CN115264181A - Mounting and supporting device for civil water supply and drainage PVC pipe - Google Patents
Mounting and supporting device for civil water supply and drainage PVC pipe Download PDFInfo
- Publication number
- CN115264181A CN115264181A CN202211191343.1A CN202211191343A CN115264181A CN 115264181 A CN115264181 A CN 115264181A CN 202211191343 A CN202211191343 A CN 202211191343A CN 115264181 A CN115264181 A CN 115264181A
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- fixedly connected
- pvc pipe
- water supply
- drainage
- mounting
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
- F16L3/20—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention relates to the field of PVC pipe installation, in particular to an installation supporting device for a civil water supply and drainage PVC pipe, which comprises: the mounting and supporting device for the civil water supply and drainage PVC pipe comprises a supporting seat, a fixing box, arc-shaped plates and cylindrical rods, wherein the fixing box is fixedly connected to the bottom of the supporting seat at equal intervals, partition plates are fixedly connected to the inner portion of the fixing box, sleeves are rotatably connected to the inner portions of the partition plates through bearings, and the cylindrical rods are slidably connected to the inner portions of the sleeves.
Description
Technical Field
The invention relates to the field of PVC pipe installation, in particular to an installation supporting device for a civil water supply and drainage PVC pipe.
Background
Civil drain pipe mainly undertakes the rainwater, sewage, the task of drainage such as farmland drainage and irrigation, generally adopt the PVC material, especially civil house, at the floor top of multilayer house, long installation a plurality of drain pipes, but inside current drain pipe one kind is imbed the building body, but be not convenient for dismantle the maintenance, one kind is suspended in midair in the roof bottom of floor through solid fixed ring, this kind of mounting means need be through installing a plurality of rings in advance, inside the rings is installed to the rethread bolt with the drain pipe, this kind of mode has certain specification at the size of rings, can not adjust when the deviation appears in the thickness of drain pipe, and the installation step is loaded down with trivial details, when dismantling the installation many times, bolt department takes place easily not hard up, and the elasticity is not convenient for adjust.
Therefore, there is a need to provide a new installation and support device for PVC pipe for civil water supply and drainage to solve the above problems.
Disclosure of Invention
In order to solve the technical problem, the invention provides an installation and support device for a civil water supply and drainage PVC pipe.
The invention provides a mounting and supporting device for a civil water supply and drainage PVC pipe, which comprises: a supporting seat, the fixed box, arc and cylinder pole, the fixed box of supporting seat bottom equidistance fixedly connected with, the inside equal fixedly connected with baffle of fixed box, the baffle is inside all to rotate through the bearing and to be connected with the sleeve, the inside equal sliding connection of sleeve has the cylinder pole, the cylinder pole bottom outside all cup joints and is fixed with the round platform piece, cylinder pole bottom fixedly connected with backing plate, square groove has all been seted up to fixed box bottom both sides, the inside arc that all is equipped with in square groove, the arc both sides are equallyd divide and are connected with the bottom both sides inner wall rotation that corresponds square groove through the pin respectively, the arc top all is seted up flutedly, the inside equal rotating connection of recess has the bull stick, the equal fixedly connected with ball piece in the bull stick outside, the solid fixed ring of the equal fixedly connected with in the cylinder pole outside, the equal sliding connection in the cylinder pole outside has the loose ring, the cylinder pole outside is located all the cover between loose ring and the solid fixed ring that corresponds has first spring, first spring is equallyd divide at first spring both ends respectively with solid fixed ring and loose ring fixed connection that corresponds.
Preferably, the sleeve outside all cup joints and is fixed with the worm wheel, and fixed box inside all rotates and is connected with the pivot, and the pivot outside all cup joints and is fixed with the worm, and the worm all is connected with the worm wheel meshing that corresponds, the equal fixedly connected with knob of pivot one end.
Preferably, the inside equidistance of sleeve equiangular fixedly connected with is spacing, and the bar groove has been seted up to cylinder pole outside equidistance equiangular, spacing all with the bar groove sliding connection that corresponds.
Preferably, the ring channel has been seted up to the equal equidistance in cylinder pole top outside, fixing box one side all slides and pegs graft there is the cardboard, cardboard one side all cooperatees with the ring channel that corresponds, the equal fixedly connected with fixed strip in cardboard top, the inside impartial distance of fixed strip slides and pegs graft there is the locating lever, locating lever one end all with one side inner wall fixed connection who corresponds the fixing box, the locating lever outside all overlaps has the second spring, the second spring both ends are equallyd divide do not with the fixed strip and fixing box one side inner wall fixed connection who correspond, the equal fixedly connected with of one end pull block that the cylinder pole was kept away from to the cardboard.
Preferably, the outer sides of the pull block and the knob are both provided with a curved groove.
Preferably, the supporting seat is fixedly connected with a reinforcing plate inside.
Preferably, the inner parts of the two sides of the supporting seat are fixedly connected with a triangular plate at equal intervals.
Preferably, the mounting plates are fixedly connected to two sides of the top of the supporting seat.
Preferably, round holes are formed in the top of the mounting plate at equal intervals.
Preferably, the outer wall of the fixing box is provided with an identification ring outside the corresponding knob.
Compared with the related art, the mounting and supporting device for the civil water supply and drainage PVC pipe has the following beneficial effects:
1. the invention provides an installation supporting device of a civil water supply and drainage PVC pipe, when in installation, a drainage pipe is placed between arc-shaped plates of corresponding fixed boxes in a push-up mode, a cylindrical rod slides upwards by extruding a backing plate through the drainage pipe to drive the arc-shaped plates to rotate mutually and be sleeved outside the drainage pipe, the installation efficiency is improved, the installation steps are reduced, the installation is more convenient, and the rotation angle of the arc-shaped plates can be controlled according to different lengths of the drainage pipes with different sizes sliding on the extrusion cylindrical rod.
2. The invention provides an installation and support device for a civil water supply and drainage PVC pipe, which is characterized in that a rotary knob is rotated to drive a rotary shaft to rotate, the rotating angles of two arc-shaped plates in a fixed box are adjusted, after the PCV pipe is placed in the fixed box, the arc-shaped plates and the PCV pipe are more attached, and the PVC pipe is more stable and firm in support.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of the installation and support device for PVC pipes for civil water supply and drainage provided by the invention;
FIG. 2 is a schematic view of the overall structure shown in FIG. 1;
FIG. 3 is a schematic structural view of the fixing box shown in FIG. 1;
figure 4 is one of the structural cross-sectional views of the fixing box shown in figure 1,
FIG. 5 is a second sectional view of the structure of the fixing box shown in FIG. 1;
FIG. 6 is an enlarged view of the structure of the region A shown in FIG. 5;
FIG. 7 is a schematic structural view of the arcuate plate shown in FIG. 4;
FIG. 8 is a schematic view of the separator shown in FIG. 4;
FIG. 9 is a cross-sectional view of the construction of the baffle and sleeve shown in FIG. 8;
fig. 10 is a schematic view of the sleeve shown in fig. 8.
Reference numbers in the figures: 1. a supporting seat; 2. a fixing box; 3. mounting a plate; 4. a set square; 5. a reinforcing plate; 6. a circular hole; 7. an arc-shaped plate; 8. pulling the block; 9. a knob; 10. a square groove; 11. marking a ring; 12. a curved groove; 13. a ball block; 14. a partition plate; 15. a rotating shaft; 16. a worm; 17. a worm gear; 18. a sleeve; 19. a cylindrical rod; 20. an annular groove; 21. a round table block; 22. a fixing ring; 23. a first spring; 24. a groove; 25. a rotating rod; 26. a base plate; 27. clamping a plate; 28. a fixing strip; 29. positioning a rod; 30. a second spring; 31. a strip-shaped groove; 32. a movable ring; 33. and (5) a limiting strip.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
In the specific implementation process, as shown in fig. 1 to 10, the installation and support device for the civil water supply and drainage PVC pipe comprises: supporting seat 1, fixed box 2, arc 7 and cylinder pole 19, 1 bottom equidistance fixedly connected with fixed box 2 of supporting seat, 2 inside equal fixedly connected with baffle 14 of fixed box, baffle 14 is inside all to be connected with sleeve 18 through the bearing rotation, 18 inside equal sliding connection has cylinder pole 19 of sleeve, 19 bottom outsides of cylinder pole all cup joint and are fixed with round platform piece 21, 19 bottom fixedly connected with backing plate 26 of cylinder pole, square groove 10 has all been seted up to fixed box 2 bottom both sides, the inside arc 7 that all is equipped with of square groove 10, 7 both sides of arc are equallyd divide and are do not rotated with the bottom both sides inner wall that corresponds square groove 10 through the pin and be connected, 7 tops of arc all set up fluted 24, 24 inside all rotates and is connected with bull stick 25 of recess, 25 outside equal fixedly connected with ball piece 13, 19 outside equal fixedly connected with solid fixed ring 22 of cylinder pole, 19 outside equal sliding connection has movable ring 32 of cylinder pole, the cylinder pole 19 outside is located all to overlap between movable ring 32 and the solid fixed ring 22 that corresponds has first spring 23, first spring 23 both ends are equallyd divide and do not correspond solid fixed ring 22 and movable ring 32 fixed connection.
When installing the PVC pipe, can carry out supplementary support to the PVC pipe through installing strutting arrangement earlier, when the installation, fix supporting seat 1 in suitable position, put into the PVC pipe and correspond between the arc 7 of fixed box 2 on supporting seat 1, can let cylinder pole 19 go up the slide in sleeve 18 through the extrusion to backing plate 26, drive the smooth ball piece 13 of going up on the arc 7 of pair of slide on the round platform piece 21 in the time of going up to push, let arc 7 rotation each other, thereby the cover is in the both sides of PCV pipe, when cylinder pole 19 goes up, also can drive solid fixed ring 22 and go up the first spring 23 extrusion movable ring 32 of promotion, and movable ring 32 contacts with baffle 14, so gu fixed ring 22 when the rebound, only can extrude first spring 23 and contract.
Referring to fig. 4, 5 and 6, worm gears 17 are fixedly sleeved on the outer sides of the sleeves 18, rotating shafts 15 are rotatably connected inside the fixing box 2, worms 16 are fixedly sleeved on the outer sides of the rotating shafts 15, the worms 16 are respectively engaged with the corresponding worm gears 17, and knobs 9 are fixedly connected to one ends of the rotating shafts 15.
Can drive pivot 15 through rotating knob 9 and rotate, let worm 16 drive worm wheel 17 rotate, thereby it rotates to drive sleeve 18, when sleeve 18 rotates, it rotates to drive cylinder 19 synchronous, let the round platform piece 21 in the cylinder 19 outside rotate, round platform piece 21 is wide transversal ellipse circular under the upper narrow, so can drive two arc 7 mutual rotations of stationary box 2 inside through the ball piece 13 of extrusion both sides at the pivoted in-process, can put into the PCV pipe after, let arc 7 and PCV pipe more laminate, it is more stable firm when supporting.
Referring to fig. 8 and 10, the inside equidistance equiangular fixedly connected with of sleeve 18 has spacing 33, and the equidistance equiangular has seted up bar groove 31 outside the cylinder pole 19, and spacing 33 all with the bar groove 31 sliding connection that corresponds, the bar groove 31 of cylinder pole 19 and the spacing 33 of sleeve 18 mutually support, let cylinder pole 19 in the inside gliding from top to bottom of sleeve 18, also can drive the synchronous rotation of cylinder pole 19 under the rotation of sleeve 18.
Referring to fig. 5 and 6, circular groove 20 has been seted up to the impartial distance in the 19 top outside of cylinder pole, 2 one sides of fixing box all slide to peg graft there is cardboard 27, cardboard 27 one side all cooperatees with the circular groove 20 that corresponds, the equal fixedly connected with fixed strip 28 in cardboard 27 top, the inside impartial distance of fixed strip 28 slides to peg graft has locating lever 29, locating lever 29 one end all with the one side inner wall fixed connection who corresponds fixing box 2, locating lever 29 outside all overlaps has second spring 30, second spring 30 both ends are equallyd divide do not with the fixed strip 28 and the one side inner wall fixed connection of fixing box 2 that correspond, the equal fixedly connected with pull block 8 of one end that cylinder pole 19 was kept away from to cardboard 27.
When the cylindrical rod 19 slides upwards, the clamping plate 27 is extruded to slide through the annular groove 20 on the outer side of the top end, the second spring 30 on the outer side of the positioning rod 29 is extruded through the fixing strip 28 when the clamping plate 27 slides, and when the cylindrical rod 19 stops sliding through the second spring 30, the fixing strip 28 is pushed to enable the clamping plate 27 to be clamped into the corresponding annular groove 20, so that the cylindrical rod 19 only can slide upwards and cannot slide downwards, the cylindrical rod 19 is positioned, and the arc-shaped plate 7 which rotates to a certain angle is positioned.
Referring to fig. 3 and 5, curved grooves 12 are formed in the outer sides of the pull block 8 and the knob 9, and the curved grooves 12 facilitate pulling of the pull block 8 or rotation of the knob 9.
Referring to fig. 1 and 2, 1 inside fixedly connected with reinforcing plate 5 of supporting seat, 1 inside equal equidistance fixedly connected with set-square 4 in both sides of supporting seat, 1 top both sides of supporting seat all fixedly connected with mounting panel 3, round hole 6 has been seted up at 3 top equal equidistance of mounting panel, reinforcing plate 5 can improve the stability of supporting seat 1, set-square 4 can let the both sides non-deformable of supporting seat 1, mounting panel 3 conveniently installs supporting seat 1, round hole 6 conveniently fixes mounting panel 3 through the bolt.
Referring to fig. 3, the outer wall of the fixing box 2 is provided with an identification ring 11 at the outer side of the corresponding knob 9, so that the rotation angle of the knob 9 can be conveniently identified by the indication of the identification ring 11.
The working principle of the mounting and supporting device for the civil water supply and drainage PVC pipe provided by the invention is as follows: when the PVC pipe is installed, the PVC pipe can be supported in an auxiliary manner by firstly installing the supporting device, when the PVC pipe is installed, the supporting seat 1 is fixed at a proper position, the PVC pipe is placed between the arc plates 7 corresponding to the fixing box 2 on the supporting seat 1, the cylindrical rod 19 can be made to slide up in the sleeve 18 by squeezing the backing plate 26, the PVC pipe drives the circular table blocks 21 to slide up to squeeze the ball blocks 13 on the arc plates 7, the arc plates 7 rotate mutually, so as to be sleeved on two sides of the PCV pipe, when the cylindrical rod 19 slides up, the backing plate 26 can drive the fixing ring 22 to slide and push the first spring 23 to squeeze the movable ring 32, the movable ring 32 is in contact with the partition plate 14, so that when the fixing ring 22 moves up, only the first spring 23 is squeezed to shrink, when the cylindrical rod 19 slides up, the clamping plate 27 is squeezed through the annular groove 20 on the outer side of the top end, the clamping plate 27 is squeezed, when the clamping plate 27 slides, the fixing strip 28 squeezes the second spring 30 outside the positioning rod 29, when the clamping plate 27 stops sliding in the cylindrical rod 19, the sliding, the lower sliding rod 19 can only drive the rotating shaft 19 to rotate and can drive the rotating cylinder rod 7 to rotate by rotating shaft 19, so as to rotate, the rotating shaft 18, so as to drive the rotating of the rotating cylinder plate 7, the rotating shaft 7, the rotating handle 7, so as to rotate synchronously, the rotating knob, the rotating shaft 18, the rotating knob, so as to rotate, the rotating knob 7, the rotating shaft 18, the rotating knob can rotate, so as to rotate, the rotating shaft 17, the rotating knob, the rotating shaft 7, the rotating knob can rotate on the rotating shaft 21, after the PCV pipe is placed in, the arc-shaped plate 7 is more attached to the PCV pipe, and is more stable and firm in supporting.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields will be covered by the scope of the present invention.
Claims (10)
1. The utility model provides an installation strutting arrangement of civilian plumbing PVC pipe which characterized in that includes: the device comprises a supporting seat (1), a fixed box (2), an arc-shaped plate (7) and cylindrical rods (19), wherein the fixed box (2) is fixedly connected with the bottom of the supporting seat (1) at equal intervals, a partition plate (14) is fixedly connected inside the fixed box (2), a sleeve (18) is rotatably connected inside the partition plate (14) through a bearing, the cylindrical rods (19) are slidably connected inside the sleeve (18), round blocks (21) are fixedly sleeved outside the bottom of the cylindrical rods (19), backing plates (26) are fixedly connected to the bottom of the cylindrical rods (19), square grooves (10) are formed in both sides of the bottom of the fixed box (2), the arc-shaped plate (7) is arranged inside the square grooves (10), the cylindrical blocks (13) are fixedly connected to both sides of the arc-shaped plate (7) through pins, the inner walls of both sides of the bottom of the corresponding square grooves (10) are rotatably connected to the top of the arc-shaped plate (7), rotating rods (25) are rotatably connected inside the grooves (24), cylindrical rods (13) are fixedly connected to the outer sides of the rotating rods (25), the outer sides of the cylindrical rods (19) are fixedly connected to the outer sides of the cylindrical rods (19), the cylindrical rods (22), the rotating rings (32) are rotatably connected to the corresponding fixed ring (32), and two ends of the first spring (23) are respectively and fixedly connected with the corresponding fixed ring (22) and the movable ring (32).
2. The mounting and supporting device for the civil water supply and drainage PVC pipe is characterized in that worm wheels (17) are fixedly sleeved on the outer sides of the sleeves (18), rotating shafts (15) are rotatably connected inside the fixing boxes (2), worms (16) are fixedly sleeved on the outer sides of the rotating shafts (15), the worms (16) are respectively meshed with the corresponding worm wheels (17), and knobs (9) are fixedly connected to one ends of the rotating shafts (15).
3. The mounting and supporting device for the civil water supply and drainage PVC pipe as claimed in claim 1, wherein the sleeve (18) is fixedly connected with limit strips (33) at equal intervals and equal angles inside, the cylindrical rod (19) is provided with strip-shaped grooves (31) at equal intervals and equal angles outside, and the limit strips (33) are slidably connected with the corresponding strip-shaped grooves (31).
4. The mounting and supporting device for the civil water supply and drainage PVC pipes according to claim 2, characterized in that the outer sides of the top ends of the cylindrical rods (19) are provided with the annular grooves (20) at equal intervals, one side of the fixing boxes (2) are slidably inserted with the clamping plates (27), one side of each clamping plate (27) is matched with the corresponding annular groove (20), the tops of the clamping plates (27) are fixedly connected with the fixing strips (28), the insides of the fixing strips (28) are slidably inserted with the positioning rods (29) at equal intervals, one ends of the positioning rods (29) are fixedly connected with the inner walls of the corresponding fixing boxes (2), the outer sides of the positioning rods (29) are sleeved with the second springs (30), the two ends of each second spring (30) are fixedly connected with the corresponding fixing strip (28) and the inner wall of the corresponding fixing box (2), and the ends of the clamping plates (27) far away from the cylindrical rods (19) are fixedly connected with the pull blocks (8).
5. The mounting and supporting device for the civil water supply and drainage PVC pipe is characterized in that the pulling block (8) and the knob (9) are provided with a curved groove (12) on the outer side.
6. The PVC pipe installation and support device for civil water supply and drainage as described in claim 1, wherein the supporting base (1) is fixedly connected with a reinforcing plate (5) inside.
7. The PVC pipe installation and support device for civil water supply and drainage as claimed in claim 1, characterized in that the supporting seat (1) is fixedly connected with triangular plates (4) at equal intervals inside both sides.
8. The PVC pipe installation and support device for civil water supply and drainage as claimed in claim 1, characterized in that the installation plate (3) is fixedly connected to both sides of the top of the support base (1).
9. The PVC pipe mounting and supporting device for civil water supply and drainage as claimed in claim 8, characterized in that the top of the mounting plate (3) is provided with round holes (6) at equal intervals.
10. The PVC pipe mounting and supporting device for civil water supply and drainage as claimed in claim 5, characterized in that the outer wall of the fixing box (2) is provided with an identification ring (11) at the outer side of the corresponding knob (9).
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CN202211191343.1A CN115264181B (en) | 2022-09-28 | 2022-09-28 | Mounting and supporting device for civil water supply and drainage PVC pipe |
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CN202211191343.1A CN115264181B (en) | 2022-09-28 | 2022-09-28 | Mounting and supporting device for civil water supply and drainage PVC pipe |
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CN115264181A true CN115264181A (en) | 2022-11-01 |
CN115264181B CN115264181B (en) | 2022-12-09 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117549380A (en) * | 2024-01-12 | 2024-02-13 | 山西中德管业有限公司 | Bearing unloading frame of PVC pipe production line |
CN117565379A (en) * | 2024-01-17 | 2024-02-20 | 山西中德管业有限公司 | Multi-aperture reaming device for pipe machining |
CN117927739A (en) * | 2024-03-22 | 2024-04-26 | 山西中德管业有限公司 | PVC pipeline fixing device who facilitates use |
CN118066380A (en) * | 2024-04-24 | 2024-05-24 | 石狮市翼轩格贸易有限公司 | Fixing device for building heating and ventilation construction |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117549380A (en) * | 2024-01-12 | 2024-02-13 | 山西中德管业有限公司 | Bearing unloading frame of PVC pipe production line |
CN117549380B (en) * | 2024-01-12 | 2024-03-12 | 山西中德管业有限公司 | Bearing unloading frame of PVC pipe production line |
CN117565379A (en) * | 2024-01-17 | 2024-02-20 | 山西中德管业有限公司 | Multi-aperture reaming device for pipe machining |
CN117565379B (en) * | 2024-01-17 | 2024-03-22 | 山西中德管业有限公司 | Multi-aperture reaming device for pipe machining |
CN117927739A (en) * | 2024-03-22 | 2024-04-26 | 山西中德管业有限公司 | PVC pipeline fixing device who facilitates use |
CN117927739B (en) * | 2024-03-22 | 2024-05-31 | 山西中德管业有限公司 | PVC pipeline fixing device who facilitates use |
CN118066380A (en) * | 2024-04-24 | 2024-05-24 | 石狮市翼轩格贸易有限公司 | Fixing device for building heating and ventilation construction |
CN118066380B (en) * | 2024-04-24 | 2024-07-19 | 石狮市翼轩格贸易有限公司 | Fixing device for building heating and ventilation construction |
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