CN101596667A - A kind of on composite the method and the structure of embedding nut - Google Patents
A kind of on composite the method and the structure of embedding nut Download PDFInfo
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- CN101596667A CN101596667A CNA200910301779XA CN200910301779A CN101596667A CN 101596667 A CN101596667 A CN 101596667A CN A200910301779X A CNA200910301779X A CN A200910301779XA CN 200910301779 A CN200910301779 A CN 200910301779A CN 101596667 A CN101596667 A CN 101596667A
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- nut
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- blind hole
- packing material
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Abstract
The invention discloses a kind of on composite the method and the structure of embedding nut, the present invention opens a blind hole on composite, with packing material nut is embedded in the blind hole then.The method of embedding nut is connected with other parts on the matrix that composite is made because the present invention adopts.Used packing material is the adhesive that pouring polyurethane rubber or epoxy resin class adhesive are made.The screw thread of used nut adopts self-locking thread, can prevent the loosening of hold-down screw; And be provided with the step that prevents the nut axial motion and prevent the otch that nut rotates at the nut cylindrical; The upper surface of nut is provided with installation sheet.The purpose that installation sheet is set is accurately to adjust the position of nut for convenience, is provided with tapping hole and release handle that the cast packing material is used on installation sheet.The employing said method can satisfy the reliable connection of new materials such as composite, avoids causing the great mechanical accident of aircraft.
Description
Technical field:
The present invention relates to a kind of on composite the method and the structure of embedding nut, belong to the technical field that on soft composite material, is threaded.
Background technology:
In order to alleviate the weight of airborne vehicles such as aircraft, various new materials arise at the historic moment, composite is exactly wherein a kind of, but the connection of composite is difficulty comparatively, because its material is softer, can not directly attack the system screw thread thereon, if the mode by prior art is directly attacked the system screw thread on composite, its screw strength often can not satisfy the requirement of use, causes it to connect and loses efficacy, and might cause great quality accident.Therefore, the existing mode that is threaded on composite still is not ideal enough.
Summary of the invention:
The objective of the invention is to, provide a kind of on composite the method and the structure of embedding nut, to satisfy reliably being threaded of new materials such as composite, avoid causing the great mechanical accident of aircraft.
The present invention be achieved in that of the present invention a kind of on composite the method for embedding nut be that this method is to open a blind hole on composite, with packing material nut is inlayed then to be fixed in the blind hole.
Above-mentioned on composite in the method for embedding nut, described composite is to be made of panel and base plate, is provided with honeycomb interlayer between panel and base plate.
Aforesaid on composite in the method for embedding nut, described blind hole is to open the hole of a diameter greater than the nut maximum outside diameter on the panel of composite, then the honeycomb interlayer between composite material face and the base plate is emptied the blind hole of formation.
Aforesaid on composite in the method for embedding nut, the screw thread of described nut is a self-locking thread; The nut cylindrical is provided with the step that prevents the nut axial motion and prevents the otch that nut rotates; The upper surface of nut is pasted with installation sheet.
Aforesaid on composite in the method for embedding nut, the described packing material of described packing material is the adhesive that casting type polyurethane rubber or epoxyn are made.
A kind of on composite the structure of embedding nut, comprise the matrix made from composite, matrix is provided with blind hole, is provided with in the blind hole with the fixing nut of packing material.
Above-mentioned on composite in the structure of embedding nut, described matrix is to be made of panel and base plate, is provided with honeycomb interlayer between panel and base plate.
Aforesaid on composite in the structure of embedding nut, the screw thread of described nut is a self-locking thread; The nut cylindrical is provided with the step that prevents the nut axial motion and prevents the otch that nut rotates; The upper surface of nut is provided with installation sheet.
Aforesaid on composite in the structure of embedding nut, described installation sheet is provided with tapping hole and the release handle that the cast packing material is used.
Owing to adopted technique scheme, the present invention adopts the nut of inlaying on the matrix that composite is made to be connected with other parts, and used packing material is the adhesive that casting type polyurethane rubber or epoxyn are made.The screw thread of used nut adopts self-locking thread, can prevent the loosening of hold-down screw; And be provided with the step that prevents the nut axial motion and prevent the otch that nut rotates at the nut cylindrical; The upper surface of nut is provided with installation sheet.The purpose that installation sheet is set is accurately to adjust the position of nut for convenience, is provided with tapping hole and release handle that the cast packing material is used on installation sheet.Compared with prior art, the present invention has the advantage that reliably is threaded that can satisfy new materials such as composite, thereby has avoided causing because of the failure that is threaded of composite the possibility of the great mechanical accident generation of aircraft.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of nut.
Being labeled as in the accompanying drawing: 1-packing material, 2-nut, 3-panel, 4-base plate, 5-honeycomb interlayer, 6-step, 7-otch, 8-installation sheet, 9-tapping hole, 10-release handle.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples, but not as the foundation of the present invention being done any restriction.
Embodiments of the invention: implementing of the present invention a kind ofly on composite during the method for embedding nut, as shown in Figure 1, this method is to open a blind hole on composite, with packing material nut is inlayed then to be fixed in the blind hole; Blind hole is to open the hole of a diameter greater than the nut maximum outside diameter on the panel of composite, then the honeycomb interlayer between composite material face and the base plate is emptied the blind hole of formation; Composite is to be made of panel and base plate, is provided with honeycomb interlayer between panel and base plate; The screw thread of nut is a self-locking thread; The nut cylindrical is provided with the step that prevents the nut axial motion and prevents the otch that nut rotates; The upper surface of nut is pasted with installation sheet; Described packing material is the adhesive that casting type polyurethane rubber or epoxyn are made.Gap between nut and the honeycomb interlayer selects for use suitable bonding to fill; Nut must carry out surface treatment, and surface-treated layer should have good adhesive strength with adhesive; Its selected adhesive should be compatible with the adhesive of honeycomb sandwich construction.
According to method of the present invention make a kind of on composite the structure of embedding nut, as shown in Figure 1, comprise the matrix made from composite, matrix is to be made of panel 3 and base plate 4, is provided with honeycomb interlayer 5 between panel 3 and base plate 4.Matrix is provided with blind hole, and blind hole is to open the hole of a diameter greater than the nut maximum outside diameter on the panel of composite, then the honeycomb interlayer between composite material face and the base plate is emptied the blind hole of formation.Be provided with the nut of fixing with packing material 12 in the blind hole.The screw thread of nut 2 is a self-locking thread; Nut 2 cylindricals are provided with the step 6 that prevents the nut axial motion and prevent the otch 7 that nut rotates; The upper surface of nut 2 is provided with installation sheet 8.Installation sheet 8 is provided with tapping hole 9 and the release handle 10 that the cast packing material is used.
Installation step of the present invention:
Because when cellular board or composite in use connect, be not easy to directly thread mill drilling on its plate, embedding nut is imbedded in the member in advance, its member can be connected firm, reliably, the screw fastening of embedding nut makes bolt can produce self-locking, plays good locking effect.This series products is mainly used in airborne vehicles such as aircraft.
Claims (9)
1. the method for an embedding nut on composite, it is characterized in that: this method is to open a blind hole on composite, with packing material nut is inlayed then to be fixed in the blind hole.
2. according to claim 1 on composite the method for embedding nut, it is characterized in that: described composite is to be made of panel and base plate, is provided with honeycomb interlayer between panel and base plate.
3. according to claim 2 on composite the method for embedding nut, it is characterized in that: described blind hole is to open the hole of a diameter greater than the nut maximum outside diameter on the panel of composite, then the honeycomb interlayer between composite material face and the base plate is emptied the blind hole of formation.
4. according to claim 1 on composite the method for embedding nut, it is characterized in that: the screw thread of described nut is a self-locking thread; The nut cylindrical is provided with the step that prevents the nut axial motion and prevents the otch that nut rotates; The upper surface of nut is pasted with installation sheet.
5. according to claim 1 on composite the method for embedding nut, it is characterized in that: described packing material is the adhesive that casting type polyurethane rubber or epoxyn are made.
6. the structure of an embedding nut on composite, it is characterized in that: comprise the matrix made from composite, matrix is provided with blind hole, is provided with in the blind hole with the fixing nut (2) of packing material (1).
7. according to claim 6 on composite the structure of embedding nut, it is characterized in that: described matrix is to be made of panel (3) and base plate (4), is provided with honeycomb interlayer (5) between panel (3) and base plate (4).
8. according to claim 6 on composite the structure of embedding nut, it is characterized in that: the screw thread of described nut (2) is a self-locking thread; Nut (2) cylindrical is provided with the step (6) that prevents the nut axial motion and prevents the otch (7) that nut rotates; The upper surface of nut (2) is provided with installation sheet (8).
9. according to claim 6 on composite the structure of embedding nut, it is characterized in that: described installation sheet (8) is provided with tapping hole (9) and the release handle (10) that the cast packing material is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910301779XA CN101596667A (en) | 2009-04-23 | 2009-04-23 | A kind of on composite the method and the structure of embedding nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910301779XA CN101596667A (en) | 2009-04-23 | 2009-04-23 | A kind of on composite the method and the structure of embedding nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101596667A true CN101596667A (en) | 2009-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200910301779XA Pending CN101596667A (en) | 2009-04-23 | 2009-04-23 | A kind of on composite the method and the structure of embedding nut |
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| CN (1) | CN101596667A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105881888A (en) * | 2016-04-07 | 2016-08-24 | 山东英特力新材料有限公司 | Method for mounting equipment on composite material sandwich panel |
| CN107538758A (en) * | 2017-09-08 | 2018-01-05 | 陕西飞机工业（集团）有限公司 | A kind of composite material connection method |
| CN107755727A (en) * | 2016-08-23 | 2018-03-06 | 哈尔滨飞机工业集团有限责任公司 | A kind of processing method of helicopter filling block insert drilling |
| CN107775720A (en) * | 2016-08-25 | 2018-03-09 | 成都飞机工业（集团）有限责任公司 | A kind of method that fastener is installed in sandwich |
| CN111958185A (en) * | 2020-08-17 | 2020-11-20 | 北京卫星制造厂有限公司 | Preparation method of high-volume-fraction aluminum-based silicon carbide composite material small-hole thread |
-
2009
- 2009-04-23 CN CNA200910301779XA patent/CN101596667A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105881888A (en) * | 2016-04-07 | 2016-08-24 | 山东英特力新材料有限公司 | Method for mounting equipment on composite material sandwich panel |
| CN107755727A (en) * | 2016-08-23 | 2018-03-06 | 哈尔滨飞机工业集团有限责任公司 | A kind of processing method of helicopter filling block insert drilling |
| CN107755727B (en) * | 2016-08-23 | 2019-07-09 | 哈尔滨飞机工业集团有限责任公司 | A kind of processing method of helicopter filling block insert drilling |
| CN107775720A (en) * | 2016-08-25 | 2018-03-09 | 成都飞机工业（集团）有限责任公司 | A kind of method that fastener is installed in sandwich |
| CN107538758A (en) * | 2017-09-08 | 2018-01-05 | 陕西飞机工业（集团）有限公司 | A kind of composite material connection method |
| CN111958185A (en) * | 2020-08-17 | 2020-11-20 | 北京卫星制造厂有限公司 | Preparation method of high-volume-fraction aluminum-based silicon carbide composite material small-hole thread |
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Application publication date: 20091209 |