CN108153101A - A kind of transversely opened and closed parallel activity hinge cuts supporting type backrush projection screen - Google Patents
A kind of transversely opened and closed parallel activity hinge cuts supporting type backrush projection screen Download PDFInfo
- Publication number
- CN108153101A CN108153101A CN201810144254.9A CN201810144254A CN108153101A CN 108153101 A CN108153101 A CN 108153101A CN 201810144254 A CN201810144254 A CN 201810144254A CN 108153101 A CN108153101 A CN 108153101A
- Authority
- CN
- China
- Prior art keywords
- projection screen
- tube
- end cap
- support rod
- elastic component
- 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
- 230000000694 effects Effects 0.000 title claims abstract description 19
- 230000007704 transition Effects 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention discloses a kind of transversely opened and closed parallel activity hinges to cut supporting type backrush projection screen, including projection screen, left shell and right shell body, the first tube is rotatably connected in left shell, projection screen one end is fixedly connected with the first tube, the projection screen other end is fixedly connected with right shell body, first tube is equipped with the first elastic component, first elastic component can generate the torque for hindering or promoting the first tube to rotate, supporting device is connected between left shell and right shell body, supporting device includes two the first support rods for being hinged on left shell and two the second support rods for being hinged on right shell body, first support rod and the second support rod are hinged in free end, the second elastic component that may be such that right shell body deviates from left shell movement is equipped between left shell and the first support rod.The mechanical supporting device can realize projection screen automatically open and backrush, simple to operate, reliability is high.
Description
Technical field
The present invention relates to projection curtain device technical field, more particularly to a kind of transversely opened and closed parallel activity hinge is cut supporting type and is returned
Roll up projection screen.
Background technology
In order to improve the user experience of projection curtain device, more and more projection screens both increase projection screen and automatically open
And the function of backrush.
At present, most projection curtain device is all to realize automatically opening and returning for projection screen by motor control
Volume, but the mode of motor control easily breaks down, reliability is not very high.Also, for transversely opened and closed projection
For proscenia, it can not utilize the gravity of projection screen itself that curtain is caused to keep smooth, if still by the way of motor control,
It can not then realize opening and the backrush of projection screen.
Invention content
The technical problems to be solved by the invention are to provide a kind of mechanical achievable projection screen and automatically open with returning
The transversely opened and closed parallel activity hinge of volume cuts supporting type backrush projection screen.
Used technical solution to solve above-mentioned technical problem：A kind of transversely opened and closed parallel activity hinge cuts supporting type backrush
Projection screen, including projection screen and in semilune strip and can opposite fitting left shell and right shell body, the left housing
Be rotatably connected to the first tube in vivo, one end of the projection screen is fixedly connected with the first tube, the projection screen it is another
One end is fixedly connected with right shell body, first tube be equipped with the first elastic component, first elastic component can generate obstruction or
The torque that the first tube is promoted to rotate is connected with the bearing machine in lateral symmetry arrangement between the left shell and right shell body
Structure, the supporting device includes two the first support rods for being respectively hinged at left shell upper and lower part and two are respectively articulated with
The second support rod in right shell body upper and lower part, positioned at the first support rod of left shell and right shell body same section and second
It holds bar to be hinged in free end, the second elastic component, second elastic component is equipped between the left shell and the first support rod
It can generate and pull the rotation of the first support rod so that mobile pulling force occurs away from left shell for right shell body, one of them described the
Two support rods are equipped with limiting slot, another described second support rod is equipped with the limited post for being embedded in limiting slot, the limiting
Column can reciprocatingly slide along limiting slot.
Further, first tube is hollow tube, and first elastic component is to be embedded in inside hollow tube
Torsional spring, the hook of the torsional spring one end are fixedly connected with hollow tube, the hook and left shell of described torsional spring the other end
It is fixedly connected.
Further, a limit shaft for running through torsional spring is installed in the left shell, the end of the limit shaft is set
There is limiting through hole, the hook and limiting through hole of described torsional spring the other end, which pass through, trip bolt.
Further, second elastic component is draws high spring.
Further, the second tube is equipped in the right shell body, the other end of projection screen is fixedly connected on the second tube
On.
Further, the lower end of the left shell and right shell body is respectively equipped with left end cap and right end cap in semilunar,
The bottom of the left end cap and right end cap be equipped with it is a pair of perpendicular to projection screen and in stent positioned opposite.
Further, the left end cap and right end cap are equipped with groove that is perpendicular to projection screen and running through end cap, described
Stent is U-shaped spring, and the both ends of the U-shaped spring are bent to form limiting section, and the side wall at the groove both ends is equipped with for limiting
The limit hole that position portion is inserted into.
Further, the bottom surface of the groove is equipped with a pair of limit hook for being used to be limited to U-shaped spring in groove.
Further, the top of the left end cap is equipped with the limited block for being directed toward right end cap, and the top of the right end cap is equipped with
The elastic opening part of left end cap is directed toward, the limited block includes the driving portion that changes from small to big of lateral dimension and lateral dimension by big
The engaging portion to become smaller, the elastic opening part includes opening size transition part from large to small and opening size changes from small to big
Lock part, the engaging portion are mutually abutted with lock part.
Advantageous effect：In technical solution of the present invention, using mechanical supporting device, the obstruction generated using the first elastic component
Or the torque that the first tube is promoted to rotate, realize the backrush of projection screen；The pulling first generated using the second elastic component
Support rod rotates so that right shell body realizes the opening of projection screen away from the mobile pulling force of left shell generation.For being in beat
The projection screen of open state, the starting force for first making projection screen backrush to one so that the arm of force of the second elastic component reduces, until
First elastic component generates torque and is more than the torque that the second elastic component generates, the gradual automatic rewinding of projection screen, when left shell and the right side
When housing is bonded, the second elastic component is overlapped with the first support rod, forms self-locking state.For being in the projection screen of closed state,
The starting force for first opening projection screen to one so that the arm of force increase of the second elastic component is generated until the second elastic component
Torque is more than the torque that the first elastic component generates, and projection screen gradually automatically opens.Simple to operate, reliability is high.
Description of the drawings
The present invention is described further with reference to the accompanying drawings and examples；
It is in pull open state that Fig. 1 cuts supporting type backrush projection screen for a kind of transversely opened and closed parallel activity hinge of the embodiment of the present invention
Overall schematic；
Fig. 2 is left shell of the embodiment of the present invention and right shell body is in the schematic diagram of fit-state；
Fig. 3 is the schematic diagram that parallel activity of embodiment of the present invention hinge cuts that supporting device is in state of pulling open；
Fig. 4 is the assembling schematic diagram for the first tube that the embodiment of the present invention is embedded with torsional spring；
Fig. 5 is U-shaped of embodiment of the present invention spring in the schematic diagram for opening holding state；
Fig. 6 is the schematic diagram that U-shaped of embodiment of the present invention spring is in closed configuration；
Fig. 7 is the assembling schematic diagram of limited block of the embodiment of the present invention and elastic opening part.
Specific embodiment
Referring to figs. 1 to Fig. 7, a kind of transversely opened and closed parallel activity hinge of the embodiment of the present invention cuts supporting type backrush projection screen, wraps
Include projection screen 3 and in semilune strip and can opposite fitting left shell 1 and right shell body 2, in left shell 1 rotation connect
The first tube is connected to, one end of projection screen 3 is fixedly connected with the first tube, can be specifically by projection screen 3 by rubberizing
End be pasted onto on the arc surface of the first tube.The other end of projection screen 3 is fixedly connected with right shell body 2, specifically, right shell
The second tube is equipped in body 2, the other end of projection screen 3 is fixedly connected on the second tube.First tube is equipped with the first bullet
Property part, the first elastic component, which can generate, to be hindered or torque that the first tube is promoted to rotate, and the first tube has and makes projection screen 3
Keep the trend wound on its periphery.The supporting device 4 in lateral symmetry arrangement is connected between left shell 1 and right shell body 2, is propped up
It holds mechanism 4 and is respectively hinged at right shell including two the first support rods 41 for being respectively hinged at 1 upper and lower part of left shell and two
Second support rod 42 of 2 upper and lower part of body, positioned at the first support rod 41 of 2 same section of left shell 1 and right shell body and second
It holds bar 42 to be hinged in free end, the second elastic component is equipped between 1 and first support rod 41 of left shell, the second elastic component can produce
It is raw the first support rod 41 to be pulled to rotate so that mobile pulling force occurs away from left shell 1 for right shell body 2, one of them second
Bar 42 is held equipped with limiting slot 421, another second support rod 42 is equipped with the limited post 422 for being embedded in limiting slot 421, limiting
Column 422 can reciprocatingly slide along limiting slot 421, and by limiting, the first support rod 41 and the second support rod 42 are in left shell 1 and right shell
The top and the bottom of body 2 keep being synchronized with the movement, and then ensure that right shell body 2 is in vertically movable, ensure that entire projection screen 3 can be put down
Whole opening and backrush.
The present invention use mechanical supporting device 4, using the first elastic component generate obstruction or promote the first tube occur
The torque of rotation realizes the backrush of projection screen 3；The first support rod of pulling 41 generated using the second elastic component is rotated and then made
It obtains right shell body 2 and mobile pulling force occurs away from left shell 1, realize the opening of projection screen 3.By the connection side of the supporting device 4
Formula it is found that the first elastic component with the opening of projection screen 3, torque becomes larger；Second elastic component is beaten with projection screen 3
It opens, the arm of force becomes larger, and pulling force also becomes larger.For projection screen 3 in opened condition, first make projection screen 3 to one
The starting force of backrush so that the arm of force of the second elastic component reduces, and is produced until the first elastic component generates torque more than the second elastic component
Raw torque, 3 gradual automatic rewinding of projection screen, when left shell 1 and the fitting of right shell body 2, the second elastic component and the first bearing
Bar 41 overlaps, and forms self-locking state.For being in the projection screen 3 of closed state, first open projection screen 3 to one initial
Power so that the second elastic component the arm of force increase, until the second elastic component generate torque be more than the first elastic component generate torque,
Projection screen 3 gradually automatically opens.Simple to operate, reliability is high.
Preferably, the first tube is hollow tube 7, the first elastic component is the torsional spring 71 being embedded in inside hollow tube 7,
The hook of 71 one end of torsional spring is fixedly connected with hollow tube 7, and the hook of 71 the other end of torsional spring is fixed with left shell 1 to be connected
It connects.Meanwhile a limit shaft 11 for running through torsional spring 71 is installed in left shell 1, the end of limit shaft 11 is equipped with limiting through hole,
The hook and limiting through hole of 71 the other end of torsional spring, which pass through, trip bolt 12.By trip bolt 12 by 71 the other end of torsional spring
Hook be fixedly connected with limit shaft 11, hollow tube 7 is rotated relative to left shell 1, and one end of torsional spring 71 follows rotation, torsional spring 71
The other end do not rotate with respect to left shell 1.Projection screen 3 is opened, and 71 deformation of torsional spring is bigger, and torque is bigger；Projection screen 3
Backrush, 71 deformation of torsional spring is smaller, and torque is smaller.Meanwhile when left shell 1 and right shell body 2 are bonded to each other, torsional spring 71 also exist compared with
Small deformation, it is possible to provide the torque of self-locking.
Preferably, the second elastic component is draws high spring 43.The one end for drawing high spring 43 is fixed on the first support rod 41
Middle part, the other end are fixed on left shell 1, and its fixed point compared to the first support rod 41 hinge joint closer to left shell
1 upper and lower ends portion.When supporting device 4 is in closed configuration, draws high spring 43 and keep conllinear with the first support rod 41 substantially,
Be conducive to the state that supporting device 4 maintains a self-locking；When supporting device 4 is laterally-opening, draws high spring 43 and act on first
The arm of force in support rod 41 gradually increases, and the first support rod 41 is driven to rotate up and down respectively, and then right shell body 2 is pushed to carry on the back
It is moved from left shell 1, until projection screen 3 is fully open.
Preferably, the lower end of left shell 1 and right shell body 2 is respectively equipped in the left end cap 5 of semilunar and right end cap 6,
The bottom of left end cap 5 and right end cap 6 be equipped with it is a pair of perpendicular to projection screen 3 and in stent positioned opposite.Perpendicular to projection
Curtain 3 is set, and is conducive to maintain the balance of entire projection screen, is not susceptible to topple over phenomenon, convenient for vertically placing.
Preferably, left end cap 5 and right end cap 6 are equipped with groove 51 that is perpendicular to projection screen 3 and running through end cap bottom,
Stent is U-shaped spring 52, and the both ends of U-shaped spring 52 are bent to form limiting section, and the side wall at 51 both ends of groove is equipped with for limiting
The limit hole that portion is inserted into.U-shaped spring 52 can the rotation of relative limit hole, realize the opening of U-shaped spring 52 with closing up.When not needing to U
When shape spring 52 is supported, closes up and be placed in groove 51, reduce whole storage size.
Preferably, the bottom surface of groove 51 is equipped with a pair of limit hook for being used to be limited to U-shaped spring 52 in groove 51
53.Limit hook 53 is fixed on the one end of groove 51, and including the protrusion two back to setting, protrusion is directed toward the side of groove 51
Wall when needing to close up on U-shaped spring 52, above rotation U-shaped spring 52 to protrusion, applies a pressure so that U-shaped spring 52
It deforms upon, and then is caught in protrusion, realize the limiting of U-shaped spring 52.Concrete operations are：First by a U-shaped spring 52
It turns in groove 51, then another U-shaped spring 52 is turned to and is caught in protrusion, it is ensured that two U-shaped springs 52 will not
It is freely rotated.
Preferably, the top of left end cap 5 is equipped with the limited block 54 for being directed toward right end cap 6, the top of right end cap 6, which is equipped with, to be directed toward
The elastic opening part 55 of left end cap 5, limited block 54 include the driving portion 541 that changes from small to big of lateral dimension and lateral dimension by big
The engaging portion 542 to become smaller, elastic opening part 55 include opening size transition part 551 from large to small and opening size by small change
Big lock part 552, engaging portion 542 are mutually abutted with lock part 552.The abutting of driving portion 541 struts bullet to transition part 551
Property opening member 55, until engaging portion 542 is abutted with lock part 552, form buckle-type locking, further realize the projection screen from
Lock.Meanwhile it also is provided with limited block 54 and elastic opening in the left end cap 5 at 2 top of left shell 1 and right shell body and right end cap 6
Part 55 realizes the upper and lower end parts self-locking of projection screen.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned embodiment party
Formula, can also be before present inventive concept not be departed from the knowledge having in the technical field those of ordinary skill
Put that various changes can be made.
Claims (9)
1. a kind of transversely opened and closed parallel activity hinge cuts supporting type backrush projection screen, it is characterised in that：Including projection screen and it is in
Semilune strip and can opposite fitting left shell and right shell body, be rotatably connected to the first tube, institute in the left shell
The one end for stating projection screen is fixedly connected with the first tube, and the other end of the projection screen is fixedly connected with right shell body, described
First tube is equipped with the first elastic component, and first elastic component can generate the torsion for hindering or the first tube being promoted to rotate
Square, is connected with the supporting device in lateral symmetry arrangement between the left shell and right shell body, the supporting device includes two
The first support rod for being respectively hinged at left shell upper and lower part and two are respectively hinged at the second of right shell body upper and lower part
Support rod, the first support rod and the second support rod positioned at left shell and right shell body same section are hinged in free end, institute
It states and the second elastic component is equipped between left shell and the first support rod, second elastic component, which can generate, pulls the rotation of the first support rod
So that mobile pulling force occurs away from left shell for right shell body, one of them described second support rod is equipped with limiting slot, separately
One second support rod is equipped with the limited post for being embedded in limiting slot, and the limited post can reciprocatingly slide along limiting slot.
2. transversely opened and closed parallel activity hinge according to claim 1 cuts supporting type backrush projection screen, it is characterised in that：It is described
First tube is hollow tube, and first elastic component is the torsional spring being embedded in inside hollow tube, the torsional spring one end
Hook be fixedly connected with hollow tube, the hook of described torsional spring the other end is fixedly connected with left shell.
3. transversely opened and closed parallel activity hinge according to claim 2 cuts supporting type backrush projection screen, it is characterised in that：It is described
A limit shaft for running through torsional spring is installed in left shell, the end of the limit shaft is equipped with limiting through hole, and the torsional spring is another
The hook and limiting through hole of one end, which pass through, trip bolt.
4. transversely opened and closed parallel activity hinge according to claim 1 cuts supporting type backrush projection screen, it is characterised in that：It is described
Second elastic component is draws high spring.
5. transversely opened and closed parallel activity hinge according to claim 1 cuts supporting type backrush projection screen, it is characterised in that：It is described
The second tube is equipped in right shell body, the other end of projection screen is fixedly connected on the second tube.
6. transversely opened and closed parallel activity hinge according to claim 1 cuts supporting type backrush projection screen, it is characterised in that：It is described
The lower end of left shell and right shell body is respectively equipped with the bottom of left end cap and right end cap in semilunar, the left end cap and right end cap
Portion be equipped with it is a pair of perpendicular to projection screen and in stent positioned opposite.
7. transversely opened and closed parallel activity hinge according to claim 6 cuts supporting type backrush projection screen, it is characterised in that：It is described
Left end cap and right end cap are equipped with perpendicular to projection screen and through the groove of end cap, and the stent is U-shaped spring, the U-shaped
The both ends of spring are bent to form limiting section, and the side wall at the groove both ends is equipped with the limit hole being inserted into for limiting section.
8. transversely opened and closed parallel activity hinge according to claim 7 cuts supporting type backrush projection screen, it is characterised in that：It is described
The bottom surface of groove is equipped with a pair of limit hook for being used to be limited to U-shaped spring in groove.
9. transversely opened and closed parallel activity hinge according to claim 6 cuts supporting type backrush projection screen, it is characterised in that：It is described
The top of left end cap is equipped with the limited block for being directed toward right end cap, and the top of the right end cap is equipped with the elastic opening for being directed toward left end cap
Part, the limited block include the engaging portion of the lateral dimension driving portion and lateral dimension that change from small to big from large to small, the bullet
Property opening member include the lock part that opening size transition part from large to small and opening size change from small to big, the engaging portion with
Lock part mutually abuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810144254.9A CN108153101B (en) | 2018-02-11 | 2018-02-11 | Support type rollback projection screen is cut to horizontal open and shut parallel activity hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810144254.9A CN108153101B (en) | 2018-02-11 | 2018-02-11 | Support type rollback projection screen is cut to horizontal open and shut parallel activity hinge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108153101A true CN108153101A (en) | 2018-06-12 |
| CN108153101B CN108153101B (en) | 2023-11-07 |
Family
ID=62458887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810144254.9A Active CN108153101B (en) | 2018-02-11 | 2018-02-11 | Support type rollback projection screen is cut to horizontal open and shut parallel activity hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108153101B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11332249B2 (en) | 2020-01-14 | 2022-05-17 | B/E Aerospace, Inc. | Actuatable display devices for aircraft passenger compartment suites |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB562013A (en) * | 1942-12-02 | 1944-06-14 | John Leslie Stableford | Improvements in or relating to roll-up screens and awnings |
| CN2120350U (en) * | 1992-03-28 | 1992-10-28 | 陈逸呜 | Electric controlling apparatus for screen |
| US6297905B1 (en) * | 1998-08-20 | 2001-10-02 | Izumi-Cosmo Co., Ltd. | Portable screen assembly |
| JP2011028209A (en) * | 2009-07-24 | 2011-02-10 | Guangzhou Grandview Crystal Screen Co Ltd | Screen device |
| CN102608857A (en) * | 2012-03-10 | 2012-07-25 | 伍炳辉 | Novel floor standing screen |
| CN207882645U (en) * | 2018-02-11 | 2018-09-18 | 广州市雄云视听设备有限公司 | A kind of transversely opened and closed parallel activity hinge cuts supporting type backrush projection screen |
-
2018
- 2018-02-11 CN CN201810144254.9A patent/CN108153101B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB562013A (en) * | 1942-12-02 | 1944-06-14 | John Leslie Stableford | Improvements in or relating to roll-up screens and awnings |
| CN2120350U (en) * | 1992-03-28 | 1992-10-28 | 陈逸呜 | Electric controlling apparatus for screen |
| US6297905B1 (en) * | 1998-08-20 | 2001-10-02 | Izumi-Cosmo Co., Ltd. | Portable screen assembly |
| JP2011028209A (en) * | 2009-07-24 | 2011-02-10 | Guangzhou Grandview Crystal Screen Co Ltd | Screen device |
| CN102608857A (en) * | 2012-03-10 | 2012-07-25 | 伍炳辉 | Novel floor standing screen |
| CN207882645U (en) * | 2018-02-11 | 2018-09-18 | 广州市雄云视听设备有限公司 | A kind of transversely opened and closed parallel activity hinge cuts supporting type backrush projection screen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11332249B2 (en) | 2020-01-14 | 2022-05-17 | B/E Aerospace, Inc. | Actuatable display devices for aircraft passenger compartment suites |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108153101B (en) | 2023-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207977988U (en) | A kind of infolding flexible screen mobile terminal hinge and infolding flexible screen mobile terminal | |
| US11194366B2 (en) | Semi-automatic hinge of a mobile terminal having an inward-foldable flexible screen and a mobile terminal having an inward-foldable flexible screen | |
| CN108173995A (en) | A kind of infolding flexible screen mobile terminal hinge and infolding flexible screen mobile terminal | |
| KR100705063B1 (en) | Stand of an image display divice | |
| CN208705766U (en) | Intelligent terminal | |
| US8561259B2 (en) | Dampening hinge | |
| CN207977989U (en) | A kind of infolding flexible screen mobile terminal | |
| CN107424517B (en) | A kind of flexible display taken down the exhibits | |
| CN207882645U (en) | A kind of transversely opened and closed parallel activity hinge cuts supporting type backrush projection screen | |
| RU2656843C1 (en) | Loop with damping effect and device supplied with such loop | |
| JP2000337015A (en) | Overhead cabinet with pivoted door | |
| CN108153101A (en) | A kind of transversely opened and closed parallel activity hinge cuts supporting type backrush projection screen | |
| JP5438492B2 (en) | Screen device | |
| CN209724958U (en) | Rotational structure and Earphone box | |
| CN208901713U (en) | The flip beam locking structure of refrigerator | |
| JP2008057259A (en) | Door closing implement, and door closing unit of sliding door | |
| CN108104639A (en) | A kind of adjustable Pinless hinge with guide member of three-dimensional | |
| CN208056900U (en) | A kind of Pinless hinge with guide member with buffer unit | |
| CN110094127A (en) | A kind of universal built-in refrigerator hinge | |
| CN211533296U (en) | Lifting clothes hanging rod | |
| CN208056894U (en) | A kind of adjustable Pinless hinge with guide member of three-dimensional | |
| CN108049748A (en) | A kind of Pinless hinge with guide member with buffer unit | |
| CN211115343U (en) | Improved hinge for load-bearing oven | |
| KR200390896Y1 (en) | a mini ping-pong table | |
| JP3120212B2 (en) | Door opening / closing damper |
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 |