CN215231794U

CN215231794U - Spray head for fire water system

Info

Publication number: CN215231794U
Application number: CN202120222550.3U
Authority: CN
Inventors: 黄种斗; 尤志伟; 林良明; 谢志伟; 庄彬洪
Original assignee: Fujian Minshan Fire Fighting Co ltd
Current assignee: Fujian Minshan Fire Fighting Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-12-21
Anticipated expiration: 2031-01-27

Abstract

The utility model provides an increase spray area, practice thrift fire control cost's shower head for fire water system, including be used for with outside water piping connection's connecting pipe, be used for fixed temperature to rise to the cracked heat-sensitive element's of rated temperature fixing base and locate the splash box on the fixing base, common cover is equipped with the spray set that increases the spray range on connecting pipe and the fixing base, be equipped with the lift play water installation that is used for making spray set and lower part splash box spray jointly on the fixing base.

Description

Spray head for fire water system

Technical Field

The utility model belongs to the technical field of the fire-fighting equipment and specifically relates to a shower head for fire-fighting water system is related to.

Background

The fire-fighting spray head is a spray head which is automatically started in a preset temperature range under the action of heat or is started by control equipment according to a fire signal and sprays water to extinguish fire according to a designed water spraying shape and flow.

The existing thermal induction fire-fighting nozzle scatters water through a water splashing disc, the water coverage range is limited, the place far away from the thermal induction fire-fighting nozzle cannot be put out a fire, a plurality of thermal induction fire-fighting nozzles need to be installed, and the fire-fighting cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an increase spray area, practice thrift fire control cost's shower head for fire water system to prior art's defect and not enough.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a spray head for a fire water system comprises a connecting pipe connected with an external water pipe, a fixing seat used for fixing a heat sensitive element which can be broken when the temperature rises to a rated temperature, and a water splashing disc arranged on the fixing seat, wherein a spraying device used for increasing the spraying range is sleeved on the connecting pipe and the fixing seat together, and a lifting water outlet device used for enabling the spraying device and the lower water splashing disc to spray together is arranged on the fixing seat.

The further improvement is that: the spraying device is a hollow spraying box, the spraying box is sleeved between the connecting pipe and the fixing seat, a plurality of water spraying holes are formed in the lower end face of the spraying box, and the spraying box is communicated with a water outlet of the connecting pipe.

The further improvement is that: the lifting water outlet device comprises a lifting disc and a lifting rod arranged on the lifting disc, the lifting disc is located in the spraying box and is abutted to the connecting pipe, a sliding groove for the lifting rod to slide downwards is formed in the fixing seat, a first water outlet channel for water flow to pass through is formed in the lifting disc, and the first water outlet channel is sealed between the lifting disc and the fixing seat through the heat sensitive element.

The further improvement is that: and a sealing device is arranged between the lifting disc and the connecting pipe.

The further improvement is that: the sealing device is as follows: the upper end of the lifting disc is provided with a sealing groove communicated with the outside in a surrounding manner, the lower end of the connecting pipe is provided with a sealing plate in a surrounding manner, and the sealing plate is arranged in the sealing groove in a penetrating manner.

The further improvement is that: an elastic part is arranged between the connecting pipe and the lifting disc, and one end of the elastic part is fixedly arranged on the lifting disc or the connecting pipe.

The further improvement is that: the elastic piece is a spring.

The further improvement is that: and a sealing ring is arranged at one end of the first water outlet channel connected with the heat sensitive element.

The further improvement is that: and a plurality of water spraying holes are formed in the side surface of the spraying box.

The further improvement is that: and a second water outlet channel for water flow to pass through is formed in the water splashing disc, and the diameter of the second water outlet channel is smaller than that of the first water outlet channel.

By adopting the technical scheme, the beneficial effects of the utility model are that: use the utility model has the advantages of it is following:

1. the utility model discloses when using, with the glass post with the lifting disk jacking and with the glass post spacing on the fixing base, make the seal groove on the lifting disk and the sealing block on the connecting pipe, make the water restriction in the space that lifting disk and sealing formed, when the conflagration breaing out, the glass post is heated and is broken, the lifting disk loses to pushing back in the fixing base, water is full of and sprays the box and follow the first exhalant canal of lifting disk, the lower terminal surface of spraying the box and the hole for water spraying blowout of side, the area that sprays of increase, the scope of putting out a fire has been enlarged.

2. One end that first water outlet channel and glass post are connected is equipped with the sealing washer, has increased sealed effect, can further prevent that water from flowing out.

3. The utility model discloses when the conflagration does not take place, the spring receives the extrusion of lifting disk to be in compression state, produces elasticity and acts on the lifting disk, and when the conflagration took place, the glass post was heated and is broken, and the lifting disk loses the support of glass post and can't maintain the compression to the spring, and under the effect of the elasticity of spring and lifting disk self gravity, the lifting disk falls back to the fixing base more fast, has reduced the time that rivers flowed, can begin to put out a fire sooner.

4. The diameter of the first water outlet channel is smaller than the inner diameter of the connecting pipe, so that most of water in the connecting pipe is used for filling the spraying box and cannot flow out of the first water outlet channel, the diameter of the second water outlet channel is smaller than that of the first water outlet channel, a part of water can flow out of the second water outlet channel, flames below the fixing seat are cast out, and fire extinguishing blind areas are eliminated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the present invention when not extinguishing a fire;

FIG. 3 is a cross-sectional view of the present invention in extinguishing a fire;

fig. 4 is a bottom view of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 4, the technical solution adopted by the present embodiment is: a spray head for a fire water system comprises a connecting pipe 1 used for being connected with an external water pipe, a fixed seat 3 used for fixing a heat sensitive element which can be broken when the temperature rises to a rated temperature, and a splash pan 4 arranged on the fixed seat 3, wherein the heat sensitive element is a glass column 2, the splash pan 4 is in threaded connection with the fixed seat 3, a spray device used for increasing the spray range is sleeved on the connecting pipe 1 and the fixed seat 3 together, the spray device is a hollow spray box 5, the spray box 5 is sleeved between the connecting pipe 1 and the fixed seat 3, a plurality of water spray holes 51 are formed in the lower end face and the side face of the spray box 5, the spray box 5 is communicated with a water outlet 11 of the connecting pipe 1, a lifting water outlet device used for enabling the spray box 5 and the lower splash pan 4 to spray together is arranged on the fixed seat 3, and the lifting water outlet device comprises a lifting pan 61 and a lifting rod 62 arranged on the lifting pan 61, the lifting disc 6 is located in the spraying box 5 and is abutted against the connecting pipe 1, the fixed seat 3 is provided with a chute 63 for the lifting rod 62 to slide downwards, the lifting disc 61 is provided with a first water outlet channel 64 for water flow to pass through, the first water outlet channel 64 is sealed between the lifting disc 61 and the fixed seat 3 through the glass column 2, one end of the first water outlet channel 64 connected with the glass column 2 is provided with a sealing ring 65, so that the sealing effect is improved, water can be further prevented from flowing out, a sealing device is arranged between the lifting disc 61 and the connecting pipe 1, and the sealing device is characterized in that: the upper end of the lifting disc 61 is provided with a sealing groove 71 communicated with the outside in a surrounding manner, the lower end of the connecting pipe 1 is provided with a sealing plate 72 in a surrounding manner, the sealing plate 72 is arranged in the sealing groove 71 in a penetrating manner, an elastic member is arranged between the connecting pipe 1 and the lifting disc 61, one end of the elastic member is fixedly arranged on the lifting disc 61 or the connecting pipe 1, the elastic member is a spring 73, when a fire disaster does not occur, the spring 73 is compressed by the lifting disc 61 to generate elastic force to act on the lifting disc 61, when the fire disaster occurs, the glass column 2 is heated and broken, the lifting disc 61 loses the support of the glass column 2 and cannot maintain the compression of the spring 73, under the action of the elastic force of the spring 73 and the self gravity of the lifting disc 61, the lifting disc 61 falls back to the fixed seat 3 more quickly, the time for water flow out is shortened, the fire can be extinguished more quickly, the water splashing disc 4 is provided with a second water outlet channel 41 for water flow to pass through, the diameter of the second water outlet channel 41 is smaller than that of the first water outlet channel 64, so that part of water flowing out of the first water outlet channel 64 can flow out of the second water outlet channel 41, flames below the fixed seat 3 can be extinguished, and fire extinguishing dead zones are eliminated.

During production, the spraying box 5 is firstly averagely divided into a left part and a right part, the divided spraying box 5 is sleeved outside the connecting pipe 1 and the fixing seat 3, the spraying box 5 is connected with the connecting pipe 1 and the fixing seat 3 by glue or welding and the like, and the divided spraying box 5 is bonded into a whole again.

The working principle is as follows: the utility model discloses when using, with the jacking of glass post 2 with lifting disk 61 and with glass post 2 spacing on fixing base 3, make seal groove 71 on the lifting disk 61 and the sealing part 72 block on the connecting pipe 1, make the water restriction in the space that lifting disk 61 and sealing part 72 formed, when the conflagration breaing out, glass post 2 is heated and is broken, lifting disk 61 loses in supporting withdrawal fixing base 3, water is full of and sprays box 5 and from lifting disk 61's first water passageway 64, the hole for water spraying 51 blowout of the lower terminal surface of spraying box 5 and side, put out flame.

Having shown and described the basic principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims and their equivalents. The details of the present invention are well known to those skilled in the art.

Claims

1. The utility model provides a shower head for fire water system, includes the connecting pipe that is used for with outside water piping connection, is used for the fixing base of the broken heat-sensitive element of fixed temperature rising to rated temperature and locates the splash box on the fixing base, its characterized in that: the spray device for increasing the spray range is sleeved on the connecting pipe and the fixing seat together, and the fixing seat is provided with a lifting water outlet device for enabling the spray device and the lower splash pan to spray together.

2. A fire hose system sprinkler according to claim 1, wherein: the spraying device is a hollow spraying box, the spraying box is sleeved between the connecting pipe and the fixing seat, a plurality of water spraying holes are formed in the lower end face of the spraying box, and the spraying box is communicated with a water outlet of the connecting pipe.

3. A fire hose system sprinkler according to claim 1, wherein: the lifting water outlet device comprises a lifting disc and a lifting rod arranged on the lifting disc, the lifting disc is located in the spraying box and is abutted to the connecting pipe, a sliding groove for the lifting rod to slide downwards is formed in the fixing seat, a first water outlet channel for water flow to pass through is formed in the lifting disc, and the first water outlet channel is sealed between the lifting disc and the fixing seat through the heat sensitive element.

4. A fire hose system sprinkler according to claim 3, wherein: and a sealing device is arranged between the lifting disc and the connecting pipe.

5. A fire fighting water system sprinkler head according to claim 4, wherein: the sealing device is as follows: the upper end of the lifting disc is provided with a sealing groove communicated with the outside in a surrounding manner, the lower end of the connecting pipe is provided with a sealing plate in a surrounding manner, and the sealing plate is arranged in the sealing groove in a penetrating manner.

6. A fire fighting water system sprinkler head according to claim 5, characterized in that: an elastic part is arranged between the connecting pipe and the lifting disc, and one end of the elastic part is fixedly arranged on the lifting disc or the connecting pipe.

7. A fire hose system sprinkler according to claim 6, wherein: the elastic piece is a spring.

8. A fire hose system sprinkler according to claim 3, wherein: and a sealing ring is arranged at one end of the first water outlet channel connected with the heat sensitive element.

9. A fire hose system sprinkler according to claim 2, wherein: and a plurality of water spraying holes are formed in the side surface of the spraying box.

10. A fire hose system sprinkler according to claim 3, wherein: and a second water outlet channel for water flow to pass through is formed in the water splashing disc, and the diameter of the second water outlet channel is smaller than that of the first water outlet channel.