CN207195381U - A kind of high-strength high reliability locking key swivel nut of self-locking anti-loosing - Google Patents
A kind of high-strength high reliability locking key swivel nut of self-locking anti-loosing Download PDFInfo
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- CN207195381U CN207195381U CN201720812674.0U CN201720812674U CN207195381U CN 207195381 U CN207195381 U CN 207195381U CN 201720812674 U CN201720812674 U CN 201720812674U CN 207195381 U CN207195381 U CN 207195381U
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- locking
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- thread
- thread insert
- keyway
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Abstract
The high-strength high reliability locking key swivel nut of a kind of self-locking anti-loosing provided by the utility model, is related to apparatus interconnection mounting technology field, described device includes：Self-locking thread insert (1), locking key (2), Wedge marker (3), keyway (4)；The internal thread of the self-locking thread insert (1) is wedge thread, and keyway (4) is configured with the end face of the self-locking thread insert (1)；The Wedge marker (3) in the direction for indicating the wedge thread is carved with the self-locking thread insert (1)；The locking key (2) is inserted into the keyway (4).
Description
Technical field
It the utility model is related to apparatus interconnection mounting technology field, and in particular to a kind of high-strength high reliability lock of self-locking anti-loosing
Key swivel nut.
Background technology
With the continuous development of space technology and civilian technology, thread connection technology is widely used in space flight bullet rocket body structure
On civil structural.Wherein, for the softer installing matrix of material, or dismounting repeatedly requires and self-locking anti-loosing requirement
, it is necessary to exchanging structure be installed in installing matrix structure, so as to ensure installing matrix when installing matrix needs to be threadedly coupled
It is threadedly coupled with other devices.
At present, traditional exchanging structure typically carries out installing matrix and the connection of other devices using steel-wire screw-socket.But
Steel-wire screw-socket has following problem：Because steel-wire screw-socket external screw thread uses regular screw threads and no locking measures so that assembling process
In easily occur reversely screw out phenomenon；The internal thread of steel-wire screw-socket equally uses regular screw threads, in externally applied force square, due to
Mainly the first two ridge stress, screw thread discontinuity, screw thread is caused easily to kill or even destroy；Because steel-wire screw-socket uses
Steel wire is made, and causes torsional strength low.
Utility model content
The technical problems to be solved in the utility model is：Overcome the deficiencies in the prior art, there is provided a kind of self-locking anti-loosing is high-strength
High reliability locking key swivel nut, can solve easily to occur reversely screwing out phenomenon and spiral shell in assembling process present in prior art
The problem of line is easily killed or even destroyed.
Technical solution of the present utility model is a kind of high-strength high reliability locking key swivel nut of self-locking anti-loosing, including：Self-locking
Swivel nut, locking key, Wedge marker, keyway；
The internal thread of the self-locking thread insert is wedge thread；
The Wedge marker in the direction for indicating the wedge thread is carved with the self-locking thread insert；
Keyway is configured with the end face of the self-locking thread insert；
The locking key is inserted into the keyway.
Further, the diameter of thread of the internal thread of the self-locking thread insert is less than or equal to 6 millimeters, and the self-locking thread insert is matched somebody with somebody
Two keyways are equipped with, described two keyways are evenly distributed in the self-locking thread insert.
Further, the diameter of thread of the internal thread of the self-locking thread insert is more than 6 millimeters, and the self-locking thread insert is configured with four
Individual keyway, four keyways are evenly distributed in the self-locking thread insert.
Further, the locking key includes：Guide section that process for being inserted into keyway to locking key is oriented to, it is used for
The interference fit section of the locking key is fixed in the self-locking thread insert, for self-locking thread insert and locking key to be fixed tightly in into outside installation base
Raised section on body；
The raised section is connected with outside installing matrix.
Further, the width of the guide section is narrower 0.05-0.2mm than the width of rebate of the keyway；
Further, the width of the interference fit section is wider 0.02-0.1mm than the width of rebate of keyway；Further, institute
The tensile strength for stating the material of self-locking thread insert and locking key is more than or equal to 1000MPa.
The beneficial effect of the utility model compared with prior art is：
1st, the internal thread of self-locking thread insert uses the wedge thread with self-locking anti-loosing in device provided by the utility model, by
In uniform force, therefore anti-loosing effect is good, can improve fatigue resistance.
2nd, device self-locking thread insert provided by the utility model and the material of locking key are more than by being heat-treated to tensile strength
Equal to 1000MPa, therefore the strength of materials is high, and the strength of materials is not less than 1000MPa, and abrasion resistance is good.
Brief description of the drawings
Fig. 1 (a)-(c) is locking key swivel nut assembling schematic diagram provided by the utility model；
Fig. 2 is self-locking thread insert schematic diagram provided by the utility model；
Fig. 3 is self-locking thread insert internal and external threads provided by the utility model and screw-in direction schematic diagram；
Fig. 4 is locking key schematic diagram provided by the utility model.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
As shown in Fig. 1 (a)-(c), Fig. 1 (a)-(c) is a kind of high-strength high reliability of self-locking anti-loosing provided by the utility model
The assembling schematic diagram of locking key swivel nut, the locking key swivel nut include：Self-locking thread insert 1, locking key 2, Wedge marker 3, keyway 4；It is described from
The internal thread for locking swivel nut 1 is wedge thread, and keyway, the outer spiral shell of the self-locking thread insert 1 are configured with the end face of the self-locking thread insert
Line is using the screw thread identical screw thread with installing matrix；The side for indicating the wedge thread is carved with the self-locking thread insert 1
To Wedge marker 3；The locking key 2 is inserted into the corresponding keyway 4 of the self-locking thread insert 1.
Further, as shown in Fig. 2 the diameter of thread of the internal thread of the self-locking thread insert 1 is less than or equal to 6 millimeters, institute
State self-locking thread insert 1 and be configured with two keyways 4, described two keyways 4 are evenly distributed in the self-locking thread insert 1.The self-locking spiral shell
The diameter of thread of the internal thread of set 1 is more than 6 millimeters, and the self-locking thread insert 1 is configured with four keyways 4, and four keyways 4 are uniform
It is distributed in the self-locking thread insert 1.Wherein, opening angle corresponding to the Wedge marker 3 can be 90 degree, and depth can be
2mm, it is additionally operable to indicate outer bolt, the precession direction of screw and the direction of insertion of locking key 2, i.e., from being carved with Wedge marker 3
The end face of self-locking thread insert 1 is initially inserted into the keyway 4.Wedge marker 3 and wedge-shaped internal thread and bolt or screw screw in
The corresponding relation in direction can be as shown in Figure 3.
Further, as shown in figure 4, the locking key 2 includes：For being installed on to locking key 2 keyway 4 of self-locking thread insert 1
The guide section 5 that process is oriented to, the interference fit section 6 for fixing the locking key 2 in the self-locking thread insert 1, for breaking
The screw thread of bad outside installing matrix, the raised section 7 self-locking thread insert 1 and locking key 2 being fixed tightly in outside installing matrix；The guiding
The width of section 5 is narrower 0.05-0.2mm than the width of rebate of the keyway 4；Notch of the width of the interference fit section 6 than keyway 4
The wide 0.02-0.1mm of width；The raised section 7 is connected with outside installing matrix.
In the utility model embodiment, the material of the self-locking thread insert 1 and locking key 2 is by being heat-treated to tensile strength
More than or equal to 1000MPa.The locking key swivel nut is dismantled locking properties experiment and tension by 60000 vibration tests, 50 times, resisted
Pull out the examination with torsional strength experiment.
The installation process of the high-strength high reliability locking key swivel nut of self-locking anti-loosing provided by the utility model is illustrated below：
When mounted, configure regular screw threads in installing matrix, diameter of thread size with self-locking thread insert 1 external screw thread, by self-locking thread insert 1
Screw in installing matrix, then pound locking key 2 into matrix along the keyway 4 in self-locking thread insert 1, after installation locking key 2 should be not higher than self-locking
The end face of swivel nut 1.
The undocumented technology category techniques well known of the utility model specification.
Claims (4)
- A kind of 1. high-strength high reliability locking key swivel nut of self-locking anti-loosing, it is characterised in that including：Self-locking thread insert (1), locking key (2), wedge Shape mark (3), keyway (4)；The internal thread of the self-locking thread insert (1) is wedge thread；The Wedge marker (3) in the direction for indicating the wedge thread is carved with the self-locking thread insert (1)；The Wedge marker (3) opening angle corresponding to is 90 degree, depth 2mm；Keyway (4) is configured with the end face of the self-locking thread insert (1)；The locking key (2) is inserted into the keyway (4)；The locking key (2) includes：Guide section (5) that process for being inserted into keyway (4) to locking key (2) is oriented to, it is used for The interference fit section (6) of the locking key (2) is fixed in the self-locking thread insert (1), for by self-locking thread insert (1) and locking key (2) The raised section (7) being fixed tightly in outside installing matrix；The raised section (7) is connected with outside installing matrix；The width of the guide section (5) is narrower 0.05-0.2mm than the width of rebate of the keyway (4)；The width of the interference fit section (6) is wider 0.02-0.1mm than the width of rebate of keyway (4).
- A kind of 2. high-strength high reliability locking key swivel nut of self-locking anti-loosing according to claim 1, it is characterised in that the self-locking The diameter of thread of the internal thread of swivel nut (1) is less than or equal to 6 millimeters, and the self-locking thread insert (1) is configured with two keyways (4), institute Two keyways (4) are stated to be evenly distributed in the self-locking thread insert (1).
- A kind of 3. high-strength high reliability locking key swivel nut of self-locking anti-loosing according to claim 1, it is characterised in that the self-locking The diameter of thread of the internal thread of swivel nut (1) is more than 6 millimeters, and the self-locking thread insert (1) is configured with four keyways (4), described four Keyway (4) is evenly distributed in the self-locking thread insert (1).
- A kind of 4. high-strength high reliability locking key swivel nut of self-locking anti-loosing according to claim any one of 1-3, it is characterised in that The tensile strength of the material of the self-locking thread insert (1) and locking key (2) is more than or equal to 1000MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720812674.0U CN207195381U (en) | 2017-07-06 | 2017-07-06 | A kind of high-strength high reliability locking key swivel nut of self-locking anti-loosing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720812674.0U CN207195381U (en) | 2017-07-06 | 2017-07-06 | A kind of high-strength high reliability locking key swivel nut of self-locking anti-loosing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195381U true CN207195381U (en) | 2018-04-06 |
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ID=61784430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720812674.0U Active CN207195381U (en) | 2017-07-06 | 2017-07-06 | A kind of high-strength high reliability locking key swivel nut of self-locking anti-loosing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281915A (en) * | 2018-10-15 | 2019-01-29 | 河南航天精工制造有限公司 | A kind of locked swivel nut component of axis |
-
2017
- 2017-07-06 CN CN201720812674.0U patent/CN207195381U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281915A (en) * | 2018-10-15 | 2019-01-29 | 河南航天精工制造有限公司 | A kind of locked swivel nut component of axis |
| CN109281915B (en) * | 2018-10-15 | 2021-03-12 | 河南航天精工制造有限公司 | Locked thread sleeve assembly for shaft |
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