CN109403536B - Push type movable connecting device for suspended ceiling and installation method thereof - Google Patents
Push type movable connecting device for suspended ceiling and installation method thereof Download PDFInfo
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- CN109403536B CN109403536B CN201710700766.4A CN201710700766A CN109403536B CN 109403536 B CN109403536 B CN 109403536B CN 201710700766 A CN201710700766 A CN 201710700766A CN 109403536 B CN109403536 B CN 109403536B
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- plate
- push
- spring buckle
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
- E04B9/24—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto
- E04B9/26—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto by means of snap action of elastically deformable elements held against the underside of the supporting construction
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a push-type movable connecting device for a suspended ceiling and an installation method thereof, wherein the push-type movable connecting device comprises an upper fixing plate, a spring buckle, a thimble plate and a lower fixing seat, a first installation hole is formed in the upper fixing plate, the upper end of the spring buckle is provided with a fixing surface, the middle of the spring buckle is provided with a pair of V-shaped folded edges, the lower end of the spring buckle is provided with a pair of clamping hooks, the fixing surface is used for being installed at the lower end of the upper fixing plate, and an elastic clamping opening is formed between the pair of V-shaped folded edges; the upper end of the ejector pin plate is provided with a wedge-shaped head, the upper end of the lower fixing seat is provided with a wedge head formed by a pair of inclined planes, an inverted T-shaped groove is formed in the wedge head, a flat hook is respectively arranged at the bottom of each inclined plane, the lower end of the ejector pin plate is inserted into the inverted T-shaped groove, the wedge head of the lower fixing seat is inserted into a clamping hook of a spring buckle, and the flat hook of the lower fixing seat is hooked by the clamping hook so as to realize the fixed connection of the upper part and the lower part. The invention has the advantages of large hanging bearing capacity, small resistance of the plate mounting and dismounting, convenient operation and more applicable suspended ceiling plate forms.
Description
Technical Field
The invention belongs to a suspended ceiling connecting piece, and particularly relates to a push-type movable connecting device for a suspended ceiling and an installation method thereof.
Background
Currently, suspended ceiling products are increasingly used in interior decoration of buildings. Most of the existing suspended ceiling products are of undetachable structures or difficult to detach, so that the following defects exist: the existing building equipment is more and more in variety, various pipelines and sensors are hidden in a suspended ceiling layer, and an undetachable suspended ceiling is used, so that inconvenience is brought to maintenance of the building equipment. At present, the common practice is to provide an access hole on the suspended ceiling surface, so that maintenance personnel can enter a narrow space through the access hole to carry out equipment maintenance, which is a very hard work. Meanwhile, the existence of the access opening influences the overall decoration effect of the suspended ceiling surface to a certain extent, and is rejected by some designers or owners. Thus, a designer, or owner, will typically present: the whole suspended ceiling surface is provided with a plurality of openable suspended ceiling boards, the appearance of the suspended ceiling boards is consistent with that of other suspended ceiling boards, and the suspended ceiling boards can be conveniently opened when needed, so that the suspended ceiling board has the function of an overhaul port. In order to realize the installation of the openable suspended ceiling plate, a movable connecting piece is required to be adopted to realize the functions of connection and separation. Spring snap connection 100 is a relatively common type, see fig. 1. However, there are some limitations to using a snap-in connection with a spring: there is a conflict between the hanging bearing capacity of the connecting piece and the resistance when the board is detached. As the connecting piece, the hanging bearing capacity is required to be large, and when the plate is detached, the plate detaching force exceeds the hanging bearing capacity, so that the connecting piece can be separated, the plate detaching force is excessive, and the ceiling plate is possibly damaged; meanwhile, as the force for disassembling the plate is far away from the suspended top surface, special tools such as a sucker and the like are needed to be adopted for operation. Therefore, the method can be generally used on the ceiling plate with relatively light weight and small block surface size, and has great limitation.
Disclosure of Invention
The invention aims to solve the technical problem of providing a push-type movable connecting device for a suspended ceiling and an installation method thereof, and the push-type movable connecting device has the advantages of large hanging bearing capacity, small resistance of a plate mounting and a plate dismounting, and convenience in operation, and is applicable to a plurality of suspended ceiling plates.
In order to solve the technical problems, the invention adopts the following technical scheme:
on the one hand, a push type swing joint device for furred ceiling, its characterized in that: the upper part comprises an upper fixing plate and a spring buckle, the upper fixing plate is used for connecting and installing a keel or a building main body, the upper end of the spring buckle is connected with the upper fixing plate, a pair of V-shaped folded edges are arranged in the middle, a pair of clamping hooks are arranged at the lower end of the spring buckle, and an elastic clamping opening is formed between the pair of V-shaped folded edges; the lower part includes thimble board and lower fixing base, the thimble board upper end has wedge head, be equipped with a pair of constant head tank in the middle of the wedge head, belong to thimble board lower extreme both sides all are equipped with protruding muscle, lower fixing base upper end is equipped with the slide wedge head that forms by a pair of inclined plane, the opening is in the middle of the slide wedge head, is equipped with the inverted T-shaped groove in the inside, and the inclined plane bottom has a flat hook respectively, the flat hook below is equipped with a corresponding stopping face respectively, the stopping face below is equipped with the bottom plate, the bottom plate is used for connecting the furred ceiling board, the thimble board lower extreme inserts in the inverted T-shaped inslot, and through protruding muscle with the travel limit that the inverted T-shaped groove formed the thimble board reciprocates, will the slide wedge head of lower fixing base inserts the clamp hook of spring buckle, and pass through the clamp hook hooks hold down the fixed connection of fixing base in order to realize upper and lower two parts.
The upper end of the spring fastener is provided with a fixing surface, and the upper fixing plate is provided with a pair of flanging and is clamped on two sides of the fixing surface of the spring fastener through the flanging.
The upper fixing plate is provided with rivet fixing holes, and the fixing surface of the spring buckle is provided with corresponding round holes and connected through rivets.
And the upper fixing plate is also provided with a reinforcing rib.
And two sides of the end part of the inverted T-shaped groove are respectively provided with a limiting clamping block.
The bottom plates are respectively arranged below one side of the retaining surfaces and are connected with the retaining surfaces on the same side to form a step shape.
The upper fixing plate is provided with a first mounting hole, and the bottom plate is provided with a second mounting hole.
One end of the bottom plate is connected with an upward and inward inclined mounting plate, and a second mounting hole is formed in the mounting plate.
The bottom plate is connected to the bottom of the retaining surface and protrudes out of two ends of the retaining surface, and two protruding parts of the bottom plate are respectively provided with a second mounting hole.
On the other hand, the installation method of the push-type movable connecting device for the suspended ceiling comprises the following steps of:
A. the spring buckle is arranged on the upper fixing plate and then is arranged on the installation keel or the building main body through the upper fixing plate;
B. inserting the lower end of the ejector plate into an inverted T-shaped groove of the lower fixing seat, forming a travel limit for the upward and downward movement of the ejector plate through the convex rib and the inverted T-shaped groove, and connecting the bottom of the lower fixing seat with the ceiling plate;
C. the wedge head of the lower fixing seat is inserted into the clamping hook of the spring buckle, and the flat hook of the lower fixing seat is hooked by the clamping hook of the spring buckle so as to realize the fixed connection of the upper part and the lower part.
The push type movable connecting device for the suspended ceiling and the installation method thereof have the following advantages:
1. the clamping hook of the spring buckle is connected with the flat hook of the lower fixing seat, so that the hanging bearing capacity is high. When the suspended ceiling connecting piece is disassembled, the structures such as the wedge-shaped head and the inclined wedge head are utilized to obtain smaller disassembly resistance, the contradiction between the bearing capacity and the disassembly force of the common spring buckle connecting piece is solved, and the suspended ceiling connecting piece is suitable for various suspended ceiling products through different fixing forms and has wide applicability.
2. In the installation and opening operation of the suspended ceiling plate, special tools such as a sucker and the like are not needed, so that maintenance and cleaning work of property maintenance personnel are facilitated.
3. The maintenance hole is omitted in appearance, the overall effect of the suspended ceiling is consistent, the visual effect of the decorative surface is good, and the suspended ceiling can be approved by vast owners and designers.
Drawings
The invention is described in detail below with reference to the attached drawings and detailed description:
fig. 1 is a schematic structural view of a conventional spring snap connector.
Fig. 2 is a schematic structural view of a first embodiment of a push-type movable connection device for suspended ceilings according to the present invention.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a perspective view of fig. 2.
Fig. 5 is a perspective view of the upper fixing plate of fig. 2.
Fig. 6 is a side view of the spring clip of fig. 2.
Fig. 7 is a perspective view of the spring clip of fig. 2.
FIG. 8 is a schematic perspective view of the ejector plate of FIG. 2.
Fig. 9 is a perspective view of the lower fixing base of fig. 2.
Fig. 10 is a schematic view of a state before the ceiling tile is ready for installation in the first embodiment.
Fig. 11 is a schematic view showing a state of the middle position of the ceiling tile installation process in the first embodiment.
Fig. 12 is a schematic view showing a state in which the ceiling tile is mounted in place in the first embodiment.
Fig. 13 to 15 are views showing the state of the ceiling tile in three positions during the disassembly process in the first embodiment, respectively.
Fig. 16-17 are structural perspective views of upper and lower parts, respectively, of a second embodiment of the present invention.
Fig. 18 is a schematic view of the structure of the ceiling tile of the second embodiment in place.
Fig. 19 is a schematic view showing the construction of the ceiling tile of the third embodiment in place.
Fig. 20 is a structural perspective view of the lower part of the fourth embodiment of the present invention.
Fig. 21 is a schematic view showing the construction of a ceiling tile according to the fourth embodiment in place.
In the figure: the novel plastic plate comprises an upper fixing plate, a first mounting hole, a rivet fixing hole, a 13 flanging, a 14 reinforcing rib, a 15 round angle, a 2 spring buckle, a 21 clamping hook, a 22V-shaped flanging, a 23 elastic clamping opening, a 24 round hole, a 25 fixing surface, a 3 ejector plate, a 31 wedge-shaped head, a 32 positioning groove, a 33 straight section, a 34 convex rib, a 4 lower fixing seat, a 41 inverted T-shaped groove, a 42 flat hook, a 43 inclined surface, a 44 wedge head, a 45 second mounting hole, a 46 retaining surface, a 47 limiting clamping block, a 48 mounting plate, a 49 bottom plate, a 5 mounting keel, a 6 ceiling plate, 7 rivets and an 8 hinge type connecting piece.
Detailed Description
Example 1
Referring to fig. 2-9, the push-type movable connection device for suspended ceilings in this embodiment mainly includes an upper portion and a lower portion, wherein the upper portion is mounted on a mounting keel 5 of a suspended ceiling or on a main body of a building, and includes an upper fixing plate 1 and a spring buckle 2, the upper fixing plate 1 is a stamped part, a first mounting hole 11 for connecting the mounting keel 5 or the main body of the building is provided on the upper fixing plate 1, the first mounting hole 11 is a slotted hole, a pair of flanges for connecting the spring buckle 2 and a pair of reinforcing ribs 14 for improving the strength of the upper fixing plate 1 are further provided on the upper fixing plate 1, and four corners of the upper fixing plate 1 are designed as fillets 15 capable of improving the mounting feel; the spring buckle 2 is made of elastic materials and is of a symmetrical shape, the upper end of the spring buckle is provided with a horizontal fixing surface 25, the middle of the spring buckle is provided with a pair of V-shaped folded edges 22, the lower end of the spring buckle is provided with a pair of clamping hooks 21, the fixing surface 25 is clamped on two sides of the fixing surface 25 by the turned edges of the upper fixing plate 1 to form a connecting structure, and an elastic clamping opening 23 is formed between the pair of V-shaped folded edges 22. The lower part is fixed on the back of the suspended ceiling plate 6 and comprises an ejector plate 3 and a lower fixing seat 4, wherein the upper end of the ejector plate 3 is provided with a wedge-shaped head 31, a circle of positioning groove 32 is arranged in the middle of the wedge-shaped head 31, a straight section 33 is arranged in the middle of the ejector plate 3, and convex ribs 34 are arranged on two sides of the lower end; the upper end of the lower fixing seat 4 is provided with a wedge head 44 formed by a pair of inclined planes 43, the middle of the wedge head 44 is provided with an opening, an inverted T-shaped groove 41 is formed in the wedge head, a flat hook 42 is respectively arranged at the bottom of the inclined planes 43, a corresponding stopping surface 46 is respectively arranged below the flat hook 42, a bottom plate 49 is arranged below the stopping surface 46, the bottom plate 49 is respectively arranged below one side of the stopping surface 46 and is connected with the stopping surface 46 on the same side to form a step shape, and a second mounting hole 45 for connecting the suspended ceiling plate 6 is respectively arranged on the bottom plate 49. The lower end of the ejector plate 3 is inserted into the inverted T-shaped groove 41, and is matched with the inverted T-shaped groove 41 through the convex rib 34 to form the travel limit of the ejector plate 3 moving up and down, the upper end of the ejector plate 3 is inserted into the elastic clamping opening 23 of the spring buckle 2 through the wedge-shaped head 31 and is fixed on the positioning groove 32, and the flat hook 42 of the lower fixing seat 4 is hooked through the clamping hook 21 of the spring buckle 2 to realize the fixed connection of the upper part and the lower part. In addition, after being assembled with the ejector plate 3, limiting clamping blocks 47 are respectively machined on two sides of the end part of the inverted T-shaped groove 41 so as to prevent the ejector plate 3 from falling off.
The working mode of the connecting device of the embodiment is divided into two processes of connection-installation, separation and opening.
Referring to fig. 10-12, the attach-mount procedure is as follows: the ejector plate 3 and the wedge head 44 of the lower part fixed on the ceiling plate 6 are aligned with the clamping hooks 21 of the corresponding spring buckles 2 of the upper part, the lower part is pushed to the upper part, in the process, the clamping hooks 21 of the spring buckles 2 are opened by the wedge head 44, finally, the upper part and the lower part are hooked on the flat hooks 42 of the lower fixing seat 4, the upper part and the lower part are connected, and the ceiling plate 6 is installed.
Referring to fig. 13-15, the separation-opening process is as follows: when the ceiling plate 6 needs to be opened, the part of the ceiling plate 6 provided with the connecting device of the embodiment is pushed upwards, the lower part is pushed upwards again, the wedge-shaped head 31 of the ejector plate 3 is pushed into the elastic clamping opening 23 of the spring clamp 2, the clamping hook 21 of the spring clamp 2 is opened, finally, the clamping hook 21 of the spring clamp 2 is pushed against the stopping surface 46, the lower part cannot continue to push the upper part, an operator can feel that the push-up is in place, the push can be stopped, the ejector plate 6 is gently held, the ejector plate is slowly put down, the ejector plate 3 is clamped by the spring clamp 2 because of the self weight of the ceiling plate 6, the ejector plate is temporarily not lowered, the clamping hook 21 of the spring clamp 2 is kept in an opened state after the lower fixing seat 4 is lowered for a certain distance, the inverted T-shaped groove 41 of the lower fixing seat 4 pulls the ejector plate 3 to be lowered together, the ejector plate 3 is pulled out of the clamping opening 23 of the spring clamp 2 when the lower fixing seat 4 is continuously lowered, the wedge-shaped clamping hook 4 is stopped from being separated from the upper part of the spring clamp 2 until the upper part of the ceiling plate 6 is completely detached, and the wedge-shaped part is not completely detached from the upper part of the ceiling plate 4 because of the lifting plate 6 is started. After separation, the upper part and the lower part are restored to the state before installation, and the installation connection can be carried out again, thereby playing the role of the movable connecting piece.
Example 2
As shown in fig. 16-17, the difference between the present embodiment and embodiment 1 is that: the upper fixing plate 1 is provided with a rivet fixing hole 12, and a fixing surface 25 of the spring buckle 2 is provided with a corresponding round hole 24 and is connected through a rivet 7. A mounting plate 48 inclined upward and inward is connected to one end of a right bottom plate 49, and the second mounting hole 45 is provided in the mounting plate 48. The ceiling tile 6 employing this embodiment is mounted in place as shown in figure 18.
Example 3
This embodiment differs from embodiment 2 only in the mounting manner: the embodiment is matched with hinge type connectors such as double hinge shafts and the like for installation, as shown in fig. 19, one side of the suspended ceiling plate 6 adopts the hinge type connector 8, and the other side adopts the connecting device of the embodiment, so that the suspended ceiling plate 6 can be vertically suspended below the installation keel 5 after being opened.
Example 4
As shown in fig. 20, the difference between this embodiment and embodiment 1 is that: the bottom plate 49 is connected to the bottom of the retaining surface 46 and protrudes from two ends of the retaining surface 46, and the second mounting holes 45 are respectively formed in two protruding portions of the bottom plate to meet the mounting requirement of the occasion shown in fig. 21, compared with the embodiment 3, one side of the ceiling plate 6 adopts the hinge type connecting piece 8, and the other side adopts the connecting device of the embodiment, and the ceiling plate 6 can be vertically hung under the mounting keel 5 after being opened.
However, it will be appreciated by persons skilled in the art that the above embodiments are provided for illustration of the invention and not for limitation thereof, and that changes and modifications to the above described embodiments are intended to fall within the scope of the appended claims as long as they fall within the true spirit of the invention.
Claims (8)
1. The utility model provides a push type swing joint device for furred ceiling which characterized in that: the upper part comprises an upper fixing plate and a spring buckle, the upper fixing plate is used for connecting and installing a keel or a building main body, the upper end of the spring buckle is connected with the upper fixing plate, a pair of V-shaped folded edges are arranged in the middle, a pair of clamping hooks are arranged at the lower end of the spring buckle, and an elastic clamping opening is formed between the pair of V-shaped folded edges; the lower part includes thimble board and lower fixing base, the thimble board upper end has wedge head, be equipped with a pair of constant head tank in the middle of the wedge head, belong to thimble board lower extreme both sides all are equipped with protruding muscle, lower fixing base upper end is equipped with the slide wedge head that forms by a pair of inclined plane, the opening is in the middle of the slide wedge head, is equipped with the inverted T-shaped groove in the inside, and the inclined plane bottom has a flat hook respectively, the flat hook below is equipped with a corresponding stopping face respectively, stopping face below is equipped with the bottom plate, the bottom plate is used for connecting the furred ceiling board, thimble board lower extreme inserts in the inverted T-shaped inslot, and through protruding muscle with the travel limit that the inverted T-shaped groove formed the thimble board reciprocated will down the slide wedge head of fixing base inserts the clip hook, and through the clip hook of fixing base down two upper and lower parts's fixed connection in order to realize, the spring clip upper end has a fixed face, be equipped with a pair of turn-ups on the fixed plate to be equipped with spacing fixture block of both sides of the fixed face of spring.
2. The push-type movable connection device for suspended ceilings according to claim 1, wherein: the upper fixing plate is provided with rivet fixing holes, and the fixing surface of the spring buckle is provided with corresponding round holes and connected through rivets.
3. The push-type movable connection device for suspended ceilings according to claim 1, wherein: and the upper fixing plate is also provided with a reinforcing rib.
4. The push-type movable connection device for suspended ceilings according to claim 1, wherein: the bottom plates are respectively arranged below one side of the retaining surfaces and are connected with the retaining surfaces on the same side to form a step shape.
5. The push-type movable connection device for suspended ceilings according to claim 1, wherein: the upper fixing plate is provided with a first mounting hole, and the bottom plate is provided with a second mounting hole.
6. The push-type movable connection device for suspended ceilings according to claim 1, wherein: one end of the bottom plate is connected with an upward and inward inclined mounting plate, and a second mounting hole is formed in the mounting plate.
7. The push-type movable connection device for suspended ceilings according to claim 1, wherein: the bottom plate is connected to the bottom of the retaining surface and protrudes out of two ends of the retaining surface, and two protruding parts of the bottom plate are respectively provided with a second mounting hole.
8. A method of installing a push-to-connect apparatus for a suspended ceiling as set forth in any one of claims 1 to 7, comprising the steps of:
A. the spring buckle is arranged on the upper fixing plate and then is arranged on the installation keel or the building main body through the upper fixing plate;
B. inserting the lower end of the ejector plate into an inverted T-shaped groove of the lower fixing seat, forming a travel limit for the upward and downward movement of the ejector plate through the convex rib and the inverted T-shaped groove, and connecting the bottom of the lower fixing seat with the ceiling plate;
C. the wedge head of the lower fixing seat is inserted into the clamping hook of the spring buckle, and the flat hook of the lower fixing seat is hooked by the clamping hook of the spring buckle so as to realize the fixed connection of the upper part and the lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700766.4A CN109403536B (en) | 2017-08-16 | 2017-08-16 | Push type movable connecting device for suspended ceiling and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700766.4A CN109403536B (en) | 2017-08-16 | 2017-08-16 | Push type movable connecting device for suspended ceiling and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109403536A CN109403536A (en) | 2019-03-01 |
| CN109403536B true CN109403536B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710700766.4A Active CN109403536B (en) | 2017-08-16 | 2017-08-16 | Push type movable connecting device for suspended ceiling and installation method thereof |
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| Country | Link |
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| CN (1) | CN109403536B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585600A (en) * | 2021-08-09 | 2021-11-02 | 浙江亚厦装饰股份有限公司 | Assembled furred ceiling card inserted interior knot fossil fragments |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0681069A1 (en) * | 1994-03-29 | 1995-11-08 | CLESTRA CLEANROOM, Société Anonyme | Accessible suspended false ceiling |
| KR101286775B1 (en) * | 2012-03-28 | 2013-07-16 | 대안스틸 주식회사 | Clip-bar assembly structure for fixed and floating ceiling panels to prevent carrying channel |
| CN103669675A (en) * | 2013-11-20 | 2014-03-26 | 浙江亚厦装饰股份有限公司 | Connecting device for suspended ceiling |
| CN204876270U (en) * | 2015-07-14 | 2015-12-16 | 浙江亚厦装饰股份有限公司 | Erection joint spare of furred ceiling decoration panel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101020997B1 (en) * | 2008-07-17 | 2011-03-09 | 송권용 | Ceiling panel with spring mounting |
-
2017
- 2017-08-16 CN CN201710700766.4A patent/CN109403536B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0681069A1 (en) * | 1994-03-29 | 1995-11-08 | CLESTRA CLEANROOM, Société Anonyme | Accessible suspended false ceiling |
| KR101286775B1 (en) * | 2012-03-28 | 2013-07-16 | 대안스틸 주식회사 | Clip-bar assembly structure for fixed and floating ceiling panels to prevent carrying channel |
| CN103669675A (en) * | 2013-11-20 | 2014-03-26 | 浙江亚厦装饰股份有限公司 | Connecting device for suspended ceiling |
| CN204876270U (en) * | 2015-07-14 | 2015-12-16 | 浙江亚厦装饰股份有限公司 | Erection joint spare of furred ceiling decoration panel |
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| CN109403536A (en) | 2019-03-01 |
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