CN218501176U

CN218501176U - Concealed water sprinkling nozzle

Info

Publication number: CN218501176U
Application number: CN202222696345.8U
Authority: CN
Inventors: 林峰; 王海娟
Original assignee: Tianjin Fire Research Institute of MEM
Current assignee: Tianjin Fire Research Institute of MEM
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-02-21
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a hidden sprinkler head, belonging to the field of fire fighting equipment, comprising a fixed sleeve, wherein the upper end of the fixed sleeve is fixed on a fire water pipe, the lower end of the fixed sleeve is provided with a protective cover, and the fixed sleeve is connected with the protective cover in a brazing mode so as to separate the fixed sleeve and the protective cover at a certain temperature; the fire-fighting water pipe is characterized by also comprising a nozzle main body which extends downwards into the protective cover, wherein a glass ball is arranged in the nozzle main body, and is jacked upwards in a conventional state so as to seal the interior of the nozzle main body with the fire-fighting water pipe; the inner ring of the fixed sleeve is provided with a coaxial fixed seat, the fixed seat and the fixed sleeve are fixed together, and the spray head main body is fixedly connected with the fixed seat. The utility model discloses simple structure, response speed is fast, and factor of safety is high.

Description

Concealed water sprinkling nozzle

Technical Field

The utility model belongs to the fire-fighting equipment field relates to the sprinkler head for fire hose, especially relates to in the certain space, pleasing to the eye for architectural layout to and the hidden sprinkler head of assurance security.

Background

The sprinkler is one kind of fire sprinkler shower nozzle, realizes spraying the in-process, and the water column is spray by a large margin, promotes the performance of putting out a fire, and the sprinkler has ordinary shower nozzle and hidden shower nozzle, and ordinary shower nozzle is the usual formula shower nozzle that stretches down from the roof promptly, is an explicit existence, discovers easily, and a lot of hotels or high-end building for the pleasing to the eye at indoor top, adopts hidden sprinkler more.

At present, domestic concealed water spraying nozzles are mostly as shown in figure 1, the concealed water spraying nozzles consist of glass ball nozzles, screw sleeve seats, outer cover seats (concealed cover seats) and outer cover covers (concealed cover covers), the nozzles and the screw sleeve seats are installed on pipelines of a pipe network together, the outer covers are installed again, the outer cover seats and the outer cover covers are welded into a whole by fusible alloy, dynamic thermal performance tests of a large number of wind tunnels are carried out, the dynamic thermal performance of the nozzles can only reach the sensitivity level of a standard response nozzle, even the level of the standard response nozzle can not be reached, sometimes, the conditions such as friction force and the like are found, the blocking condition is easy to occur, the splash plate can not fall smoothly or the inclination condition occurs in the falling process, the water column can not form a continuous and average water splashing process in the impact process, the spraying uniformity is influenced, and the fire extinguishing performance is further influenced.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract and the title of the present application to avoid obscuring the purpose of this section, the abstract and the title of the present application, and such simplifications or omissions cannot be used to limit the scope of the present invention.

In view of the problem that exists in the description of above-mentioned background art, the utility model discloses, consequently, the utility model discloses one of them purpose is to provide hidden watering shower nozzle, and the structure is simpler, more economical, stability is high, when taking place the conflagration and need put out a fire, the dish intensity that dabbles is better, spray the effect better, and area coverage is big, promotes fire extinguishing efficiency, and then promotes the security.

In order to solve the technical problem, the utility model discloses a technical scheme is: the concealed type sprinkling nozzle comprises a fixed sleeve, wherein the upper end of the fixed sleeve is fixed on a fire-fighting water pipe, the lower end of the fixed sleeve is provided with a protective cover, and the fixed sleeve and the protective cover are connected in a brazing mode so as to be separated at a certain temperature;

the fire-fighting water pipe is characterized by also comprising a nozzle main body which extends downwards into the protective cover, wherein a glass ball is arranged in the nozzle main body, and is jacked upwards in a conventional state so as to seal the interior of the nozzle main body with the fire-fighting water pipe;

the inner ring of the fixed sleeve is provided with a coaxial fixed seat, the fixed seat and the fixed sleeve are fixed together, and the spray head main body is fixedly connected with the fixed seat.

Furthermore, the fixed sleeve, the fixed seat and the shield are all bent by a metal plate to form an integral structure, the fixed sleeve is screwed on the fire-fighting water pipe through an external thread structure and is arranged in a sealing mode, and the fixed seat and the fixed sleeve are fixed through a thread structure.

Furthermore, the fixed sleeve is of a hollow sleeve structure, the section of the fixed sleeve is in an inverted T shape, the lower end of the fixed sleeve is provided with a plurality of connecting plates extending downwards and outwards, the middle of the outer side of each connecting plate is provided with a groove, and the two sides of the groove are fixedly soldered with the shield.

Furthermore, the middle of the fixing seat is provided with a fixing boss protruding upwards, the spray head main body is in threaded connection with the fixing boss, and the spray head main body is attached to the lower end face of the fixing seat through a shoulder structure to axially position the spray head main body.

Furthermore, the protective cover is a spherical surface, a curved surface, a conical surface or an N-shaped prismatic surface.

Furthermore, a plurality of air inlets are arranged below the protective cover, and the plurality of air inlets are circumferentially and uniformly distributed relative to the axis of the fixed sleeve.

Furthermore, the air inlets are arranged in a plurality of rows and a plurality of columns, and the upper row of holes and the lower row of holes are arranged in the middle of the adjacent holes in the upper row in the circumferential direction.

Furthermore, the upper end of the inner cavity of the nozzle main body is a conical section with a gradually reduced section, the lower end of the conical section is provided with a sealing seat, the outer ring of the sealing seat and the inner ring of the nozzle main body are sealed through a sealing ring, the lower end of the sealing ring is provided with a positioning hole, the upper end of the glass ball extends into the positioning hole, the lower end of the glass ball is arranged on an adjusting column, the adjusting column is arranged at the lower end of the nozzle main body, and the upper end and the lower end of the glass ball are adjusted up and down through threads.

Furthermore, the water splashing disc is of a sun gear structure, is axially positioned through a shoulder structure on the spray head main body, and is fixed at the lower end through a nut arranged on the spray head main body.

Furthermore, the nozzle main body is of a casting integrated structure.

Compared with the prior art, the utility model has the advantages and positive effect as follows.

1. The utility model discloses fixed cover and fire-fighting water pipe direct threaded connection, guard shield and fixed cover are brazed, built-in shower nozzle main part and the fixed cover threaded connection in the fixed cover, simple structure, the connection is convenient and fast, once conflagration takes place, under certain temperature, guard shield and fixed cover disconnection, the vitreous body fracture, the water column blowout this moment, shower nozzle main part lower extreme fixed splash box, there is not the unstable problem of whereabouts, so difficult to break down, response time can be faster, the security is high;

2. the fixing sleeve, the fixing seat and the protective cover in the utility model all adopt a metal plate integrated structure, the manufacturing cost is low, the structure is simple, the connection is more rapid through the connection in a threaded mode, no screw connecting part is added, the falling problem, the fault and the like are not easy to occur, and the structure of the threaded connection is convenient for maintenance and replacement;

3. the utility model discloses the lower extreme of the vitreous body is fixed through adjusting the post, adjusts the relative shower nozzle main part of post and can reciprocate through helicitic texture, makes things convenient for the installation and the fixed of the vitreous body, and convenient the regulation, the installation is swift rapid moreover, also can promote efficiency when the vitreous body breaks and changes again.

Drawings

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

FIG. 1 is a schematic view of a conventional sprinkler head according to the present invention;

FIG. 2 is a front view of the concealed sprinkler head of the present invention;

FIG. 3 is a schematic structural view of the concealed sprinkler head of the present invention;

FIG. 4 is a semi-sectional view of a cone-shaped shield of embodiment 1 of the concealed sprinkler head according to the present invention;

FIG. 5 is a semi-sectional view of a cover of embodiment 2 of the concealed sprinkler head of the present invention, which is circular;

fig. 6 is a schematic structural view of the fixing sleeve of the present invention;

fig. 7 is a schematic structural view of the protective cover of the present invention;

fig. 8 is a schematic structural view of the fixing base of the present invention;

fig. 9 is a schematic structural view of the head main body of the present invention.

Reference numerals:

1. fixing a sleeve; 11. a connecting plate; 12. a groove; 2. a shield; 21. an air inlet; 3. a fixed seat; 31. fixing the boss; 4. a nozzle body; 41. a sealing seat; 42. a seal ring; 43. a glass body; 44. an adjustment column; 5. a suspended ceiling; 6. a splash plate.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional space dimensions including length, width and depth should be included in the actual production

Again, it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 by those of ordinary skill in the art through specific situations.

In order to make the objects, technical solutions and advantages of the present invention clearer, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

According to the national standard part 1 of the automatic water spraying fire extinguishing system: sprinkler sensitivity of 4.3 th sprinkler of GB5135.1-2019 falls into three categories, 1. Quick response sprinkler: a sprinkler head with a response time coefficient (RTI) less than or equal to 50 (m × s) 0.5; 2. special response sprinkler head: a sprinkler head having an average response time coefficient (RTI) greater than 50 (m s) 0.5 and less than or equal to 80 (m s) 0.5; 3. standard response sprinkler: a sprinkler head with a response time coefficient (RTI) greater than 80 (m s) 0.5 and less than or equal to 350 (m s) 0.5.

As shown in fig. 2-9, the concealed sprinkler head comprises a fixed sleeve 1, wherein the upper end of the fixed sleeve 1 is fixed on a fire hose, the lower end of the fixed sleeve 1 is provided with a shield 2, and the fixed sleeve 1 and the shield 2 are connected in a brazing manner so as to be separated from each other at a certain temperature;

the fire-fighting water pipe is characterized by further comprising a nozzle body 4, the nozzle body 4 extends downwards into the shield 2, a glass ball is arranged in the nozzle body 4, and in a conventional state, the glass ball is jacked upwards to seal the interior of the nozzle body with the fire-fighting water pipe, after the glass ball is broken, water in the fire-fighting water pipe is sprayed out from the middle of an inner cavity at the upper end of the nozzle body 4 and falls onto a splash disc 6, and the splash disc 6 is fixed at the lower end of the nozzle body 4;

the inner ring of the fixed sleeve 1 is provided with the coaxial fixed seat 3 and the fixed seat 3 is fixed with the fixed seat, and the spray head main body 4 is fixedly connected with the fixed seat 3, so that the main body is fixed.

Preferably, fixed cover 1, fixing base 3 and guard shield 2 are bent by the panel beating and are made an organic whole structure, and fixed cover 1 is twisted soon on fire-fighting water pipe and the two is sealed to be set up through the external screw thread structure, and fixing base 3 is fixed through the helicitic texture with fixed cover 1, simple structure, and it is convenient to connect, and the part is less moreover, does not have intermediate junction spare, and the installation is swift convenient more, is difficult to break down, promotes the security.

Preferably, fixed cover 1 is hollow cover structure and the section is the T shape of invering, and the lower extreme of fixed cover 1 is equipped with a plurality of connecting plates 11 that downward and outside extend, and the outside middle part of connecting plate 11 is equipped with recess 12, and the both sides of recess 12 are brazed with guard shield 2 and are connect fixedly, and the reducible fixed cover 1 of such structure and guard shield 2 area of contact, the position that the fixed brazing connects is favorable to taking place the conflagration high temperature, and the two breaks away from back guard shield 2 rapidly and drops, and the water column is spout in time.

In order to improve the thermal response performance of the glass ball, hot air flow is conducted to the glass ball rapidly, a gap of 1-2 mm is reserved between the protective cover 2 and a suspended ceiling 5 of a house, the larger the gap is, the more rapid the hot air flow conduction is, but the larger the gap is, the ornamental performance of the concealed type spray head is damaged, insects such as mosquitoes can enter the concealed type spray head to cause unnecessary troubles, after a large number of dynamic thermal tests, the domestic common concealed type spray head with the gap of 1-2 mm can reach a standard response level, further, the air inlet holes 21 arranged on the protective cover 2 facilitate the hot air flow to pass through, the thermal sensitivity is greatly improved, and more preferably, a plurality of air inlet holes 21 are arranged below the protective cover 2 and are circumferentially and uniformly distributed relative to the axis of the fixed sleeve 1, so that the air inlet with a plurality of angles and uniform directions is ensured, and the reaction of full-angle sensitivity is realized; more preferably, the inlet port 21 divide into multirow multiseriate setting, on the circumferential direction position, lower row of hole is located the centre setting of the adjacent hole in the upper row, the homogeneity of admitting air has further been guaranteed, what the inlet port 21 set up does not do specific restriction, its main function is to make outside high-temperature gas enter into the inside of guard shield 2, guarantee that the glass ball is in time induction explosion under high temperature, the water column blowout, the explosion temperature of glass ball is about 68 degrees, this temperature is the temperature that sets up in the fire control standard, the selection of glass ball and settlement set for according to the trade standard select can, do not prescribe a limit to the glass ball in this application, also do not have special requirement.

Preferably, the middle part of fixing base 3 is equipped with the fixed boss 31 of epirelief, shower nozzle main part 4 and fixed boss 31 threaded connection, shower nozzle main part 4 passes through circular bead structure and 3 lower terminal surface laminating of fixing base, carries out 4 axial of shower nozzle main part and goes up the location, threaded connection's simple structure, and convenient operation is swift, can realize quick change, the routine maintenance of being convenient for, if real conflagration breaing out, also convenient and fast more when using the new watering shower nozzle of after-fixing.

Preferably, the protective cover 2 is a spherical surface, a curved surface, a conical surface or an N-shaped prism surface, as long as the protective cover can cover the nozzle body 4 which is arranged to protrude downwards, and as for the specific shape, the protective cover is matched according to the arranged architectural style, so that the protective cover is mostly beautiful.

Preferably, the upper end of the inner cavity of the nozzle body 4 is a tapered section with a gradually reduced section, so that the water pressure of the discharged water is higher, the sprayed water flow is more urgent, the splashing distance is farther, the fire extinguishing range is larger, the lower end of the tapered section is provided with a sealing seat 41, the outer ring of the sealing seat 41 and the inner ring of the nozzle body 4 are sealed through a sealing ring 42, the sealing in the fixed state of the glass ball is ensured, the lower end of the sealing ring 42 is provided with a positioning hole, the upper end of the glass ball extends into the positioning hole and is arranged in the same structure as a conventional water spraying nozzle, the lower end of the glass ball is arranged on an adjusting column 44, the adjusting column 44 is arranged at the lower end of the nozzle body 4, the upper end and the lower end of the nozzle body 4 are adjusted up and down through threads, the position of the adjusting column 44 relative to the nozzle body 4 can be adjusted up and down, the fixing of the glass ball is realized, and the structure is simpler.

Preferably, splash box 6 is the sun tooth structure, splash box 6 is fixed through establishing the nut on shower nozzle body 4 in the shoulder structure axial, the lower extreme is fixed, splash box 6 is the fire control field, common part on the shower nozzle belongs to the commodity of purchasing in the market, at practical application's in-process, according to the size of specification select use can, more preferably, shower nozzle body 4 is foundry goods integrated into one piece, under the prerequisite of mass production, foundry goods direct forming, but reduce cost.

In practical application's in-process, at first twist fixed cover 1 soon on fire water pipe, then install fixing base 3, with fixed 1 threaded connection of cover, carry out the threaded connection of shower nozzle main part 4 and fixing base 3 again, all the other parts carry out fixed connection according to the structure of above-mentioned description, guard shield 2 and fixed cover 1 are brazed and are fixed at last, in case the conflagration takes place, the temperature rises, steam enters into in guard shield 2 through inlet port 21, after the temperature reaches certain numerical value, guard shield 2 and fixed cover 1 break away from, the glass ball explosion, the inner chamber blowout of shower nozzle main part 4 is followed to the water column, the water column descends and strikes on splash tray 6, the gondola water faucet effect has been realized, the watering area has been enlarged, the whereabouts process of splash tray 6 is not involved to above structure, direct temperature response back action, the structure is simpler, the reaction is more direct, the security has been promoted.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. Hidden watering shower nozzle, its characterized in that: the fire-fighting water pipe comprises a fixed sleeve, wherein the upper end of the fixed sleeve is fixed on a fire-fighting water pipe, the lower end of the fixed sleeve is provided with a shield, and the fixed sleeve and the shield are connected in a brazing mode so as to be separated at a certain temperature;

2. The concealed sprinkler head of claim 1, wherein: the fire hose fixing device is characterized in that the fixing sleeve, the fixing seat and the protective cover are all made of metal plates through bending into an integral structure, the fixing sleeve is screwed on the fire hose through an external thread structure, the fixing sleeve and the fire hose are arranged in a sealing mode, and the fixing seat and the fixing sleeve are fixed through a thread structure.

3. The concealed sprinkler head of claim 2, wherein: the fixed cover is of a hollow cover structure, the section of the fixed cover is in an inverted T shape, the lower end of the fixed cover is provided with a plurality of connecting plates which extend downwards and outwards, the middle of the outer side of each connecting plate is provided with a groove, and the two sides of the groove are fixedly soldered with the shield.

4. The concealed sprinkler head of claim 1, wherein: the middle part of the fixing seat is provided with a fixing boss protruding upwards, the spray head main body is in threaded connection with the fixing boss, and the spray head main body is attached to the lower end face of the fixing seat through a circular bead structure to axially position the spray head main body upwards.

5. The concealed sprinkler head according to any one of claims 1-4, wherein: the protective cover is a spherical surface, a curved surface, a conical surface or an N-shaped prismatic surface.

6. The concealed sprinkler head according to any one of claims 1-4, wherein: the lower part of guard shield is equipped with a plurality of inlet ports, and is a plurality of the inlet port is relative the axis circumference equipartition setting of fixed cover.

7. The concealed sprinkler head of claim 6, wherein: the air inlet holes are arranged in multiple rows and multiple columns, the circumferential positions are upper, and the lower row of holes are arranged in the middle of the upper row of adjacent holes.

8. The concealed sprinkler head according to any one of claims 1-4, wherein: the upper end of the inner cavity of the sprayer main body is a conical section with a gradually reduced section, the lower end of the conical section is provided with a sealing seat, an outer ring of the sealing seat is sealed with an inner ring of the sprayer main body through a sealing ring, the lower end of the sealing ring is provided with a positioning hole, the upper end of a glass ball extends into the positioning hole, the lower end of the glass ball is arranged on an adjusting column, and the adjusting column is arranged at the lower end of the sprayer main body and the lower end of the sprayer main body are adjusted up and down through threads.

9. The concealed sprinkler head according to any one of claims 1-4, wherein: the splash plate is of a sun gear structure, is axially positioned through a shoulder structure on the spray head main body, and is fixed at the lower end through a nut arranged on the spray head main body.

10. The concealed sprinkler head according to any one of claims 1-4, wherein: the nozzle main body is of a casting integrated structure.