CN209538314U - A kind of sealing mechanism, automatic-sealed pipeline and drainage arrangement - Google Patents
A kind of sealing mechanism, automatic-sealed pipeline and drainage arrangement Download PDFInfo
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- CN209538314U CN209538314U CN201920018404.1U CN201920018404U CN209538314U CN 209538314 U CN209538314 U CN 209538314U CN 201920018404 U CN201920018404 U CN 201920018404U CN 209538314 U CN209538314 U CN 209538314U
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Abstract
The utility model relates to water tube apparatus technical field, more particularly, to a kind of sealing mechanism, automatic-sealed pipeline and drainage arrangement, with alleviate between existing outlet device and sewer there is technical issues that cannot achieve it is effective.The sealing mechanism includes blade and two shafts for being symmetrically disposed on blade two sides；Shaft is movably set in pipeline body；Blade and shaft are rotatablely connected；Blade can be rotated in a first direction around the shaft to close the outlet of pipeline body, and can be rotated in a second direction, around the shaft under water impact effect to open outlet；First direction is opposite with second direction.Sealing mechanism provided by the utility model can be automatically closed the outlet of pipeline body, to prevent bacterium, mosquito in sewer etc. from entering the room, while the outlet of pipeline body can also be opened under water impact effect, structure is simple, without operation.
Description
Technical field
The utility model relates to water tube apparatus technical field, more particularly, to a kind of sealing mechanism, automatic-sealed pipeline and
Drainage arrangement.
Background technique
Sewer pipe is a kind of urban public utilities, inseparable with daily life, and the sanitary sewage in city is equal
It can be emitted into sewer by outlet device (referring to the drainage arrangement placed in bathtub, basin launching road etc.).It is existing to be lauched
Pipeline and outlet device are connected directly, and bacterium, mosquito in sewer etc. can be attached on outlet device with the wind, in the case where people use
Bacterium, mosquito etc. can be entered the room by outlet device when hydrophone, bring health concerns to people's life.Meanwhile the peculiar smell of sewer
Also it can be entered the room by outlet device, bring big inconvenience for people's lives.Therefore, it is necessary to between sewer and outlet device
It is sealed, to prevent bacterium, mosquito in sewer etc. from entering the room.
Seal for pipe joints mode relatively conventional at present is U-tube water-stop and T-type automatic-sealed.U-tube water-stop utilizes
The principle of linker generates pressure difference and is sealed.T-type automatic-sealed is made come above and below using the gravitational equilibrium principle of permanent magnet
Dynamic opening and closing pipeline, it by gravity and magnetic force accurately calculate and clever structure designs so that gasket is opened freely, it is real
Existing automatic-sealed；When work, when reaching a certain amount of, the gravity of water opens the gasket of bottom, is lauched unblocked.In flowing water
It has no progeny, gasket is since magneticaction is automatically closed, and thoroughly sealing makes gas, pest and spilling water in pipeline can not uplink.But
It is that U-tube water-stop must be by water as medium-tight, and T-type automatic-sealed technology needs permanent magnet as sealing force, with
Upper two kinds of sealing means can not be applied to the sealing between outlet device and sewer.
Therefore, there is technical issues that cannot achieve between existing outlet device and sewer effective.
Utility model content
The purpose of this utility model is to provide a kind of sealing mechanism, automatic-sealed pipeline and drainage arrangements, existing to alleviate
Have between outlet device and sewer there is technical issues that cannot achieve it is effective.
In order to solve the above technical problems, technical solution provided by the utility model is:
The utility model first aspect provides a kind of sealing mechanism, is applied to pipeline, including blade and be symmetrically disposed on
Two shafts of the blade two sides；
The shaft is movably set in pipeline body；
The blade and the shaft are rotatablely connected；The blade can be rotated in a first direction to close around the shaft
The outlet of the pipeline body, and can be rotated in a second direction, under water impact effect around the shaft described out with opening
Mouthful；
The first direction is opposite with the second direction.
Further,
The blade includes the counterweight part and sealing positioned at the shaft two sides；
The weight of the counterweight part is greater than the weight of the sealing, and can be under the effect of gravity around described turn
The axis of axis rotates along the first direction and the sealing is driven to offset with the outlet；
The sealing can be rotated around the axis of the shaft along the second direction under water impact effect.
Further,
The weight of the counterweight part is greater than the weight of the sealing.
Further,
The counterweight part can be to rotate between 0 ° to 75 ° in the angle between horizontal plane.
The utility model second aspect provides a kind of automatic-sealed pipeline, including the sealing mechanism and pipeline sheet
Body；
The sealing mechanism is installed on the outlet of the pipeline body.
Further,
The inner wall of the pipeline body has limiting section, and the limiting section can turn in the blade along the second direction
It offsets when dynamic with the counterweight part and limits the counterweight part with circumferential.
Further,
The inner wall of the pipeline body is equipped with the center position along the direction pipeline body gradually to the pipeline sheet
The inclined top surface of body entrance, the limiting section are formed in the top surface.
Further,
The pipeline body further includes the side connecting with the top surface close to the side at the center, the side,
The inner wall of the top surface and the pipeline body, which encloses, sets and is formed installation cavity, and the installation cavity is for accommodating the shaft and described
Counterweight part.
Further,
It is symmetrically installed on the inner wall of the pipeline body there are two axle bed, the axle bed has opening towards the pipeline sheet
The mounting hole at body center, the mounting hole is for installing the shaft.
The utility model third aspect provides a kind of drainage arrangement, including the automatic-sealed pipeline and outlet device；
One end far from the sealing mechanism of the pipeline body is connected to the outlet pipe of the outlet device.
In conjunction with above technical scheme, the beneficial effect that the utility model reaches is:
The working principle of sealing mechanism provided by the utility model are as follows:
Under normality, blade is connected to pipeline body and exports so that pipeline body is in close state, and prevents in sewer
Bacterium, mosquito etc. enter the room.
When draining to sewer, the impact force of water flow moves the axis of driving blade around the shaft in a second direction to open
Outlet, water flow can drain into sewer through outlet.
After draining stops, the percussion for the water flow that blade is subject to disappears, at this point, the axis of blade around the shaft is along first party
To rotation to close outlet, prevent the bacterium in sewer, mosquito etc. from entering the room.
Sealing mechanism provided by the utility model can be automatically closed the outlet of pipeline body, thin in sewer to prevent
Bacterium, mosquito etc. enter the room, while the outlet of pipeline body can also be opened under water impact effect, and structure is simple, is not necessarily to
Operation.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of sealing mechanism provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of blade in sealing mechanism provided by the embodiment of the utility model；
Fig. 3 is the top view of pipeline body in automatic-sealed pipeline provided by the embodiment of the utility model.
Icon: 100- sealing mechanism；200- pipeline body；300- sealing ring；110- blade；111- counterweight part；112- is close
Envelope portion；120- shaft；The outlet 210-；The top surface 220-；221- limiting section；The side 230-；240- installation cavity；250- axle bed；A-
One direction；B- second direction.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The central idea of the utility model is to provide a kind of sealing mechanism, by blade construction so that blade is rotated with
It realizes the opening and closing of pipeline body outlet, and then achievees the purpose that blade is automatically closed and opens pipeline body.
Embodiment 1 to embodiment 3 is described in detail with reference to the accompanying drawing.
Embodiment 1
A kind of sealing mechanism 100 is present embodiments provided, is applied to pipeline, please with reference to Fig. 1 to Fig. 2.
As shown in Figure 1, sealing mechanism 100 includes blade 110 and two shafts 120 for being symmetrically disposed on 110 two sides of blade；
Shaft 120 is movably set in pipeline body 200；Blade 110 and shaft 120 are rotatablely connected；Blade 110 being capable of 120 edge around the shaft
First direction A rotation, and can be under water impact effect around the shaft 120 along second to close the outlet 210 of pipeline body 200
Direction B is rotated to open outlet 210；First direction A is opposite with second direction B.
The working principle of sealing mechanism 100 provided in this embodiment are as follows:
Under normality, blade 110 is connected to the outlet 210 of pipeline body 200 so that pipeline body 200 is in close state, and prevents
Only the bacterium in sewer, mosquito etc. enter the room.
When being drained to sewer, the impact force of water flow by driving blade 110 around the shaft 120 axis B is transported in a second direction
Dynamic to export 210 to open, water flow can drain into sewer through outlet 210.
After draining stops, the percussion of water flow that blade 110 is subject to disappears, at this point, blade 110 around the shaft 120 axis
Line is rotated along first direction A to close outlet 210, prevents the bacterium in sewer, mosquito etc. from entering the room.
Sealing mechanism 100 provided in this embodiment can be automatically closed the outlet 210 of pipeline body 200, to prevent from being lauched
Bacterium, mosquito in road etc. enter the room, while the outlet 210 of pipeline body 200 can also be opened under water impact effect,
Structure is simple, without operation.
Blade 110 around the shaft 120 axis can be set to gravity along the driving force that first direction A is rotated, utilize gravity
The technical solution of driving is as follows: blade 110 includes the counterweight part 111 and sealing 112 positioned at 120 two sides of shaft；Counterweight part 111
Weight be greater than sealing 112 weight, and can under the effect of gravity around the shaft 120 axis along first direction A
It rotates and sealing 112 is driven to offset with outlet 210；Sealing 112 can water impact effect under around the shaft 120 axis
B is rotated in a second direction.Wherein, there are many modes for the weight that the weight of realization counterweight part 111 is greater than sealing 112, in leaf
In the case that 110 uniform quality of piece is distributed, shaft 120 can be set to the center of blade 110 close to the one of sealing 112
Side, so that the volume of counterweight part 111 is greater than the volume of sealing 112, and then the weight of counterweight part 111 is greater than sealing 112
Weight.Clump weight can also be set on counterweight part 111, to increase the weight of counterweight part 111, at this point, shaft 120 can be set
To be overlapped with the center of blade 110.It can also set blade 110 to that density is not equal and shaft 120 is set as and blade 110
Center be overlapped structure (specifically referring to Fig. 2), wherein the density of counterweight part 111 be greater than sealing 112 density.This reality
It applies in example, for the ease of installing sealing mechanism 100, shaft 120 is set as being overlapped with the center of blade 110.
It will cause 112 surface of sealing generation scale in view of sealing 112 contacts sewage, so that the weight of sealing 112
Amount increase, so in order to avoid counterweight part 111 gravity can not driving blade 110 around first direction A rotate, need rationally
The weight distributed between counterweight part 111 and sealing 112 is distributed so that the weight of counterweight part 111 is greater than the weight of sealing 112.
In the present embodiment, the weight of counterweight part 111 is greater than 3 times of 112 weight of sealing.But not limited to this, counterweight part 111 and sealing
The area that 112 weight distributes also with blade 110 has a direct impact, therefore, the weight ratio of counterweight part 111 and sealing 112
It can be calculated according to the actual situation.
In 100 course of work of sealing mechanism, counterweight part 111 and sealing 112 replace in order to prevent, i.e. counterweight part 111
210 sides of outlet are moved to, the slewing area of limitation counterweight part 111 is that the angle between horizontal plane is between 0 ° to 75 °
Range.In actual use, locating part can be installed inside pipeline body 200 and limit counterweight part 111 with circumferential.
May be arranged as using the technical solution of gravity drive: 120 side of shaft is equipped with counterweight, and counterweight is set to
The region for being 90 degree with angle of the blade 110 on second direction B.Counterweight is rotated using gravity drive shaft 120, and is driven
Blade 110 is rotated around first direction A.Meanwhile blade 110 can be set to split type structure, counterweight part 111 and pipeline body
200 outlet 210 connects, and does not rotate with shaft 120, and only sealing 112 is rotated with shaft 120.
Blade 110 around the shaft 120 axis may be arranged as elastic force along the driving force that first direction A is rotated, utilize bullet
The technical solution of power drive is as follows: tension spring, one end of the separate sealing 112 of tension spring and pipeline sheet are provided on sealing 112
The inner wall of body 200 connects, and the active force that there is tension spring driving sealing 112 to rotate along first direction A always.It is arranged to sewer
When water, the impact force of water flow overcome the active force of tension spring by driving blade 110 around the shaft 120 axis in a second direction B move
To open outlet 210, water flow can drain into sewer through outlet 210.It drains after stopping, the water flow that blade 110 is subject to is rushed
Event resolves are hit, at this point, 120 axis is rotated along first direction A to close blade 110 around the shaft under the pulling force effect of tension spring
Outlet 210, prevents the bacterium in sewer, mosquito etc. from entering the room.
It can be with using the technical solution of elastic force driving are as follows: be equipped with and turn round in the junction of shaft 120 and pipeline body 200
Spring, the active force that there is torsional spring driving blade 110 to rotate along first direction A always.When being drained to sewer, the impact force of water flow
Overcome the active force of torsional spring by driving blade 110 around the shaft 120 axis in a second direction B move to open outlet 210, water flow
It can be drained into sewer through outlet 210.After draining stops, the percussion for the water flow that blade 110 is subject to disappears, at this point, leaf
120 axis is rotated along first direction A to close outlet 210 piece 110 around the shaft under the action of the restoring force of the torsion spring, prevents from being lauched
Bacterium, mosquito in road etc. enter the room.
In order to reduce corrosion of the water flow to blade 110, blade 110 selects stainless steel material or anti-aging plastics material, together
When 110 surface of blade spray antirust coat.
Embodiment 2
A kind of automatic-sealed pipeline is present embodiments provided, please with reference to Fig. 1 to Fig. 3.
Automatic-sealed pipeline includes the sealing mechanism 100 and pipeline body 200；Sealing mechanism 100 is installed on pipeline
The outlet 210 of ontology 200.
The working principle of automatic-sealed pipeline provided in this embodiment are as follows:
Under normality, blade 110 is connected to the outlet 210 of pipeline body 200 so that pipeline body 200 is in close state, and prevents
Only the bacterium in sewer, mosquito etc. enter the room.
When being drained to sewer, the impact force of water flow by driving blade 110 around the shaft 120 axis B is transported in a second direction
Dynamic to export 210 to open, water flow can drain into sewer through outlet 210.
After draining stops, the percussion of water flow that blade 110 is subject to disappears, at this point, blade 110 around the shaft 120 axis
Line is rotated along first direction A to close outlet 210, prevents the bacterium in sewer, mosquito etc. from entering the room.
Automatic-sealed pipeline provided in this embodiment can be automatically closed the outlet 210 of pipeline body 200, to prevent from being lauched
Bacterium, mosquito in road etc. enter the room, while the outlet 210 of pipeline body 200 can also be opened under water impact effect,
Structure is simple, without operation.
In 100 course of work of sealing mechanism, counterweight part 111 and sealing 112 replace in order to prevent, i.e. counterweight part 111
210 sides of outlet are moved to, the slewing area of limitation counterweight part 111 is that the angle between horizontal plane is between 0 ° to 75 °
Range.It is between 0 ° to 75 ° in order to which the slewing area of counterweight part 111 is limited in the angle between horizontal plane,
Pipeline body 200 inner wall be equipped with limiting section 221, limiting section 221 can blade 110 in a second direction B rotate when with match
Weight portion 111, which offsets, limits counterweight part 111 with circumferential.The wherein set-up mode of limiting section 221 are as follows: the inner wall of pipeline body 200 is pacified
Equipped with the center position along direction pipeline body 200 gradually to the inclined top surface 220 of 200 entrance of pipeline body, 221 shape of limiting section
At in top surface 220.For sealing 112 when B is rotated in a second direction under flow action, counterweight part 111 can be to close to top surface 220
Direction movement, and finally offset with top surface 220, to limit the position of counterweight part 111.Meanwhile edge is set by top surface 220 and is referred to
To pipeline body 200 center position gradually to the inclined form of 200 entrance of pipeline body, can be in conduction pipe ontology 200
Sewage, so that it is flowed to outlet 210 and effuser road ontology 200 diagonally downward along top surface 220.In addition, due to being deposited in sewage
In more sundries, part sundries can accumulate in top surface 220, and pipeline body 200 is caused to block, and this problem can use counterweight part
111 movement solves, specifically, counterweight part 111 can generate vibration in the moment to offset with top surface 220, top surface 220 at this time
Also it can be vibrated under the action of counterweight part 111, in vibration processes repeatedly, the sundries for accumulating in top surface 220 can be detached from top surface
220 and slide to outlet 210.In addition, can also have biggish sundries in the sewage being discharged by outlet 210, it is above-mentioned biggish miscellaneous
The sealing 112 of object meeting collision blade 110, makes blade 110 generate vibration, and drives the vibration of top surface 220 so as to accumulate in simultaneously
The sundries of top surface 220 falls off.
In view of more hair can be adulterated in sanitary sewage, shaft 120 is caused in order to avoid hair is wound in shaft 120
Operating irregularity can not operate, and need for shaft 120 to be isolated with sewage.In the present embodiment, pipeline body 200 and top surface
220 are connected with side 230 by paracentral side, and the inner wall of side 230, top surface 220 and pipeline body 200, which encloses, to be set and formed
Installation cavity 240, installation cavity 240 is for accommodating shaft 120 and counterweight part 111.Side 230 can also support top surface 220, increase top
The bonding strength in face 220.In order to reduce corrosion of the sewage to top surface 220 and side 230, top surface 220 and side 230 are selected not
Steel material of becoming rusty or anti-aging plastics material, while antirust coat is sprayed in top surface 220 and 230 surface of side.
In the optinal plan of the present embodiment, more preferably,
As shown in figure 3, being symmetrically installed on the inner wall of pipeline body 200 there are two axle bed 250, axle bed 250 has opening court
To the mounting hole at 200 center of pipeline body, mounting hole is for installing shaft 120.In order to guarantee that shaft 120 rotates flexibly, and have
Enough intensity installs bearing between shaft 120 and mounting hole, and the inner ring of bearing is connect with shaft 120, and outer ring is installed on
Fill hole.
In the optinal plan of the present embodiment, more preferably,
Sealing ring 300, the shape adaptation of sealing ring 300 and outlet 210 are installed at the outlet 210 of pipeline body 200.
Embodiment 3
A kind of drainage arrangement is present embodiments provided, please with reference to Fig. 1 to Fig. 3.
Drainage arrangement includes the automatic-sealed pipeline and outlet device；The separate sealing mechanism 100 of pipeline body 200
One end is connected to the outlet pipe of outlet device.
The working principle of sealing mechanism 100 in drainage arrangement provided in this embodiment are as follows:
Under normality, blade 110 is connected to the outlet 210 of pipeline body 200 so that pipeline body 200 is in close state, and prevents
Only the bacterium in sewer, mosquito etc. enter the room.
When being drained to sewer, the impact force of water flow by driving blade 110 around the shaft 120 axis B is transported in a second direction
Dynamic to export 210 to open, water flow can drain into sewer through outlet 210.
After draining stops, the percussion of water flow that blade 110 is subject to disappears, at this point, blade 110 around the shaft 120 axis
Line is rotated along first direction A to close outlet 210, prevents the bacterium in sewer, mosquito etc. from entering the room.
Drainage arrangement provided in this embodiment can be automatically closed the outlet 210 of pipeline body 200, to prevent in sewer
Bacterium, mosquito etc. enter the room, while the outlet 210 of pipeline body 200, structure can also be opened under water impact effect
Simply, without operation.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of sealing mechanism is applied to pipeline, which is characterized in that including blade and be symmetrically disposed on the two of the blade two sides
A shaft；
The shaft is movably set in pipeline body；
The blade and the shaft are rotatablely connected；The blade can be rotated in a first direction described in closing around the shaft
The outlet of pipeline body, and can be rotated in a second direction, under water impact effect around the shaft to open the outlet；
The first direction is opposite with the second direction.
2. sealing mechanism according to claim 1, which is characterized in that the blade includes matching positioned at the shaft two sides
Weight portion and sealing；
The weight of the counterweight part is greater than the weight of the sealing, and can be under the effect of gravity around the shaft
Axis rotates along the first direction and the sealing is driven to offset with the outlet；
The sealing can be rotated around the axis of the shaft along the second direction under water impact effect.
3. sealing mechanism according to claim 2, which is characterized in that the weight of the counterweight part is greater than the sealing
Weight.
4. sealing mechanism according to claim 2, which is characterized in that the counterweight part can be in the folder between horizontal plane
Angle is to rotate between 0 ° to 75 °.
5. a kind of includes the automatic-sealed pipeline such as the described in any item sealing mechanisms of claim 2-4, which is characterized in that also wrap
Include pipeline body；
The sealing mechanism is installed on the outlet of the pipeline body.
6. automatic-sealed pipeline according to claim 5, which is characterized in that the inner wall of the pipeline body has limit
Portion, the limiting section can offset when the blade is rotated along the second direction with the counterweight part described in circumferential limit
Counterweight part.
7. automatic-sealed pipeline according to claim 6, which is characterized in that the inner wall of the pipeline body is equipped with edge and refers to
To the pipeline body center position gradually to the inclined top surface of pipeline body entrance, the limiting section is formed in described
Top surface.
8. automatic-sealed pipeline according to claim 7, which is characterized in that the pipeline body further includes and the top surface
The side that connects of the side close to the center, the side, the top surface and the pipeline body inner wall enclose and set and shape
At installation cavity, the installation cavity is for accommodating the shaft and the counterweight part.
9. automatic-sealed pipeline according to claim 6, which is characterized in that be symmetrically installed on the inner wall of the pipeline body
There are two axle bed, the axle bed has mounting hole of the opening towards the pipeline body center, and the mounting hole is for installing institute
State shaft.
10. a kind of includes the drainage arrangement such as the described in any item automatic-sealed pipelines of claim 5-9, which is characterized in that also
Including outlet device；
One end far from the sealing mechanism of the pipeline body is connected to the outlet pipe of the outlet device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920018404.1U CN209538314U (en) | 2019-01-07 | 2019-01-07 | A kind of sealing mechanism, automatic-sealed pipeline and drainage arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920018404.1U CN209538314U (en) | 2019-01-07 | 2019-01-07 | A kind of sealing mechanism, automatic-sealed pipeline and drainage arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN209538314U true CN209538314U (en) | 2019-10-25 |
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ID=68268610
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920018404.1U Expired - Fee Related CN209538314U (en) | 2019-01-07 | 2019-01-07 | A kind of sealing mechanism, automatic-sealed pipeline and drainage arrangement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537688A (en) * | 2019-01-07 | 2019-03-29 | 马晗 | A kind of sealing mechanism, automatic-sealed pipeline and drainage arrangement |
| CN110943419A (en) * | 2019-11-22 | 2020-03-31 | 河北瑞池工程项目管理有限公司 | Cable trench |
-
2019
- 2019-01-07 CN CN201920018404.1U patent/CN209538314U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537688A (en) * | 2019-01-07 | 2019-03-29 | 马晗 | A kind of sealing mechanism, automatic-sealed pipeline and drainage arrangement |
| CN110943419A (en) * | 2019-11-22 | 2020-03-31 | 河北瑞池工程项目管理有限公司 | Cable trench |
| CN110943419B (en) * | 2019-11-22 | 2021-04-30 | 河北瑞池工程项目管理有限公司 | Cable trench |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 Termination date: 20210107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |