Fabricated fire-fighting smoke exhaust air pipe

Abstract

The utility model relates to the technical field of smoke exhaust air pipes, and discloses an assembly type fire-fighting smoke exhaust air pipe which comprises a first smoke exhaust pipe, a second smoke exhaust pipe is arranged on the right side of the first smoke exhaust pipe, connecting mechanisms are arranged at the top and the bottom of the first smoke exhaust pipe, a lifting mechanism is arranged on one side of each connecting mechanism, and each connecting mechanism comprises a supporting seat. The supporting seat is arranged on one side of the lifting mechanism, a threaded cylinder is rotationally connected into the supporting seat, a threaded rod is in threaded connection with the inner wall of the threaded cylinder, and a twisting sleeve B is fixedly connected with the outer wall of the threaded cylinder. According to the assembly type fire-fighting smoke exhaust air pipe, through the arranged connecting mechanism, a threaded rod can drive a positioning plate to move, the positioning plate can push a square sealing ring A to be stably inserted into the outer side of a first smoke exhaust pipe, and therefore it can be guaranteed that the first smoke exhaust pipe and a second smoke exhaust pipe can be stably connected; and meanwhile, assembly and installation can be achieved without the help of external tools in the assembly process, good installation efficiency can be achieved, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a smoke exhaust duct technology field, concretely is a kind of assembly type fire-fighting smoke exhaust duct. BACKGROUND

[0002] Fire-fighting smoke exhaust duct refers to the wind pipe installed in building to meet the needs of fire safety and production, for smoke exhaust, ventilation, air supply or return air, fire-fighting smoke exhaust duct exhausts smoke and harmful gas outside the building, keeps indoor evacuation passage unobstructed, avoids smoke accumulation leading to fire spread intensification.

[0003] In fire engineering, smoke exhaust duct is used to discharge smoke, and the common smoke exhaust duct is usually connected and installed by multiple pipes, which needs more flanges and external tools to realize assembly and installation, so that the installation efficiency cannot be improved, and the practicability of the device is reduced. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of assembly type fire-fighting smoke exhaust duct to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: an assembly type fire-fighting smoke exhaust duct, comprising a first smoke exhaust pipe, the right side of the first smoke exhaust pipe is provided with a second smoke exhaust pipe, the top and bottom of the first smoke exhaust pipe are provided with a connecting mechanism, and the connecting mechanism is provided with a lifting mechanism on one side.

[0006] The connecting mechanism comprises a support seat, the support seat is arranged on one side of the lifting mechanism, a threaded cylinder is rotatably connected in the support seat, a threaded rod is threadedly connected to the inner wall of the threaded cylinder, a torsion sleeve B is fixedly connected to the outer wall of the threaded cylinder, a positioning plate is fixedly connected to the end of the threaded rod away from the threaded cylinder, a T-shaped rod one is fixedly connected to one side of the positioning plate, a support plate is fixedly connected to the outer side of the support seat, a square sealing ring A is fixedly connected to the outer side of the second smoke exhaust pipe, a square sealing ring C is fixedly connected to the inner wall of the second smoke exhaust pipe, and a square sealing ring B is fixedly connected to the left side of the second smoke exhaust pipe.

[0007] Preferably, the square sealing ring A is inserted into the outer side of the first smoke exhaust pipe, and the square sealing ring C is inserted into the inner wall of the first smoke exhaust pipe, so that the sealing performance of the connection can be ensured under the mutual cooperation of the square sealing ring A and the square sealing ring C.

[0008] Preferably, a sealing groove is formed in the right side of the first smoke exhaust pipe, the square sealing ring B is movably connected to the inner wall of the sealing groove, and the side of the positioning plate is in contact with the side of the square sealing ring A, so as to further ensure the stability of sealing and facilitate the further development of smoke exhaust work.

[0009] Preferably, the support plate is internally provided with a through hole, the T-shaped rod penetrates through the through hole and slides, and the positioning plate is stably positioned, so that the positioning plate can be better reinforced.

[0010] Preferably, the lifting mechanism comprises a fixed groove, a protruding block is slidably connected to the inner wall of the fixed groove, one side of the protruding block is fixedly connected with a T-shaped rod two, and the outer wall of the T-shaped rod two is provided with a torsion sleeve A.

[0011] Preferably, a notch is formed in one side of the fixed groove, and the T-shaped rod two penetrates through the notch and moves, so that the T-shaped rod two can move through the notch.

[0012] Preferably, the protruding block is fixedly connected to one side of the support base, the inner wall of the torsion sleeve A and the outer wall of the T-shaped rod two are respectively provided with matching thread shapes, and the torsion sleeve A is screw-connected to the outer wall of the T-shaped rod two, so that the torsion sleeve A can be pressed on one side of the fixed groove, thereby achieving the purpose of reinforcement.

[0013] Compared with the prior art, the assembly type fire smoke exhaust air pipe has the following beneficial effects:

[0014] 1. The assembly type fire smoke exhaust air pipe is provided with a connecting mechanism, the threaded cylinder and the threaded rod are screw-connected, the positioning plate can drive the T-shaped rod one to slide and be positioned in the support plate, the threaded rod drives the positioning plate to move, the positioning plate can push the square sealing ring A to be stably inserted to the outer side of the first smoke exhaust pipe, the first smoke exhaust pipe and the second smoke exhaust pipe can be stably connected, the assembly and installation can be realized without the aid of external tools during assembly, good installation efficiency can be achieved, and the practicality of the device is enhanced.

[0015] 2. The assembly type fire smoke exhaust air pipe is provided with a lifting mechanism, the square sealing ring A can be inserted to the outer side of the first smoke exhaust pipe, the torsion sleeve A is rotated again, the torsion sleeve A is pressed on the fixed groove, the support base maintains a certain height, further installation work can be carried out, the positioning plate can also be lowered in height, the flexibility of the device is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without paying creative labor:

[0017] Figure 1The structure front view of the utility model;

[0018] Figure 2 The structure left view of the utility model;

[0019] Figure 3 The right view at the first smoke exhaust pipe;

[0020] Figure 4 The left view at the second smoke exhaust pipe;

[0021] Figure 5 The Figure 2 The enlarged structure schematic view at A.

[0022] In the figure: 1, the first smoke exhaust pipe;2, the second smoke exhaust pipe;3, the connecting mechanism;31, the support seat;32, the threaded cylinder;33, the threaded rod;34, the positioning plate;35, the torsion sleeve B;36, the support plate;37, the T-shaped rod one;38, the square sealing ring A;39, the square sealing ring B;301, the square sealing ring C;4, the lifting mechanism;41, the fixed groove;42, the protruding block;43, the T-shaped rod two;44, the torsion sleeve A. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] In the utility model, unless another explicit provision and limitation, the terms "mount", "connect", "connect", "fix" and other terms should be understood broadly, for example, can be fixed connection, can be detachable connection, or be integrated;Can be mechanical connection, or electrical connection;Can be directly connected, or indirectly connected through the intermediate medium, can be the communication inside two elements or the interaction relationship of two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] The utility model provides the following technical scheme:

[0026] Embodiment one

[0027] Combined Figures 1 to 5 A fabricated fire-fighting smoke exhaust air pipe, including the first smoke exhaust pipe 1, the first smoke exhaust pipe 1 right side is provided with the second smoke exhaust pipe 2, the first smoke exhaust pipe 1 top and bottom are all provided with the connecting mechanism 3, and the connecting mechanism 3 one side is provided with the lifting mechanism 4;

[0028] The connecting mechanism 3 comprises a supporting seat 31 provided on one side of the lifting mechanism 4, a threaded cylinder 32 rotatably connected inside the supporting seat 31, a threaded rod 33 threadedly connected to the inner wall of the threaded cylinder 32, a torsion sleeve B 35 fixedly connected to the outer wall of the threaded cylinder 32, a positioning plate 34 fixedly connected to one end of the threaded rod 33 away from the threaded cylinder 32, a T-shaped rod one 37 fixedly connected to one side of the positioning plate 34, a supporting plate 36 fixedly connected to the outer side of the supporting seat 31, a square sealing ring A 38 fixedly connected to the outer side of the second smoke exhaust pipe 2, a square sealing ring C 301 fixedly connected to the inner wall of the second smoke exhaust pipe 2, and a square sealing ring B 39 fixedly connected to the left side of the second smoke exhaust pipe 2.

[0029] Further, the square sealing ring A 38 is inserted into the outer side of the first smoke exhaust pipe 1, and the square sealing ring C 301 is inserted into the inner wall of the first smoke exhaust pipe 1. Under the mutual cooperation of the square sealing ring A 38 and the square sealing ring C 301, the sealing performance of the connection can be ensured.

[0030] Further, the first smoke exhaust pipe 1 is provided with a sealing groove on the right side, and the square sealing ring B 39 is movably connected to the inner wall of the sealing groove. One side of the positioning plate 34 is in contact with one side of the square sealing ring A 38, which further ensures the stability of the sealing and facilitates the further development of the smoke exhaust work.

[0031] Further, the supporting plate 36 is provided with a through hole inside, and the T-shaped rod one 37 penetrates through the through hole and slides. The positioning plate 34 is stably positioned, so that it can be better reinforced.

[0032] Embodiment two

[0033] Reference Figures 1 to 5 On the basis of embodiment one, the lifting mechanism 4 further comprises a fixed groove 41, the fixed groove 41 is movably connected with a protruding block 42 on the inner wall, the protruding block 42 is fixedly connected with a T-shaped rod two 43 on one side, and the T-shaped rod two 43 is provided with a torsion sleeve A 44 on the outer wall, so that the supporting seat 31 can be ensured at a certain height, and the first smoke exhaust pipe 1 and the second smoke exhaust pipe 2 can be better spliced.

[0034] Further, the fixed groove 41 is provided with a slot on one side, and the T-shaped rod two 43 penetrates through the slot and moves, so that the T-shaped rod two 43 can move through the slot.

[0035] Further, the protruding block 42 is fixedly connected to one side of the supporting seat 31, and the inner wall of the torsion sleeve A 44 and the outer wall of the T-shaped rod two 43 are respectively provided with matching thread shapes. The torsion sleeve A 44 is threadedly connected to the outer wall of the T-shaped rod two 43, so that the torsion sleeve A 44 can be pressed on one side of the fixed groove 41, thereby achieving the purpose of reinforcement.

[0036] In actual operation, when the device is used, the rotating sleeve A44 is rotated to stop pressing the fixed groove 41, the support base 31 is lifted upwards, the support base 31 drives the protrusion 42 to slide and limit on the inner wall of the fixed groove 41, the positioning plate 34 can be moved upwards, and then the square sealing ring A38 can be inserted into the outside of the first smoke exhaust pipe 1, the rotating sleeve A44 is rotated again to press the fixed groove 41, the support base 31 is kept at a certain height, and then the installation work is facilitated, and the positioning plate 34 can also be lowered in height, and the flexibility of the device is enhanced.

[0037] Firstly, when the first smoke exhaust pipe 1 and the second smoke exhaust pipe 2 need to be connected, the square sealing ring B39 can be inserted into the sealing groove on the right side of the first smoke exhaust pipe 1 through the second smoke exhaust pipe 2, the square sealing ring A38 can be inserted into the outside of the first smoke exhaust pipe 1, and the square sealing ring C301 can be inserted into the inside of the first smoke exhaust pipe 1, so that the preliminary sealing purpose is achieved, then the rotating sleeve B35 is rotated to drive the threaded cylinder 32 to rotate, because the threaded cylinder 32 and the threaded rod 33 are screwed, and the positioning plate 34 drives the T-shaped rod one 37 to slide and limit in the support plate 36, so that the threaded rod 33 drives the positioning plate 34 to move, the positioning plate 34 can push the square sealing ring A38 to be stably inserted into the outside of the first smoke exhaust pipe 1, so that the first smoke exhaust pipe 1 and the second smoke exhaust pipe 2 can be stably connected, and the assembly and installation can be achieved without the aid of external tools during assembly, good installation efficiency can be achieved, and the practicability of the device is enhanced.

[0038] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or other elements inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or device including the element.

Claims

1. A prefabricated fire smoke exhaust duct, comprising a first smoke exhaust duct (1), characterized in that: The first smoke exhaust pipe (1) is provided with a second smoke exhaust pipe (2) on the right side, and the top and bottom of the first smoke exhaust pipe (1) are provided with connecting mechanisms (3), one side of the connecting mechanism (3) is provided with a lifting mechanism (4); The connecting mechanism (3) comprises a supporting seat (31), the supporting seat (31) is arranged on one side of the lifting mechanism (4), the supporting seat (31) is rotatably connected with a threaded cylinder (32) in the inside, the threaded cylinder (32) is threadedly connected with a threaded rod (33) on the inner wall, the threaded cylinder (32) is fixedly connected with a torsion sleeve B (35) on the outer wall, one end of the threaded rod (33) away from the threaded cylinder (32) is fixedly connected with a positioning plate (34), one side of the positioning plate (34) is fixedly connected with a T-shaped rod one (37), the supporting seat (31) is fixedly connected with a supporting plate (36) on the outside, the second smoke exhaust pipe (2) is fixedly connected with a square sealing ring A (38) on the outside, the second smoke exhaust pipe (2) is fixedly connected with a square sealing ring C (301) on the inner wall, and the second smoke exhaust pipe (2) is fixedly connected with a square sealing ring B (39) on the left side.

2. The prefabricated fire smoke exhaust duct according to claim 1, characterized in that: The square sealing ring A (38) is inserted into the outside of the first smoke exhaust pipe (1), and the square sealing ring C (301) is inserted into the inner wall of the first smoke exhaust pipe (1).

3. The prefabricated fire smoke exhaust duct according to claim 1, characterized in that: The first smoke exhaust pipe (1) is provided with a sealing groove on the right side, the square sealing ring B (39) is movably connected to the inner wall of the sealing groove, and one side of the positioning plate (34) is in contact with one side of the square sealing ring A (38).

4. The prefabricated fire smoke exhaust duct according to claim 1, characterized in that: The supporting plate (36) is provided with a through hole in the inside, and the T-shaped rod one (37) penetrates through the through hole and slides.

5. The prefabricated fire smoke exhaust duct according to claim 1, characterized in that: The lifting mechanism (4) comprises a fixed groove (41), the fixed groove (41) is slidably connected with a protrusion (42) on the inner wall, one side of the protrusion (42) is fixedly connected with a T-shaped rod two (43), and the T-shaped rod two (43) is provided with a torsion sleeve A (44) on the outer wall.

6. The prefabricated fire smoke exhaust duct according to claim 5, characterized in that: The fixed groove (41) is provided with a slot on one side, and the T-shaped rod two (43) penetrates through the slot and moves.

7. The prefabricated fire smoke exhaust duct according to claim 5, characterized in that: The protrusion (42) is fixedly connected to one side of the supporting seat (31), the torsion sleeve A (44) and the T-shaped rod two (43) are respectively provided with matching thread shapes on the inner wall and the outer wall, and the torsion sleeve A (44) is threadedly connected to the outer wall of the T-shaped rod two (43).

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