CN217366987U

CN217366987U - Fire-extinguishing nozzle with dead-angle-free connector and water-based fire-extinguishing system

Info

Publication number: CN217366987U
Application number: CN202220908095.7U
Authority: CN
Inventors: 李春铭; 展彬
Original assignee: Changzhou Dkefuer Environmental Science And Technology Co ltd
Current assignee: Changzhou Dkefuer Environmental Science And Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-09-06
Anticipated expiration: 2032-04-19

Abstract

The utility model relates to a shower nozzle and water base fire extinguishing systems put out a fire with no dead angle connector, the shower nozzle of putting out a fire is installed on water base fire extinguishing systems, including the connector main part and set up in the shower nozzle of connector main part output, the connector main part is including dismantling the fixed takeover of connecting in proper order, horizontal knee and perpendicular knee, the entry end that horizontal knee connects can be dismantled with the exit end of fixed takeover through first flat shoulder union nut and be connected, the exit end that horizontal knee connects extends to the horizontal direction after the circular arc transition, the entry end that perpendicular knee connects can be dismantled with the exit end that horizontal knee through second flat shoulder union nut and be connected, the exit end that perpendicular knee connects extends to the vertical direction after the circular arc transition, the exit end threaded connection that shower nozzle and perpendicular knee connect. The utility model has the characteristics of simple structure, implement convenience, construction efficient, the shower nozzle can realize not having the dead angle and spray.

Description

Fire-extinguishing nozzle with dead-angle-free connector and water-based fire-extinguishing system

The technical field is as follows:

the utility model relates to a water base fire control technical field especially relates to a water base fire extinguishing systems who puts out a fire shower nozzle and have this shower nozzle of putting out a fire with there is not dead angle connector.

The background art comprises the following steps:

as shown in figure 1, in the installation and construction of the spray head of the water-based fire extinguishing system, when the spray head B meets the shielding of a threading pipeline, a ventilation pipeline and the like or the position of a main pipeline A deviates, the position or the angle of the spray head is required to be adjusted to meet the standard requirement. At present, two construction methods are generally adopted, wherein in the method 1, a branch pipe is arranged on a main pipe in a bypassing way to change the position of a spray head, the method is complicated in construction, large in engineering quantity and high in material consumption, and in the method 2, two screw thread elbows are used for adjusting the spray angle of the spray head between the spray head and the pipe, and when the spray angle is adjusted by the method, the screw threads are easy to loosen, so that liquid leakage is caused, and the angle of the spray head cannot be normally fixed.

The utility model has the following contents:

in order to solve the problems, the utility model relates to a fire-extinguishing nozzle and water-based fire-extinguishing system with no dead angle connector, simple structure, implementation convenience, 360 no dead angle real-time quick adjustment shower nozzle spray angle and position.

The utility model provides a shower nozzle of putting out a fire with no dead angle connector, includes the connector main part and sets up in the shower nozzle of connector main part output, the connector main part is including dismantling fixed takeover, horizontal knee and the perpendicular knee of connection in proper order, the entry end of horizontal knee is dismantled through the exit end of first flat shoulder union nut and fixed takeover and is connected, and the exit end of horizontal knee extends to the horizontal direction after the circular arc transition, the entry end of perpendicular knee is dismantled through the exit end of second flat shoulder union nut and horizontal knee and is connected, and the exit end of perpendicular knee extends to the vertical direction after the circular arc transition, the shower nozzle can be dismantled through the screw thread with the exit end of perpendicular knee and is connected.

In a preferred embodiment of the present invention, the inlet end of the fixed connection pipe is of a welded or threaded or flange structure.

Wherein, for the convenience of fixed takeover and horizontal knee joint realize dismantling and rotatable, the exit end of fixed takeover has the external screw thread, outside the entry end of horizontal knee joint was located to first flat shoulder loop nut cover, the entry end of horizontal knee joint had the first spacing ring that prevents that first flat shoulder loop nut from deviating from the horizontal knee joint, and first spacing ring supports with the terminal surface of fixed takeover and leans on, has in the first flat shoulder loop nut and fixes the external screw thread matched with internal thread of takeover.

In order to facilitate the horizontal bending connection and the vertical bending connection to be detachable and rotatable, the inlet end of the vertical bending connection is provided with external threads, the second flat shoulder loop nut is sleeved outside the outlet end of the horizontal bending connection, the outlet end of the horizontal bending connection is provided with a second limiting ring for preventing the second flat shoulder loop nut from being separated from the horizontal bending connection, the second limiting ring abuts against the end face of the vertical bending connection, and internal threads matched with the external threads of the vertical bending connection are arranged in the second flat shoulder loop nut.

In order to ensure the connection tightness, a first sealing ring is arranged between the first limiting ring and the end face of the fixed connecting pipe, and a second sealing ring is arranged between the second limiting ring and the end face which is perpendicularly bent.

The utility model also provides a water base fire extinguishing systems, it has the fire extinguishing nozzle that has no dead angle connector to distribute a plurality of the aforesaid on water base fire extinguishing systems's the pipeline.

The utility model has the advantages that: the fire extinguishing nozzle with the dead-angle-free connector and the water-based fire extinguishing system have the characteristics of simple structure, convenience in implementation and high construction efficiency, the loop nut connected with the fixed connecting pipe can be loosened according to the actual using angle (or position) of the nozzle during adjustment, the loop nut is locked after the angle of the horizontal bent pipe is adjusted, or the loop nut connected with the vertical bent pipe is loosened, the loop nut is locked after the angle of the vertical bent pipe is adjusted, and the nozzle can realize no spraying dead angle because the adjusting ranges in two directions are 360 degrees.

Description of the drawings:

FIG. 1 is a schematic diagram of a prior art water-based fire suppression system;

FIG. 2 is a schematic structural view of a preferred embodiment of the fire suppression sprinkler head with a dead-angle-free connector according to the present invention;

fig. 3 is a cross-sectional view of the horizontal scarf joint of the present invention;

fig. 4 is a partial cross-sectional view of the horizontal elbow connection and the vertical elbow connection of the present invention;

FIG. 5 is a schematic view of another preferred embodiment of the fire suppression sprinkler head with a dead-angle free connector according to the present invention;

FIG. 6 is a schematic structural view of another preferred embodiment of the fire suppression sprinkler head with a dead-angle free connector according to the present invention;

fig. 7 is a schematic structural view of the water-based fire extinguishing system of the present invention.

The specific implementation mode is as follows:

the following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined. The directional terms of the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", "side" and "end", refer to the directions of the attached drawings. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.

Example 1:

a fire-extinguishing nozzle with a connector without a dead angle as shown in fig. 2, comprising a connector body and a nozzle 6 provided at an output end (bottom end) of the connector body, the connector main body comprises a fixed connecting pipe 1, a horizontal bent connecting pipe 3 and a vertical bent connecting pipe 5 which are detachably connected in sequence, the inlet end (top end) of the horizontal bent joint 3 is detachably connected with the outlet end (bottom end) of the fixed connecting pipe 1 through a first flat shoulder loop nut 2, the outlet end (bottom end) of the horizontal bent joint 3 extends in the horizontal direction after being transited by a 90-degree arc, the inlet end (top end) of the vertical bent joint 5 is detachably connected with the outlet end (bottom end) of the horizontal bent joint 3 through a second flat shoulder loop nut 4, the outlet end (bottom end) of the vertical bent joint 5 extends in the vertical direction after being transited by a 90-degree arc, the spray head 6 is detachably connected with the outlet end (bottom end) of the vertical bent joint 5 in a threaded mode.

Referring to fig. 3 and 4, the outlet end of the fixed connecting pipe 1 is provided with an external thread, the first shoulder union nut 2 is sleeved outside the inlet end of the horizontal elbow joint 3, the inlet end of the horizontal elbow joint 3 is provided with a first limiting ring 6 for preventing the first shoulder union nut 2 from being separated from the horizontal elbow joint 3, the first limiting ring 6 abuts against the bottom end face of the fixed connecting pipe 1 and is sealed through a first sealing ring 7, and an internal thread matched with the external thread of the fixed connecting pipe 1 is arranged in the first shoulder union nut 2.

Similarly, the inlet end of the vertical bent joint 5 is provided with an external thread, the second flat shoulder loop nut 4 is sleeved outside the outlet end of the horizontal bent joint 3, the outlet end of the horizontal bent joint 3 is provided with a second limiting ring 8 for preventing the second flat shoulder loop nut 4 from being separated from the horizontal bent joint 3, the second limiting ring 8 abuts against the top end face of the vertical bent joint 5 and is sealed through a second sealing ring 9, and an internal thread matched with the external thread of the vertical bent joint 5 is arranged in the second flat shoulder loop nut 4.

In this embodiment, the inlet end (top end) of the fixed connection pipe 1 is a welded interface, and can be installed on a pipeline of a fire extinguishing system in a welding manner. The angle of the horizontal bent joint 3 is 90 degrees, the angle of the vertical bent joint 5 is also 90 degrees, both ends are in flat shoulder connector forms, and the two sealing rings are arranged in flat shoulder caulking grooves at both ends of the horizontal bent joint 3. The spray head 6 is a water spray or foam spray head and is in threaded connection with the threaded connector end of the inner pipe in the vertical bent joint 5. The first flat shoulder loop nut 2 is loosened, the horizontal bent joint 3 can rotate 360 degrees around the axial direction of the fixed connecting pipe 1, the second flat shoulder loop nut 4 is loosened, the vertical bent joint 5 can rotate 360 degrees around the axial direction of the horizontal bent joint 3, and the rotation directions of the two are mutually vertical, so that the dead-angle-free spraying of the spray head 6 is realized.

Example 2:

the difference from the embodiment 1 is that, as shown in fig. 5, the inlet end (top end) of the fixed connection pipe 1 is of a screw type structure, i.e., has an external thread 10, and is installed on a pipeline of a fire extinguishing system by means of screw connection.

Example 3:

the difference from the embodiment 1 is that, as shown in fig. 6, the inlet end (top end) of the fixed adapter 1 is of a flange structure, i.e. has a flange 11, and is mounted on the pipeline of the fire extinguishing system by means of flange connection.

Example 4:

the water-based fire-extinguishing system as shown in fig. 7 has a number of fire-extinguishing nozzles 13 with dead-angle-free connectors as described above distributed evenly on the piping 12 of the water-based fire-extinguishing system.

It should be noted that the parts not related to the present invention are the same as or can be implemented by using the prior art.

In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a shower nozzle of putting out a fire with no dead angle connector, includes the connector main part and sets up in the shower nozzle of connector main part output, its characterized in that: the connector main part is including dismantling fixed takeover, horizontal elbow that connects and perpendicular elbow that connects in proper order, the entry end that the horizontal elbow connects can be dismantled through the exit end of first flat shoulder loop nut with fixed takeover and be connected, and the exit end that the horizontal elbow connects extends to the horizontal direction after the circular arc transition, the entry end that the perpendicular elbow connects can be dismantled through the exit end that the second flat shoulder loop nut and horizontal elbow connect and be connected, and the exit end that the perpendicular elbow connects extends to the vertical direction after the circular arc transition, the exit end threaded connection that shower nozzle and perpendicular elbow connect.

2. The fire suppression sprinkler with a dead-angle connector according to claim 1, wherein: the inlet end of the fixed connecting pipe is of a welded type or threaded type or flange type structure.

3. The fire suppression sprinkler with a dead-angle connector according to claim 1, wherein: the outlet end of the fixed connecting pipe is provided with external threads, the first flat shoulder loop nut is sleeved outside the inlet end of the horizontal bent connection, the inlet end of the horizontal bent connection is provided with a first limiting ring for preventing the first flat shoulder loop nut from being separated from the horizontal bent connection, the first limiting ring abuts against the end face of the fixed connecting pipe, and internal threads matched with the external threads of the fixed connecting pipe are arranged in the first flat shoulder loop nut.

4. Fire suppression sprinkler with dead-angle free connector according to claim 3, characterized in that: and a first sealing ring is arranged between the first limiting ring and the end surface of the fixed connecting pipe.

5. The fire suppression sprinkler with a dead-angle connector according to claim 1, wherein: the inlet end of the vertical bent joint is provided with external threads, the second flat shoulder loop nut is sleeved outside the outlet end of the horizontal bent joint, the outlet end of the horizontal bent joint is provided with a second limiting ring for preventing the second flat shoulder loop nut from being separated from the horizontal bent joint, the second limiting ring is abutted against the end face of the vertical bent joint, and the second flat shoulder loop nut is internally provided with internal threads matched with the external threads of the vertical bent joint.

6. The fire suppression sprinkler with a dead-angle connector according to claim 5, wherein: and a second sealing ring is arranged between the second limiting ring and the end face which is vertically bent.

7. A water-based fire suppression system, characterized by: the water-based fire extinguishing system is distributed with a plurality of fire extinguishing nozzles with dead-angle-free connectors as claimed in any one of claims 1 to 6 on the pipeline.