CN106895062A - A kind of quick-locking device and its application method - Google Patents

A kind of quick-locking device and its application method Download PDF

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Publication number
CN106895062A
CN106895062A CN201710179847.4A CN201710179847A CN106895062A CN 106895062 A CN106895062 A CN 106895062A CN 201710179847 A CN201710179847 A CN 201710179847A CN 106895062 A CN106895062 A CN 106895062A
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CN
China
Prior art keywords
bolt
bushing
quick
panel
loose slot
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.)
Granted
Application number
CN201710179847.4A
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Chinese (zh)
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CN106895062B (en
Inventor
蔡波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUIZHOU HANGRUI AVIATION PRECISION PARTS MANUFACTURING Co Ltd
Original Assignee
GUIZHOU HANGRUI AVIATION PRECISION PARTS MANUFACTURING Co Ltd
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Priority to CN201710179847.4A priority Critical patent/CN106895062B/en
Publication of CN106895062A publication Critical patent/CN106895062A/en
Application granted granted Critical
Publication of CN106895062B publication Critical patent/CN106895062B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041Specially-shaped shafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/06Specially-shaped heads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention discloses a kind of quick-locking device, including two-wire fixing bolt and combination bushing, clamping slot is offered on the body of bolt, combination bushing includes upper bushing body, lower bushing body and a pair movable intermediate plates, lower bushing body is riveted on upper bushing body, and loose slot is symmetrically arranged with upper bushing body;The movable intermediate plate is arranged in the loose slot and runs through loose slot.When using, including following steps, step one, combination bushing are installed:First upper bushing body is riveted on panel, then Clip Reed and movable intermediate plate are arranged in loose slot, then lower bushing body is riveted on upper bushing body, that is, complete the fixation of combination bushing and panel;The installation of step 2, bolt;The installation of step 3, panel and base plate.Quick-locking device of the invention and original down lock body(Or self-locking nut component)Directly use cooperatively, self-locking property is higher, intensity is big, and bolt can be rested on reliably on panel, reduce because other harm for causing are flown away from vibration.

Description

A kind of quick-locking device and its application method
Technical field
The present invention relates to Aero-Space fastener technical field, and in particular to a kind of panel quick locking dress of Anti-fall Put and its application method.
Background technology
The panel locking device of Aero-Space generally comprises bolt and bolt bush, is installed by base plate and panel Bushing, is inserted by bolt, turns bolt, then the self-locking nut or down lock body that coordinate with base plate lower section are used cooperatively.
General two-wire bolt, structure as shown in Figure 1, including the body of bolt 2, bolt twist groove 1 and with bushing coordinate open Groove, bolt twists the upper end that groove 1 is located at the body of bolt 2, and the fluting is included positioned at the turnover groove 4 of the bottom of the body of bolt 2 and positioned at the body of bolt 2 Two relative annular grooves 3 on surface, the turnover groove 4 is in inverted T-shape, the notch connection annular groove of groove 4 is passed in and out, due to two-wire Different grooves are opened on bolt thread, fast mouth is formed at its each notch just as blade is in the nut or the screw thread of down lock body being screwed into Footpath produces constantly cutting, before this strikes off the coating on the screw thread of nut or down lock body, then as two-wire bolt and floating Dynamic being screwed into for nut is back-outed, and the notch of two-wire bolt gradually produces strong cutting to the pitch diameter of thread that nut or down lock body are sent out Effect, causes the pitch diameter of thread of the nut or down lock body for coordinating to become big, lose it is original by pitch diameter of thread radial deformation with it is double Elastic deformation keeps the ability of lasting self-locking locking property after the friction of line bolt, simultaneously because the setting of turnover groove notch, makes With with installation during, due to vibration, bolt can spin off from panel, not only be not easy to install, can also be because of inertia Fly away from bolt, the lighter can be blocked on the gap of aircraft or space flight and aviation device, it is heavy then can beat on the person, cause personnel to hinder Die.
The content of the invention
The invention is intended to provide a kind of quick-locking device of panel, to solve the locking device self-lock ability of prior art Difference, installs inconvenience, and bolt can not reliably stop problem in the panel.
A kind of quick-locking device in this programme, including two-wire fixing bolt and combination bushing, the two-wire fix spiral shell Bolt includes the body of bolt and bolt twists groove, and the head of the body of bolt is provided with bolt and twists groove, and the bottom of the body of bolt is solid hopkinson bar, real Core bar is the double thread of total cross-section;It is characterized in that:Clamping slot is further opened with the body of bolt, the clamping slot is located at the body of bolt Afterbody, the combination bushing includes the movable intermediate plates of upper bushing body, lower bushing body and a pair, between upper bushing body and lower bushing body Bushing endoporus is provided with, lower bushing body is riveted on upper bushing body, and loose slot is symmetrically arranged with upper bushing body;The activity folder Piece is arranged in the loose slot and runs through loose slot, and Clip Reed is also equipped with the loose slot, and the Clip Reed side is supported Hold on the cell wall of loose slot, opposite side is supported with movable intermediate plate.
Operation principle of the invention is:Clamping slot is set in the afterbody of the body of bolt, is set and clamping slot in combination bushing The movable intermediate plate for using cooperatively, movable intermediate plate is supported by with the Clip Reed in loose slot, and the body of bolt is downwardly into group When closing bushing endoporus, because bolt head is with diameter greater than the distance between two movable intermediate plates, extruding force is made towards movable intermediate plate With movable intermediate plate makes the distance between two movable intermediate plates become big, movable intermediate plate to being moved in loose slot and forcing Clip Reed deformation Fall into clamping slot, the movable not compact power effect in intermediate plate two ends, Clip Reed elastic returning, movable intermediate plate is supported in clamping slot On, the body of bolt continues to be pressed down against, and repeats said process, and movable intermediate plate is supported on thread segment, and is stopped at an arbitrary position.
Beneficial effects of the present invention are:Two-wire fixing bolt is designed using the double thread of solid stems total cross-section, tension Stretch intensity higher, while body of bolt surface is without fluting, shear strength is also higher compared with traditional product;The design of movable intermediate plate, Two-wire fixing bolt can not only be reliably retained on panel, will not be flown away from because of vibration, while can also consolidate two-wire Determine bolt to keep stopping at an arbitrary position with respect to panel, be more convenient to the dismounting and installation of panel;Movable intermediate plate is installed in In combination bushing, can well be protected, be greatly reduced the chance damaged by a variety of causes, security more preferably, is passed through First be arranged on combination bushing on panel by the form of riveting, combines the over all Integration design of bushing, reduces component count, more Convenient use, completes to install by bolt is inserted directly into combination bushing, and the installation of bolt is without any instrument;This hair Bright quick-locking device can be with original down lock body(Or self-locking nut component)Directly use cooperatively, self-locking property is constant, Intensity is higher, and two-wire fixing bolt can be rested on reliably on panel, reduces because other harm for causing are flown away from vibration.
Further, the two-wire fixing bolt is made up of titanium alloy material.Increasing the basis of intensity and service life On, can effective alleviator weight.
Further, after the two-wire fixing bolt passages through which vital energy circulates chongyang polarization process, molybdenum bisuphide dry lubricant is smeared.
Further, the minimum range of the clamping slot and body of bolt afterbody for screw thread segment length on the body of bolt 1/11 ~ 1/13 times.The length of thread segment is generally 1 ~ 6cm in two-wire fixing bolt, and the length according to thread segment matches clamping slot to bolt The minimum range of body afterbody, apart from long, the length of thread segment just shortens on the body of bolt, and clamping slot to this section of bolt tail away from It is convenient to install from when being mainly used for movable intermediate plate and falling into clamping slot, it is ensured that bolt physical efficiency is kept upright, therefore minimum range is 1/11 ~ 1/13 times of screw thread segment length on the body of bolt.
Further, the movable intermediate plate be " 7 " font, including bare terminal end, support end and positioned at the arc dorsal segment at middle part, institute State and support end in loose slot, the bare terminal end is located at outside loose slot, the arc dorsal segment is supported with movable intermediate plate.Inwardly squeeze During pressure activity intermediate plate, arc dorsal segment extruding Clip Reed supports end and supports in loose slot, plays position-limiting action, it is ensured that it is to the body of bolt Clamping effect.
Further, the termination of the bare terminal end is the arc side section towards the bending of lower bushing body, in order to ensure using effect, It is arc side section with the contact surface of the body of bolt, it is to avoid abrasion, and bolt physical efficiency is smoothly inserted or is taken out.
Further, the Clip Reed is "U" shaped, including two straight sections of tilting section of two tilting sections and connection, The straight section is supported on loose slot cell wall, and the side of the tilting section is supported on arc dorsal segment.Straight section plays position-limiting action, Ensure tilting section after extrusion can smoothly resilience and be unlikely to displacement.
Further, the upper bushing body and lower bushing body be through solution treatment, the movable passivated treatment of intermediate plate.
The application method of quick-locking device, including following steps, step one, combination bushing are installed:First by upper lining Body is riveted on panel, then Clip Reed and movable intermediate plate are arranged in loose slot, arc side section is bent towards lower bushing body, Ensure that the straight section of Clip Reed is supported on loose slot cell wall, the side of tilting section is supported on arc dorsal segment, afterwards by lower bushing Body is riveted on upper bushing body, that is, complete the fixation of combination bushing and panel.
The installation of step 2, bolt:Two-wire fixing bolt is put into the combination bushing endoporus being already installed on panel, Two-wire fixing bolt is firmly downwardly into, two-wire fixing bolt automatically can hold movable intermediate plate top, you can complete bolt and install.
The installation of step 3, panel and base plate:Sealant layer is provided between panel and base plate, two-wire is downwardly into and is fixed spiral shell Bolt, is allowed to drop into the self-locking nut or down lock body that base plate lower section is provided with, and swivel bolt twists groove, completes panel and base plate Install.
Mounted combination bushing or the mounted combination bushing on the panel of reverse side counter boring, combination lining on panel It is riveting to cover, and bolt is put into the combination bushing endoporus being already installed on panel, is slightly exerted oneself, and is downwardly into bolt, bolt Automatically movable intermediate plate top can be held, movable intermediate plate is fallen into the clamping slot of bolt, it is ensured that bolt will not come off from panel, and can That leans on is maintained at this position, and so that panel is installed, bolt can be slided up and down in bushing is combined, and in the work of movable intermediate plate Under, keep stopping at an arbitrary position, in the self-locking nut or down lock body being provided with below alignment base plate, swivel bolt twists groove, Complete the installation of panel and base plate.
Brief description of the drawings
Fig. 1 is the structural representation of traditional two-wire bolt;
A kind of structural representation of quick-locking device of Fig. 2 present invention;
A kind of structural representation of the two-wire fixing bolt of quick-locking device of Fig. 3 present invention;
A kind of structural representation of the upper bushing body of quick-locking device of Fig. 4 present invention.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation:
Reference in Figure of description includes:Bolt twists groove 1, the body of bolt 2, annular groove 3, turnover groove 4, clamping slot 5, upper lining Body 6, panel 7, movable intermediate plate 8, Clip Reed 9, loose slot 10, sealant layer 11, lower bushing body 12, base plate 13, down lock body 14, Thread segment 201, bolt tail 202.
Traditional two-wire bolt is as shown in Figure 1:Including the stubborn groove 1 of the body of bolt 2, bolt and the fluting coordinated with bushing, spiral shell Bolt twists the upper end that groove 1 is located at the body of bolt 2, and the fluting is included positioned at the turnover groove 4 of the bottom of the body of bolt 2 and positioned at the surface of the body of bolt 2 Two relative annular grooves 3, turnover groove 4 be in inverted T-shape, pass in and out groove 4 notch connection annular groove 3.
Quick-locking device of the invention as shown in Fig. 2 to the fixation between panel 7 and base plate 13, panel 7 and base plate Sealant layer 11 is provided between 13, quick-locking device includes two-wire fixing bolt and combination bushing, and two-wire fixing bolt is titanium Alloy material is made, and two-wire fixing bolt includes the body of bolt 2 and bolt twists groove 1, and the head of the body of bolt 2 offers bolt and twists groove 1, the bottom of the body of bolt 2 is solid hopkinson bar, and solid stems are the double thread of total cross-section;Clamping slot 5 is further opened with the body of bolt 2, Clamping slot 5 is located at the afterbody of the body of bolt 2, and combination bushing includes upper bushing body 6, lower bushing body 12 and a pair movable intermediate plates 8, upper lining Bushing endoporus is provided between body 6 and lower bushing body 12, lower bushing body 12 is riveted on upper bushing body 6, it is symmetrical on upper bushing body 6 Be provided with loose slot 10;Movable intermediate plate 8 is inlaid in loose slot 10 and through loose slot 10, living to coordinate with clamping slot 5 Clip Reed 9 is also equipped with dynamic groove 10, the side of Clip Reed 9 is supported on the cell wall of loose slot 10, opposite side is supported with movable intermediate plate 8 Hold.
When using, including 3 steps, step one, combination bushing are installed:First upper bushing body 6 is riveted on panel 7, then Clip Reed 9 and movable intermediate plate 8 are arranged in loose slot 10, arc side section is bent towards lower bushing body 12, it is ensured that Clip Reed 9 Straight section is supported on the cell wall of loose slot 10, and the side of tilting section is supported on arc dorsal segment, is afterwards riveted on lower bushing body 12 On upper bushing body 6, that is, complete the fixation of combination bushing and panel 7.
The installation of step 2, bolt:Two-wire fixing bolt is put into the combination bushing endoporus being already installed on panel 7 In, two-wire fixing bolt is firmly downwardly into, two-wire fixing bolt automatic can be held the top of movable intermediate plate 8, you can complete bolt peace Dress.
The installation of step 3, panel and base plate:Sealant layer 11 is provided between panel 7 and base plate 13, is continued with to underthrust Enter two-wire fixing bolt, be allowed to drop into the self-locking nut or down lock body 14 that the lower section of base plate 13 is provided with, swivel bolt twists groove 1, you can complete the installation of panel 7 and base plate 13.
Mounted combination bushing or the mounted combination bushing on the panel 7 of reverse side counter boring, combination on panel 7 Bushing is riveting, bolt is put into the combination bushing endoporus being already installed on panel 7, is slightly exerted oneself, and is downwardly into bolt, spiral shell Bolt automatic can be held the top of movable intermediate plate 8, and movable intermediate plate 8 is fallen into the clamping slot 5 of bolt, it is ensured that bolt will not take off from panel 7 Fall, and be reliably maintained at this position, so that panel 7 is installed, bolt can be slided up and down in bushing is combined, and in activity In the presence of intermediate plate 8, keep stopping at an arbitrary position, in the self-locking nut or down lock body 14 being provided with below alignment base plate 13, Swivel bolt twists groove 1, you can complete the installation of panel 7 and base plate 13.
Two-wire fixing bolt as shown in Figure 3, clamping slot 5 is screw thread on the body of bolt 2 with the minimum range of bolt tail 202 1/11 ~ 1/13 times of 201 length of section.
As shown in Figure 4:Movable intermediate plate 8 be " 7 " font, including bare terminal end, support end and positioned at the arc dorsal segment at middle part, support End is located in loose slot 10, and bare terminal end is located at outside loose slot 10, and arc dorsal segment is supported with movable intermediate plate 8, inside Compressive activities folder During piece 8, arc dorsal segment extruding Clip Reed 9 supports end and supports in loose slot 10, plays position-limiting action;The termination of bare terminal end is direction The arc side section of the lower bending of bushing body 12, avoids abrasion when using, and the body of bolt 2 is smoothly inserted or is taken out, and Clip Reed 9 is "U" shaped, including two straight sections of tilting section of two tilting sections and connection, straight section are supported on the cell wall of loose slot 10, inclined The side of oblique section is supported on arc dorsal segment, and straight section plays position-limiting action, it is ensured that tilting section after extrusion can smoothly resilience and it is unlikely In displacement.
Above-described is only embodiments of the invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme Excessive description.It should be pointed out that for a person skilled in the art, on the premise of structure of the present invention is not departed from, can be with Some deformations and improvement are made, these should also be considered as protection scope of the present invention, these are implemented all without the influence present invention Effect and practical applicability.This application claims protection domain should be defined by the content of its claim, in specification Specific embodiment etc. records the content that can be used for explaining claim.

Claims (10)

1. a kind of quick-locking device, including two-wire fixing bolt and combination bushing, the two-wire fixing bolt include the body of bolt, Groove is twisted with bolt, the head of the body of bolt is provided with bolt and twists groove, and the bottom of the body of bolt is solid hopkinson bar, and solid hopkinson bar is total cross-section Double thread;It is characterized in that:Clamping slot is further opened with the body of bolt, the clamping slot is located at the afterbody of the body of bolt, described group Closing bushing includes upper bushing body, lower bushing body and a pair movable intermediate plates, and bushing endoporus is provided between upper bushing body and lower bushing body, Lower bushing body is riveted on upper bushing body, and loose slot is symmetrically arranged with upper bushing body;The movable intermediate plate is arranged on described In loose slot and through loose slot, Clip Reed is also equipped with the loose slot, the Clip Reed side is supported in loose slot On cell wall, opposite side is supported with movable intermediate plate.
2. quick-locking device according to claim 1, it is characterised in that:The two-wire fixing bolt is titanium alloy material It is made.
3. quick-locking device according to claim 2, it is characterised in that:The two-wire fixing bolt passages through which vital energy circulates chongyang polarization After treatment, molybdenum bisuphide dry lubricant is smeared.
4. quick-locking device according to claim 3, it is characterised in that:The minimum of the clamping slot and body of bolt afterbody Distance is 1/11 ~ 1/13 times of screw thread segment length on the body of bolt.
5. the quick-locking device according to claim 1 or 3, it is characterised in that:The movable intermediate plate is " 7 " font, bag Include bare terminal end, support end and positioned at the arc dorsal segment at middle part, the end that supports is located in loose slot, and the bare terminal end is located at loose slot Outside, the arc dorsal segment is supported with movable intermediate plate.
6. quick-locking device according to claim 5, it is characterised in that:The termination of the bare terminal end is towards lower bushing The arc side section of body bending.
7. quick-locking device according to claim 6, it is characterised in that:The Clip Reed is "U" shaped, including two Two straight sections of tilting section of tilting section and connection, the straight section is supported on loose slot cell wall, the side of the tilting section Support on arc dorsal segment.
8. quick-locking device according to claim 7, it is characterised in that:The clamping slot coordinates with the intersegmental gap in arc side.
9. quick-locking device according to claim 8, it is characterised in that:The upper bushing body and lower bushing body are through solid solution Treatment, the movable passivated treatment of intermediate plate.
10. the application method of quick-locking device according to claim 9, it is characterised in that:Including following steps, Step one, combination bushing are installed:First upper bushing body is riveted on panel, then Clip Reed and movable intermediate plate are arranged on loose slot It is interior, arc side section is bent towards lower bushing body, it is ensured that the straight section of Clip Reed is supported on loose slot cell wall, the side of tilting section Support on arc dorsal segment, lower bushing body is riveted on upper bushing body afterwards, that is, complete the fixation of combination bushing and panel;
The installation of step 2, bolt:Two-wire fixing bolt is put into the combination bushing endoporus being already installed on panel, firmly Two-wire fixing bolt is downwardly into, two-wire fixing bolt automatically can hold movable intermediate plate top, you can complete bolt and install;
The installation of step 3, panel and base plate:Sealant layer is provided between panel and base plate, continues to be downwardly into two-wire fixation spiral shell Bolt, is allowed to drop into the self-locking nut or down lock body that base plate lower section is provided with, and swivel bolt twists groove, completes panel and base plate Install.
CN201710179847.4A 2017-03-23 2017-03-23 A kind of quick-locking device and its application method Active CN106895062B (en)

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Application Number Priority Date Filing Date Title
CN201710179847.4A CN106895062B (en) 2017-03-23 2017-03-23 A kind of quick-locking device and its application method

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Application Number Priority Date Filing Date Title
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CN106895062A true CN106895062A (en) 2017-06-27
CN106895062B CN106895062B (en) 2019-04-16

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1550621A (en) * 1923-10-22 1925-08-18 De Los A Lawton Door fastener
US3061346A (en) * 1959-03-30 1962-10-30 Robert A Jorgensen Door catch
US3780904A (en) * 1971-09-23 1973-12-25 Fedders Corp Pressure compensating door catch assembly
US4324517A (en) * 1980-06-16 1982-04-13 Sps Technologies, Inc. Panel fastener assembly with retainer ring
GB2180906A (en) * 1985-09-20 1987-04-08 Rexnord Inc Grommet assembly for panel fastener
US4728132A (en) * 1985-12-02 1988-03-01 Trans-Guard Industries, Inc. Bolt lock
CN201080948Y (en) * 2007-08-09 2008-07-02 贵州航天精工制造有限公司 Double thread fastening device
US7462008B2 (en) * 2002-05-02 2008-12-09 Pilgrim Screw Corporation Structural fasteners and components thereof
CN201428719Y (en) * 2009-06-12 2010-03-24 贵州航天精工制造有限公司 Light load-carrying quick release lock
CN102287426A (en) * 2010-06-14 2011-12-21 美铝公司 retainer ring

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1550621A (en) * 1923-10-22 1925-08-18 De Los A Lawton Door fastener
US3061346A (en) * 1959-03-30 1962-10-30 Robert A Jorgensen Door catch
US3780904A (en) * 1971-09-23 1973-12-25 Fedders Corp Pressure compensating door catch assembly
US4324517A (en) * 1980-06-16 1982-04-13 Sps Technologies, Inc. Panel fastener assembly with retainer ring
GB2180906A (en) * 1985-09-20 1987-04-08 Rexnord Inc Grommet assembly for panel fastener
US4728132A (en) * 1985-12-02 1988-03-01 Trans-Guard Industries, Inc. Bolt lock
US7462008B2 (en) * 2002-05-02 2008-12-09 Pilgrim Screw Corporation Structural fasteners and components thereof
CN201080948Y (en) * 2007-08-09 2008-07-02 贵州航天精工制造有限公司 Double thread fastening device
CN201428719Y (en) * 2009-06-12 2010-03-24 贵州航天精工制造有限公司 Light load-carrying quick release lock
CN102287426A (en) * 2010-06-14 2011-12-21 美铝公司 retainer ring

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Denomination of invention: A quick locking device and its application method

Effective date of registration: 20221219

Granted publication date: 20190416

Pledgee: China Construction Bank Corporation Zunyi branch

Pledgor: GUIZHOU HANGRUI AVIATION PRECISION PARTS MANUFACTURING Co.,Ltd.

Registration number: Y2022520000054

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Granted publication date: 20190416

Pledgee: China Construction Bank Corporation Zunyi branch

Pledgor: GUIZHOU HANGRUI AVIATION PRECISION PARTS MANUFACTURING Co.,Ltd.

Registration number: Y2022520000054

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A quick locking device and its usage method

Granted publication date: 20190416

Pledgee: China Construction Bank Corporation Zunyi branch

Pledgor: GUIZHOU HANGRUI AVIATION PRECISION PARTS MANUFACTURING Co.,Ltd.

Registration number: Y2024520000009