CN109930934A - A kind of automatic closing door window unit and the bidirectional balanced door and window unit using its production - Google Patents
A kind of automatic closing door window unit and the bidirectional balanced door and window unit using its production Download PDFInfo
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- CN109930934A CN109930934A CN201910286017.0A CN201910286017A CN109930934A CN 109930934 A CN109930934 A CN 109930934A CN 201910286017 A CN201910286017 A CN 201910286017A CN 109930934 A CN109930934 A CN 109930934A
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 25
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- 238000009434 installation Methods 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
- 238000003756 stirring Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000005192 partition Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 235000010210 aluminium Nutrition 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
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- 239000004566 building material Substances 0.000 description 1
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Abstract
The invention discloses a kind of automatic closing door window unit and using the bidirectional balanced door and window unit of its production, which includes pedestal and rotary unit；The invention have it is small in size, it is low in cost, it is easy for installation, naturally form an entirety with door or window after being mounted on door and window, beautiful and generous, energy conservation and environmental protection, can automatic closing door window the advantages of；The bidirectional balanced door and window unit includes above-mentioned rotary unit, it further include pedestal, rotary unit has two groups and is symmetrically set, on the base, which solves the problems, such as the Men Yumen for making to be hinged or the window being hinged and window in close stage automatically toward same direction balance closure for the lower end fixed setting of axis.
Description
Technical field
The present invention relates to the accessory technical field more particularly to a kind of automatic closing door window unit of door or window and using automatically
The bidirectional balanced door and window unit of door close window unit production.
Background technique
Automatic closing door window function is realized in the prior art or realizes the bidirectional balanced function (door being hinged in two fans
Or window is folded after opening, can be automatically toward same direction balance closure) various unit pieces or it is various close door equipment, generally by
Electronic or hydraulic system composition, cost, operating cost are higher and volume is generally bigger than normal, when carrying out installation procedure, wherein one
Part uses after need to being directly mounted on decorative building material, influences very much beautiful；And wherein another part during installation need to be on ground
Mounting hole is excavated on face or wall, it is time-consuming and laborious；Hydraulic system in traditional technology is easier to break down, once leakage just make it is whole
A part rejection can only be replaced entirely, and maintenance cost is increased.
The entrance of megastore or large conference room can be bigger, generally multiple leaf door can be arranged in entrance, enter in order to prevent
There is blocking at the middle part of mouth, and the side of two fan doors can be mutually hinged by partial inlet, and realize this two fans door in the same side
Realization is closed at, and is typically relied on manual operation to make its closure, is operated comparatively laborious.
Summary of the invention
The first purpose of this invention is to provide a kind of small in size, low in cost, easy for installation, beautiful and generous and ring
Protect, can automatic closing door or window automatic closing door window unit；
Second object of the present invention, which is to provide, a kind of is being closed the Men Yumen being hinged or the window being hinged and window
Stage automatically toward the bidirectional balanced door and window unit of same direction balance closure, to solve the problems, such as proposed in background technique.
To achieve the goals above, the technical solution used in the present invention is as follows:
A kind of automatic closing door window unit, including pedestal and rotary unit, the rotary unit include rotating seat, axis, first
One end of nut, the second nut and reset spring, the axis passes through rotating seat, and is fixed on pedestal, described first
Nut, reset spring and the second nut are sheathed on axis, and the first nut and the second nut are fixedly connected with axis；
The upper end of the rotating seat is provided with bumping post, and the top of the reset spring is extended with the first extension to its side, and
Lower part is extended with the second extension to its side, and first extension and the second extension are butted on the two sides of bumping post, institute respectively
The one end for stating the first nut is fixedly installed the first block, and one end of second nut is fixedly installed the second block, described
First block is against the first extension close to the side of bumping post, and second block is against the second extension close to the one of bumping post
Side.
Further, first nut, reset spring, the second nut and rotating seat are sheathed in sequence from top to bottom
Axis.
Further, the top of the axis is rectangular parallelepiped structure, and is rounding corner structure between face and face, described first
Nut and the second nut are adapted with the top of axis, and are sheathed on the top of axis.
Further, the side of first nut offers the first pin hole, and the side of the axis offers and the
The first aperture that one pin hole matches, the side of second nut open up the second pin hole, and the side of the axis opens up
There is the second aperture matched with the second pin hole.
Further, the rotary unit further includes the washer for being sheathed on axis, and there are two the washers, and is located at
The top and bottom of rotating seat.
A kind of bidirectional balanced door and window unit, includes above-mentioned rotary unit, further includes pedestal, the rotary unit has two
It group and is symmetrically set, the lower end fixed setting of the axis is on the base.
Further, the first gear for further including two groups of intermeshings and being located between two groups of rotating seats, the rotating seat
Lower end be fixedly installed second gear, the central axis of the second gear and the center overlapping of axles of axis, first described in two groups
The line of the central axis of gear is parallel or coincides with the line of the central axis of two groups of second gears, the difference of first gear described in two groups
Second gear intermeshing adjacent thereto.
Further, the first gear is articulated on pedestal.
Further, it is provided with step on the pedestal between rotary unit described in two groups, installation is offered on the step
Hole.
Further, the rotating seat is arcuate structure close to the one side of first gear.
The utility model has the advantages that 1. by setting pedestal, be fixed on pedestal axis, be sheathed on axis rotating seat, with
The first nut and the second nut of the mutually matched reset spring of rotating seat and fixed reset spring, are all made of the machinery of pure metal
Structure, compared in the prior art electronic or hydraulic door closing system, the configuration of the present invention is simple, manufacturing cost is lower；Simultaneously originally
Invention, which can naturally hide, to be mounted in the cavity of various door and window aluminiums, with various biggish electronic or liquid in the prior art
Pressure component is compared, and volume of the invention is more compact；And the present invention is mounted on door and window and is naturally formed with door or window later
One entirety, compared with the various door closers generallyd use in the prior art, the entirety of door and window seems more beautiful and generous；?
When the installation present invention, pedestal is directly fixed by screws in wall or ground, rotating seat is fixed by screws in door or window
Side or one jiao, that is, complete installation, with being needed compared with mounting hole is excavated in wall or bottom surface in the prior art, present invention installation
It is more convenient；The pure metal part that the present invention uses can be recycled repeatedly, dirty without having to worry about the liquid leakage of conventional hydraulic
Environmental problem is contaminated, compared with traditional technology, the present invention is more environmentally-friendly；Pedestal is fixed on wall or ground, by the one of door or window
Angle is fixed in the right angle of bumping post and rotating seat composition, is pushed the door open or when window, and bumping post stirs the first extension counterclockwise, while the
Two extensions are tightened by the second block bumping post, reset spring, and after unclamping door or window, reset spring resets, and force first to prolong
Long portion's urged clockwise door or window reset are shut, and the present invention is made to realize the function of automatic closing door or window.
2. two fan doors or window are hinged through the invention, when two fan doors or window are simultaneously open from same side side,
Corresponding bumping post stirs the first extension or the second extension, tightens reset spring, after unclamping door or window, reset spring
Under the elastic force effect of reset, corresponding bumping post is reversely stirred by the first extension or the second extension, makes two fan doors or window
It is resetted by balance respectively, realizing the present invention keeps the Men Yumen being hinged or the window being hinged and window automatic in close stage
Toward the function of same direction balance closure.
3. realizing that two fan doors are realized together in open or close by the way that intermeshing first gear and second gear is arranged
Step, which folds, to be opened or synchronous balance resets, and can automatically while be run, will not be hindered when making mutually to run between two fan doors or window
Power is collided with, and the present invention is made to have better synchronous bidirectional balance closure effect.
Detailed description of the invention
Fig. 1 is the overall structure diagram of automatic closing door window unit of the invention；
Fig. 2 is the overall structure exploded view of automatic closing door window unit of the invention；
Fig. 3 is the axis of automatic closing door window unit of the invention and the structural schematic diagram of pedestal；
Fig. 4 is the structural representation of the axis, the first nut, reset spring and the second nut of automatic closing door window unit of the invention
Figure；
Fig. 5 is the STRUCTURE DECOMPOSITION of the axis of automatic closing door window unit of the invention, the first nut, reset spring and the second nut
Figure；
Fig. 6 is the washer of automatic closing door window unit of the invention and the structural schematic diagram of pedestal；
Fig. 7 is the overall structure diagram of bidirectional balanced door and window unit of the invention；
Fig. 8 is the partial structure diagram of bidirectional balanced door and window unit of the invention；
Fig. 9 is the structural schematic diagram of the rotating seat of bidirectional balanced door and window unit of the invention；
Figure 10 is the structural schematic diagram of the separation pedestal of bidirectional balanced door and window unit of the invention；
Figure 11 is the knot being mounted with when two fan doors of automatic closing door window unit and bidirectional balanced door and window unit of the invention are closed
Structure schematic diagram；
Figure 12 is the knot being mounted with when two fan doors of automatic closing door window unit and bidirectional balanced door and window unit of the invention are opened
Structure schematic diagram；
Figure 13 is the knot being mounted with when two fan doors of automatic closing door window unit and bidirectional balanced door and window unit of the invention are opened
Structure schematic diagram.
Appended drawing reference are as follows:
Pedestal 1, rotating seat 2, bumping post 21, second gear 22,
Axis 3, the first aperture 31, the second aperture 32,
First nut 4, the first pin hole 41, the first block 42, the second nut 5, the second pin hole 51, the second block 52,
Reset spring 6, the first extension 61, the second extension 62,
Washer 7, pedestal 8, step 81, mounting hole 82, first gear 9;
First 101, second 102, automatic closing door window unit 103 of the invention, bidirectional balanced door and window unit of the invention
104。
Specific embodiment
Below in conjunction with attached drawing, invention is further explained:
A kind of automatic closing door window unit as shown in Figures 1 to 6, including pedestal 1 and rotary unit, rotary unit include rotation
One end of seat 2, axis 3, the first nut 4, the second nut 5, reset spring 6 and the washer 7 for being sheathed on axis 3, axis 3 passes through rotation
Swivel base 2, and being fixed on pedestal 1, rotating seat 2 can be that axle center be rotated with axis 3, the first nut 4, reset spring 6,
Second nut 5 and rotating seat 2 are sheathed on axis 3 in sequence from top to bottom, and the top of axis 3 is rectangular parallelepiped structure, and face with
It is rounding corner structure between face, the first nut 4 and the second nut 5 are adapted with the rectangular parallelepiped structure on 3 top of axis, i.e., and first
The inner hole of the inner hole of nut 4 and the second nut 5 is adapted with the level cross-sectionn of the rectangular parallelepiped structure on 3 top of axis, the first spiral shell
Mother 4 and the second nut 5 are sheathed in the rectangular parallelepiped structure on 3 top of axis, after setting up, the first nut 4 and the second nut 5
It cannot be then that axle center is rotated with axis 3；The side of first nut 4 offers the first pin hole 41, and the side of axis 3 opens up
There is the first aperture 31 matched with the first pin hole, the side of the second nut 5 opens up the second pin hole 51, the side of axis 3
The second aperture 32 matched with the second pin hole is offered, by the way that bolt is inserted into the first pin hole and the first aperture simultaneously
31, the first nut 4 can be well fixed on axis 3, by the way that bolt is inserted into the second pin hole and the second aperture 32 simultaneously,
Second nut 5 can be well fixed on axis 3.
The upper end of rotating seat 2 is provided with bumping post 21, and bumping post 21 is an integral molding structure with rotating seat 2, reset spring 6 it is upper
It holds to its side and is extended with the first extension 61, and lower end is extended with the second extension 62 to its side, the first extension 61 is flat
For row in the second extension 62, the first extension 61 and the second extension 62 are butted on the two sides of bumping post 21 respectively, under the first nut 4
End is fixedly installed the first block 42, and the upper end of the second nut 5 is fixedly installed the second block 52, and the first block 42 is against first
For extension 61 close to the side of bumping post 21, the second block 52 is against the second extension 62 close to the side of bumping post 21.
There are two washers 7, and is located at the top and bottom of rotating seat 2, and the top and bottom of rotating seat 2 are respectively set
There is the space for placing washer 7, upper and lower two washers 7 make the very smoothly rotation of rotating seat 2, will not deflect and shake.
Working principle: pedestal 1 is fixed on wall or ground, the left side of door is fixedly connected with bumping post 21, with the inverse time
When the right side that the direction of needle pushes the door open, bumping post 21 stirs the first extension 61, while 62 quilt of the second extension in the counterclockwise direction
Second block, 52 bumping post 21, reset spring 6 are tightened；After unclamping door, reset spring 6 resets, and the elastic force of opening forces simultaneously
First extension 61 pushes bumping post 21 to reset clockwise, and then shuts door automatically.
A kind of bidirectional balanced door and window unit as shown in Figure 7 to 10, including 8, two groups of intermeshings of pedestal and be located at two
First gear 9 and above-mentioned rotary unit, rotary unit between group rotating seat 2 have two groups and are symmetrically set, and rotation is single
Member includes rotating seat 2, axis 3, the first nut 4, the second nut 5, reset spring 6 and the washer 7 for being sheathed on axis 3, axis 3
One end passes through rotating seat 2, and is fixed on pedestal 8, and rotating seat 2 can be that axle center is rotated with axis 3, the first nut 4,
Reset spring 6, the second nut 5 and rotating seat 2 are sheathed on axis 3 in sequence from top to bottom, and the top of axis 3 is cuboid knot
Structure, and be rounding corner structure between face and face, the first nut 4 and the second nut 5 are adapted with the top of axis 3, i.e., and first
The inner hole of the inner hole of nut 4 and the second nut 5 is adapted with the level cross-sectionn of the rectangular parallelepiped structure on 3 top of axis, the first spiral shell
Mother 4 and the second nut 5 are sheathed in the rectangular parallelepiped structure on 3 top of axis, after setting up, the first nut 4 and the second nut 5
It cannot be then that axle center is rotated with axis 3, the side of the first nut 4 offers the first pin hole 41, and the side of axis 3 opens up
There is the first aperture 31 matched with the first pin hole, the side of the second nut 5 opens up the second pin hole 51, the side of axis 3
The second aperture 32 matched with the second pin hole is offered, as required bolt is inserted into the first pin hole and first simultaneously and opened
First nut 4 can be well fixed on axis 3 by hole 31, and bolt is inserted into the second pin hole and the second aperture 32 simultaneously, can
The second nut 5 to be well fixed on axis 3.
The upper end of rotating seat 2 is provided with bumping post 21, and bumping post 21 is an integral molding structure with rotating seat 2, reset spring 6 it is upper
Portion is extended with the first extension 61 to its side, and lower part is extended with the second extension 62 to its side, and the first extension 61 is flat
For row in the second extension 62, the first extension 61 and the second extension 62 are butted on the two sides of bumping post 21 respectively, and the one of the first nut 4
End is fixedly installed the first block 42, and one end of the second nut 5 is fixedly installed the second block 52, and the first block 42 is against first
Extension 61 is close to the side of bumping post 21, and the second block 52 is against the second extension 62 close to the side of bumping post 21, rotating seat 2
Lower end is fixedly installed second gear 22, the central axis of second gear 22 and the center overlapping of axles of axis 3, two groups of first gears 9
Lower end be articulated on pedestal 8, the line of the central axis of two groups of first gears 9 is parallel or coincides in two groups of second gears 22
The line of mandrel, two groups of first gears 9 are intermeshed with adjacent second gear 22 respectively.
Two groups of first gears 9 can be replaced with other structures, be driven two groups of second gears 22 mutually, such as it is logical
Cross the modes such as synchronous belt, hinge.
There are two washers 7, and is located at the top and bottom of rotating seat 2, and the top and bottom of rotating seat 2 are respectively set
There is the space for placing washer 7, upper and lower two washers 7 make the very smoothly rotation of rotating seat 2, will not deflect and shake.
It is provided with step 81 on pedestal 8 between two groups of rotary units, mounting hole 82, the rotation are offered on step 81
Seat 2 is arcuate structure close to the one side of first gear 9, fixes peace by mounting hole 82 on step 81 according to actual needs
A partition is filled, the side of the arcuate structure of rotating seat 2 is made to surround the two sides rotation of partition respectively, partition can block two well
The gap between door or window is fanned, achievees the effect that beauty.
Working principle: 1. are described in order to clearer, herein distinguish two groups of symmetrical door close window units
The referred to as door close window unit of the door close window unit on the left side and the right, the part for being included also so are distinguished and are retouched
It states；The two fans door is referred to as first and second below, please refers to figure for the same side opens simultaneously two fan doors
11 to Figure 13,101 indicate first in figure, and 102 indicate second, and 103 indicate automatic closing door window unit of the invention, 104
Indicate bidirectional balanced door and window unit of the invention.
2. on the wall by first 101 left side automatic closing door window unit 103 through the invention or hinge setting,
First 101 right side is fixedly connected with the bumping post 21 on the left side, by the fixed company of the bumping post 21 on second 102 left side and the right
It connects, according to the actual needs, a partition is set between the rotating seat 2 on the left side and the rotating seat 2 on the right, to block first
Gap between 101 and second 102.
2-1. pulls second 102 right side in a clockwise direction, and the bumping post 21 on the right stirs the second of the right clockwise
Extension 62, while first extension 61 on the right is blocked by first block 42 on the right, and the reset spring 6 on the right is made to be contracted
Tightly, while the rotating seat 2 on the right is rotated counterclockwise by the rotating seat 2 that two groups of first gears 9 are driven the left side, and then makes the left side
Bumping post 21 stirs first extension 61 on the left side in direction counterclockwise, while second extension 62 on the left side is by the second of the left side
Block 52 blocks, and tightens the reset spring 6 on the left side；It is mutually folded with second 102 for first 101 at this time, and first
101 automatic closing door window unit 103 through the invention of door is opened that (its principle is describing a kind of to close automatically by counter clockwise direction
Close and illustrate in the working principle of door and window unit, details are not described herein), it realizes and has opened simultaneously two fan doors in the same side.
2-2. unclamp hand after, first 101 automatic closing door window unit 103 through the invention by clockwise from
Dynamic closure (its principle illustrates that details are not described herein in the working principle for describing a kind of automatic closing door window unit)；The right
Reset spring 6 reset the bumping post 21 that the elastic force generated forces second extension 62 on the right to push the right counterclockwise, the left side
The elastic force that reset spring 6 generates forces the bumping post 21 on the 61 urged clockwise left side of the first extension on the left side, two bumping posts 21
Rotation is carried out by the way that intermeshing two groups of first gears 9 are synchronous, and then two groups of rotating seats 2 is made to drive first 101 and second
Door 102 synchronous bidirectionals balance resets, and makes first 101 and second 102 automatic closure.
The above is not intended to limit the scope of the present invention, and all technical spirits according to the present invention are to above
Any modification, equivalent variations and modification made by embodiment, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of automatic closing door window unit, it is characterised in that: including pedestal (1) and rotary unit, the rotary unit includes
One end of rotating seat (2), axis (3), the first nut (4), the second nut (5) and reset spring (6), the axis (3) passes through
Rotating seat (2), and be fixed on pedestal (1), first nut (4), reset spring (6) and the second nut (5) cover
Set on axis (3), and the first nut (4) and the second nut (5) are fixedly connected with axis (3)；
The upper end of the rotating seat (2) is provided with bumping post (21), and the top of the reset spring (6) is extended with first to its side
Extension (61), and lower part is extended with the second extension (62) to its side, first extension (61) and the second extension
(62) it is butted on the two sides of bumping post (21) respectively, one end of first nut (4) is fixedly installed the first block (42), and described
One end of two nuts (5) is fixedly installed the second block (52), and it is close that first block (42) is against the first extension (61)
The side of bumping post (21), second block (52) are against the side of the second extension (62) close to bumping post (21).
2. a kind of automatic closing door window unit according to claim 1, it is characterised in that: first nut (4) resets
Spring (6), the second nut (5) and rotating seat (2) are sheathed on axis (3) in sequence from top to bottom.
3. a kind of automatic closing door window unit according to claim 1, it is characterised in that: the top of the axis (3) is
Rectangular parallelepiped structure, and be rounding corner structure between face and face, first nut (4) and the second nut (5) with axis (3)
Top is adapted, and is sheathed on the top of axis (3).
4. a kind of automatic closing door window unit according to claim 1, it is characterised in that: the side of first nut (4)
Face offers the first pin hole (41), and the side of the axis (3) offers the first aperture matched with the first pin hole
(31), the side of second nut (5) opens up the second pin hole (51), and the side of the axis (3) offers and the second axis
The second aperture (32) that pin hole matches.
5. a kind of automatic closing door window unit according to claim 1, it is characterised in that: the rotary unit further includes set
Washer (7) set on axis (3), there are two the washers (7), and is located at the top and bottom of rotating seat (2).
6. a kind of bidirectional balanced door and window unit, it is characterised in that: including rotation list described in any one of claim 1 to 5
Member further includes pedestal (8), and the rotary unit has two groups and is symmetrically set, and the lower end of the axis (3) is fixed at
On pedestal (8).
7. a kind of bidirectional balanced door and window unit according to claim 6, it is characterised in that: further include two groups of intermeshings and
The lower end of first gear (9) between two groups of rotating seats (2), the rotating seat (2) is fixedly installed second gear (22),
The central axis of the second gear (22) and the center overlapping of axles of axis (3), the company of the central axis of first gear described in two groups (9)
Line is parallel or coincides with the line of the central axis of two groups of second gears (22), and first gear described in two groups (9) is adjacent thereto respectively
Second gear (22) intermeshing.
8. a kind of bidirectional balanced door and window unit according to claim 6, it is characterised in that: first gear (9) pivot joint
In on pedestal (8).
9. a kind of bidirectional balanced door and window unit according to claim 6, it is characterised in that: between rotary unit described in two groups
Pedestal (8) on be provided with step (81), offer mounting hole (82) on the step (81).
10. a kind of bidirectional balanced door and window unit according to claim 6, it is characterised in that: the rotating seat (2) is close to the
The one side of one gear (9) is arcuate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286017.0A CN109930934B (en) | 2019-04-10 | 2019-04-10 | Automatic door and window closing unit and bidirectional balance door and window unit manufactured by using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286017.0A CN109930934B (en) | 2019-04-10 | 2019-04-10 | Automatic door and window closing unit and bidirectional balance door and window unit manufactured by using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109930934A true CN109930934A (en) | 2019-06-25 |
| CN109930934B CN109930934B (en) | 2024-04-26 |
Family
ID=66989698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910286017.0A Active CN109930934B (en) | 2019-04-10 | 2019-04-10 | Automatic door and window closing unit and bidirectional balance door and window unit manufactured by using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109930934B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2560717Y (en) * | 2002-07-17 | 2003-07-16 | 翰桥贸易股份有限公司 | Two-way spring hinge |
| KR20030062940A (en) * | 2002-01-21 | 2003-07-28 | 주식회사 에스엔드씨테크 | Hinge for auto-closing door |
| KR20030080750A (en) * | 2002-04-10 | 2003-10-17 | 우생윤 | Auto Door Closer Unit |
| CN2883624Y (en) * | 2006-02-23 | 2007-03-28 | 黎文武 | Safety door or window able to be continuous and parallel arranged |
| CN104903533A (en) * | 2012-10-04 | 2015-09-09 | In&Tec有限公司 | Hinge device for doors, shutters and the like |
| CN107762315A (en) * | 2017-11-07 | 2018-03-06 | 东莞市众瑞机械有限公司 | A kind of Anti-theft lock catch |
-
2019
- 2019-04-10 CN CN201910286017.0A patent/CN109930934B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030062940A (en) * | 2002-01-21 | 2003-07-28 | 주식회사 에스엔드씨테크 | Hinge for auto-closing door |
| KR20030080750A (en) * | 2002-04-10 | 2003-10-17 | 우생윤 | Auto Door Closer Unit |
| CN2560717Y (en) * | 2002-07-17 | 2003-07-16 | 翰桥贸易股份有限公司 | Two-way spring hinge |
| CN2883624Y (en) * | 2006-02-23 | 2007-03-28 | 黎文武 | Safety door or window able to be continuous and parallel arranged |
| CN104903533A (en) * | 2012-10-04 | 2015-09-09 | In&Tec有限公司 | Hinge device for doors, shutters and the like |
| CN107762315A (en) * | 2017-11-07 | 2018-03-06 | 东莞市众瑞机械有限公司 | A kind of Anti-theft lock catch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109930934B (en) | 2024-04-26 |
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