Novel floating bead silicon crystal steel surface composite fireproof valve

Abstract

The utility model relates to a novel floating bead silicon crystal steel surface composite fireproof valve, including valve main part, core body subassembly and drive component, the valve main part is rectangular hollow structure, and the core body subassembly is fixedly installed in valve main part inside, and the drive component is installed on the upper end of valve main part, the drive component can drive core body subassembly and open and close, the front and rear ends of valve main part are fixedly installed with the connecting flange, and the periphery of valve main part outside still is wrapped with floating bead board, and the floating bead board and valve main part are fixed between through high temperature resistant adhesive and are bonded, the utility model discloses wrapping floating bead board outside valve main part, and the floating bead board has high temperature resistance, heat insulation and fire -retardant characteristics, can effectively block the transmission of fire high temperature to internal metal structure, greatly delays the temperature -rising speed of valve body, rotating rod and other key components, ensures that its mechanical strength does not lose because of high temperature softening during the duration of the fire, guarantees that the valve always keeps structural integrity and function reliable within the prescribed fire limit, and prevents the " fire -running " phenomenon.

Description

Technical Field

[0001] This application relates to the field of fire damper technology, and in particular to a novel composite fire damper with a beaded silicon crystal steel surface. Background Technology

[0002] Fire dampers are key fire protection components in building ventilation, air conditioning and smoke control systems. Their core function is to automatically cut off airflow channels in the event of a fire, effectively preventing the spread of flames and high-temperature toxic fumes, and buying valuable time for personnel evacuation and fire rescue.

[0003] Currently, mainstream fire dampers on the market typically consist of a metal valve body, blades, an actuator, and a fusible alloy temperature sensor. Their working principle is as follows: when the ambient temperature rises to the set melting point of the fusible alloy, the alloy melts, releasing the actuator (such as a spring) and driving the blades to close. However, in practical applications and fire scenarios, this traditional structure has revealed many inherent defects:

[0004] 1. Traditional fire dampers are mostly made of ordinary galvanized steel sheets for the valve body and blades. Although the strength is sufficient at room temperature, the mechanical properties of steel will drop sharply at high temperatures. When a fire continues and the temperature of the outer fire-exposed surface of the valve body is much higher than that of the inside, the metal valve body is prone to softening and twisting due to heat, causing the blades to be unable to maintain a completely closed state, creating gaps, thus losing its proper smoke and fire blocking function and causing "fire spread".

[0005] 2. Existing fire dampers are designed with simple mechanical latches to prevent the blades from being blown open by the airflow. However, in high-temperature environments, these metal locking mechanisms are also at risk of failure due to thermal deformation. Furthermore, the accuracy and reliability of their locking action are difficult to guarantee, and they cannot provide a lasting and stable holding force for the blades.

[0006] 3. Traditional fire dampers typically only have automatic temperature-sensitive fuse shut-off and manual reset functions, and cannot be flexibly remotely or intelligently controlled for adjustment as needed. This is extremely inconvenient in daily applications where air volume needs to be adjusted, and there is a lack of reliable manual emergency operation protection in case of motor drive failure.

[0007] Therefore, there is an urgent need for a solution that can address the structural integrity issue of valve bodies at high temperatures, while simultaneously improving the practicality, economy, and convenience of the product. Utility Model Content

[0008] In order to solve the problems existing in the background technology, this utility model proposes a novel composite fireproof valve with a floating bead silicon crystal steel surface.

[0009] The novel beaded silicon crystal steel surface composite fire damper provided in this application adopts the following technical solution:

[0010] A novel composite fireproof valve with a beaded silicon crystal steel surface includes a valve body, a core assembly, and a drive assembly. The valve body has a rectangular hollow structure, and the core assembly is fixedly installed inside the valve body. The drive assembly is installed on the upper end of the valve body, and the drive assembly can drive the core assembly to open and close.

[0011] The valve body is fixedly installed with connecting flanges at both ends. The outer side of the valve body is also wrapped with a float plate, which is bonded and fixed to the valve body with a high-temperature resistant adhesive.

[0012] Furthermore, the core assembly includes a valve core plate, a rotating rod, and a locking unit. The rotating rod is installed inside the valve body via a bearing. The upper end of the rotating rod passes through the valve body and is connected to the drive assembly. The valve core plate is fixedly installed in the middle of the rotating rod. Locking units are fixedly installed on the left and right sides inside the valve body. The locking units are used to lock the valve core plate after it is closed.

[0013] Furthermore, the locking unit includes a fixing frame and a connector. The fixing frame has a trapezoidal cross-section and a hollow interior. The connector is installed inside the fixing frame and is telescopic. A slot for cooperating with the connector is provided on the side wall of the valve core plate.

[0014] Furthermore, the connector includes an electromagnetic plate, a plug plate, and an elastic element. The electromagnetic plate is fixedly installed on the inner side of the fixed frame, and the plug plate is movably arranged on the outer side of the fixed frame. The plug plate has a T-shaped cross-section, and an iron sheet that cooperates with the electromagnetic plate is provided on the inner side of the plug plate. An elastic element is installed between the outer side of the plug plate and the fixed frame.

[0015] Furthermore, sealing rubber is installed at both the upper and lower ends of the valve core plate, and the sealing rubber is made of high temperature resistant material.

[0016] Furthermore, the drive assembly includes a housing frame, a drive motor, a drive gear, a connecting gear, and a sealing plate. The housing frame is installed on the upper end of the valve body, and the drive motor is installed on the front end of the housing frame via a motor mount. The output shaft of the drive motor passes through the housing frame and is fitted with a drive gear. A connecting gear is installed on the upper end of the rotating rod, and the connecting gear meshes with the drive gear. A sealing plate is fixedly installed on the upper end of the housing frame.

[0017] Furthermore, a handle bracket is installed at the upper end of the rotating rod through the sealing plate, and the handle bracket is fixedly connected to the rotating rod.

[0018] Beneficial effects

[0019] Compared with the prior art, this utility model provides a novel composite fireproof valve with a beaded silicon crystal steel surface, which has the following beneficial effects:

[0020] 1. This utility model, by wrapping a float plate around the valve body, provides a layer of "fireproof armor" to the valve body. The float plate has high temperature resistance, heat insulation and flame retardant properties, which can effectively block the transmission of high temperature in the fire to the internal metal structure, greatly slow down the temperature rise rate of key components such as valve body and rotating rod, and ensure that their mechanical strength will not be lost due to high temperature softening during the fire. This ensures that the valve always maintains structural integrity and functional reliability within the specified fire resistance limit, and eliminates the phenomenon of "fire spread".

[0021] 2. This utility model achieves instantaneous hard mechanical locking after the valve plate is closed by using a mechanical locking unit that combines electromagnetic drive and spring reset. This design is not only precise and responsive, but also completely independent of electricity to maintain the locking state. Even in the event of a power outage, it can reliably lock by relying on the restoring force of the elastic element, effectively resisting the impact and vibration of airflow during a fire and preventing the valve plate from opening accidentally. Combined with the high-temperature resistant sealing rubber around the valve core plate, multiple sealing barriers are formed, which greatly improves the airtightness of the valve and ensures excellent smoke and fire prevention effects. Attached Figure Description

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Figure 1 This is a three-dimensional structural diagram of this application.

[0024] Figure 2 This is a three-dimensional cross-sectional structural diagram of this application.

[0025] Figure 3 This is the rear view of this application.

[0026] Figure 4 This is a three-dimensional structural diagram of the core component of this application.

[0027] Figure 5 This is a cross-sectional structural diagram of the core component of this application.

[0028] Figure 6 This is a cross-sectional structural diagram of the connector of this application.

[0029] Explanation of reference numerals in the attached drawings: 1. Valve body; 11. Connecting flange; 2. Core assembly; 21. Valve core plate; 22. Rotating rod; 23. Locking unit; 231. Fixing bracket; 232. Insert connector; 2321. Electromagnetic plate; 2322. Insert plate; 2323. Elastic element; 3. Drive assembly; 31. Housing frame; 32. Drive motor; 33. Drive gear; 34. Connecting gear; 35. Sealing plate; 351. Handle bracket. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Please see Figure 1-6 The present invention provides a novel composite fireproof valve with a beaded silicon crystal steel surface, comprising a valve body 1, a core assembly 2, and a drive assembly 3. The valve body 1 has a rectangular hollow structure, and the core assembly 2 is fixedly installed inside the valve body 1. The drive assembly 3 is installed on the upper end of the valve body 1, and the drive assembly 3 can drive the core assembly 2 to open and close.

[0032] The valve body 1 is fixedly installed with connecting flanges 11 at both ends. The outer side of the valve body 1 is also wrapped with a ball bearing plate 12. The ball bearing plate 12 is a composite structure of ball bearing silicon crystal steel surface. The ball bearing plate 12 is bonded and fixed to the valve body 1 by a high temperature resistant adhesive.

[0033] In the above technical solution, the valve body 1 is the skeleton and airflow channel of the entire fire damper. It is usually made of metal (such as galvanized steel plate) to provide basic structural strength and installation foundation. The valve body 1 is installed through the connecting flange 11. The float plate 12 can remain stable at high temperature for a long time without burning or breaking. When a fire signal is received, the drive component 3 can drive the core component 2 to close, blocking the airflow. At the same time, the float plate 12 can effectively block heat and prevent the temperature of the metal body inside the valve body 1 from rising, so that the mechanical strength of the valve body 1 can be maintained for a long time, thereby avoiding valve distortion and failure caused by metal softening.

[0034] The cenosphere plate 12 is a composite structure of cenosphere silicon crystal steel surface, which has strong fire resistance and structural integrity. The cenosphere structure is filled with hollow microspheres, which can form a highly efficient aerogel insulation layer, effectively delaying the transfer of fire heat to the internal metal structure of the valve (such as valve body and valve shaft). The silicon crystal steel surface improves the high temperature resistance and resistance to direct flame burning of the outer shell. The combination of the two ensures that the valve body does not soften, twist or collapse for a long time at high temperature, far exceeding the fire resistance limit requirements of the national standard, and completely eliminating the "fire spread" phenomenon caused by valve body failure.

[0035] See Figures 1-5As shown, in this preferred embodiment, the core assembly 2 includes a valve core plate 21, a rotating rod 22, and a locking unit 23. The rotating rod 22 is installed inside the valve body 1 through a bearing. The upper end of the rotating rod 22 passes through the valve body 1 and is connected to the drive assembly 3. The valve core plate 21 is fixedly installed in the middle of the rotating rod 22. The locking unit 23 is fixedly installed on the left and right sides inside the valve body 1. The locking unit 23 is used to lock the valve core plate 21 after it is closed.

[0036] In the above technical solution, under normal working conditions, the drive assembly 3 can adjust the opening and closing angle of the valve core plate 21 through the rotating rod 22 to adjust the flow efficiency of gas inside the valve body 1; when a fire occurs, the drive assembly 3 drives the valve core plate 21 to quickly reset through the rotating rod 22. When the valve core plate 21 is completely closed, the locking unit 23 expands outward to lock the valve core plate 21, thereby preventing the valve core plate 21 from being damaged or failing, effectively preventing the spread of flames and smoke, and providing reliable protection for personnel evacuation and fire rescue.

[0037] See Figures 4-5 As shown, as a preferred technical solution of this embodiment, the locking unit 23 includes a fixing frame 231 and a plug-in 232. The fixing frame 231 has a trapezoidal cross-section and a hollow interior. The plug-in 232 is installed inside the fixing frame 231 and is telescopic. A slot that mates with the plug-in 232 is provided on the side wall of the valve core plate 21.

[0038] See Figures 4-5 As shown, in this preferred embodiment, the connector 232 includes an electromagnetic plate 2321, a plug plate 2322, and an elastic element 2323. The electromagnetic plate 2321 is fixedly installed on the inner side of the fixing frame 231, and the plug plate 2322 is movably arranged on the outer side of the fixing frame 231. The plug plate 2322 has a T-shaped cross-section. The inner side of the plug plate 2322 is provided with an iron sheet that cooperates with the electromagnetic plate 2321. An elastic element 2323 is installed between the outer side of the plug plate 2322 and the fixing frame 231. The elastic element 2323 is preferably a spring.

[0039] In the above technical solution, under normal working conditions, the electromagnetic plate 2321 is energized, and the electromagnetic plate 2321 attracts the insert plate 2322 through magnetic attraction, causing the insert plate 2322 to contract inward and the elastic element 2323 to be in a compressed state. When a fire occurs, after the valve core plate 21 is reset and closed, the electromagnetic plate 2321 is de-energized, and the elastic element 232 drives the insert plate 2322 to return to its original position, so that the insert plate 2322 can be accurately inserted into the slot opened on the side wall of the valve core plate 21, thereby locking and fixing the valve core plate 21 to prevent accurate isolation in the event of a fire.

[0040] As a preferred technical solution in this embodiment, sealing rubber is installed at both the upper and lower ends of the valve core plate 21, and the sealing rubber is made of high temperature resistant material.

[0041] In the above technical solution, when the valve core plate 21 is closed, the sealing rubber can further play a sealing role, which can effectively prevent the leakage of smoke and air and ensure the isolation effect between the fire area and other areas.

[0042] See Figures 2-3 As shown, as a preferred technical solution of this embodiment, the drive assembly 3 includes a housing frame 31, a drive motor 32, a drive gear 33, a connecting gear 34, and a sealing plate 35. The housing frame 31 is installed on the upper end of the valve body 1. The drive motor 32 is installed on the front end of the housing frame 31 through a motor mount. The output shaft of the drive motor 32 passes through the housing frame 31 and is equipped with the drive gear 33. The connecting gear 34 is installed on the upper end of the rotating rod 22. The connecting gear 34 meshes with the drive gear 33. The sealing plate 35 is fixedly installed on the upper end of the housing frame 31.

[0043] See Figures 2-3 As shown, as a preferred technical solution in this embodiment, the upper end of the rotating rod 22 is also equipped with a handle bracket 351 through the sealing plate 35, and the handle bracket 351 is fixedly connected to the rotating rod 22.

[0044] In the above technical solution, when it is necessary to adjust the opening and closing angle of the valve core plate 21 or to close the valve core plate 21, the drive motor 32 drives the rotating rod 22 to rotate through gear meshing. The rotating rod 22 drives the valve core plate 21 to rotate and adjust, thereby realizing the function of accurately adjusting the opening and closing angle of the valve core plate 21. If the drive motor 32 fails, it can also be adjusted manually, that is, by turning the handle bracket 351, the handle bracket 351 drives the valve core plate 21 to rotate and adjust through the rotating rod 22. The operation is flexible and can ensure that the valve plate can be opened and closed smoothly under various conditions.

[0045] The working principle of this utility model is as follows:

[0046] S1: Normal ventilation and regulation status

[0047] Under normal operating conditions, the drive motor 32 is energized and operates, driving the rotating rod 22 to rotate through the meshing of the drive gear 33 and the connecting gear 34. This precisely adjusts the opening and closing angle of the valve core plate 21 fixed on the rotating rod, thereby controlling the flow rate of air through the valve body 1. At this time, the electromagnetic plate 2321 in the locking unit 23 is energized, generating a magnetic force that attracts the insert plate 2322 to retract inward, overcoming the elastic force of the elastic element 2323, causing the insert plate to disengage from the slot on the side wall of the valve core plate 21. The locking function is released, and the valve core plate can rotate freely.

[0048] S2: Fire signal reception and emergency valve closure

[0049] When a fire occurs, the drive motor drives the valve core plate 21 through the meshing of the drive gear 33 and the connecting gear 34, causing the valve core plate 21 to rotate rapidly to a fully closed state in a very short time, blocking the airflow in the duct inside the valve body 1.

[0050] S3: Valve plate mechanical locking and sealing enhancement

[0051] After the valve core plate 21 is closed in place, the insert plate 2322 in the locking unit 23, under the restoring force of the elastic element 2323, quickly pops outward and accurately inserts into the corresponding slot on the side wall of the valve core plate 21, forming a mechanical hard lock, effectively preventing the valve plate from reopening due to airflow impact or vibration during a fire. At the same time, the high-temperature resistant sealing rubber installed at the upper and lower ends of the valve core plate 21 is pressed tightly against the inner wall of the valve, forming an elastic sealing barrier, further enhancing airtightness and preventing smoke and flame leakage.

[0052] S4: Passive fire protection and structural integrity maintenance

[0053] Throughout the fire, the float plate 12, which wraps around the valve body 1, effectively blocks the transmission of external high temperature to key components such as the internal metal valve body 1, rotating rod 22, and locking unit 23 due to its excellent fire resistance and heat insulation properties. This greatly slows down the temperature rise rate of the metal structure and prevents it from losing mechanical strength due to softening at high temperatures. As a result, it ensures the integrity of the valve body structure and the stability of the closed state, and guarantees that the fire damper can continuously and effectively isolate the fire zone within the specified fire resistance time.

[0054] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A novel composite fireproof valve with a beaded silicon crystal steel surface, characterized in that, The valve body (1) includes a valve body (1), a core assembly (2) and a drive assembly (3). The valve body (1) has a rectangular hollow structure. The core assembly (2) is fixedly installed inside the valve body (1). The drive assembly (3) is installed on the upper end of the valve body (1). The drive assembly (3) can drive the core assembly (2) to open and close. The valve body (1) is fixedly installed with connecting flanges (11) at both ends. The outer side of the valve body (1) is also wrapped with a float plate (12). The float plate (12) is bonded and fixed to the valve body (1) by a high-temperature resistant adhesive.

2. The novel beaded silicon crystal steel surface composite fireproof valve according to claim 1, characterized in that: The core assembly (2) includes a valve core plate (21), a rotating rod (22), and a locking unit (23). The rotating rod (22) is installed inside the valve body (1) through a bearing. The upper end of the rotating rod (22) passes through the valve body (1) and is connected to the drive assembly (3). The valve core plate (21) is fixedly installed in the middle of the rotating rod (22). The locking unit (23) is fixedly installed on the left and right sides inside the valve body (1). The locking unit (23) is used to lock the valve core plate (21) after it is closed.

3. The novel beaded silicon crystal steel surface composite fireproof valve according to claim 2, characterized in that: The locking unit (23) includes a fixing frame (231) and a connector (232). The fixing frame (231) has a trapezoidal cross-section and a hollow interior. The connector (232) is installed inside the fixing frame (231). The connector (232) is telescopic. The valve core plate (21) has a slot on its side wall that mates with the connector (232).

4. The novel beaded silicon crystal steel surface composite fireproof valve according to claim 3, characterized in that: The connector (232) includes an electromagnetic plate (2321), a plug plate (2322), and an elastic element (2323). The electromagnetic plate (2321) is fixedly installed on the inner side of the fixed frame (231), and the plug plate (2322) is movably arranged on the outer side of the fixed frame (231). The plug plate (2322) has a T-shaped cross-section. The inner side of the plug plate (2322) is provided with an iron sheet that cooperates with the electromagnetic plate (2321). The elastic element (2323) is installed between the outer side of the plug plate (2322) and the fixed frame (231).

5. A novel composite fireproof valve with a beaded silicon crystal steel surface according to claim 4, characterized in that: The valve core plate (21) is equipped with sealing rubber at both the upper and lower ends. The sealing rubber is made of high temperature resistant material.

6. A novel composite fireproof valve with a beaded silicon crystal steel surface according to claim 2, characterized in that: The drive assembly (3) includes a housing frame (31), a drive motor (32), a drive gear (33), a connecting gear (34), and a sealing plate (35). The upper end of the valve body (1) is equipped with a housing frame (31). The front end of the housing frame (31) is equipped with a drive motor (32) through a motor mount. The output shaft of the drive motor (32) passes through the housing frame (31) and is equipped with a drive gear (33). The upper end of the rotating rod (22) is equipped with a connecting gear (34), which meshes with the drive gear (33). The upper end of the housing frame (31) is fixedly equipped with a sealing plate (35).

7. A novel composite fireproof valve with a beaded silicon crystal steel surface according to claim 6, characterized in that: The upper end of the rotating rod (22) passes through the sealing plate (35) and is also equipped with a handle frame (351), which is fixedly connected to the rotating rod (22).

Images