1)

Publication Number Publication Date
CN111981002A true CN111981002A (en) 2020-11-24

Family

ID=73435192

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010817250.XA Pending CN111981002A (en) 2020-08-14 2020-08-14 Connecting structure

Country Status (1)

Country Link
CN (1) CN111981002A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150354616A1 (en) * 2014-06-06 2015-12-10 Rolls-Royce Plc Casing assembly
CN105909659A (en) * 2015-02-20 2016-08-31 空中客车营运有限公司 Two Part Cap
DE102015222297A1 (en) * 2015-11-12 2017-05-18 Zf Friedrichshafen Ag Method for producing a vehicle component
CN106931009A (en) * 2017-04-12 2017-07-07 四川长虹电器股份有限公司 The package assembly of the product based on 3D printing
CN107023541A (en) * 2017-04-12 2017-08-08 四川长虹电器股份有限公司 The package assembly of product based on 3D printing
CN111322293A (en) * 2018-12-14 2020-06-23 株式会社斯巴鲁 Joint structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150354616A1 (en) * 2014-06-06 2015-12-10 Rolls-Royce Plc Casing assembly
CN105909659A (en) * 2015-02-20 2016-08-31 空中客车营运有限公司 Two Part Cap
DE102015222297A1 (en) * 2015-11-12 2017-05-18 Zf Friedrichshafen Ag Method for producing a vehicle component
CN106931009A (en) * 2017-04-12 2017-07-07 四川长虹电器股份有限公司 The package assembly of the product based on 3D printing
CN107023541A (en) * 2017-04-12 2017-08-08 四川长虹电器股份有限公司 The package assembly of product based on 3D printing
CN111322293A (en) * 2018-12-14 2020-06-23 株式会社斯巴鲁 Joint structure

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Application publication date: 20201124

RJ01 Rejection of invention patent application after publication