CN210563204U - Prevent quick leaking stoppage structure of tuber pipe of discharging fume - Google Patents

Abstract

The utility model discloses a prevent quick leaking stoppage structure of tuber pipe of discharging fume, including last casing and the lower casing in the tuber pipe outside of discharging fume, it is located the top of casing down to go up the casing, the equal fixed mounting in bottom both sides and the first fixed plate of going up the casing, the equal fixed mounting in top both sides of casing has the second fixed plate down, and just first fixed plate is located the second fixed plate directly over, a plurality of first grooves have been seted up at the top of second fixed plate, the top fixed mounting of first fixed plate has a plurality of first poles, and first pole and the first groove looks adaptation that corresponds, the spread groove has been seted up to one side of first pole, the second groove has been seted up on one side inner wall in first groove, slidable mounting has the trapezoidal piece in the second groove, and the connecting groove looks adaptation that trapezoidal piece and correspond, the sliding tray has been seted up to the bottom inside in second groove. The utility model relates to a rationally, simple structure, convenient operation is convenient for carry out the high-speed joint to last casing and casing down, and the leakproofness is good.

Description

Prevent quick leaking stoppage structure of tuber pipe of discharging fume

Technical Field

The utility model relates to a leaking stoppage technical field especially relates to a prevent quick leaking stoppage structure of tuber pipe of discharging fume.

Background

The smoke prevention and exhaust system is composed of air supply and exhaust pipelines, a pipe well, a fire prevention valve, door switching equipment, an air supply and exhaust fan and the like, and is arranged in a positive pressure manner in a staircase. The quick leaking stoppage structure of the air pipe of preventing discharging fume at present needs to use professional tools during installation, is complex to operate, and has the problem of inconvenient use, so we provide the quick leaking stoppage structure of the air pipe of preventing discharging fume to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a smoke-proof air pipe quick leaking stoppage structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rapid leaking stoppage structure of a smoke-exhaust preventing air pipe comprises the smoke-exhaust air pipe, an upper shell and a lower shell which are arranged on the outer side of the smoke-exhaust air pipe, wherein the upper shell is positioned above the lower shell, two sides of the bottom of the upper shell are fixedly installed with a first fixing plate, two sides of the top of the lower shell are fixedly installed with a second fixing plate, the first fixing plate is positioned right above the second fixing plate, the top of the second fixing plate is provided with a plurality of first grooves, the top of the first fixing plate is fixedly installed with a plurality of first rods, the first rods are matched with the corresponding first grooves, one side of each first rod is provided with a connecting groove, the inner wall of one side of each first groove is provided with a second groove, a trapezoidal block is slidably installed in the second groove and is matched with the corresponding connecting groove, a sliding groove is arranged in the bottom of the second groove, one end of a threaded rod is rotatably installed on the inner wall of one side of the sliding groove, the other end of, a screw rod sleeve is arranged in the sliding groove in a sliding mode and is in threaded connection with the corresponding threaded rod.

Preferably, the bottom of the first fixing plate is fixedly provided with a sealing strip, and the sealing strip is in contact with the second fixing plate.

Preferably, the outside cover of tuber pipe of discharging fume is equipped with the sealing washer, and the sealing washer all with last casing and lower casing sealing connection.

Preferably, the screw rod sleeve is provided with a threaded hole, the inner wall of the threaded hole is provided with an internal thread, the outer side of the threaded rod is provided with an external thread, and the internal thread is in threaded connection with the external thread.

Preferably, the top of the second groove is provided with a sliding groove, the top of the trapezoidal block is fixedly provided with a sliding block, and the sliding block is slidably arranged in the sliding groove.

Compared with the prior art, the beneficial effects of the utility model are that:

through the matching of the smoke exhaust air pipe, the upper shell, the lower shell, the first fixing plate, the second fixing plate, the sealing strip, the first groove, the first rod, the connecting groove, the second groove, the trapezoidal block, the sliding groove, the threaded rod, the rotary button, the screw rod sleeve and the threaded hole, when the smoke exhaust air pipe leaks, the two sealing rings are sleeved on the smoke exhaust air pipe, the leakage position is positioned between the two sealing rings, then the upper shell and the lower shell are sleeved on the smoke exhaust air pipe, so that the first rod is clamped into the corresponding first groove, the sealing strip is contacted with the corresponding lower shell at the moment, then the rotary button is rotated, the rotary button drives the threaded rod to rotate, because the threaded rod is in threaded connection with the screw rod sleeve, the rotation of the threaded rod drives the screw rod sleeve to move through the threaded hole, the movement of the screw rod sleeve enables the trapezoidal block to be clamped into the connecting groove, the, thereby make first pole lapse, first pole lapse extrudees sealing washer and sealing strip, is convenient for make up last casing and casing down to the leakproofness between tuber pipe and the last casing and the casing of discharging fume has been increased.

The utility model relates to a rationally, simple structure, convenient operation is convenient for carry out the high-speed joint to last casing and casing down, and the leakproofness is good.

Drawings

Fig. 1 is a schematic structural view of a rapid plugging structure of a smoke-discharging prevention air duct provided by the present invention;

fig. 2 is a schematic structural view of a portion a of a rapid plugging structure of a smoke-discharging prevention air duct provided by the present invention;

fig. 3 is the schematic structural diagram of the part B of the rapid leak stopping structure of the smoke-discharging prevention air pipe.

In the figure: 1 smoke exhaust air pipe, 2 upper shells, 3 lower shells, 4 first fixing plates, 5 second fixing plates, 6 sealing strips, 7 first grooves, 8 first rods, 9 connecting grooves, 10 second grooves, 11 trapezoidal blocks, 12 sliding grooves, 13 threaded rods, 14 rotating buttons, 15 screw sleeves and 16 threaded holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a rapid leak stopping structure for a smoke-discharging prevention air duct comprises a smoke-discharging air duct 1 and an upper casing 2 and a lower casing 3 outside the smoke-discharging air duct 1, wherein the upper casing 2 is positioned above the lower casing 3, the leak stopping is performed on the leakage part of the smoke-discharging air duct 1 through the combination of the upper casing 2 and the lower casing 3, both sides of the bottom of the upper casing 2 are fixedly installed with a first fixing plate 4, both sides of the top of the lower casing 3 are fixedly installed with a second fixing plate 5, the first fixing plate 4 is positioned right above the second fixing plate 5 and is combined through the first fixing plate 4 and the second fixing plate 5, the top of the second fixing plate 5 is provided with a plurality of first grooves 7, the top of the first fixing plate 4 is fixedly installed with a plurality of first rods 8, the first rods 8 are matched with the corresponding first grooves 7, one side of each first rod 8 is provided with a connecting groove 9, the inner wall of one side of each first groove 7, sliding mounting has trapezoidal piece 11 in second groove 10, and trapezoidal piece 11 and the spread groove 9 looks adaptation that corresponds, trapezoidal piece 11 card goes into spread groove 9, fix first pole 8, thereby it is together fixed to make go up casing 2 and lower casing 3, sliding tray 12 has been seted up to second groove 10's bottom inside, the one end of threaded rod 13 is installed in rotating on one side inner wall of sliding tray 12, the other end of threaded rod 13 extends to the second fixed plate 5 outside and fixed mounting has knob 14, sliding tray 12 sliding mounting has screw rod cover 15, and screw rod cover 15 and the threaded rod 13 threaded connection that corresponds, the rotation of threaded rod 13 drives screw rod cover 15 and removes, through exhaust fume tuber pipe 1, go up casing 2, lower casing 3, first fixed plate 4, second fixed plate 5, sealing strip 6, first groove 7, first pole 8, spread groove 9, second groove 10, trapezoidal piece 11, sliding tray 12, The threaded rod 13, the rotary button 14, the screw sleeve 15 and the threaded hole 16 are matched, when the smoke exhaust air pipe 1 leaks, the smoke exhaust air pipe 1 is sleeved with two sealing rings, the leakage position is located between the two sealing rings, then the upper shell 2 and the lower shell 3 are sleeved on the smoke exhaust air pipe 1, the first rod 8 is clamped into the corresponding first groove 7, the sealing strip 6 is contacted with the corresponding lower shell 3 at the moment, then the rotary button 14 is rotated, the rotary button 14 drives the threaded rod 13 to rotate, because the threaded rod 13 is in threaded connection with the screw sleeve 15, the rotation of the threaded rod 13 drives the screw sleeve 15 to move through the threaded hole 16, the movement of the screw sleeve 15 enables the trapezoidal block 11 to be clamped into the connecting groove 9, the rotary button 14 is continuously rotated, the bevel edge of the trapezoidal block 11 downwards extrudes the connecting groove 9, the first rod 8 downwards moves, the first rod 8 downwards extrudes the sealing rings and the sealing strip 6, be convenient for make up last casing 2 and casing 3 down to increased the leakproofness of discharging fume between tuber pipe 1 and last casing 2 and the casing 3 down, the utility model relates to a rationally, simple structure, convenient operation is convenient for make up fast last casing 2 and casing 3 down, and the leakproofness is good.

The utility model discloses in, the bottom fixed mounting of first fixed plate 4 has sealing strip 6, and sealing strip 6 contacts with second fixed plate 5, carry out sealing connection to first fixed plate 4 and second fixed plate 5 through sealing strip 6, the outside cover of tuber pipe 1 of discharging fume is equipped with the sealing washer, and the sealing washer all with last casing 2 and casing 3 sealing connection down, screw hole 16 has been seted up on screw sleeve 15, the internal thread has been seted up on the inner wall of screw hole 16, the external screw thread has been seted up in the outside of threaded rod 13, and internal thread and external screw thread threaded connection, the spout has been seted up at the top of second groove 10, the top fixed mounting of trapezoidal piece 11 has the slider, and slider slidable mounting is in the spout, through tuber pipe 1 of discharging fume, go up casing 2, casing 3 down, first fixed plate 4, second fixed plate 5, sealing strip 6, first groove 7, first pole 8, spread groove 9, the trapezoidal block 11, the sliding groove 12, the threaded rod 13, the rotary button 14, the screw sleeve 15 and the threaded hole 16 are matched, when the smoke exhaust air pipe 1 leaks, two sealing rings are sleeved on the smoke exhaust air pipe 1, the leakage position is located between the two sealing rings, then the upper shell 2 and the lower shell 3 are sleeved on the smoke exhaust air pipe 1, the first rod 8 is clamped into the corresponding first groove 7, the sealing strip 6 is contacted with the corresponding lower shell 3 at the moment, the rotary button 14 is rotated, the rotary button 14 drives the threaded rod 13 to rotate, because the threaded rod 13 is in threaded connection with the screw sleeve 15, the rotation of the threaded rod 13 drives the screw sleeve 15 to move through the threaded hole 16, the trapezoidal block 11 is clamped into the connecting groove 9 due to the movement of the screw sleeve 15, the rotary button 14 is continuously rotated, the inclined edge of the trapezoidal block 11 downwards extrudes the connecting groove 9, and the first rod 8 downwards, first pole 8 moves down and extrudees sealing washer and sealing strip 6, is convenient for make up last casing 2 and casing 3 down to increased the leakproofness of discharging fume between tuber pipe 1 and last casing 2 and the casing 3 down, the utility model relates to a rationally, simple structure, convenient operation is convenient for carry out the high-speed joint to last casing 2 and casing 3 down, and the leakproofness is good.

The working principle is as follows: when the smoke exhaust air pipe 1 leaks, the smoke exhaust air pipe 1 is sleeved with two sealing rings, the leakage position is located between the two sealing rings, then the upper shell 2 and the lower shell 3 are sleeved on the smoke exhaust air pipe 1, the first rod 8 is clamped into the corresponding first groove 7, at the moment, the sealing strip 6 is contacted with the corresponding lower shell 3, the upper shell 2 and the lower shell 3 are both contacted with the two sealing rings, then the rotary button 14 is rotated, the rotary button 14 drives the threaded rod 13 to rotate, because the threaded rod 13 is in threaded connection with the screw sleeve 15, the rotation of the threaded rod 13 drives the screw sleeve 15 to move through the threaded hole 16, the screw sleeve 15 moves, the trapezoidal block 11 is clamped into the connecting groove 9, the rotary button 14 is continuously rotated, the bevel edge of the trapezoidal block 11 downwards extrudes the connecting groove 9, so that the first rod 8 downwards moves, the first rod 8 downwards moves to extrude the sealing rings and the sealing strip 6, the upper shell 2 and the lower shell 3 are convenient to combine, so that the sealing performance between the smoke exhaust air pipe 1 and the upper shell 2 and the lower shell 3 is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. A smoke-exhaust preventing air duct quick leaking stoppage structure comprises a smoke-exhaust air duct (1), an upper shell (2) and a lower shell (3) which are arranged on the outer side of the smoke-exhaust air duct (1), wherein the upper shell (2) is positioned above the lower shell (3), the smoke-exhaust preventing air duct quick leaking stoppage structure is characterized in that two sides of the bottom of the upper shell (2) are fixedly installed with a first fixing plate (4), two sides of the top of the lower shell (3) are fixedly installed with a second fixing plate (5), the first fixing plate (4) is positioned right above the second fixing plate (5), a plurality of first grooves (7) are formed in the top of the second fixing plate (5), a plurality of first rods (8) are fixedly installed in the top of the first fixing plate (4), the first rods (8) are matched with the corresponding first grooves (7), a connecting groove (9) is formed in one side of each first rod (8), a second groove (10) is formed in the inner wall of one side of each first, sliding mounting has trapezoidal piece (11) in second groove (10), and trapezoidal piece (11) and spread groove (9) looks adaptation that corresponds, sliding tray (12) have been seted up to the bottom inside of second groove (10), rotate the one end of installing threaded rod (13) on the one side inner wall of sliding tray (12), the other end of threaded rod (13) extends to the second fixed plate (5) outside and fixed mounting has knob (14), sliding mounting has screw rod cover (15) in sliding tray (12), and screw rod cover (15) and the threaded rod (13) threaded connection who corresponds.

2. The rapid leakage stopping structure of the smoke exhaust preventing air pipe according to claim 1, wherein a sealing strip (6) is fixedly installed at the bottom of the first fixing plate (4), and the sealing strip (6) is in contact with the second fixing plate (5).

3. The rapid leak stopping structure of the smoke exhaust preventing air pipe according to claim 1, wherein the outer side of the smoke exhaust air pipe (1) is sleeved with a sealing ring, and the sealing ring is hermetically connected with the upper shell (2) and the lower shell (3).

4. The rapid leakage stopping structure of the smoke exhaust preventing air pipe according to claim 1, wherein the screw sleeve (15) is provided with a threaded hole (16), the inner wall of the threaded hole (16) is provided with an internal thread, the outer side of the threaded rod (13) is provided with an external thread, and the internal thread is in threaded connection with the external thread.

5. The rapid leakage stopping structure of the smoke exhaust preventing air pipe according to claim 1, wherein a sliding groove is formed in the top of the second groove (10), a sliding block is fixedly installed on the top of the trapezoidal block (11), and the sliding block is slidably installed in the sliding groove.

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