CN105196246B - The flare type joint that the enlarging locking fixture and the frock of a kind of self-locking thread insert are used - Google Patents
The flare type joint that the enlarging locking fixture and the frock of a kind of self-locking thread insert are used Download PDFInfo
- Publication number
- CN105196246B CN105196246B CN201510630590.0A CN201510630590A CN105196246B CN 105196246 B CN105196246 B CN 105196246B CN 201510630590 A CN201510630590 A CN 201510630590A CN 105196246 B CN105196246 B CN 105196246B
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- CN
- China
- Prior art keywords
- enlarging
- blind rivet
- locking
- self
- thread insert
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
-
- 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The present invention relates to the flare type joint that the enlarging locking fixture and the frock of a kind of self-locking thread insert are used,A kind of enlarging locking fixture of self-locking thread insert includes flare type joint,The power set that enlarging blind rivet and driving enlarging blind rivet are moved left and right,Flared end includes the expansion valve of at least two circumferentially spaced settings,When enlarging blind rivet is moved from left to right,Enlarging blind rivet pushing tow is arranged at the forced section coordinated with enlarging blind rivet top pressure on expansion valve,Make expansion valve dilatating and deformable in radial directions,Expansion valve holds out against and extruding the enlarging endoporus of self-locking thread insert expands it,So that among the embedded engine crankcase matrix of outer knurled portion expansion of self-locking thread insert,Realize the self-locking fixation of the self-locking thread insert,Use the automation,The enlarging locking fixture of mechanization solves the problems, such as to cause to install in batches and operating efficiency is low by manually locking or using other instruments not matched lock in the prior art.
Description
Technical field
The present invention relates to the flare type joint that the enlarging locking fixture and the frock of a kind of self-locking thread insert are used.
Background technology
Due to the particularity of Aero-Space engine connection, need to process on engine crankcase many internal thread holes for
Miscellaneous part is fixedly connected, and general engine crankcase is aluminum alloy materials, when being often attached with steel component parts,
In the presence of axial force, it is easy to aluminum screw thread is abraded into crushing, causes Joint failure, therefore, can typically use and start
Swivel nut is screwed in machine casing and then is attached with other parts, but common swivel nut is because itself is without locking device, in hair
Under motivation vibration environment, swivel nut easily loose or dislocation, cause engine cannot normal work, at present, in the market has a kind of self-locking
Swivel nut as shown in Figure 1-2, is more and more applied on Aero-Space engine, including is arranged on swivel nut outer surface
Knurled portions, be arranged inside swivel nut enlarging endoporus, for being threadedly coupled with other parts with female thread structure and
For coordinating so that by the interior hexagonal structure on self-locking thread insert screw-in engine crankcase, spanner coordinates with interior hexagonal structure with spanner
Swivel nut is first installed on engine, expands enlarging internal diameter by external force so that the outer knurled portion of the self-locking thread insert is embedded in hair
Among motivation casing matrix, self-locking action is played, but do not have a kind of enlarging dedicated for the self-locking thread insert in market and lock
Tight frock, causes in high volume to be installed and operating efficiency is low.
The content of the invention
It is an object of the invention to provide a kind of automation, mechanization and convenient to use be exclusively used in the self-locking spiral shell
The enlarging locking fixture of set, while the present invention also aims to provide the flare type joint that a kind of enlarging locking fixture is used.
In order to solve the above technical problems, a kind of enlarging locking fixture of self-locking thread insert of the invention uses following technical side
Case：A kind of enlarging locking fixture of self-locking thread insert, including flare type joint, enlarging blind rivet and the driving that axis extends in left-right direction
The power set that enlarging blind rivet is moved left and right, the flare type joint includes the set shape body that axis extends in left-right direction, described
Set shape body include its right-hand member for the enlarging endoporus with self-locking thread insert when in use top pressure coordinate flared end, the enlarging
End include along its circumferentially spaced at least two be used to stretching to enlarging endoporus when in use and occur in radial directions
The expansion valve of dilatating and deformable, is provided with for being flared blind rivet top when enlarging blind rivet is moved from left to right on the inwall for expanding valve
Push away and make the forced section of expansion valve radial expanding deformation oil.
The forced section is the closing in of the confession enlarging blind rivet pushing tow that the diameter from left to right surrounded by expansion valve is tapered into
Structure.
The power set are pneumatic riveting gun, and the pneumatic riveting gun includes riveting gun body and the expansion being arranged on riveting gun body
Mouth blind rivet sleeve pipe, the enlarging blind rivet guiding movement is threaded onto in enlarging blind rivet sleeve pipe.
The flare type joint also includes for the connection end with enlarging blind rivet sleeve pipe connection, is provided with connection end and enlarging
The screwed hole of blind rivet casing threads connection.
A kind of flare type joint of the invention is adopted the following technical scheme that：A kind of flare type joint, including axis is in left-right direction
The set shape body of extension, the set shape body include its right-hand member for the enlarging endoporus with self-locking thread insert, top pressure is matched somebody with somebody when in use
The flared end of conjunction, the flared end include along its circumferentially spaced at least two be used for stretch to enlarging endoporus when in use
And in radial directions occur dilatating and deformable expansion valve, expand valve inwall on be provided with enlarging blind rivet from left to right
It is flared blind rivet pushing tow and makes the forced section of expansion valve radial expanding deformation oil when mobile.
The forced section is the closing in of the confession enlarging blind rivet pushing tow that the diameter from left to right surrounded by expansion valve is tapered into
Structure.
The flare type joint also includes for the connection end with enlarging blind rivet sleeve pipe connection, is provided with connection end and enlarging
The screwed hole of blind rivet casing threads connection.
Beneficial effects of the present invention are：A kind of enlarging locking fixture of self-locking thread insert include flare type joint, enlarging blind rivet and
The power set for driving enlarging blind rivet to move left and right, flared end includes the expansion valve of at least two circumferentially spaced settings, is expanding
When mouth blind rivet is moved from left to right, enlarging blind rivet pushing tow is arranged at the forced section on expansion valve, makes expansion valve in radial directions
Dilatating and deformable, expansion valve holds out against and extruding the enlarging endoporus of self-locking thread insert expands it so that the outer knurled portion of self-locking thread insert
Among the embedded engine crankcase matrix of expansion, the self-locking fixation of the self-locking thread insert is realized, use the automation, mechanization
Enlarging locking fixture is solved in the prior art by manually lock or carry out that locking causes using other instruments not matched can not
Batch is installed and the low problem of operating efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of self-locking thread insert；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is a kind of structural representation of one embodiment of the enlarging locking fixture of self-locking thread insert of the invention；
Fig. 4 is the structural representation of flare type joint；
Fig. 5 is the right view of Fig. 4；
Fig. 6 is a kind of assembling schematic diagram of the enlarging locking fixture with self-locking thread insert of self-locking thread insert of the invention；
Fig. 7 is the partial enlarged drawing at the A of Fig. 7.
Specific embodiment
A kind of enlarging locking fixture of self-locking thread insert 16 as shown in fig. 3 to 7, including the enlarging that axis extends in left-right direction
The power set that joint 9, enlarging blind rivet 6 and driving enlarging blind rivet 6 are moved left and right, power set are Pneumatic rivet in the present embodiment
Rifle, pneumatic riveting gun includes riveting gun body 5 and the enlarging blind rivet sleeve pipe 8 being arranged on riveting gun body 5, and enlarging blind rivet 6 or so is oriented to
Movement is threaded onto in enlarging blind rivet sleeve pipe 8.The end 7 of enlarging blind rivet 6 is the pyramidal structure being gradually reduced from left to right, and enlarging connects
First 9 include its right-hand member for the enlarging endoporus 2 with self-locking thread insert 16 when in use top pressure coordinate flared end 10 and for
The connection end 11 of the threaded connection of enlarging blind rivet sleeve pipe 8, is provided with the screwed hole for the inserting of enlarging blind rivet sleeve pipe 8 on flare type joint 9
15 and the plug-in opening 14 for the inserting of enlarging blind rivet 6, flare type joint 9 is installed on enlarging blind rivet sleeve pipe 8 by helicitic texture, enlarging
It is that end 10 includes being used to stretching to enlarging endoporus 2 when in use along its circumferentially spaced 6 and expand in radial directions
The expansion valve 13 of deformation is opened, is provided with for being flared nail when enlarging blind rivet 6 is moved from left to right on the inwall for expanding valve 13
The pushing tow of core 6 and make the forced section of the radial expanding deformation oil of expansion valve 13, in the present embodiment forced section be by expansion valve 13 surround from
The closing-in structure of the pushing tow of confession enlarging blind rivet 6 that left-to-right diameter is tapered into.In enlarging blind rivet 6 when moving from left to right, expand
Mouth blind rivet 6 pushing tow expansion valve 13, makes the dilatating and deformable in radial directions of expansion valve 13, expansion valve 13 hold out against and extrude self-locking thread insert
16 enlarging endoporus 2 expands it so that the embedded engine crankcase matrix 17 of the outer knurled portion 1 of self-locking thread insert 16 expansion it
In, the self-locking fixation of the self-locking thread insert is realized, solve existing skill using the enlarging locking fixture of the automation, mechanization
Cause to install in batches and operating efficiency is low by manually locking or using other instruments not matched lock in art
Problem.
The worked of the enlarging locking fixture of the self-locking thread insert is referred to as：Self-locking thread insert 16 is installed on die nut is started
On machine casing matrix 17, flare type joint 9 is threadedly connected on enlarging blind rivet sleeve pipe 8, the insertion self-locking thread insert 16 of flared end 10
In enlarging endoporus 2, pneumatic riveting gun 5 drives enlarging blind rivet 6 to be stretched, and the end 7 of enlarging blind rivet 6 drives expansion valve 13 radially to expand
Deformation is opened, so as to the enlarging position to the self-locking thread insert 16 carries out enlarging locking.When in use, can be according to product practical set
Situation is adjusted the size of enlarging amount, the external screw thread on the internal thread and enlarging blind rivet sleeve pipe 8 of the connection end 11 of flare type joint 9
Match, internal thread screw-in matching external screw thread position is more, and when enlarging is carried out, enlarging blind rivet 6 just has longer position and stretches out expansion
Mouth joint 9, so as to increase enlarging amount, conversely, internal thread is screwed out, matching external screw thread position is more, and enlarging blind rivet 6 is stretched out enlarging and connect
First 9 position will be relative short, so as to reduce enlarging amount, meanwhile, be equipped with special air pressure valve, by adjust air pressure size come
Regulation starts the enlarging speed of riveting gun.
In other embodiments of the invention, power set can also use hydraulic gun；Can also be and manually use hammer
To replace pneumatic riveting gun；Pneumatic riveting gun can not also include enlarging blind rivet sleeve pipe, and now the connection end of flare type joint is provided with outer
Screw thread is directly connected with pneumatic riveting gun body；Can also open up pin-and-hole on enlarging blind rivet sleeve pipe, flare type joint using axle and
Pin-and-hole cooperation is fixed on enlarging blind rivet sleeve pipe；Forced section may not be closing-in structure, can be disposed on expanding valve
Bulge-structure on inwall；The end of enlarging blind rivet may not be pyramidal structure, can be chondritic.
A kind of expansion in the embodiment of flare type joint and a kind of each embodiment of the enlarging locking fixture of above-mentioned self-locking thread insert
The embodiment of mouth joint is identical, and here is omitted.
Claims (3)
1. the enlarging locking fixture of a kind of self-locking thread insert, it is characterised in that：The flare type joint that extends in left-right direction including axis,
The power set that enlarging blind rivet and driving enlarging blind rivet are moved left and right, the flare type joint includes what axis extended in left-right direction
Set shape body, the set shape body include its right-hand member for the enlarging endoporus with self-locking thread insert when in use top pressure coordinate expansion
Mouthful end, the flared end include along its circumferentially spaced at least two be used to stretching to when in use enlarging endoporus and in footpath
To the expansion valve that dilatating and deformable occurs on direction, it is provided with for when enlarging blind rivet is moved from left to right on the inwall for expanding valve
It is flared blind rivet pushing tow and makes the forced section of expansion valve radial expanding deformation oil, the power set is pneumatic riveting gun, described pneumatic
Riveting gun includes riveting gun body and the enlarging blind rivet sleeve pipe being arranged on riveting gun body, and the enlarging blind rivet guiding movement is threaded onto expansion
In mouth blind rivet sleeve pipe.
2. the enlarging locking fixture of a kind of self-locking thread insert according to claim 1, it is characterised in that：The forced section is served as reasons
The closing-in structure of the confession enlarging blind rivet pushing tow that the diameter from left to right that expansion valve is surrounded is tapered into.
3. the enlarging locking fixture of a kind of self-locking thread insert according to claim 1, it is characterised in that：The flare type joint is also
Including for the connection end with enlarging blind rivet sleeve pipe connection, the screw thread being connected with enlarging blind rivet casing threads being provided with connection end
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510630590.0A CN105196246B (en) | 2015-09-29 | 2015-09-29 | The flare type joint that the enlarging locking fixture and the frock of a kind of self-locking thread insert are used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510630590.0A CN105196246B (en) | 2015-09-29 | 2015-09-29 | The flare type joint that the enlarging locking fixture and the frock of a kind of self-locking thread insert are used |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105196246A CN105196246A (en) | 2015-12-30 |
| CN105196246B true CN105196246B (en) | 2017-06-16 |
Family
ID=54944371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510630590.0A Active CN105196246B (en) | 2015-09-29 | 2015-09-29 | The flare type joint that the enlarging locking fixture and the frock of a kind of self-locking thread insert are used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105196246B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363553A (en) * | 2017-07-12 | 2017-11-21 | 无锡金龙川村精管有限公司 | A kind of reducing flaring tooling and reducing flared method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2810503C2 (en) * | 1978-03-10 | 1982-07-22 | Hilti AG, 9494 Schaan | Device for fastening an expansion anchor in a borehole |
| DE3146005A1 (en) * | 1981-11-20 | 1983-05-26 | Josef 7941 Kanzach Gawatz | Internal clamping mandrel |
| CN2434468Y (en) * | 2000-08-03 | 2001-06-13 | 葛顺宝 | Core striking expansion bolt sleeve |
| CN2440968Y (en) * | 2000-09-27 | 2001-08-01 | 戚进 | Adjustable screw rod style expansion screw |
| CN2802163Y (en) * | 2005-06-17 | 2006-08-02 | 叶树锦 | Beating expansion fastener |
| CN2835681Y (en) * | 2005-10-31 | 2006-11-08 | 陕西科技大学 | Expansion threaded sleeve |
| CN202152783U (en) * | 2011-07-30 | 2012-02-29 | 王英 | Combined expansion screw |
| CN205043712U (en) * | 2015-09-29 | 2016-02-24 | 河南航天精工制造有限公司 | Flaring locking frock of auto -lock swivel nut and flaring that this frock was used connect |
-
2015
- 2015-09-29 CN CN201510630590.0A patent/CN105196246B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105196246A (en) | 2015-12-30 |
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| GR01 | Patent grant |