CN213024909U

CN213024909U - Building internal fire smoke flow simulation device

Info

Publication number: CN213024909U
Application number: CN202022494168.6U
Authority: CN
Inventors: 殷金英; 穆冬
Original assignee: Harbin University of Science and Technology
Current assignee: Harbin University of Science and Technology
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-04-20
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses an inside conflagration flue gas flow analogue means of building, including first pipeline, first pipeline right-hand member installation second pipeline, and the right side top of second pipeline installs the third pipeline, the first backup pad of right side below installation of third pipeline, and the inside of first backup pad is provided with first hole, the internally mounted of first hole has the rack, first spring is installed on the right side of first backup pad, the push pedal is installed to the right-hand member of rack, first gear is installed in the outside of rack. This inside conflagration flue gas flow analogue means of building, rack and first gear constitute slewing mechanism, promote the rack and rotate, drive first gear and rotate, and then drive the third transmission shaft and carry out the pivoted to make fixed pipe and first baffle rotate and open and close the third pipeline, thereby reach the control flue gas that can be accurate and flow to different high mesh.

Description

Building internal fire smoke flow simulation device

Technical Field

The utility model relates to a fire control correlation technique field specifically is an inside conflagration flue gas flow analogue means of building.

Background

The fire smoke flow simulation device is used for simulating the smoke flow condition in the case of fire, and the main purpose of the fire smoke flow simulation device is to enable teachers to explain the flow condition of smoke to students more vividly

When the existing fire smoke flow simulation device is used, when the flow condition of smoke with different heights needs to be accurately explained for students, the existing fire smoke flow simulation device cannot realize the flow condition.

Disclosure of Invention

An object of the utility model is to provide an inside conflagration flue gas flow analogue means of building to solve the current conflagration flue gas flow analogue means that provides in the above-mentioned background art when using, when the condition that needs explain the flow of the flue gas of co-altitude not to the student accuracy, the problem that current conflagration flue gas flow analogue means can't accomplish.

In order to achieve the above object, the utility model provides a following technical scheme: a fire smoke gas flow simulation device in a building comprises a first pipeline, wherein a second pipeline is installed at the right end of the first pipeline, a third pipeline is installed above the right side of the second pipeline, a first supporting plate is installed below the right side of the third pipeline, a first hole is formed in the first supporting plate, a rack is installed inside the first hole, a first spring is installed on the right side of the first supporting plate, a push plate is installed at the right end of the rack, a first gear is installed on the outer side of the rack, a first transmission shaft is installed inside the first gear, a first helical gear is installed on the right side of the first gear, a second helical gear is installed on the outer side of the first helical gear, a second transmission shaft is installed inside the second helical gear, a second gear is installed at the right end of the second transmission shaft, and a third gear is installed on the outer side of the second gear, the utility model discloses a smoke simulator, including third gear, fixed pipe, first baffle, third pipeline, second backup pad, third hole, second hole, third hole, the internally mounted of first pipeline has the third transmission shaft, and the fixed pipe is installed in the outside of third transmission shaft, the outside of fixed pipe is provided with first recess, first baffle is installed on the right side of fixed pipe, the second backup pad is installed to the right side below of third pipeline, and the left side of second backup pad installs the third backup pad, the inside of third backup pad is provided with the second recess, and the inside of third recess is provided with the second spring, the second baffle is installed in the outside of second spring, and the third hole is installed in the outside of second baffle, the second hole is installed on the right side of third hole, the internally mounted of first pipeline has smoke simulator.

Preferably, the width of the second duct is identical to the width of the third duct, and the width of the third duct is identical to the width of the first baffle.

Preferably, the width of the first hole is the same as the width of the rack, and the outer side surface of the rack is tightly engaged with the outer side surface of the first gear.

Preferably, the first gear is connected with the first transmission shaft in a key connection mode, and the first transmission shaft is connected with the first helical gear in a key connection mode.

Preferably, the outer side surface of the first helical gear is tightly meshed with the outer side surface of the second helical gear, and the inclination angles of the first helical gear and the second helical gear are both 45 degrees

Preferably, the second spring is connected with the second baffle in a welding manner, and the second baffle is triangular in appearance.

Compared with the prior art, the beneficial effects of the utility model are that: according to the fire smoke flow simulation device in the building, the rack and the first gear form a rotating mechanism, the rack is pushed to rotate, the first gear is driven to rotate, and the third transmission shaft is driven to rotate, so that the fixed pipe and the first baffle plate rotate to open and close the third pipeline, and smoke can be accurately controlled to flow to different heights;

second baffle and second spring constitute buckle mechanism, promote the rack and carry out the motion left for the second baffle contracts the inside of third recess, makes the second spring hold up power, and when the position that moves, the second spring promotes the inside that the second baffle moved first hole and fixes, thereby prevents that the rack from taking place the mesh of rocking.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic view of the left-side view of the appearance structure of the present invention;

FIG. 3 is a schematic view of the sectional structure of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 2B according to the present invention;

FIG. 5 is a schematic view of the structure at the position A in FIG. 2 according to the present invention

Fig. 6 is a schematic structural diagram of the point C in fig. 1 according to the present invention.

In the figure, 1, a first pipeline; 2. a second conduit; 3. a third pipeline; 4. a first support plate; 5. a first hole; 6. a rack; 7. a first spring; 8. pushing the plate; 9. a first gear; 10. a first drive shaft; 11. a first helical gear; 12. a second helical gear; 13. a second drive shaft; 14. a second gear; 15. a third gear; 17. a third drive shaft; 18. a fixed tube; 19. a first groove; 20. a first baffle plate; 21. a second support plate; 22. a third support plate; 23. a second groove; 24. a third groove; 25. a second spring; 26. a second baffle; 27. a third hole; 28. a second hole; 29. a smoke simulator.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a fire smoke flowing simulation device in a building comprises a first pipeline 1, a second pipeline 2 is installed at the right end of the first pipeline 1, a third pipeline 3 is installed above the right side of the second pipeline 2, a first supporting plate 4 is installed below the right side of the third pipeline 3, a first hole 5 is formed in the first supporting plate 4, a rack 6 is installed inside the first hole 5, a first spring 7 is installed on the right side of the first supporting plate 4, a push plate 8 is installed at the right end of the rack 6, a first gear 9 is installed on the outer side of the rack 6, a first transmission shaft 10 is installed inside the first gear 9, a first helical gear 11 is installed on the right side of the first gear 9, a second helical gear 12 is installed on the outer side of the first helical gear 11, a second transmission shaft 13 is installed inside the second helical gear 12, a second gear 14 is installed at the right end of the second transmission shaft 13, and the outside of second gear 14 installs third gear 15, the internally mounted of third gear 15 has third transmission shaft 17, and the outside of third transmission shaft 17 installs fixed pipe 18, the outside of fixed pipe 18 is provided with first recess 19, the right side of fixed pipe 18 installs first baffle 20, the right side below of third pipeline 3 installs second backup pad 21, and the left side of second backup pad 21 installs third backup pad 22, the inside of third backup pad 22 is provided with second recess 23, the inside of the left end of rack 6 is provided with third recess 24, and the inside of third recess 24 is provided with second spring 25, the outside of second spring 25 installs second baffle 26, and the outside of second baffle 26 installs third hole 27, the right side of third hole 27 installs second hole 28, the internally mounted of first pipeline 1 has smoke simulator 29.

The width of the second duct 2 corresponds to the width of the third duct 3, and the width of the third duct 3 corresponds to the width of the first baffle 20, so that the first baffle 20 can completely block the second duct 2 and the third duct 3.

The width of the first hole 5 is the same as the width of the rack 6, and the outer side surface of the rack 6 is tightly engaged with the outer side surface of the first gear 9, so that the rack 6 can drive the first gear 9 to rotate.

The first gear 9 is connected with the first transmission shaft 10 in a key manner, and the first transmission shaft 10 is connected with the first helical gear 11 in a key manner, so that the first gear 9 can drive the first transmission shaft 10 to rotate.

The outer side surface of the first helical gear 11 is tightly meshed with the outer side surface of the second helical gear 12, and the inclination angles of the first helical gear 11 and the second helical gear 12 are both 45 degrees, so that the first helical gear 11 can drive the second helical gear 12 to rotate.

The second spring 25 and the second baffle 26 are connected by welding, and the second baffle 26 is triangular in appearance, so that the second baffle 26 can be clamped inside the third hole 27 to fix the rack 6.

The working principle is as follows: when the fire smoke flow simulation device in the building is used, when smoke needs to flow to different heights, the rack 6 is pushed to move leftwards, the first gear 9 is driven to rotate, the first transmission shaft 10 is driven to rotate, the first helical gear 11 is driven to rotate, the second helical gear 12 is driven to rotate, the second transmission shaft 13 is driven to rotate, the second gear 14 and the third gear 15 are driven to rotate, the third transmission shaft 17 is driven to rotate, the fixed pipe 18 and the first baffle 20 are driven to rotate, the first baffle 20 blocks the third pipeline 3, the smoke cannot flow into the third pipeline 3, and therefore the purpose that the smoke can be accurately controlled to flow to different heights is achieved;

when rack 6 moves leftwards, it drives second baffle 26 to move leftwards, so that second baffle 26 moves to the inside of third groove 24, so that second spring 25 accumulates force, and when second spring 25 moves to the position of third hole 27, second spring 25 pushes second baffle 26 to move to the inside of third hole 27 to fix rack 6, thereby preventing rack 6 from shaking.

It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A building interior fire smoke flow simulation device comprises a first pipeline (1), and is characterized in that: the pipeline structure is characterized in that a second pipeline (2) is installed at the right end of the first pipeline (1), a third pipeline (3) is installed above the right side of the second pipeline (2), a first supporting plate (4) is installed below the right side of the third pipeline (3), a first hole (5) is formed in the first supporting plate (4), a rack (6) is installed inside the first hole (5), a first spring (7) is installed on the right side of the first supporting plate (4), a push plate (8) is installed at the right end of the rack (6), a first gear (9) is installed on the outer side of the rack (6), a first transmission shaft (10) is installed inside the first gear (9), a first helical gear (11) is installed on the right side of the first gear (9), a second helical gear (12) is installed on the outer side of the first helical gear (11), a second transmission shaft (13) is installed inside the second helical gear (12), a second gear (14) is installed at the right end of the second transmission shaft (13), a third gear (15) is installed on the outer side of the second gear (14), a third transmission shaft (17) is installed inside the third gear (15), a fixing pipe (18) is installed on the outer side of the third transmission shaft (17), a first groove (19) is formed in the outer side of the fixing pipe (18), a first baffle (20) is installed on the right side of the fixing pipe (18), a second support plate (21) is installed below the right side of the third pipeline (3), a third support plate (22) is installed on the left side of the second support plate (21), a second groove (23) is formed inside the third support plate (22), a third groove (24) is formed inside the left end of the rack (6), a second spring (25) is arranged inside the third groove (24), a second baffle (26) is installed outside the second spring (25), and third hole (27) are installed in the outside of second baffle (26), second hole (28) are installed on the right side of third hole (27), the internally mounted of first pipeline (1) has smoke simulator (29).

2. A building interior fire smoke flow simulator according to claim 1, wherein: the width of the second pipeline (2) is consistent with that of the third pipeline (3), and the width of the third pipeline (3) is consistent with that of the first baffle (20).

3. A building interior fire smoke flow simulator according to claim 1, wherein: the width of the first hole (5) is consistent with that of the rack (6), and the outer side surface of the rack (6) is tightly meshed with the outer side surface of the first gear (9).

4. A building interior fire smoke flow simulator according to claim 1, wherein: the first gear (9) is connected with the first transmission shaft (10) in a key connection mode, and the first transmission shaft (10) is connected with the first helical gear (11) in a key connection mode.

5. A building interior fire smoke flow simulator according to claim 1, wherein: the outer side surface of the first helical gear (11) is tightly meshed with the outer side surface of the second helical gear (12), and the inclination angles of the first helical gear (11) and the second helical gear (12) are both 45 degrees.

6. A building interior fire smoke flow simulator according to claim 1, wherein: the second spring (25) and the second baffle plate (26) are connected in a welding mode, and the appearance shape of the second baffle plate (26) is triangular.