CN211301879U

CN211301879U - Split type bidirectional rotation heavy raindrop fire control shower nozzle

Info

Publication number: CN211301879U
Application number: CN201921690744.5U
Authority: CN
Inventors: 彭斌; 赵力军; 张旭
Original assignee: Guangdong Zhongxiao Safety Equipment Co ltd
Current assignee: Guangdong Zhongxiao Safety Equipment Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-08-21
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a split type bidirectional rotation large raindrop fire-fighting spray head, which comprises a connecting column, wherein a first spray head module and a second spray head module are arranged at the periphery of the connecting column, and are in shaft connection with the connecting column; the connecting column is internally provided with a water flow channel, the first spray head module and the second spray head module are communicated with the water flow channel, the first spray head module comprises a first nozzle, the second spray head comprises a second nozzle, the first spray head module is driven by the first nozzle to rotate clockwise relative to the connecting column, and the second spray head module is driven by the second nozzle to rotate anticlockwise relative to the connecting column. The utility model effectively improves the spraying space range by arranging two spray head modules; and the rotating directions of the two spray head modules are opposite, so that the spray fluid surface is more uniformly covered.

Description

Split type bidirectional rotation heavy raindrop fire control shower nozzle

Technical Field

The utility model relates to a liquid sprays the field, especially heavy rain drops fire control shower nozzle.

Background

Liquid spraying is mainly used in the fields of fire control, gardens, dust removal, cleaning, temperature regulation and the like, a spray head is a main component of a spraying system, and the performance of the spray head directly influences the jet flow effect. The indexes of water saving performance, water flow distribution performance, coverage plane, coverage space, flow coefficient, intelligent control, reliability, durability and the like represent the comprehensive performance of the sprayer, wherein the water saving performance, the coverage space, the water flow distribution and the intelligent control are key factors for determining the competitiveness of the sprayer product, and the existing sprayer product on the market has larger promotion space.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: provides a spray head structure with wider spraying range.

The utility model provides a solution of its technical problem is: a split type bidirectional rotation large-raindrop fire-fighting nozzle comprises a connecting column, wherein a first nozzle module and a second nozzle module are arranged on the periphery of the connecting column and are in shaft connection with the connecting column; the connecting column is internally provided with a water flow channel, the first spray head module and the second spray head module are communicated with the water flow channel, the first spray head module comprises a first nozzle, the second spray head comprises a second nozzle, the first spray head module is driven by the first nozzle to rotate clockwise relative to the connecting column, and the second spray head module is driven by the second nozzle to rotate anticlockwise relative to the connecting column.

The utility model has the advantages that: the utility model effectively improves the spraying space range by arranging two spray head modules; and the rotating directions of the two spray head modules are opposite, so that the spray fluid surface is more uniformly covered.

As a further improvement of the above technical solution, the first spray head module is installed above the second spray head module, and the spray direction of the first spray nozzle forms an acute angle with the horizontal direction; the spraying direction of the second nozzle is parallel to the horizontal direction. The spraying direction of the first nozzle is inclined upwards.

The spraying direction of the first spray head module positioned above forms a certain elevation angle with the horizontal direction, the spraying initial direction of the spraying flow under the guidance of the spray nozzle also forms a parabolic shape with an elevation angle, and the proper caliber and the elevation angle of the spray nozzle are designed, so that the spraying range of the first spray nozzle is farther, and the space coverage is wider.

As a further improvement of the above technical scheme, the connecting column comprises an upper connecting column and a lower connecting column; the first spray head module comprises a first main body, the first spray nozzles are arranged on the periphery of the first main body, the second spray head module comprises a second main body, and the second spray nozzles are arranged on the periphery of the second main body; the upper end of the first main body is in shaft connection with the lower end of the upper connecting column, the lower end of the first main body is in shaft connection with the upper end of the lower connecting column, and the second main body is in shaft connection with the lower end of the lower connecting column.

Because the first sprayer module and the second sprayer module are respectively independent of the connection of the connecting column, the reverse thrust of the liquid spray forms a torque around the central axis of the connecting column, and the two sprayers are prompted to start to rotate around the central axis of the connecting column. The rotation allows for a wider coverage of the liquid spray and a more uniform coverage of the liquid.

And the connecting column is also divided into two independent structures, and the forward rotating nozzle module and the reverse rotating nozzle module do not interfere with each other in movement.

As a further improvement of the above technical scheme, the upper connecting column includes a column body, the upper end of the column body is equipped with the threaded connection section, the lower extreme of the column body is equipped with the connector, the external diameter of connector is greater than the external diameter of column body, first main part includes upper base body and upper cover, first nozzle sets up the periphery at the upper base body, be equipped with the through-hole in the upper base body, the column body and the threaded connection section of upper connecting column wear out the through-hole, the connector cover is in the upper base body, the upper base body is including holding the chamber, be equipped with the sealing washer in holding the chamber, the surface of sealing washer supports the inner wall in the chamber of upper base body, be equipped with a plurality of balls between the internal surface of sealing washer and the connector. By utilizing the structure, the first main body and the upper connecting column can be connected in a rotary sealing manner. And the structure is simple, and the processing and the production are convenient.

As a further improvement of the above technical scheme, the lower connecting column includes an upper flange and a lower flange, the second main body includes a lower base body and a lower sealing cover, the second nozzle is disposed at the periphery of the lower base body, the upper end of the lower connecting column is connected with the upper sealing cover in a rotary sealing manner, and the lower end of the lower connecting column is connected with the lower sealing cover in a rotary sealing manner.

As a further improvement of the above technical scheme, the upper sealing cover includes a second cavity, a sealing ring is disposed in the second cavity, an outer surface of the sealing ring abuts against an inner wall of the second cavity, and a plurality of balls are disposed between an inner surface of the sealing ring and the upper flange.

As a further improvement of the above technical solution, the structures of the upper cover and the lower cover are mirror images of each other.

As a further improvement of the technical scheme, the lower connecting column comprises an upper branch column and a lower branch column, the lower branch column is sleeved in the upper branch column, the upper flanging is arranged at the upper end of the upper branch column, and the lower flanging is arranged at the lower end of the lower branch column. The lower connecting column is assembled by two sub-columns, so that the production cost of the lower connecting column can be reduced, and the production efficiency is improved.

As a further improvement of the technical scheme, the periphery of the column body is provided with a mounting plane. By using the mounting plane, the main body can be directly screwed by using a tool such as a wrench.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. The preferred embodiment of the present invention is shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution. Meanwhile, all technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1 to 3, the split bidirectional rotary large-raindrop fire sprinkler comprises a connecting column 3, wherein a first sprinkler module 1 and a second sprinkler module 2 are arranged on the periphery of the connecting column 3, and the first sprinkler module 1 and the second sprinkler module 2 are in shaft connection with the connecting column 3; the connecting column 3 comprises a water flow channel, the first sprayer module 1 and the second sprayer module 2 are communicated with the water flow channel, the first sprayer module 1 comprises a first nozzle 11, the second sprayer module 2 comprises a second nozzle 21, the first nozzle 21 drives the first sprayer module 1 to rotate clockwise relative to the connecting column 3, and the second nozzle 21 drives the second sprayer module 2 to rotate anticlockwise relative to the connecting column. The first spray head module 1 is arranged above the second spray head module 2, and the spraying direction of the first spray nozzle 11 forms an acute included angle with the horizontal direction and inclines upwards; the ejection direction of the second nozzle 21 is parallel to the horizontal direction.

In some embodiments, the first sprayer module 1 may also be rotated counterclockwise relative to the column 3 and the second sprayer module 2 may be rotated clockwise relative to the column 3.

Further as a preferred embodiment, the connection column 3 comprises an upper connection column 31 and a lower connection column 32, the first spray head module 1 comprises a first body 12, the first nozzles 11 are arranged on the periphery of the first body 12, the second spray head module 2 comprises a second body 22, and the second nozzles 21 are arranged on the periphery of the second body 22; the upper end of the first body 12 is coupled to the lower end of the upper connecting column 31, the lower end of the first body 12 is coupled to the upper end of the lower connecting column 32, and the second body 22 is coupled to the lower end of the lower connecting column 32.

The upper connecting column 31 comprises a column 311, the outer surface of the column 311 is provided with a mounting plane, the upper end of the column 311 is provided with a threaded connection section 312, the lower end of the column 311 is provided with a connection port 313, the outer diameter of the connection port 313 is larger than that of the column 311, the first main body 12 comprises an upper base body 121 and an upper sealing cover 122, the first nozzle 11 is arranged on the periphery of the upper base body 121, a through hole is formed in the upper base body 121, the column 311 and the threaded connection section 312 of the upper connecting column 31 penetrate out of the through hole, the connection port 313 is sleeved in the upper base body 121, the upper base body 121 comprises a containing cavity 123, a sealing ring 4 is arranged in the containing cavity 123, the outer surface of the sealing ring 4 is abutted against the inner wall of the containing cavity 123 of the upper base body 121, and a plurality of balls 5 are arranged.

During assembly, the sealing ring 4 and the ball 5 are firstly sleeved outside the connecting port 313 of the upper connecting column 31, then the upper connecting column 31 penetrates through the through hole of the upper seat body 121 of the first main body 12, then the inner wall of the outer wall accommodating cavity 123 of the sealing ring 4 is tightly abutted together, meanwhile, the upper seat body 121 and the upper connecting column 31 can be in interference fit through the sealing ring 4, and finally, the upper sealing cover 122 is fixedly connected with the upper seat body 121.

The rotary sealing structure consisting of the cavity 123, the sealing ring 4, the plurality of balls 5 and the connecting port 313 has good elasticity and plasticity, so that when the rotary sealing structure works, liquid can be sprayed from a nozzle only and cannot overflow from a through hole of the upper seat body 121. Meanwhile, since the plurality of balls 5 are provided between the packing 4 and the connection port 313, when a reaction force of the sprayed water flows to the upper seat body 121, the upper seat body 121 and the packing 4 can be rotated together with respect to the upper connection column 31.

Further as a preferred embodiment, the lower connecting column 32 includes an upper branch column 321 and a lower branch column 322, the lower branch column 322 is sleeved in the upper branch column 321, an upper flange 323 is arranged at the upper end of the upper branch column 321, and a lower flange 324 is arranged at the lower end of the lower branch column 322.

The second body 22 includes a lower seat 221 and a lower cover 222, the second nozzle 21 is disposed on the periphery of the lower seat 221, the upper end of the lower connection column 32 is connected to the upper cover 121 by a rotary sealing structure similar to the upper seat 121, and the lower end of the lower connection column 32 is connected to the lower cover 222 by a rotary sealing structure similar to the upper seat 121.

During operation, at first assemble this split type two-way rotatory big raindrop fire control shower nozzle, assemble the back, owing to have the rotary seal structure of three groups, first shower nozzle module 1 can be relatively upper junction post 31 and lower junction post 32 rotary motion, and second shower nozzle module 2 can be relatively lower junction post 32 rotary motion.

The threaded connection section 312 of the upper connecting post 31 is then screwed into the external plumbing fitting and a wrench can be snapped onto the mounting surface of the post 311 to provide a greater mounting torque for ease of installation. After connecting outside water pipe, opening the water pipe, pressure orders about the inner space that liquid carried two shower nozzle modules through rivers passageway to spray out from the nozzle with certain initial velocity, simultaneously, because rotary seal structure's effect, liquid jet's thrust reaction forms a torque around the axis of spliced pole, makes two shower nozzle modules begin to rotate around the axis of spliced pole. The rotation allows for a wider coverage of the liquid spray and a more uniform coverage of the liquid.

The first nozzle positioned above the jet nozzle forms a certain elevation angle with the horizontal plane, the jet flow is guided by the channel path, the initial jet direction is also in a parabolic shape with an elevation angle, and the proper nozzle caliber and the elevation angle are designed, so that the jet flow range of the upper nozzle is farther, the space coverage is wider, and the jet flow mainly covers the outer space area. And the lower second spray nozzles are two, and the spray of the lower second spray head module 2 mainly covers the inner space area. The two spray head modules are independently connected to the connecting column by three sets of rotary sealing structures and can rotate at opposite angular velocities in response to the jet stream.

The first nozzle outlet velocity of flow of top is equivalent basically with the outlet velocity of flow of the second nozzle of below, but first nozzle can be certain angle of elevation and jets out, establishes velocity of flow v, and operating height h, upside nozzle outlet angle of elevation alpha, does not consider air resistance and upper and lower export difference in height, does not also consider the rotation of nozzle module, then upper and lower side export horizontal range is respectively:

wherein g is the gravity acceleration, it is obvious that the horizontal range of the first nozzle is larger than that of the second nozzle, the air resistance and the rotating centrifugal action of the spray head module during working are considered, the rotating speed is related to the opening position of the nozzle, and the actual range difference can be finely adjusted by the upper and lower rotating angular speeds and the opening position. In general, the range of the first nozzle on the upper side is farther, the spraying height is higher, and the spray space coverage and the ground area coverage on the upper side are effectively increased on the basis of the nozzles on the lower side.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides a split type two-way rotatory heavy rain drops fire control shower nozzle which characterized in that: the sprayer comprises a connecting column, wherein a first sprayer module and a second sprayer module are arranged on the periphery of the connecting column and are in shaft connection with the connecting column; the connecting column is internally provided with a water flow channel, the first spray head module and the second spray head module are communicated with the water flow channel, the first spray head module comprises a first nozzle, the second spray head comprises a second nozzle, the first spray head module is driven by the first nozzle to rotate clockwise relative to the connecting column, and the second spray head module is driven by the second nozzle to rotate anticlockwise relative to the connecting column.

2. The split type bidirectional rotary large raindrop fire sprinkler head of claim 1, wherein: the first spray head module is arranged above the second spray head module, and the spraying direction of the first spray nozzle forms an acute included angle with the horizontal direction; the spraying direction of the second nozzle is parallel to the horizontal direction.

3. The split type bidirectional rotary large raindrop fire sprinkler head of claim 2, wherein: the spraying direction of the first nozzle is inclined upwards.

4. The split type bidirectional rotary large raindrop fire sprinkler head of claim 1, wherein: the connecting column comprises an upper connecting column and a lower connecting column; the first spray head module comprises a first main body, the first spray nozzles are arranged on the periphery of the first main body, the second spray head module comprises a second main body, and the second spray nozzles are arranged on the periphery of the second main body; the upper end of the first main body is in shaft connection with the lower end of the upper connecting column, the lower end of the first main body is in shaft connection with the upper end of the lower connecting column, and the second main body is in shaft connection with the lower end of the lower connecting column.

5. The split type bidirectional rotary large raindrop fire sprinkler head of claim 4, wherein: the upper connecting column comprises a column body, a threaded connection section is arranged at the upper end of the column body, a connecting port is arranged at the lower end of the column body, the outer diameter of the connecting port is larger than that of the column body, the first main body comprises an upper base body and an upper sealing cover, the first nozzle is arranged at the periphery of the upper base body, a through hole is formed in the upper base body, the through hole is formed in the upper connecting column body and the threaded connection section in a penetrating mode, the connecting port is sleeved in the upper base body, the upper base body comprises a containing cavity, a sealing ring is arranged in the containing cavity, the outer surface of the sealing ring is supported against the inner wall of the containing cavity of the upper base body, and a plurality of balls.

6. The split type bidirectional rotary large raindrop fire sprinkler head of claim 5, wherein: the lower connecting column comprises an upper flanging and a lower flanging, the second main body comprises a lower base body and a lower sealing cover, the second nozzle is arranged on the periphery of the lower base body, the upper end of the lower connecting column is connected with the upper sealing cover in a rotating and sealing mode, and the lower end of the lower connecting column is connected with the lower sealing cover in a rotating and sealing mode.

7. The split type bidirectional rotary large raindrop fire sprinkler head of claim 6, wherein: the upper sealing cover comprises a second containing cavity, a sealing ring is arranged in the second containing cavity, the outer surface of the sealing ring abuts against the inner wall of the second containing cavity, and a plurality of balls are arranged between the inner surface of the sealing ring and the upper flanging.

8. The split type bidirectional rotary large raindrop fire sprinkler head of claim 7, wherein: the upper sealing cover and the lower sealing cover are in mirror symmetry.

9. The split type bidirectional rotary large raindrop fire sprinkler head of claim 8, wherein: the lower connecting column comprises an upper branch column and a lower branch column, the lower branch column is sleeved in the upper branch column, the upper flanging is arranged at the upper end of the upper branch column, and the lower flanging is arranged at the lower end of the lower branch column.

10. The split type bidirectional rotary large raindrop fire sprinkler head of claim 5, wherein: and the periphery of the column body is provided with a mounting plane.