CN112657086B - Embedded spray set for building fire engineering - Google Patents
Embedded spray set for building fire engineering Download PDFInfo
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- CN112657086B CN112657086B CN202011510409.XA CN202011510409A CN112657086B CN 112657086 B CN112657086 B CN 112657086B CN 202011510409 A CN202011510409 A CN 202011510409A CN 112657086 B CN112657086 B CN 112657086B
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Abstract
The invention discloses an embedded spraying device for building fire engineering, which comprises a water pipe, wherein connectors are arranged on the left side and the right side above the water pipe, the outer walls of the left side and the right side above the water pipe are fixedly connected with the connectors, the water pipe is communicated with the connectors, and a connecting mechanism is arranged on the outer side of the connectors. This embedded spray set for building fire engineering, it rotates the handle and drives the threaded rod rotation, the threaded rod rotates and removes to the inboard in the riser, the turning block passes through the inner bearing and rotates on the threaded rod, and the threaded rod drives the turning block and removes to the inboard, the turning block drives the horizontal pole and removes to the inboard, the horizontal pole drives two fixture blocks and removes to the inboard, make two risers paste last, give the inboard power of riser, it is quick to be connected with the connector to make the riser drive the connecting pipe, high connection speed, the connection speed is improved, the current embedded spray set for building fire engineering adopts flange joint more, and connection speed is slow, influence connection speed's problem.
Description
Technical Field
The invention relates to the technical field of fire engineering, in particular to an embedded spraying device for building fire engineering.
Background
Along with the development of the times, high-rise buildings are more and more popularized, and the desirability of a fire-fighting system is also more and more widely popularized and applied, the spraying fire-fighting system is an important component of the building fire-fighting system and has the characteristic of high fire-fighting success rate, but the existing spraying device for the embedded building fire-fighting project is mostly connected by flanges, the connection speed is low, and the connection speed is influenced.
Disclosure of Invention
The invention aims to provide a spraying device for embedded building fire protection engineering, which aims to solve the problems that the existing spraying device for embedded building fire protection engineering proposed in the background art is mostly connected by flanges, the connection speed is low and the connection speed is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the spray device for the embedded type building fire engineering comprises a water pipe, wherein connectors are arranged on the left side and the right side above the water pipe, the connectors are fixedly connected to the outer walls of the left side and the right side above the water pipe, the water pipe is communicated with the connectors, and a connecting mechanism is arranged on the outer side of each connector;
the connecting mechanism comprises a threaded rod, a handle, a vertical block, a rotating block, a cross rod, a groove, a vertical plate, a clamping block, a connecting pipe, a rubber ring and a sprayer;
the right side of the threaded rod is provided with a handle, the right side outer wall of the threaded rod is fixedly connected with the middle inner wall of the handle, the right side outer wall of the threaded rod is provided with a vertical block, the right side outer wall of the threaded rod is in threaded connection with the middle inner wall above the vertical block, a connector is arranged below the vertical block, the bottom end of the vertical block is fixedly connected with the left side upper outer wall of the connector, the left side of the threaded rod is provided with a rotating block, the left side outer wall of the threaded rod is rotatably connected with the middle inner wall of the rotating block through an internal bearing, the left side of the rotating block is provided with a cross rod, the middle of the left end of the rotating block is fixedly connected with the right end of the cross rod, the left side outer wall of the cross rod is in clearance fit with the middle inner surface of a groove, the groove is formed in the middle inner wall above the vertical plate, the left side of the cross rod is provided with two clamping blocks, and the left end of the cross rod is fixedly connected with the right ends of the clamping blocks, the outside right-hand member of fixture block all laminates with the left end of riser, the below of riser is equipped with the connecting pipe, the bottom of riser and the right side top outer wall fixed connection of connecting pipe, the right side of connecting pipe is equipped with the rubber circle, the right-hand member edge of connecting pipe laminates with the left end of rubber circle, the right side of rubber circle is equipped with the connector, the right-hand member of rubber circle laminates with the left end edge of connector mutually, the connecting pipe is linked together with the connector, the left side below of connecting pipe is equipped with the several shower nozzle, the left side bottom rigid coupling of connecting pipe has the several shower nozzle, the left side bottom of connecting pipe all is linked together with the shower nozzle.
Preferably, the spray heads are arranged equidistantly on the connecting pipe.
Preferably, the outer wall of the handle is processed with abrasive grains.
Preferably, the outer wall of the right side of the connecting pipe is provided with a fixing mechanism;
the fixing mechanism comprises a clamping plate, a fixing bolt, a connecting block, a concave plate, a through groove, a vertical rod, a compression spring, a top block, a transverse plate and a curved plate;
the middle inner wall of the clamping plate is attached to the outer wall above the right side of the connecting pipe, the middle front end of the clamping plate is in threaded connection with the front end above the right side of the connecting pipe through a fixing bolt, the middle of the top end of the clamping plate is fixedly connected with the bottom end of the connecting block, a concave plate is fixedly connected in the middle of the top end of the connecting block, through grooves are formed in the left side and the right side above the concave plate, vertical rods are in clearance fit with the inner surfaces of the through grooves, compression springs are in clearance fit with the outer walls below the vertical rods, the bottom ends of the vertical rods are fixedly connected with top blocks, the middles of the top ends of the top blocks are fixedly connected with compression springs, the equal rigid coupling in the top of compression spring is in both sides about the top of concave plate, the equal rigid coupling in top of montant has the diaphragm, the outside of diaphragm all is equipped with the bent plate, the equal rigid coupling in the outside of diaphragm has the bent plate.
Preferably, the clamping plates are symmetrically arranged about the connecting tube.
Preferably, the bottom end of the water pipe is provided with a water pump, and the water pipe is communicated with a water outlet above the water pump.
Compared with the prior art, the invention has the beneficial effects that: this embedded spray set for building fire engineering, compared with the conventional art, has following advantage:
through water pipe, the connector, the threaded rod, the handle, the riser, the turning block, the horizontal pole, a groove, the riser, the fixture block, the connecting pipe, cooperation between rubber circle and the shower nozzle, it rotates to rotate the handle drive threaded rod, the threaded rod rotates to inboard removal in the riser, the turning block passes through the inner bearing and rotates on the threaded rod, and the threaded rod drives the turning block and moves to the inboard, the turning block drives the horizontal pole and moves to the inboard, the horizontal pole drives two fixture blocks and moves to the inboard, make two risers paste last, give the inboard power of riser, it is connected with the connector fast to make the riser drive the connecting pipe, and the rubber circle is sealed to the junction of connecting pipe and connector, high connection speed, the connection rate is improved, the current embedded type spraying device for building fire engineering adopts flange joint more, and connection speed is slow, influence connection rate's problem.
Through the connecting pipe, splint, fixing bolt, the connecting block, the notch board, lead to the groove, the montant, compression spring, the kicking block, cooperation between diaphragm and the bent plate, make splint pass through fixing bolt and fix on the connecting pipe, the montant of both sides is inboard removal in leading to the groove of notch board both sides respectively, it removes to drive the kicking block inboard respectively, make the compression spring of both sides tensile, otherwise elasticity through compression spring can make the montant reset, the montant of both sides resets to the outside through the bent plate that the diaphragm drove both sides respectively, can make the connecting pipe fix the inslot that the building predetermined, it is convenient to use, current spray set for embedded building fire engineering has been solved, be not convenient for install inside the wall body, use inconvenient problem.
Through the cooperation between water pump, water pipe, connector and the coupling mechanism, the water pump draws water, through the delivery port with the log raft in the water pipe, in the water pipe shunted the connector of both sides through the connector of both sides in, through several shower nozzle blowout, the increase sprayed the area, has solved current spray set for embedded building fire engineering, mostly is the single pipeline reposition of redundant personnel, problem that the area is little.
Through the cooperation between water pump, water pipe, connector, coupling mechanism and the fixed establishment, improve the connection speed between connecting pipe and the connector, and the connecting pipe of being convenient for is installed at building wall predetermined inslot, can make water realize the reposition of redundant personnel simultaneously, and the increase sprays the area, and the rate of utilization is high, and comprehensive properties is high, has solved current spray set for embedded building fire engineering, and the rate of utilization is low, the not high problem of comprehensive properties.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the connecting head, the connecting pipe and the rubber ring in FIG. 1;
FIG. 3 is a schematic view of the cross bar, the clamping block and the vertical plate in FIG. 1;
FIG. 4 is a schematic view of the threaded rod, handle and riser of FIG. 1;
FIG. 5 is a schematic structural view of the clamping plate, the fixing bolt and the connecting pipe in FIG. 1;
fig. 6 is a schematic structural view of the vertical rod, the horizontal plate and the curved plate in fig. 1.
In the figure: 1. the water pump, 2, the water pipe, 3, the connector, 4, coupling mechanism, 401, threaded rod, 402, handle, 403, riser, 404, commentaries on classics piece, 405, horizontal pole, 406, recess, 407, riser, 408, fixture block, 409, connecting pipe, 410, rubber circle, 411, shower nozzle, 5, fixed establishment, 501, splint, 502, fixing bolt, 503, connecting block, 504, the concave plate, 505, logical groove, 506, montant, 507, compression spring, 508, kicking block, 509, the diaphragm, 510, the bent plate.
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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a spray set for embedded building fire engineering comprises a water pipe 2, connectors 3 are arranged on the left side and the right side above the water pipe 2, the connectors 3 are fixedly connected to the outer walls of the left side and the right side above the water pipe 2, the water pipe 2 is communicated with the connectors 3, water in the water pipe 2 can be divided by the connectors 3 on the two sides, the spray area is increased, a connecting mechanism 4 is installed on the outer side of the connector 3, the connecting mechanism 4 comprises a threaded rod 401, a handle 402, a vertical block 403, a rotating block 404, a cross rod 405, a groove 406, a vertical plate 407, a clamping block 408, a connecting pipe 409, a rubber ring 410 and a spray head 411, the handle 402 is arranged on the right side of the threaded rod 401, the outer wall on the right side of the threaded rod 401 is fixedly connected with the middle inner wall of the handle 402, the vertical block 403 is arranged on the outer wall on the right side of the threaded rod 401, the outer wall on the right side of the threaded rod 401 is in threaded connection with the middle inner wall above the vertical block 403, the handle 402 is rotated, the handle 402 drives the threaded rod 401 to rotate, the threaded rod 401 rotates to move inwards in the vertical block 403, the connector 3 is arranged below the vertical block 403, the bottom end of the vertical block 403 is fixedly connected with the outer wall above the left side of the connector 3, the rotating block 404 is arranged on the left side of the threaded rod 401, the outer wall on the left side of the threaded rod 401 is rotatably connected with the inner wall in the middle of the rotating block 404 through an internal bearing, the rotating block 404 rotates on the threaded rod 401 through the internal bearing, the threaded rod 401 drives the rotating block 404 to move inwards, the transverse rod 405 is arranged on the left side of the rotating block 404, the middle of the left end of the rotating block 404 is fixedly connected with the right end of the transverse rod 405, the transverse rod 405 is driven by the rotating block 404 to move inwards, the outer wall on the left side of the transverse rod 405 is in clearance fit with the inner surface in the middle of the groove 406, the groove 406 is arranged on the inner wall above the vertical plate 407, the left side of the transverse rod 405 is provided with two clamping blocks 408, the left end of the transverse rod 405 is fixedly connected with the right end of the clamping block 408, the right end of the clamping block 408 is attached to the left end of the vertical plate 407, a connecting pipe 409 is arranged below the vertical plate 407, the bottom end of the vertical plate 407 is fixedly connected with the outer wall above the right side of the connecting pipe 409, a rubber ring 410 is arranged on the right side of the connecting pipe 409, the edge of the right end of the connecting pipe 409 is attached to the left end of the rubber ring 410, a connector 3 is arranged on the right side of the rubber ring 410, the right end of the rubber ring 410 is attached to the edge of the left end of the connector 3, the connecting pipe 409 is communicated with the connector 3, the cross bar 405 drives the two clamping blocks 408 to move inwards, so that the two vertical plates 407 are attached to the upper part, the vertical block 407 drives the connecting pipe 409 to be rapidly connected with the connector 3, the rubber ring 410 seals the connection between the connecting pipe 409 and the connector 3, when the clamping blocks 408 on the two sides rotate by 90 degrees, the connecting pipe 409 is conveniently separated from the connector 3, a plurality of spray nozzles 411 are arranged below the left side of the connecting pipe 409, and a plurality of spray nozzles 411 are fixedly connected to the bottom end of the connecting pipe 409, the left side bottom of connecting pipe 409 all is linked together with shower nozzle 411, and the water in the connecting pipe 409 is through several shower nozzle 411 blowout, realizes spraying, and shower nozzle 411 is common atomizer on the market, and shower nozzle 411 equidistance is arranged on connecting pipe 409, and the increase sprays the area, and the outer wall processing of handle 402 has the abrasive grain, increases and rotates frictional force.
The right outer wall of the connecting pipe 409 is provided with a fixing mechanism 5, the fixing mechanism 5 comprises a clamping plate 501, a fixing bolt 502, a connecting block 503, a concave plate 504, a through groove 505, a vertical rod 506, a compression spring 507, a top block 508, a transverse plate 509 and a curved plate 510, the middle inner wall of the clamping plate 501 is attached to the right upper outer wall of the connecting pipe 409, the middle front end of the clamping plate 401 is in threaded connection with the right upper front end of the connecting pipe 409 through the fixing bolt 502, the clamping plate 401 is fixed on the connecting pipe 409 through the fixing bolt 502, the upper part of the clamping plate 501 is a connecting block 503, the middle of the top end of the clamping plate 501 is fixedly connected with the bottom end of the connecting block 503, the middle of the top end of the connecting block 503 is fixedly connected with the concave plate 504, the left side and the right side above the concave plate 504 are both provided with the through grooves 505 in clearance fit, the inner surface of the through groove 505 is provided with the vertical rod 506 in clearance fit, the lower outer wall of the vertical rod 506 is in clearance fit with the compression spring 507, the bottom end of the vertical rod 506 is provided with the top block 508, compression springs 507 are fixedly connected to the middle of the top ends of the top blocks 508, the top ends of the compression springs 507 are fixedly connected to the left side and the right side of the upper portion of the concave plate 504, vertical rods 506 on the two sides move inwards in through grooves 505 on the two sides of the concave plate 504 respectively, the top blocks 508 are driven to move inwards respectively, the compression springs 507 on the two sides are stretched, otherwise, the vertical rods 506 can reset through the elasticity of the compression springs 507, horizontal plates 509 are fixedly connected to the top ends of the vertical rods 506, curved plates 510 are arranged on the outer sides of the horizontal plates 509, curved plates 510 are fixedly connected to the outer sides of the horizontal plates 509, the vertical rods 506 on the two sides drive the curved plates 510 on the two sides to reset outwards through the horizontal plates 509, the connecting pipe 409 can be fixed in a preset groove of a building, the clamping plate 501 is symmetrically arranged relative to the connecting pipe 409, and the connecting pipe 409 is fixed stably.
The bottom of water pipe 2 is equipped with water pump 1, and water pipe 2 is linked together with the top delivery port of water pump 1, and water pump 1 draws water, arranges the water in the inlet tube 2 through the delivery port.
When the spraying device for the embedded building fire engineering is used, firstly, a handle 402 is manually rotated to drive a threaded rod 401 to rotate, the threaded rod 401 rotates to move inwards in a vertical block 403, a rotating block 404 rotates on the threaded rod 401 through an internal bearing, the threaded rod 401 drives the rotating block 404 to move inwards, the rotating block 404 drives a cross rod 405 to move inwards, the cross rod 405 drives two clamping blocks 408 to move inwards, two vertical plates 407 are attached to the vertical blocks 407, the vertical blocks 407 drive a connecting pipe 409 to be quickly connected with a connecting head 3, a rubber ring 410 seals the connecting part of the connecting pipe 409 and the connecting head 3, a water pump 1 pumps water, water in a water drainage and inlet pipe 2 is discharged into the connecting pipes 409 through the connecting heads 3 on two sides, the water is sprayed out through a plurality of spray nozzles 411 to increase the spraying area, and the manual clamping plate 401 is fixed on the connecting pipe 409 through a fixing bolt 502, the vertical rods 506 on both sides move inwards in the through grooves 505 on both sides of the concave plate 504, respectively, and drive the top blocks 508 to move inwards, so that the compression springs 507 on both sides are stretched, otherwise, the vertical rods 506 can be reset through the elasticity of the compression springs 507, the vertical rods 506 on both sides drive the curved plates 510 on both sides to reset outwards through the transverse plates 509, respectively, and the connecting pipe 409 can be fixed in a preset groove of a building.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides an embedded spray set for building fire engineering, includes water pipe (2), its characterized in that: connectors (3) are arranged on the left side and the right side above the water pipe (2), the connectors (3) are fixedly connected to the outer walls of the left side and the right side above the water pipe (2), the water pipe (2) is communicated with the connectors (3), and a connecting mechanism (4) is installed on the outer side of each connector (3);
the connecting mechanism (4) comprises a threaded rod (401), a handle (402), a vertical block (403), a rotating block (404), a cross rod (405), a groove (406), a vertical plate (407), a clamping block (408), a connecting pipe (409), a rubber ring (410) and a spray head (411);
the right side of threaded rod (401) is equipped with handle (402), the right side outer wall of threaded rod (401) and the middle inner wall fixed connection of handle (402), the right side outer wall of threaded rod (401) is equipped with riser (403), the right side outer wall of threaded rod (401) and the middle inner wall threaded connection in the top of riser (403), the below of riser (403) is equipped with connector (3), the bottom of riser (403) and the left side top outer wall fixed connection of connector (3), the left side of threaded rod (401) is equipped with commentaries on classics piece (404), the left side outer wall of threaded rod (401) rotates with the middle inner wall of commentaries on classics piece (404) through the inner bearing and links to each other, the left side of commentaries on classics piece (404) is equipped with horizontal pole (405), the middle right-hand member fixed connection with horizontal pole (405) in the middle of the left end of commentaries on classics piece (404), the left side outer wall of horizontal pole (405) and the middle internal surface clearance fit of recess (406), inner wall in the middle of the top at riser (407) is seted up in recess (406), the left side of horizontal pole (405) is equipped with two fixture blocks (408), the left end of horizontal pole (405) all with the right-hand member fixed connection of fixture block (408), the outside right-hand member of fixture block (408) all laminates with the left end of riser (407), when fixture block (408) of both sides rotated 90 degrees, is convenient for connecting pipe (409) and connector (3) to separate, the below of riser (407) is equipped with connecting pipe (409), the bottom of riser (407) and the right side top outer wall fixed connection of connecting pipe (409), the right side of connecting pipe (409) is equipped with rubber circle (410), the right-hand member edge of connecting pipe (409) laminates with the left end of rubber circle (410), the right side of rubber circle (410) is equipped with connector (3), the right-hand member of rubber circle (410) laminates with the left end edge of connector (3), the connecting pipe (409) is communicated with the connector (3), a plurality of spray heads (411) are arranged below the left side of the connecting pipe (409), a plurality of spray heads (411) are fixedly connected to the bottom end of the left side of the connecting pipe (409), and the bottom ends of the left side of the connecting pipe (409) are communicated with the spray heads (411);
a fixing mechanism (5) is arranged on the outer wall of the right side of the connecting pipe (409);
the fixing mechanism (5) comprises a clamping plate (501), a fixing bolt (502), a connecting block (503), a concave plate (504), a through groove (505), a vertical rod (506), a compression spring (507), a top block (508), a transverse plate (509) and a curved plate (510);
the middle inner wall of the clamping plate (501) is attached to the right upper outer wall of the connecting pipe (409), the middle front end of the clamping plate (401) is in threaded connection with the right upper front end of the connecting pipe (409) through a fixing bolt (502), a connecting block (503) is arranged above the clamping plate (501), the middle of the top end of the clamping plate (501) is in fixed connection with the bottom end of the connecting block (503), a concave plate (504) is fixedly connected to the middle of the top end of the connecting block (503), through grooves (505) are formed in the left side and the right side of the upper portion of the concave plate (504), vertical rods (506) are uniformly in clearance fit with the inner surface of the through grooves (505), compression springs (507) are uniformly in clearance fit with the outer wall of the lower portion of the vertical rods (506), top blocks (508) are uniformly fixedly connected to the bottom end of the vertical rods (506), compression springs (507) are uniformly fixedly connected to the left side and the right side of the upper portion of the concave plate (504), transverse plates (509) are fixedly connected to the top ends of the vertical rods (506), bent plates (510) are arranged on the outer sides of the transverse plates (509), and the bent plates (510) are fixedly connected to the outer sides of the transverse plates (509);
the clamping plates (501) are symmetrically arranged relative to the connecting pipe (409);
the bottom of water pipe (2) is equipped with water pump (1), water pipe (2) are linked together with the top delivery port of water pump (1).
2. The sprinkler device for embedded building fire protection engineering of claim 1, characterized in that: the spray heads (411) are arranged on the connecting pipe (409) at equal intervals.
3. The embedded type spraying device for building fire fighting engineering according to claim 1, characterized in that: the outer wall of the handle (402) is machined with grinding grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011510409.XA CN112657086B (en) | 2020-12-19 | 2020-12-19 | Embedded spray set for building fire engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011510409.XA CN112657086B (en) | 2020-12-19 | 2020-12-19 | Embedded spray set for building fire engineering |
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| CN112657086A CN112657086A (en) | 2021-04-16 |
| CN112657086B true CN112657086B (en) | 2022-08-30 |
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| CN116764154A (en) * | 2023-06-16 | 2023-09-19 | 合肥工业大学 | Fire control water pipe location coupling mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4537543A (en) * | 1983-07-11 | 1985-08-27 | Scott Tommy L | Security locking bolt |
| NL8501923A (en) * | 1985-07-05 | 1987-02-02 | David C Neill | Jack bolt for flange joint separation - has threaded portion to engage one flange and thrust bearing to engage second |
| JPH1051201A (en) * | 1996-07-30 | 1998-02-20 | Nisshin Denki Seisakusho:Kk | Joint metallic fixture for waveguide with flange |
| CN106913983A (en) * | 2017-03-13 | 2017-07-04 | 中国十七冶集团有限公司 | A kind of fire proof construction applied on skyscraper wind-tunnel |
| CN108159610A (en) * | 2017-11-17 | 2018-06-15 | 盱眙正兴包装有限公司 | A kind of safety fire hydrant for construction site |
| CN208311764U (en) * | 2017-12-08 | 2019-01-01 | 廊坊同力塑料制品有限公司 | A kind of novel mounting structure of PP tubing and tube connector |
| CN208626481U (en) * | 2018-03-06 | 2019-03-22 | 杨立甫 | A kind of fire-fighting automatic sprinkler fire-extinguishing system that exterior wall is set |
| CN108452462A (en) * | 2018-05-16 | 2018-08-28 | 王祝女 | A kind of easy-to-dismount fire extinguisher canvas hose attachment device |
| CN210716421U (en) * | 2019-06-25 | 2020-06-09 | 江苏宇盾智能门窗有限公司 | Anti-leakage threaded connection flange |
| CN210179117U (en) * | 2019-06-27 | 2020-03-24 | 荆门市规划勘测设计研究院 | Connecting structure for laying water supply pipes |
| CN212004458U (en) * | 2019-12-31 | 2020-11-24 | 上海思探博机电设备有限公司 | Check valve convenient to maintain for air compressor |
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Effective date of registration: 20220809 Address after: 230088 room 1201, block a, Zhongrui building, No.9 Hongfeng Road, high tech Zone, Hefei City, Anhui Province Applicant after: Anhui Dart Intellectual Property Service Co.,Ltd. Address before: No. 601, 6th floor, building 104, courtyard a, Jiuxianqiao North Road, Chaoyang District, Beijing Applicant before: Zhang Wei |
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