High-barrier fireproof valve

By introducing fixing and closing mechanisms into fire dampers, and utilizing automated mechanical structures to achieve automatic valve closure, the problem of manual operation required in existing technologies is solved, thereby improving the safety and cost-effectiveness of fire dampers.

CN223690430UActive Publication Date: 2025-12-19SICHUAN CHUANGYOU MECHANICAL & ELECTRICAL EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520205347.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2025-12-19
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

Existing high-barrier fire dampers require manual operation of the limit device during a fire, which results in low safety and low cost-effectiveness.

Method used

A fire damper including a fixing mechanism and a closing mechanism was designed. By using a combination of a fixing ball, a telescopic tube and a fixing spring, the position of the sealing fan blade is automatically fixed to avoid manual intervention, and automatic closing is achieved at a specific temperature through the linkage of the fuse and the closing spring.

Benefits of technology

It enables automatic valve closure during fires, ensuring safe evacuation of personnel, improving the practicality and cost-effectiveness of fire dampers, and reducing reliance on manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a high-barrier fireproof valve, and relates to the field of fireproof valves. The high-barrier fireproof valve comprises a fireproof valve body and a sealing mechanism, the front side of the fireproof valve body is fixedly connected with a fixing mechanism, the fixing mechanism comprises a fixing groove and a fixing ball, the fixing groove is formed in the rear side of the sealing mechanism, the fixing ball is arranged on the front side of the fireproof valve body, and the size of the fixing ball is consistent with that of the fixing groove. The rear side of the sealing mechanism is fixedly connected with the front side of the fireproof valve. According to the high-barrier fireproof valve, through the arrangement of the fixing mechanism, the elastic force of a fixing spring in a telescopic pipe drives the telescopic pipe to extend, the telescopic pipe extends to drive a fixing ball to move forwards to be attached to the inner wall of a fixing groove, the purpose of fixing the position of a driving plate is achieved, and the situation that the safety of operators cannot be guaranteed through manual control is avoided; and direct evacuation of all personnel is guaranteed, the cost performance of the fireproof valve in actual use is improved, dependence on manpower in use of the fireproof valve is reduced, and the practicability of the fireproof valve is improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of fireproof valves, in particular to a high-barrier fireproof valve. BACKGROUND

[0002] The fireproof valve is a valve form closed by gravity and spring mechanism using temperature control of memory alloy. In new products, the valve is also closed by deformation of memory alloy. The valve is automatically closed when the smoke temperature reaches 280 DEG C, the people have basically evacuated, and the smoke has no practical significance, and the smoke has fire at this time, so as to avoid the spread of fire.

[0003] Patent No. CN217815024U discloses a high-barrier fireproof valve. When a fire occurs, the fuse link melts at high temperature, the sliding plate is not hindered in the inside of the strip-shaped groove, then the sliding plate moves in the inside of the strip-shaped groove under the driving of the spring, the connecting rod moves under the driving of the sliding plate, the rack moves under the driving of the connecting rod, the displacement plate moves in the inside of the sliding groove under the driving of the rack, and the rack also meshes with the gear, so that the gear rotates, the rotating shaft rotates under the driving of the gear, and the sealing fan blade rotates under the driving of the rotating shaft, so that the sealing fan blade is in a vertical state under the driving of the rotating shaft, and the valve body is closed. Through cooperation of the above structure, the problem that the sealing fan blade is deformed due to excessive force because the transmission gear continuously provides kinetic energy when the power motor cannot stop immediately is avoided, and the use performance of the fireproof valve is further improved. However, the limiting device of the fireproof valve needs to be manually controlled to fix the rotating shaft, and the safety of the operator cannot be guaranteed, the operation depends on manual operation, the practicality is low, and the cost performance is low in actual use. CONTENT OF THE UTILITY MODEL

[0004] (I) Technical problem solved

[0005] In view of the defects of the prior art, the application provides a high-barrier fireproof valve, which solves the problems mentioned in the background.

[0006] (II) Technical scheme

[0007] To achieve the above object, the application is implemented by the following technical scheme: a high-barrier fireproof valve, comprising a fireproof valve and a sealing mechanism for sealing the inside of the fireproof valve, a fixing mechanism for fixing the sealing mechanism is fixedly connected to the front side of the fireproof valve, the fixing mechanism comprises a fixing groove and a fixing ball, the fixing groove is arranged on the rear side of the sealing mechanism, the fixing ball is arranged on the front side of the fireproof valve, the fixing ball is consistent in size with the fixing groove, and the rear side of the sealing mechanism is fixedly connected with the front side of the fireproof valve.

[0008] By adopting the technical scheme, the fixed ball surface is attached to the fixed groove to fix the driving plate, thereby preventing the sealing fan blade from being deformed due to excessive rotation angle and avoiding manual participation to ensure normal evacuation of personnel.

[0009] Preferably, the fixing mechanism further comprises a telescopic tube, the rear side of the telescopic tube is fixedly connected with the front side of the fireproof valve, and the front side of the telescopic tube is fixedly connected with the rear side of the fixed ball.

[0010] By adopting the technical scheme, the telescopic tube provides a moving space for the rear side of the driving plate attached to the front side of the fixed ball, thereby ensuring normal movement of the driving plate.

[0011] Preferably, the fixing mechanism further comprises a fixing spring, the fixing spring is located in the telescopic tube, the front side of the fixing spring is fixedly connected with the front side of the inner wall of the telescopic tube, and the rear side of the fixing spring is fixedly connected with the rear side of the inner wall of the telescopic tube.

[0012] By adopting the technical scheme, the fixing spring provides a support force for the fixed ball at one end of the telescopic tube to be retained in the fixed groove, thereby ensuring stability of the fixed ball.

[0013] Preferably, the fireproof valve comprises a valve body and a sealing fan blade, the front side of the valve body is fixedly connected with the rear side of the telescopic tube, and the rear side of the sealing fan blade is rotationally connected with the rear side of the inner wall of the valve body.

[0014] By adopting the technical scheme, the sealing fan blade in the valve body provides a sealing plate for sealing of the inside of the fireproof valve, and rotation of the sealing fan blade facilitates conversion of the opening and closing state of the fireproof valve.

[0015] Preferably, the fireproof valve further comprises a rotating shaft and a rotating disc, the surface of the rotating shaft is rotationally connected with the center of the front side of the valve body, the rear side of the rotating shaft is fixedly connected with the front side of the sealing fan blade, and the rear side of the rotating disc is fixedly connected with the front side of the rotating shaft.

[0016] By adopting the technical scheme, the rotating disc at the front side of the rotating shaft is connected with rotation of the sealing fan blade, so that the rotating disc rotates to drive the sealing fan blade to rotate.

[0017] Preferably, the sealing mechanism comprises a fixed plate and a sealing spring, the rear side of the fixed plate is fixedly connected with the front side of the valve body, and the bottom of the sealing spring is fixedly connected with the top of the fixed plate.

[0018] By adopting the technical scheme, the sealing spring at the top of the fixed plate provides a downward pulling force for operation of the sealing mechanism.

[0019] Preferably, the closing mechanism further comprises a connecting plate and a fuse piece, the bottom of the connecting plate is fixedly connected with the top of the closing spring, the top of the connecting plate is fixedly connected with a hinged plate, the front side of the fuse piece is fixedly connected with the upper side of the rear side of the hinged plate, and the rear side of the fuse piece is fixedly connected with the front side of the valve body.

[0020] By adopting the above technical scheme, the fuse piece connected with the hinged plate at the top of the connecting plate can keep the closing mechanism stable in daily environment, and the fuse piece can be melted to trigger the closing state when reaching a specific temperature.

[0021] Preferably, the closing mechanism further comprises a driving plate and a rotating plate, the rear side of the driving plate is hingedly connected with the upper side of the front side of the hinged plate, a fixed slot is arranged at the center of the rear side of the driving plate, the front side of the left side of the rotating plate is rotatably connected with the upper side of the rear side of the driving plate, and one end of the rotating plate is fixedly connected with the left side of the rotating disc.

[0022] By adopting the above technical scheme, the driving plate and the rotating plate are connected, the rotating plate is driven to move downward on the left side under the self-elastic force of the closing spring, and is transformed into a vertical state, so as to drive the rotating disc to rotate by 90 degrees, and the sealing fan blade at one end of the rotating shaft is transformed into a state of being attached to the inner wall of the valve body at both ends.

[0023] (Three) beneficial effects

[0024] The application provides a high-barrier fire damper.

[0025] 1. The high-barrier fire damper, by arranging the fixing mechanism, the self-elastic force of the fixing spring in the telescopic pipe drives the telescopic pipe to elongate, the telescopic pipe elongation drives the fixed ball to move forward to be attached to the inner wall of the fixed slot, so as to fix the position of the driving plate, avoid the situation that manual control cannot guarantee the safety of the operator, ensure that all personnel directly evacuate, improve the performance-price ratio of the fire damper in actual use, reduce the dependence on manual operation when the fire damper is used, and improve the practicability of the fire damper.

[0026] 2. The high-barrier fire damper, by arranging the closing mechanism, when the fuse piece melts at a specific temperature, the self-elastic force of the closing spring at the top of the fixed plate drives the connecting plate to move downward, the connecting plate moving downward drives the hinged plate to move downward, the driving plate moving downward drives the rotating plate to rotate, the rotating plate rotating drives the rotating disc to rotate, so as to rotate the sealing fan blade at one end of the rotating shaft to a vertical state to close the inside of the valve body, avoid the possibility that external objects fall on the surface of the closing mechanism to affect the normal operation, ensure the smooth conversion of the closing state of the fire damper, and further improve the practicability of the fire damper. DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0028] Figure 1 It is a right view top view appearance structure schematic diagram of the present application.

[0029] Figure 2 It is a part structure enlarged schematic diagram of the present application.

[0030] Figure 3 It is a left view bottom view appearance structure schematic diagram of the present application.

[0031] Figure 4 It is a right view top view part structure section schematic diagram of the present application.

[0032] Figure 5 It is a left view bottom view part structure schematic diagram of the present application.

[0033] Figure 6 It is a part structure enlarged schematic diagram of the present application.

[0034] In the figure: 1, fire damper; 101, valve body; 102, sealing fan blade; 103, rotating shaft; 104, rotating disc; 2, closing mechanism; 201, fixed plate; 202, closing spring; 203, connecting plate; 204, hinged plate; 205, driving plate; 206, rotating plate; 207, fuse link; 3, fixing mechanism; 301, fixed groove; 302, telescopic pipe; 303, fixed ball; 304, fixed spring. DETAILED DESCRIPTION

[0035] It should be noted that in the description of the embodiments of the present application, the terms "front, back", "left, right", "up, down" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and 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 cannot be understood as a limitation on the present application. The terms "mounting", "connecting", "connected" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] The present application will be further described in detail below by means of the drawings and examples.

[0037] With reference to Figure 1 , Figure 2 , Figure 5 and Figure 6 , the embodiment of the present application provides a high-barrier fire damper, which comprises a fire damper 1 and a sealing mechanism 2 for sealing the inside of the fire damper 1, and a fixing mechanism 3 for fixing the sealing mechanism 2 is fixedly connected to the front side of the fire damper 1, the fixing mechanism 3 comprises a fixing groove 301 and a fixing ball 303, the fixing groove 301 is arranged on the rear side of the sealing mechanism 2, and the fixing ball 303 is arranged on the front side of the fire damper 1, the fixing ball 303 is consistent with the fixing groove 301 in size, a telescopic pipe 302 is fixedly connected to the front side of the fire damper 1, the telescopic pipe 302 is fixedly connected to the rear side of the fixing ball 303, a fixing spring 304 is arranged in the telescopic pipe 302, the front side of the fixing spring 304 is fixedly connected to the inner wall of the telescopic pipe 302, the rear side of the fixing spring 304 is fixedly connected to the inner wall of the telescopic pipe 302, the rear side of the sealing mechanism 2 is fixedly connected to the front side of the fire damper 1, the fixing spring 304 in the telescopic pipe 302 is driven to elongate by the elastic force of the fixing spring 304 itself, and the telescopic pipe 302 is driven to elongate by the telescopic pipe 302, so that the fixing ball 303 is driven to move forward to be attached to the inner wall of the fixing groove 301.

[0038] With reference to Figure 3 and Figure 4 , in one aspect of the embodiment, the fire damper 1 comprises a valve body 101 and a sealing fan blade 102, the front side of the valve body 101 is fixedly connected to the rear side of the telescopic pipe 302, the rear side of the sealing fan blade 102 is rotationally connected to the inner wall of the valve body 101, a rotating shaft 103 is rotationally connected to the center of the front side of the valve body 101, the rear side of the rotating shaft 103 is fixedly connected to the front side of the sealing fan blade 102, a rotating disc 104 is fixedly connected to the front side of the rotating shaft 103, the rotating disc 104 is driven to rotate by the operation of the sealing mechanism 2, the rotating disc 104 is driven to rotate by the rotation of the rotating disc 104, the rotating shaft 103 is driven to rotate by the rotation of the rotating shaft 103, and the sealing fan blade 102 rotationally connected to the inner wall of the valve body 101 is driven to rotate by the rotation of the rotating shaft 103, so that the inside of the fire damper 1 is sealed.

[0039] With reference to Figure 1 , Figure 2 and Figure 5In one aspect of the embodiment, the closing mechanism 2 comprises a fixed plate 201 and a closing spring 202, the rear side of the fixed plate 201 is fixedly connected to the lower side of the front side of the valve body 101, the bottom of the closing spring 202 is fixedly connected to the top of the fixed plate 201, the top of the closing spring 202 is fixedly connected with a connecting plate 203, the top of the connecting plate 203 is fixedly connected with a hinged plate 204, the upper rear side of the hinged plate 204 is fixedly connected with a fuse link 207, the rear side of the fuse link 207 is fixedly connected to the front side of the valve body 101, the front side of the upper side of the hinged plate 204 is hingedly connected with a driving plate 205, a fixed groove 301 is formed in the center of the rear side of the driving plate 205, the upper rear side of the driving plate 205 is rotatably connected with a rotating plate 206, one end of the rotating plate 206 is fixedly connected to the left side of the rotating disc 104, when the fuse link 207 melts at a certain temperature, the closing spring 202 at the top of the fixed plate 201 is driven to move downward by its own elastic force, the connecting plate 203 is driven to move downward by the closing spring 202, the driving plate 205 is driven to move downward by the hinged plate 204, the rotating plate 206 is driven to rotate by the driving plate 205, and the rotating disc 104 is driven to rotate by the rotating plate 206.

[0040] All the electrical equipment in the scheme is powered by an external power supply.

[0041] Working principle: when in use, when the fuse link 207 melts at a certain temperature, the closing spring 202 at the top of the fixed plate 201 is driven to move downward by its own elastic force, the connecting plate 203 is driven to move downward by the closing spring 202, the driving plate 205 is driven to move downward by the hinged plate 204, the fixed ball 303 is pressed by the driving plate 205 when it moves downward, the fixed spring 304 and the telescopic tube 302 are shortened, the driving plate 205 is driven to rotate by the rotating plate 206, the rotating disc 104 is driven to rotate by the rotating plate 206, the rotating shaft 103 is driven to rotate by the rotating disc 104, the sealing fan blade 102 is driven to rotate by the rotating shaft 103, the inside of the fire damper 1 is sealed, the fixed spring 304 in the telescopic tube 302 is driven to elongate by its own elastic force when the driving plate 205 is in a vertical state, the telescopic tube 302 is driven to elongate by the fixed spring 304, and the driving plate 205 is fixed by the telescopic tube 302.

[0042] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0043] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary and that changes can be made in detail without departing from the principles and spirit of the application. The scope of the application is therefore defined by the appended claims and their equivalents.

Claims

1. A high-barrier fire damper comprising a fire damper (1) and a closure mechanism (2) for sealing the interior of the fire damper (1), characterized in that: The fireproof valve (1) is fixedly connected with a fixing mechanism (3) for fixing the closing mechanism (2) on the front side, the fixing mechanism (3) comprises a fixing groove (301) and a fixing ball (303), the fixing groove (301) is arranged on the rear side of the closing mechanism (2), the fixing ball (303) is arranged on the front side of the fireproof valve (1), the fixing ball (303) is consistent with the fixing groove (301), and the rear side of the closing mechanism (2) is fixedly connected with the front side of the fireproof valve (1).

2. A high barrier fire damper according to claim 1, wherein: The fixing mechanism (3) further comprises a telescopic pipe (302), the rear side of the telescopic pipe (302) is fixedly connected with the front side of the fireproof valve (1), and the front side of the telescopic pipe (302) is fixedly connected with the rear side of the fixing ball (303).

3. A high barrier fire damper according to claim 2, wherein: The fixing mechanism (3) further comprises a fixing spring (304), the fixing spring (304) is located in the telescopic pipe (302), the front side of the fixing spring (304) is fixedly connected with the front side of the inner wall of the telescopic pipe (302), and the rear side of the fixing spring (304) is fixedly connected with the rear side of the inner wall of the telescopic pipe (302).

4. A high barrier fire damper according to claim 3, wherein: The fireproof valve (1) comprises a valve body (101) and a sealing fan blade (102), the front side of the valve body (101) is fixedly connected with the rear side of the telescopic pipe (302), and the rear side of the sealing fan blade (102) is rotationally connected with the rear side of the inner wall of the valve body (101).

5. A high barrier fire damper according to claim 4, wherein: The fireproof valve (1) further comprises a rotating shaft (103) and a rotating disc (104), the surface of the rotating shaft (103) is rotationally connected with the center of the front side of the valve body (101), the rear side of the rotating shaft (103) is fixedly connected with the front side of the sealing fan blade (102), and the rear side of the rotating disc (104) is fixedly connected with the front side of the rotating shaft (103).

6. A high barrier fire damper according to claim 5, wherein: The closing mechanism (2) comprises a fixed plate (201) and a closing spring (202), the rear side of the fixed plate (201) is fixedly connected with the lower side of the front side of the valve body (101), and the bottom of the closing spring (202) is fixedly connected with the top of the fixed plate (201).

7. A high barrier fire damper according to claim 6, wherein: The closing mechanism (2) further comprises a connecting plate (203) and a fuse piece (207), the bottom of the connecting plate (203) is fixedly connected with the top of the closing spring (202), the top of the connecting plate (203) is fixedly connected with a hinged plate (204), the front side of the fuse piece (207) is fixedly connected with the upper rear side of the hinged plate (204), and the rear side of the fuse piece (207) is fixedly connected with the front side of the valve body (101).

8. A high barrier fire damper according to claim 7, wherein: The closing mechanism (2) further comprises a driving plate (205) and a rotating plate (206), the rear side of the driving plate (205) is hingedly connected with the front side of the hinged plate (204) on the upper side, a fixing groove (301) is arranged in the center of the rear side of the driving plate (205), the front side left side of the rotating plate (206) is rotationally connected with the upper rear side of the driving plate (205), and one end of the rotating plate (206) is fixedly connected with the left side of the rotating disc (104).

Citation Information

Patent Citations

  • High-barrier fireproof valve

    CN217815024U