CN105909661B - EMU skirtboard screw fastening - Google Patents
EMU skirtboard screw fastening Download PDFInfo
- Publication number
- CN105909661B CN105909661B CN201610500482.6A CN201610500482A CN105909661B CN 105909661 B CN105909661 B CN 105909661B CN 201610500482 A CN201610500482 A CN 201610500482A CN 105909661 B CN105909661 B CN 105909661B
- Authority
- CN
- China
- Prior art keywords
- rotor
- lock body
- lock
- lock core
- nut
- 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.)
- Active
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 102000011842 Serrate-Jagged Proteins Human genes 0.000 claims abstract description 4
- 108010036039 Serrate-Jagged Proteins Proteins 0.000 claims abstract description 4
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical group [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims description 18
- 238000009434 installation Methods 0.000 description 4
- 206010044565 Tremor Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 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
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/02—Construction details of vehicle bodies reducing air resistance by modifying contour ; Constructional features for fast vehicles sustaining sudden variations of atmospheric pressure, e.g. when crossing in tunnels
-
- 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
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
- F16B39/26—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object with spring washers fastened to the nut or bolt-head
-
- 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
- F16B39/28—Locking 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
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
A kind of EMU skirtboard screw fastening, including lock body, limit sleeve, rotor, lock core, spring, nut, pedestal, fixing seat；Wherein lock body is cylindrical sleeves, and outer surface is equipped with screw thread；Limit sleeve is that bottom end sets serrate torus, is fixed in lock body and matches with lock body；The cylindrical body of through-hole is equipped with centered on rotor, limit sleeve covers outside rotor, and rotor bottom end is equipped with the zigzag flange with limit sleeve jigsaw fit, and the direction of sawtooth be rotated in the clockwise direction rotor can only；Lock core is divide into upper part and lower part, and top is the cylinder to match with rotor bore and keyhole, and lower part is stud, and the cylinder on top is placed in rotor bore, and the stud of the lower part circular hole set by the lock body bottom surface stretches out；Spring pocket is outside lock core, between rotor bottom surface and lock body bottom surface；Fixing seat is installed on pedestal, the nut matched with lock core stud is equipped in the space formed therebetween；The present invention can fixed skirt, it is easy to operate, it is locking, it is highly-safe.
Description
Technical field
The present invention relates to a kind of lockset, in particular to a kind of screw fastening suitable on EMU skirtboard.
Background technique
Skirtboard is mounted in the baffle of train down either side position, and when train is when running at high speed, skirtboard can be used to reduce
The air-flow of car body two sides enters vehicle bottom, guides air-flow, reduces air drag；Each components in vehicle bottom are played simultaneously and blocks and protects
Effect.
It when EMU skirtboard is installed to Motor train unit body, needs to be firmly fixed on car body, while for the ease of seeing
It examines, check, some big components under maintenance car, skirtboard must also be opened easily from car body.
Summary of the invention
In order to solve problem above, the present invention provides a kind of structures to be simple and convenient to operate, can be locked skirtboard and
EMU skirtboard screw fastening with locking functions.
EMU skirtboard screw fastening of the present invention, including lock body, limit sleeve, rotor, lock core, spring, nut, pedestal,
Fixing seat；Wherein lock body is cylindrical sleeves, and outer surface is equipped with screw thread；Limit sleeve is that bottom end sets serrate torus, fixed
It is matched in lock body and with lock body；The cylindrical body of through-hole is equipped with centered on rotor, limit sleeve covers outside rotor, and rotor bottom end is equipped with
With the zigzag flange of limit sleeve jigsaw fit, the direction of sawtooth be rotated in the clockwise direction rotor can only；Lock core is divided into
Lower two parts, top are the cylinder to match with rotor bore and keyhole, and lower part is stud, and the cylinder on top is placed in rotor
In centre bore, the stud of the lower part circular hole set by the lock body bottom surface stretches out；Spring pocket is located at rotor bottom surface and lock body outside lock core
Between bottom surface；Fixing seat is installed on pedestal, the nut matched with lock core stud is equipped in the space formed therebetween.
When EMU skirtboard screw fastening of the present invention is installed, lock body is mounted on EMU skirtboard, pedestal is mounted on
In the skirtboard braced frame of car body, spring compression rotor causes the sawtooth of rotor lower end and limit sleeve lower end in the effect of elastic force
It tightly engages mutually down, limit sleeve and lock body are fastenedly connected therefore motionless, and rotor is merely able to side clockwise according to the direction of sawtooth
To rotation, screw fastening is tightened with keyhole alignment lock core；When key depresses rotor, the sawtooth of rotor lower end and limit sleeve lower end
Sawtooth disengage, the rotation of rotor at this time no longer constrains by sawtooth, can be rotated in an anti-clockwise direction, and realizes the release of screw fastening.
EMU skirtboard screw fastening of the present invention, structure are simple and convenient to operate, can achieve the work for the skirtboard that is locked
With, and the lock has locking functions in its natural state, security performance is high.
In order to reach better effect, EMU skirtboard screw fastening of the present invention can also be in the following ways:
1, limit sleeve outer surface and lock body inner surface are along the circumferential direction equipped with the groove to correspond to each other, and snap ring is placed in groove
Interior, limit sleeve and lock body are fixedly connected by snap ring and groove.Such safety of structure is high, it is not easy to loosen.
2, after the lock core stud and nut tightening, lock core square column upper surface is higher than lock body upper surface.Consequently facilitating quadrangle
Key alignment and switch screw fastening.
3, lock core square column upper surface is higher than lock body upper surface 1mm.To be not only convenient for switch screw fastening, and keep screw thread
It locks specious and lock core is avoided to scrape foreign object.
4, the nut is tetragonal nut, and the spatial form and tetragonal nut between the pedestal and fixing seat adapt to, quadrangle
Gap is equipped between the side and pedestal and fixing seat of nut.Its advantage is that tetragonal nut can be in laterally orthogonal two sides
To translation, so that the position of adjustable tetragonal nut facilitates the stud of lock core to match with tetragonal nut when screw fastening locking
It closes.
5, the gap size in the gap between the tetragonal nut side and pedestal and fixing seat, both direction differs.This
When sample lock core and tetragonal nut cooperate, it is easier to be aligned.
6, the cylinder on the lock core top is the square column to match with quadrangle keyhole.
7, the stud diameter of the lock core lower part is not less than 12mm.To meet the fixed intensity requirement of EMU skirtboard.
8, the positive stop lug boss matched with spring inside diameter is equipped between lock core top cylinder and lower part stud.To anti-
Only spring shakes in lock body.
9, the EMU skirtboard screw fastening further includes locking nut and butterfly gasket, lock body by external screw thread thereon and
Locking nut and butterfly gasket complete fastening.
Detailed description of the invention
Fig. 1 is the structure chart of EMU skirtboard screw fastening of the present invention.
Fig. 2 is structure chart when EMU skirtboard screw fastening of the present invention unclamps.
Structure chart when Fig. 3 is EMU skirtboard screw fastening of the present invention installation.
Fig. 4 is the structure chart of limit sleeve in Fig. 1.
Fig. 5 is the structure chart of rotor in Fig. 1.
Each piece number explanation in figure:
1- lock body；2- lock core；3- limit sleeve；4- rotor；5- spring；6- tetragonal nut；7- pedestal；8- fixing seat；9- tetra-
Angle key.
Specific embodiment
EMU skirtboard screw fastening of the present invention is described in detail in conjunction with Fig. 1 to Fig. 5.
As shown in Figure 1, EMU skirtboard screw fastening of the present invention, including lock body 1, limit sleeve 3, rotor 4, lock core 2, bullet
Spring 5, tetragonal nut 6, pedestal 7, fixing seat 8.
Lock body 1 is cylindrical sleeves, and outer surface is equipped with screw thread.
As shown in figure 4, limit sleeve 3 is that bottom end sets serrate torus, it is mounted in lock body 1 and is matched with lock body 1.Peace
Dress mode are as follows: 3 outer surface whole circumference direction of limit sleeve and 1 inner surface whole circumference direction of lock body are recessed equipped with corresponding to each other
Slot, snap ring are placed in groove, and limit sleeve 3 and lock body 1 are fixedly connected by snap ring and groove.Such safety of structure is high,
It is not easy to loosen.
As shown in figure 5, centered on rotor 4 be equipped with square through hole cylindrical body, 3 sets of limit sleeve outside rotor 4,4 bottom of rotor
End is equipped with the zigzag flange with 3 jigsaw fit of limit sleeve, and the direction of sawtooth be rotated in the clockwise direction rotor 4 can only.
Lock core 2 is divide into upper part and lower part, and top is square column, square column mouth size 8mm, square hole and quadrangle with 4 center of rotor
Keyhole matches, and square column is placed in 4 centre bore of rotor；Lower part is that diameter is not less than 12mm stud, and stud is from 1 bottom surface institute of lock body
If circular hole stretch out.5 sets of spring outside lock core 2, between 1 bottom surface of 4 bottom surface of rotor and lock body, are equipped between square column and stud
The positive stop lug boss to match with 5 internal diameter of spring, to prevent spring 5 from transverse shakiness occurs in lock body 1.
As shown in figure 3, being mounted on EMU skirt by its outer surface thread and locking nut and butterfly gasket with upper lock body 1
On plate.
Pedestal 7 is mounted in the skirtboard braced frame of car body, and fixing seat 8 is equipped on pedestal 7, forms one therebetween
Closed separate space, inside sets tetragonal nut 6, and the two shape is adapted.Four sides of tetragonal nut 6 and pedestal 7 and installation
Gap is equipped between seat 8, the gap in a direction is big, and the gap of other direction is small, so that tetragonal nut 6 laterally can mutually hang down
Straight both direction translation, to can adjust the position of tetragonal nut 6 when screw fastening is locked, facilitate lock core stud with
Tetragonal nut 6 cooperates, it is easier to capturing position.
1 installation site of lock body on EMU skirtboard and the installation site of skirtboard braced frame upper bed-plate 7 on car body are mutually fitted
It answers, spring 5 compresses rotor 4, and cause the sawtooth of 3 lower end of 4 lower end of rotor and limit sleeve to tightly engage mutually under the action of elastic force,
Limit sleeve 3 and lock body 1 be fastenedly connected therefore it is motionless, rotor 4 is merely able to rotationally clockwise according to the direction of sawtooth.The lock
After the stud and tetragonal nut 6 of core 2 are tightened, the square column upper surface of lock core 2 is higher than 1 upper surface 1mm of lock body, consequently facilitating quadrangle key
9 alignment of spoon and switch screw fastening.
As shown in Fig. 2, the sawtooth of 3 lower end of sawtooth and limit sleeve of 4 lower end of rotor is de- when quadrangle key 9 depresses rotor 4
It opens, the rotation of rotor 4 at this time is no longer constrained by sawtooth, can be rotated in an anti-clockwise direction, and realizes the release of screw fastening.
EMU skirtboard screw fastening of the present invention, structure are simple and convenient to operate, can achieve the work for the skirtboard that is locked
With, and the lock has locking functions in its natural state, security performance is high.
Claims (10)
1. a kind of EMU skirtboard screw fastening, it is characterised in that: including lock body, limit sleeve, rotor, lock core, spring, nut, bottom
Seat, fixing seat；Wherein lock body is cylindrical sleeves, and outer surface is equipped with screw thread；Limit sleeve sets serrate torus for bottom end, Gu
It is scheduled in lock body and is matched with lock body；The cylindrical body of through-hole is equipped with centered on rotor, limit sleeve covers outside rotor, and rotor bottom end is set
There is the zigzag flange with limit sleeve jigsaw fit, the direction of sawtooth be rotated in the clockwise direction rotor can only；Lock core is divided into
Upper and lower two parts, top are the cylinder to match with rotor bore and keyhole, and lower part is stud, and the cylinder on top, which is placed in, to be turned
In subcenter hole, the stud of the lower part circular hole set by the lock body bottom surface stretches out；Spring pocket is located at rotor bottom surface and lock outside lock core
Between body bottom surface；Fixing seat is installed on pedestal, the nut matched with lock core stud is equipped in the space formed therebetween.
2. EMU skirtboard screw fastening according to claim 1, it is characterised in that: limit sleeve outer surface and lock body inner surface are equal
It is along the circumferential direction equipped with the groove to correspond to each other, snap ring is placed in groove, and limit sleeve and lock body are consolidated by snap ring and groove
Fixed connection.
3. EMU skirtboard screw fastening according to claim 1 or claim 2, it is characterised in that: the lock core stud and nut tightening
Afterwards, lock core upper surface is higher than lock body upper surface.
4. EMU skirtboard screw fastening according to claim 1 or claim 2, it is characterised in that: lock core top cylinder and lower part
The positive stop lug boss matched with spring inside diameter is equipped between stud.
5. EMU skirtboard screw fastening according to claim 3, it is characterised in that: lock core square column upper surface is higher than table on lock body
Face 1mm.
6. EMU skirtboard screw fastening according to claim 1 or claim 2, it is characterised in that: the nut is tetragonal nut, described
Spatial form and tetragonal nut between pedestal and fixing seat adapt to, between being equipped between the side and pedestal and fixing seat of tetragonal nut
Gap.
7. EMU skirtboard screw fastening according to claim 6, it is characterised in that: the tetragonal nut side is with pedestal and admittedly
The gap size in the gap between reservation, both direction differs.
8. EMU skirtboard screw fastening according to claim 1 or claim 2, it is characterised in that: the cylinder on the lock core top be with
The square column that quadrangle keyhole matches.
9. the according to claim 1 or 2 or 5 EMU skirtboard screw fastenings, it is characterised in that: the stud of the lock core lower part is straight
Diameter is not less than 12mm.
10. the according to claim 1 or 2 or 5 EMU skirtboard screw fastenings, it is characterised in that: the EMU skirtboard screw thread
Lock further includes locking nut and butterfly gasket, and lock body completes fastening by external screw thread and locking nut thereon and butterfly gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610500482.6A CN105909661B (en) | 2016-06-30 | 2016-06-30 | EMU skirtboard screw fastening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610500482.6A CN105909661B (en) | 2016-06-30 | 2016-06-30 | EMU skirtboard screw fastening |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105909661A CN105909661A (en) | 2016-08-31 |
| CN105909661B true CN105909661B (en) | 2018-12-28 |
Family
ID=56753759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610500482.6A Active CN105909661B (en) | 2016-06-30 | 2016-06-30 | EMU skirtboard screw fastening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105909661B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481642B (en) * | 2016-12-08 | 2018-04-27 | 上海沪渝实业有限公司 | Anti-loose component and its installation method of being spirally connected |
| CN108266071B (en) * | 2017-12-12 | 2019-10-11 | 宁波生久柜锁有限公司 | Skirtboard screw fastening |
| CN111465545B (en) * | 2017-12-20 | 2022-08-30 | 西门子交通奥地利有限责任公司 | Decorative assembly for vehicle |
| CN108608851B (en) * | 2018-06-06 | 2024-07-23 | 博众精工科技股份有限公司 | Automobile battery locking mechanism |
| CN111364935B (en) * | 2018-12-25 | 2022-06-03 | 中国石油天然气股份有限公司 | Oil pumping equipment and oil pumping rod group under-pressure operation method |
| CN112178036B (en) * | 2020-09-28 | 2022-02-22 | 若宇检具股份有限公司 | Thread self-locking device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808552A (en) * | 2011-06-01 | 2012-12-05 | 青岛四方庞巴迪铁路运输设备有限公司 | Apron board lock of vehicle body underframe equipment cabin |
| US20160102477A1 (en) * | 2014-10-11 | 2016-04-14 | Henry Allen Adams, IV | Door security apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4715756A (en) * | 1984-07-30 | 1987-12-29 | Trw Inc. | Nut and washer assembly |
| US20140348609A1 (en) * | 2013-05-24 | 2014-11-27 | Perfect Power Technology Co., Ltd. | Fastening assembly |
| CN204899496U (en) * | 2015-06-01 | 2015-12-23 | 青岛四方庞巴迪铁路运输设备有限公司 | Locking device of automobile body chassis equipment compartment skirtboard |
| CN205806191U (en) * | 2016-06-30 | 2016-12-14 | 青岛鸿裕吉轨道交通装备有限公司 | EMUs skirtboard screw fastening |
-
2016
- 2016-06-30 CN CN201610500482.6A patent/CN105909661B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808552A (en) * | 2011-06-01 | 2012-12-05 | 青岛四方庞巴迪铁路运输设备有限公司 | Apron board lock of vehicle body underframe equipment cabin |
| US20160102477A1 (en) * | 2014-10-11 | 2016-04-14 | Henry Allen Adams, IV | Door security apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105909661A (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105909661B (en) | EMU skirtboard screw fastening | |
| CN205841435U (en) | The hilllock stone special T-bolt of industry die bottom plate | |
| CN205806191U (en) | EMUs skirtboard screw fastening | |
| CN104314945B (en) | A kind of locking quick-detachable lock | |
| CN201547109U (en) | Combined multifunctional anti-theft anti-loose fastener | |
| CN201460510U (en) | Multifunctional anti-theft bolt lock device | |
| CN103437925A (en) | Novel self-rotation anti-theft oil tank cover | |
| CN204357224U (en) | Turning-bolt lock | |
| CN209278304U (en) | A kind of bolt of anti-back button | |
| RU131680U1 (en) | ACCESS LOCKING ASSEMBLY ASSEMBLY ASSEMBLY | |
| CN208089739U (en) | A kind of bolt assembly and gearbox | |
| CN208123828U (en) | A kind of camera base | |
| CN206368612U (en) | Concealed sliding catch | |
| CN104653415B (en) | Anti-locking screw mechanism and locking device for rotating part of wind driven generator | |
| CN102619848A (en) | Dismountable locking nut | |
| CN109826857B (en) | Quick-release lock and cabin using same | |
| CN210440148U (en) | Mechanical locking servomotor screw safety lock | |
| CN204402774U (en) | The screw mechanism of anti-locking and wind-driven generator revolution part locking device | |
| CN212131016U (en) | Anti-loosening fastening device for bolt | |
| CN207740309U (en) | Quick-detachable lock and nacelle with the quick-detachable lock | |
| CN208651612U (en) | Manhole cover limit sealing structure on harmful influence transport vehicle tank body | |
| CN205533713U (en) | Can locking nut that can prevent burglary again | |
| CN204899496U (en) | Locking device of automobile body chassis equipment compartment skirtboard | |
| CN204164479U (en) | A kind of valve opening locking device | |
| CN218569978U (en) | Motor easy to assemble |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |