CN108915439B - A kind of door of rotating folding - Google Patents
A kind of door of rotating folding Download PDFInfo
- Publication number
- CN108915439B CN108915439B CN201810118228.9A CN201810118228A CN108915439B CN 108915439 B CN108915439 B CN 108915439B CN 201810118228 A CN201810118228 A CN 201810118228A CN 108915439 B CN108915439 B CN 108915439B
- Authority
- CN
- China
- Prior art keywords
- door
- inhale column
- inhale
- column
- rib section
- 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.)
- Expired - Fee Related
Links
- 230000000694 effects Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 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 description 6
- 238000003860 storage Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/56—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by magnetic or electromagnetic attraction or operated by electric or electromagnetic means
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The present invention relates to a kind of doors of rotating folding, door body including being provided with door-inhale column, door-inhale column spring is provided between door-inhale column and door body, limit semiaxis is rotatably equipped in door body, door-inhale column includes door-inhale column ontology, it is provided on door-inhale column ontology along the door-inhale column rib extended perpendicular to door-inhale column pivot center direction, the fixation rib section that door-inhale column rib includes and door-inhale column ontology is fixedly installed and the movable rib section being hinged and connected with fixed rib section, movable rib section is together with the abutting end end face contact of fixed rib section, limit semiaxis has block position and the release position that door-inhale column is limited in vertical position during rotation, control circuit is also equipped in door body, control circuit includes the electromagnet for driving limit semiaxis to rotate from block position to release position and the battery to electromagnet power supply, control circuit further includes two switch touchings Point, one of switch contact are set on door body rotation connection structure, another is set on doorframe rotation connection structure.
Description
Technical field
The present invention relates to a kind of doors of rotating folding.
Background technique
Door is one of people's daily life common part, and existing door is as disclosed in Chinese patent CN106050029B
" the extremely simple door of safety ", the extremely simple door of the safety includes door body, and the shaft that pivot center vertically extends, door are provided in door body
The pivoted housing being rotatably assorted with shaft is provided on frame, shaft and pivoted housing one are door body rotation connection structure, and one turns for door body
Dynamic connection structure.Catheter is placed in door body, one end of catheter is connected to liquid storage cylinder, and one end is connected to lift cylinders, liquid storage cylinder
Including outer cylinder and piston plate, outer cylinder is fixed on doorframe, and piston plate is fixedly connected with door body, and lift cylinders are fixed on the bottom of door body
Portion is fixed with guide rod at the axis of lift cylinders, and sliding sleeve is equipped with lifter plate on guide rod, in door body, is close to lift cylinders also
The door-inhale column that case has ferromagnetic material to be made into, the change of door-inhale column are articulated in the edge of door body by fixing axle.
In use, be fixed with the permanent magnetism door-inhale pedestal with door-inhale column location matches on wall, door body when closed, piston
Plate is located at outer cylinder edge, and diversion fluid is stored in liquid storage cylinder and catheter at this time, and diversion fluid is seldom in lift cylinders, and lifter plate is in
Low level, under magneticaction, plectrum is drawn in lifter plate traction, therefore safer, when needing to open door, door body is pushed to lean on door body
Nearly wall, piston plate are moved along the circumferential direction of liquid storage cylinder, and piston plate is close to the side wall sliding of outer cylinder, and drops the water conservancy diversion in liquid storage cylinder
Liquid squeezes into the deflector hole of piston plate, and diversion fluid flows into lift cylinders along catheter, and in lift cylinders, diversion fluid is filled out
It fills, lifter plate is moved up along guide rod, and cylinder body is gradually full, and lifter plate moves up, and plectrum movement is stirred, so that door-inhale column is around fixing axle
Turn to horizontality, when door body is close to wall, door-inhale column is just rotated to horizontality, under magneticaction, door-inhale column with
The permanent magnetism door-inhale pedestal of position face is attracted, and door body is fixed at this time is close to wall, will not be closed by wind blows.
Existing this door realizes only when opening the door, and door-inhale column just turns to horizontality, normally at closing time, door-inhale
Column is vertical state, thus is avoided that door-inhale column scrapes or trip pedestrian, but there are still following problems for existing this door: in door
When opening, is cooperated by the piston of piston plate, outer cylinder and hydraulic oil is pressed into lift cylinders, it is right by way of hydraulic transmission
The sealing requirements of each each component of oil circuit are higher, and requirement on machining accuracy is high, while cost of manufacture is high, is also easy to produce oil leak and asks
Topic, in addition, during door-inhale column just has begun overturning, that is, door is opened, door-inhale column is just during door is opened
Leaked outside, should during door-inhale column it is possible to pedestrian can be collided with and be tripped, there are also being exactly door during opening,
Hydraulic oil will cause an enabling resistance, influence open door effect.
Summary of the invention
It is an object of the invention to improve a kind of door of rotating folding, to solve to realize door by hydraulic pressure road in the prior art
The problem of suction column is overturn, and each component sealing performance requires high and easy oil leak in hydraulic pressure road.
In order to solve the above technical problems, technical scheme is as follows:
A kind of door of rotating folding, including door body, door body rear side are rotatably equipped with door-inhale column, and door-inhale column is during rotation
It fell position with vertical position and level, the rotation connection structure for being rotatablely connected with doorframe is provided in door body, be rotatablely connected
Structure includes doorframe rotation connection structure and door body rotation connection structure, is provided between door-inhale column and door body described for forcing
Door-inhale column was fallen the door-inhale column spring of position by vertical position steering horizontal, was rotatably equipped with rotation axis by the door-inhale column in door body
Wired-AND gate inhales column pivot center limit semiaxis disposed in parallel, and door-inhale column includes for the door with the door-inhale pedestal cooperation on wall
Column ontology is inhaled, is provided on door-inhale column ontology along the door-inhale column rib extended perpendicular to door-inhale column pivot center direction, door-inhale column
Rib includes being used for and limit half with the fixation rib section of door-inhale column ontology fixed setting and with what fixed rib section was hinged and connected
Axle bumper stops the movable rib section cooperated, and movable rib section is together with the abutting end end face contact of fixed rib section with limitation activity
Rib section is counterclockwise rotated relative to fixed rib section, and limit semiaxis has during rotation limits the door-inhale column
In vertical position block position and get out of the way the release position of the door-inhale column, be also equipped with control circuit in door body, control circuit includes
Battery for driving the electromagnet from block position to release position that rotate from of limit semiaxis and powering to the electromagnet, controls
Circuit further includes two switch contacts, and one of switch contact is set on door body rotation connection structure, another setting
In on doorframe rotation connection structure.
The rib for applying counter clockwise direction active force towards movable rib section is provided between movable rib section, fixed rib section
Reduction torsion spring.
The doorframe rotation connection structure includes fixing axle, and door body rotation connection structure includes that concentric locking collar is set to the fixation
Turning set on axis is connected with fixing axle flap in fixing axle, turning set flap is connected on turning set, is set on turning set
There is internal projection, fixing axle is equipped with the outer lug with internal projection relative spacing setting in a circumferential direction, the switch contact point
It is not made of the internal projection contact and outer lug contact for being set to internal projection, outer lug opposite sides.
Floating spring is provided between outer lug and corresponding contact.
It is provided between limit semiaxis and door body and applies active force to the limit semiaxis so as to limit semiaxis towards block
Half axis spring of limit of position direction rotation, be provided in door body for the limit semiaxis block cooperate with by the limit partly
Axis is limited in the limit semiaxis block of block position.
The invention has the benefit that the door in the present invention, when being in shutdown state, two switch contact separation control
Circuit no power, electromagnet do not attract limit semiaxis, and limit semiaxis is in block position, and door-inhale column is also limited semiaxis limit at this time
In vertical position, when arriving certain position when the door is open, two switch contact contacts, control circuit is connected, and electromagnet is powered and inhaled
Draw limit semiaxis, limit semiaxis is moved to release position by block position, limits semiaxis no longer to door-inhale column block, in door-inhale column spring
Under the action of, door-inhale column turns to level and fell position so as to cooperate with the door-inhale pedestal on wall.The present invention passes through electromagnetism
This kind of electrical component of iron realizes that the vertical position of door-inhale column was fallen the movement variation of position to level, without the use of complicated and to processing
The higher hydraulic pressure road of required precision, helps to reduce cost, avoids oil leak, while during door is opened, there is no extra
Resistance generate, open door effect is preferable.
Detailed description of the invention
Fig. 1 is the usage state diagram of the embodiment 1 of door in the present invention；
Fig. 2 is the cooperation schematic diagram of door and doorframe in Fig. 1；
Fig. 3 is door-inhale column in embodiment 1, the cooperation schematic diagram for limiting semiaxis and electromagnet；
Fig. 4 is the structural schematic diagram of control circuit in embodiment 1；
Fig. 5 is the structural schematic diagram of rotation connection structure in Fig. 1；
Fig. 6 is the structural schematic diagram that semiaxis is limited in Fig. 3.
Specific embodiment
A kind of implementation of the door of rotating folding is for example shown in Fig. 1 ~ 6: including door body 8, rotation connection knot is provided in door body
Structure 13 needs to install doorframe 10 on wall 11 when in use, and door body 8 is rotatablely installed by rotation connection structure 13 in doorframe
On 10.
The rear side of door body 8 is rotatably equipped with door-inhale column 1, and door-inhale column 1 during rotation there is vertical position and level to fall
Position, dotted line indicates to fall the door-inhale column of position in Fig. 3, is provided with door-inhale column holding tank 2 on rear side of door body, the door-inhale column 1 of vertical position can
To be contained in door-inhale column holding tank, door-inhale column spring is provided between door-inhale column 1 and door body 8, door-inhale column spring is used for door
It inhales column and applies elastic acting force to force door-inhale column to be fallen position by vertical position steering horizontal, door-inhale column spring is one in the present embodiment
A torsional spring is provided in door-inhale column holding tank 2 and rotates clockwise the limit for blocking cooperation with door-inhale column to limit door-inhale column
Door-inhale column stopping surface 3, in the collective effect of door-inhale column stopping surface 3 and door-inhale column spring, door-inhale column 1 can be limited in level and put
Inversion.Pivot center and door-inhale column pivot center limit semiaxis 10 disposed in parallel are rotatably equipped in door body 8 by door-inhale column,
The structure for limiting semiaxis is as shown in Figure 6 comprising the cylindrical section 10-1 at both ends and half shaft part 10- being set between two cylindrical sections
2, cylindrical section 10-1 is rotatably assorted with door body 8.Door-inhale column 1 includes for the door-inhale column sheet with the door-inhale pedestal cooperation on wall
Body is provided on door-inhale column ontology along the door-inhale column rib extended perpendicular to door-inhale column pivot center direction, door-inhale column rib packet
The movable rib section 4 for including the fixation rib section 5 being wholely set with door-inhale column ontology and being hinged and connected with fixed rib section, active catch
For side section 4 together with the abutting end end face contact of fixed rib section 5, the relatively fixed rib section of rib section 4 movable in this way cannot be inverse
Hour hands rotation, the relatively fixed rib section 5 of movable rib section 4 can only rotate clockwise, between movable rib section 4 and fixed rib section
It is provided with rib reduction torsion spring.The half shaft part 10-2 for limiting semiaxis is used to cooperate with movable 4 block of rib section to limit door-inhale column
Positioned at vertical position, movable rib section 4 and one end end face of limit semiaxis block cooperation are inclined-plane.It is set between limit semiaxis and door body
It is equipped with half axis spring, half axis spring is used to apply clockwise elastic acting force to limit semiaxis, and half axis spring is also torsion
Spring limits and is fixedly installed semiaxis rib 7 on half shaft part of semiaxis, and semiaxis block 6 is provided in door body, and semiaxis block 6 is used for
Cooperate with 7 block of semiaxis rib to limit limit semiaxis 10 and rotate clockwise the limit, after by semiaxis block block, limit half
Axis is in the block position for door-inhale column 1 to be limited in vertical position.Control circuit is also equipped in door body, control circuit includes using
In the electromagnet 9 for driving limit semiaxis to rotate from block position to release position and the battery 14 powered to electromagnet, control circuit is also
Including two switch contacts, one of switch contact is set on door body rotation connection structure, another is set to doorframe
On rotation connection structure, after electromagnet is powered, electromagnet can apply suction to semiaxis rib, and limit semiaxis is driven to turn counterclockwise
It moves to release position, half shaft part for limiting semiaxis at this time no longer stops door-inhale column rib, and door-inhale column can be clockwise to level
It fell position.
Doorframe rotation connection structure includes fixing axle 23, and door body rotation connection structure includes that concentric locking collar is set in fixing axle
Turning set 20, fixing axle flap 25 is connected in fixing axle 23, and fixing axle flap 25 is rotated for being fixedly connected with doorframe
Turning set flap 19 is connected on set 20, for turning set flap 19 for being fixedly connected with door body 8, turning set is equipped with convex
24 are played, fixing axle is equipped with the outer lug 22 with internal projection relative spacing setting in a circumferential direction, the switch contact difference
It is made of the internal projection contact 15 and outer lug contact 16 for being set to internal projection, outer lug opposite sides, outer lug contact, convex
Playing contact includes sheet metal and insulating body.Floating spring 21, fixing axle 23 are provided between outer lug and corresponding contact
For hollow structure, it is provided with radial cable-through hole in fixing axle, the conducting wire 17 of control circuit being electrically connected with outer lug contact is laid in
It is connected in the inner hole of fixing axle and with outer lug contact after radial cable-through hole, the conducting wire 17 being electrically connected with outer lug contact is in addition
One end is introduced into door body after being spread out of by fixing axle one end, and routing hole, the internal projection contact of control circuit are provided on turning set
It is introduced into door body behind the routed hole of conducting wire 18 being electrically connected, the conducting wire 18 being electrically connected with internal projection contact is with door body and turning set
Rotation, the setting of conducting wire 17 being electrically connected with outer lug contact is longer, to the different demands of conductor length when adapting to door body rotation.
When door body is in close state, internal projection contact is discontiguous, control circuit category at this time with outer lug contact
In off-state, electromagnet no power, door-inhale column is limited semiaxis and is limited in vertical position, and door-inhale column, which is hidden in, is sucked holding tank
In.When the door is open, after door is opened to a certain degree, internal projection contact and outer lug contact pad, floating spring on the one hand can
To guarantee that the contact force between inside and outside raised contact, control circuit are switched on, electromagnet obtain it is electric after, apply to semiaxis rib and inhale
Power, limit semiaxis are rotated counterclockwise to release position, are limited semiaxis and are no longer stopped door-inhale column, under the action of door-inhale column spring, door
Instead inhaling column can fall position to level, to cooperate with the door-inhale pedestal 12 on wall 11, door body 8 is limited in open position
It sets.When needing door to close, control circuit powers off again, and under the effect of half axis spring, limit semiaxis is reset to block position, at this time
Operator holds door-inhale column, rotates counterclockwise door-inhale column, the movable rib Duan Zaiyu limit semiaxis contact of door-inhale column rib
Afterwards, it rotates clockwise and avoids limit semiaxis, after movable rib section crosses limit semiaxis, in the effect of rib reduction torsion spring
Under, movable rib section resets the state as fixed rib section contact, and then operator unclamps door-inhale column, and door-inhale column is just limited
Position semiaxis is limited in vertical position.
In the present embodiment, not by hydraulic circuit, the hydraulic unit of complex precise is not needed, product is advantageously reduced
Cost guarantees the reliability of product movement；Furthermore door body is before to open in place, and entire control circuit is all not turned on, door body
Not will receive other resistances, therefore when operator is to door body opening operation, do not need too big power yet, operating effect compared with
It is good.In other embodiments of the invention: the rotary electric connector being coaxially set with fixing axle can also be set, and rotation is electrically connected
The end of incoming cables for connecing device is electrically connected with outer lug contact, and the conducting wire of control circuit is electrically connected with the leading-out terminal of rotary electric connector.
Claims (5)
1. a kind of door of rotating folding, including door body, door body rear side is rotatably equipped with door-inhale column, and door-inhale column has during rotation
There are vertical position and level to fall position, the rotation connection structure for being rotatablely connected with doorframe, rotation connection knot are provided in door body
Structure includes doorframe rotation connection structure and door body rotation connection structure, it is characterised in that: is arranged between door-inhale column and door body useful
In forcing the door-inhale column to be fallen the door-inhale column spring of position by vertical position steering horizontal, in door body by the door-inhale column rotation peace
Equipped with pivot center and door-inhale column pivot center limit semiaxis disposed in parallel, door-inhale column include for the door-inhale base on wall
The door-inhale column ontology of seat cooperation, is provided on door-inhale column ontology and keeps off along the door-inhale column extended perpendicular to door-inhale column pivot center direction
Side, door-inhale column rib include being used for the fixation rib section of door-inhale column ontology fixed setting and with what fixed rib section was hinged and connected
With limit semiaxis block cooperation movable rib section, movable rib section with fixation rib section abutting end end face contact together with
Limitation activity rib section is counterclockwise rotated relative to fixed rib section, and limit semiaxis has during rotation by the door
It inhales column to be limited in the block position of vertical position and get out of the way the release position of the door-inhale column, is also equipped with control circuit in door body, control
Circuit includes for driving the electromagnet from block position to release position that rotate from of limit semiaxis and powering to the electromagnet
Battery, control circuit further include two switch contacts, and one of switch contact is set on door body rotation connection structure, separately
Outer one is set on doorframe rotation connection structure.
2. the door of rotating folding shown according to claim 1, it is characterised in that: set between movable rib section, fixed rib section
It is equipped with the rib reduction torsion spring for applying counter clockwise direction active force towards movable rib section.
3. the door of rotating folding shown according to claim 1, it is characterised in that: the doorframe rotation connection structure includes fixing
Axis, door body rotation connection structure include the turning set that concentric locking collar is set in the fixing axle, and fixing axle hinge is connected in fixing axle
Carrier bar is connected with turning set flap on turning set, and turning set is equipped with internal projection, and fixing axle is equipped with and internal projection is in circumference
The outer lug that relative spacing is arranged on direction, the switch contact is respectively by being set to internal projection, in outer lug opposite sides
Raised contact and outer lug contact are constituted.
4. the door of the rotating folding according to shown in claim 3, it is characterised in that: be provided between outer lug and corresponding contact
Floating spring.
5. the door of rotating folding shown in any one according to claim 1 ~ 4, it is characterised in that: between limit semiaxis and door body
It is provided with and applies active force to the limit semiaxis so that half axis spring of limit that limit semiaxis is rotated towards block position direction, door
Half axle bumper of limit for the limit semiaxis to be limited in block position with the limit semiaxis block cooperation is provided on body
Block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118228.9A CN108915439B (en) | 2018-02-06 | 2018-02-06 | A kind of door of rotating folding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118228.9A CN108915439B (en) | 2018-02-06 | 2018-02-06 | A kind of door of rotating folding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108915439A CN108915439A (en) | 2018-11-30 |
| CN108915439B true CN108915439B (en) | 2019-07-05 |
Family
ID=64403615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810118228.9A Expired - Fee Related CN108915439B (en) | 2018-02-06 | 2018-02-06 | A kind of door of rotating folding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108915439B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454015B (en) * | 2019-08-21 | 2022-03-29 | 佛山市万家红门业有限公司 | Hidden door suction type door |
| CN111577039B (en) * | 2020-05-12 | 2022-01-28 | 临沂泰德信门业有限公司 | Mute door stopper |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8567831B2 (en) * | 2010-06-07 | 2013-10-29 | Joseph R. Roti | Fold away magnetic door stop |
| CN206707484U (en) * | 2017-03-22 | 2017-12-05 | 嘉兴市建筑工业学校 | A kind of fixing device for keeping door Semi-folding |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10053895B2 (en) * | 2015-03-10 | 2018-08-21 | Ramon Cervantes, JR. | Door holding device |
-
2018
- 2018-02-06 CN CN201810118228.9A patent/CN108915439B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8567831B2 (en) * | 2010-06-07 | 2013-10-29 | Joseph R. Roti | Fold away magnetic door stop |
| CN206707484U (en) * | 2017-03-22 | 2017-12-05 | 嘉兴市建筑工业学校 | A kind of fixing device for keeping door Semi-folding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108915439A (en) | 2018-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108915439B (en) | A kind of door of rotating folding | |
| CN108286382B (en) | A kind of Domestic door | |
| CN108457570B (en) | A kind of door | |
| CN108286290B (en) | A kind of assembled architecture | |
| CN208024151U (en) | Assembled architecture | |
| CN203237298U (en) | Simple hinged type charging port cover device | |
| CN208024152U (en) | Domestic door | |
| CN108316793B (en) | A kind of house | |
| CN107499108A (en) | A kind of two level anti-drop device for battery case | |
| CN208296446U (en) | A kind of control device that achievable refrigerator non-resistance opens the door with automatic tightening shutdown | |
| CN111256420B (en) | Opening and closing control device of refrigerator door and refrigerator | |
| CN106972567A (en) | Charging mechanism and charging pile and charging system built in a kind of electrode | |
| CN203562328U (en) | Locomotive-door window-wiper circuit connecting device | |
| CN106783427B (en) | A kind of moving contact of breaker resilience-proof device | |
| CN207328102U (en) | A kind of two level anti-drop device for battery case | |
| CN207177570U (en) | A kind of cabinet door switching device and its structure | |
| CN105604430A (en) | Simple automatic door closer and fireproof door with same | |
| CN207426543U (en) | A kind of inflatable cabinet load switch outlet mechanism | |
| CN209891940U (en) | Power assisting device for opening and closing of anti-theft door | |
| CN109177737A (en) | Pantograph | |
| CN205564625U (en) | Stop device is opened and close to circuit breaker interlocking device's switch | |
| CN209728879U (en) | A kind of pinch-proof structure of automatic opening and closing door access section | |
| CN214672061U (en) | Rotary glass glaze potentiometer power switch combined system | |
| CN205477049U (en) | Switchgear | |
| CN216450990U (en) | Power distribution cabinet |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190604 Address after: 311400 Lishan Village, Lishan Town, Fuyang District, Hangzhou City, Zhejiang Province Applicant after: HANGZHOU HONGSHUN CIVIL DEFENSE EQUIPMENT Co.,Ltd. Address before: 450003 No. 258 Nanyang Road, Jinshui District, Zhengzhou City, Henan Province Applicant before: Li Xiaoli |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |