Combined air valve for subway

Abstract

The utility model relates to the technical field of combined air valves, in particular to a combined air valve for a subway, which comprises a frame, a plurality of blade components are inserted in the frame, a driving mechanism is fixedly mounted in the frame, and the frame comprises two first frame bodies, two second frame bodies and a plurality of third frame bodies. The two sides of the two first frame bodies are fixedly installed on one sides of the corresponding second frame bodies respectively, and the two sides of the third frame bodies are fixedly installed on one sides of the corresponding first frame bodies respectively. The blade assembly has the advantages that the number of the transverse extension rods, the number of the vertical rods and the number of the auxiliary rods can be increased or decreased according to the actual situation, the vertical rods and the auxiliary rods can be cut in the implementation process, larger flexibility is provided for combination, the blade assembly can be installed by placing the sliding blocks into the first sliding grooves and the second sliding grooves, installation is very convenient, and the service life of the blade assembly is prolonged. And therefore, the exhaust area can be adjusted by increasing or decreasing the number of the blades, and the limitation of combined use is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of combined air valves, in particular to a combined air valve for subways. Background Art

[0002] The valves installed in the ventilation, air conditioning and smoke exhaust systems of basements, shopping malls, high-rise buildings, subways and other buildings are usually open. In the event of a fire, when the smoke temperature in the pipe reaches a certain temperature, the valve will be closed and can meet the air leakage and fire resistance integrity requirements within a certain period of time, thereby preventing the spread of fire.

[0003] Some existing combined dampers only increase the exhaust area by increasing the number of dampers. It is not convenient to assemble more blades to increase the exhaust area, and there are limitations in the combined use.

[0004] In this regard, the utility model proposes a combined air valve for subway to solve this problem. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the present invention is to provide a combined air valve for subways to solve the problems mentioned in the background art and overcome the deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the present invention provides a combined air valve for subways, including a frame, a plurality of blade assemblies are inserted into the interior of the frame, a driving mechanism is fixedly installed inside the frame, and the frame includes two first frames, two second frames, and a plurality of third frames, the two sides of the two first frames are respectively fixedly installed on one side of the corresponding second frame, and the two sides of the third frame are respectively fixedly installed on one side of the corresponding first frame.

[0008] Preferably, any of the above schemes is that the first frame includes a first connecting member, a second connecting member and several transverse extension rods, and the two sides of several transverse extension rods are respectively fixedly connected to one side of adjacent transverse extension rods, one side of one of the transverse extension rods is fixedly installed with one side of the first connecting member, and one side of one of the transverse extension rods is fixedly installed with one side of the second connecting member, and one side of the first connecting member, the second connecting member and several transverse extension rods are each provided with a mounting groove.

[0009] Preferably, from any of the above schemes, the second frame includes a plurality of vertical poles, both sides of the plurality of vertical poles are fixedly connected to one side of adjacent vertical poles, and one side of one of the vertical poles is fixedly installed with one side of the first connecting member, one side of one of the vertical poles is fixedly installed with one side of the second connecting member, and a first sliding groove is provided on one side of the plurality of vertical poles.

[0010] Preferably, from any of the above schemes, the third frame includes a plurality of auxiliary rods, and both sides of the plurality of auxiliary rods are fixedly connected to one side of adjacent auxiliary rods, wherein one side of two of the auxiliary rods is fixedly installed on one side of the corresponding transverse extension rod, and a second sliding groove is provided on both sides of the plurality of auxiliary rods.

[0011] The technical effect achieved by adopting the above scheme is: facilitating assembly and combination.

[0012] Preferably, the blade assembly includes a blade, a first rotating shaft is fixedly installed inside the blade, a slider is rotatably connected to both sides of the first rotating shaft, and the interior of one of the sliders is rotatably connected to a second rotating shaft, a first gear is fixedly installed outside the second rotating shaft, a second gear is meshed with one side of the first gear, and the interior of the second gear is fixedly installed on the outside of the first rotating shaft.

[0013] Preferably, any of the above schemes is that the outside of the slider is slidably connected to the inside of the corresponding first slide groove and the second slide groove, a fixing groove is opened on both sides of the blade, and a first sealing strip is fixedly installed inside the two fixing grooves.

[0014] Preferably, any of the above solutions is that a fixing block is fixedly mounted on one side of each of the second connecting member and the transverse extension rod, and a second sealing strip is fixedly mounted on one side of each of the fixing blocks.

[0015] The technical effect achieved by adopting the above solution is that the sealing performance can be improved.

[0016] Preferably, from any of the above schemes, the driving mechanism includes a driving motor and a third rotating shaft, the outside of the driving motor is fixedly mounted on the inside of the corresponding mounting slot, the outside of the third rotating shaft is rotatably connected to the inside of the corresponding mounting slot, a third gear is fixedly mounted on the outside of the third rotating shaft, a fourth gear is meshed with the outside of the third gear, a fourth rotating shaft is fixedly mounted on the inside of the fourth gear, and the outside of the fourth rotating shaft is rotatably connected to the inside of the corresponding mounting slot.

[0017] Preferably, any of the above solutions is that a fifth rotating shaft is fixedly mounted on the output end of the driving motor, and a transmission shaft is clamped between two adjacent third rotating shafts.

[0018] Preferably, any of the above schemes is that a transmission groove is provided on one side of the second rotating shaft, the third rotating shaft, the fourth rotating shaft, the fifth rotating shaft and the transmission shaft, and a transmission block is fixedly connected to one side of the second rotating shaft, the third rotating shaft and the transmission shaft, and the outsides of several of the transmission blocks are respectively inserted into the inside of the corresponding transmission grooves.

[0019] The technical effect achieved by adopting the above solution is: facilitating power transmission.

[0020] Compared with the prior art, the advantages and beneficial effects of the present invention are as follows:

[0021] The frame in the utility model is composed of a first connecting member, a second connecting member, a horizontal extension rod, a vertical rod and an auxiliary rod, wherein the number of the horizontal extension rod, the vertical rod and the auxiliary rod can be increased or decreased according to actual conditions, and the vertical rod and the auxiliary rod can also be cut during implementation, which provides greater flexibility for the combination. The blade assembly can be installed by placing the slider into the first slide groove and the second slide groove, and the second rotating shaft is connected by the transmission block and the transmission groove, which is very convenient to install. The increase or decrease of the blade assembly is more flexible, and the exhaust area can be adjusted by increasing or decreasing the blades, which effectively reduces the limitations of the combined use and ensures the practicality of the device.

[0022] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0024] Figure 1 It is a structural schematic diagram according to an embodiment of the present utility model;

[0025] Figure 2 It is a schematic cross-sectional view of an embodiment of the present invention;

[0026] Figure 3 According to the embodiment of the present utility model Figure 3 A magnified schematic diagram of the structure at center A;

[0027] Figure 4 Schematic diagram of the cross-sectional structure of the first frame and the driving mechanism according to an embodiment of the present utility model;

[0028] Figure 5 This is a structural diagram of a frame according to an embodiment of the utility model;

[0029] Figure 6It is a partial structural diagram according to an embodiment of the present utility model;

[0030] Figure 7 It is a partial cross-sectional structural schematic diagram according to an embodiment of the present utility model;

[0031] Figure 8 This is a schematic structural diagram of a blade assembly according to an embodiment of the present utility model;

[0032] Figure 9 Schematic diagram of the structure of the second frame according to an embodiment of the present utility model.

[0033] In the figure: 1-frame, 2-blade assembly, 21-blade, 22-first rotating shaft, 23-slider, 24-second rotating shaft, 25-first gear, 26-second gear, 3-driving mechanism, 31-driving motor, 32-third rotating shaft, 33-third gear, 34-fourth gear, 35-fourth rotating shaft, 36-fifth rotating shaft, 37-transmission shaft, 4-first frame, 41-first connecting member, 42-second connecting member, 43-lateral extension rod, 44-mounting groove, 5-second frame, 51-vertical pole, 52-first slide groove, 6-third frame, 61-auxiliary rod, 62-second slide groove, 7-first sealing strip, 8-second sealing strip. DETAILED DESCRIPTION

[0034] Example: Figures 1 to 9 As shown, a combined air valve for subways includes a frame 1, a plurality of blade assemblies 2 are inserted into the interior of the frame 1, a drive mechanism 3 is fixedly installed inside the frame 1, and the drive mechanism 3 is located inside one of the first frames 4. The frame 1 includes two first frames 4, two second frames 5, and a plurality of third frames 6. The two sides of the two first frames 4 are respectively fixedly installed on one side of the corresponding second frame 5, and the two sides of the third frame 6 are respectively fixedly installed on one side of the corresponding first frame 4.

[0035] The first frame 4 includes a first connecting member 41, a second connecting member 42 and several transverse extension rods 43. The number of transverse extension rods 43 in the figure is two. During implementation, technicians can increase or decrease them according to actual conditions. When the number is zero, the first connecting member 41 and the second connecting member 42 can be directly connected. Technicians can cooperate with the plan for implementation. The two sides of several transverse extension rods 43 are respectively fixedly connected to one side of the adjacent transverse extension rods 43. One side of one transverse extension rod 43 is fixedly installed with one side of the first connecting member 41, and one side of one transverse extension rod 43 is fixedly installed with one side of the second connecting member 42. A mounting groove 44 is provided on one side of the first connecting member 41, the second connecting member 42 and the several transverse extension rods 43. The mounting groove 44 is provided for installing the drive mechanism 3.

[0036] The second frame 5 includes a plurality of vertical poles 51. The number of vertical poles 51 in the figure is two. During implementation, technical personnel can increase or decrease the number according to actual conditions, and the minimum number is one. During further implementation, technical personnel can also cooperate with existing technology to cut. The details are not repeated here. The two sides of the plurality of vertical poles 51 are respectively fixedly connected to one side of the adjacent vertical poles 51, and one side of one of the vertical poles 51 is fixedly installed with one side of the first connecting member 41, and one side of one of the vertical poles 51 is fixedly installed with one side of the second connecting member 42. A first sliding groove 52 is provided on one side of the plurality of vertical poles 51.

[0037] The third frame 6 includes a plurality of auxiliary rods 61. The number of the third frame 6 is the same as the number of the transverse extension rods 43, and the number of the auxiliary rods 61 in the same third frame 6 is the same as the number of the vertical rods 51 in the same second frame 5. The two sides of the auxiliary rods 61 are respectively fixedly connected to one side of the adjacent auxiliary rods 61, wherein one side of two auxiliary rods 61 is respectively fixedly installed on one side of the corresponding transverse extension rod 43. A second slide groove 62 is provided on both sides of the auxiliary rods 61. The second slide groove 62 and the first slide groove 52 have the same shape and size and are used to place the blade assembly 2.

[0038] The blade assembly 2 includes a blade 21, a first rotating shaft 22 is fixedly installed inside the blade 21, and a slider 23 is rotatably connected to both sides of the first rotating shaft 22, and the interior of one of the sliders 23 is rotatably connected to a second rotating shaft 24, and a first gear 25 is fixedly installed on the outside of the second rotating shaft 24, and a second gear 26 is meshed with one side of the first gear 25, and the interior of the second gear 26 is fixedly installed on the outside of the first rotating shaft 22.

[0039] The outside of the slider 23 is slidably connected to the inside of the corresponding first slide groove 52 and the second slide groove 62. A fixed groove is opened on both sides of the blade 21, and a first sealing strip 7 is fixedly installed inside the two fixed grooves. When the blade 21 is closed, the first sealing strips 7 fit between the blades 7, and the first sealing strips 7 at the top and bottom fit with the corresponding second sealing strips 8, thereby improving the sealing after closing. The first sealing strip 7 and the second sealing strip 8 are both fireproof sealing strips.

[0040] A fixing block is fixedly mounted on one side of the second connecting member 42 and the transverse extension rod 43 , and a second sealing strip 8 is fixedly mounted on one side of the fixing block.

[0041] The driving mechanism 3 includes a driving motor 31 and a third rotating shaft 32. The outside of the driving motor 31 is fixedly installed inside the corresponding mounting groove 44. The outside of the third rotating shaft 32 is rotatably connected to the inside of the corresponding mounting groove 44. A third gear 33 is fixedly installed on the outside of the third rotating shaft 32. A fourth gear 34 is engaged with the outside of the third gear 33. A fourth rotating shaft 35 is fixedly installed inside the fourth gear 34. The outside of the fourth rotating shaft 35 is rotatably connected to the inside of the corresponding mounting groove 44. The driving mechanism 3 is installed as a whole inside the mounting groove 44, which can shield the driving mechanism 3 and reduce the damage to the driving mechanism 3 caused by external factors.

[0042] A fifth rotating shaft 36 is fixedly mounted on the output end of the driving motor 31 , and a transmission shaft 37 is clamped between two adjacent third rotating shafts 32 to facilitate the connection of the two adjacent third rotating shafts 32 .

[0043] A transmission groove is provided on one side of the second rotating shaft 24, the third rotating shaft 32, the fourth rotating shaft 35, the fifth rotating shaft 36 and the transmission shaft 37. A transmission block is fixedly connected to one side of the second rotating shaft 24, the third rotating shaft 32 and the transmission shaft 37. The outsides of the several transmission blocks are respectively inserted into the insides of the corresponding transmission grooves. The setting of the transmission blocks and the transmission grooves can facilitate splicing.

[0044] The electrical components appearing in the present invention are all connected to the external main controller and 220V AC power through a transformer, and the main controller can be a conventional known device that controls a computer, etc. The electrical components provided by the present invention are only used for the purpose of this technical solution based on the structural characteristics of the product. The product will be adjusted and modified after purchase to make it more compatible with and consistent with the technical solution of the present invention. It is a technical solution for the best application of the present technical solution. The model of the product can be replaced and modified according to the required technical parameters. It is well known to technical personnel in this field. Therefore, technical personnel in this field can clearly obtain the corresponding use effect through the technical solution provided by the present invention.

[0045] A combined air valve for subway, the working principle is as follows:

[0046] 1) When the damper needs to be opened or closed, the drive motor 31 rotates via the fifth rotating shaft 36, which then drives the third rotating shaft 32 to rotate. With the cooperation of the transmission shaft 37, multiple third rotating shafts 32 can be continuously driven to rotate. The third rotating shaft 32 drives the fourth rotating shaft 35 to rotate with the cooperation of the third gear 33 and the fourth gear 34, and then drives the second rotating shaft 24 to rotate. With the cooperation of the first gear 25 and the second gear 26, the rotation is transmitted to the first rotating shaft 22, driving the blades 21 to flip, thereby opening and closing the damper.

[0047] 2) The frame 1 of the present invention can be freely assembled according to the construction conditions with the cooperation of the first connecting member 41, the second connecting member 42, the transverse extension rod 43, the vertical rod 51 and the auxiliary rod 61. The blade assembly 2 can be installed by placing the slider 23 into the first slide groove 52 and the second slide groove 62. The second rotating shaft 24 is connected by the transmission block and the transmission groove, which facilitates installation and effectively reduces the limitations of the assembly.

[0048] 3) By providing the first sealing strip 7 and the second sealing strip 8, the sealing performance after the air valve is closed can be improved, thereby further improving the protection effect and preventing the spread of fire.

[0049] Compared with the prior art, the present invention has the following beneficial effects:

[0050] The frame 1 in the present invention is composed of a first connecting member 41, a second connecting member 42, a horizontal extension rod 43, a vertical rod 51 and an auxiliary rod 61, wherein the number of the horizontal extension rod 43, the vertical rod 51 and the auxiliary rod 61 can be increased or decreased according to actual conditions, and the vertical rod 51 and the auxiliary rod 61 can also be cut during implementation, which provides greater flexibility for the combination. The blade assembly 2 can be installed by placing the slider 23 into the first slide groove 52 and the second slide groove 62, and the second rotating shaft 24 is connected by the transmission block and the transmission groove, which is very convenient to install. The increase or decrease of the blade assembly 2 is more flexible, and the exhaust area can be adjusted by increasing or decreasing the blades, which effectively reduces the limitations of combined use and ensures the practicality of the device.

Claims

1. A combined air valve for subway, characterized by: The invention comprises a frame (1), a plurality of blade assemblies (2) are inserted into the interior of the frame (1), a driving mechanism (3) is fixedly installed inside the frame (1), the frame (1) comprises two first frames (4), two second frames (5), and a plurality of third frames (6), the two sides of the two first frames (4) are respectively fixedly installed on one side of the corresponding second frame (5), and the two sides of the third frame (6) are respectively fixedly installed on one side of the corresponding first frame (4); The first frame (4) comprises a first connecting member (41), a second connecting member (42) and a plurality of transverse extension rods (43), the two sides of the plurality of transverse extension rods (43) are respectively fixedly connected to one side of an adjacent transverse extension rod (43), one side of one of the transverse extension rods (43) is fixedly mounted to one side of the first connecting member (41), one side of one of the transverse extension rods (43) is fixedly mounted to one side of the second connecting member (42), and one side of the first connecting member (41), the second connecting member (42) and the plurality of transverse extension rods (43) are all provided with a mounting groove (44); The second frame (5) includes a plurality of vertical rods (51), both sides of the plurality of vertical rods (51) are fixedly connected to one side of an adjacent vertical rod (51), and one side of one of the vertical rods (51) is fixedly installed to one side of the first connecting member (41), and one side of one of the vertical rods (51) is fixedly installed to one side of the second connecting member (42), and a first sliding groove (52) is provided on one side of the plurality of vertical rods (51); The third frame (6) includes a plurality of auxiliary rods (61), both sides of the plurality of auxiliary rods (61) are fixedly connected to one side of an adjacent auxiliary rod (61), wherein one side of two of the auxiliary rods (61) is fixedly mounted on one side of a corresponding transverse extension rod (43), and a second sliding groove (62) is provided on both sides of the plurality of auxiliary rods (61).

2. The combined air valve for subway according to claim 1, characterized in that: The blade assembly (2) comprises a blade (21), a first rotating shaft (22) being fixedly mounted inside the blade (21), a slider (23) being rotatably connected to both sides of the first rotating shaft (22), and a second rotating shaft (24) being rotatably connected to the inside of one of the sliders (23), a first gear (25) being fixedly mounted outside the second rotating shaft (24), a second gear (26) being meshed with one side of the first gear (25), and the inside of the second gear (26) being fixedly mounted outside the first rotating shaft (22).

3. The combined air valve for subway according to claim 2, characterized in that: The outside of the slider (23) is slidably connected to the inside of the corresponding first slide groove (52) and the second slide groove (62), and a fixing groove is provided on both sides of the blade (21). A first sealing strip (7) is fixedly installed inside the two fixing grooves.

4. The combined air valve for subway according to claim 3, characterized in that: A fixing block is fixedly mounted on one side of each of the second connecting member (42) and the transverse extension rod (43), and a second sealing strip (8) is fixedly mounted on one side of each of the fixing blocks.

5. The combined air valve for subway according to claim 4, characterized in that: The driving mechanism (3) comprises a driving motor (31) and a third rotating shaft (32). The outer portion of the driving motor (31) is fixedly mounted inside a corresponding mounting groove (44). The outer portion of the third rotating shaft (32) is rotatably connected to the inner portion of the corresponding mounting groove (44). A third gear (33) is fixedly mounted on the outer portion of the third rotating shaft (32). A fourth gear (34) is meshed with the outer portion of the third gear (33). A fourth rotating shaft (35) is fixedly mounted inside the fourth gear (34). The outer portion of the fourth rotating shaft (35) is rotatably connected to the inner portion of the corresponding mounting groove (44).

6. The combined air valve for subway according to claim 5, characterized in that: A fifth rotating shaft (36) is fixedly mounted on the output end of the driving motor (31), and a transmission shaft (37) is clamped between two adjacent third rotating shafts (32).

7. The combined air valve for subway according to claim 6, characterized in that: A transmission groove is provided on one side of each of the second rotating shaft (24), the third rotating shaft (32), the fourth rotating shaft (35), the fifth rotating shaft (36) and the transmission shaft (37); a transmission block is fixedly connected to one side of each of the second rotating shaft (24), the third rotating shaft (32) and the transmission shaft (37); and the outsides of several of the transmission blocks are respectively plugged into the insides of the corresponding transmission grooves.

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