CN106761059A - The band PUSH anti-water driving devices of structural integrity formula - Google Patents
The band PUSH anti-water driving devices of structural integrity formula Download PDFInfo
- Publication number
- CN106761059A CN106761059A CN201611235288.6A CN201611235288A CN106761059A CN 106761059 A CN106761059 A CN 106761059A CN 201611235288 A CN201611235288 A CN 201611235288A CN 106761059 A CN106761059 A CN 106761059A
- Authority
- CN
- China
- Prior art keywords
- drive pin
- rotation drive
- shell
- sliding block
- structural integrity
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
- E05B83/28—Locks for glove compartments, console boxes, fuel inlet covers or the like
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/34—Protection against weather or dirt, e.g. against water ingress
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
- E05B81/04—Electrical
- E05B81/06—Electrical using rotary motors
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- Transmission Devices (AREA)
Abstract
The invention discloses the band PUSH anti-water driving devices of structural integrity formula, shell including rotation drive pin and sealing, sliding block is installed in the shell, stretch into and be formed between shell inner cavity and shell and sliding block locking unlocking structure in described rotation drive pin one end, when the rotation drive pin two ends replace stress axial movement, rotation drive pin is made circumferential movement by the guiding of locking unlocking structure, also being connected with the rotation drive pin is prevented from rotating the latch that drive pin is rotated, and the latch is driven by motor.Whole driver functions are complete, and appearance and size is small, good waterproof performance, long service life.
Description
Technical field
The present invention relates to motor vehicle refill opening gate lock technology field, in particular to the band PUSH anti-water-drivens of structural integrity formula
Device.
Background technology
With the development of automobile industry, the various functions of automobile also develop constantly.Such as oil filler door lock is exactly such as
This, directly sets lock, finally manual wire-drawing type, then electronic unblock finally since most in fuel tank cap.Its it is electronic plus
All there is a very big defect in hydraulic fluid port door lock, that is, water proofing property and dust tightness rank are too low, which results in inside parts
Easy backwater and dust stratification, part easily fail.
The content of the invention
The purpose of the present invention proposes that one kind is multiple functional aiming at the deficiencies in the prior art, and appearance and size is small, water proofing property
It is good, the band PUSH anti-water driving devices of structural integrity formula of long service life.
To achieve these goals, the band PUSH anti-water driving devices of structural integrity formula designed by the present invention, its special character
It is：Shell including rotation drive pin and sealing, is provided with sliding block in the shell, described rotation drive pin one end is stretched into outer
Locking unlocking structure is formed between shell inner chamber and shell and sliding block, PUSH-PUSH structures, the rotation drive pin two is also called
When end replaces stress axial movement, rotation drive pin is made circumferential movement, the rotation drive pin by the guiding of locking unlocking structure
On be also connected with prevent rotate drive pin rotate latch, the latch by motor drive.
Further, it is provided with spring between described rotation drive pin one end and outer casing bottom.It is main to cause to rotate transfer
Pin can be constantly subjected to upward power, it is ensured that PUSH functions are achieved.
Further, the locking unlocking structure is specially：Convex tendon is provided with the circumference of described drive pin one end, institute
It is symmetrical helicoid to state convex tendon upper and lower surface, and wherein convex tendon lower surface is right helicoid, and the bottom of shell inner cavity is circumferentially
Multiple helicoid boss coordinated with convex tendon lower surface are arranged at intervals with, the sliding block is socketed in rotation drive pin one end, described
Sliding block boss and the chute coordinated with convex tendon are arranged alternately in sliding block, the chute and sliding block convex tendon on same circumference, institute
It is the continuous two sections helicoids coordinated with convex tendon upper surface to state sliding block boss lower surface.The advantage of this structure is will be most simple
Threaded engagement structure apply on door latch structure, Stability Analysis of Structures, function is easily realized.Lower helicoid and shell in drive pin
Helicoid coordinate, due to being threaded engagement, when drive pin is forced downwards, drive pin rotation, when drive pin convex tendon touch
After bottom, stop applying power, drive pin is subject to upward power, the upper helicoid of drive pin and the spiral shell of sliding block under the action of the spring
Radial facing produces threaded engagement, further rotates.When drive pin convex tendon and boss lower surface the first rank helicoid and second-order spiral
When the step in face is contacted, drive pin stops operating.PUSH-PUSH structure lockings.The outer casing inner wall is provided with the spacing of radial direction
Post, the sliding block outer wall is provided with the mounting groove coordinated with limited post.Oil filler door lock only needs to drive pin can be rotated, other
Part does not allow to rotate.So setting two limited posts on sliding block, two stopper slots are set on shell.Limited post with it is spacing
Groove coordinates, and sliding block is able to spacing, it is impossible to rotate.
Yet further, the convex tendon is provided with 3, is distributed in the rotation same circumference of drive pin；The helicoid is convex
Platform is provided with 6, is equally spaced；The sliding block boss and chute are provided with 3.This mechanism often rotates 120 ° of work one
Individual circulation, rotates 60 ° of work half cycles.Such structure causes that the stroke for rotating drive pin axial direction will not be very big, is conducive to
The arrangement of part.
Yet further, the rotation drive pin other end is provided with the lock groove coordinated with latch, and the motor is defeated
Cam is installed, the latch is arranged on cam on shaft.This structure is enabled to after PUSH-PUSH structure lockings,
Whole oil filler door lock can not be unlocked.So that PUSH-PUSH and locking structure combine together.Specific implementation is：Electricity
By gear structure, with gear, two gears are engaged cam machine rotary shaft end.After PUSH-PUSH lockings, motor leads to
Electricity rotation, and then band moving cam rotation.Cam driven latch is moved along a straight line.Latch puts in the lock groove of drive pin.
At this moment, drive pin is pressed again, and spacing due to latch, drive pin can not be moved again.Whole oil filler door lock is locked out.
Yet further, the outer casing bottom is provided with the spring mounting seat of projection, and described rotation drive pin one end is set
There is spring mounting hole, spring installation base is provided with the spring mounting hole.The spring mounting seat and drive pin of enclosure
Interior spring installation base, the position to spring limits, so that PUSH-PUSH structures will not be subject to horizontal power,
Make the two pieces life-span longer.
Yet further, the shell includes housing and cover plate, and the rotation drive pin passes through cover plate, stretches into housing,
And junction is provided with sealing ring between the rotation drive pin and cover plate.The advantage of this structure is the water resistance for causing part
It is greatly improved.Sealing ring is combined together by the quadric injection mould and cover plate of flexible glue, and good sealing effect, structure is tight
Gather.
Yet further, described rotation drive pin other end termination is spline structure.This structure is with corresponding with key
The locking hole of groove coordinates.Traditional locking structure is triangle, and the stress of triangle is main on three cusps, increased structure
Unstability.And the stress of spline structure is on three splines, stress surface is big, and structural life-time is long.
The advantage of the invention is that：PUSH-PUSH structures and locking structure are designed as integral type, and compact conformation,
There is critically important influence for arrangement and cost control.And good airproof performance, classification of waterproof is high, for the life-span of part
Extension has very important influence.
Brief description of the drawings
Fig. 1 is explosive view of the invention.
Fig. 2 is shell mechanism schematic diagram.
Fig. 3 is slide block structure schematic diagram.
Fig. 4 is rotation drive pin top perspective view.
Fig. 5 is rotation drive pin face upwarding stereogram.
Fig. 6 is rotation drive pin and external component attachment structure explosive view.
Fig. 7 is rotation drive pin and external component attachment structure schematic diagram.
In figure：Rotation drive pin 1, convex tendon 1.1, lock groove 1.2, spring mounting hole 1.3, spline structure 1.4, the first spline
1.41, the second spline 1.42, the 3rd spline 1.43, sealing ring 2, spring installation base 3, sliding block 4, sliding block boss 4.1, the first rank
Helicoid 4.11, second-order helicoid 4.12, chute 4.2, mounting groove 4.3, spring 5, shell 6, helicoid boss 6.1 is spacing
Post 6.2, spring mounting seat 6.3, locking hole 7, the first keyway 7.1, the second keyway 7.2, key-groove 7.3, locking platform 7.4, lock
Stops 8, cam 9, support 10, motor 11, jack assemblies 12, inserted sheet 13, jack assemblies fluid sealant 14.
Specific embodiment
The present invention is described in further detail with instantiation below in conjunction with the accompanying drawings：
The band PUSH anti-water driving devices of structural integrity formula, including rotation drive pin 1 and the shell 6 of sealing, are provided with the shell 6
Sliding block 4, rotation drive pin 1 one end is stretched into and locking unlocking structure is formed between the inner chamber of shell 6 and shell 6 and sliding block 4, is also called
PUSH-PUSH structures, when rotation drive pin two ends replace stress axial movement, rotation drive pin 1 is drawn by locking unlocking structure
Lead and make circumferential movement, being also connected with the rotation drive pin 1 prevents from rotating the latch 8 that drive pin 1 is rotated, the lock
Stops 8 is driven by motor 11.Jack assemblies 12, inserted sheet 13 and jack assemblies fluid sealant 14 are additionally provided with shell 6, inserted sheet 13 is embedding
Inside jack assemblies 12, jack assemblies fluid sealant 14 is flexible glue, is combined as a whole with jack assemblies 12 by quadric injection mould for modeling.
Jack assemblies 12, inserted sheet 13 and the three of jack assemblies fluid sealant 14 actually integrative-structure, this Standard on shell 6, with
Plug-in unit is connected so that motor 11 is powered.Rotation drive pin 1, sliding block 4 and shell 6 are arranged concentrically.
Wherein, it is provided with spring 5 between rotation one end of drive pin 1 and the bottom of shell 6.Locking unlocking structure is specially：Rotation
Convex tendon 1.1 is provided with the circumference for turning the one end of drive pin 1, the upper and lower surface of the convex tendon 1.1 is symmetrical helicoid, wherein convex tendon
1.1 lower surfaces are right helicoid, and the intracavity bottom of the shell 6 is circumferentially spaced to be provided with the cooperation of the multiple and lower surface of convex tendon 1.1
Helicoid boss 6.1, the sliding block 4 is socketed in rotation drive pin 1 one end, sliding block boss has been arranged alternately in the sliding block 4
4.1 and the chute 4.2 that coordinates with convex tendon 1.1, the chute 4.2 and sliding block boss 4.1 on same circumference, the sliding block boss
4.1 lower surfaces are the continuous two sections helicoids coordinated with the upper surface of convex tendon 1.1.The advantage of this structure is by simplest spiral shell
Rotation fit structure is applied on door latch structure, and Stability Analysis of Structures, function is easily realized.Lower helicoid in rotation drive pin 1 and outer
The helicoid of shell 6 coordinates, and due to being threaded engagement, when rotation drive pin 1 is forced downwards, rotation drive pin 1 rotates, when
After the convex tendon 1.1 of rotation drive pin 1 is bottomed out, stop applying power, drive pin 1 is rotated in the presence of spring 5 and is subject to upward
Power, the helicoid of the upper helicoid and sliding block 4 that rotate drive pin 1 produces threaded engagement, further rotates.When rotation drive pin 1
Convex tendon 1.1 when being contacted with the step of the first rank of the lower surface helicoid 4.11 of sliding block boss 4.1 and second-order helicoid 4.12, rotation
Turn drive pin 1 to stop operating.PUSH-PUSH structure lockings.The inwall of shell 6 is provided with the limited post 6.2 of radial direction, the outer wall of sliding block 4
It is provided with the mounting groove 4.3 coordinated with limited post 6.2.Oil filler door lock only needs to drive pin can be rotated, and other parts are not permitted
Perhaps rotate.Two limited posts 6.2 are set on sliding block 4, two mounting grooves 4.3 are correspondingly arranged on shell 6, sliding block 4 is limited
Position, it is impossible to rotate.
Convex tendon 1.1 is provided with 3, is distributed in the rotation same circumference of drive pin 1；Helicoid boss 6.1 is provided with 6,
It is equally spaced；Sliding block boss 4.1 and chute 4.2 are provided with 3.This mechanism often rotates 120 ° of work, one circulation, rotation
Turn 60 ° of work half cycles.Such structure causes that the stroke of drive pin axial direction will not be very big, is conducive to the arrangement of part.
The rotation other end of drive pin 1 is provided with the lock groove 1.2 coordinated with latch 8, by branch on the output shaft of motor 11
Frame 10 is provided with cam 9, and latch 8 is arranged on cam 9.This structure is enabled to after PUSH-PUSH structure lockings, entirely
Oil filler door lock can not be unlocked.So that PUSH-PUSH and locking structure combine together.Specific implementation is：Motor 11
By gear structure, with gear, two gears are engaged cam 9 rotary shaft end.After PUSH-PUSH lockings, motor 11
Be powered rotation, and then band moving cam 9 rotates.Cam 9 drives latch 8 to be moved along a straight line.Latch 8 puts in the lock of drive pin
Only groove 1.2.At this moment, rotation drive pin 1 is pressed again, and spacing due to latch 8, rotation drive pin 1 can not be moved again.Entirely
Oil filler door lock is locked out.
The bottom of shell 6 is provided with the spring mounting seat 6.3 of projection, and rotation drive pin 1 one end is provided with spring mounting hole
1.3, it is provided with spring installation base 3 in spring mounting hole 1.3.The bullet in spring mounting seat 6.3 and drive pin inside shell 6
Spring installation base 3, the position to spring 5 limits, so that PUSH-PUSH structures will not be subject to horizontal power, make two
The part life-span is longer.
In order to improve the water resistance of part, shell 6 includes housing 6.1 and cover plate 6.2, and rotation drive pin 1 passes through cover plate
6.2 stretch into housing 6.1, and junction is provided with sealing ring 2 between the rotation drive pin 1 and cover plate.Sealing ring is by soft
The quadric injection mould and cover plate of glue combine together, good sealing effect, compact conformation.
It is spline structure 1.4 to rotate the other end termination of drive pin 1.This structure is matched somebody with somebody with the corresponding locking hole with keyway
Close.Traditional locking structure is triangle, and the stress of triangle is main on three cusps, increased the unstability of structure.
And the stress of spline structure is on three splines, stress surface is big, and structural life-time is long.
The course of work of the invention is as follows：After rotation drive pin 1 is stressed, convex tendon 1.1 and the helicoid of helicoid boss 6.1
Contact, due to being dislocation helicoid, rotates rotation drive pin 1, after the lower helicoid of convex tendon 1.1 is bottomed out, stops to rotation
Turn drive pin pin 1 to exert a force, in the presence of the power of spring 5, rotary drive pin 1 is moved upwards, at this moment helicoid and cunning on convex tendon 1.1
The step contact of the first rank helicoid 1.11 and second-order helicoid 4.12 of block boss 4.1, rotary drive pin 1 enters locking position
Put.Motor 11 rotates with moving cam 9, and then drives latch 8 to put in the lock groove 1.2 of rotation drive pin, whole driver
Locking.
Motor 11 is inverted, and latch 8 is exited from lock groove 1.2.Rotation drive pin 1 is pressed again, and rotary drive pin 1 is downward
Motion, 1.1 times helicoids of convex tendon of rotary drive pin 1 are contacted with the helicoid boss 6.1 of shell, due to being dislocation helicoid,
Rotation drive pin 1 is rotated, after the lower helicoid of convex tendon 1.1 is bottomed out, stops exerting a force rotation drive pin 1, in the power of spring 5
In the presence of, rotary drive pin 1 is moved upwards.At this moment on convex tendon 1.1 helicoid and sliding block boss 4.1 second-order helicoid
4.12 contacts, due to being dislocation spiral so that the convex tendon 1.1 of rotation drive pin enters chute 4.2, whole driver unblock.
Entirely oil filler door lock is with the engagement process of exterior part：External component needs to coordinate with rotation drive pin 1, makes
Part is obtained to be able to open, close and locking.There is spline structure 1.4 in rotation drive pin 1, external component is matched somebody with somebody with rotation drive pin
Locking hole 7 is provided with conjunction, wherein, the spline structure 1.4 in rotation drive pin 1 is the uniform key of three circumferences, in locking hole 7
Locking platform 7.4 circumferentially is provided with aperture, matching spline structure 1.4 is provided with spline on locking platform 7.4.Flower
Bond structure 1.4 is applied to all of oil filler door lock with the structure that locking hole 7 coordinates.As shown in fig. 7, being cost-effective, locking
The top half hole wall of the corresponding locking hole 7 of platform 7.4 can remove.As shown in fig. 6, to rotate freedom during 1 non-locking of drive pin
State.Locking hole 7 is moved downward, and the spline structure 1.4 for rotating drive pin is put in the keyway of locking hole 7.Corresponding is first
Spline 1.41 puts in the first keyway 7.1, and the second spline 1.42 puts in the second keyway 7.2, and the 3rd spline 1.43 puts in key-groove
7.3.When the upper surface for rotating drive pin 1 is fitted with the inner top surface of locking hole 7, as locking hole continues to move downward, rotation is passed
Send pin 1 forced downwards, and start rotation.When rotation drive pin rotates 60 °, it is impossible to be further continued for moving downward.At this moment revolve
End face of the lower surface just with the inner convex platform of locking hole 7 for turning the spline structure 1.4 of drive pin is fitted, and rotation drive pin 1 is limited,
And then be locked out.
Apply downward power to locking hole 7 again, rotation is started after the rotation stress of drive pin 1, when drive pin rotates 60 °
When, it is impossible to move still further below.Now, the spline structure 1.4 of rotation drive pin 1 is with the keyway position of locking hole 7：First spline
1.41 in the second keyway 7.2, and in key-groove 7.3, the 3rd spline 1.43 is in the first keyway 7.1 for the second spline 1.42.
At this moment rotation drive pin 1 is unlocked.
As can be seen that this mechanism often rotates 120 ° of work, one circulation, 60 ° of work half cycles are rotated.Such knot
Structure causes that the stroke of drive pin axial direction will not be very big, is conducive to the arrangement of part.
PUSH-PUSH structures and locking structure are designed as integral type, and compact conformation by the present invention, for arrangement
There is critically important influence with cost control.And good airproof performance, classification of waterproof is high, has act foot for the life-time dilatation of part
The influence of weight.
Claims (8)
1. with the PUSH anti-water driving devices of structural integrity formula, it is characterised in that：Including rotation drive pin（1）With the shell of sealing（6）,
The shell（6）Sliding block is inside installed（4）, the rotation drive pin（1）Stretch into shell in one end（6）Inner chamber and shell（6）And cunning
Block（4）Between be formed with locking unlocking structure, when the rotation drive pin two ends replace stress and are axially moved, rotate drive pin
（1）Made circumferential movement, the rotation drive pin by the guiding of locking unlocking structure（1）On be also connected with prevent rotation transmit
Pin（1）The latch of rotation（8）, the latch（8）By motor（11）Drive.
2. according to claim 1 with the PUSH anti-water driving devices of structural integrity formula, it is characterised in that：The rotation drive pin
（1）One end and shell（6）Spring is provided between bottom（5）.
3. according to claim 2 with the PUSH anti-water driving devices of structural integrity formula, it is characterised in that：The locking unblock knot
Structure is specially：The rotation drive pin（1）Convex tendon is provided with the circumference of one end（1.1）, the convex tendon（1.1）Upper and lower surface is
Symmetrical helicoid, wherein convex tendon（1.1）Lower surface is right helicoid, the shell（6）The circumferentially spaced setting of intracavity bottom
There is multiple and convex tendon（1.1）The helicoid boss that lower surface coordinates（6.1）, the sliding block（4）It is socketed in rotation drive pin（1）One
End, the sliding block（4）Inside it has been arranged alternately sliding block boss（4.1）And with convex tendon（1.1）The chute of cooperation（4.2）, the chute
（4.2）With sliding block boss（4.1）On same circumference, the sliding block boss（4.1）Lower surface is continuous two sections and convex tendon
（1.1）The helicoid that upper surface coordinates, the shell（6）Inwall is provided with the limited post of radial direction（6.2）, the sliding block（4）Outward
Wall is provided with and limited post（6.2）The mounting groove of cooperation（4.3）.
4. according to claim 3 with the PUSH anti-water driving devices of structural integrity formula, it is characterised in that：The convex tendon（1.1）
3 are provided with, rotation drive pin is distributed on（1）In same circumference；The helicoid boss（6.1）It is provided with 6, equidistant cloth
Put；The sliding block boss（4.1）And chute（4.2）It is provided with 3.
5. according to claim 4 with the PUSH anti-water driving devices of structural integrity formula, it is characterised in that：The rotation drive pin
（1）The other end is provided with and latch（8）The lock groove of cooperation（1.2）, the motor（11）Cam is installed on output shaft
（9）, the latch（8）It is arranged on cam（9）On.
6. according to claim 5 with the PUSH anti-water driving devices of structural integrity formula, it is characterised in that：The shell（6）Bottom
Portion is provided with the spring mounting seat of projection（6.3）, the rotation drive pin（1）One end is provided with spring mounting hole（1.3）, it is described
Spring mounting hole（1.3）Inside it is provided with spring installation base（3）.
7. according to claim 6 with the PUSH anti-water driving devices of structural integrity formula, it is characterised in that：The shell（6）Bag
Include housing（6.1）And cover plate（6.2）, the rotation drive pin（1）Through cover plate（6.2）Stretch into housing（6.1）It is interior, and the rotation
Turn drive pin（1）Junction is provided with sealing ring between cover plate（2）.
8. according to claim 7 with the PUSH anti-water driving devices of structural integrity formula, it is characterised in that：Described rotation transmission
Pin（1）Other end termination is spline structure（1.4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611235288.6A CN106761059A (en) | 2016-12-28 | 2016-12-28 | The band PUSH anti-water driving devices of structural integrity formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611235288.6A CN106761059A (en) | 2016-12-28 | 2016-12-28 | The band PUSH anti-water driving devices of structural integrity formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106761059A true CN106761059A (en) | 2017-05-31 |
Family
ID=58924591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611235288.6A Pending CN106761059A (en) | 2016-12-28 | 2016-12-28 | The band PUSH anti-water driving devices of structural integrity formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761059A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021851A (en) * | 2019-12-27 | 2020-04-17 | 曹苗丹 | Novel locking device |
| CN113914728A (en) * | 2021-09-09 | 2022-01-11 | 上海钇宏信息科技有限公司 | Push type lock catch with locking mechanism |
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| CN201291759Y (en) * | 2008-08-20 | 2009-08-19 | 隆鑫工业有限公司 | Cap of fuel tank |
| CN202249311U (en) * | 2011-08-31 | 2012-05-30 | 长城汽车股份有限公司 | Vehicle oil tank door lock |
| CN202417071U (en) * | 2011-10-26 | 2012-09-05 | 宁志高 | Pressing lock |
| CN102979376A (en) * | 2012-10-18 | 2013-03-20 | 孙新利 | Improved structure for driving device of electric lock |
| CN104863429A (en) * | 2015-04-27 | 2015-08-26 | 海汽电子技术芜湖股份有限公司 | Lid locking device |
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|---|---|---|---|---|
| DE102007043991A1 (en) * | 2007-09-14 | 2009-04-02 | Magna Steyr Fuel Systems Gmbh | Fuel tank cap for motor vehicle, has internal thread with thread turn provided with recesses forming scraping edges effective in screwing and/or unscrewing direction, where recesses are distributed over periphery of thread |
| CN101337502A (en) * | 2008-08-20 | 2009-01-07 | 隆鑫工业有限公司 | Fuel tank cap |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021851A (en) * | 2019-12-27 | 2020-04-17 | 曹苗丹 | Novel locking device |
| CN113914728A (en) * | 2021-09-09 | 2022-01-11 | 上海钇宏信息科技有限公司 | Push type lock catch with locking mechanism |
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Application publication date: 20170531 |