CN113802706A - Sound insulation device is used in fitment engineering construction - Google Patents
Sound insulation device is used in fitment engineering construction Download PDFInfo
- Publication number
- CN113802706A CN113802706A CN202111117445.4A CN202111117445A CN113802706A CN 113802706 A CN113802706 A CN 113802706A CN 202111117445 A CN202111117445 A CN 202111117445A CN 113802706 A CN113802706 A CN 113802706A
- Authority
- CN
- China
- Prior art keywords
- base
- pair
- sound insulation
- clamping
- insulation board
- 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.)
- Pending
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 38
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 239000000428 dust Substances 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 238000005034 decoration Methods 0.000 claims abstract description 5
- 238000001179 sorption measurement Methods 0.000 claims description 11
- 230000008602 contraction Effects 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000030279 gene silencing Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/8227—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only screens ; Arrangements of sound-absorbing elements, e.g. baffles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a sound insulation device for decoration engineering construction, which comprises a first sound insulation board, a second sound insulation board and a pair of dust removal mechanisms, wherein each dust removal mechanism comprises a fan, a filtering component and an exhaust component, the fan is arranged on a guide plate in a first base, the first sound insulation board and the second sound insulation board are detachably connected together through a splicing mechanism, the splicing mechanism comprises a pair of limiting buckles, a clamping buckle and a clamping component, the pair of limiting buckles are arranged in first counter bores of the second base, the clamping component is arranged in second counter bores of the second base, and the upper end of the clamping component is abutted against the clamping buckle. Owing to dust removal mechanism and the concatenation mechanism that is equipped with in this device, not only can the quick replacement structure, free flexibility ratio is high to effectively promoted construction speed, can effectively form a sound insulation barrier moreover, the effectual noise pollution that has reduced.
Description
Technical Field
The invention relates to a sound insulation device, in particular to a sound insulation device for decoration engineering construction.
Background
The building construction is a production process with complex technology, and building construction workers need to exert clever and talent intelligence to creatively apply theories such as materials, mechanics, structures, processes and the like to solve the technical problems which continuously appear in the construction, thereby ensuring the engineering quality and the construction safety. The construction process is carried out by multiple workers in limited time and space. The supply of hundreds of materials and the operation of various mechanical equipment, so that scientific and advanced organization and management measures and advanced construction processes are necessary to fully complete the production process, and the process is a process with higher economy. A great deal of manpower, material resources and financial resources are consumed in construction. Therefore, it is required to take measures to reduce the cost by considering the economic benefit everywhere in the construction process. The prior construction process lacks a necessary sound insulation device, and a large amount of noise generated during working has little influence on the surrounding life.
Disclosure of Invention
In view of the above, the present invention provides a sound insulation device for decoration engineering construction, so as to solve the above technical problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a sound-insulating device for finishing work construction, comprising:
the lower end of the first sound insulation plate is supported by a first base;
the lower end of the second sound insulation board is supported by a second base, a plurality of support legs for fixing are arranged at the lower ends of the first base and the second base, and the first sound insulation board and the second sound insulation board are of a composite structure with the same size;
the dust removal device comprises a first base, a second base and a pair of dust removal mechanisms, wherein the first base is arranged on the inner side wall of the second base, the second base is arranged on the inner side wall of the first base, the pair of dust removal mechanisms are respectively arranged inside the first base and the second base, each dust removal mechanism comprises a fan, a filtering component and an exhaust component, the fan is arranged on a guide plate in the first base, the filtering component is arranged on the inner side wall of the first base, and the exhaust component is arranged at an air outlet in the rear wall of the first base;
wherein, the acoustic celotex board one with can dismantle through splicing mechanism between the acoustic celotex board two and link together, splicing mechanism includes:
the pair of limiting buckles are arranged in the first counter bores of the second base and are respectively positioned on the inner side walls at two ends of the first counter bores;
the clamping buckle is fixedly connected with the end face of the right side of the first base, extends into the first counter bore and is connected with the pair of limiting buckles in a clamping manner;
and the clamping assembly is arranged in the second counter bore of the second base, and the upper end of the clamping assembly is abutted against the clamping buckle.
Furthermore, the snap fastener comprises a first clamping strip and a second clamping strip, the first clamping strip is fixedly connected with the end face of the right side of the first base, the second clamping strip is fixedly connected with the first clamping strip, and the second clamping strip can be connected with the pair of limit fasteners in a snap fit mode.
Furthermore, the limiting buckle comprises a first contraction part, a second contraction part and a limiting part which are integrally connected, the first contraction part is fixedly connected with the inner side wall of the first counter bore, and the limiting part can be abutted against and pressed on the second clamping strip.
Furthermore, the clamping assembly comprises a clamping column, a pair of tension springs and a pull ring, the pair of tension springs are connected to the inner bottom wall of the second counter bore, the pull ring is fixed to the lower end of the pair of tension springs, the clamping column is vertically connected with the pull ring, and the clamping column is movably arranged in the second counter bore and is abutted against the first clamping strip.
Furthermore, waterproof coating and silencing cotton board have been laid in proper order to acoustic celotex board one from outside to inside, waterproof coating with the thickness of silencing cotton board is unanimous.
Furthermore, the lower ends of the support legs are connected with universal wheels so that the device can move freely.
Furthermore, a plurality of air inlet holes are formed in the front end face of the first base.
Further, filtering component includes filter screen and absorption sponge, it sets up to adsorb the sponge the inside wall of first base, the filter screen is laid on the inner wall of absorption sponge.
Furthermore, the filter screen and the adsorption sponge are detachably connected.
Furthermore, the exhaust assembly is a pair of exhaust fans, and the pair of exhaust fans are respectively installed in the corresponding exhaust openings.
The technical scheme can show that the invention has the advantages that: owing to dust removal mechanism and the concatenation mechanism that is equipped with in this device, not only can the quick replacement structure, free flexibility ratio is high to effectively promoted construction speed, can effectively form a sound insulation barrier moreover, the effectual noise pollution that has reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the support foot of the present invention.
Fig. 3 is a partially enlarged view of a portion a of fig. 1.
Fig. 4 is a partially enlarged view of fig. 3 at B.
Fig. 5 is a schematic structural diagram of the dust removing mechanism of the present invention.
FIG. 6 is a cross-sectional view showing the structure of a first baffle of the present invention.
List of reference numerals: the sound insulation board comprises a first sound insulation board 1, a waterproof coating 11, a sound absorption cotton board 12, support legs 13, universal wheels 14, a second sound insulation board 2, a first base 3, a first clamping strip 31, a second clamping strip 32, an air inlet 33, an air outlet 34, a second base 4, a first counter bore 41, a second counter bore 42, a splicing mechanism 5, a limiting buckle 51, a first contraction part 511, a second contraction part 512, a limiting part 513, a clamping column 52, a tension spring 53, a pull ring 54, a dust removal mechanism 6, a fan 61, a guide plate 62, a filter screen 63, an adsorption sponge 64 and an exhaust fan 65.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Referring to fig. 1 to 6, a soundproof device for finishing work construction shown in fig. 1, 2 and 3 is composed of a first soundproof panel 1, a second soundproof panel 2 and a pair of dust removing mechanisms 6, wherein a lower end of the first soundproof panel 1 is supported by a first base 3; the lower end of the second sound insulation board 2 is supported by a second base 4, a plurality of support legs 13 for fixing are arranged at the lower ends of the first base 3 and the second base 4, and the first sound insulation board 1 and the second sound insulation board 2 are of a composite structure with the same size; the pair of dust removing mechanisms 6 are respectively arranged inside the first base 3 and the second base 4, the dust removing mechanisms 6 comprise fans 61, filtering components and exhaust components, the fans 61 are arranged on the guide plates 62 in the first base 3, the filtering components are arranged on the inner side walls of the first base 3, and the exhaust components are arranged at the air outlets 34 on the rear wall of the first base 3; the first sound insulation board 1 and the second sound insulation board 2 are detachably connected together through a splicing mechanism 5, the splicing mechanism 5 comprises a pair of limiting buckles 51, a clamping buckle and a clamping assembly, the pair of limiting buckles 51 are arranged in the first counter bore 41 of the second base 4, and the pair of limiting buckles 51 are respectively positioned on the inner side walls at two ends of the first counter bore 41; the clamping buckle is fixedly connected with the right side end face of the first base 3, extends into the first counter bore 41 and is connected with a pair of limiting buckles 51 in a clamping manner; the clamping component is arranged in the second counter bore 42 of the second base 4, and the upper end of the clamping component is abutted against the clamping buckle.
Preferably, the snap fastener comprises a first clamping strip 31 and a second clamping strip 32, the first clamping strip 31 is fixedly connected with the right side end face of the first base 3, the second clamping strip 32 is fixedly connected with the first clamping strip 31, and the second clamping strip 32 can be connected with a pair of limit fasteners 51 in a snap fit manner.
As shown in fig. 4, the position-limiting buckle 51 includes a first contracting portion 511, a second contracting portion 512, and a position-limiting portion 513, which are integrally connected, the first contracting portion 511 is fixedly connected to an inner side wall of the first counterbore 41, and the position-limiting portion 513 can be pressed against the second clamping strip 32.
As shown in fig. 5, the clamping assembly includes a clamping column 52, a pair of tension springs 53 and a pull ring 54, the pair of tension springs 53 are connected to the inner bottom wall of the second counterbore 42, the pull ring 54 is fixed at the lower end of the pair of tension springs 53, the clamping column 52 is vertically connected with the pull ring 54, and the clamping column 52 is movably disposed in the second counterbore 42 and abuts against the first clamping strip 31.
As shown in fig. 6, a waterproof coating 31 and a silencing cotton plate 12 are sequentially laid on the first sound insulation plate 1 from outside to inside, and the thickness of the waterproof coating 31 is consistent with that of the silencing cotton plate 12.
Preferably, a universal wheel 14 is connected to the lower ends of the plurality of support legs 13 so that the device as a whole can move freely.
Preferably, a plurality of air inlet holes 33 are formed in the front end surface of the first base 3.
Preferably, the filtering component comprises a filtering net 63 and an adsorption sponge 64, the adsorption sponge 64 is arranged on the inner side wall of the first base 3, and the filtering net 63 is laid on the inner wall of the adsorption sponge 64. Set up above structure, can effectively filter impurity to adsorb on adsorbing sponge 64.
Preferably, the filter screen 63 and the adsorption sponge 64 are detachably connected.
Preferably, the exhaust assembly is a pair of exhaust fans 65, and the pair of exhaust fans 65 are respectively installed in the corresponding exhaust ports 34.
The working process is as follows: during splicing, the pull ring 54 is pulled to stretch the pair of tension springs 53 and drive the clamping column 52 to move downwards until the second clamping strip 32 is clamped and connected with the pair of limiting buckles 51, the limiting part 513 can be pressed against the second clamping strip 32, the clamping column 52 is pressed against the first clamping strip 31 to be clamped, the fan 61 is started to enable air to enter from the plurality of air inlet holes 33, impurities of the air are removed through the filter screen 63 and the adsorption sponge 64, and the filtered air is discharged from the air outlet 34 through the exhaust fan 65; to sum up, owing to dust removal mechanism 6 and the concatenation mechanism 5 that are equipped with in this device, not only can quick replacement structure, free flexibility ratio is high to effectively promoted the construction speed, can effectively form a sound insulation barrier moreover, the effectual noise pollution that has reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a noise insulation is used in fitment engineering construction which characterized in that includes:
the lower end of the first sound insulation board (1) is supported by a first base (3);
the lower end of the second sound insulation board (2) is supported by a second base (4), a plurality of support legs (13) for fixing are arranged at the lower ends of the first base (3) and the second base (4), and the first sound insulation board (1) and the second sound insulation board (2) are of a composite structure with the same size;
the dust removal device is characterized by further comprising a pair of dust removal mechanisms (6), wherein the pair of dust removal mechanisms (6) are respectively arranged inside the first base (3) and the second base (4), each dust removal mechanism (6) comprises a fan (61), a filtering component and an exhaust component, the fan (61) is arranged on a guide plate (62) in the first base (3), the filtering component is arranged on the inner side wall of the first base (3), and the exhaust component is arranged at an air outlet (34) in the rear wall of the first base (3);
wherein, the acoustic celotex board one (1) with can dismantle through splicing mechanism (5) between the acoustic celotex board two (2) and link together, splicing mechanism (5) include:
the pair of limiting buckles (51), the pair of limiting buckles (51) are arranged in the first counter bore (41) of the second base (4), and the pair of limiting buckles (51) are respectively positioned on the inner side walls at two ends of the first counter bore (41);
the clamping buckle is fixedly connected with the right side end face of the first base (3), extends into the first counter bore (41) and is connected with a pair of limiting buckles (51) in a clamping manner;
and the clamping assembly is arranged in a second counter bore (42) of the second base (4), and the upper end of the clamping assembly is abutted against the clamping buckle.
2. The sound insulation device for finishing work construction according to claim 1, wherein the snap fastener comprises a first fastening strip (31) and a second fastening strip (32), the first fastening strip (31) is fixedly connected with the right end face of the first base (3), the second fastening strip (32) is fixedly connected with the first fastening strip (31), and the second fastening strip (32) can be snap-connected with a pair of limit fasteners (51).
3. The sound insulation device for decoration engineering construction according to claim 2, wherein the position-limiting buckle (51) comprises a first contraction part (511), a second contraction part (512) and a position-limiting part (513) which are integrally connected, the first contraction part (511) is fixedly connected with the inner side wall of the first counter bore (41), and the position-limiting part (513) can be pressed against the second clamping strip (32).
4. The sound insulation device for decoration engineering construction according to claim 3, wherein the clamping assembly comprises a clamping column (52), a pair of tension springs (53) and a pull ring (54), the pair of tension springs (53) are connected to the inner bottom wall of the second counterbore (42), the pull ring (54) is fixed at the lower end of the pair of tension springs (53), the clamping column (52) is vertically connected with the pull ring (54), and the clamping column (52) is movably arranged in the second counterbore (42) and is abutted against the first clamping strip (31).
5. The acoustic insulation device for finishing work construction according to claim 1, wherein the first acoustic insulation board (1) is sequentially laid with a waterproof coating (31) and a sound deadening cotton board (12) from outside to inside, and the waterproof coating (31) and the sound deadening cotton board (12) have the same thickness.
6. The soundproof device for finishing work according to claim 1, wherein a universal wheel (14) is connected to lower ends of the plurality of legs (13) so that the device as a whole can move freely.
7. The sound-proofing device for finishing work according to claim 1, wherein a plurality of air inlet holes (33) are formed on the front end surface of the first base (3).
8. The soundproof device for finishing work construction according to claim 1, wherein the filter unit includes a filter net (63) and an adsorption sponge (64), the adsorption sponge (64) is provided on an inner side wall of the first base (3), and the filter net (63) is laid on an inner wall of the adsorption sponge (64).
9. The sound-proofing device for finishing work according to claim 8, wherein the filter net (63) and the adsorption sponge (64) are detachably connected.
10. The acoustic insulation apparatus for finishing work according to claim 1, wherein the exhaust assembly is a pair of exhaust fans (65), and the pair of exhaust fans (65) are installed in the corresponding exhaust ports (34), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111117445.4A CN113802706A (en) | 2021-09-23 | 2021-09-23 | Sound insulation device is used in fitment engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111117445.4A CN113802706A (en) | 2021-09-23 | 2021-09-23 | Sound insulation device is used in fitment engineering construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113802706A true CN113802706A (en) | 2021-12-17 |
Family
ID=78896379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111117445.4A Pending CN113802706A (en) | 2021-09-23 | 2021-09-23 | Sound insulation device is used in fitment engineering construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113802706A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335275Y (en) * | 1997-06-16 | 1999-08-25 | 林鼎云 | Rigid holding type socket for power source |
| EP1715546A1 (en) * | 2005-04-20 | 2006-10-25 | Rockwell Automation AG | Pluggable electrical connection |
| CN101060207A (en) * | 2006-04-21 | 2007-10-24 | 维哥经营公司mbh | Electric binding terminal |
| US20080179580A1 (en) * | 2007-01-29 | 2008-07-31 | Mcginness William | Pocket rail construction |
| EP3018761A1 (en) * | 2014-11-07 | 2016-05-11 | MCQ TECH GmbH | Circuit board connecting terminal |
| CN206785107U (en) * | 2017-05-18 | 2017-12-22 | 大田县瑞杰室内空气净化服务有限责任公司 | A kind of portable construction sound arrester |
| CN209308447U (en) * | 2019-01-14 | 2019-08-27 | 李继荣 | A kind of live dust-extraction unit of civil construction |
| CN210828627U (en) * | 2019-09-29 | 2020-06-23 | 彭量 | Bridge construction is with protection frame |
| CN212404907U (en) * | 2020-04-26 | 2021-01-26 | 深圳市洹源建设有限公司 | Silencing device is used in town road bridge construction |
| CN212715388U (en) * | 2020-04-16 | 2021-03-16 | 济宁市绿材节能科技股份有限公司 | Heat-insulation wallboard |
-
2021
- 2021-09-23 CN CN202111117445.4A patent/CN113802706A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335275Y (en) * | 1997-06-16 | 1999-08-25 | 林鼎云 | Rigid holding type socket for power source |
| EP1715546A1 (en) * | 2005-04-20 | 2006-10-25 | Rockwell Automation AG | Pluggable electrical connection |
| CN101060207A (en) * | 2006-04-21 | 2007-10-24 | 维哥经营公司mbh | Electric binding terminal |
| US20080179580A1 (en) * | 2007-01-29 | 2008-07-31 | Mcginness William | Pocket rail construction |
| EP3018761A1 (en) * | 2014-11-07 | 2016-05-11 | MCQ TECH GmbH | Circuit board connecting terminal |
| CN206785107U (en) * | 2017-05-18 | 2017-12-22 | 大田县瑞杰室内空气净化服务有限责任公司 | A kind of portable construction sound arrester |
| CN209308447U (en) * | 2019-01-14 | 2019-08-27 | 李继荣 | A kind of live dust-extraction unit of civil construction |
| CN210828627U (en) * | 2019-09-29 | 2020-06-23 | 彭量 | Bridge construction is with protection frame |
| CN212715388U (en) * | 2020-04-16 | 2021-03-16 | 济宁市绿材节能科技股份有限公司 | Heat-insulation wallboard |
| CN212404907U (en) * | 2020-04-26 | 2021-01-26 | 深圳市洹源建设有限公司 | Silencing device is used in town road bridge construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213286078U (en) | Dust adsorption device for purification workshop | |
| WO2015178449A1 (en) | Intake air filter device, filter replacing method for intake air filter device and gas turbine | |
| CN113802706A (en) | Sound insulation device is used in fitment engineering construction | |
| CN111203749B (en) | Noise treatment device for machining center | |
| CN202316524U (en) | Bottom roll wiping and cleaning device | |
| KR100850314B1 (en) | Painting device of integrated with environmental equipment | |
| CN111744919A (en) | Noise prevention and control equipment for environmental protection engineering | |
| CN204841206U (en) | Environmental protection filter screen belt cleaning device | |
| CN210443259U (en) | Easy-to-detach protection sleeve of noise elimination module and array type silencer | |
| CN210995481U (en) | Computer room is with dust removal maintenance of equipment | |
| CN215782127U (en) | Detachable combined filter net sheet | |
| CN212069423U (en) | Civil engineering is with categorised screening sand machine | |
| CN113562100A (en) | Dust removal and noise reduction device for disassembly processing of scraped car | |
| CN110599992A (en) | Noise processing apparatus for industrial production | |
| KR20220013259A (en) | A pocket filter and an exhaust apparatus of a car-painting booth with use of the pocket filter | |
| CN211822800U (en) | Fan coil filter screen fixing device | |
| CN209723577U (en) | A kind of building engineering construction noise-proof device | |
| CN218471586U (en) | Sound-absorbing and noise-reducing equipment and noise-reducing mechanism and moving mechanism thereof | |
| CN220580657U (en) | Assembled working room | |
| CN220026539U (en) | Renewable active carbon adsorption tower | |
| JPH0424037Y2 (en) | ||
| CN208791891U (en) | A kind of Weaving device with cleaning function | |
| CN220860935U (en) | Paint mist filtering equipment | |
| CN221108980U (en) | Screening machine and screen cloth that can swiftly change screen cloth | |
| CN216044514U (en) | Device for reducing noise of centrifugal fan |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211217 |