Fireproof valve

Abstract

The utility model discloses a fireproof valve which comprises a shell, a valve element and a valve element. The two rotating shafts are rotationally connected to the shell; the driving mechanism is arranged on the shell and drives the two rotating shafts to rotate; the two baffles are detachably installed on the two rotating shafts correspondingly, and the two sides of each baffle are provided with a first wedging protrusion and a second wedging protrusion correspondingly; the two third wedging bulges are respectively arranged on the inner walls of the two sides of the shell; and the detection module is arranged on the shell and is used for detecting the temperature in the shell. According to the utility model, a novel sealing form is adopted, so that good sealing performance can be ensured after the baffle plate is opened and closed for multiple times.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire damper technical field, especially a fire damper. BACKGROUND

[0002] In order to effectively curb the spread of smoke and fire through the ventilation duct in the building, the fire damper, as a key component of the fire safety system, is installed between the pipes to prevent the spread of fire. This device is essential for building fire safety. At present, in order to improve the practicability and operation convenience of the fire damper, relevant research and improvement work is being carried out. However, the existing fire damper has exposed some problems in the use process. Specifically, the closure of the baffle may not be tight during frequent opening and closing, thereby affecting the fireproof effect. In addition, the baffle is usually welded on the shaft, and this design makes the disassembly process complex and inconvenient. Therefore, in view of these problems, the design of the fire damper still needs to be further improved and optimized. SUMMARY

[0003] According to the utility model embodiment, a fire damper is provided, which comprises:

[0004] The shell is a hollow structure with two open sides.

[0005] Two shafts are rotatably connected to the shell.

[0006] The driving mechanism is arranged on the shell and drives the two shafts to rotate.

[0007] Two baffles are detachably mounted on the two shafts, and the two baffles are respectively provided with first and second engagement protrusions on both sides.

[0008] Two third engagement protrusions are arranged on the inner walls of the two sides of the shell.

[0009] The detection module is arranged on the shell and is used for detecting the temperature in the shell.

[0010] Further, the driving mechanism comprises:

[0011] The driving unit is arranged on the shell and rotates with the two shafts, and drives the two shafts to rotate.

[0012] The protective shell is connected to the shell and covers the driving unit.

[0013] Further, the driving unit comprises:

[0014] The driving pulley is sleeved on one of the shafts.

[0015] The driven pulley is sleeved on another rotating shaft.

[0016] The belt connects the driving pulley and the driven pulley.

[0017] The motor is connected with the driving pulley at the output end and drives the driving pulley to rotate.

[0018] Further, it further comprises:

[0019] The mounting groove is arranged on the rotating shaft, and the baffle is arranged in the mounting groove.

[0020] The two locking holes are arranged at the top and bottom of the mounting groove.

[0021] The two locking mechanisms are arranged at the top and bottom of the baffle and are used for being matched with the two locking holes respectively to lock the baffle on the mounting groove.

[0022] Further, one of the locking mechanisms comprises:

[0023] The storage groove is arranged at the top of the baffle.

[0024] The moving hole is arranged on the surface of the baffle and is communicated with the storage groove.

[0025] The spring is arranged in the storage groove.

[0026] The locking rod is arranged in the storage groove, the bottom end of the locking rod is in contact with the spring, and the top end of the locking rod is inserted into one of the locking holes.

[0027] The control block is connected with the locking rod through the moving hole at one end.

[0028] Further, the surface of the control block is provided with anti-skid lines.

[0029] Further, the locking rod and the locking hole are matched in shape and are both cuboids.

[0030] Further, the detection module comprises a temperature sensor arranged on the shell and used for detecting the temperature in the shell.

[0031] According to the fireproof valve, the first matching protrusion and the second matching protrusion are matched with each other to realize sealing between the two baffles, the two third matching protrusions on the shell are matched with the first matching protrusion on one of the baffles and the second matching protrusion on the other baffle respectively to realize sealing between the two baffles and the shell, the sealing form can guarantee good sealing performance after the baffles are opened and closed for many times, and the baffles and the rotating shaft are designed to be detachable, so that the baffles are convenient to disassemble and replace.

[0032] It is to be understood that both the foregoing general description and the following detailed description are exemplary and intended to provide further explanation of the subject technology claimed. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is to be understood that both the foregoing general description and the following detailed description are exemplary and intended to provide further explanation of the subject technology claimed.

[0034] Figure 2 It is to be understood that both the foregoing general description and the following detailed description are exemplary and intended to provide further explanation of the subject technology claimed.

[0035] Figure 3 It is to be understood that both the foregoing general description and the following detailed description are exemplary and intended to provide further explanation of the subject technology claimed.

[0036] Figure 4 It is to be understood that both the foregoing general description and the following detailed description are exemplary and intended to provide further explanation of the subject technology claimed. Figure 3 It is to be understood that both the foregoing general description and the following detailed description are exemplary and intended to provide further explanation of the subject technology claimed.

[0037] Figure 5 It is to be understood that both the foregoing general description and the following detailed description are exemplary and intended to provide further explanation of the subject technology claimed. DETAILED DESCRIPTION

[0038] The preferred embodiments of the present application will be described in detail hereinafter with reference to the drawings, and the present application will be further described with the preferred embodiments.

[0039] Firstly, the fireproof valve according to the embodiments of the present application will be described in combination with Figures 1-5 the fireproof valve according to the embodiments of the present application is used to contain the spread of smoke and fire through the ventilation duct in the building when the fire breaks out, and has a wide application scenario.

[0040] As shown in Figures 1-5 the fireproof valve according to the embodiments of the present application has a shell 100, two rotating shafts 200, a driving mechanism, two baffles 400, two third engagement protrusions 500 and a detection module.

[0041] Specifically, as shown in Figures 1-2 the shell 100 is a hollow structure with two open sides.

[0042] Specifically, as shown in Figures 1-3 the two rotating shafts 200 are both rotationally connected to the shell 100.

[0043] Specifically, as shown in Figures 1-3 the driving mechanism is arranged on the shell 100 and drives the two rotating shafts 200 to rotate. The driving mechanism includes a driving unit and a protective shell 305. The driving unit is arranged on the shell 100 and rotates with the two rotating shafts 200 to drive the two rotating shafts 200 to rotate. The protective shell 305 is connected to the shell 100 and covers the driving unit to protect the driving unit.

[0044] Further, as shown in Figures 1-3 The driving unit comprises a driving pulley 301, a driven pulley 302, a belt 303 and a motor 304. The driving pulley 301 is sleeved on one of the rotating shafts 200, the driven pulley 302 is sleeved on the other rotating shaft 200, the belt 303 connects the driving pulley 301 and the driven pulley 302, and the output end of the motor 304 is connected with the driving pulley 301 to drive the driving pulley 301 to rotate, thereby driving the driven pulley 302 to rotate through the belt 303, so that the two rotating shafts 200 rotate.

[0045] Specifically, as shown in Figures 1-5 The two baffles 400 are respectively detachably mounted on the two rotating shafts 200, and the two baffles 400 are respectively provided with a first matching protrusion 401 and a second matching protrusion 402 on two sides. The sealing between the two baffles 400 is achieved by matching the first matching protrusion 401 of one of the baffles 400 with the second matching protrusion 402 of the other baffle 400.

[0046] Specifically, as shown in Figures 1-5 The two third matching protrusions 500 are respectively arranged on the inner walls of the two sides of the shell 100, and the two third matching protrusions 500 on the shell 100 are respectively matched with the first matching protrusion 401 on one of the baffles 400 and the second matching protrusion 402 on the other baffle 400 to achieve sealing.

[0047] Specifically, as shown in Figures 1-5 The detection module is arranged on the shell 100, and the detection module comprises a temperature sensor (not shown in the figure) arranged on the shell 100 and used for detecting the temperature in the shell 100.

[0048] Further, as shown in Figures 1-5 The fireproof valve further comprises a mounting groove 701, two locking holes 702 and two locking mechanisms. The mounting groove 701 is arranged on the rotating shaft 200, and the baffle 400 is arranged in the mounting groove 701; the two locking holes 702 are arranged at the top and bottom of the mounting groove 701; and the two locking mechanisms are arranged at the top and bottom of the baffle 400 and used for being matched with the two locking holes 702 respectively to lock the baffle 400 on the mounting groove 701.

[0049] Further, as shown in Figures 1-5As shown in the drawings, one of the locking mechanisms comprises a storage groove 703, a moving hole 704, a spring 705, a locking rod 706 and a control block 707. The storage groove 703 is opened at the top of the baffle 400; the moving hole 704 is opened on the surface of the baffle 400 and communicates with the storage groove 703; the spring 705 is arranged in the storage groove 703; the locking rod 706 is arranged in the storage groove 703, the bottom end of the locking rod 706 is in contact with the spring 705, the top end of the locking rod 706 is inserted into one of the locking holes 702; one end of the control block 707 penetrates the moving hole 704 and is connected with the locking rod 706.

[0050] Further, as shown in the drawings, the surface of the control block 707 is provided with anti-skid lines, which plays an anti-skid role. Figures 1-5

[0051] Further, in the embodiment, the locking rod 706 and the locking hole 702 are matched in shape and are both cuboids.

[0052] Working principle:

[0053] The fire damper is installed on the ventilation duct, whether the baffle 400 is opened or not is judged according to the temperature detected by the temperature sensor, when the detected temperature of the temperature sensor exceeds the threshold value, the control motor 304 is operated to drive the driving pulley 301 to rotate, and then the driven pulley is driven to rotate through the belt 303, so that the two rotating shafts 200 are rotated to close the two baffles 400.

[0054] When the baffle 400 needs to be replaced, the control block 707 only needs to be moved in the moving hole 704 to compress the spring 705 and separate from the corresponding locking hole 702, so that the baffle 400 can be removed. When installing a new baffle 400, the control block 707 is also moved in the moving hole 704 to compress the spring 705, the locking rod 706 is aligned with the corresponding locking hole 702, and then the control block 707 is released, the locking rod 706 is clamped into the locking hole 702 under the elastic force of the spring 705, and the locking of the baffle 400 is realized.

[0055] The above, with reference to Figures 1-5 The fire damper according to the embodiment of the utility model is described, the first fitting protrusion 401 and the second fitting protrusion 402 are mutually fitted to realize sealing between the two baffles 400, the two third fitting protrusions 500 on the shell 100 are respectively fitted with the first fitting protrusion 401 on one of the baffles 400 and the second fitting protrusion 402 on the other baffle 400 to realize mutual fitting and sealing between the two baffles 400 and the shell 100, this sealing form can guarantee that the baffle 400 has good sealing property after being opened and closed for many times. And the baffle 400 and the rotating shaft 200 adopt a detachable design, which is convenient for disassembling and replacing the baffle 400.​

[0056] It should be noted that in this specification, the terms "comprising", "comprising" or any other variant thereof are intended to cover non-exclusive inclusion, so that processes, methods, articles or devices including a series of elements not only include those elements, but also include other elements not explicitly listed, or include elements inherent to such processes, methods, articles or devices. Without more limitations, the elements defined by the statement "comprise" do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0057] Although the content of the present application has been described in detail by the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation of the present application. After reading the above content, various modifications and alternatives of the present application will be obvious to those skilled in the art. Therefore, the protection scope of the present application should be defined by the appended claims.

Claims

1. A fire damper valve, characterized in that The utility model relates to a temperature control device, including: The shell is the hollow structure of two sides opening; Two rotating shafts are rotatably connected to the shell; A drive mechanism is arranged on the shell and drives the two rotating shafts to rotate; Two baffles are detachably mounted on the two rotating shafts, and the two baffles are respectively provided with a first engagement protrusion and a second engagement protrusion on both sides; Two third engagement protrusions are arranged on the inner walls of the two sides of the shell; A detection module is arranged on the shell for detecting the temperature in the shell.

2. The fire damper according to claim 1, wherein The drive mechanism includes: A drive unit is arranged on the shell and rotates with the two rotating shafts to drive the two rotating shafts to rotate; A protective shell is connected to the shell and covers the drive unit.

3. A fire damper according to claim 2, wherein The drive unit includes: A driving pulley is arranged on one of the rotating shafts; A driven pulley is arranged on the other rotating shaft; A belt connects the driving pulley and the driven pulley; An output end of a motor is connected to the driving pulley to drive the driving pulley to rotate.

4. The fire damper as set forth in claim 1, wherein It also includes: A mounting groove is formed in the rotating shaft, and the baffle is arranged in the mounting groove; Two locking holes are arranged at the top and bottom of the mounting groove; Two locking mechanisms are arranged at the top and bottom of the baffle to cooperate with the two locking holes to lock the baffle in the mounting groove.

5. The fire damper as described in claim 4, characterized in that, One of the locking mechanisms includes: A storage slot is formed in the top of the baffle; A moving hole is formed in the surface of the baffle and communicates with the storage slot; A spring is arranged in the storage slot; A locking rod is arranged in the storage slot, the bottom end of the locking rod is in contact with the spring, and the top end of the locking rod is inserted into one of the locking holes; A control block is connected to the locking rod through the moving hole.

6. A fire damper according to claim 5, wherein the sealing member is a strip of fire resistant material. The surface of the control block is provided with anti-slip patterns.

7. The fire damper according to claim 5, wherein The locking rod and the locking hole are matched in shape and are both cuboids.

8. The fire damper of claim 1, wherein, The detection module includes a temperature sensor arranged on the shell for detecting the temperature in the shell.

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