Flush type spray header

Abstract

The utility model relates to a fire-fighting device, in particular to a flush type spray header which comprises a connector connected with an external fire-fighting water pipe, a connecting base of a hollow structure is arranged on the lower surface of the connector, the connecting base is of a square structure, and a water plugging block is clamped in the connecting base. The left side and the right side of the lower surface of the connecting base are each provided with a connecting column arranged in the vertical direction, a mounting base is fixedly connected between the two connecting columns, a glass bulb is clamped between the mounting base and the water plugging block, a fixing block is fixedly arranged in the middle of each connecting column and provided with a through hole, a guide rod is sleeved with the through hole, and a water splashing disc is fixedly arranged at the lower end of the guide rod. The connecting column penetrates through the through hole and is connected with a decorative plate; according to the utility model, the flatness of a ceiling after the spray head is mounted can be ensured, the aesthetic degree of interior decoration of a building is ensured, meanwhile, the structure is simple, the mounting and the maintenance are convenient, and an excellent fire protection guarantee function is realized.

Description

Technical Field

[0001] The utility model relates to a fire-fighting device, in particular to a flush type sprinkler head. Background Art

[0002] Sprinkler heads can effectively prevent the spread of fire, among which drooping sprinkler heads are particularly common. They are arranged on the ceiling to prevent the spread of fire. With the development of building interior decoration and the improvement of people's requirements for interior decoration, honeycomb panels are widely used in the decoration of building ceilings. People have higher and higher requirements for the flatness of the ceiling. The traditional drooping sprinkler heads protrude from the decorated ceiling, affecting the overall aesthetics of the ceiling. The traditional hidden sprinkler heads have slow heat conduction, which delays the action time of the glass bulb and prolongs the fire extinguishing time. At the same time, their structure is complex and the clamping parts are complex. Not only are they expensive and the price is high, but once they are damaged, the repair and maintenance costs are high, which is not conducive to large-scale use and the market acceptance is generally not high.

[0003] Therefore, there is an urgent need for a flush sprinkler head, which can ensure the flatness of the ceiling after the sprinkler head is installed, ensure the aesthetics of the building interior ceiling decoration, and at the same time has a simple structure, is easy to install and maintain, and has excellent fire protection functions. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a flush sprinkler head, which can ensure the flatness of the ceiling after the sprinkler head is installed, ensure the aesthetics of the building interior ceiling decoration, and at the same time has a simple structure, is easy to install and maintain, and has excellent fire protection function.

[0005] The utility model adopts the following technical solutions:

[0006] A flush sprinkler head comprises a connector connected to an external fire water pipe, a hollow connecting base is provided on the lower surface of the connector, the connecting base is in a cubic structure, a water blocking plug is clamped in the connecting base, a connecting column arranged in a vertical direction is provided on the left and right sides of the lower surface of the connecting base, a mounting base is fixedly connected between the two connecting columns, a glass bubble is clamped between the mounting base and the water blocking plug, a fixing block is fixedly provided at the middle of the connecting column, a thread is provided on the outer surface of the side wall of the fixing block, a through hole is provided in the vertical direction of the fixing block, a guide rod is sleeved in the through hole, a clamping plate is fixedly provided on the top of the guide rod, a splash plate is fixedly provided at the lower end of the guide rod, a through hole is opened on the splash plate at a position relative to the connecting column, a decorative plate is connected to the connecting column through the through hole, and a mounting cylinder is threadedly connected to the outer side of the fixing block; when the connecting column is connected to the decorative plate, the lower surface of the decorative plate and the lower surface of the mounting cylinder are on the same horizontal plane.

[0007] When there is no fire, in order to ensure that the decorative plate and the installation cylinder are on the same horizontal plane, the lower end of the connecting column penetrates the splash plate and is connected to the decorative plate. The lower surface of the lower end of the connecting column is welded to the decorative plate through a low-temperature fusible alloy. The low-temperature fusible alloy uses a fire-fighting low-temperature tin alloy with a melting point of 47-62°C. The fire-fighting low-temperature tin alloy preferably uses a 58°C low-temperature tin alloy for welding connection. The glass bulb uses a fire-fighting glass bulb with a bursting action temperature of 68°C. When a fire occurs, under the action of high temperature, the low-temperature fusible alloy melts, the decorative cover falls off the connecting column, and the high-temperature airflow at the bottom forms convection in the installation cylinder, causing a large amount of high-temperature air to quickly enter the installation cylinder, the glass bulb bursts, and the fire-fighting water is sprayed out. The splash plate moves down at the same time and moves to the bottom of the lower surface of the installation cylinder to ensure the range of the fire-fighting water spray and the fire-fighting function.

[0008] At the same time, in order to further improve the flatness of the bottom surface of the device and ensure the smooth downward movement of the splash plate in the event of a fire, the installation cylinder includes a cylinder body with a circular ring structure and a connecting ring fixed in a horizontal direction on the lower surface of the cylinder body. The shortest distance in the horizontal direction between the outer edge of the decorative panel and the inner side surface of the adjacent cylinder body is 2-6mm.

[0009] From the above description of the structure of the utility model, it can be seen that compared with the prior art, the utility model has the following advantages: 1. The decorative plate of the utility model and the lower surface of the installation cylinder for installation and clamping on the ceiling are on the same horizontal plane, which ensures the flatness of the ceiling, improves the aesthetics of the ceiling, and meets people's aesthetic requirements for building interior decoration. At the same time, the utility model has a simple structure, the decorative plate is positioned as a movable positioning, and the splash plate is set to slide. Once a fire occurs, the decorative plate is separated from the connecting column, the glass bubble bursts, and the splash plate moves down to ensure the fire-fighting effect; 2. The connecting base adopts a square structure, which is convenient for users to install the utility model on the fire water pipe through tools such as wrenches, thereby improving the convenience of user installation and maintenance; 3. The cylinder body with upper and lower openings in a circular ring structure is adopted to form an air circulation channel. Once a fire occurs, the decorative plate falls to form an air convection channel, which can ensure that the high-temperature smoke under the device effectively and quickly enters the interior of the device, ensures the timely bursting of the glass bubble, and ensures the fire-fighting performance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 A three-dimensional diagram of the utility model Figure 1 ;

[0011] Figure 2 A three-dimensional diagram of the utility model Figure 2 ;

[0012] Figure 3 This is a three-dimensional schematic diagram of the utility model Figure 1 ;

[0013] Figure 4 This is a three-dimensional schematic diagram of the utility model Figure 2 ;

[0014] Figure 5 This is a three-dimensional schematic diagram of the utility model Figure 3 ;

[0015] The meanings of the symbols in the accompanying drawings are as follows:

[0016] 1-connecting head, 11-connecting base, 111-water blocking block, 12-connecting column, 13-mounting base, 14-glass bulb, 2-fixing block, 21-thread, 22-through hole, 3-splashing plate, 31-perforation, 4-decorative plate, 5-guide rod, 51-clamp plate, 6-mounting cylinder, 61-cylinder body, 62-connecting ring. DETAILED DESCRIPTION

[0017] The specific implementation of the present utility model is described below with reference to the accompanying drawings.

[0018] See also Figures 1 to 5 A flush sprinkler head includes a connector 1 connected to an external fire hose. A hollow connecting base 11 is provided on the lower surface of the connector 1. The connecting base 11 is a cubic structure. A water blocking block 111 is clamped in the connecting base 11. A connecting column 12 is provided on both sides of the lower surface of the connecting base 11. A mounting base 13 is fixedly connected between the two connecting columns 12. A glass bulb 14 with an action bursting temperature of 68°C is clamped between the mounting base 13 and the water blocking block 111. The middle of the connecting column 12 is provided with a connecting column 12. A fixing block 2 is fixedly provided, a thread 21 is provided on the outer surface of the side wall of the fixing block 2, a through hole 22 is provided in the vertical direction, a guide rod 5 arranged in the vertical direction is sleeved in the through hole 22, a clamping plate 51 is provided on the top of the guide rod 5, a splash plate 3 is fixedly connected to the lower end of the guide rod 5, a through hole 31 is opened on the splash plate 3 at a position relative to the connecting column, the connecting column 12 passes through the through hole 31 and is connected with a decorative plate 4; the outer side of the fixing block 2 is threadedly connected to a mounting cylinder 6; when there is no fire, the lower surface of the decorative plate 4 and the lower surface of the mounting cylinder 6 are on the same horizontal plane.

[0019] The connection column 12 and the decorative plate 4 are connected by a low-temperature tin alloy with a melting point of 58°C, and the bursting temperature of the glass bulb 14 is 68°C.

[0020] The mounting cylinder 6 comprises a cylinder body 61 in a circular ring structure and a connecting ring 62 fixedly arranged in a horizontal direction on the lower surface of the cylinder body 61. In order to further improve the flatness of the bottom surface of the device and ensure the smooth downward movement of the splash plate 3 in the event of a fire, the shortest distance in the horizontal direction between the outer edge of the decorative panel 4 and the inner side surface of the adjacent cylinder body 61 is 3 mm.

[0021] Working principle: the decorative plate 4 is connected to the connecting column 12 by low-temperature tin alloy solder. When a fire occurs, the temperature rises, the connection point between the decorative plate 4 and the connecting column 12 melts, the decorative plate 4 separates from the connecting column 12, and the interior of the cylinder body 61 forms an air convection space, high-temperature gas enters, the glass bulb 14 bursts, the fire water sprays out, and the splash plate 3 moves down, ensuring the spraying range of the fire water and the fire extinguishing function; when there is no fire, the decorative plate 4 and the bottom surface of the installation cylinder 6 are on the same horizontal plane, ensuring the fire in the building The flatness and aesthetics of the ceiling are improved. Once a fire occurs, the decorative panel 4 will fall off and the splash plate 3 will move down, which also ensures the fire extinguishing function of the sprinkler head. At the same time, the connection base 11 with a square structure is designed to facilitate users to install or disassemble, thereby improving the convenience of installation. The cylindrical body 61 with a vertical through-design is designed to form an air convection channel. When a fire occurs, it is convenient for high-temperature gas to quickly enter, so that the glass bulb 14 installed therein bursts in time, reducing the delay time, and further protecting the safety of people's lives and property.

[0022] The above is only a specific implementation method of the utility model, but the design concept of the utility model is not limited to this. Any non-substantial changes to the utility model using this concept shall be deemed as an infringement of the protection scope of the utility model.

Claims

1. A flush sprinkler head, comprising a connector for connecting to an external fire hose, characterized by: The lower surface of the connecting head is provided with a connecting base with a hollow structure, and the connecting base has a square structure in appearance, and a water blocking plug is clamped in the connecting base. A connecting column arranged in a vertical direction is provided on the left and right sides of the lower surface of the connecting base, and a mounting base is fixedly connected between the two connecting columns, and a glass bubble is clamped between the mounting base and the water blocking plug. A fixing block is fixedly provided in the middle of the connecting column, and a thread is provided on the outer surface of the side wall of the fixing block. A through hole is provided in the vertical direction of the fixing block, and a guide rod is sleeved in the through hole. A water splash plate is fixedly provided at the lower end of the guide rod, and a through hole is opened on the water splash plate at a position relative to the connecting column, and the connecting column is connected to a decorative plate through the through hole, and the outer side of the fixing block is threadedly connected to a mounting cylinder.

2. A flush type sprinkler head according to claim 1, characterized in that: The lower surface of the lower end of the connecting column is connected to the decorative plate through a low-temperature fusible alloy.

3. A flush type shower head according to claim 1 or 2, characterized in that: A clamping plate is fixedly provided on the top end of the guide rod.

4. A flush type sprinkler head according to claim 2, characterized in that: The low-temperature fusible alloy is a fire-fighting low-temperature tin alloy, and its melting point is 47-62°C.

5. A flush type sprinkler head according to claim 4, characterized in that: When the connecting column is connected to the decorative plate, the lower surface of the mounting cylinder and the lower surface of the decorative plate are on the same horizontal plane.

6. A flush type shower head according to claim 4 or 5, characterized in that: The mounting cylinder includes a cylinder body in a circular ring structure and a connecting ring fixedly arranged on the lower surface of the cylinder body in a horizontal direction. The shortest distance between the outer edge of the decorative plate and the adjacent inner side surface of the cylinder body in the horizontal direction is 2-6 mm.

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