CN205207376U - High strength bolt connection structure - Google Patents
High strength bolt connection structure Download PDFInfo
- Publication number
- CN205207376U CN205207376U CN201521034887.2U CN201521034887U CN205207376U CN 205207376 U CN205207376 U CN 205207376U CN 201521034887 U CN201521034887 U CN 201521034887U CN 205207376 U CN205207376 U CN 205207376U
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- bolt
- hole
- main part
- bolt body
- clamp
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Abstract
The utility model relates to a high strength bolt connection structure, be used for being connected attach fitting and buffer, all be equipped with the through -hole on attach fitting and the buffer, high strength bolt connection structure includes positioning bolt, the clamp, bush and bolt main part, the bush is installed in the through -hole position of attach fitting, the bolt main part is hollow structure, one end is equipped with the boss, the other end be equipped with with a plurality of through -holes of main part axis vertically, bush and buffer are passed to the bolt main part, be equipped with the through -hole on the clamp, the clamp embolias the through hole end of bolt main part, positioning bolt passes the through -hole in through -hole and the bolt main part on the clamp, be used for making clamp and bolt main part fixed connection. The utility model discloses a bolt main part for the one end boss in the main part tighten up the part, the clamp is locked for the other end, then carries out axial fixity through positioning bolt with clamp and bolt main part to the bolt main part adopts hollow structure, can show to land to alleviate the weight of bolt on realizing connect function's basis.
Description
Technical field
The utility model relates to a kind of fastener constructions, particularly relates to a kind of high-strength bolt linkage structure.
Background technique
Bolt is conventional a kind of fastening piece, in the middle of articulated manner, conventional bolt connects two parts especially, but when two parts needing to connect are larger, required Bolt sizes also must corresponding increase, will cause that bolt total quality increases the weight of, fatigue life reduces.
The buffer of such as aircraft and the connection of undercarriage, because airplane buffer two ends adopt bearing, must be bolted on undercarriage.For baby plane, its take-off weight is little, and life requirements is not high yet, adopts the solid bolt of general structure steel to meet usage requirement.But for large aircraft, be that carrying is large to the requirement of undercarriage, the life-span is long, if also adopt the mode that solid screw bolt and nut connects, although structure is simple, because bolt arrangement size is large, have that weight is excessive, screw thread place poor fatigue properties, manufacture and a problem such as maintenance cost is high.
Model utility content
The purpose of this utility model is to provide a kind of high-strength bolt linkage structure, solves the problem that current aircraft rocking arm makes the connecting bolt weight of buffer and undercarriage leg excessive.
For achieving the above object, the technical solution adopted in the utility model is: a kind of high-strength bolt linkage structure, for being connected with buffer by jointing, jointing and buffer is equipped with through hole, described high-strength bolt linkage structure comprises holding down bolt, clip, lining and bolt body
Described lining is installed on the through hole position of described jointing;
Described bolt body is hollow-core construction, and one end is provided with boss, and the other end is provided with the multiple through holes with bolt body axes normal, and described bolt body is through lining and buffer;
Described clip is provided with through hole, and clip is inserted in one end being provided with through hole of bolt body;
Described holding down bolt, through the through hole on clip and the through hole in bolt body, is fixedly connected with bolt body for making clip.
Further, the quantity of the through hole in described bolt body is 2.
Further, the internal surface of described bolt body and outer surface are smooth surface.
Further, described bolt body adopts high strength alloy steel making.
A kind of high-strength bolt linkage structure of the present utility model, parts tighten up by the boss in the main body of bolt body one end, the other end locked clip device, then by holding down bolt, clip and bolt body are carried out axial restraint, and bolt body adopts hollow-core construction, and the basis realizing linkage function can alleviate the weight of bolt significantly.
Accompanying drawing explanation
Accompanying drawing to be herein merged in specification and to form the part of this specification, shows and meets embodiment of the present utility model, and is used from specification one and explains principle of the present utility model.
Fig. 1 is the connection diagram of a kind of high-strength bolt linkage structure according to the utility model one embodiment.
Wherein, 1 is jointing, and 2 is buffers, and 3 is holding down bolts, and 4 is clips, and 5 is linings, and 6 is bolt body.
Embodiment
The object implemented for making the utility model, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technological scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary type below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creation type work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
Be illustrated in figure 1 a kind of high-strength bolt linkage structure of the present utility model and be applied in airplane buffer and undercarriage joint, for jointing 1 is connected with buffer 2, jointing 1 and buffer 2 are equipped with through hole, high-strength bolt linkage structure comprises holding down bolt 3, clip 4, lining 5 and bolt body 6, lining 5 is installed on the through hole position of jointing 1, bolt body 6 is hollow-core construction, one end is provided with boss, the other end is provided with the multiple through holes with bolt body 6 axes normal, bolt body 6 is through lining 5 and buffer 2, clip 4 is provided with through hole, clip 4 is inserted in one end being provided with through hole of bolt body 6, holding down bolt 3 is through the through hole on clip 4 and the through hole in bolt body 6, be fixedly connected with bolt body 6 for making clip 4.
It is pointed out that the number of openings in bolt body 6 of the present utility model is 2.Concrete, the quantity of the through hole of bolt body 6 decides the quantity of holding down bolt 3, and holding down bolt 3 can increase and decrease according to requirements, and corresponding number of openings also needs to increase and decrease.
It is pointed out that the internal surface of bolt body 6 of the present utility model and outer surface are the yellow surface of light, smooth surface can make bolt body 6 reduce stress in use to concentrate and fatigue load, and then the working life of effective raising bolt.
It is pointed out that bolt body 6 of the present utility model adopts high strength alloy manufacture, the usage requirement of the large load in using process can be met.
A kind of high-strength bolt linkage structure of the present utility model, bolt body 6 adopts hollow-core construction, alleviates bolt deadweight; Bolt tail is provided with through hole, and through hole is worn holding down bolt 3 and carried out bolt body 6 axial limiting, and the axis significantly reducing bolt body 6 uses, and makes bolt body 6 only bear shearing load, improves the working life of bolt; Bolt body 6 adopts smooth outer surface to replace screw thread, eliminates the problem of screw thread position poor fatigue properties, substantially increases the life-span of bolt body 6; Holding down bolt 3 size is little, carries out tightening of bolt body 6, greatly reduce maintenance cost without the need to special special large spanner; When breaking down, only needing to change holding down bolt 3, without the need to linkage structure overall pulling down, greatly saving maintenance cost and maintenance period.
The above; be only optimum embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (4)
1. a high-strength bolt linkage structure, for jointing (1) is connected with buffer (2), jointing (1) and buffer (2) are equipped with through hole, it is characterized in that, described high-strength bolt linkage structure comprises holding down bolt (3), clip (4), lining (5) and bolt body (6)
Described lining (5) is installed on the through hole position of described jointing (1);
Described bolt body (6) is hollow-core construction, one end is provided with boss, the other end is provided with the multiple through holes with bolt body (6) axes normal, and described bolt body (6) is through lining (5) and buffer (2);
Described clip (4) is provided with through hole, and clip (4) is inserted in one end being provided with through hole of bolt body (6);
Described holding down bolt (3), through the through hole on the through hole on clip (4) and bolt body (6), is fixedly connected with bolt body (6) for making clip (4).
2. a kind of high-strength bolt linkage structure according to claim 1, is characterized in that, the quantity of the through hole in described bolt body (6) is 2.
3. a kind of high-strength bolt linkage structure according to claim 1, is characterized in that, internal surface and the outer surface of described bolt body (6) are smooth surface.
4. a kind of high-strength bolt linkage structure according to claim 1, is characterized in that, described bolt body (6) adopts high strength alloy steel making.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521034887.2U CN205207376U (en) | 2015-12-11 | 2015-12-11 | High strength bolt connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521034887.2U CN205207376U (en) | 2015-12-11 | 2015-12-11 | High strength bolt connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207376U true CN205207376U (en) | 2016-05-04 |
Family
ID=55845096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521034887.2U Active CN205207376U (en) | 2015-12-11 | 2015-12-11 | High strength bolt connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151226A (en) * | 2016-08-27 | 2016-11-23 | 江苏东奇标准件有限公司 | A kind of clamp nut |
-
2015
- 2015-12-11 CN CN201521034887.2U patent/CN205207376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151226A (en) * | 2016-08-27 | 2016-11-23 | 江苏东奇标准件有限公司 | A kind of clamp nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |