CN212973930U - Multi-blade air supply outlet - Google Patents

Abstract

The utility model discloses a multi-blade air supply outlet aims at solving the unable problem that realizes self-closing according to the change of intensity of a fire of the blade of traditional multi-blade air supply outlet. The key points of the technical scheme are as follows: including the casing, control chamber and the chamber of ventilating have been seted up to casing inside, the outside fixedly connected with panel in chamber of ventilating, seted up the ventilation groove on the panel, one side fixedly connected with connecting block one and connecting block two in the chamber of ventilating is faced to the panel, rotates between connecting block one and the connecting block two to be connected with a plurality of first blades, has seted up in the connecting block one and has placed chamber one, places intracavity and is equipped with the regulation structure that is used for promoting first blade rotation, is equipped with the limit structure that is used for the restriction to adjust the structure in the chamber of ventilating, the utility model discloses make the blade of supply-air outlet can realize closing according to the change of intensity of a fire, strengthen the.

Description

Multi-blade air supply outlet

Technical Field

The utility model relates to an air supply equipment technical field, more specifically say, it relates to a multi-leaf supply-air outlet.

Background

The positive pressure air supply outlet is usually installed on the wall of the stair front chamber and the smoke exhaust shaft, and also can be installed on the side surface of the smoke exhaust system pipeline or the tail end of the air duct. When a fire disaster occurs, the air port can be opened by the electric actuator inside the tower, the temperature-sensitive smoke-sensitive or manual fire alarm can be started, the positive pressure fan at the top of the tower is automatically opened to pressurize and supply air to the air supply vertical shaft, and the front chamber of the stair can continuously supply air to the front chamber through the positive pressure air supply port, so that the front chamber maintains positive pressure, smoke is prevented from spreading in the area, and a space for people to escape is provided. When the temperature is higher than 280 ℃, people have no escape possibility, the internal fuse can be fused, and the air port is automatically closed, so that the fire spread is prevented.

The essential element of supply-air outlet includes the casing among the prior art, a plurality of blades, a linkage structure for controlling the blade pivoted simultaneously, be used for driving blade pivoted actuating mechanism, the grid panel, ventilation slot has been seted up to current grid panel, the blade that a plurality of slopes of ventilation slot department fixedly connected with set up is used for realizing ventilating, when the air supply duct is closed in the executive structure effect, driving vane rotates, the effect that the blade passes through linkage structure is realized closing the supply-air outlet, nevertheless ventilation slot still is in the state of opening between the blade, if the blade can realize realizing closing the ventilation slot simultaneously in the valve body effect, then can strengthen the isolated degree in wind gap and then strengthen the separation ability to the intensity of a fire spreading.

The utility model provides a technical scheme solves the unable problem that realizes self-closing according to the change of intensity of a fire of the blade of traditional multi-blade supply-air outlet.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a multi-blade air supply outlet realizes the purpose of separation to the intensity of a fire through setting up the blade to the structure that can realize self-closing according to the change of the intensity of a fire.

The above technical purpose of the present invention can be achieved by the following technical solutions: the multi-blade air supply outlet comprises a shell, wherein an operation chamber and a ventilation cavity are formed in the shell, a panel is fixedly connected to the outside of the ventilation cavity, a ventilation groove is formed in the panel, the panel faces to one side of the ventilation cavity and is fixedly connected with a first connecting block and a second connecting block, a plurality of first blades are rotatably connected between the first connecting block and the second connecting block, a first placing cavity is formed in the first connecting block, an adjusting structure used for pushing the first blades to rotate is arranged in the first placing cavity, and a limiting structure used for limiting the adjusting structure is arranged in the ventilation cavity.

Through adopting above-mentioned technical scheme, gaseous shell department of transporting through the blast pipe lets in the casing through the ventilation chamber, and then flow into indoor through the gap between the first blade, realize the process of air supply, constantly spread when the intensity of a fire, when indoor environment becomes very abominable, the structural action in the control chamber makes the intercommunication relation between ventilation chamber and blast pipe cut off, limit structure loses the restriction to adjustment structure regulatory action this moment, adjustment structure action promotes first blade and takes place rotatoryly, first blade cuts off the gap between adjacent first blade through the rotation, and then further increase the isolated degree of vent department, realize the separation that spreads the intensity of a fire.

The utility model discloses further set up to: the utility model discloses a fan blade, including first blade, connecting rod, regulation structure, slot, rack, gear, elastic component, first blade, connecting rod one and connecting rod two that the both sides integrated into one piece of first blade has the symmetry to set up, fixedly connected with alternates the gear of placing intracavity one on the connecting rod, it includes rack and elastic component one to adjust the structure, the slot that is used for the rack to penetrate the control chamber is offered at the top in ventilation chamber, the rack slides and meshes with the gear placing intracavity one, elastic component one is used for pushing the rack into the control chamber, the one end of elastic component one and the interior bottom fixed connection in ventilation chamber, the other end of elastic component one and the bottom fixed connection of rack.

Through adopting above-mentioned technical scheme, first blade is realized being connected with the rotation of connecting block one and connecting block two through the connecting rod one and the connecting rod two that set up, the regulation structure realizes the regulation to first blade inclination through the meshing of the gear that sets up on rack and the connecting rod two, utilize the first elasticity that produces of the elastic component of compressed to promote the rack and move towards the control chamber direction, the rack drives the gear through the meshing with the gear and rotates, and then realize the regulation to clearance between the first blade, make clearance between the first blade reduce gradually until closed, the setting up of slot makes the rack can penetrate the control chamber, on the one hand make the slip for the rack provide the space, on the other hand can realize the debugging to the regulation structure at the control chamber, make overall structure's use more convenient.

The utility model discloses further set up to: the bottom fixedly connected with registration arm of the said rack, the one set of elastic component is established in the outside of the registration arm, the inner bottom surface fixedly connected with of the said ventilation cavity alternates the locating lever in the registration arm.

Through adopting above-mentioned technical scheme, the locating tube realizes the further restriction to rack sliding track through alternate locating lever for the slip of rack is more stable, can prolong overall structure's life, and then can save more preparation materials, more energy-concerving and environment-protective.

The utility model discloses further set up to: and a plurality of second blades are rotatably connected in the ventilation cavity.

Through adopting above-mentioned technical scheme, the rotatory closure through the second blade realizes the sealed to the ventilation chamber, and then realizes the separation to the fire spread.

The utility model discloses further set up to: the ventilation cavity is close to and offers the chamber two of placing that is used for placing limit structure on the chamber wall of rack one side, limit structure includes the restriction pole and is used for pushing the restriction pole to the elastic component two of rack, the one end and the restriction pole fixed connection of elastic component two, the other end of elastic component two and the chamber wall fixed connection who places chamber two, the restriction pole includes pole one and pole two, the rack is kept away from one side of gear and is offered and be used for pole one male restriction groove, can drive pole two when the second blade is closed and remove.

Through adopting above-mentioned technical scheme, can produce the elasticity that a promotion restriction lever removed when elastic component two is compressed, the elastic force effect that elastic component two produced is sliding placing chamber two on the catch bar two, pole two remove drive rod one and remove, make pole one penetrate the restriction inslot and realize the restriction to the rack removal, the second blade can drive pole two and remove when the closure, pole two remove drive rod one and remove, make pole one follow the restriction inslot roll-off, adjust the automatic closure that the structure effect realized first blade this moment, and then realize the separation that spreads the intensity of a fire.

The utility model discloses further set up to: the first blade comprises a first blade and a second blade, and a socket for inserting the first blade is formed in the second blade.

Through adopting above-mentioned technical scheme, the length of extension piece one and two seams of piece is strengthened first blade to the separation in wind gap to the setting of this structure, and then strengthens the separation ability of first blade to the fire spread.

The utility model discloses further set up to: the top of the rack is integrally formed with a pressing block.

Through adopting above-mentioned technical scheme, the rack reduces the stimulation of rack to operator's both hands through the area of contact of the setting increase rack of briquetting and operator's both hands for the promotion of rack is convenient and fast more, and then makes the debugging of limit structure and regulation structure become simple swift, and then can save more time and human cost, more energy-concerving and environment-protective.

The utility model discloses further set up to: and a sealing flame-retardant rubber layer is arranged on the joint surface of the first sheet and the second sheet.

Through adopting above-mentioned technical scheme, piece one and piece two are through setting up sealed fire-retardant rubber layer and strengthening the leakproofness of piece one and the laminating of piece two on the face of laminating, realize stretching the reinforcing of separation ability to the intensity of a fire through the reinforcing to the separation in wind gap, utilize the fire behavior of sealed fire-retardant rubber self to strengthen the fire behavior of piece one and piece two, can prolong overall structure's life, and then save more preparation materials, more energy-concerving and environment-protective.

To sum up, the utility model discloses following beneficial effect has:

gas passes through the blast pipe and transports casing department and lets in the casing through the ventilation chamber, and then flow in indoor through the gap between the first blade, realize the process of air supply, constantly stretch when the intensity of a fire, when indoor environment becomes very abominable, the structural action in the control chamber makes the intercommunication relation between ventilation chamber and blast pipe cut off, restriction structure loses the restriction to adjustment structure regulatory action this moment, adjustment structure action promotes first blade and takes place rotatoryly, first blade cuts off the gap between adjacent first blade through the rotation, and then further increase the isolated degree of vent department, realize the separation that stretches the intensity of a fire.

Drawings

Fig. 1 is a schematic overall structural diagram of the present invention, which is mainly used for showing the state of opening the first blade;

fig. 2 is a schematic view of the overall structure of the present invention, which is mainly used for showing the closed state of the first blade;

FIG. 3 is a schematic view of the overall structure of the present invention, which is mainly used to show the state of the second blade being opened

Fig. 4 is a schematic view of the overall structure of the present invention, which is mainly used to show the closed state of the second blade;

fig. 5 is a first cross-sectional view of the present invention;

fig. 6 is a second cross-sectional view of the present invention;

FIG. 7 is an enlarged view taken at A in FIG. 6;

FIG. 8 is an enlarged view at B in FIG. 6;

FIG. 9 is an enlarged view at C of FIG. 6;

FIG. 10 is a schematic view of a first blade configuration;

FIG. 11 is a schematic structural view of a panel;

fig. 12 is an enlarged view at D in fig. 11.

In the figure: 1. a housing; 2. an operation chamber; 3. a ventilation cavity; 4. a panel; 5. a ventilation slot; 6. a first connecting block; 7. a second connecting block; 8. a first blade; 9. placing the first cavity; 10. a first connecting rod; 11. a second connecting rod; 12. a gear; 13. a rack; 14. a first elastic part; 15. a slot; 16. a positioning tube; 17. positioning a rod; 18. a second blade; 19. a second placing cavity; 20. a second elastic piece; 21. a first rod; 22. a second rod; 23. a limiting groove; 24. a first sheet; 25. a second sheet; 26. a socket; 27. and (7) briquetting.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A multi-blade air supply outlet is disclosed, as shown in figures 1-4, comprising a shell 1, an operating chamber 2 positioned above and a ventilation cavity 3 positioned below are arranged in the shell 1, an opening of the operating chamber 2 is hinged with a cavity door, an electric actuator is arranged in the operating chamber 2, two second blades 18 are rotatably connected in the ventilation cavity 3, the two second blades 18 can realize the sealing of the ventilation cavity 3 through rotation under the action of a linkage structure, the outside of the ventilation cavity 3 is fixedly connected with a panel 4 through a bolt connection mode, a ventilation groove 5 is arranged on the panel 4, as shown in figure 11, a connecting block I6 and a connecting block II 7 are integrally formed on one side of the panel 4 facing the ventilation cavity 3, a plurality of first blades 8 are rotatably connected between the connecting block I6 and the connecting block II 7 through a shaft hole matching mode, as shown in figure 10, a connecting rod I10 and a connecting rod II 11 are respectively integrally formed on two sides of the first blades 8, a gear 12 is fixedly connected on the first connecting rod 10, the first blades 8 can block gaps between the adjacent first blades 8 after rotating, as shown in fig. 11 and 12, a placing cavity one 9 is formed in the connecting block one 6, an adjusting structure for adjusting the rotation angle of the first blade 8 is formed in the placing cavity one 9, as shown in fig. 8-10, the adjusting structure includes a rack 13 and a first elastic member 14 slidably connected to the first placing cavity 9, the gear 12 is engaged with the rack 13, the rack 13 drives the gear 12 to rotate through engagement with the gear 12, the bottom of the rack 13 is fixedly connected with a positioning pipe 16 through welding, the inner bottom surface of the ventilation cavity 3 is fixedly connected with a positioning rod 17 inserted into the positioning pipe 16 through welding, the first elastic member 14 is sleeved on the outer sides of the positioning pipe 16 and the positioning rod 17, and the rack 13 is pushed to move upwards by elastic force generated by the compressed first elastic member 14.

As shown in fig. 6 and 7, a slot 15 for the rack 13 to penetrate out is formed between the operating chamber 2 and the ventilation cavity 3, a pressing block 27 is fixedly connected to a portion of the rack 13 located in the operating chamber 2 in a welding manner, a limiting groove 23 is formed in a side of the rack 13 away from the gear 12, as shown in fig. 5 and 8, a placing cavity two 19 is formed on a cavity wall of the ventilation cavity 3 close to the side of the rack 13, a limiting structure for limiting an adjusting structure is arranged in the placing cavity two 19, the limiting structure comprises a limiting rod and an elastic member two 20, one end of the elastic member two 20 is fixedly connected with the limiting rod, the other end of the elastic member two 20 is fixedly connected with the cavity wall of the placing cavity two 19, the limiting rod is pushed to the rack 13 by using elastic force generated by the compressed elastic member two 20, and is further inserted into the limiting groove 23 to limit sliding of the rack 13, the limiting rod comprises a rod one 21, the first rod 21 is inserted into the limiting groove 23 to limit sliding of the rack 13, and the second rod 22 is arranged to enable the second blade 18 to drive the limiting rod to move through the second poke rod 22 when rotating, so that the limiting rod loses limitation on sliding of the rack 13.

As shown in fig. 10, the first blade 8 is provided with a first blade 24 and a second blade 25, the second blade 25 is provided with a socket 26 for inserting the first blade 24, and a sealing flame-retardant rubber layer is arranged on the surface of the first blade 24 attached to the second blade 25.

The working principle is as follows: the assembled air supply outlet is fixed at the air supply channel, so that the air supply channel is communicated with the ventilation cavity 3, the second blade 18 is in an open state at the moment, the panel 4 is fixedly connected with the shell 1 through a bolt, the press block 27 is pressed to enable the rack 13 to move downwards, the rack 13 drives the gear 12 to rotate through meshing with the gear 12 at the moment, the gear 12 rotates to drive the first connecting rod 10 to rotate, the first connecting rod 10 rotates to drive the first blade 8 to open, the rack 13 drives the limiting groove 23 to slide downwards when moving, the limiting rod is attached to the rack 13 under the action of elastic force generated by the compressed second elastic element 20 at the moment, when the limiting rod corresponds to the limiting groove 23 in position, the limiting rod penetrates into the limiting groove 23 to limit sliding of the rack 13, when the electric actuator acts, the second blade 18 is controlled to rotate, the second blade 18 rotates to drive other second blades 18 to rotate and close through the linkage structure, second blade 18 when rotatory with two 22 contact catch bars 22 removals of pole of restriction pole, two 22 slides and can drive one 21 of pole and slide, this moment one 21 of pole follows the restriction groove 23 roll-off, restriction structure loses the restriction to rack 13 slip degree of freedom, rack 13 upwards moves under the effect of the elastic force that a 14 of compressed elastic component produced, rack 13 drives gear 12 through the meshing with gear 12 and upwards rotates, gear 12 rotates and drives a 10 rotations of connecting rod, a 10 rotations of connecting rod drive the rotatory laminating of first blade 8, a 24 and the laminating of socket 26 this moment, the gap between the adjacent first blade 8 is closed, the aforesaid is just so the utility model discloses a theory of operation.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a multi-blade air supply outlet, includes casing (1), operating room (2) and ventilation chamber (3) have been seted up to casing (1) inside, the outside fixedly connected with panel (4) in ventilation chamber (3), ventilation groove (5) have been seted up on panel (4), one side fixedly connected with connecting block one (6) and connecting block two (7) towards ventilation chamber (3) of panel (4), its characterized in that: rotate between connecting block (6) and connecting block two (7) and be connected with a plurality of first blade (8), it places chamber (9) to have seted up in connecting block (6), it is used for promoting the rotatory regulation structure of first blade (8) to be equipped with in chamber (9) to place, be equipped with the restriction structure that is used for restricting the regulation structure in ventilation chamber (3).

2. A multi-bladed blower according to claim 1 characterised in that: the utility model discloses a fan blade, including first blade (8), connecting rod (10), connecting rod two (11), fixed connection has alternate gear (12) of placing chamber one (9) on connecting rod one (10), adjust the structure and include rack (13) and elastic component one (14), slot (15) that are used for rack (13) to penetrate control chamber (2) are offered to the top in ventilation chamber (3), rack (13) slide and mesh with gear (12) placing chamber one (9), elastic component one (14) are used for pushing rack (13) into control chamber (2), the one end of elastic component one (14) and the interior bottom fixed connection in ventilation chamber (3), the other end of elastic component one (14) and the bottom fixed connection of rack (13).

3. A multi-bladed blower according to claim 2 characterised in that: the bottom of the rack (13) is fixedly connected with a positioning pipe (16), the first elastic piece (14) is sleeved on the outer side of the positioning pipe (16), and the inner bottom surface of the ventilation cavity (3) is fixedly connected with a positioning rod (17) inserted into the positioning pipe (16).

4. A multi-bladed blower according to claim 2 characterised in that: a plurality of second blades (18) are also rotatably connected in the ventilation cavity (3).

5. A multi-bladed blower according to claim 4 characterised in that: the ventilation cavity (3) is close to and offers on the chamber wall of rack (13) one side and is used for placing restriction structure place chamber two (19), restriction structure includes the restriction lever and is used for pushing the restriction lever to elastic component two (20) of rack (13), the one end and the restriction lever fixed connection of elastic component two (20), the other end and the chamber wall fixed connection who places chamber two (19) of elastic component two (20), the restriction lever includes pole one (21) and pole two (22), gear (12) was kept away from in rack (13) one side is offered and is used for pole one (21) male restriction groove (23), can drive pole two (22) to remove when second blade (18) are closed.

6. A multi-bladed blower according to claim 1 characterised in that: the first blade (8) comprises a first blade (24) and a second blade (25), and a socket (26) for inserting the first blade (24) is arranged on the second blade (25).

7. A multi-bladed blower according to claim 2 characterised in that: a pressing block (27) is integrally formed at the top of the rack (13).

8. A multi-bladed blower according to claim 6 characterised in that: and a sealing flame-retardant rubber layer is arranged on the joint surface of the first sheet (24) and the second sheet (25).

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