CN209556209U - A kind of ceiling that spacing is adjustable - Google Patents
A kind of ceiling that spacing is adjustable Download PDFInfo
- Publication number
- CN209556209U CN209556209U CN201920023214.9U CN201920023214U CN209556209U CN 209556209 U CN209556209 U CN 209556209U CN 201920023214 U CN201920023214 U CN 201920023214U CN 209556209 U CN209556209 U CN 209556209U
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- CN
- China
- Prior art keywords
- connector
- false keel
- main joist
- slot
- ceiling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of ceilings that spacing is adjustable, be characterized in that: main joist slidably connects several connectors for being clamped with false keel to realize main joist and false keel detachably assembles along its length, connector is equipped with the locking member for locking connector and main joist, false keel is slidably connected at connector far from main joist one end, false keel offers several first slots along its length, connector offers shape size the second slot identical with the first slot with the side that false keel is bonded to each other, the first slot of one is aligned with the second slot to be equipped with for the plugging member that false keel and connector is fixed, false keel is equipped with ceiling board far from connector one end.According to position of the specification size adjusting connector of practical ceiling board on main joist, relative position of the false keel on connector, to realize the installation and removal for facilitating connector Yu major and minor keel.
Description
Technical field
The utility model relates to ceiling fields, more specifically, it relates to a kind of smallpox that spacing is adjustable
Plate furred ceiling.
Background technique
School is the place of student student's learning life, and Campus Construction becomes the investment project of state key, main
Including campus environment construction and campus culture construction；Wherein campus environment construction is the important component that school cultivates talent,
It plays special effect in school eduaction activity, and adhering to will make that " refectory each wall, each piece of brick can all be said
Words " make them build a kind of atmosphere that can generate educational function, play the effect of education；Student stays in the time in classroom most
It is long, thus the improvement of classroom environment be it is particularly important, classroom ceiling is often equipped with furred ceiling, and furred ceiling fits the top surface in classroom
When decoration, religion indoor environment can not only be beautified, moreover it is possible to provide a good academic environment for student.
Existing suspended ceiling structure, the transverse direction for generally including longitudinally arranged main joist, being set to below main joist
The false keel of setting and the ceiling board being mounted on false keel, this suspended ceiling structure is simple, ceiling board installation side
Just, application is very extensive.
But false keel is directly fixed on main dragon often by welding by existing suspended ceiling structure, false keel
It is this that false keel is welded on the mode on main joist when needing to dismantle false keel on bone, it needs to use high temperature by false keel
It melts, or is cut off with the weld of main joist, operation is inconvenient, therefore occurs using connector on the market
The mode of clamping realizes installation and removal of the false keel on main joist.
But different ceiling boards is big small-scale inconsistent, and this suspended ceiling structure with connector, due to
The link position of connector and main joist is immutable, so in the ceiling board for needing replacing other size specifications, need by
Again fixedly connected part is punched on main joist, replacement operation is very complicated, therefore there are also improve space.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of smallpoxes that spacing is adjustable
Plate furred ceiling has the relative position between adjusting connector and main joist, between connector and false keel according to the actual situation, from
And the advantages of facilitating the installation and dismounting of main joist, false keel and connector.
To achieve the above object, the utility model provides following technical solution:
A kind of ceiling that spacing is adjustable, including the main joist that is hung at by screw rod on ceiling and vertical
It is laid in the false keel of the main joist；The main joist slidably connects several be used for and the false keel along its length
Connector of the clamping to realize the main joist and the false keel detachably assembles, the connector are equipped with for will be described
The locking member of connector and main joist locking, the false keel are slidably connected at the connector far from the main joist one
End, the false keel offer several first slots along its length, what the connector and the false keel were bonded to each other
Side offers shape size the second slot identical with first slot, the first slot described in one and second slot
Alignment is equipped with for the plugging member that the false keel and the connector is fixed, and the false keel is far from the connector one
End is equipped with ceiling board.
It by using above-mentioned technical proposal, is connected between main joist and false keel by connector, main joist and connector
Between be to be slidably connected, so as to position of the adjusting connector on main joist, determining connector on main joist
Behind position, connector and main joist are fixed with locking member；Same false keel is also to be slidably connected on connector, so can
To adjust the relative position between false keel and connector, after determining connector and dividing the relative position between keel,
False keel is fixed on connector with plugging member；So as to according to the big minor adjustment main joist of practical ceiling board specification, false keel
Relative position between connector can be realized, simple to operate quick, relative to can realize dismantling connection with main joist
But it is unable to for the connector of the position between adjusting connector and main joist, enhances the practicability and applicability of connector；
Simultaneously because be all detachable connection between connector and false keel between connector and main joist, relative to will secondary dragon
For bone is directly welded on main joist, the troublesome operation mounted and dismounted between false keel and main joist is simplified, to subtract
The light workload of construction personnel, improves the working efficiency of construction personnel；The setting of locking member realizes connector in main dragon
Fixed function on bone after position change enhances connector in master to strengthen the connection between connector and main joist
Stability on keel；Several first slots open up, can be according to the position between practical adjacent ceiling board, by the second slot
It is aligned from the first different slots, then plugging member is inserted to the adjusting and fixation for realizing false keel and connector.
The utility model is further arranged to: the main joist two sides offer sliding slot, the connection along its length
Part is equipped with sliding block compatible with the sliding slot with the one side that the main joist fits.
By using above-mentioned technical proposal, by sliding of the sliding block in sliding slot, to realize connector on main joist
The adjusting and change of position can adjust relative position of two connectors on main joist according to the scale of practical ceiling board,
To change the spacing size between false keel arranged in parallel；Simultaneously because sliding block is being slidably connected in sliding slot, it is sliding
Contact of the block with sliding slot increases the contact area between connector and main joist, and sliding slot plays sliding block in vertical direction
To the effect of support, and then the connection between connector and main joist is enhanced, enhances stabilization of the connector on main joist
Property.
The utility model is further arranged to: the plugging member includes the plug for plugging bar and being connected to plug bar both ends
Head, connect-disconnect plug described in one are provided with positioning pin close to plug bar one side, and the connector is offered to be inserted with the positioning pin
Connect the location hole of cooperation.
By using above-mentioned technical proposal, relative position between adjusting connector and false keel, by one of them first
Slot is aligned with the second slot, and then plugging member is inserted into the first slot and the second slot, and positioning pin is inserted into location hole, from
And realize fixation of the false keel on connector, enhance the stability between false keel and connector.
The utility model is further arranged to: it is in " L " that the connector, which is equipped with radial section far from described main joist one end,
Two the first clamping portions that shape is staggered, the false keel are provided with the second clamping reversely fastened with first clamping portion
Portion, the also L-shaped setting of the radial section of second clamping portion.
By using above-mentioned technical proposal, the L-shaped first connecting portion of radial section and second connecting portion it is reversed
It fastens, realizes the connection of first connecting portion and second connecting portion, hang upside down false keel on connector to realize, realize
The connection of false keel and connector；And the first clamping portion and the second clamping portion of the L-shaped setting in section, so that connector and pair
Play the role of one between keel mutually to limit, to reduce connector along horizontal vertical in false keel central axial direction
On sliding, to enhance the connective stability between connector and false keel.
The utility model is further arranged to: two first clamping portions are provided with far from the one end of the connector
Rib, the two rib two sides are abutted against with second clamping portion and the false keel respectively.
By using above-mentioned technical proposal, since the first clamping portion of the L-shaped setting of radial section and second are clamped
Portion, when the mutually opposing fastening of the two, the area to contact with each other is smaller, and by the way that rib is arranged on the first clamping portion, increase
Big contact area between first clamping portion and the second clamping portion, to enhance the stable connection of connector and false keel
Property；Simultaneously because the two sides of rib are abutted against with the second clamping portion and false keel respectively, to reduce false keel in connector
On loosening, and then enhance connective stability of the false keel on connector.
The utility model is further arranged to: two ribs are provided with card with what second clamping portion fitted on one side
Item, the false keel corresponding side surface are recessed with the card slot being engaged by clamping with the strip.
By using above-mentioned technical proposal, by the clamping engagement of strip and card slot, thus limit false keel with connect
The relative motion of part enhances the connective stability between false keel and connector, and then enhances entire ceiling knot
The stability of structure.
The utility model is further arranged to: the two rib both ends are equipped with circular arc guide surface.
By using above-mentioned technical proposal, since rib two sides are abutted against with the second clamping portion and false keel respectively, inciting somebody to action
Second clamping portion of false keel is projecting when being slidably connected on the first clamping portion of connector, due to circular arc guide surface have it is certain
Guiding role, consequently facilitating hanging upside down false keel on connector, so that simple to operate quick.
The utility model is further arranged to: several sound absorbing layers is filled in the ceiling board, several sound absorbing layers are in institute
It states in ceiling board and is evenly spaced on.
By using above-mentioned technical proposal, due to being filled with sound absorbing layer in ceiling board, sound absorbing layer plays one to ambient noise
The effect weakened is obstructed, to ensure that religion is indoor peace and quiet, provides a good academic environment for student；Sound-absorbing simultaneously
The multilayer of layer is arranged for one layer of sound absorbing layer, is played a gradually decreased effect to external noise, is enhanced sound-absorbing
The noise reduction effect of layer；Spaced sound absorbing layer successively gradually weakens extraneous noise from outside to inside, so that noise is as far as possible
More is absorbed by sound absorbing layer, to strengthen the soundproof effect of ceiling board, reduces noise pollution, embodies the green of ceiling board
Environmental protection and energy saving.
In conclusion the utility model has the following beneficial effects:
1. the utility model structure is simple, there is exploitativeness, connected between main joist and false keel by connector, it is main
It is to be slidably connected between keel and connector, so as to position of the adjusting connector on main joist；Same false keel is also
It is slidably connected on connector, it is possible to adjust the relative position between false keel and connector；So as to according to reality
Relative position between the big minor adjustment main joist of ceiling board specification, false keel and connector can be realized, simple to operate fast
Victory, relative to the connector of position that can be realized dismantling connection with main joist but be unable between adjusting connector and main joist
Speech, enhances the practicability and applicability of connector；
2. being to be detachably connected between main joist, false keel and connector, thus in needs pair by the setting of connector
When ceiling is reequiped, directly false keel is taken off from connector, connector is taken off just from main joist
The dismounting of main joist, false keel and connector may be implemented, propagation is simple, convenient and fast, the workload of construction personnel is saved,
Improve the working efficiency of construction personnel；
3. the setting by locking member enhances the connective stability between connector and main joist；The setting of plugging member increases
Strong connective stability between connector and false keel；The setting of rib enhances between the first clamping portion and the second clamping portion
Connective stability, and then enhance the connective stability between connector and false keel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of false keel；
Fig. 3 is the structural schematic diagram of main joist；
Fig. 4 is the structural schematic diagram of connector；
Fig. 5 is the structural schematic diagram of the first slot and limiting slot；
Fig. 6 is the structural schematic diagram of plugging member；
Fig. 7 is the structural schematic diagram of sound absorbing layer.
Appended drawing reference: 1, main joist；11, screw rod；12, interconnecting piece；13, sliding slot；14, locking member；16, clinch；17, long
Bar shaped notch；2, connector；21, sliding block；22, the first clamping portion；23, rib；24, circular arc guide surface；25, strip strip；
3, false keel；31, the second clamping portion；40, the first slot；41, the second slot；42, plugging member；421, connect-disconnect plug；422, it plugs
Bar；423, arc end part；431, positioning pin；432, location hole；44, limiting slot；52, ceiling board；521, sound absorbing layer.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of ceiling that spacing is adjustable, as shown in Figure 1, including several main dragons being hung on ceiling
Bone 1 and vertical runs are in several false keels 3 arranged in parallel of every 1 lower section of main joist, and every main joist 1 is along its length
Degree direction slidably connect it is several for being slidably connected with 3 phase of false keel to realize main joist 1 and false keel 3 detachably assembles
Connector 2, adjacent false keel 3 are equipped with ceiling board 52 far from one end of connector 2.
As shown in fig. 7, be filled with several layers sound absorbing layer 521 in every piece of ceiling board 52, several sound absorbing layers 521 are in ceiling board
It is evenly spaced on from top to bottom in 52.
As shown in figure 3, every main joist 1 at the top of screw rod 11 and ceiling by being fixedly connected；The diameter of every main joist 1
Be in section class concave setting, the recess of the main joist 1 of class concave downward, under class concave main joist 1
Recess portion offers strip notch 17 along its length；Slot bottom of the strip notch 17 close to class concave main joist 1
Side is fixed with rib 23 along its length, and 23 both ends of rib are equipped with circular arc guide surface 24.
Every 1 two sides of main joist offer sliding slot 13 along its length.
As shown in Figure 1 and Figure 4, several connectors 2 are slidably connected in the strip notch 17 on each main joist 1.
Each connector 2 is fixedly connected with rectangular interconnecting piece 12 close to 17 one end of strip notch, and 12 liang of interconnecting piece
End is fixedly connected with clinch 16, the L-shaped setting of the cross-section radial of clinch 16.
Two clinch 16 are fixed with sliding block 21 compatible with sliding slot 13 with the perpendicular side of interconnecting piece 12.
Sliding block 21 is equipped with the locking member 14 pushed against with 13 outer wall thread of sliding slot, and locking member 14 is screw.
Connector 2 is fixed with two mutual symmetrical first clamping portions 22 far from 1 one end of main joist, the first clamping portion 22
The L-shaped setting of radial section；The separate one end fixed with connector 2 in two first clamping portion 22 is also fixed with rib 23.
The wherein rib 23 fixed with clinch 16, the separate one side fixed with clinch 16 are fixed with strip card
The side that item 25, interconnecting piece 12 and rib 23 are bonded to each other is recessed with the strip card slot being clamped with strip strip 25.
The wherein rib 23 fixed with the first clamping portion 22, the separate one side fixed with the first clamping portion 22 are also fixed
There is strip strip 25, the first clamping portion 22 is also recessed with and the clamping of strip strip 25 with the side that rib 23 is bonded to each other
Strip card slot.
As shown in Fig. 2, the both ends of every false keel 3 are respectively and fixedly provided with the second clamping portion reversely fastened with the first clamping portion 22
31, the also L-shaped setting of the radial section of the second clamping portion 31；Second clamping portion 31 reversely with the first clamping portion 22 fasten so that
False keel 3 is hung upside down on connector 2.
Wherein rib 23 both ends fixed with clinch 16 are equipped with circular arc guide surface 24, and the circular arc guide surface 24 of two sides
It is abutted respectively with the side wall of clinch 16, connector 2.
Wherein rib 23 both ends fixed with the first clamping portion 22 are equipped with circular arc guide surface 24, and the circular arc guiding of two sides
Face 24 is abutted with the side wall of the second clamping portion 31, false keel 3 respectively.
As illustrated in figures 4-5, false keel 3 offers several along its length with the side that the first clamping portion 22 is bonded to each other
The first slot 40 being laterally arranged, 40 both ends of the first slot are equipped with arc end part 423；False keel 3 is separate with the first clamping portion
22 sides being bonded to each other also are recessed with limiting slot 44；Limiting slot 44 is arranged in a mutually vertical manner with the first slot 40, limiting slot 44 with
The shape size of first slot 40 is identical, and the depth of limiting slot 44 is less than the depth of the first slot 40.
First clamping portion 22 is equipped with the second slot 41 identical with 40 shape size of the first slot, the second slot 41 with
Second slot 41 is equally lateral setting.
As shown in Figure 4 and Figure 6, it is equipped in the first slot 40 and the second slot 41 for false keel 3 and first to be clamped
The fixed plugging member 42 in portion 22.
Plugging member 42 includes plug bar 422, and plug 422 both ends of bar are fixed with the connect-disconnect plug being adapted to the first slot 40
421, wherein a connect-disconnect plug 421 is fixed there are two positioning pin 431 close to plug 422 side of bar, positioning pin 431 is located at plug
In the arc end part 423 at first 421 both ends.
First clamping portion 22 is recessed with the positioning being engaged by clamping with positioning pin 431 with the side that connect-disconnect plug 421 is bonded to each other
Hole 432.
It the concrete operating principle of the present embodiment and has the beneficial effect that
Working principle:
Fixed hang of main joist 1: being located on ceiling top plate with screw rod 11 by installation process first, fixed stably to main joist 1
After fixed, the sliding block 21 at 2 both ends of connector is slid into sliding slot 13, and adjacent according to the size slidable adjustment of practical ceiling board 52
Position of two connectors 2 on main joist 1, after position determines, tightening screw makes it push against fixation with 1 side wall of main joist,
To realize being fixedly connected for connector 2 and main joist 1, then false keel 3 is hung upside down on the first clamping portion 22, according to reality
Border situation moves false keel 3, one of them first slot 40 is aligned with the second slot 41, corresponds to strip on rib 23 at this time
Shape strip 25 is connected and fixed with strip card slot, and laterally inserted the first slot 40 and second being mutually aligned of plugging member 42 is inserted
In slot 41, plugging member 42 is rotated by 90 ° to connect-disconnect plug 421 and is placed vertically, while pulling out plugging member 42 makes positioning pin 431 outward
It injects in location hole 432, to realize being fixedly connected for connector 2 and false keel 3, is finally installed in ceiling board 52 secondary imperial
On bone 3.
Disassembly process: first disassembling ceiling board 52 from false keel 3, and pressing plugging member 42 makes positioning pin 431
It is detached from location hole 432, plugging member 42 is rotated 90 degree, then inserts plugging member 42 from the first slot 40 of alignment and second
It is taken out in slot 41, sliding false keel 3 can take off false keel 3 from connector 2, screw be unscrewed, sliding connector
2 can take off connector 2 from main joist 1.
The utility model has the advantages that
It is connected due to passing through connector 2 between main joist 1 and false keel 3, is sliding between main joist 1 and connector 2
Connection, so as to position of the adjusting connector 2 on main joist 1；Same false keel 3 is also to be slidably connected at connector 2
On, it is possible to adjust the relative position between false keel 3 and connector 2；So as to according to practical 52 specification of ceiling board
Relative position between big minor adjustment main joist 1, false keel 3 and connector 2 can be realized, simple to operate quick, relatively
For the connector 2 for the position that can be realized dismantling connection with main joist 1 but be unable between adjusting connector 2 and main joist 1,
Enhance the practicability and applicability of connector 2.
It is to be detachably connected between main joist 1, false keel 3 and connector 2, thus needing by the setting of connector 2
When being reequiped to ceiling, directly false keel 3 is taken off from connector 2, by connector 2 from main joist 1
On take off the dismounting that can realize main joist 1, false keel 3 and connector 2, propagandize simple, convenient and fast, save construction
The workload of personnel improves the working efficiency of construction personnel.
The connective stability between connector 2 and main joist 1 is enhanced by the setting of locking member 14；Plugging member 42
The connective stability enhanced between connector 2 and false keel 3 is set；The setting of rib 23 enhances 22 He of the first clamping portion
Connective stability between second clamping portion 31, and then enhance the connective stability between connector 2 and false keel 3.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of ceiling that spacing is adjustable, including being hung at the main joist (1) on ceiling by screw rod (11)
With vertical runs in the false keel (3) of the main joist (1), it is characterised in that: the main joist (1) is slided along its length
It is connected with several for realizing that the main joist (1) and the false keel (3) is detachably assembled with the false keel (3) clamping
Connector (2), the connector (2) be equipped with for by the connector (2) and the main joist (1) locking locking member
(14), the false keel (3) is slidably connected at the connector (2) far from the main joist (1) one end, the false keel (3)
Several first slots (40), the side that the connector (2) and the false keel (3) are bonded to each other are offered along its length
Offer shape size and identical second slot (41) of first slot (40), the first slot (40) described in one with it is described
Second slot (41) alignment is equipped with for the plugging member (42) that the false keel (3) and the connector (2) are fixed, institute
It states false keel (3) and is equipped with ceiling board (52) far from the connector (2) one end.
2. a kind of adjustable ceiling of spacing according to claim 1, it is characterised in that: the main joist
(1) two sides offer sliding slot (13) along its length, the one side that the connector (2) fits with the main joist (1)
Equipped with sliding block (21) compatible with the sliding slot (13).
3. a kind of adjustable ceiling of spacing according to claim 1, it is characterised in that: the plugging member
It (42) include plug bar (422) and the connect-disconnect plug (421) for being connected to plug bar (422) both ends, connect-disconnect plug (421) described in one leans on
Nearly plug bar (422) one side is provided with positioning pin (431), and the connector (2) offers and the positioning pin (431) grafting
The location hole (432) of cooperation.
4. a kind of adjustable ceiling of spacing according to claim 1, it is characterised in that: the connector
(2) L-shaped symmetrically arranged two the first clamping portions (22) of radial section are equipped with far from the main joist (1) one end, it is described
False keel (3) is provided with the second clamping portion (31) reversely fastened with first clamping portion (22), second clamping portion
(31) the also L-shaped setting of radial section.
5. a kind of adjustable ceiling of spacing according to claim 4, it is characterised in that: two first cards
Socket part (22) is provided with rib (23) far from the one end of the connector (2), two rib (23) two sides respectively with institute
It states the second clamping portion (31) and the false keel (3) abuts against.
6. a kind of adjustable ceiling of spacing according to claim 5, it is characterised in that: two ribs
(23) what is fitted with second clamping portion (31) is provided with strip strip (25) on one side, false keel (3) respective side
Face is recessed with the strip card slot being engaged by clamping with the strip strip (25).
7. a kind of adjustable ceiling of spacing according to claim 5, it is characterised in that: two ribs
(23) both ends are equipped with circular arc guide surface (24).
8. a kind of adjustable ceiling of spacing according to claim 1, it is characterised in that: the ceiling board
(52) it is filled with several sound absorbing layers (521) in, several sound absorbing layers (521) are evenly spaced in the ceiling board (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920023214.9U CN209556209U (en) | 2019-01-03 | 2019-01-03 | A kind of ceiling that spacing is adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920023214.9U CN209556209U (en) | 2019-01-03 | 2019-01-03 | A kind of ceiling that spacing is adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209556209U true CN209556209U (en) | 2019-10-29 |
Family
ID=68307027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920023214.9U Expired - Fee Related CN209556209U (en) | 2019-01-03 | 2019-01-03 | A kind of ceiling that spacing is adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209556209U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482644A (en) * | 2020-11-02 | 2021-03-12 | 张志山 | Light steel main joist and secondary joist fixed connection spare |
| CN112942665A (en) * | 2021-04-02 | 2021-06-11 | 北京施图美达装饰工程有限公司 | Light steel keel gypsum board suspended ceiling structure and construction process |
| CN113356455A (en) * | 2021-06-21 | 2021-09-07 | 北新集团建材股份有限公司 | Ceiling mounting assembly, ceiling structure and mounting method thereof |
-
2019
- 2019-01-03 CN CN201920023214.9U patent/CN209556209U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482644A (en) * | 2020-11-02 | 2021-03-12 | 张志山 | Light steel main joist and secondary joist fixed connection spare |
| CN112942665A (en) * | 2021-04-02 | 2021-06-11 | 北京施图美达装饰工程有限公司 | Light steel keel gypsum board suspended ceiling structure and construction process |
| CN113356455A (en) * | 2021-06-21 | 2021-09-07 | 北新集团建材股份有限公司 | Ceiling mounting assembly, ceiling structure and mounting method thereof |
| CN113356455B (en) * | 2021-06-21 | 2023-03-10 | 北新集团建材股份有限公司 | Ceiling mounting assembly, ceiling structure and mounting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 Termination date: 20220103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |