CN111714818A - Water source recoverable automatic opening and closing fire-fighting floor tile - Google Patents
Water source recoverable automatic opening and closing fire-fighting floor tile Download PDFInfo
- Publication number
- CN111714818A CN111714818A CN202010582215.4A CN202010582215A CN111714818A CN 111714818 A CN111714818 A CN 111714818A CN 202010582215 A CN202010582215 A CN 202010582215A CN 111714818 A CN111714818 A CN 111714818A
- Authority
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- China
- Prior art keywords
- water
- floor tile
- spray head
- pressure
- water pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 239000007921 spray Substances 0.000 claims abstract description 56
- 238000010008 shearing Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 2
- 239000010813 municipal solid waste Substances 0.000 abstract description 8
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 description 10
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/16—Releasing means, e.g. electrically released heat-sensitive with thermally-expansible links
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a water source recyclable self-opening and self-closing fire-fighting floor tile which comprises a floor tile, wherein the floor tile is provided with a water tank, the wall of the water tank is provided with a plurality of shearing columns, a spray head is arranged in the water tank in a sliding manner, a pressure cavity is formed in the spray head, and a water pipe is fixedly inserted into the bottom of the floor tile. According to the invention, the opening and closing of the water pipe are realized through the pressure expansion rod by generating pressure difference with water pressure when the thermosensitive storage tank is heated and cooled, so that the spray head can automatically extend out for spraying water for fire extinguishing and retracting when water is cut off, and the shearing rod and the shearing column crush combustion garbage and discharge and recycle along with the same water source through the rotation of the spray head, thereby saving the water source.
Description
Technical Field
The invention relates to the field of fire safety, in particular to a water source recyclable self-opening and self-closing fire-fighting floor tile.
Background
Qualified fire-fighting equipment can ensure that the damage of a building in a fire is small, most of fire sources are on the ground, and inflammable substances such as a wooden cabinet and the like collapse down along with the aggravation of combustion,
the existing spray fire extinguisher is arranged on the top of a wall for sprinkling water to extinguish fire, because high-temperature flame is arranged above the wall, the fire is not easy to extinguish, and the existing spray fire extinguisher cannot be recovered after being triggered, and the water source for extinguishing fire cannot be recovered to cause water resource waste.
Disclosure of Invention
The invention aims to solve the defects that the fire extinguishing spray cannot be recovered after being triggered and water resources are wasted in the prior art, and the provided water source can be recycled and is automatically opened and closed.
In order to achieve the purpose, the invention adopts the following technical scheme:
a water source recyclable self-opening and self-closing fire-fighting floor tile comprises a floor tile, wherein a water groove is formed in the floor tile, a plurality of shearing columns are installed on the wall of the water groove, a spray head is installed in the water groove in a sliding mode, a pressure cavity is formed in the spray head, a water pipe is fixedly inserted into the bottom of the floor tile, the upper end of the water pipe extends into the pressure cavity and is provided with a sealing ring, a sealing ring is rotatably installed on the inner bottom wall of the pressure cavity and is sleeved on the water pipe, a spring is sleeved on the upper end of the water pipe, the upper end and the lower end of the spring are respectively fixed on the sealing ring and the sealing ring, a plurality of drainage grooves are symmetrically formed in the upper half section of the spray head and are communicated with the upper end of the pressure cavity, a plurality of spray holes are symmetrically formed in the side wall of the upper half section of the, the plurality of airflow grooves are communicated with the lower end of the pressure cavity, a plurality of limiting holes are symmetrically formed in the side wall of the lower half section of the spray head, a shearing rod is slidably mounted in each limiting hole, and the plurality of limiting holes are respectively communicated with the airflow grooves on the corresponding sides;
install the spacing ring in the water pipe, the upper surface of shower nozzle inlays establishes the temperature sensing holding vessel, the temperature sensing holding vessel intussuseption is filled with thermal expansion liquid, pressure telescopic link is installed to the lower extreme of temperature sensing holding vessel, pressure telescopic link's lower extreme extends to in the water pipe, the lower extreme of pressure telescopic link is installed and is glued the ball, and glues the below that the ball is located the spacing ring.
Preferably, the upper end of the spray head is sleeved with a check ring, and the diameter of the check ring is larger than that of the water tank;
when the shower nozzle was located the basin, the basin was sealed to the retaining ring, can enough guarantee that the dust does not fall into and lead to the basin to block up in the basin, also can avoid the sewage stink effluvium in the basin.
Preferably, a plurality of sewage discharge pipes are symmetrically embedded at the lower end of the water tank;
the blow off pipe can be with the unified discharge recycle of sewage and impurity in the basin, avoids a large amount of water sources of putting out a fire extravagant.
Preferably, the extension amount of the pressure telescopic rod is larger than the maximum compression amount of the spring;
when a fire disaster happens, the air temperature rises, so that the thermal expansion liquid in the thermosensitive storage tank is gasified and expanded, the pressure telescopic rod is extended, the rubber ball is pushed to be away from the limiting ring, the water pipe is opened, high-pressure water flow enters the pressure cavity from the water pipe, the water pressure in the pressure cavity is increased, the spray head is pushed to move upwards, and the spring is compressed;
in the upward movement process of the spray head, water flow enters the inclined spray holes through the drainage groove above the spray head and is sprayed out to extinguish a fire, the spray holes are obliquely arranged, so that the spray head is enabled to rotate to spray the water flow, the coverage area is increased, the spray head is close to a fire source to extinguish the fire, in the upward movement process of the spray head, air pressure in the pressure cavity enters the limiting hole through the airflow groove and pushes the shearing rod to pop out, the popped shearing rod is matched with the shearing column on the inner wall of the water tank, and due to the high-speed rotation of the spray head, burnt garbage entering along with the fire extinguishing water flow is crushed and discharged through the blow-off pipe, so that the blow-off pipe is prevented from being blocked by;
because the extension amount of the pressure telescopic rod is larger than the maximum compression amount of the spring, when the spray head rises to a high point, the rubber ball is still positioned below the limiting ring, and the continuous supply of a fire extinguishing water source is kept;
after the fire extinguishes, the air temperature drops, and the temperature of heat-sensitive holding vessel drops, then the compression telescopic link contracts under the negative pressure effect of water pressure and thermal expansion liquid condensation for the rubber ball moves upward and plugs the spacing ring and blocks up the water pipe, and because the negative pressure of thermal expansion liquid condensation makes the compression telescopic link pass through rubber ball pulling shower nozzle and move down in the withdrawal basin, realize the automatic function of cutting off the water withdrawal after the fire extinguishes, avoid hindering personnel's treatment site.
The invention has the following beneficial effects:
1. when the shower nozzle was located the basin, the retaining ring closed the basin, can enough guarantee that the dust does not fall into the basin and lead to the basin to block up, also can avoid the sewage stink effluvium in the basin, and the blow off pipe can be with the sewage in the basin and the unified discharge recycle of impurity, avoid a large amount of water sources of putting out a fire extravagant.
2. The shower nozzle high-speed rotation when orifice slope sets up and makes the water spray, and the shearing pole cooperates with the shearing post on the basin inner wall, and the rubbish after the burning that will get into along with the rivers of putting out a fire is smashed and is discharged through the blow off pipe, avoids conflagration rubbish to block up the blow off pipe.
3. Thermal energy liquid gasification inflation in the heat-sensitive holding vessel, make the extension of pressure telescopic link, then promote the ball and keep away from the spacing ring, then the water pipe is opened, make high-pressure rivers from the intraductal entering pressure intracavity of water, pressure intracavity water pressure increase promotes shower nozzle rebound, the shower nozzle rebound in-process, rivers get into the orifice blowout of slope through the drainage groove of top and begin to put out a fire, because orifice slope sets up, make the rotatory rivers that spray of shower nozzle, increase the coverage area, increase the efficiency of putting out a fire, and realized the automatic function of spraying water and putting out a fire that rises of conflagration.
4. After the fire extinguishment, the air temperature descends, and the temperature of heat-sensitive holding vessel descends, then the compression telescopic link contracts under the negative pressure effect of water pressure and thermal expansion liquid condensation for the rubber ball moves upward and plugs the spacing ring and blocks up the water pipe, and because the negative pressure of thermal expansion liquid condensation makes the compression telescopic link pass through rubber ball pulling shower nozzle and move down in the withdrawal basin, realize the automatic function of cutting off the water withdrawal after the fire extinguishment, avoid hindering personnel's treatment site.
5. The extension amount of the pressure telescopic rod is larger than the maximum compression amount of the spring, and when the spray head rises to a high point, the rubber ball is still positioned below the limiting ring, so that the continuous supply of a fire extinguishing water source is maintained.
In conclusion, the thermal sensitive storage tank is heated and cooled, pressure difference is generated between the thermal sensitive storage tank and water pressure, the opening and closing of the water pipe is realized through the pressure telescopic rod, the spray head can automatically extend out for spraying water for fire extinguishing and retracting when water is cut off, the shearing rod and the shearing column are enabled to crush combustion garbage and discharge and recycle the crushed combustion garbage along with the same water source through the rotation of the spray head, and the water source is saved.
Drawings
FIG. 1 is a schematic structural view of a water source recyclable self-opening and self-closing fire-fighting floor tile according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
FIG. 4 is an enlarged view of FIG. 1 at C;
FIG. 5 is an enlarged view of FIG. 1 at D;
FIG. 6 is an enlarged view of a portion of the nozzles of the fire-fighting floor tile with water source capable of being recycled and automatically opened and closed according to the present invention;
FIG. 7 is a schematic view of the present invention, showing that the water source can be recycled to open and close the fire-fighting floor tile.
In the figure: 1 floor tile, 11 water tanks, 111 shear columns, 12 sewage pipes, 2 spray heads, 21 check rings, 22 pressure chambers, 221 sealing rings, 3 heat-sensitive storage tanks, 31 heat expansion liquid, 32 pressure expansion rods, 321 rubber balls, 4 drainage grooves, 41 spray holes, 5 airflow grooves, 51 limiting holes, 511 shear rods, 6 water pipes, 61 springs, 62 sealing rings and 63 limiting rings.
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. 1-4, a water source recyclable self-opening and self-closing fire-fighting floor tile, which comprises a floor tile 1, wherein the floor tile 1 is provided with a water tank 11, a plurality of shearing columns 111 are installed on the wall of the water tank 11, a spray head 2 is slidably installed in the water tank 11, a pressure chamber 22 is formed in the spray head 2, a water pipe 6 is fixedly inserted into the bottom of the floor tile 1, the upper end of the water pipe 6 extends into the pressure chamber 22 and is provided with a sealing ring 62, a sealing ring 221 is rotatably installed on the inner bottom wall of the pressure chamber 22, the sealing ring 221 is sleeved on the water pipe 6, a spring 61 is sleeved on the upper end of the water pipe 6, the upper end and the lower end of the spring 61 are respectively fixed on the sealing ring 62 and the sealing ring 221, the upper half section of the spray head 2 is symmetrically provided with a plurality of drainage grooves 4, the plurality of drainage grooves, the lower half section of the spray head 2 is symmetrically provided with a plurality of airflow grooves 5, the airflow grooves 5 are communicated with the lower end of the pressure cavity 22, the side wall of the lower half section of the spray head 2 is symmetrically provided with a plurality of limiting holes 51, each limiting hole 51 is internally provided with a shearing rod 511 in a sliding manner, and the limiting holes are respectively communicated with the airflow grooves 5 on the corresponding sides;
install spacing ring 63 in the water pipe 6, the upper surface of shower nozzle 2 inlays establishes temperature sensing holding vessel 3, and the intussuseption of temperature sensing holding vessel 3 is filled with thermal expansion liquid 31, and pressure telescopic link 32 is installed to the lower extreme of temperature sensing holding vessel 3, and the lower extreme of pressure telescopic link 32 extends to in the water pipe 6, and gluey ball 321 is installed to the lower extreme of pressure telescopic link 32, and gluey ball 321 is located the below of spacing ring 63.
A retainer ring 21 is sleeved at the upper end of the spray head 2, and the diameter of the retainer ring 21 is larger than that of the water tank 11;
when the nozzle 2 is located in the water tank 11, the check ring 21 seals the water tank 11, so that the blockage of the water tank 11 caused by dust falling into the water tank 11 can be ensured, and the odor of sewage in the water tank 11 can be prevented from being emitted.
A plurality of sewage discharge pipes 12 are symmetrically embedded at the lower end of the water tank 11;
the sewage discharge pipe 12 can discharge and recycle the sewage and impurities in the water tank 11 uniformly, so that a large amount of fire extinguishing water source waste is avoided.
The extension amount of the pressure expansion rod 32 is larger than the maximum compression amount of the spring 61;
when a fire disaster happens, the air temperature rises, so that the thermal expansion liquid 31 in the thermosensitive storage tank 3 is gasified and expanded, the pressure expansion rod 32 is extended, the rubber ball 321 is pushed to be away from the limiting ring 63, the water pipe 6 is opened, high-pressure water flows enter the pressure cavity 22 from the water pipe 6, the water pressure in the pressure cavity 22 is increased, the spray head 2 is pushed to move upwards, and the spring 61 is compressed;
in the upward movement process of the spray head 2, water flow enters the inclined spray holes 41 through the drainage groove 4 above the spray head to spray out, fire extinguishment is started, the spray holes 41 are obliquely arranged, so that the spray head 2 can rotate to spray water flow, the coverage area is increased, the fire extinguishment is realized by being close to the ground, in addition, in the upward movement process of the spray head 2, the air pressure in the pressure cavity 22 enters the limiting hole 51 through the air flow groove 5 and pushes the shearing rod 511 to pop out, the popped shearing rod 511 is matched with the shearing column 111 on the inner wall of the water tank 11, in addition, as the spray head 2 rotates at a high speed, the burnt garbage entering along with the fire extinguishing water flow is crushed and is discharged through the discharge pipe 12, the discharge pipe 12 is prevented from being blocked by the fire garbage;
because the extension of the pressure expansion link 32 is greater than the maximum compression of the spring 61, when the nozzle 2 rises to a high point, the rubber ball 321 is still positioned below the limit ring 63, and the supply of the fire-extinguishing water source is kept;
after the fire is extinguished, the air temperature is reduced, the temperature of the thermosensitive storage tank 3 is reduced, then the pressure telescopic rod 32 is contracted under the negative pressure effect of the water pressure and the condensation of the thermal expansion liquid 31, so that the rubber ball 321 is upwards moved to plug the limiting ring 63 to block the water pipe 6, and the negative pressure caused by the condensation of the thermal expansion liquid 31 enables the pressure telescopic rod 32 to downwards move and retract into the water tank 11 through the rubber ball 321 to pull the spray head 2, thereby realizing the automatic water-cut retraction function after the fire is extinguished, and avoiding blocking the personnel processing site.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. The water source recyclable self-opening and self-closing fire-fighting floor tile comprises a floor tile (1) and is characterized in that a water tank (11) is formed in the floor tile (1), a plurality of shearing columns (111) are installed on the wall of the water tank (11), a spray head (2) is installed in the water tank (11) in a sliding mode, a pressure cavity (22) is formed in the spray head (2), a water pipe (6) is fixedly inserted into the bottom of the floor tile (1), the upper end of the water pipe (6) extends into the pressure cavity (22) and is provided with a sealing ring (62), a sealing ring (221) is installed on the inner bottom wall of the pressure cavity (22) in a rotating mode, the sealing ring (221) is sleeved on the water pipe (6), a spring (61) is sleeved on the upper end of the water pipe (6), the upper end and the lower end of the spring (61) are respectively fixed on the sealing ring (62) and the sealing ring (, the drainage grooves (4) are communicated with the upper end of the pressure cavity (22), the spray head (2) is symmetrically and obliquely provided with a plurality of spray holes (41) on the side wall of the upper half section, the spray holes (41) are respectively communicated with the drainage grooves (4) on the corresponding side, the spray head (2) is symmetrically provided with a plurality of air flow grooves (5) on the lower half section, the air flow grooves (5) are communicated with the lower end of the pressure cavity (22), the spray head (2) is symmetrically provided with a plurality of limiting holes (51) on the side wall of the lower half section, each limiting hole (51) is internally provided with a shearing rod (511) in a sliding manner, and the limiting holes are respectively communicated with the air flow grooves (5) on the corresponding side;
install spacing ring (63) in water pipe (6), the upper surface of shower nozzle (2) inlays and establishes temperature sensing holding vessel (3), heat sensing holding vessel (3) intussuseption is filled with thermal energy liquid (31), pressure telescopic link (32) are installed to the lower extreme of heat sensing holding vessel (3), the lower extreme of pressure telescopic link (32) extends to in water pipe (6), gluey ball (321) are installed to the lower extreme of pressure telescopic link (32), and glue the below that ball (321) are located spacing ring (63).
2. The recyclable self-opening and closing fire control floor tile of claim 1, characterized in that the upper end of the spray head (2) is sleeved with a retaining ring (21), and the diameter of the retaining ring (21) is larger than that of the water tank (11).
3. The water source recyclable self-opening and closing fire control floor tile as claimed in claim 1, wherein a plurality of drainage pipes (12) are symmetrically embedded at the lower end of the water tank (11).
4. The recyclable self-opening and closing fire floor tile as claimed in claim 1, wherein the extension amount of the pressure expansion pole (32) is larger than the maximum compression amount of the spring (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010582215.4A CN111714818B (en) | 2020-06-23 | 2020-06-23 | Water source recoverable automatic opening and closing fire-fighting floor tile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010582215.4A CN111714818B (en) | 2020-06-23 | 2020-06-23 | Water source recoverable automatic opening and closing fire-fighting floor tile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111714818A true CN111714818A (en) | 2020-09-29 |
| CN111714818B CN111714818B (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010582215.4A Active CN111714818B (en) | 2020-06-23 | 2020-06-23 | Water source recoverable automatic opening and closing fire-fighting floor tile |
Country Status (1)
| Country | Link |
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| CN (1) | CN111714818B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370704A (en) * | 2020-11-19 | 2021-02-19 | 郑创 | Fire control is with drenching wide automatic spray head of range of spouting |
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|---|---|---|---|---|
| US6182767B1 (en) * | 1999-12-20 | 2001-02-06 | The Viking Corporation | Nozzle for a floor nozzle spray system |
| CA2111233C (en) * | 1991-07-12 | 2003-07-08 | Goran Sundholm | Fire-fighting equipment |
| CN206721595U (en) * | 2017-05-18 | 2017-12-08 | 陕西职业技术学院 | A kind of civil engineering can water supply and sewage laying brick |
| CN208586716U (en) * | 2019-01-14 | 2019-03-08 | 邹少爽 | A kind of municipal drainage pipeline of block-resistant type |
| CN109568860A (en) * | 2018-12-26 | 2019-04-05 | 微山宏瑞电力科技有限公司 | A kind of intelligent water sprinkling spray head |
| CN109594622A (en) * | 2018-12-18 | 2019-04-09 | 杨洪海 | One kind being based on building water supply and drainage anti-block apparatus |
| CN209669998U (en) * | 2019-03-13 | 2019-11-22 | 陈丽 | A kind of building water supply and drainage anti-blocking drain pipe |
| CN110812755A (en) * | 2019-11-11 | 2020-02-21 | 饶杨扬 | Fire-fighting floor tile |
| CN210507695U (en) * | 2019-05-20 | 2020-05-12 | 吴小敏 | Prevent drain pipe of jam |
-
2020
- 2020-06-23 CN CN202010582215.4A patent/CN111714818B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2111233C (en) * | 1991-07-12 | 2003-07-08 | Goran Sundholm | Fire-fighting equipment |
| US6182767B1 (en) * | 1999-12-20 | 2001-02-06 | The Viking Corporation | Nozzle for a floor nozzle spray system |
| CN206721595U (en) * | 2017-05-18 | 2017-12-08 | 陕西职业技术学院 | A kind of civil engineering can water supply and sewage laying brick |
| CN109594622A (en) * | 2018-12-18 | 2019-04-09 | 杨洪海 | One kind being based on building water supply and drainage anti-block apparatus |
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| CN208586716U (en) * | 2019-01-14 | 2019-03-08 | 邹少爽 | A kind of municipal drainage pipeline of block-resistant type |
| CN209669998U (en) * | 2019-03-13 | 2019-11-22 | 陈丽 | A kind of building water supply and drainage anti-blocking drain pipe |
| CN210507695U (en) * | 2019-05-20 | 2020-05-12 | 吴小敏 | Prevent drain pipe of jam |
| CN110812755A (en) * | 2019-11-11 | 2020-02-21 | 饶杨扬 | Fire-fighting floor tile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370704A (en) * | 2020-11-19 | 2021-02-19 | 郑创 | Fire control is with drenching wide automatic spray head of range of spouting |
| CN112370704B (en) * | 2020-11-19 | 2021-11-26 | 福建海鲸消防有限公司 | Fire control is with drenching wide automatic spray head of range of spouting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111714818B (en) | 2021-08-24 |
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Effective date of registration: 20210803 Address after: 061000 9th floor, Tianxin Building, Beijing Road, Yunhe District, Cangzhou City, Hebei Province Applicant after: HEBEI TIANXIN CONSTRUCTION GROUP Co.,Ltd. Address before: 267 Haihe East Road, Nanguan, Qi County, Kaifeng City, Henan Province Applicant before: Wang Enguang |
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