CN112139083A - Air guide structure of light steel frame for constructional engineering - Google Patents
Air guide structure of light steel frame for constructional engineering Download PDFInfo
- Publication number
- CN112139083A CN112139083A CN202010944693.5A CN202010944693A CN112139083A CN 112139083 A CN112139083 A CN 112139083A CN 202010944693 A CN202010944693 A CN 202010944693A CN 112139083 A CN112139083 A CN 112139083A
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- air guide
- guide structure
- main body
- body frame
- filter
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 210000004209 hair Anatomy 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000001680 brushing effect Effects 0.000 claims description 4
- 238000010408 sweeping Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 10
- 230000001174 ascending effect Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 125000006850 spacer group Chemical group 0.000 description 6
- 230000009194 climbing Effects 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000036544 posture Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses an air guide structure of a light steel frame for constructional engineering, relates to the technical field of light steel frames for buildings, and solves the problems that the existing air guide structure needs to ascend and manually applies force to sequentially wipe and clean components such as a filter screen, a lampshade and the like, the operation is complex and inconvenient, and certain potential safety hazards exist in ascending operation. The utility model provides an air guide structure of light steelframe for building engineering, includes main body frame, main body frame includes trapezoidal lamp shade and six prism pole, main body frame wholly is square structure, and its inside equidistance interval arrangement has trapezoidal lamp shade everywhere, and the shutoff all welds in the interval rectangular of three between this trapezoidal lamp shade everywhere has a punishment slat, and all has seted up one row of rectangle air vent on the punishment slat everywhere, all changes in these two rows of rectangle air vents to insert and install a filter roll. In the invention, the brush hairs on the brush plates at the front side and the rear side of the filter roller can sweep and clean the metal filter screen on the filter roller in the rotating process of the filter roller, so that the cleaning operation of the filter roller is efficient and convenient.
Description
Technical Field
The invention relates to the technical field of light steel frames for buildings, in particular to an air guide structure of a light steel frame for constructional engineering.
Background
With the development of the building industry, the application of the light steel frame gradually becomes the main material of a part building, the light steel frame has enough material lightness, fire resistance, sound insulation and construction convenience, and can be conveniently assembled by technical workers, thereby bringing convenience to the building industry.
The structure of light steelframe also is in continuous change along with people's needs, can produce the light steelframe structure of matching according to actual conditions, the light steelframe is also commonly used on the suspended ceiling structure in the room as the installation main part of light, but the suspended ceiling material itself has the leakproofness, the closely knit degree of light steelframe of deuterogamying, if do not be equipped with the scavenger fan in the room, it is unsmooth to cause the air current in the room very easily, so need add a light steelframe structure that has the air guide structure in the roof of suspended ceiling inside, the circulation of improvement air.
For example, patent No. CN201320528381.1 discloses a furred ceiling structure, including keel structure, with keel structure complex panel and with keel structure, panel complex casing, one side fixed mounting towards the panel on the casing has an at least fluorescent tube, the local area that corresponds with the fluorescent tube on the panel is equipped with the light-passing board, and it has an at least gold pipe still to fixed mounting on one side towards the panel on the casing, the region that corresponds with the gold pipe on the panel evenly is equipped with exhaust bars. The utility model provides a furred ceiling structure has improved traditional furred ceiling structure, has increased the gold pipe on the basis that possesses lighting module, has satisfied user's user demand better, and inside lighting module and gold pipe all were located the furred ceiling structure, the holistic appearance of furred ceiling structure is pleasing to the eye, generous.
The existing air guide structure needs to ascend and manually exert force to clean parts such as a filter screen and a lampshade in sequence, the operation is complex and inconvenient, the ascending operation has certain potential safety hazard, the ascending operation needs to be carried out by lifting up when the cleaning operation is carried out, and the cleaning efficiency is low due to the fact that the ascending operation is difficult and inconvenient.
Disclosure of Invention
The invention aims to provide an air guide structure of a light steel frame for constructional engineering, which aims to solve the problems that the parts such as a filter screen, a lampshade and the like are required to be sequentially cleaned by climbing and manually exerting force in the background technology, the operation is complicated and inconvenient, and certain potential safety hazards exist in climbing operation.
In order to achieve the purpose, the invention provides the following technical scheme: the air guide structure of the light steel frame for the building engineering comprises a main body frame, wherein the main body frame comprises trapezoid lampshades, positioning shaft rods and six prism rods, the whole main body frame is of a square structure, four trapezoid lampshades are arranged in the main body frame at equal intervals, three interval strips among the four trapezoid lampshades are welded and blocked with a long lath, the three long laths are provided with a row of rectangular vent holes, and the two rows of rectangular vent holes are provided with a filter roller in a rotating and inserting manner; two brushing plates are symmetrically fixed on the plate surfaces of the front side and the rear side of each filtering roller through magic tapes; two positioning shaft levers are symmetrically supported at the top ends of the left side and the right side of the main body frame, and four hurdle frames are sleeved on the two positioning shaft levers in a sliding arrangement mode; two hexagonal prism rods are symmetrically supported on the middle long slat of the main body frame, two racks are slidably mounted on the two hexagonal prism rods in a front-back corresponding manner, and an inner hexagonal nut is rotatably mounted at the center of the middle long slat; a lamp rod is arranged at the middle position inside the trapezoidal lampshade in a twisting manner; four vertical supporting short columns are symmetrically welded at the top ends of the four corners of the main body frame.
Preferably, the vertical support short columns comprise positioning frames and clamping plates, one positioning frame penetrates through and is inserted into the left and right vertical support short columns through spring pushing, and four groups of clamping plates are welded on the end faces of the bottom sides of the two positioning frames at equal intervals.
Preferably, six ventilation grooves are formed in the filter roller in an encircling mode, metal filter screens are arranged on the six ventilation grooves in a covering mode, and a circle of tooth grooves are formed in the periphery of the circular end plate on the inner side of the filter roller.
Preferably, the inner side of each brush board is provided with bristles, and the bristles on the two brush boards corresponding to the front and the back can be in rotating and sweeping contact with the filter roller.
Preferably, the inner hexagonal nut comprises a gear, a gear is sleeved on the bottom section of the inner hexagonal nut rotating shaft, and the gear is correspondingly in contact engagement with the left rack and the right rack.
Preferably, the rack is including wiping board and driving plate, and two the head end of rack is that the left and right sides corresponds the welding support and has two places to wipe the board, and the bottom of this two places is wiped the board and all is pasted the interval through the magic and is fixed with the brush of two trapezoidal structures, and the bottom of two places wiping the board interlude all is provided with one row of driving plate.
Preferably, the fence frame includes the spacer, everywhere the fence frame sliding arrangement is in the top of everywhere trapezoidal lamp shade, and the sliding sleeve at both ends all supports the welding and has a place spacer about the fence frame of everywhere, and this everywhere spacer corresponds and four groups splint cooperation of pegging graft.
Preferably, the four trapezoidal brushes at the bottoms of the two wiping plates are correspondingly and slidably arranged in the four trapezoidal lamp shades, and the two rows of driving sheets are correspondingly in sliding meshed contact with a circle of tooth grooves on the circular end plate at the inner side of the filter roller.
Compared with the prior art, the invention has the beneficial effects that:
1. the brush bristles on the brush plates on the front side and the rear side of the filter roller can sweep and clean the metal filter screen on the filter roller in the rotating process of the filter roller, so that the cleaning operation of the filter roller is efficient and convenient, and the trouble of cleaning filter screen components in sequence by manually ascending a height is avoided;
2. the gear can be positively and negatively twisted to clean and wipe the four trapezoidal lamp shades only by the matching of one hexagonal long rod and the inner hexagonal nut which are inserted manually when the lamp stands on the ground, so that the complex steps of manual climbing and sequential wiping are avoided, potential safety hazards caused by climbing operation are prevented, and the cleaning and wiping operation of the four trapezoidal lamp shades is convenient, efficient and labor-saving;
3. the four fence frames are positioned by the spring top insertion of the two positioning frames, and the elastic insertion of the four fence frames can be quickly completed by only lifting and pulling the two positioning frames up and down, so that the lamp is more convenient to disassemble and assemble compared with the conventional screw fixing and mounting mode, and the lamp rod disassembling, maintaining and replacing efficiency is improved;
4. according to the invention, through the power transmission of the two rows of driving sheets, the two rows of filter rollers can be driven to rotate forwards and backwards through linkage and meshing in the process that the two wiping plates and the two racks reciprocate forwards and backwards, so that the two rows of filter rollers can be synchronously brushed and cleaned by the two rows of brush plates, the step of driving the two rows of filter rollers to rotate and clean by extra manual force is omitted, and time and labor are saved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation position of the socket cap nut according to the present invention;
FIG. 3 is a schematic three-dimensional structure of the wiping plate of the present invention;
FIG. 4 is a bottom structure view of the wiping board of the present invention;
FIG. 5 is a schematic view of a positioning frame according to the present invention;
FIG. 6 is a three-dimensional structure of the hurdle frame of the present invention;
FIG. 7 is a schematic diagram of a three-dimensional structure of the socket cap nut of the present invention;
FIG. 8 is an enlarged view of portion A of FIG. 4 according to the present invention;
FIG. 9 is an enlarged view of portion B of FIG. 1 according to the present invention;
FIG. 10 is a schematic view of a filter roll according to the present invention;
in the figure: 1. a main body frame; 101. a trapezoidal lampshade; 102. positioning the shaft lever; 103. a hexagonal prism bar; 2. a vertical support short column; 201. a positioning frame; 202. a splint; 3. a filter roll; 4. brushing the board; 5. an inner hexagonal nut; 501. a gear; 6. a lamp stick; 7. a rack; 701. wiping the board; 702. a driving plate; 8. a hurdle frame; 801. and (6) a positioning sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 10, an embodiment of the present invention includes: an air guide structure of a light steel frame for constructional engineering comprises a main body frame 1, wherein the main body frame 1 comprises a trapezoidal lampshade 101, a positioning shaft rod 102 and a hexagonal prism rod 103, the whole main body frame 1 is of a square structure, four trapezoidal lampshades 101 are arranged in the main body frame 1 at equal intervals, a long strip plate is welded and plugged in three spaced strips among the four trapezoidal lampshades 101, a row of rectangular vent holes are formed in the three long strip plates, and a filter roller 3 is rotatably inserted in the two rows of rectangular vent holes; two brushing plates 4 are symmetrically fixed on the plate surfaces of the front side and the back side of each filtering roller 3 through magic tapes; two positioning shaft rods 102 are symmetrically supported at the top ends of the left side and the right side of the main body frame 1, and four hurdle frames 8 are sleeved on the two positioning shaft rods 102 in a sliding arrangement manner; two hexagonal prism rods 103 are symmetrically supported on the middle long slat of the main body frame 1, two racks 7 are slidably mounted on the two hexagonal prism rods 103 in a front-back corresponding manner, and an inner hexagon nut 5 is rotatably mounted at the center of the middle long slat; a lamp rod 6 is arranged at the middle position inside the trapezoidal lampshade 101 in a twisting manner; four vertical supporting short columns 2 are symmetrically welded at the top ends of four corners of the main body frame 1; the vertical support short columns 2 comprise positioning frames 201 and clamping plates 202, one positioning frame 201 penetrates through and is inserted into each of the left and right groups of vertical support short columns 2 through spring pushing, four groups of clamping plates 202 are welded on the end surfaces of the bottom sides of the two positioning frames 201 at equal intervals, and the two positioning frames 201 can be used for inserting and positioning four rail frames 8, so that the four rail frames 8 are kept in barrier postures at equal intervals; six ventilative grooves are arranged on the filter roll 3 in an encircling manner, a metal filter screen is arranged on the six ventilative grooves in a covering manner, a circle of tooth grooves are formed in the periphery of the inner side circular end plate of the filter roll 3, and the six ventilative grooves on the filter roll 3 can guarantee the circulation of air.
Further, each department the brush hair has all been arranged to the inboard of brush board 4, and the brush hair on the two brush boards 4 that correspond around and can sweep with the rotatory contact of wiping of filter roll 3, brush hair on both sides brush board 4 can sweep the metal filter screen on the filter roll 3 clean around the rotatory in-process of filter roll 3, and this can make the cleaning operation of filter roll 3 high-efficient convenient, saves the artifical trouble of ascending a height and implement cleanly to the filter screen part in proper order.
Further, hexagon socket cap nut 5 includes gear 501, the cover is equipped with a gear 501 in the bottom section of 5 pivots of hexagon socket cap nut, this gear 501 corresponds and controls two rack 7 contact meshing, the manual work stands and just can carry out the clean of positive and negative torsion realization to four trapezoidal lamp shade 101 to gear 501 through the cooperation of inserting in one hexagonal stock and hexagon socket cap nut 5 top on the ground, this loaded down with trivial details step of having removed artifical ascending a height and having cleaned in proper order, prevent the potential safety hazard that the operation of ascending a height brought, make the clean convenient operation high efficiency laborsaving of wiping of four trapezoidal lamp shade 101.
Further, the rack 7 comprises a wiping plate 701 and driving pieces 702, the head ends of the two racks 7 are correspondingly welded and supported at two positions on the left and right sides of the wiping plate 701, brushes with two trapezoidal structures are fixed at the bottoms of the two wiping plates 701 at intervals through magic tapes, a row of driving pieces 702 are arranged at the bottoms of the middle sections of the two wiping plates 701, and the two racks 7 can drive the two wiping plates 701 to move back and forth to brush and clean the four trapezoidal lamp shades 101 synchronously under the positive and negative rotation meshing of the gear 501.
Further, hurdle 8 includes spacer 801, everywhere hurdle 8 sliding arrangement is on the top of four places trapezoidal lamp shade 101, and the sliding sleeve at both ends all supports the welding and has a spacer 801 about four places hurdle 8, and this location spacer 801 corresponds and four groups of splint 202 grafting cooperation, can follow two location axostylus axostyles 102 after four places hurdle 8 is loosened and slide to the front and back both sides and vacate the space in the top of four places trapezoidal lamp shade 101, implement the change to rod 6.
Further, the four trapezoidal brushes at the bottom of the two wiping plates 701 are correspondingly arranged in the four trapezoidal lamp shades 101 in a sliding mode, the two rows of driving sheets 702 are correspondingly in sliding meshed contact with the circle of tooth grooves on the circular end plate on the inner side of the filter roller 3 in a sliding mode, the two rows of filter rollers 3 can be driven to rotate forward and backward through linkage meshing in the process that the two wiping plates 701 and the two racks 7 reciprocate back and forth through power transmission of the two rows of driving sheets 702, the two rows of filter rollers 3 can be synchronously brushed and cleaned by the two rows of brush plates 4, the step that extra manual force is applied to drive the two rows of filter rollers 3 to rotate and clean is omitted, and time and labor are saved.
The working principle is as follows: when the air filtering device is used, the main body frame 1 and the four trapezoidal lamp shades 101 inside the main body frame are clamped in the mounting grooves in the suspended ceiling, the two positioning frames 201 can carry out inserting positioning on the four rail frames 8, so that the four rail frames 8 are kept in barrier postures at equal intervals, and the six ventilation grooves in the filtering roller 3 can ensure the circulation of air;
the gear 501 can be twisted forward and backward only by inserting and matching a hexagonal long rod with the hexagonal nut 5, under the positive and negative rotation meshing of the gear 501, the two racks 7 can drive the two wiping plates 701 to move back and forth to brush and clean the four trapezoidal lamp shades 101 synchronously, and through the power transmission of the two rows of driving sheets 702, in the process of back-and-forth reciprocating motion of the two wiping plates 701 and the two racks 7, the two rows of filter rollers 3 can be driven to rotate positively and negatively by linkage and meshing, the brush hairs on the brush boards 4 at the front and the back sides of the filter roller 3 can sweep and clean the metal filter screen on the filter roller 3 in the rotating process of the filter roller 3, the cleaning operation of the filter roller 3 is efficient and convenient, the trouble of cleaning the filter screen parts by ascending the height manually in turn is saved, the potential safety hazard caused by climbing operation can be prevented, and the cleaning operation of the four trapezoidal lamp shades 101 is convenient, efficient and labor-saving.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides an air guide structure of light steelframe for building engineering which characterized in that: the filter roller comprises a main body frame (1), wherein the main body frame (1) comprises a trapezoid lampshade (101), a positioning shaft rod (102) and a hexagonal prism rod (103), the main body frame (1) is integrally of a square structure, four trapezoid lampshades (101) are arranged in the main body frame at equal intervals, long strips at three intervals among the four trapezoid lampshades (101) are welded and blocked, a row of rectangular vent holes are formed in the three long strips, and a filter roller (3) is rotatably inserted into the two rows of rectangular vent holes; two brushing plates (4) are symmetrically fixed on the plate surfaces of the front side and the back side of each filtering roller (3) through magic tapes; two positioning shaft rods (102) are symmetrically supported at the top ends of the left side and the right side of the main body frame (1), and four hurdle frames (8) are sleeved on the two positioning shaft rods (102) in a sliding arrangement manner; two hexagonal prism rods (103) are symmetrically supported on the middle long slat of the main body frame (1), two racks (7) are correspondingly sleeved and slidably mounted on the two hexagonal prism rods (103) in a front-back manner, and an inner hexagon nut (5) is rotatably inserted into the center of the middle long slat; a lamp rod (6) is arranged at the middle position inside the trapezoidal lampshade (101) in a twisting way; four vertical supporting short columns (2) are symmetrically welded at the top ends of the four corners of the main body frame (1).
2. The air guide structure of the light steel frame for construction engineering according to claim 1, wherein: the vertical support short columns (2) comprise positioning frames (201) and clamping plates (202), the left vertical support short column and the right vertical support short column (2) are both provided with one positioning frame (201) in a penetrating and inserting mode through spring pushing, and four groups of clamping plates (202) are welded on the end faces of the bottom sides of the two positioning frames (201) at equal intervals.
3. The air guide structure of the light steel frame for construction engineering according to claim 1, wherein: six ventilation grooves are formed in the filter roller (3) in an encircling mode, metal filter screens are arranged on the six ventilation grooves in a covering mode, and a circle of tooth grooves are formed in the periphery of the inner side circular end plate of the filter roller (3).
4. The air guide structure of the light steel frame for construction engineering according to claim 1, wherein: the inner side of each brush board (4) is distributed with brush hair, and the brush hair on the two brush boards (4) corresponding to the front and the back can be in rotating and sweeping contact with the filter roll (3).
5. The air guide structure of the light steel frame for construction engineering according to claim 1, wherein: the inner hexagonal nut (5) comprises a gear (501), the gear (501) is sleeved on the bottom section of the rotating shaft of the inner hexagonal nut (5), and the gear (501) is correspondingly in contact engagement with the left rack (7) and the right rack (7).
6. The air guide structure of the light steel frame for construction engineering according to claim 1, wherein: the rack (7) comprises a wiping plate (701) and driving pieces (702), the head ends of the two racks (7) are correspondingly welded and supported at the left and right sides to form two wiping plates (701), the bottoms of the two wiping plates (701) are fixed with two hairbrushes with trapezoidal structures at intervals through magic tapes, and the bottom of the middle section of each wiping plate (701) is provided with a row of driving pieces (702).
7. The air guide structure of the light steel frame for construction engineering according to claim 1, wherein: the hurdle frame (8) comprises positioning pieces (801), the hurdle frame (8) is arranged at the top end of the trapezoidal lampshade (101) at four positions in a sliding mode, the positioning pieces (801) are welded to sliding sleeves at the left end and the right end of the hurdle frame (8) in a supporting mode, and the positioning pieces (801) at four positions are correspondingly matched with the four groups of clamping plates (202) in an inserting mode.
8. The air guide structure of the light steel frame for construction engineering according to claim 6, wherein: the four trapezoidal brushes at the bottoms of the two wiping plates (701) are correspondingly and slidably arranged in the four trapezoidal lamp shades (101), and the two rows of driving sheets (702) are correspondingly in sliding meshed contact with a circle of tooth grooves on the circular end plate at the inner side of the filter roller (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944693.5A CN112139083B (en) | 2020-09-10 | 2020-09-10 | Air guide structure of light steel frame for constructional engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944693.5A CN112139083B (en) | 2020-09-10 | 2020-09-10 | Air guide structure of light steel frame for constructional engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112139083A true CN112139083A (en) | 2020-12-29 |
| CN112139083B CN112139083B (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010944693.5A Active CN112139083B (en) | 2020-09-10 | 2020-09-10 | Air guide structure of light steel frame for constructional engineering |
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| CN112139083B (en) | 2022-08-19 |
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