CN107130710A - A kind of U-shaped clamping joist shock absorber and its assembly method - Google Patents
A kind of U-shaped clamping joist shock absorber and its assembly method Download PDFInfo
- Publication number
- CN107130710A CN107130710A CN201710500888.9A CN201710500888A CN107130710A CN 107130710 A CN107130710 A CN 107130710A CN 201710500888 A CN201710500888 A CN 201710500888A CN 107130710 A CN107130710 A CN 107130710A
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- Prior art keywords
- shaped
- cushion blocking
- vibration damping
- damping shell
- buckle
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 49
- 230000035939 shock Effects 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims abstract description 73
- 238000013016 damping Methods 0.000 claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/76—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/82—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
-
- 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
- E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
Abstract
The invention provides a kind of U-shaped clamping joist shock absorber, including U-shaped card formula vibration absorber and the U-shaped lightgage steel joist being arranged on the U-shaped card formula vibration absorber, the U-shaped card formula vibration absorber includes U-shaped vibration damping shell, upper cushion blocking, lower cushion blocking and U-shaped buckle, the U-shaped opening direction of the U-shaped buckle is perpendicular to the U-shaped opening direction of the U-shaped vibration damping shell, the U-shaped vibration damping shell includes enclosing U-shaped bottom plate, left plate and right plate, the U-shaped buckle includes enclosing U-shaped lateral bottom plate, epipleural and lower side panel, the bottom surface of the upper cushion blocking and the top surface of the bottom plate of the U-shaped vibration damping shell are fitted.Present invention also offers a kind of assembly method of U-shaped clamping joist shock absorber.The beneficial effects of the invention are as follows：Metope and U-shaped lightgage steel joist are separated by upper cushion blocking, lower cushion blocking, rigid adjunction is eliminated；Compact conformation, can reduce thickness.
Description
Technical field
The present invention relates to shock absorber, more particularly to a kind of U-shaped clamping joist shock absorber and its assembly method.
Background technology
In the prior art, typically using following several ways：
1. without vibration reducing measure：Use the mode that lightgage steel joist is directly connected to clamping joist and metope.
2. there is vibration reducing measure：Using the special shock absorber of metope and ordinary keel, integral thickness reaches more than 100mm.
3. there is vibration reducing measure：Using the special shock absorber of metope and Special keel.
Above-mentioned several measures are respectively present following defect：
1. because the walling system that metope is combined with lightgage steel joist is when thickness is certain, air oise insulation factor is limited, nothing
Method meets high performance requirement；
2. lightgage steel joist is directly connected to wall, rigid overhead speaker is produced, is very unfavorable to sound insulation；
3. lightgage steel joist is influenceed by wall leveling degree, it is difficult to leveling；
4. integral thickness is too high, the interior space is wasted, so as to reduce economic value；
5. using the system of special shock absorber and Special keel, system flatness is provided by basal plane completely, it is impossible to secondary leveling, right
The position that surface smoothness requires high is not applied to；And it needs to be applicable Special keel, versatility is not strong.
The content of the invention
In order to solve the problems of the prior art, the invention provides a kind of U-shaped clamping joist shock absorber and its assembling side
Method.
The invention provides a kind of U-shaped clamping joist shock absorber, including U-shaped card formula vibration absorber and it is arranged on described U-shaped
U-shaped lightgage steel joist on cassette vibration absorber, the U-shaped card formula vibration absorber include U-shaped vibration damping shell, upper cushion blocking, under subtract
Shake pad and U-shaped buckle, and the U-shaped opening direction of the U-shaped buckle is described perpendicular to the U-shaped opening direction of the U-shaped vibration damping shell
U-shaped vibration damping shell includes enclosing U-shaped bottom plate, left plate and right plate, and the U-shaped buckle includes enclosing U-shaped lateral
The top surface of bottom plate, epipleural and lower side panel, the bottom surface of the upper cushion blocking and the bottom plate of the U-shaped vibration damping shell, which fits, to be set
Put, the bottom surface of the top surface of the lower cushion blocking and the bottom plate of the U-shaped vibration damping shell is fitted, the top of the upper cushion blocking
Face and the bottom surface of the epipleural of the U-shaped buckle are fitted, the bottom surface of the lower cushion blocking and the downside of the U-shaped buckle
The top surface of plate is fitted.
As a further improvement on the present invention, the epipleural of the U-shaped buckle, the lower side panel of U-shaped buckle, upper cushion blocking,
The bolt hole being coaxially disposed is respectively equipped with lower cushion blocking, the bottom plate of U-shaped vibration damping shell.
As a further improvement on the present invention, the U-shaped card formula vibration absorber also includes expansion bolt, the expansion bolt
Through the bolt hole of the epipleural of the U-shaped buckle, the bolt hole of the lower side panel of U-shaped buckle, the bolt hole of upper cushion blocking, under subtract
Shake bolt hole, the bolt hole of U-shaped vibration damping shell of pad.
As a further improvement on the present invention, the expansion bolt is provided with two nuts, and one of them described nut is consolidated
The top surface of the epipleural of the U-shaped buckle is scheduled on, another described nut is fixed on the bottom surface of the lower side panel of the U-shaped buckle.
As a further improvement on the present invention, the left plate of the U-shaped vibration damping shell, right plate shape it is identical and point
Do not snapped connection with the U-shaped lightgage steel joist.
As a further improvement on the present invention, the left plate of the U-shaped vibration damping shell is provided with and the U-shaped lightgage steel joist
The neck snapped connection.
As a further improvement on the present invention, the left plate of the U-shaped vibration damping shell is imperial provided with the U-shaped light steel is limited
The spacing tooth that the position of bone is put.
Present invention also offers a kind of assembly method of U-shaped clamping joist shock absorber, comprise the following steps：
S1. by upper cushion blocking, lower cushion blocking be arranged on U-shaped vibration damping shell bottom plate both sides up and down on, by upper cushion blocking, under subtract
Shake pad, the bolt hole alignment on U-shaped vibration damping shell；
S2., will be U-shaped by U-shaped buckle spiral-lock to the upper cushion blocking, lower cushion blocking of the both sides up and down of the bottom plate of U-shaped vibration damping shell
Buckle, upper cushion blocking, the bolt hole alignment of lower cushion blocking, reach constraint fixed upper cushion blocking, lower cushion blocking, are assembled into U-shaped card
Formula vibration absorber；
S3. expansion bolt is arranged on metope or floor day is taken；
S4. pass through all bolts hole by upper cushion blocking, lower cushion blocking, U-shaped vibration damping shell, U-shaped buckle string one expansion bolt
Rise, both sides are locked with two nuts above and below U-shaped buckle；
S5. U-shaped lightgage steel joist is caught in design limited location tooth on the neck on U-shaped vibration damping shell, neck, it is whole U-shaped to reach
Cassette vibration absorber, which will not be moved back, to be trapped into the groove of U-shaped lightgage steel joist.
The beneficial effects of the invention are as follows：By such scheme, by upper cushion blocking, lower cushion blocking by metope and U-shaped light steel
Keel separate, and eliminate rigid adjunction；Compact conformation, can reduce thickness.
Brief description of the drawings
Fig. 1 is a kind of decomposing schematic representation of U-shaped clamping joist shock absorber of the present invention.
Fig. 2 is a kind of schematic perspective view of U-shaped clamping joist shock absorber of the present invention.
Fig. 3 is a kind of schematic perspective view of the U-shaped card formula vibration absorber of U-shaped clamping joist shock absorber of the present invention.
Embodiment
The invention will be further described for explanation and embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, a kind of U-shaped clamping joist shock absorber, including U-shaped card formula vibration absorber 10 and it is arranged on institute
State the U-shaped lightgage steel joist 9 on U-shaped card formula vibration absorber 10, the U-shaped card formula vibration absorber 10 include U-shaped vibration damping shell 1, on
Cushion blocking 51, lower cushion blocking 52 and U-shaped buckle 4, the U-shaped opening direction of the U-shaped buckle 4 is perpendicular to the U-shaped vibration damping shell 1
U-shaped opening direction, the U-shaped opening direction of the U-shaped vibration damping shell 1 straight up, the U-shaped opening direction of the U-shaped buckle 4
For horizontal direction, the U-shaped vibration damping shell 1 intersects mutual card with the U-shaped buckle 4, and the U-shaped vibration damping shell 1 includes enclosing U
Bottom plate, left plate and the right plate of type, the U-shaped buckle 4 include enclosing U-shaped lateral bottom plate, epipleural and lower side panel, institute
The bottom surface and the top surface of the bottom plate of the U-shaped vibration damping shell 1 for stating cushion blocking 51 are fitted, the top of the lower cushion blocking 52
Face and the bottom surface of the bottom plate of the U-shaped vibration damping shell 1 are fitted, the top surface of the upper cushion blocking 51 and the U-shaped buckle 4
The bottom surface of epipleural be fitted, the bottom surface of the lower cushion blocking 52 and the top surface of the lower side panel of the U-shaped buckle 4 are affixed
Close and set.
As shown in Figure 1 to Figure 3, the epipleural of the U-shaped buckle 4, the lower side panel of U-shaped buckle 4, upper cushion blocking 51, under subtract
Shake pad 52, be respectively equipped with the bolt hole 6 being coaxially disposed on the bottom plate of U-shaped vibration damping shell 1.
As shown in Figure 1 to Figure 3, the U-shaped card formula vibration absorber 10 also includes expansion bolt 8, and the expansion bolt 8 is passed through
The bolt hole 6 of the epipleural of the U-shaped buckle 4, the bolt hole 6 of the lower side panel of U-shaped buckle 4, the bolt hole 6 of upper cushion blocking 41,
The bolt hole 6 of the bolt hole 6 of lower cushion blocking 42, U-shaped vibration damping shell 1.
As shown in Figure 1 to Figure 3, the expansion bolt 8 is provided with two nuts 7, and one of them described nut 7 is fixed on institute
The top surface of the epipleural of U-shaped buckle 4 is stated, another described nut 7 is fixed on the bottom surface of the lower side panel of the U-shaped buckle 4.
As shown in Figure 1 to Figure 3, the U-type groove opening of the U-shaped lightgage steel joist 9 straight down, the U-shaped vibration damping shell 1
Left plate, right plate shape it is identical and the U-type groove with the U-shaped lightgage steel joist 9 is snapped connection respectively.
As shown in Figure 1 to Figure 3, the left plate of the U-shaped vibration damping shell 1 is provided with connects with the U-shaped buckle of lightgage steel joist 9
The neck 2 connect.
As shown in Figure 1 to Figure 3, the left plate of the U-shaped vibration damping shell 1 is provided with the limitation U-shaped position of lightgage steel joist 9
Spacing tooth 3, the spacing tooth 3 be located at the neck 2 between.
Present invention also offers a kind of assembly method of U-shaped clamping joist shock absorber, comprise the following steps：
S1. upper cushion blocking 51, lower cushion blocking 52 are arranged on the both sides up and down of the bottom plate of U-shaped vibration damping shell 1, by upper cushion blocking
51st, lower cushion blocking 52, the bolt hole 6 on U-shaped vibration damping shell 1 align；
S2. by the U-shaped spiral-lock of buckle 4 to the upper cushion blocking 51, lower cushion blocking 52 of the both sides up and down of the bottom plate of U-shaped vibration damping shell 1,
The bolt hole 6 of U-shaped buckle 4, upper cushion blocking 51, lower cushion blocking 52 is alignd, constraint fixed upper cushion blocking 51, lower cushion blocking is reached
52, be assembled into U-shaped card formula vibration absorber 10, upper cushion blocking 51, lower cushion blocking 52 live apart in the U-shaped both sides of vibration damping shell 1 play every
It is disconnected to be rigidly connected, it is to avoid overhead speaker effect；
S3. expansion bolt 8 is arranged on metope or floor day is taken；
S4. expansion bolt 8 is passed through into all bolts hole 6 by upper cushion blocking 51, lower cushion blocking 52, U-shaped vibration damping shell 1, U-shaped buckle
4 string together, U-shaped buckle is locked both sides about 4 with two nuts 7, two nuts 7 in addition to playing fixation,
Height is can also adjust, plays a part of adjusting whole system level in actual applications；
S5. U-shaped lightgage steel joist 9 is caught on the neck 2 on U-shaped vibration damping shell 1, neck 2 and designs limited location tooth 3, it is whole to reach
Individual U-shaped card formula vibration absorber 10, which will not be moved back, to be trapped into the groove of U-shaped lightgage steel joist 9；
S6. the last decoration panel using installation surface by the way of commonly using.
A kind of U-shaped clamping joist shock absorber and its assembly method that the present invention is provided have advantages below：
1. using steel shell, coating processing is done on surface, and corrosion resistance is strong；
2. on cushion blocking 51, lower cushion blocking 52 it is separated by metope and lightgage steel joist, eliminate and be rigidly connected；
3. U-shaped buckle 4 and U-shaped vibration damping shell 1 are fixed together by expansion bolt 8, it is contemplated that under limiting case（Such as fire）
Damping material is burned out the integrality of rear system, and lightgage steel joist will not be made, which to collapse, causes injury to personnel；
4. the cassette of the U-shaped card formula vibration absorber 10 and U-shaped lightgage steel joist 9 is fixed, construction and installation are quick；
5. overall minimum thickness（From basal plane to keel surface）It can be controlled within about 55mm, reduces taking Interior Space as far as possible
Between；
6. the cavity of self-assembling formation can provide the installing space of sound-absorbing material, while being available for pre-embedded pipe, fluting is reduced；
7. with the distance between regulation and basal plane, it compensate for the defect that traditional metope grid system is difficult to adjust flatness；
8. it can be used cooperatively with screw mandrel, using keel conventional on the market, while suitable for metope and ceiling system, not changing
The technique of original system.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (8)
1. a kind of U-shaped clamping joist shock absorber, it is characterised in that：Including U-shaped card formula vibration absorber and being arranged on the U-shaped card formula
U-shaped lightgage steel joist on vibration absorber, the U-shaped card formula vibration absorber includes U-shaped vibration damping shell, upper cushion blocking, lower cushion blocking
With U-shaped buckle, the U-shaped opening direction of the U-shaped buckle is described U-shaped perpendicular to the U-shaped opening direction of the U-shaped vibration damping shell
Vibration damping shell includes enclosing U-shaped bottom plate, left plate and right plate, and the U-shaped buckle includes enclosing U-shaped lateral bottom
Plate, epipleural and lower side panel, the bottom surface of the upper cushion blocking and the top surface of the bottom plate of the U-shaped vibration damping shell are fitted,
The bottom surface of the top surface of the lower cushion blocking and the bottom plate of the U-shaped vibration damping shell is fitted, the top surface of the upper cushion blocking
It is fitted with the bottom surface of the epipleural of the U-shaped buckle, the bottom surface of the lower cushion blocking and the lower side panel of the U-shaped buckle
Top surface be fitted.
2. U-shaped clamping joist shock absorber according to claim 1, it is characterised in that：It is the epipleural of the U-shaped buckle, U-shaped
The lower side panel of buckle, upper cushion blocking, lower cushion blocking, it is respectively equipped with the bolt hole being coaxially disposed on the bottom plate of U-shaped vibration damping shell.
3. U-shaped clamping joist shock absorber according to claim 2, it is characterised in that：The U-shaped card formula vibration absorber is also wrapped
Include expansion bolt, bolt hole, the bolt of the lower side panel of U-shaped buckle of the expansion bolt through the epipleural of the U-shaped buckle
Hole, the bolt hole of upper cushion blocking, the bolt hole of lower cushion blocking, the bolt hole of U-shaped vibration damping shell.
4. U-shaped clamping joist shock absorber according to claim 3, it is characterised in that：The expansion bolt is provided with two
Nut, one of them described nut is fixed on the top surface of the epipleural of the U-shaped buckle, and another described nut is fixed on described
The bottom surface of the lower side panel of U-shaped buckle.
5. U-shaped clamping joist shock absorber according to claim 1, it is characterised in that：The left side of the U-shaped vibration damping shell
Plate, right plate shape it is identical and snapped connection respectively with the U-shaped lightgage steel joist.
6. U-shaped clamping joist shock absorber according to claim 5, it is characterised in that：The left plate of the U-shaped vibration damping shell
Provided with the neck snapped connection with the U-shaped lightgage steel joist.
7. U-shaped clamping joist shock absorber according to claim 6, it is characterised in that：The left plate of the U-shaped vibration damping shell
Provided with the spacing tooth for limiting the U-shaped lightgage steel joist position.
8. a kind of assembly method of U-shaped clamping joist shock absorber, it is characterised in that comprise the following steps：
S1. by upper cushion blocking, lower cushion blocking be arranged on U-shaped vibration damping shell bottom plate both sides up and down on, by upper cushion blocking, under
Bolt hole alignment on cushion blocking, U-shaped vibration damping shell；
S2., will be U-shaped by U-shaped buckle spiral-lock to the upper cushion blocking, lower cushion blocking of the both sides up and down of the bottom plate of U-shaped vibration damping shell
Buckle, upper cushion blocking, the bolt hole alignment of lower cushion blocking, reach constraint fixed upper cushion blocking, lower cushion blocking, are assembled into U-shaped card
Formula vibration absorber；
S3. expansion bolt is arranged on metope or floor day is taken；
S4. pass through all bolts hole by upper cushion blocking, lower cushion blocking, U-shaped vibration damping shell, U-shaped buckle string one expansion bolt
Rise, both sides are locked with two nuts above and below U-shaped buckle；
S5. U-shaped lightgage steel joist is caught in design limited location tooth on the neck on U-shaped vibration damping shell, neck, it is whole U-shaped to reach
Cassette vibration absorber, which will not be moved back, to be trapped into the groove of U-shaped lightgage steel joist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500888.9A CN107130710A (en) | 2017-06-27 | 2017-06-27 | A kind of U-shaped clamping joist shock absorber and its assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500888.9A CN107130710A (en) | 2017-06-27 | 2017-06-27 | A kind of U-shaped clamping joist shock absorber and its assembly method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107130710A true CN107130710A (en) | 2017-09-05 |
Family
ID=59735788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710500888.9A Pending CN107130710A (en) | 2017-06-27 | 2017-06-27 | A kind of U-shaped clamping joist shock absorber and its assembly method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107130710A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469021A (en) * | 2019-08-17 | 2019-11-19 | 徐宁 | A kind of U-shaped lightgage steel joist for building |
| US20210108410A1 (en) * | 2017-03-31 | 2021-04-15 | Glen Haydn Pring | Fasteners and wall assemblies |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203113698U (en) * | 2013-03-20 | 2013-08-07 | 深圳洛赛声学技术有限公司 | Vibration reduction fixing device of light steel joist |
| CN203114993U (en) * | 2013-03-20 | 2013-08-07 | 深圳洛赛声学技术有限公司 | Foundation vibration reducing device for small device |
| KR101561173B1 (en) * | 2015-03-09 | 2015-10-16 | 주식회사 코아스 | Partition |
| CN205857505U (en) * | 2016-04-20 | 2017-01-04 | 北新集团建材股份有限公司 | A kind of vibration damping ceiling system |
| CN106639117A (en) * | 2017-03-01 | 2017-05-10 | 广州丽音建筑材料有限公司 | Ceiling hook |
-
2017
- 2017-06-27 CN CN201710500888.9A patent/CN107130710A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203113698U (en) * | 2013-03-20 | 2013-08-07 | 深圳洛赛声学技术有限公司 | Vibration reduction fixing device of light steel joist |
| CN203114993U (en) * | 2013-03-20 | 2013-08-07 | 深圳洛赛声学技术有限公司 | Foundation vibration reducing device for small device |
| KR101561173B1 (en) * | 2015-03-09 | 2015-10-16 | 주식회사 코아스 | Partition |
| CN205857505U (en) * | 2016-04-20 | 2017-01-04 | 北新集团建材股份有限公司 | A kind of vibration damping ceiling system |
| CN106639117A (en) * | 2017-03-01 | 2017-05-10 | 广州丽音建筑材料有限公司 | Ceiling hook |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210108410A1 (en) * | 2017-03-31 | 2021-04-15 | Glen Haydn Pring | Fasteners and wall assemblies |
| US11686091B2 (en) * | 2017-03-31 | 2023-06-27 | Glen Haydn Pring | Fasteners and wall assemblies |
| CN110469021A (en) * | 2019-08-17 | 2019-11-19 | 徐宁 | A kind of U-shaped lightgage steel joist for building |
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Application publication date: 20170905 |