CN107878729A - A kind of propeller component and unmanned plane - Google Patents
A kind of propeller component and unmanned plane Download PDFInfo
- Publication number
- CN107878729A CN107878729A CN201711144895.6A CN201711144895A CN107878729A CN 107878729 A CN107878729 A CN 107878729A CN 201711144895 A CN201711144895 A CN 201711144895A CN 107878729 A CN107878729 A CN 107878729A
- Authority
- CN
- China
- Prior art keywords
- blade
- ratchet
- propeller
- moving block
- locking
- 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
Links
- 230000006835 compression Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims abstract description 7
- 210000003205 muscle Anatomy 0.000 claims description 30
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/02—Hub construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/02—Hub construction
- B64C11/04—Blade mountings
- B64C11/08—Blade mountings for non-adjustable blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/13—Propulsion using external fans or propellers
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Toys (AREA)
Abstract
The present invention proposes a kind of propeller component, including spinner, moving block, blade and the propeller bracket that can be fixedly connected with motor, the spinner is fixedly connected with the blade, elastic component is provided between the spinner and the moving block, the moving block is inserted into the blade, the propeller bracket is inserted into the blade relative can move up and down between the blade, after compression, moving block does downward helical rotation in blade, and the locked component to moving block locking is provided between the tumbler and the propeller bracket.Solve existing for propeller component of the prior art that self-locking or demounting procedure are cumbersome by the present invention, unhandy problem.
Description
Technical field
The present invention relates to the improvement of a kind of propeller component and unmanned plane structure.
Background technology
In recent years, consumption-orientation unmanned plane market gets prosperous with every passing day, due to consumption-orientation unmanned plane towards crowd's difference of technology level
It is larger, it is desirable to which that consumption-orientation unmanned plane is operationally as far as possible simple;By taking unmanned plane propeller as an example, need to pacify when in use
Dress, when not in use and can dismounting;If propeller can realize fast assembling-disassembling when in use, consumer will be largely facilitated,
Blade mounting means some in the market makes to be screwed, and dismounting inconvenience, some Quick Release blades need first to press, then
Rotation could pin, and be also to need first to press during dismounting, and then rotating can just remove, self-locking disassembling section complex steps, grasp
Make the problem of inconvenient.
The content of the invention
The present invention provides a kind of propeller component, solves self-locking existing for propeller component of the prior art or dismounting step
Rapid cumbersome, unhandy problem.
To reach the purpose for solving above-mentioned technical problem, the present invention uses following technology using proposed propeller component
Scheme is achieved:
A kind of propeller component, including spinner, moving block, blade and the propeller bracket that can be fixedly connected with motor, the oar
Cap is fixedly connected with the blade, and elastic component is provided between the spinner and the moving block, and the moving block is inserted into
In the blade, the propeller bracket is inserted into the blade relative can move up and down between the blade, be pressurized
Afterwards, moving block does downward helical rotation in blade, is provided between the tumbler and the propeller bracket to rotating
The locked component of block locking.
The present invention also proposes a kind of unmanned plane, including motor, in addition to the propeller component described in above-mentioned technical proposal,
The propeller bracket is fixedly connected with the motor.
Present invention additionally comprises following additional technical feature:
Further, the moving block includes rotating cap and the hollow block being arranged on below the rotating cap, described hollow
Block bottom is circumferentially provided with multiple ratchets along it, is correspondingly arranged on a latch segment every a ratchet, the latch segment is set
On the madial wall of the ratchet of corresponding side.
Further, be provided with mounting hole in the blade, the mounting hole inner circumferential be surrounded with can with it is described
The blade ratchet of ratchet adaptation, formed with sliding groove between two adjacent blade ratchets.
Further, the moving block is inserted into the mounting hole of the blade and is pressed on the oar by the ratchet
On leaf ratchet, after compression, top surface of the ratchet along the blade ratchet, which is spinned, to move.
Further, the propeller bracket includes rack body and along the circumferentially disposed slip muscle of rack body, institute
State slip muscle to be inserted into the sliding groove, the top surface for sliding muscle is formed by the first inclined plane and the second inclined plane, described
First inclined plane is resisted against the bottom of the ratchet adjacent with the ratchet of blade ratchet cooperation.
Further, the locked component includes the latch segment being arranged on the ratchet inner arm and is arranged on the support
Lock on body, the lock are arranged on the top of the slip muscle and set with the slip muscle position correspondence, the lock
The first locking face is provided with tight block, is provided with the second locking face on the lock, during locking, the lock passes through the second locking
Face pressure is located at the locking realized on first locking face to the tumbler.
Further, first locking face, the second locking face are inclined plane.
Advantages below and good effect be present in the present invention:
The present invention proposes a kind of propeller component, including spinner, moving block, blade and the propeller branch that can be fixedly connected with motor
Frame, the spinner are fixedly connected with the blade, and elastic component, the rotation are provided between the spinner and the moving block
Block is inserted into the blade, and the propeller bracket, which is inserted into the blade between the blade, to be transported up and down relatively
Dynamic, after compression, moving block does downward helical rotation in blade, is set between the tumbler and the propeller bracket
There is the locked component to moving block locking.By the propeller component in the present invention, rotation can be made after pressing active force is applied
Block is spinned downward rotation in blade, and moving block is locked by locked component after certain position is turned to, realize from
Lock, if it is desired to propeller component is dismantled, can be by pressing spinner again, transmitting forces make moving block along blade to moving block
To spin and move downward again, the locked component for making to be arranged between tumbler and blade support releases self-locking, and dismounting can be achieved,
It is simple to operate, it is only necessary to which that simple dismounting or locking once can be achieved in pressing.
Brief description of the drawings
Fig. 1 is the structure decomposition figure of propeller component of the present invention;
Fig. 2 is the fit structure schematic diagram of blade of the present invention and moving block
Fig. 3 is the sectional view of blade of the present invention;
Fig. 4 is the structural representation of moving block of the present invention;
Fig. 5 is the structure chart that propeller bracket of the present invention coordinates with motor;
Fig. 6 is the original state schematic diagram one of propeller component of the present invention
Fig. 7 is propeller component operating state schematic diagram two of the present invention;
Fig. 8 is propeller component operating state schematic diagram three of the present invention
Fig. 9 is propeller component operating state schematic diagram four of the present invention;
Figure 10 is propeller component operating state schematic diagram five of the present invention;
Figure 11 is propeller component operating state schematic diagram six of the present invention.
Embodiment
Technical scheme is described in further detail with reference to the accompanying drawings and detailed description, the present invention
A kind of embodiment of propeller component is proposed, shown in reference picture 1- Figure 11, including spinner 1, moving block 2, blade 3 and can be with motor
4 propeller brackets 5 being fixedly connected, when being assembled, propeller bracket 5 assembled between blade 3 after the completion of and motor 4
It is fixedly connected, moving block 2 is inserted into the blade 3, and elastic component 6 is provided between spinner 1 and moving block 2, by elastic component 6
It is arranged on the top of moving block 2 and is pressed on moving block 2, it is preferred that the elastic component 6 in the present embodiment is spring, and spinner 1 covers
Entirety after sheltering from elastic component 6 and moving block 2 is pressed on elastic component 6 to be fixedly connected by screw with blade 3.
The propeller bracket 5 is inserted into the blade 3 relative can move up and down between the blade 3, moving block 2
Downward helical rotation can be done in blade 3 when being under pressure, rotation can then make moving block as long as moving block 2 is spinned after being pressurized
2 relative to the change in location between blade 3, finally by the locked component 7 turned between moving block 2 and propeller bracket 5
Realize and be locked during opening position;
It is by the structure in moving block 2 and blade 3 that moving block 2 in the present embodiment does downward screw after being pressurized
With realization is arranged on, specifically:The moving block 2 includes rotating cap 21 and is arranged on the hollow of the lower section of rotating cap 21
Block 22, it is preferred that hollow block 22 is circular block, and elastic component 6 is pressed on rotating cap 21 that transmitting forces are to hollow block 22, in institute
State the bottom of hollow block 22 and be circumferentially provided with multiple ratchets 23 along it, it is preferred that 6 ratchets 23 are provided with the present embodiment.Enter one
Step, mounting hole 31 is provided with the blade 3, being surrounded with the inner circumferential of mounting hole 31 can be suitable with the ratchet 23
The blade ratchet 32 matched somebody with somebody, formed with sliding groove 33 between two adjacent blade ratchets 32, it is preferred that blade ratchet 32 is set
3.
Further, the propeller bracket 5 includes rack body 51 and along the circumferentially disposed slip of rack body 51
Muscle 52, it is preferred that slide muscle 52 and set 3, the slip muscle 52 is inserted into the sliding groove 33, by sliding muscle 52 and sliding
The cooperation of dynamic groove 33, realizes the connection between propeller bracket 5 and blade 3, making can be upper and lower between propeller bracket 5 and blade 3
Relative to slide but relatively unrotatable, the top surface for sliding muscle 52 is formed by the first inclined plane 521 and the second inclined plane 522,
First inclined plane 521 is resisted against the bottom of the ratchet 23 adjacent with the ratchet 23 of the cooperation of blade ratchet 32.
When coordinating, 6 ratchets 23 of moving block 2, wherein there is 3 ratchets 23 to coordinate with 3 blade ratchets 32, in addition 3
First inclined plane 521 of individual ratchet 23 and the slip muscle 52 set between two adjacent blade ratchets 32 coordinates, i.e., originally
When ratchet 23 in embodiment is set, one coordinates with blade ratchet 32, and another ratchet 23 adjacent thereto is then with sliding muscle
The first inclined plane 521 on 52 top surface coordinates, i.e., blade ratchet 32 and slip muscle 52 are alternately resisted against the ratchet 23 of moving block 2
On.
Further, the locked component 7 includes the latch segment 71 being arranged on the inwall of ratchet 23 and is arranged on institute
The lock 72 on rack body 51 is stated, is correspondingly arranged on a latch segment 71 every a ratchet 23, latch segment 71 is specifically set
On the madial wall of the ratchet 23 of corresponding side, latch segment 71 is arranged at intervals for ensuring that moving block 2 is rotating certain angle
Latch segment 71 and 72 position correspondences of lock can be made after degree, be easy to implement and be locked.The lock 72 is arranged on the slip muscle
52 top and set with slip muscle 52 position correspondence, the first locking face 711, the lock are provided with the latch segment 71
The second locking face 721 is provided with button 72, and during locking, the lock 72 is pressed on first lock by the second locking face 721
The locking to the moving block 2 is realized on tight face 711.Preferably, first locking face 711, the second locking face 721 are to incline
Inclined-plane.
After being under pressure, for pressure transmission to spinner 1, spinner 1 transfers the force to elastic component 6, elastic component 6 act on to
Moving block 2, because moving block 2 is resisted against on blade 3, moving block 2 can transmitting forces then moved downward to blade 3, blade 3,
Now, due to propeller bracket 5 to be fixed with motor 4 and fixed, when by 2 active force of moving block, then reaction is given
Moving block 2, moving block 2 is jacked up, moving block 2 is done relative upward movement, now, coordinated on moving block 2 with blade ratchet 32
Ratchet 23 separated with blade ratchet 32, because blade 3 moves downward, moving block 3 is relative to do upward motion, when blade ratchet
When the lowest point of 32 peak and the ratchet 23 of the back coordinated on moving block 2 with sliding muscle 52 reaches sustained height,
The ratchet 23 coordinated with sliding muscle 52 can then spin downward motion along the arcwall face of blade ratchet 32, rotate to an angle
Afterwards, the latch segment 71 above it is rotated to the lower section of the position of lock 72 of rack body 51 accordingly, passes through the of lock 72
Two locking faces 721 are pressed on the first locking face 711 to be fixed to the realization of latch segment 71, completes the locking to moving block 2.
The specific locking of propeller component in the present embodiment and releasing process are as follows:
During original state, the state of motor 4 and propeller component, as shown in Figure 6;The face of one of ratchet 23 of moving block 2
The first inclined plane 521 for sliding muscle 52 is resisted against, the face of another ratchet 23 adjacent with this ratchet 23 is resisted against blade ratchet
On 32 top surface, coordinate with it, realize the compression to sliding muscle 52 and blade 3.
Now, the position of the lock 72 on the latch segment 71 and propeller bracket 5 on the madial wall of ratchet 23 of moving block 2
Relation is put as shown in fig. 7, both are mutually to stagger;It is now state 1, as detachable state;
Under state 1, continue to press spinner 1, moving block 2 is jacked up by the slip muscle 52 of propeller bracket 5, compression elastic piece 6, turns
Motion block 2 moves upwards, and the opposed helical oar support 5 of blade 3 moves downward, and moves to state 2, as shown in Figure 8;Now, rotate
The blade ratchet 32 that the minimum point height of the ratchet 23 coordinated on block 2 with sliding muscle 52 and ratchet 23 adjacent thereto coordinate is minimum
Point reaches identical height, and due to the effect of elastic component 6, moving block 2 can be along the blade ratchet 32 of ratchet 23 adjacent with its cooperation
Inclined-plane rotation move downward;
After state shown in Fig. 8 is reached, hand is decontroled, moving block 2 continues downwards rotary motion in the presence of elastic component 6, passes through
After certain angle, sliding the second inclined plane 522 of muscle 52 can touch with the top of another ratchet 23, as shown in figure 9, being shape
State 3;
Due to the effect of elastic component 6, moving block 2 is rotated further and slide downward, and moving block 2, which then oppress, slides muscle 52, make its with
Blade 3 occurs to move up and down relatively, is state 4 as shown in Figure 10;
Now, blade ratchet 32 and slide muscle 52 as the position relationship of the ratchet 23 on moving block 2 and state 1, still
Due to moving block 2 during state 1 arrives state 4 there occurs the rotation of downward spiral, now latch segment 71 has then gone to lock
The downside of button 72, as shown in Figure 10, now, propeller component has been realized in self-locking, can not depart from from motor 4, want to tear open
Lower propeller component blade 3, blade ratchet 32, ratchet 23 and slides muscle 52, it is necessary to press spinner 1 again, can repeat shape
State 1 arrives the process of state 4, and latch segment 71 can return the state mutually to stagger of state 1 with the position relationship for latching 72, this
When, it is disassembly status, propeller component can be taken off from motor 4.
By the way that the self-locking and dismounting of propeller component are just easily realized under the propeller component pressable in the present embodiment afterwards,
It is simple to operate quick.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited;Although with reference to foregoing reality
Example is applied the present invention is described in detail, for the person of ordinary skill of the art, still can be to foregoing implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic;And these are changed or replaced
Change, the essence of appropriate technical solution is departed from the spirit and scope of claimed technical solution of the invention.
Claims (8)
1. a kind of propeller component, it is characterised in that including spinner, moving block, blade and the spiral that can be fixedly connected with motor
Oar support, the spinner are fixedly connected with the blade, and elastic component is provided between the spinner and the moving block, described
Moving block is inserted into the blade, and the propeller bracket is inserted into the blade between the blade can relatively up and down
Motion, after compression, moving block does downward helical rotation in blade, is set between the tumbler and the propeller bracket
It is equipped with the locked component to moving block locking.
2. propeller component according to claim 1, it is characterised in that the moving block includes rotating cap and is arranged on
Hollow block below the rotating cap, multiple ratchets are circumferentially provided with along it in the hollow block bottom, every a ratchet pair
A latch segment should be provided with, the latch segment is arranged on the madial wall of the ratchet of corresponding side.
3. propeller component according to claim 2, it is characterised in that mounting hole is provided with the blade, described
Mounting hole inner circumferential is surrounded with the blade ratchet that can be adapted to the ratchet, is formed between two adjacent blade ratchets
There is sliding groove.
4. propeller component according to claim 3, it is characterised in that the moving block is inserted into the peace of the propeller
It is pressed in dress hole and by the ratchet on the blade ratchet, after compression, top surface of the ratchet along the blade ratchet
Spin motion.
5. propeller component according to claim 4, it is characterised in that the propeller bracket include rack body and
The slip muscle circumferentially disposed along rack body, the slip muscle are inserted into the sliding groove, and the top surface for sliding muscle is by the
One inclined plane and the second inclined plane are formed, and first inclined plane is resisted against the ratchet adjacent with the ratchet of blade ratchet cooperation
Bottom.
6. propeller component according to claim 1, it is characterised in that the locked component includes being arranged on the ratchet
Latch segment on inner arm and the lock being arranged on the rack body, the lock be arranged on the top of the slip muscle and with
The slip muscle position correspondence is set, and is provided with the first locking face on the latch segment, the second locking is provided with the lock
Face, during locking, the lock is pressed on locking of the realization to the tumbler on first locking face by the second locking face.
7. propeller component according to claim 6, it is characterised in that first locking face, the second locking face are
Inclined plane.
8. a kind of unmanned plane, including motor, it is characterised in that the propeller component described in also including claim any one of 1-7,
The propeller bracket is fixedly connected with the motor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711144895.6A CN107878729B (en) | 2017-11-17 | 2017-11-17 | Propeller assembly and unmanned aerial vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711144895.6A CN107878729B (en) | 2017-11-17 | 2017-11-17 | Propeller assembly and unmanned aerial vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107878729A true CN107878729A (en) | 2018-04-06 |
CN107878729B CN107878729B (en) | 2023-12-01 |
Family
ID=61777818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711144895.6A Active CN107878729B (en) | 2017-11-17 | 2017-11-17 | Propeller assembly and unmanned aerial vehicle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107878729B (en) |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3215370A (en) * | 1963-02-26 | 1965-11-02 | Rotorcraft S A Proprietary Ltd | Rotating wing aircraft |
CN1252898A (en) * | 1997-04-15 | 2000-05-10 | 艾利森公司 | Latch mechanism for mobile communication device |
CN101002031A (en) * | 2004-07-14 | 2007-07-18 | 远程接合技术公司 | Release for fastening assembly |
CN101061350A (en) * | 2004-09-14 | 2007-10-24 | 株式会社东海 | Connector structure with lock mechanism |
CN101506568A (en) * | 2006-08-18 | 2009-08-12 | 荷兹比茨有限公司 | Coupling arrangement |
CN202040465U (en) * | 2011-03-15 | 2011-11-16 | 叶坤霖 | Anti-slip swift joint |
JP2012219920A (en) * | 2011-04-08 | 2012-11-12 | Toyota Motor Corp | Mounting structure for pipe |
KR101644612B1 (en) * | 2016-03-08 | 2016-08-01 | 주식회사 일렉버드유에이브이 | The remote-controlled unmanned flying device |
CN106081084A (en) * | 2016-07-11 | 2016-11-09 | 南京航空航天大学 | A kind of spherical unmanned plane of portable and collapsible |
CN206202664U (en) * | 2016-09-21 | 2017-05-31 | 广州亿航智能技术有限公司 | Power component and aircraft |
CN206554671U (en) * | 2017-02-20 | 2017-10-13 | 福建西河卫浴科技有限公司 | A kind of shower house self-locking hinge and shower house |
CN207617952U (en) * | 2017-11-17 | 2018-07-17 | 歌尔科技有限公司 | A kind of propeller component and unmanned plane |
-
2017
- 2017-11-17 CN CN201711144895.6A patent/CN107878729B/en active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3215370A (en) * | 1963-02-26 | 1965-11-02 | Rotorcraft S A Proprietary Ltd | Rotating wing aircraft |
CN1252898A (en) * | 1997-04-15 | 2000-05-10 | 艾利森公司 | Latch mechanism for mobile communication device |
CN101002031A (en) * | 2004-07-14 | 2007-07-18 | 远程接合技术公司 | Release for fastening assembly |
CN101061350A (en) * | 2004-09-14 | 2007-10-24 | 株式会社东海 | Connector structure with lock mechanism |
CN101506568A (en) * | 2006-08-18 | 2009-08-12 | 荷兹比茨有限公司 | Coupling arrangement |
CN202040465U (en) * | 2011-03-15 | 2011-11-16 | 叶坤霖 | Anti-slip swift joint |
JP2012219920A (en) * | 2011-04-08 | 2012-11-12 | Toyota Motor Corp | Mounting structure for pipe |
KR101644612B1 (en) * | 2016-03-08 | 2016-08-01 | 주식회사 일렉버드유에이브이 | The remote-controlled unmanned flying device |
CN106081084A (en) * | 2016-07-11 | 2016-11-09 | 南京航空航天大学 | A kind of spherical unmanned plane of portable and collapsible |
CN206202664U (en) * | 2016-09-21 | 2017-05-31 | 广州亿航智能技术有限公司 | Power component and aircraft |
CN206554671U (en) * | 2017-02-20 | 2017-10-13 | 福建西河卫浴科技有限公司 | A kind of shower house self-locking hinge and shower house |
CN207617952U (en) * | 2017-11-17 | 2018-07-17 | 歌尔科技有限公司 | A kind of propeller component and unmanned plane |
Also Published As
Publication number | Publication date |
---|---|
CN107878729B (en) | 2023-12-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105923036A (en) | Child chart | |
CN202190859U (en) | Self-locking lower runner structure for umbrella | |
CN202205015U (en) | Folding camera tripod | |
CN204048902U (en) | A kind of infanette | |
CN107773020B (en) | Cooking utensil | |
CN208682673U (en) | A kind of two-way release the lock head rest adjusting device and child safety seat | |
CN105249759A (en) | Cup with cover capable of being opened and closed with single hand | |
CN106942862B (en) | A kind of dual-purpose rain gear | |
CN207617952U (en) | A kind of propeller component and unmanned plane | |
CN107878729A (en) | A kind of propeller component and unmanned plane | |
CN101574233A (en) | Locking mechanism for split-type chafing dish body | |
CN106677634A (en) | Axial direction lockset | |
CN202173245U (en) | Flip-type electric pressure cooker provided with easily disassembled cover | |
CN102273923A (en) | Cover turning type electric pressure cooker with easily detached cover | |
CN202959248U (en) | Full-automatic dressing case | |
CN108657033A (en) | A kind of adjustable safety seat of headrest | |
CN202520111U (en) | Automobile glove compartment locking mechanism | |
CN201219694Y (en) | Office chair and lock-up control device for inclining base plate thereof | |
CN204821224U (en) | Car back -row seat handrail mechanism | |
CN203935044U (en) | Button folding lid electric pressure cooking saucepan | |
CN206538795U (en) | Theftproof municipal administration inspection shaft lid | |
CN202959369U (en) | Turnable notebook computer desk | |
CN205637967U (en) | Touching locking mechanism | |
CN208339727U (en) | Roll-over type handrail for dental chair | |
CN201076108Y (en) | 360 degree revolving gear of suspended umbrella |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant |