CN108317152A - A kind of screw thread stop structure - Google Patents
A kind of screw thread stop structure Download PDFInfo
- Publication number
- CN108317152A CN108317152A CN201810305483.4A CN201810305483A CN108317152A CN 108317152 A CN108317152 A CN 108317152A CN 201810305483 A CN201810305483 A CN 201810305483A CN 108317152 A CN108317152 A CN 108317152A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- screw
- caught
- locked spacer
- positioning groove
- Prior art date
- 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.)
- Withdrawn
Links
- 125000006850 spacer group Chemical group 0.000 claims abstract description 55
- 238000005452 bending Methods 0.000 claims abstract description 44
- 230000002093 peripheral effect Effects 0.000 claims description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- 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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
-
- 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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/10—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
- F16B39/103—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt with a locking cup washer, ring or sleeve surrounding the nut or bolt head and being partially deformed on the nut or bolt head, or on the object itself
- F16B39/105—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt with a locking cup washer, ring or sleeve surrounding the nut or bolt head and being partially deformed on the nut or bolt head, or on the object itself locking the bold head or nut into a hole or cavity, e.g. with the cup washer, ring or sleeve deformed into a dimple in the cavity
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention discloses a kind of screw thread stop structures, stop is carried out to the screw that upper connector and lower connector link together, including the through-hole being located on upper connector and the threaded hole being located on the lower connector, locked spacer is equipped between the through-hole and the nut of the screw, the nut is equipped with card slot, and the locked spacer has the bending part that can be caught in the card slot;The locked spacer is equipped with positioning protrusion, and the through-hole is equipped with the positioning groove for supplying the positioning protrusion to be caught in or the locked spacer is equipped with positioning groove, and the through-hole is equipped with the positioning protrusion being stuck in the positioning groove;Positioning protrusion is caught in positioning groove and realizes that the angular position between locked spacer and upper connector is fixed, after tightening screw thread, bending part is caught in the card slot, so far realizes the fixation of angular position between screw, locked spacer and upper connector three.
Description
Technical field
The present invention relates to a kind of screw thread stop structures.
Background technology
Spiral marking connection is the bind mode that use scope is most wide in fastener, and it is anti-to be roughly divided into friction by Loose Check Mechanism
Pine, machinery are locking, locking four class of locking and structure is rushed in riveting.Wherein, for the use environment of shock and vibration, variable load etc., machinery is anti-
Pine is the highest anti-loose method of generally acknowledged reliability.The locking core of screw thread machinery is its chocking construction, currently used stop
Structure has split pin, series connection steel wire and stop washer, three to have certain limitation in use.Split pin needs first
Nut and screw is wanted to be used cooperatively in pairs, when needing to accurately control screw-down torque, nut is difficult to be aligned with the pin hole on screw,
If being aligned by force, screw-down torque accuracy decline;Secondly, the tail end of split pin in bending there may be surrender, in the course of work
It is influenced to be broken by various external factor, is easy to cause secondary failure, in use, blocking such as inside rotating machinery
Revolving part.Series connection steel wire is exposed firstly the need of by head of screw or nut to provide operating space, when it is in suitable to flowing
When the more demanding region of smooth property, exposed position can stream field generate strong jamming, and flowing washes away and may also result in steel wire loosening
Or fracture, cause secondary failure;Secondly, the tail end for steel wire of connecting always needs to beat section, has beaten and has not had locking purpose, has beaten
Tight beat saves position and is easy to happen surrender, is influenced to be broken by various external factor in the course of work, is also easy to draw
Send out secondary failure.
Invention content
In order to make up the above deficiency, can effectively be solved existing for existing chocking construction to installation sky the present invention provides a kind of
Between require high and lock foot, lock section, the screw thread stop structure for the problems such as lock seaming easy fracture causes secondary failure.
The technical scheme is that:A kind of screw thread stop structure, to upper connector and lower connector link together
Screw carry out stop, including the through-hole being located on upper connector and the threaded hole being located on the lower connector, the through-hole
Between the nut of the screw be equipped with locked spacer, the nut be equipped with card slot, the locked spacer have can be caught in institute
State the bending part in card slot;The locked spacer is equipped with positioning protrusion, and the through-hole is equipped with to be caught in for the positioning protrusion
Positioning groove or the locked spacer be equipped with positioning groove, the through-hole be equipped be stuck in the positioning groove
Positioning protrusion.
The top of the through-hole is counterbore as a preferred technical solution, and the locked spacer includes being located at the nut
Cylinder between peripheral surface and the counterbore inner wall, the positioning protrusion are located at the outer wall of the cylinder, and the inner wall of the counterbore is set
There are the positioning groove, the peripheral surface of the nut to be equipped with the card slot, the top of the cylinder, which is equipped with, can be caught in the card slot
The interior bending part.
As a preferred technical solution, when the locked spacer is equipped with the positioning groove and the positioning groove is located at
When the cylinder top, the top of the cylinder in addition to the positioning groove also serves as the bending part, when the locked spacer
When being equipped with the positioning groove and the positioning groove and being not located at the cylinder top, the top of the cylinder also serves as described curved
Folding part;When the locked spacer is equipped with the positioning protrusion and the positioning protrusion is located at the cylinder top, except described
The top of the cylinder outside positioning protrusion also serves as the bending part, when the locked spacer is equipped with the positioning protrusion and institute
When stating positioning protrusion and being not located at the cylinder top, the top of the cylinder also serves as the bending part.
The lower part of the cylinder is connected with the gasket ring being sleeved on outside the screw, the gasket ring as a preferred technical solution,
Between the nut and the bottom of the counterbore.
The card slot is multiple as a preferred technical solution, and at least two card slots are caught in by the bending part.
The screw is sunk screw as a preferred technical solution, and after tightening screw, the nut is located at the counterbore
It is interior.
The card slot that the portion of being bent is caught in as a preferred technical solution, is in 90 degree or 180 degree with positioning groove.
Two card slots are caught in by the bending part as a preferred technical solution, the card that the portion of being bent is caught in
Slot is in 90 degree with positioning groove, another card slot that the portion of being bent is caught in is in 180 degree with positioning groove.
The contact surface of the screw and the locked spacer, which is equipped with, as a preferred technical solution, reduces screw and stop
The level of frictional force between gasket.
The level is to apply silver layer as a preferred technical solution,.
By adopting the above-described technical solution, a kind of screw thread stop structure, to upper connector and lower connector are connected to
Screw together carries out stop, including the through-hole being located on upper connector and the threaded hole being located on the lower connector, described
Locked spacer is equipped between through-hole and the nut of the screw, the nut is equipped with card slot, and the locked spacer has and can block
Enter the bending part in the card slot;The locked spacer is equipped with positioning protrusion, and the through-hole, which is equipped with, supplies the positioning protrusion
The positioning groove or the locked spacer being caught in are equipped with positioning groove, and the through-hole is equipped with and is stuck in the positioning groove
Interior positioning protrusion;Positioning protrusion is caught in positioning groove and realizes that the angular position between locked spacer and upper connector is fixed,
After tightening screw thread, bending part is caught in the card slot, so far realizes angle between screw, locked spacer and upper connector three
Fixation to position, to installation space without particular/special requirement;And bending part is caught in the card slot, and bending part is as locked spacer
A part, the intensity of bending part and rigidity are stronger, will not occur to surrender and be broken, and can prevent to cause secondary failure;It is described logical
The top in hole is counterbore, and after tightening screw, the nut is located in the counterbore, by the way of embedment, no projection, and application
Strong jamming is not will produce in interior stream region, while also can avoid impact of the flow field to chocking construction;The top of the cylinder can be with
The bending part is also served as, the top of cylinder can be squeezed into card slot, and bending part can be caught in the card slot from any angle, can
It is applicable to accurately control the coupled position of torque.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the structural schematic diagram of through-hole in the embodiment of the present invention;
Fig. 4 is the structural schematic diagram of screw in the embodiment of the present invention;
Fig. 5 is the vertical view of Fig. 4.
Specific implementation mode
As shown in Figures 1 to 5, a kind of screw thread stop structure, to what upper connector 1 and lower connector 2 linked together
Screw 3 carries out stop, including the through-hole 4 being located on upper connector 1 and the threaded hole 5 being located on the lower connector 2, described logical
Locked spacer is equipped between hole 4 and the nut 6 of the screw, the nut 6 is equipped with card slot 7, and the locked spacer has can
The bending part 8 being caught in the card slot 7;The locked spacer is equipped with positioning protrusion 9, and the through-hole 4 is equipped with for described fixed
The positioning groove 10 or the locked spacer that position protrusion 9 is caught in are equipped with positioning groove, and the through-hole is described equipped with being stuck in
Positioning protrusion in positioning groove.Phase between locked spacer and upper connector may be implemented in the cooperation of positioning protrusion and positioning groove
Fixation to position, bending part are caught in card slot, and the fixation of position between locked spacer and screw may be implemented, so just can be real
Angular position is reliably fixed between existing screw, locked spacer and upper connector three.
In the present embodiment, the top of the through-hole 4 is counterbore 11, and the nut 6 is cylinder, and the screw is countersunk head
Screw, after tightening screw, the nut is located in the counterbore, is in flush type, and the locked spacer includes being located at the nut 6
Cylinder 12 between 11 inner wall of peripheral surface and the counterbore, the positioning protrusion 9 are located at the outer wall of the cylinder 12, the counterbore 11
Inner wall be equipped with the positioning groove 10, the peripheral surface of the nut 6 is equipped with the card slot 7, and the top of the cylinder 12 is equipped with
The bending part 8 that can be caught in the card slot 7.Positioning protrusion is caught in positioning groove and realizes locked spacer and upper connector
Between angular position fix, after tightening screw thread, bending part is caught in the card slot, so far realize screw, locked spacer and
The fixation of angular position between upper connector three, to installation space without particular/special requirement;And bending part is caught in the card slot,
A part of the bending part as locked spacer, the intensity and rigidity of bending part are stronger, will not occur to surrender and be broken, can prevent to draw
Send out secondary failure;The top of the through-hole is counterbore, and screw is sunk screw, and after tightening screw, the nut is located at described heavy
In hole, by the way of embedment, no projection not will produce strong jamming applied to interior stream region, while also can avoid flow field pair
The impact of chocking construction.The locked spacer includes the cylinder 12 between 11 inner wall of 6 peripheral surface of the nut and the counterbore,
For stop locked spacer without exposed, stream field also can greatly reduce weakening of the interior stream impact to reliable lock without strong jamming.
When the locked spacer is equipped with the positioning groove and the positioning groove is located at the cylinder top, institute is removed
The top for stating the cylinder outside positioning groove also serves as the bending part, when the locked spacer be equipped with the positioning groove and
When the positioning groove is not located at the cylinder top, the top of the cylinder also serves as the bending part;When the locked spacer
When being equipped with the positioning protrusion and the positioning protrusion and being located at the cylinder top, the cylinder in addition to the positioning protrusion
Top also serve as the bending part, when the locked spacer be equipped with the positioning protrusion and the positioning protrusion be not located at it is described
When cylinder top, the top of the cylinder also serves as the bending part.The top of the cylinder can also serve as the bending part, cylinder
Top can be squeezed into card slot, bending part can be caught in the card slot from any angle, be applicable to need accurately control
The coupled position of torque.The top of the cylinder can also serve as the bending part, and the strength and stiffness of bending part are relatively strong, that is, protect
Reliable lock has been demonstrate,proved, and has been not susceptible to surrender and be broken, has avoided causing secondary failure.
As shown in Figure 1, the lower part of the cylinder 12 is connected with the gasket ring 13 being sleeved on outside the screw 3, the gasket ring 13
Between the nut 6 and the bottom of the counterbore 11.Gasket ring and cylinder form cup-like structure in this way, and intensity greatly enhances,
It can be so that stop be relatively reliable.After screw is tightened, nut compressing gasket ring, the caused friction of suppress effect of the nut to gasket ring
Under the adjection of power, locked spacer and upper connecting piece Peripheric locking reliability are very strong.
As shown in Fig. 2, the card slot 7 is multiple, at least two card slots 7 are caught in by the bending part 8.Can have in this way
Effect improves the intensity of stop, locking.The top of the cylinder can also serve as the bending part, and the top of cylinder can be squeezed into card
Slot, stop locked spacer are squeezed into position freedom, are accurately controlled convenient for screw-down torque, at least two card slots 7 are by the bending
Portion 8 is caught in, it can be achieved that many places are locked, and the Peripheric locking reliability of locked spacer and screw is also very strong.
It is in 90 degree or 180 degree that a card slot 7 that portion's card 8 enters, which is bent, with positioning groove 10.
Preferably, two card slots 7 are caught in by the bending part 8, are bent a card slot that portion 8 is caught in and positioning is recessed
Slot is in 90 degree, another card slot that the portion of being bent is caught in is in 180 degree with positioning groove.
When assembly, first by the hole heart alignment of the threaded hole on the through-hole of upper connector and lower connector, stop pad is placed into
Piece, positioning protrusion is caught in positioning groove when being put into, then is screwed into screw, and bending part is caught in card slot after tightening.
The contact surface of the screw and the locked spacer is equipped with the layer for reducing frictional force between screw and locked spacer
Face.Preferably, the level is to apply silver layer.
Screw can take spraying silver layer etc. to the rotating friction force of locked spacer on the two contact surface when being tightened to weaken
Friction-reducing measures.
The present invention coordinates by using the preferable cup-shaped chocking construction of globality with screw thread pair, can solve existing stop
Structure is high to requirements of installation space, lock foot/lock saves/is lockstitched a border easy fracture and cause secondary failure, be applied to interior stream zone convection field
The problem of interference is big and is not suitable for accurately controlling torque.It is highly suitable to be applied for vibrating big, the higher rocket of reliability requirement
Engine turbine pump is internal, and other occasions as more demanding to locking thread inside pump, turbine, compressor can also be applied.
The basic principles and main features and advantages of the present invention of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of screw thread stop structure carries out stop, feature to the screw that upper connector and lower connector link together
It is, including the through-hole being located on upper connector and the threaded hole being located on the lower connector, the through-hole and the screw
Nut between be equipped with locked spacer, the nut be equipped with card slot, the locked spacer have can be caught in the card slot
Bending part;The locked spacer is equipped with positioning protrusion, and the through-hole is equipped with the positioning groove being caught in for the positioning protrusion,
Or the locked spacer is equipped with positioning groove, the through-hole is equipped with the positioning protrusion being stuck in the positioning groove.
2. screw thread stop structure as described in claim 1, which is characterized in that the top of the through-hole is counterbore, the stop
Gasket includes the cylinder between the nut peripheral surface and the counterbore inner wall, and the positioning protrusion is located at the outer of the cylinder
The inner wall of wall, the counterbore is equipped with the positioning groove, and the peripheral surface of the nut is equipped with the card slot, the top of the cylinder
Equipped with the bending part that can be caught in the card slot.
3. screw thread stop structure as claimed in claim 2, which is characterized in that when the locked spacer is recessed equipped with the positioning
Slot and when the positioning groove is located at the cylinder top, the top of the cylinder in addition to the positioning groove also serve as described curved
Folding part, it is described when the locked spacer is equipped with the positioning groove and the positioning groove is not located at the cylinder top
The top of cylinder also serves as the bending part;It is located at institute when the locked spacer is equipped with the positioning protrusion and the positioning protrusion
When stating cylinder top, the top of the cylinder in addition to the positioning protrusion also serves as the bending part, when on the locked spacer
When being not located at the cylinder top equipped with the positioning protrusion and the positioning protrusion, the top of the cylinder also serves as the bending
Portion.
4. screw thread stop structure as claimed in claim 2, which is characterized in that the lower part of the cylinder, which is connected with, is sleeved on the spiral shell
Gasket ring outside nail, the gasket ring is between the nut and the bottom of the counterbore.
5. screw thread stop structure as described in claim 1, which is characterized in that the card slot is multiple, at least two cards
Slot is caught in by the bending part.
6. screw thread stop structure as claimed in claim 2, which is characterized in that the screw is sunk screw, after tightening screw,
The nut is located in the counterbore.
7. screw thread stop structure as claimed in claim 2, which is characterized in that the card slot that the portion of being bent is caught in and positioning are recessed
Slot is in 90 degree or 180 degree.
8. screw thread stop structure as claimed in claim 2, which is characterized in that two card slots are caught in by the bending part,
The card slot that the portion of being bent is caught in is in 90 degree with positioning groove, another card slot that the portion of being bent is caught in is in positioning groove
180 degree.
9. screw thread stop structure as described in any one of claim 1 to 7, which is characterized in that the screw and the stop pad
The contact surface of piece is equipped with the level for reducing frictional force between screw and locked spacer.
10. screw thread stop structure as claimed in claim 8, which is characterized in that the level is to apply silver layer.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810305483.4A CN108317152A (en) | 2018-04-09 | 2018-04-09 | A kind of screw thread stop structure |
CN202110456637.1A CN114278659A (en) | 2018-04-09 | 2018-04-09 | Screw thread locking structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810305483.4A CN108317152A (en) | 2018-04-09 | 2018-04-09 | A kind of screw thread stop structure |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110456637.1A Division CN114278659A (en) | 2018-04-09 | 2018-04-09 | Screw thread locking structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108317152A true CN108317152A (en) | 2018-07-24 |
Family
ID=62896932
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810305483.4A Withdrawn CN108317152A (en) | 2018-04-09 | 2018-04-09 | A kind of screw thread stop structure |
CN202110456637.1A Pending CN114278659A (en) | 2018-04-09 | 2018-04-09 | Screw thread locking structure |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110456637.1A Pending CN114278659A (en) | 2018-04-09 | 2018-04-09 | Screw thread locking structure |
Country Status (1)
Country | Link |
---|---|
CN (2) | CN108317152A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109340240A (en) * | 2018-12-12 | 2019-02-15 | 哈尔滨电气动力装备有限公司 | Screw locking mechanism |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1796806A (en) * | 2004-12-29 | 2006-07-05 | 赖起兵 | Full automatic subassembly of lock bolt |
CN202545525U (en) * | 2012-01-19 | 2012-11-21 | 宝山钢铁股份有限公司 | Fixed anti-looseness component |
CN203176131U (en) * | 2013-04-19 | 2013-09-04 | 黄供平 | Lock washer and connecting part and connected part using lock washer |
CN203297293U (en) * | 2013-06-04 | 2013-11-20 | 中联重科股份有限公司渭南分公司 | Anti-loosing gasket for threaded connection structure and threaded connection structure |
CN205190490U (en) * | 2015-08-25 | 2016-04-27 | 王景东 | Locking anti -disassembly bolt that moves |
WO2018039949A1 (en) * | 2016-08-31 | 2018-03-08 | 杨东佐 | Fastening connection structure, rotation stopping structure, fastening connection assembly and crankshaft connecting rod mechanism |
CN208503228U (en) * | 2018-04-09 | 2019-02-15 | 北京星际荣耀空间科技有限公司 | A kind of screw thread stop structure |
-
2018
- 2018-04-09 CN CN201810305483.4A patent/CN108317152A/en not_active Withdrawn
- 2018-04-09 CN CN202110456637.1A patent/CN114278659A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109340240A (en) * | 2018-12-12 | 2019-02-15 | 哈尔滨电气动力装备有限公司 | Screw locking mechanism |
Also Published As
Publication number | Publication date |
---|---|
CN114278659A (en) | 2022-04-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0859916B1 (en) | Threaded fastener system | |
CN110259808A (en) | The subassembly of lock bolt of predetermined torque control disassembly | |
JP2011231927A (en) | Concave-convex shapes on bolts and nuts to minimize bending | |
CN108317152A (en) | A kind of screw thread stop structure | |
CN208503228U (en) | A kind of screw thread stop structure | |
RU2526933C2 (en) | Screw pump rod coupler | |
CN207945183U (en) | A kind of riveting studs component | |
US4408941A (en) | Eyebolt | |
CN109778603A (en) | A kind of high-speed rail railroad track dedicated retaining check washer, nuts and bolt | |
CN107575463A (en) | A kind of stop screw component | |
CN102852952A (en) | Thread positioning locking mechanism and mounting method | |
CN205446346U (en) | Self -locking bolt | |
CN105333019B (en) | A kind of bearing assembling structure | |
CN109630204A (en) | A kind of rotor balancing clump weight fixed structure | |
CN110173073A (en) | A kind of back-to-back C-type steel web holes of double limbs and the split steel member with ribbed stiffener | |
JP3210608U (en) | Locking nut | |
CN107906199B (en) | Screw thread turnover type crosshead part fastening device | |
CN210371571U (en) | Universal self-locking fastening nut and fastening assembly | |
CN110158781A (en) | Slot type embedded part | |
CN109944860A (en) | Anti-loosening component nut | |
CN209539773U (en) | It is a kind of military to be automatically locked and the higher fastener of intensity | |
CN206257149U (en) | Anti-loose bolt nut assembly | |
CN207454471U (en) | Fastener | |
CN216382189U (en) | Anti-loosening nut for connecting steel structural members | |
CN217152562U (en) | High-hardness enhanced galvanized fiberboard nail |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 100032 1-14-214, 2nd floor, 136 Xiwai street, Xicheng District, Beijing Applicant after: Beijing Star glory Space Technology Co.,Ltd. Address before: 100176 329, 3rd floor, building 1, No.9, Disheng South Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Applicant before: BEIJING XINGJIRONGYAO SPACE TECHNOLOGY Co.,Ltd. |
|
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180724 |