Fireproof smoke exhaust air duct connector

Abstract

The utility model discloses a fireproof smoke exhaust air duct connector which comprises a connecting block, a through hole is formed in the middle of the outer surface of the connecting block, a mounting sleeve is fixedly connected to the inner wall of the through hole, a smoke exhaust air duct body is connected to the inner wall of the mounting sleeve in an inserted mode, and first mounting holes are symmetrically formed in the outer surfaces of the two sides of the smoke exhaust air duct body; second mounting holes are symmetrically formed in the outer surface of the side, close to the first mounting hole, of the mounting sleeve. Through the arrangement of the connecting mechanism, the multiple smoke exhaust air duct bodies can be installed on the connecting block in a rapid clamping mode, the smoke exhaust air duct bodies can be installed in the vertical direction and the horizontal direction of the connecting block through the multiple through holes, and therefore the multiple smoke exhaust air duct bodies in different directions can be conveniently installed at the same time; and the two smoke exhaust air duct bodies in the vertical direction and the horizontal direction can be conveniently mounted and connected, so that the mounting efficiency is effectively improved, and meanwhile, the flexibility and practicability of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connecting device technical field, especially relates to fire prevention smoke exhaust air duct connector. BACKGROUND

[0002] The smoke exhaust device needs to use the smoke exhaust air duct to exhaust the smoke to the external air, the existing multiple smoke exhaust air ducts are connected through the connector, but most of the existing connectors are two-end connection, that is, one smoke exhaust air duct is installed at one end of the connector, and another smoke exhaust air duct is installed at the other end of the connector, so that two smoke exhaust air ducts are installed and connected, the connector has certain disadvantages in the process of using: first, it is inconvenient to connect and fix multiple smoke exhaust air ducts in different directions, and is only suitable for installing multiple smoke exhaust air ducts in the same direction, is inconvenient to install multiple smoke exhaust air ducts in different directions according to actual demand, and has poor applicability; second, the smoke exhaust air duct is usually installed with the connector by using the clamp, and the installation and disassembly are inconvenient, and it is inconvenient to quickly install and use, therefore, it is necessary to design a fire prevention smoke exhaust air duct connector which has strong applicability and is convenient to quickly install and disassemble the smoke exhaust air duct. SUMMARY

[0003] In order to overcome the inconvenience of installing multiple smoke exhaust air ducts in different directions according to actual demand and the inconvenience of quickly installing and disassembling the smoke exhaust air duct in the prior art, one of the purposes of the utility model is to provide a fire prevention smoke exhaust air duct connector.

[0004] One of the purposes of the utility model discloses a fire prevention smoke exhaust air duct connector which comprises a connecting block, a through hole is formed in the middle of the outer surface of the connecting block, an installation sleeve is fixedly connected to the inner wall of the through hole, a smoke exhaust air duct body is inserted into the installation sleeve, first installation holes are symmetrically formed in the outer surfaces of the two sides of the smoke exhaust air duct body, second installation holes are symmetrically formed in the outer surface of one side of the installation sleeve close to the first installation holes, a fixed sleeve is fixedly connected to the side wall of one side of the connecting block close to the second installation holes, a fixed plate is fixedly connected to one side of the fixed sleeve, a connecting mechanism is movably connected to the inner wall of the fixed sleeve, and the connecting mechanism is movably connected to the second installation holes and the first installation holes.

[0005] According to the fire prevention smoke exhaust air duct connector, one side of the limiting rod is fixedly connected with a knob.

[0006] According to the fire prevention smoke exhaust air duct connector, the outer surface of the knob is fixedly connected with anti-skid protrusions at equal intervals in a ring array.

[0007] According to the fire prevention smoke exhaust air duct connector, the width of the clamping block is matched with the width of the through groove.

[0008] According to the fire prevention smoke exhaust air duct connector, the upper surface of the fixed sleeve is symmetrically provided with grooves at equal intervals in a ring array, and the clamping rod is clamped with the fixed sleeve through the grooves.

[0009] According to the fire prevention smoke exhaust air duct connector, the diameter of the moving sleeve is matched with the diameter of the inner wall of the fixed sleeve, and the moving sleeve is movably connected with the fixed sleeve.

[0010] According to the fireproof smoke exhaust duct connector, the diameter of the moving sleeve is matched with the diameter of the first mounting hole and the second mounting hole, so that the moving sleeve is conveniently moved on the inner wall of the first mounting hole and the second mounting hole.

[0011] According to the fireproof smoke exhaust duct connector, a threaded groove is formed in the outer surface of the mounting sleeve near the second mounting hole, and a closing cover is threadedly connected to the outer surface of the mounting sleeve through the threaded groove, so that the unused mounting sleeve is conveniently closed, thereby ensuring the connection tightness between the smoke exhaust duct body and the connecting block, and air leakage is avoided.

[0012] According to the fireproof smoke exhaust duct connector, a rotating block is fixedly connected to the middle of one side of the closing cover, so that the closing cover is conveniently rotated, and the closing cover is conveniently mounted and dismounted.

[0013] According to the fireproof smoke exhaust duct connector, a sealing ring is fixedly connected to one side of the closing cover, so that the mounting tightness between the closing cover and the mounting sleeve is improved, and the sealing performance of the device is improved.

[0014] The above-mentioned scheme has the beneficial effects that:

[0015] 1. Through the arrangement of the connecting mechanism, a plurality of smoke exhaust duct bodies can be mounted on the connecting block in a quick clamping manner, and the smoke exhaust duct bodies can be mounted in the vertical direction and the horizontal direction of the connecting block through the plurality of through holes, so that a plurality of smoke exhaust duct bodies in different directions can be conveniently mounted at the same time, and the vertical and horizontal smoke exhaust duct bodies can be conveniently mounted and connected, thereby effectively improving the mounting efficiency and improving the flexibility and practicality of the device.

[0016] 2. Through the arrangement of the threaded groove, the closing cover and the mounting sleeve, the closing cover is mounted to the outer surface of the mounting sleeve without the smoke exhaust duct body through the threaded groove by rotating the rotating block, so that the mounting sleeve is closed, and the situation that the connecting block leaks smoke and air is avoided, and the practicality and safety of the device are effectively improved.

[0017] Additional aspects and advantages of the present application will be given in part in the following description, some of which will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further described below in combination with the drawings and embodiments.

[0019] Figure 1 It is a whole structure schematic view of the fireproof smoke exhaust duct connector.

[0020] Figure 2The utility model discloses a structure schematic drawing of the connecting mechanism of fire prevention smoke exhaust air duct connector;

[0021] Figure 3 The utility model discloses a structure schematic drawing of the inside section of fire prevention smoke exhaust air duct connector's mounting sleeve;

[0022] Figure 4 The utility model discloses a structure schematic drawing of the through slot of fire prevention smoke exhaust air duct connector;

[0023] Figure 5 The utility model discloses a structure schematic drawing of the sealing ring of fire prevention smoke exhaust air duct connector.

[0024] Legend:

[0025] 1, connecting block, 2, through -hole, 3, mounting sleeve, 4, smoke exhaust air duct body, 5, first mounting hole, 6, second mounting hole, 7, fixed sleeve, 8, fixed plate, 9, connecting mechanism, 901, lap rod, 902, through slot, 903, rotation axis, 904, clamping block, 905, spring, 906, moving sleeve, 907, limiting hole, 908, limiting rod, 10, knob, 11, anti -slip boss, 12, lap slot, 13, thread groove, 14, closed cover, 15, rotating block, 16, sealing ring. Specific embodiments

[0026] This part will describe the specific embodiment of the utility model in detail, and the preferred embodiment of the utility model is shown in the drawings, and the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it can not be understood as the limitation of the protection scope of the utility model.

[0027] Reference Figures 1-5The application discloses a fireproof smoke exhaust duct connector which comprises a connecting block 1, a through hole 2 is formed in the middle of the outer surface of the connecting block 1, an installation sleeve 3 is fixedly connected to the inner wall of the through hole 2, a smoke exhaust duct body 4 is inserted into the installation sleeve 3, a first installation hole 5 is symmetrically formed in the outer surface of the two sides of the smoke exhaust duct body 4, a second installation hole 6 is symmetrically formed in the outer surface of one side of the installation sleeve 3 close to the first installation hole 5, a fixed sleeve 7 is fixedly connected to the side wall of one side of the connecting block 1 close to the second installation hole 6, a fixed plate 8 is fixedly connected to one side of the fixed sleeve 7, a connecting mechanism 9 is movably connected to the inner wall of the fixed sleeve 7, the connecting mechanism 9 is movably connected to the second installation hole 6 and the first installation hole 5, the connecting mechanism 9 comprises a lap rod 901 which is overlapped on the upper surface of the fixed sleeve 7, a through groove 902 is formed in the lower surface of the lap rod 901 in a ring array mode, a rotating shaft 903 is fixedly connected to the inner wall of the through groove 902, a clamping block 904 is rotatably connected to the outer surface of the rotating shaft 903, a spring 905 is fixedly connected to one side of the upper surface of the clamping block 904, a moving sleeve 906 is fixedly connected to the other end of the spring 905, the moving sleeve 906 is slidably connected to the outer surface of the lap rod 901, a limiting hole 907 is formed in one side of the moving sleeve 906, a limiting rod 908 is screw-connected to the inner wall of the limiting hole 907, the limiting rod 908 penetrates through the fixed plate 8, the moving sleeve 906 and the lap rod 901 and is screw-connected to the fixed plate 8, the moving sleeve 906 and the lap rod 901, a knob 10 is fixedly connected to one side of the limiting rod 908, anti-skid convex blocks 11 are equidistantly and fixedly connected to the outer surface of the knob 10 in a ring array mode, the width of the clamping block 904 is matched with the width of the through groove 902, lap grooves 12 are equidistantly and formed in the upper surface of the fixed sleeve 7 in a ring array mode, the lap rod 901 is overlapped with the fixed sleeve 7 through the lap grooves 12, the diameter of the moving sleeve 906 is matched with the diameter of the inner wall of the fixed sleeve 7, the moving sleeve 906 is movably connected to the fixed sleeve 7, and the diameter of the moving sleeve 906 is matched with the diameter of the first installation hole 5 and the second installation hole 6.When it is needed to connect the smoke exhaust duct body 4 with the smoke exhaust duct body 4, one smoke exhaust duct body 4 is inserted into the mounting sleeve 3 on one side of the connecting block 1, then the moving sleeve 906 of the connecting mechanism 9 is moved downward to move downward on the outer surface of the lap rod 901 and press the spring 905, so as to drive the four clamping blocks 904 to rotate downward on the outer surface of the rotating shaft 903, then the connecting mechanism 9 is passed through the fixed sleeve 7 to make the lap rod 901 lap on the fixed sleeve 7 through the lap slot 12, and the connecting mechanism 9 passes through the second mounting hole 6 and the first mounting hole 5 into the smoke exhaust duct body 4, the moving sleeve 906 is moved upward on the outer surface of the lap rod 901 under the elastic action of the spring 905, and the clamping block 904 rebounds and abuts against the inner wall of the smoke exhaust duct body 4, then the knob 10 is rotated to drive the limiting rod 908 to rotate on the inner wall of the limiting hole 907, so as to limit and fix the connecting mechanism 9, avoid the moving sleeve 906 from moving by itself, so as to facilitate the installation of the smoke exhaust duct body 4 on the connecting block 1, and the other smoke exhaust duct body 4 is installed in the mounting sleeve 3 in the same way, so as to facilitate the installation of multiple smoke exhaust duct bodies 4 in different directions, and facilitate the installation and connection of two smoke exhaust duct bodies 4 in vertical and horizontal directions, thereby effectively improving the installation efficiency, and improving the flexibility and practicality of the device.

[0028] The outer surface of the mounting sleeve 3 on one side close to the second mounting hole 6 is provided with a threaded groove 13, and the outer surface of the mounting sleeve 3 on one side is connected through the threaded groove 13, and the one side of the closing cover 14 is fixedly connected with the rotating block 15, and the one side of the closing cover 14 is fixedly connected with the sealing ring 16. When it is not needed to use the mounting sleeve 3 to install the smoke exhaust duct body 4 with the connecting block 1, the rotating block 15 is rotated to install the closing cover 14 on the outer surface of the mounting sleeve 3 through the threaded groove 13, so as to close the mounting sleeve 3, thereby avoiding the situation that the connecting block 1 leaks smoke and air, and improving the practicality and safety of the device.

[0029] Working principle: when it is needed to connect the smoke exhaust duct body 4 with the smoke exhaust duct body 4, one smoke exhaust duct body 4 is inserted into the mounting sleeve 3 on one side of the connecting block 1, then the moving sleeve 906 of the connecting mechanism 9 is moved downward to make it move downward on the outer surface of the lap joint rod 901 and press the spring 905, so as to drive the four clamping blocks 904 to rotate downward on the outer surface of the rotating shaft 903, then the connecting mechanism 9 is passed through the fixed sleeve 7 to make the lap joint rod 901 lap on the fixed sleeve 7 through the lap joint groove 12, and make the connecting mechanism 9 pass through the second mounting hole 6 and the first mounting hole 5 into the smoke exhaust duct body 4, loosen the moving sleeve 906, the moving sleeve 906 will move upward on the outer surface of the lap joint rod 901 under the elastic action of the spring 905, at the same time, the clamping block 904 rebounds and abuts against the inner wall of the smoke exhaust duct body 4, then rotate the knob 10 to drive the limiting rod 908 to rotate to the inner wall of the limiting hole 907, so as to limit and fix the connecting mechanism 9, avoid the moving sleeve 906 from moving by itself, so as to facilitate the installation of the smoke exhaust duct body 4 on the connecting block 1, and the other smoke exhaust duct body 4 is installed in the mounting sleeve 3 in the same way, so as to facilitate the installation of multiple smoke exhaust duct bodies 4 in different directions at the same time, and facilitate the installation and connection of two smoke exhaust duct bodies 4 in vertical and horizontal directions, thereby effectively improving the installation efficiency, at the same time, improving the flexibility and practicality of the device, when it is not needed to use the mounting sleeve 3 to install the smoke exhaust duct body 4 with the connecting block 1, rotate the rotating block 15 to install the closing cover 14 on the outer surface of the mounting sleeve 3 through the threaded groove 13, so as to close the mounting sleeve 3, thereby avoiding the situation of smoke leakage and air leakage of the connecting block 1, improving the practicality and safety of the device.

[0030] The above embodiment of the present application is described in detail in combination with the drawings, but the present application is not limited to the above embodiment, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the present application.

Claims

1. A fire damper and smoke damper duct connector, characterized in that The utility model relates to a kind of smoke exhaust air ducts, including connecting block (1): the middle part of the outer surface of the connecting block (1) is equipped with through hole (2), the inner wall of the through hole (2) is fixedly connected with installation sleeve (3), the inner wall of the installation sleeve (3) is inserted with smoke exhaust air duct body (4), the both sides outer surface of the smoke exhaust air duct body (4) is symmetrically equipped with first installation hole (5), the outer surface of the installation sleeve (3) side close to first installation hole (5) is symmetrically equipped with second installation hole (6), the side wall of the connecting block (1) close to second installation hole (6) is fixedly connected with fixed sleeve (7), the side of the fixed sleeve (7) is fixedly connected with fixed plate (8), the inner wall of the fixed sleeve (7) is movably connected with connecting mechanism (9), and the connecting mechanism (9) is movably connected with second installation hole (6) and first installation hole (5); The connecting mechanism (9) includes a lap bar (901) that lapped on the upper surface of the fixed sleeve (7), the lower surface of the lap bar (901) is equipped with a through slot (902) in an annular array, the inner wall of the through slot (902) is fixedly connected with a rotating shaft (903), the outer surface of the rotating shaft (903) is rotatably connected with a clamping block (904), one side of the upper surface of the clamping block (904) is fixedly connected with a spring (905), the other end of the spring (905) is fixedly connected with a moving sleeve (906), the moving sleeve (906) is slidably connected to the outer surface of the lap bar (901), one side of the moving sleeve (906) is equipped with a limiting hole (907), the inner wall of the limiting hole (907) is threadedly connected with a limiting rod (908), and the limiting rod (908) penetrates through the fixed plate (8), the moving sleeve (906) and the lap bar (901) and is threadedly connected with the fixed plate (8), the moving sleeve (906) and the lap bar (901).

2. The fire damming smoke evacuation air duct connector of claim 1, wherein, One side of the limiting rod (908) is fixedly connected with a knob (10).

3. The fire damming smoke evacuation air duct connector of claim 2, wherein, The outer surface of the knob (10) is fixedly connected with a plurality of anti-skid protrusions (11) in an annular array.

4. The fire damming smoke evacuation air duct connector of claim 1, wherein, The width of the clamping block (904) is adapted to the width of the through slot (902).

5. The fire damming smoke evacuation air duct connector of claim 1, wherein, The upper surface of the fixed sleeve (7) is equidistantly equipped with a plurality of lap grooves (12) in an annular array, and the lap bar (901) is lapped with the fixed sleeve (7) through the lap grooves (12).

6. The fire damming smoke evacuation air duct connector of claim 1, wherein, The diameter of the moving sleeve (906) is adapted to the diameter of the inner wall of the fixed sleeve (7), and the moving sleeve (906) is movably connected with the fixed sleeve (7).

7. The fire damming smoke evacuation air duct connector of claim 1, wherein, The diameter of the moving sleeve (906) is adapted to the diameter of the first installation hole (5) and the second installation hole (6).

8. The fire damming smoke evacuation air duct connector of claim 1, wherein, The outer surface of the installation sleeve (3) side close to the second installation hole (6) is equipped with a threaded groove (13), and the outer surface of one side of the installation sleeve (3) is threadedly connected with a closure cover (14) through the threaded groove (13).

9. The fire damming smoke evacuation air duct connector of claim 8, wherein, One side of the closure cover (14) is fixedly connected with a rotating block (15).

10. The fire damming smoke evacuation air duct connector of claim 8, wherein, One side of the closing cover (14) is fixedly connected with a sealing ring (16).

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