CN208981480U - Big stroke magnetic suspension floor drain - Google Patents
Big stroke magnetic suspension floor drain Download PDFInfo
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- CN208981480U CN208981480U CN201821578073.9U CN201821578073U CN208981480U CN 208981480 U CN208981480 U CN 208981480U CN 201821578073 U CN201821578073 U CN 201821578073U CN 208981480 U CN208981480 U CN 208981480U
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Abstract
The utility model belongs to bathroom technical field, propose big stroke magnetic suspension floor drain, including cylinder, the disassembly of cylinder one end is provided with annular fastener, annular fastener side is provided with magnetic suspension mechanism, magnetic suspension mechanism includes shell, the motion bar moved along tubular axis is provided in shell, motion bar is provided with the first magnetic patch far from one end of cylinder, the other end is provided with the sealing cover slided between annular fastener and shell, second magnetic patch attracting with the first magnetic patch magnetic pole is provided in shell, motion bar passes through the second magnetic patch, shell is provided with the third magnetic patch to repel each other with the first magnetic patch magnetic pole far from one end of cylinder, first magnetic patch slides between the second magnetic patch and third magnetic patch, solves the short technical problem of the active strokes of existing big stroke magnetic suspension floor drain motion bar.
Description
Technical field
The utility model belongs to bathroom technical field, is related to big stroke magnetic suspension floor drain.
Background technique
Floor drain is the important interface for connecting sewerage system and flooring, it is installed in kitchen, toilet and sun
The ground in each place such as platform.A magnetic patch, and magnetic is respectively set in motion bar upper and lower ends in existing big stroke magnetic suspension floor drain
On the contrary, a magnetic cake is arranged in motion bar periphery, the magnetic pole and the magnetic patch above motion bar of magnetic cake repel each other for pole, with motion bar lower section
Magnetic patch it is attracting, the floor drain of this structure haves the shortcomings that active strokes are short, leads to the technical problem that displacement is small.
Utility model content
The utility model proposes big stroke magnetic suspension floor drains, solve above-mentioned technical problem.
The technical solution of the utility model is achieved in that
Big stroke magnetic suspension floor drain, comprising:
Cylinder, cylinder one end disassembly are provided with annular fastener, and the annular fastener side is provided with magnetic suspension mechanism,
The magnetic suspension mechanism includes shell, and the motion bar moved along the tubular axis, the motion bar are provided in the shell
One end far from the cylinder is provided with the first magnetic patch, and the other end is provided with to be slided between the annular fastener and the shell
Sealing cover,
It is provided with second magnetic patch attracting with the first magnetic patch magnetic pole in the shell, the motion bar passes through described the
Two magnetic patch,
The shell is provided with the third magnetic patch to repel each other with the first magnetic patch magnetic pole far from one end of the cylinder, described
First magnetic patch slides between second magnetic patch and the third magnetic patch.
As further technical solution, the cylinder inboard wall is provided with screw thread, the ring close to one end of the shell
Screw thread corresponding with the cylinder inboard wall screw thread is provided on shape fastener lateral wall.
As further technical solution, the annular fastener is fluted towards the setting of one end of the shell, described recessed
Disassembly is provided with the T-shaped sealing rubber ring in cross section in slot.
As further technical solution, the sealing rubber ring includes first annular circle and the stretching being caught in the groove
The second annular ring outside the groove, the second annular ring thickness are less than the opening width of the groove, and second ring
The height of shape circle is greater than the slot opening height.
As further technical solution, the sealing cover includes the tapered protrusion of middle section, the tapered protrusion
Edge level is provided with ring baffle, and the sealing cover is contacted with the sealing rubber ring and formed close by the ring baffle
Envelope.
As further technical solution, several water seepage holes are provided at the third magnetic patch on the shell.
As further technical solution, the shell is cylindrical, and the shell both ends are in truncated cone-shaped.
As further technical solution, the cylinder is connect by two connecting rods with the shell, described connecting rod one end
It penetrates in the shell, second magnetic patch is set on two connecting rods.
Compared with prior art, it utility model works principle and has the beneficial effect that
1, in the utility model, big stroke magnetic suspension floor drain includes the cylinder of top half and the magnetic suspension machine of lower half portion
Structure, cylinder are overlapped with magnetic suspension mechanism central axes, and magnetic suspension mechanism includes the shell of external package, shell close to cylinder one
End is provided with aperture, and motion bar passes through aperture and enters in cylinder, and the upper end of motion bar is connected with sealing cover, and lower end is fixed with the first magnetic
The diameter of block, sealing cover is slightly less than the internal diameter of cylinder, can pass through cylinder, after sealing cover is penetrated in shell by cylinder,
Annular fastener is screwed in into cylinder inboard wall, the internal diameter of annular fastener is less than the diameter of sealing cover, therefore sealing cover is hindered by annular fastener
It blocks, prevents from popping up from cylinder upper end.The second magnetic patch is additionally provided in shell, the second magnetic patch is arranged in cylinder middle and upper part, and sets
It sets in the periphery of motion bar, motion bar passes through the second magnetic patch and slides up and down.Second magnetic patch and the first magnetic patch are attracting, and motion bar
In the intracorporal stroke slided up and down of shell always all in the second magnetic patch below, pass through the magnetic phase of the first magnetic patch and the second magnetic patch
Suction effect makes sealing cover in the case where not top water impact because magnetic force is contacted with annular fastener upwards.
2, in the utility model, the bottom of shell is provided with third magnetic patch, third magnetic patch is in the movement road of motion bar
On diameter extended line, third magnetic patch repels each other with the first magnetic patch, can push up upwards sealing cover with the second magnetic patch collective effect.When there is water
Stream is flowed down from cylinder above, and sealing cover is moved down by the impact force of water, and sealing cover is detached from annular fastener, Shi Shuicong cylinder and
Gap outflow between magnetic suspension mechanism, after water flow is complete, sealing cover passes through the first magnetic patch and second that motion bar bottom is arranged in
Magnetic patch, third magnetic patch magneticaction and move up reset, sealing cover is contacted with annular fastener, realizes the close of cylinder lower part
Envelope, effectively reduces foul smell and pest.The first magnet for being set to motion bar both ends in the prior art and third magnet are changed to point
The bottom of motion bar free end and shell is not set, then the feelings for cooperating the shape of shell and not lengthening in guarantee whole height
It elongates the active strokes of motion bar effectively, opened gap between cylinder and shell can be increased with this, make water flow faster
Speed flows down.
3, in the utility model, cylinder lower end inner wall is provided with screw thread, and the outer wall of annular fastener is provided with and cylinder inboard wall
The screw thread that screw thread mutually blocks can be such that annular fastener is tightly fastened with cylinder.
4, in the utility model, the thickness of the second annular ring is less than the opening of groove, and first annular circle is highly and in groove
The equivalent width in portion, the total height of sealing rubber ring is greater than groove, therefore its second annular ring end is stretched out outside groove, and groove can
The side of first annular circle is blocked, when replacing sealing rubber ring, the part that the second annular ring stretches out outside groove is caught hold of, is pulled outwardly, because
Material for sealing rubber ring is silica gel or rubber, softer, can pull out sealing rubber ring, new close placing into groove
When sealing rubber ring, it can directly be blocked by filling in the side of first annular circle in groove by groove, then be pushed into the other side
It contacts it with cylinder inboard wall, can be achieved with the replacement of sealing rubber ring in this way；Such sealing rubber ring and groove construction can either
Make the close contact of seal cap sealing cushion rubber, realize that sealing effect, sealing rubber ring can easily realize the disassembly of sealing rubber ring,
It is directly replaced in the case where not screwing out annular fastener, is convenient for changing sealing rubber ring.
5, in the utility model, sealing cover shape is taper, and taper outer is provided with ring baffle, ring baffle and axis
Vertically, and it is parallel with the bottom plane of annular fastener, it in this way being capable of gluing, sealing cushion rubber realization sealing effect.Cone seal lid
The water that the top that can effectively rive flows down is designed, the moisture of part is scattered on barrel wall, water flow is reduced and sealing cover is rushed
Power is hit, the service life of sealing cover is extended.
6, in the utility model, the one end of shell far from cylinder is arranged in third magnetic patch, is provided with around third magnetic patch
Several water seepage holes enter blow-by at shell in telescopic rod, therefore there is the possibility of water inlet because shell is not fully sealed
Property, magnet can be made to corrode when intaking in shell, therefore the intracorporal draining of shell should be carried out, open several apertures in shell least significant end
Facilitate draining.
7, in the utility model, housing body is cylinder, and shell both ends are truncated cone-shaped, and the diameter of cross section gradually becomes
It is small, if top end surface Vertical movements bar, it is easy to enter the intracorporal risk of shell in end face water even increase water, if the section of bottom
Vertical movements bar then enters the intracorporal water of shell and is not easy to flow out from water seepage hole, and designing in top and bottom truncated cone-shaped can
Effectively solve the above problems.
8, in the utility model, there are two connecting rods, the other end of two connecting rods to protrude into across housing wall for connection below cylinder
In shell, and rectangular crotch is arranged in interlinking lever end, has the gap between two interlinking lever ends and slides up and down for motion bar, and second
Magnetic patch in a ring, can cover on the crotch of two interlinking lever ends, and be fixed up using glue and interlinking lever end.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is another example structure schematic diagram of the utility model；
Fig. 3 is the utility model further groove portion structure schematic diagram；
Fig. 4 is sealing rubber ring structural schematic diagram in the utility model；
Fig. 5 is link mechanism schematic diagram in the utility model.
In figure: 1- cylinder, 11- annular groove, 2- strainer, 3- magnetic suspension mechanism, 31- shell, the second magnetic patch of 311-, 312-
Third magnetic patch, 313- water seepage hole, 32- motion bar, the first magnetic patch of 321-, 33- sealing cover, 331- tapered protrusion, 332- annular gear
Plate, 4- annular fastener, 41- groove, 5- sealing rubber ring, the first annular circle of 51-, the second annular ring of 52-, 6- connecting rod.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As Figure 1-Figure 5, the utility model proposes big stroke magnetic suspension floor drains, comprising:
Cylinder 1, the disassembly of 1 one end of cylinder are provided with annular fastener 4, and annular 4 side of fastener is provided with magnetic suspension mechanism 3, magnetic
Suspension mechanism 3 includes shell 31, is provided with the motion bar 32 moved along 1 axis of cylinder in shell 31, motion bar 32 is far from cylinder 1
One end be provided with the first magnetic patch 321, the other end is provided with the sealing cover 33 slided between annular fastener 4 and shell 31, shell
Second magnetic patch 311 attracting with 321 magnetic pole of the first magnetic patch is provided in body 31, motion bar 32 passes through the second magnetic patch 311, shell 31
One end far from cylinder 1 is provided with the third magnetic patch 312 to repel each other with 321 magnetic pole of the first magnetic patch, and the first magnetic patch 321 is in the second magnetic patch
It is slided between 311 and third magnetic patch 312.
In the present embodiment, big stroke magnetic suspension floor drain includes the cylinder 1 of top half and the magnetic suspension mechanism of lower half portion
3, cylinder 1 is overlapped with 3 central axes of magnetic suspension mechanism, and magnetic suspension mechanism 3 includes the shell 31 of external package, and shell 31 is close to cylinder
One end of body 1 is provided with aperture, and motion bar 32 passes through aperture and enters in cylinder 1, and the upper end of motion bar 32 is connected with sealing cover 33, under
End is fixed with the first magnetic patch 321, and the diameter of sealing cover 33 is slightly less than the internal diameter of cylinder 1, cylinder 1 can be passed through, by sealing cover 33
After penetrating in shell 31 by cylinder 1, annular fastener 4 is screwed in into 1 inner wall of cylinder, the internal diameter of annular fastener 4 is less than sealing cover
33 diameter, therefore sealing cover 33 is stopped by annular fastener 4, prevents from popping up from 1 upper end of cylinder.Is additionally provided in shell 31
Two magnetic patch 311, the second magnetic patch 311 are arranged in 1 middle and upper part of cylinder, and the periphery of motion bar 32 are arranged in, and motion bar 32 passes through the
Two magnetic patch 311 simultaneously slide up and down.Second magnetic patch 311 and the first magnetic patch 321 are attracting, and upper downslide of the motion bar 32 in shell 31
Dynamic stroke is always all in the lower section of the second magnetic patch 311, by the magnetic interattraction of the first magnetic patch 321 and the second magnetic patch 311,
Make sealing cover 33 in the case where not by top water impact because magnetic force is contacted with annular fastener 4 upwards.
In the present embodiment, the bottom of shell 31 is provided with third magnetic patch 312, third magnetic patch 312 is in motion bar 32
On motion path extended line, third magnetic patch 312 repels each other with the first magnetic patch 321, can will seal with 311 collective effect of the second magnetic patch
Lid 33 pushes up upwards.When there is water flow to flow down above cylinder 1, sealing cover 33 is moved down by the impact force of water, and sealing cover 33 is de-
From annular fastener 4, at this moment gap outflow of the water between cylinder 1 and magnetic suspension mechanism 3, after water flow is complete, sealing cover 33 is by setting
Set the first magnetic patch 321 of 32 bottom of motion bar and the second magnetic patch 311, third magnetic patch 312 magneticaction and move up multiple
Position, sealing cover 33 contact with annular fastener 4, realize the sealing of 1 lower part of cylinder, effectively reduce foul smell and pest.
In the present embodiment, the first magnetic patch 321 for being set to 32 both ends of motion bar in the prior art and third magnetic patch 312 are changed
To be separately positioned on the bottom of motion bar 32 free end and shell 31, then cooperate the shape of shell 31, guarantees whole height not
It elongates the active strokes of motion bar 32 effectively, can be increased between being open between cylinder 1 and shell 31 with this
Gap flows down water flow faster, middle compared to the prior art that the first magnetic patch 321 and third magnetic patch 312 are arranged in activity
The structure at the both ends of bar 32, the utility model stroke are longer.
Further, 1 inner wall of cylinder is provided with strainer 2, the setting of 1 inner wall one end of cylinder far from one end disassembly of annular fastener 4
There is the annular groove 11 for placing strainer 2.
In the present embodiment, strainer 2 property of can choose also is set far from the end of shell 31 in cylinder 1, in cylinder 1
Wall opens up annular groove 11 for placing strainer 2, and strainer 2 can be conveniently placed in cylinder 1, the taking-up that also can be convenient, filter
Net 2 is cylindrical, and strainer 2 can be placed in annular groove 11 just, and strainer 2 can effectively reduce hair, solid impurity with dampening
Stream moves down, and is easy blocking floor drain over time.
Further, 1 inner wall one end of cylinder is provided with screw thread, is provided on annular 4 lateral wall of fastener and 1 inner thread of cylinder
Corresponding screw thread.
In the present embodiment, annular groove 11 is provided on the inner wall of cylinder upper end, 1 lower end inner wall of cylinder is provided with screw thread,
The outer wall of annular fastener 4 is provided with the screw thread mutually blocked with 1 inner thread of cylinder, and annular fastener 4 and cylinder 1 can be made close
It is fixed.
Further, annular fastener 4 is arranged fluted 41 towards one end of shell 31, and disassembly is provided with cross section in groove 41
T-shaped sealing rubber ring 5.
Further, sealing rubber ring 5 includes the second ring outside the first annular circle 51 being caught in groove 41 and stretching groove 41
Shape circle 52,52 thickness of the second annular ring is less than the opening width of groove 41, and the height of the second annular ring 52 is greater than groove 41 and opens
Open height.
In the present embodiment, groove 41 is provided on the annular bottom end face of annular fastener 4, sealing rubber ring 5 is annular, including diameter
The second annular ring 52 of 51 sides of first annular circle is arranged in biggish first annular circle 51 and concentric, the second annular ring 52
Diameter is less than first annular circle 51, and section is T-shaped；
The thickness of second annular ring 52 is less than the opening of groove 41,51 height of first annular circle and the width inside groove 41
Unanimously, the total height of sealing rubber ring 5 is greater than groove 41, therefore its 52 end of the second annular ring is stretched out outside groove 41,41 energy of groove
The part that the second annular ring 52 stretches out outside groove 41 when replacing sealing rubber ring 5, is caught hold of in the side for enough blocking first annular circle 51,
It is pulled outwardly, it is softer because the material of sealing rubber ring 5 is silica gel or rubber, sealing rubber ring 5 can be pulled out, to groove
It, can be directly by the way that the side of first annular circle 51 be filled in groove 41 by groove 41 when placing new sealing rubber ring 5 in 41
It blocks, then contacts it with 1 inner wall of cylinder other side push-in, can be achieved with the replacement of sealing rubber ring 5 in this way；It is such close
Sealing rubber ring 5 and groove 41 construct the close contact that can either make 33 sealing rubber ring 5 of sealing cover, realize sealing effect, sealing rubber ring 5
The disassembly that can easily realize sealing rubber ring 5, is directly replaced in the case where not screwing out annular fastener 4, is convenient for changing sealing
Cushion rubber 5.
Further, sealing cover 33 includes the tapered protrusion 331 of middle section, and the edge level of tapered protrusion 331 is provided with
Ring baffle 332, sealing cover 33 contact with sealing rubber ring 5 by ring baffle 332 and form sealing.
It is tapered protrusion 331 in the middle part of sealing cover 33,331 outer of tapered protrusion is provided with ring baffle in the present embodiment
332, ring baffle 332 is perpendicular to the axis, and parallel with the bottom plane of annular fastener 4, in this way being capable of 5 reality of gluing, sealing cushion rubber
Existing sealing effect.The design of tapered protrusion 331 can effectively rive the water that flows down of top, and the moisture of part is scattered to cylinder 1
On wall, water flow is reduced to the impact force of sealing cover 33, extends the service life of sealing cover 33.
Further, several water seepage holes 313 are provided at third magnetic patch 312 on shell 31.
In the present embodiment, the one end of shell 31 far from cylinder 1 is arranged in third magnetic patch 312, sets around third magnetic patch 312
Several water seepage holes 313 are equipped with, because shell 31 is not fully sealed, enter blow-by at shell 31 in telescopic rod, therefore exist
A possibility that water inlet, therefore should carry out the draining in shell 31 when water inlet can be such that magnet corrodes in shell 31, shell 31 most
Low side opens several apertures and facilitates draining.
Further, shell 31 is cylindrical, and 31 both ends of shell are in truncated cone-shaped.
In the present embodiment, 31 main body of shell is cylinder, and 31 both ends of shell are truncated cone-shaped, and the diameter of cross section gradually becomes
It is small, if top end surface Vertical movements bar 32, it is easy even to increase the risk that water enters in shell 31 in end face water, if bottom
Section Vertical movements bar 32, then the water entered in shell 31 is not easy to flow out from water seepage hole 313, in top and bottom rotary table
Shape design can effectively solve the problem that the above problem.Shell 31 is designed to larger, the lesser shape of diameter of height, increases motion bar 32
Stroke, and increase shell 31 and cylinder 1 gap, fast and easy drain.
Further, cylinder 1 is connect by two connecting rods 6 with shell 31, and 6 one end of connecting rod penetrates in shell 31, the second magnetic patch
311 are set on two connecting rods 6.
In the present embodiment, there are two connecting rods 6, the other end of two connecting rods 6 to pass through 31 wall of shell and protrude into for connection below cylinder 1
In shell 31, and rectangular crotch is arranged in 6 end of connecting rod, has the gap between two 6 ends of connecting rod for gliding on motion bar 32
Dynamic, the second magnetic patch 311 in a ring, can cover on the crotch of two 6 ends of connecting rod, and be fixed using glue and 6 end of connecting rod
Come.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. big stroke magnetic suspension floor drain, which is characterized in that including cylinder (1), cylinder (1) one end disassembly is provided with annular snap
Part (4), described annular fastener (4) side are provided with magnetic suspension mechanism (3), and the magnetic suspension mechanism (3) includes shell (31), institute
It states and is provided with the motion bar (32) mobile along the cylinder (1) axis in shell (31), the motion bar (32) is far from the cylinder
One end of body (1) is provided with the first magnetic patch (321), the other end be provided with the annular fastener (4) and the shell (31) it
Between the sealing cover (33) that slides,
Second magnetic patch (311) attracting with the first magnetic patch (321) magnetic pole, the motion bar are provided in the shell (31)
(32) second magnetic patch (311) is passed through,
The shell (31) is provided with the third repelled each other with the first magnetic patch (321) magnetic pole far from the one end of the cylinder (1)
Magnetic patch (312), first magnetic patch (321) are slided between second magnetic patch (311) and the third magnetic patch (312).
2. big stroke magnetic suspension floor drain according to claim 1, which is characterized in that cylinder (1) inner wall is close to described
One end of shell (31) is provided with screw thread, is provided with and the cylinder (1) inner thread phase on described annular fastener (4) lateral wall
Corresponding screw thread.
3. big stroke magnetic suspension floor drain according to claim 1, which is characterized in that the annular fastener (4) is described in
Fluted (41) are arranged in one end of shell (31), and disassembly is provided with the T-shaped sealing rubber ring in cross section in the groove (41)
(5)。
4. big stroke magnetic suspension floor drain according to claim 3, which is characterized in that the sealing rubber ring (5) includes being caught in
The second annular ring (52) of first annular circle (51) and the stretching groove (41) outside in the groove (41), second ring
Shape circle (52) thickness is less than the opening width of the groove (41), and the height of second annular ring (52) is greater than the groove
(41) open height.
5. big stroke magnetic suspension floor drain according to claim 4, which is characterized in that the sealing cover (33) includes middle part
The tapered protrusion (331) divided, the edge level of the tapered protrusion (331) are provided with ring baffle (332), the sealing cover
(33) it is contacted with the sealing rubber ring (5) by the ring baffle (332) and forms sealing.
6. big stroke magnetic suspension floor drain according to claim 1, which is characterized in that close to described the on the shell (31)
Several water seepage holes (313) are provided at three magnetic patch (312).
7. big stroke magnetic suspension floor drain according to claim 1, which is characterized in that the shell (31) is cylindrical, institute
Shell (31) both ends are stated in truncated cone-shaped.
8. big stroke magnetic suspension floor drain according to claim 1, which is characterized in that the cylinder (1) passes through two connecting rods
(6) it is connect with the shell (31), described connecting rod (6) one end penetrates in the shell (31), and second magnetic patch (311) is arranged
On two connecting rods (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821578073.9U CN208981480U (en) | 2018-09-26 | 2018-09-26 | Big stroke magnetic suspension floor drain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821578073.9U CN208981480U (en) | 2018-09-26 | 2018-09-26 | Big stroke magnetic suspension floor drain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208981480U true CN208981480U (en) | 2019-06-14 |
Family
ID=66785480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821578073.9U Active CN208981480U (en) | 2018-09-26 | 2018-09-26 | Big stroke magnetic suspension floor drain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208981480U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485619A (en) * | 2020-04-22 | 2020-08-04 | 广东天濠建设工程有限公司 | Municipal garden drainage structures |
| CN114655368A (en) * | 2022-04-26 | 2022-06-24 | 中船澄西扬州船舶有限公司 | Marine floor drain |
-
2018
- 2018-09-26 CN CN201821578073.9U patent/CN208981480U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485619A (en) * | 2020-04-22 | 2020-08-04 | 广东天濠建设工程有限公司 | Municipal garden drainage structures |
| CN114655368A (en) * | 2022-04-26 | 2022-06-24 | 中船澄西扬州船舶有限公司 | Marine floor drain |
| CN114655368B (en) * | 2022-04-26 | 2024-04-09 | 中船澄西扬州船舶有限公司 | Floor drain for ship |
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