CN207191476U - A kind of complicated surface passes and cuts fastening assembly - Google Patents
A kind of complicated surface passes and cuts fastening assembly Download PDFInfo
- Publication number
- CN207191476U CN207191476U CN201721068524.XU CN201721068524U CN207191476U CN 207191476 U CN207191476 U CN 207191476U CN 201721068524 U CN201721068524 U CN 201721068524U CN 207191476 U CN207191476 U CN 207191476U
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- Prior art keywords
- nail
- ailhead
- axle
- cuts
- fastening assembly
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Abstract
Passed the utility model discloses a kind of complicated surface and cut fastening assembly, belong to aircraft anchor design field.Including:The moon nail and sun nail;The cloudy nail is made up of the first ailhead and the first nail axle, and the sun nail is made up of the second ailhead and the second nail axle;The diameter of first ailhead and the second ailhead is just as the diameter of axle of the first nail axle and the second nail axle is identical;The first nail axle is provided with the mounting hole coordinated with second ailhead, and the sun nail is installed from shape face side and inserts and be locked in the cloudy nail of opposite side, realizes that both are co-axially mounted;The shape face and the first ailhead and the second ailhead Pei He Huo nests, after installation, first ailhead and the second ailhead are consistent with the aerodynamic configuration in shape face.It is efficient that utility model puies forward its structure type, simple to operate;While realizing local posting, fastener position aerodynamic configuration quality is improved, is improved pneumatically and Stealth.
Description
Technical field
The utility model belongs to aircraft anchor design technical field, and in particular to a kind of complicated surface passes and cuts fastening group
Part.
Background technology
The advanced opportunity of combat requirement of a new generation possesses high motor-driven, high stealthy performance, in order to lift aircraft Stealth Fighter index
Seek the non-bulging aerodynamic configuration of various fasteners.And because profile needs, locally there is operating space limitation.
At present in airplane design, realize and connect for such position generally use conventional rivet, bolt connection or pumping nail.
But the class formation shape face is complicated, operating difficulties, and often protrudes aerodynamic surface or local pit occur, destroy aircraft and show
Air-flow, influence pneumatic efficiency and Stealth.Operating space is limited, easily causes secondary disaster.
Utility model content
The purpose of this utility model:In order to solve the above problems, pass and cut tightly the utility model proposes a kind of complicated surface
Gu component, using the technical scheme for setting cloudy nail to be combined with sun nail, both diameters are identical, can once-through operation in fastener hole processed
Complete, it follows closely the transmission that axle realizes shearing;Make its local shape consistent with profile, ensure local pneumatic type quality.Structure shape
Formula is efficient, simple to operate.
The technical solution of the utility model:A kind of complicated surface passes and cuts fastening assembly, including:The moon nail and sun nail;
The cloudy nail is made up of the first ailhead and the first nail axle, and the sun nail is made up of the second ailhead and the second nail axle;
The diameter of first ailhead and the second ailhead is just as the diameter of axle of the first nail axle and the second nail axle is identical;
The first nail axle is provided with the mounting hole coordinated with second ailhead, and the cloudy nail is installed simultaneously from shape face side
Insert and be locked in the sun nail of opposite side, realize that both are co-axially mounted;
The shape face and the first ailhead and the second ailhead Pei He Huo nests, after installation, first ailhead and the second ailhead with
The aerodynamic configuration in shape face is consistent.
Preferably, the second nail axle is provided with stepped peace rotating shaft, and the end set of the stepped installation axle is limited
Position device;
The stopping means is provided with circular arc mounting surface.
Preferably, the first nail axle is provided with the shaft shoulder for coordinating installation with the stepped installation axle;
The shaft shoulder side is provided with square cavity, and the square cavity coordinates with the stopping means;
The square cavity forms horizontal limitation face with the shaft shoulder contact portion;
The shaft shoulder opposite side is provided with arc-shaped transitional surface, and the circular arc of the arc-shaped transitional surface and the stopping means is pacified
Dress face coordinates.
Preferably, the stopping means is made up of symmetrical two block and the spring being arranged between two blocks,
During compressive state, two block is embedded in the end of the stepped peace rotating shaft, and pacifies rotating shaft with step type
The external surface of end is concordant;
During retracted position, two block is limited in square cavity, and is abutted with the horizontal limitation face.
Preferably, the end set of the stepped installation axle has compressible ball;
Ball of the compressible ball by spring and positioned at spring both sides forms.
Preferably, the first ailhead and the second ailhead are the termination that can polish.
The advantageous effects of technical solutions of the utility model:The utility model provides a kind of complicated surface biography and cuts fastening group
Part, its structure type is efficient, simple to operate;While realizing local posting, fastener position aerodynamic configuration quality is improved, is improved
Pneumatically and Stealth.
Brief description of the drawings
Fig. 1 is the scheme of installation that the utility model complicated surface passes the preferred embodiment for cutting fastening assembly;
Fig. 2 is the cloudy pin structure schematic diagram of embodiment illustrated in fig. 1;
Fig. 3 is the positive pin structure schematic diagram of embodiment illustrated in fig. 1;
Wherein, the cloudy nails of 1-, 2- sun nails, 3- stopping means, the ailheads of 11- first, the nail axles of 12- first, the 13- shaft shoulders, 14- are square
Cavity, 15- arc-shaped transitional surfaces, the ailheads of 21- second, 22- second follow closely axle.
Embodiment
To make the purpose, technical scheme and advantage that the utility model is implemented clearer, below in conjunction with the utility model
Accompanying drawing in embodiment, the technical scheme in the embodiment of the utility model is further described in more detail.In the accompanying drawings, from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Described reality
It is the utility model part of the embodiment to apply example, rather than whole embodiments.Below with reference to the embodiment of accompanying drawing description
It is exemplary, it is intended to for explaining the utility model, and it is not intended that to limitation of the present utility model.It is new based on this practicality
Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belong to the scope of the utility model protection.Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The limitation of novel protected scope.
As shown in Figure 1 to Figure 3:A kind of complicated surface passes and cuts fastening assembly, including:The moon nail 1 and sun nail 2;
The moon nail 1 is made up of the first ailhead 11 and the first nail axle 12, and the first nail axle 12 is hollow structure, is provided with and sun nail 2
The mounting hole of cooperation, it follows closely the transmission that wall realizes partial cut load.
Sun nail 2 is made up of the second ailhead 21 and the second nail axle 22, and sun nail 2 has positioning and guide effect, ensures 1 He of cloudy nail
Can be coaxial during sun 2 connection of nail.
First ailhead 11 is identical with the end diameter of the second ailhead 21, and the first nail axle 12 and second follows closely the diameter of axle phase of axle 22
Together, can once-through operation completion punch operation in the prefabricated fastener hole in shape face.
Sun nail 2 is installed from shape face side and inserts and be locked in the cloudy nail 1 of opposite side, realizes that both are co-axially mounted, its
The moon nail 1 and sun nail 2 realize the transmission of shearing.
In the present embodiment, the first ailhead 11 and the second ailhead 21 are the termination that can polish, and clamping installation is installed for fastener.
Before installation, shape face and the first ailhead 11 and the Pei He Huo nests of the second ailhead 21, after installation, polish the first ailhead 11 and the
The end of two ailheads 21, make construction profile consistent with the aerodynamic configuration in shape face, improve pneumatically and Stealth.
In the present embodiment, the second nail axle 22 is provided with stepped peace rotating shaft, the end set limited location of stepped installation axle
Device 3, stopping means 3 are provided with circular arc mounting surface, can reduce frictional force when its surface passes through the shaft shoulder 13, be easily installed.
In the present embodiment, the first nail axle 12 is provided with the shaft shoulder 13 for coordinating installation with stepped installation axle;
The side of the shaft shoulder 13 towards the first ailhead 11 is provided with square cavity 14, and square cavity 14 coordinates with stopping means 3,
After stopping means 3 is passed through the shaft shoulder, in square cavity 14.
Square cavity 14 forms horizontal limitation face with the contact portion of the shaft shoulder 13, and setting level limitation face is used to improve spacing dress
The contact area of 3 and the shaft shoulder 13 is put, strengthens frictional force between the two, for preventing stopping means 3 in the presence of external force, from
Come off in the mounting hole of the moon nail.
It is appreciated that:Square cavity 14 is a preferred scheme, can also select rectangular enclosure etc., as long as meeting cavity
Horizontal limitation face is formed with the contact portion of the shaft shoulder 13.
Side of the shaft shoulder 13 away from the first ailhead 11 is provided with arc-shaped transitional surface 15, arc-shaped transitional surface 15 and stopping means 3
Circular arc mounting surface coordinate, both contact forms are a point-contact, reduce both contacts area well, reduce both
Between frictional resistance.
In the present embodiment, stopping means 3 is made up of symmetrical two block and the spring being arranged between two blocks,
During compressive state, two blocks are embedded in the end of stepped peace rotating shaft, and outer with the end of stepped peace rotating shaft
Shape face is concordant;
During retracted position (after stopping means 3 follows closely 1 shaft shoulder 13 through the moon), two blocks are limited in square cavity 14, and with
Horizontal limitation face is abutted, and the spacing area of stopping means 3 and the shaft shoulder 13 can be improved using such a scheme, locking performance more may be used
Lean on.
It is appreciated that:Ball of the stopping means 3 by spring and positioned at spring both sides forms;
During compressive state, two balls are embedded in the end of stepped peace rotating shaft, and outer with the end of stepped peace rotating shaft
Shape face is concordant;
During retracted position, two balls are limited in square cavity 14, and are abutted with horizontal limitation face.
The utility model provides a kind of complicated surface biography and cuts fastening assembly, and its structure type is efficient, simple to operate.Realization office
While portion's posting, fastener position aerodynamic configuration quality is improved, is improved pneumatically and Stealth.The diameter fastener, length
And termination form is available parameter, can develop into standard component, selected according to structure limitation.It is easy for installation, have very
Good engineering adaptability.
It is last it is to be noted that:Above example is only to illustrate the technical solution of the utility model, rather than it is limited
System.Although the utility model is described in detail with reference to the foregoing embodiments, one of ordinary skill in the art should manage
Solution:It can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model
The spirit and scope of technical scheme.
Claims (6)
1. a kind of complicated surface passes and cuts fastening assembly, it is characterised in that including:The moon nail (1) and sun nail (2);
The cloudy nail (1) be made up of the first ailhead (11) and the first nail axle (12), and positive follow closely (2) are by the second ailhead (21) and the
Two nail axle (22) compositions;
The diameter of first ailhead (11) and the second ailhead (21) is just as the first nail axle (12) and the second nail axle (22)
The diameter of axle is identical;
The first nail axle (12) is provided with the mounting hole coordinated with second ailhead, and the sun nail (2) is pacified from shape face side
Fill and insert and be locked in the cloudy nail (1) of opposite side, realize that both are co-axially mounted;
The shape face and the first ailhead (11) and the second ailhead (21) Pei He Huo nests, after installation, first ailhead (11) and the
Two ailheads (21) are consistent with the aerodynamic configuration in shape face.
2. complicated surface according to claim 1 passes and cuts fastening assembly, it is characterised in that:The second nail axle (22) is set
There are stepped peace rotating shaft, the end set limited location device (3) of the stepped installation axle;
The stopping means (3) is provided with circular arc mounting surface.
3. complicated surface according to claim 2 passes and cuts fastening assembly, it is characterised in that:The first nail axle (12) is set
There is the shaft shoulder (13) for coordinating installation with the stepped installation axle;
The shaft shoulder (13) side is provided with square cavity (14), and the square cavity coordinates with the stopping means (3);
The square cavity forms horizontal limitation face with the shaft shoulder (13) contact portion;
The shaft shoulder (13) opposite side is provided with arc-shaped transitional surface (15), the arc-shaped transitional surface (15) and the stopping means
(3) circular arc mounting surface coordinates.
4. complicated surface as claimed in claim 3 passes and cuts fastening assembly, it is characterised in that:The stopping means (3) is by left and right
Symmetrical two block and the spring composition being arranged between two blocks,
During compressive state, two block is embedded in the end of the stepped peace rotating shaft, and pacifies the end of rotating shaft with step type
External surface it is concordant;
During retracted position, two block is limited in square cavity (14), and is abutted with the horizontal limitation face.
5. complicated surface as claimed in claim 2 passes and cuts fastening assembly, it is characterised in that:The stopping means is by spring and position
Ball in spring both sides forms.
6. complicated surface as claimed in claim 1 passes and cuts fastening assembly, it is characterised in that:First ailhead (11) and the second ailhead
(21) it is the termination that can polish.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721068524.XU CN207191476U (en) | 2017-08-24 | 2017-08-24 | A kind of complicated surface passes and cuts fastening assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721068524.XU CN207191476U (en) | 2017-08-24 | 2017-08-24 | A kind of complicated surface passes and cuts fastening assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207191476U true CN207191476U (en) | 2018-04-06 |
Family
ID=61795224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721068524.XU Active CN207191476U (en) | 2017-08-24 | 2017-08-24 | A kind of complicated surface passes and cuts fastening assembly |
Country Status (1)
Country | Link |
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CN (1) | CN207191476U (en) |
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2017
- 2017-08-24 CN CN201721068524.XU patent/CN207191476U/en active Active
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