An automatic control nozzle of a non-pressure storage suspended perfluorohexanone fire extinguishing device

Abstract

The utility model relates to a nozzle to solve the technical problems of the inherent defects of the existing pressure-storage perfluorohexanone fire extinguishing device, such as nitrogen leakage, insufficient pressure, and poor spraying effect. The utility model provides an automatic control nozzle for a non-pressure-storage suspended perfluorohexanone fire extinguishing device, including a valve body, which is divided into a cylindrical section and a conical section from top to bottom; a valve core is arranged in the cylindrical section of the valve body, and an inlet hole and a ball slide connected from top to bottom are opened in the middle of the valve core; a plurality of guide holes evenly distributed around the circumference of the ball slide are opened on the side of the ball slide; the connection point between the ball slide and the inlet hole is an arc-shaped transition surface, and a ball that can fit the arc-shaped transition surface is arranged in the ball slide; a guide column is arranged in the middle of the conical section of the valve body, and a spring is sleeved on the outside of the guide column; the two ends of the spring are respectively in contact with the ball and the inner wall of the conical section of the valve body; a plurality of spray holes evenly distributed around the guide column are opened on the side of the conical section of the valve body, and an atomizing nozzle is arranged in the spray hole.

Description

Technical Field

[0001] The utility model relates to a nozzle, in particular to an automatic control nozzle of a non-pressure storage suspension type perfluorohexanone fire extinguishing device. Background Art

[0002] With the continuous advancement of science and technology, people's fire safety requirements for buildings and facilities are also increasing. In this context, the suspended perfluorohexanone fire extinguishing system, as a modern fire extinguishing technology, has attracted widespread attention and application. The suspended perfluorohexanone fire extinguishing system has many advantages over traditional water, foam or dry powder fire extinguishing systems. First, perfluorohexanone has low toxicity, has little impact on the human body and the environment, and does not produce harmful byproducts. Secondly, the system will not cause damage to electronic equipment and is suitable for protecting places with dense electrical equipment, industrial production facilities, cultural heritage protection, oil and gas facilities and other fields.

[0003] The suspended perfluorohexanone automatic fire extinguishing device usually consists of a detachable nozzle, a pressure gauge, a fire extinguishing agent storage tank, an inflation valve, a bracket, perfluorohexanone fire extinguishing agent, and pre-filled driving nitrogen; however, the existing pressure storage perfluorohexanone fire extinguishing device has the defect of poor control effect during automatic control of injection. Utility Model Content

[0004] The utility model aims to solve the technical problem that the existing pressure storage type perfluorohexanone fire extinguishing device has poor control effect during automatic control spraying, and provides an automatic control nozzle of a non-pressure storage type suspended perfluorohexanone fire extinguishing device.

[0005] In order to solve the above technical problems, the technical solutions provided by the utility model are as follows:

[0006] An automatic control nozzle of a non-pressure storage suspended perfluorohexanone fire extinguishing device, comprising a valve body, which is divided into a cylindrical section and a conical section from top to bottom;

[0007] A valve core is arranged in the cylindrical section of the valve body, and an inlet hole and a ball slideway are arranged in the middle of the valve core, which are connected from top to bottom; a plurality of flow guide holes evenly distributed around the circumference of the ball slideway are arranged on the side of the ball slideway;

[0008] The connecting part between the ball slideway and the inlet hole is an arc-shaped transition surface, and a ball that can fit with the arc-shaped transition surface is arranged in the ball slideway;

[0009] A guide column is provided in the middle of the conical section of the valve body, and a spring is sleeved on the outside of the guide column; the two ends of the spring are respectively in contact with the ball and the inner wall of the conical section of the valve body;

[0010] A plurality of spray holes evenly distributed around the guide column are provided on the side surface of the conical section of the valve body, and an atomizing nozzle is provided in the spray hole.

[0011] Furthermore, the atomizing nozzle comprises a nozzle column, which is threadedly connected to the spray hole; an atomizing channel is provided in the middle of the nozzle column.

[0012] Furthermore, the atomization channel is formed by sequentially connecting an atomization inlet section, an intermediate compression section, a transition section and an atomization outlet section;

[0013] The atomization inlet section, the intermediate compression section and the atomization outlet section are all trumpet-shaped structures, and the openings of the trumpet-shaped structures of the atomization inlet section and the intermediate compression section are in opposite directions to the opening direction of the trumpet-shaped structure of the atomization outlet section;

[0014] The transition section is a cylindrical structure.

[0015] Further, the guide column is an adjusting bolt;

[0016] A mounting threaded hole for connecting the inside of the valve body with the outside is provided at the bottom of the conical section of the valve body, and the adjusting bolt is installed on the conical section of the valve body through the mounting threaded hole.

[0017] Furthermore, the exterior of the valve core is provided with an external thread, and the interior of the cylindrical section of the valve body is provided with an internal thread;

[0018] The valve core is connected with the internal thread of the valve body through the external thread.

[0019] Furthermore, the top of the valve core is provided with two valve core installation tool holes evenly distributed around the central axis thereof;

[0020] A plurality of nozzle installation tool holes are provided on the outer end surface of the nozzle cylinder;

[0021] The side surface of the conical section of the valve body is also provided with a plurality of evenly distributed two valve body installation tool holes.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] The utility model provides an automatic control nozzle for a non-pressure storage suspended perfluorohexanone fire extinguishing device. When in use, the valve body is installed below the fire extinguishing tank, and the fire extinguishing agent with pressure in the fire extinguishing tank enters the valve core from the inlet hole, pushing the ball to slide in the ball slideway of the valve core, so that the ball is separated from the arc-shaped transition surface, and the fire extinguishing agent enters the valve body from the guide hole, and is sprayed out after being atomized through the atomizing nozzle; when the pressure of the fire extinguishing agent is reduced to below the elastic force of the spring, the spring pushes the ball to slide in the ball slideway of the valve core, so that the ball fits the arc-shaped transition surface, and the fire extinguishing agent no longer enters the valve body, thereby realizing automatic control spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0025] Figure 2It is a three-dimensional structural schematic diagram of the valve core in the embodiment of the utility model;

[0026] Figure 3 This is an internal cross-sectional view of the valve core in the embodiment of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the valve body in the embodiment of the utility model. Figure 1 ;

[0028] Figure 5 This is a schematic diagram of the structure of the valve body in the embodiment of the utility model. Figure 2 ;

[0029] Figure 6 It is a three-dimensional structural schematic diagram of the atomizing nozzle in the embodiment of the utility model;

[0030] Figure 7 This is an internal cross-sectional view of the atomizing nozzle in the embodiment of the utility model;

[0031] Explanation of the accompanying drawings: 1-valve core, 11-inlet hole, 12-guide hole, 13-ball slide, 14-external thread, 15-valve core installation tool hole, 16-arc transition surface, 2-valve body, 21-cylindrical section, 22-conical section, 23-spray hole, 24-internal thread, 25-valve body installation tool hole, 26-installation threaded hole, 27-valve body outer thread, 3-ball, 4-spring, 5-atomizing nozzle, 51-nozzle cylinder, 52-atomizing inlet section, 53-intermediate compression section, 54-transition section, 55-atomizing outlet section, 56-nozzle installation tool hole, 6-adjusting bolt. DETAILED DESCRIPTION

[0032] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] like Figure 1 As shown, an automatic control nozzle of a non-pressure storage suspended perfluorohexanone fire extinguishing device is installed below a fire extinguishing tank through the external thread 14 of the valve body 2 when in use. It includes a valve body 2, which is divided into a cylindrical section 21 and a conical section 22 from top to bottom; a valve core 1 is arranged in the cylindrical section 21 of the valve body 2, as shown in FIG. Figure 2 As shown, the middle of the valve core 1 is provided with an inlet hole 11 and a ball 3 slideway 13 which are connected from top to bottom; the side of the ball 3 slideway 13 is provided with a plurality of guide holes 12 which are evenly distributed around its circumference;

[0034] like Figure 3As shown, the connecting point between the ball 3 slideway 13 and the inlet hole 11 is an arc-shaped transition surface 16, and the ball 3 that can fit with the arc-shaped transition surface 16 is arranged in the ball 3 slideway 13;

[0035] like Figure 1 As shown, a guide column is provided in the middle of the conical section 22 of the valve body 2, and a spring 4 is sleeved on the outside of the guide column; the two ends of the spring 4 are respectively in contact with the ball 3 and the inner wall of the conical section 22 of the valve body 2;

[0036] like Figure 1 and Figure 4 As shown, a plurality of spray holes 23 evenly distributed around the guide column are formed on the side surface of the conical section 22 of the valve body 2, and an atomizing nozzle 5 is disposed in the spray hole 23.

[0037] like Figure 6 and Figure 7 As shown, the atomizing nozzle 5 comprises a nozzle column 51, which is threadedly connected to the spray hole 23; an atomizing channel is provided in the middle of the nozzle column 51. The atomizing channel is formed by sequentially connecting an atomizing inlet section 52, an intermediate compression section 53, a transition section 54 and an atomizing outlet section 55; the atomizing inlet section 52, the intermediate compression section 53 and the atomizing outlet section 55 are all trumpet-shaped structures, and the openings of the trumpet-shaped structures of the atomizing inlet section 52 and the intermediate compression section 53 are opposite to the opening direction of the trumpet-shaped structure of the atomizing outlet section 55; the transition section 54 is a cylindrical structure.

[0038] like Figure 1 and Figure 4 As shown, the guide column is an adjusting bolt 6 ; a mounting threaded hole 26 for connecting the inside of the valve body 2 with the outside is opened at the bottom of the conical section 22 of the valve body 2 , and the adjusting bolt 6 is installed on the conical section 22 of the valve body 2 through the mounting threaded hole 26 .

[0039] like Figure 1 As shown, an external thread 14 is provided on the outside of the valve core 1 , and an internal thread 24 is provided on the inside of the cylindrical section 21 of the valve body 2 ; the valve core 1 is connected to the internal thread 24 of the valve body 2 via the external thread 14 .

[0040] like Figure 3 As shown, the top of the valve core 1 is provided with two valve core 1 installation tool holes evenly distributed around the central axis thereof;

[0041] like Figure 6 As shown, a plurality of nozzle installation tool holes 56 are provided on the outer end surface of the nozzle column 51;

[0042] like Figure 5 As shown, a plurality of evenly distributed two valve body installation tool holes 25 are also provided on the side surface of the conical section 22 of the valve body 2 .

[0043] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or replacements within the technical scope disclosed in the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An automatic control nozzle of a non-pressure storage suspended perfluorohexanone fire extinguishing device, characterized in that: The valve body (2) comprises a valve body (2), which is divided into a cylindrical section (21) and a conical section (22) from top to bottom; A valve core (1) is arranged in the cylindrical section (21) of the valve body (2); an inlet hole (11) and a ball slideway (13) communicating from top to bottom are arranged in the middle of the valve core (1); a plurality of flow guide holes (12) evenly distributed around the circumference of the ball slideway (13) are arranged on the side of the ball slideway (13); The connecting point between the ball slideway (13) and the inlet hole (11) is an arc-shaped transition surface (16), and a ball (3) that can fit with the arc-shaped transition surface (16) is arranged in the ball slideway (13); A guide column is provided in the middle of the conical section (22) of the valve body (2), and a spring (4) is sleeved on the outside of the guide column; two ends of the spring (4) are respectively in contact with the ball (3) and the inner wall of the conical section (22) of the valve body (2); A plurality of spray holes (23) evenly distributed around the guide column are provided on the side surface of the conical section (22) of the valve body (2), and an atomizing nozzle (5) is provided in the spray hole (23).

2. The automatic control nozzle of the non-pressure storage suspended perfluorohexanone fire extinguishing device according to claim 1 is characterized in that: The atomizing nozzle (5) comprises a nozzle column (51), which is threadedly connected to the spray hole (23); an atomizing channel is provided in the middle of the nozzle column (51).

3. The automatic control nozzle of the non-pressure storage suspended perfluorohexanone fire extinguishing device according to claim 2 is characterized in that: The atomization channel is formed by sequentially connecting an atomization inlet section (52), an intermediate compression section (53), a transition section (54) and an atomization outlet section (55); The atomization inlet section (52), the intermediate compression section (53) and the atomization outlet section (55) are all trumpet-shaped structures, and the openings of the trumpet-shaped structures of the atomization inlet section (52) and the intermediate compression section (53) are in opposite directions to the opening of the trumpet-shaped structure of the atomization outlet section (55); The transition section (54) is a cylindrical structure.

4. The automatic control nozzle of the non-pressure storage suspended perfluorohexanone fire extinguishing device according to claim 1 is characterized in that: The guide column is an adjusting bolt (6); A mounting threaded hole (26) for connecting the inside of the valve body (2) with the outside is provided at the bottom of the conical section (22) of the valve body (2), and the adjusting bolt (6) is mounted on the conical section (22) of the valve body (2) through the mounting threaded hole (26).

5. The automatic control nozzle of the non-pressure storage suspended perfluorohexanone fire extinguishing device according to claim 1 is characterized in that: The valve core (1) is provided with an external thread (14) on the outside, and the cylindrical section (21) of the valve body (2) is provided with an internal thread (24) on the inside; The valve core (1) is connected to the internal thread (24) of the valve body (2) via the external thread (14).

6. The automatic control nozzle of the non-pressure storage suspended perfluorohexanone fire extinguishing device according to claim 2 is characterized in that: The top of the valve core (1) is provided with two valve core (1) installation tool holes evenly distributed around the central axis thereof; A plurality of nozzle installation tool holes (56) are provided on the outer end surface of the nozzle column (51); The side surface of the conical section (22) of the valve body (2) is also provided with a plurality of evenly distributed two valve body installation tool holes (25).

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